| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:CommonStockValue | ▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃███▄▄▂▂▁▁▁▁▁▁ | 0.845 | 0.845 | 0.842 | 0.842 | 0.842 | 0.841 | 0.84 | 0.84 | 0.84 | 0.839 | 0.838 | 0.837 | 0.837 | 0.837 | 0.836 | 0.836 | 0.836 | 0.836 | 0.835 | 0.835 | 0.834 | 0.834 | 0.833 | 0.833 | 0.833 | 0.836 | 0.835 | 0.835 | 1.316 | 1.315 | 1.308262 | 0.938562 | 0.937491 | 0.778964 | 0.777287 | 0.656042 | 0.640808 | 0.639467 | 0.63617 | 0.63607 | 0.635767 | NA |
| us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding | █▁ | 84.509871 | 84.446989 | NA | NA | 84.157541 | 84.02309 | 84.478245 | 83.960841 | 83.938961 | 84.034097 | 83.762664 | 83.767655 | 83.672896 | 83.629669 | 83.705764 | 83.594163 | 83.652627 | 83.643608 | 83.571663 | 83.474348 | 83.375765 | 83.490979 | 83.438844 | 83.433379 | 83.803879 | 83.625352 | 83.7274 | 83.4559 | 131.537866 | 131.023592 | 28.368568 | 23.450974 | 91.066817 | 77.832499 | 74.966736 | 64.78054 | 63.86404 | 63.713893 | 71.696106 | 63.59729 | 63.567964 | 63.448048 |
| us-gaap:WeightedAverageNumberOfSharesOutstandingBasic | █▁ | 84.509871 | 84.336577 | NA | NA | 84.157541 | 84.02309 | 83.960045 | 83.960841 | 83.938961 | 83.843681 | 83.762664 | 83.706704 | 83.672896 | 83.629669 | 83.595677 | 83.594163 | 83.585736 | 83.565325 | 83.545807 | 83.474348 | 83.375765 | 83.348507 | 83.327664 | 83.325074 | 83.506078 | 83.532092 | 83.47868 | 83.4559 | 32.884467 | 32.755898 | 28.368568 | 23.450974 | 22.766704 | 19.458125 | 74.966736 | 64.78054 | 63.86404 | 63.713893 | 63.613728 | 63.59729 | 63.567964 | 63.448048 |
| us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted | NA | NA | NA | 84.194268 | NA | NA | NA | 83.960841 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 113.47427 | 93.803896 | 91.066817 | 77.832499 | 74.966736 | 64.78054 | 64.014187 | 63.713893 | NA | 63.567964 | 63.567964 | 63.448048 | |
| us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted dei:LegalEntity krg:KiteRealtyGroupLP | NA | NA | NA | 86.429259 | NA | NA | NA | 86.073433 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:EarningsPerShareBasic | ▄ | 0.0 | NA | NA | NA | -0.06 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 0.06 | 0.0 | 0.06 | 0.06 | 0.06 | -0.2 | -0.16 | 0.0 | -0.02 | -0.04 | -0.04 | 0.0 | -0.12 | -0.05 | -0.05 | -0.05 | 0.05 | -0.02 | -0.02 | -0.04 |
| us-gaap:EarningsPerShareBasic dei:LegalEntity krg:KiteRealtyGroupLP | ▄ | 0.0 | NA | NA | NA | -0.06 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:EarningsPerShareDiluted | ▄ | 0.0 | NA | NA | NA | -0.06 | NA | NA | NA | NA | NA | NA | NA | NA | NA | 0.03 | -0.01 | 0.12 | 0.0 | 0.04 | -0.02 | -0.02 | 0.02 | 0.06 | 0.0 | 0.06 | 0.06 | 0.06 | -0.2 | -0.16 | 0.08 | -0.01 | -0.01 | -0.1 | 0.0 | -0.09 | -0.05 | -0.04 | 0.0 | 0.05 | -0.01 | -0.02 | -0.03 |
| us-gaap:EarningsPerShareBasicAndDiluted | NA | 0.29 | -0.08 | -0.05 | -0.06 | 0.0 | 0.18 | -0.24 | -0.02 | 0.07 | -0.37 | 0.05 | -0.02 | -0.21 | 0.03 | -0.01 | 0.12 | 0.0 | NA | -0.02 | -0.02 | 0.02 | NA | 0.0 | 0.06 | 0.06 | 0.15000000000000002 | -0.2 | -0.04 | 0.02 | -0.009999999999999995 | -0.01 | -0.1 | 0.0 | -0.09 | -0.05 | -0.04 | 0.0 | 0.049999999999999996 | -0.01 | -0.02 | -0.03 | |
| us-gaap:EarningsPerShareBasicAndDiluted dei:LegalEntity krg:KiteRealtyGroupLP | NA | 0.29 | -0.08 | -0.05 | NA | 0.0 | 0.18 | -0.24 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cost Ratio dei:LegalEntity krg:KiteRealtyGroupLP | █▁ | 69.532 | 69.375 | NA | NA | 63.305 | 69.912 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| Net profit Margin dei:LegalEntity krg:KiteRealtyGroupLP | ▂▂▂▁▁▃▄▄▅▆▇▆█▇▇▇█▇ | 69.532 | 69.375 | 68.361 | 65.067 | 63.305 | 69.912 | 75.233 | 74.943 | 81.48 | 83.515 | 86.939 | 85.747 | 91.736 | 89.763 | 88.919 | 87.138 | 92.649 | 90.112 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| Operating Margin dei:LegalEntity krg:KiteRealtyGroupLP | ▂▂▂▁▁▃▄▄▅▆▇▆█▇▇▇█▇ | 69.532 | 69.375 | 68.361 | 65.067 | 63.305 | 69.912 | 75.233 | 74.943 | 81.48 | 83.515 | 86.939 | 85.747 | 91.736 | 89.763 | 88.919 | 87.138 | 92.649 | 90.112 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 |
|---|
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:ComprehensiveIncomeNetOfTax | ▅█▅▅▄▃▇▃▄▅▁▅▅▃▅▅▆▅▆▅▅▄▆▅▆▅▅▄▄▅▅▅▅▅▅▅▅▅▅▅▅▅ | -0.248 | 31.114 | -4.602 | -3.534 | -6.349 | -16.241 | 19.208 | -24.052 | -9.261 | 0.785 | -40.418 | 3.989 | -0.864 | -15.76 | 4.249 | -0.308 | 9.77 | 1.467 | 11.781 | 1.43 | -4.455 | -5.743 | 14.749 | -0.874 | 8.257 | 4.015 | 4.901 | -11.709 | -5.086 | 3.665 | 2.035919 | 0.223301 | -1.131375 | 2.633812 | -4.002012 | -2.305188 | -3.392831 | 1.631736 | 4.524253 | 0.625092 | 0.723401 | 0.484532 |
| us-gaap:ComprehensiveIncomeNetOfTax dei:LegalEntity krg:KiteRealtyGroupLP | ▅█▄▅▄▃▇▃▄▅▁▅▅▃▅▅▆▅▆▅▅▄▆▅▆▅▅▄▄▅ | -0.226 | 31.956 | -4.831 | -3.678 | -6.54 | -16.573 | 19.669 | -24.674 | -9.482 | 0.799 | -41.308 | 4.085 | -0.891 | -16.134 | 4.35 | -0.314 | 10.0 | 1.501 | 12.056 | 1.462 | -4.576 | -5.861 | 14.972 | -0.885 | 8.33 | 4.049 | 4.978 | -11.989 | -5.462 | 3.742 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest | ▃▅▃▃▃▂▄▂▃▃▁▄▄▃▄▄▄▄▅▄▄▄▄▄▄▄▅▄▂▃▃▃▂▃▁▂▁█▄▃▂▃ | 0.154 | 0.974 | -0.097 | -0.012 | -0.059 | -0.2 | 0.593 | -0.49 | -0.089 | 0.146 | -0.718 | 0.381 | 0.316 | -0.023 | 0.532 | 0.426 | 0.668 | 0.466 | 0.738 | 0.493 | 0.34 | 0.405 | 0.666 | 0.399 | 0.487 | 0.621 | 0.755 | 0.4 | -0.327 | 0.104 | 0.050908 | -0.08929 | -0.200571 | 0.078085 | -0.763979 | -0.373155 | -0.610384 | 2.10857 | 0.41739 | -0.079447 | -0.240702 | 0.078137 |
| us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest | ▅█▄▅▄▃▇▃▄▅▁▅▅▃▅▅▆▅▆▅▅▄▆▅▆▅▅▄▄▅▅▅▅▅▄▅▅▅▅▅▅▅ | -0.094 | 32.088 | -4.699 | -3.546 | -6.408 | -16.441 | 19.801 | -24.542 | -9.35 | 0.931 | -41.136 | 4.37 | -0.548 | -15.783 | 4.781 | 0.118 | 10.438 | 1.933 | 12.519 | 1.923 | -4.115 | -5.338 | 15.415 | -0.475 | 8.744 | 4.636 | 5.656 | -11.309 | -5.413 | 3.769 | 2.086827 | 0.134011 | -1.331946 | 2.711897 | -4.765991 | -2.678343 | -4.003215 | 3.740306 | 4.941643 | 0.545645 | 0.482699 | 0.562669 |
| us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest dei:LegalEntity krg:KiteRealtyGroupLP | ▅█▄▅▄▃▇▃▄▅▁▅▅▃▅▅▆▅▆▅▅▄▆▅▆▅▅▄▄▅ | -0.094 | 32.088 | -4.699 | -3.546 | -6.408 | -16.441 | 19.801 | -24.542 | -9.35 | 0.931 | -41.136 | 4.37 | -0.548 | -15.783 | 4.781 | 0.118 | 10.438 | 1.933 | 12.519 | 1.923 | -4.115 | -5.338 | 15.415 | -0.475 | 8.744 | 4.636 | 5.656 | -11.309 | -5.413 | 3.769 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:CostsAndExpenses | ▁█ | 57.494 | 57.579 | NA | NA | 55.56 | 58.129 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:DisposalGroupClassification us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations | ▁█ | 0.0 | 26.2 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations krg:RedevelopmentProperties | NA | NA | NA | 3.1 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:GeneralAndAdministrativeExpense | ▆▅█▅▅▅▆▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▄▃▃▂▂▂▂▁▂▁▁▁▁▁▁▁▁ | 8.159 | 7.276 | 10.854 | 6.482 | 6.578 | 6.926 | 7.691 | 6.709 | 7.037 | 6.777 | 4.956 | 4.865 | 5.553 | 5.945 | 5.36 | 5.431 | 5.488 | 5.47 | 5.375 | 5.081 | 4.856 | 5.291 | 4.578 | 4.559 | 4.566 | 5.006 | 3.685 | 3.939 | 2.313 | 3.106 | 2.14173 | 2.114828 | 1.81594 | 2.141613 | 1.862785 | 1.647116 | 1.843087 | 1.82372 | 1.619726 | 1.402299 | 1.413918 | 1.847878 |
| us-gaap:IncomeTaxExpenseBenefit | ▂▂▁▁▁▂▂▃▃▂▂▃▃▃▃▃▃▃▄▃▇█▄▃▄▄▃▃▄▃▅▄▅▃▂▃▃▄▂▅▃▃ | -0.1 | -0.118 | -0.2 | -0.19 | -0.202 | -0.104 | -0.093 | -0.041 | -0.066 | -0.082 | -0.149 | -0.027 | -0.028 | -0.023 | -0.036 | -0.033 | 0.003 | -0.033 | 0.051 | 0.015 | 0.338 | 0.41 | 0.052 | 0.009 | 0.069 | 0.055 | -0.013 | 0.014 | 0.076 | -0.053 | 0.155927 | 0.030596 | 0.104833 | -0.028952 | -0.099989 | -0.013385 | -0.030174 | 0.037564 | -0.074022 | 0.119561 | -0.03076 | -0.016073 |
| us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity krg:KiteRealtyGroupLP | ▂▂▁▁▁▂▂▃▃▂▂▃▃▃▃▃▃▃▄▃▇█▄▃▄▄▃▃▄▃ | -0.1 | -0.118 | -0.2 | -0.19 | -0.202 | -0.104 | -0.093 | -0.041 | -0.066 | -0.082 | -0.149 | -0.027 | -0.028 | -0.023 | -0.036 | -0.033 | 0.003 | -0.033 | 0.051 | 0.015 | 0.338 | 0.41 | 0.052 | 0.009 | 0.069 | 0.055 | -0.013 | 0.014 | 0.076 | -0.053 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:InterestExpense | ▅▅▅▅▅▅▅▆▇▇█▇▇▇▇▇▇▇██▇▇▇▆▅▆▇▇▂▂▂▂▂▂▁▁▁▂▂▂▁▁ | 12.266 | 12.242 | 12.284 | 12.55 | 13.271 | 12.293 | 12.384 | 14.302 | 16.124 | 16.459 | 17.644 | 16.058 | 16.746 | 16.337 | 16.452 | 16.372 | 16.433 | 16.445 | 17.613 | 17.139 | 15.5 | 15.325 | 15.437 | 13.881 | 13.181 | 13.933 | 15.222 | 15.386 | 7.522 | 7.383 | 7.004658 | 7.600413 | 7.752529 | 7.131775 | 6.495927 | 6.481825 | 6.398553 | 6.604828 | 6.981496 | 6.56787 | 5.840521 | 5.641162 |
| us-gaap:InterestExpenseDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType krg:FixedRateDebt,krg:ExchangeableSeniorNotes | █▁ | 0.5 | 0.1 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:NetIncomeLoss | ▁█ | -0.242 | 24.577 | NA | -4.587 | -4.769 | -0.074 | NA | -19.735 | -1.796 | 5.715 | -31.221 | 3.938 | -1.366 | -17.917 | 2.309 | -0.621 | 10.181 | 0.005 | 3.359 | -1.682 | -1.895 | 1.402 | 10.685 | 2.526 | 6.727 | 7.179 | 7.227 | -14.284 | -2.976 | 4.332 | 0.454906 | 1.25625 | -6.592804 | 2.031914 | -4.352852 | -0.924097 | -0.603637 | 1.546739 | 4.501312 | 0.800166 | 0.386613 | -0.706817 |
| us-gaap:NetIncomeLoss dei:LegalEntity krg:KiteRealtyGroupLP | ▄ | -0.227 | NA | NA | NA | -4.918 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 6.888 | 2.527 | 6.726 | 7.179 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings | ▁█ | -0.242 | 24.577 | NA | -4.587 | -4.769 | -0.074 | NA | -19.735 | -1.796 | 5.715 | -31.221 | 3.938 | -1.366 | -17.917 | 2.309 | -0.621 | 10.181 | 0.005 | 3.359 | -1.682 | -1.896 | 1.402 | 10.685 | 2.527 | 6.726 | 7.179 | 7.227 | -14.284 | -2.976 | 4.332 | 0.454906 | 1.256249 | -6.592804 | 2.031914 | -4.352852 | -0.924096 | -0.603638 | 1.546739 | 4.501312 | 0.800166 | NA | NA |
| us-gaap:NetIncomeLossAttributableToNoncontrollingInterest | ▃▅▃▃▃▄▄▂▃▄▂▄▄▃▄▄▅▄▄▄▄▄▄▄▄▅▅▄▃▃▃▃▂▃▁▂▂█▄▃▂▃ | 0.147 | 0.778 | -0.048 | -0.04 | -0.017 | 0.204 | 0.542 | -0.382 | 0.099 | 0.273 | -0.488 | 0.379 | 0.304 | -0.08 | 0.486 | 0.418 | 0.678 | 0.432 | 0.542 | 0.42 | 0.399 | 0.573 | 0.572 | 0.435 | 0.508 | 0.683 | 0.801 | 0.304 | -0.22 | 0.139 | -0.034193 | -0.015174 | -0.661009 | 0.024854 | -0.884528 | -0.312208 | -0.271221 | 2.09702 | 0.414434 | -0.057931 | -0.282545 | -0.070494 |
| us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic | NA | 24.577 | -6.794 | -4.587 | -4.769 | -0.074 | 15.314 | -19.735 | -1.796 | 5.715 | -31.221 | 3.938 | -1.366 | -17.917 | 2.309 | -0.622 | 10.18 | 0.005 | 3.359 | -1.682 | -1.895 | 1.402 | 10.685 | 0.412 | 4.613 | 5.065 | 7.227 | -16.398 | -5.09 | 2.218 | -1.876323 | -0.857813 | -8.706867 | -0.082149 | -8.684021 | -3.03816 | -2.7177 | -0.031074 | 2.939703 | -0.643584 | -1.057137 | -2.150567 | |
| us-gaap:NonoperatingIncomeExpense | ▇▃▅▄█▄▃▄▃▃▅▁▄▃▄▄▄▃▄▅▄▅▆▄▃ | 0.227 | -0.206 | 0.02 | -0.016 | 0.351 | -0.104 | -0.129 | -0.116 | -0.142 | -0.184 | -0.003 | -0.379 | -0.115 | -0.151 | -0.101 | -0.094 | -0.08 | -0.139 | -0.075 | 0.0 | -0.11 | 0.018 | 0.094 | -0.06 | -0.134 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:OperatingExpenses | NA | NA | NA | 60.127 | 55.56 | 58.129 | 59.094 | 67.913 | 88.254 | 67.126 | 95.967 | 65.02 | 83.794 | 91.795 | 69.607 | 70.909 | 71.565 | 81.994 | 71.294 | 73.23 | 73.317 | 70.858 | 68.991 | 70.236 | 67.636 | 68.345 | 66.328 | 89.892 | 36.524 | 37.454 | 28.367299 | 26.834616 | 30.342133 | 22.960458 | 19.476453 | 20.552118 | 19.821802 | 21.389659 | 18.886031 | 18.312308 | 19.602629 | 18.970354 | |
| us-gaap:OperatingExpenses dei:LegalEntity krg:KiteRealtyGroupLP | NA | NA | NA | 60.127 | 55.56 | 58.129 | 59.094 | 67.913 | 88.254 | 67.126 | 95.967 | 65.02 | 83.794 | 91.795 | 69.607 | 70.909 | 71.565 | 81.994 | 71.294 | 73.23 | 73.317 | 70.858 | 68.991 | 70.236 | 67.636 | 68.345 | 66.328 | 89.892 | 36.524 | 37.454 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:OperatingIncomeLoss | ▄█▄▄▄▅▇▃▅▆▁▆▄▃▅▅▆▄▅▅▅▅▆▅▅▅▆▃▃▄▄▄▃▄▄▄▄▄▄▄▄▄ | 12.088 | 38.003 | 5.651 | 8.166 | 8.368 | 12.826 | 30.186 | 1.316 | 17.318 | 22.976 | -13.757 | 20.727 | 7.942 | -2.032 | 19.312 | 16.229 | 21.084 | 8.118 | 17.58 | 15.892 | 14.258 | 17.692 | 20.307 | 16.911 | 16.099 | 18.483 | 21.12 | -1.316 | 4.319 | 5.206 | 7.550938 | 5.837007 | 0.642583 | 9.112657 | 6.928805 | 4.878584 | 5.308988 | 5.008335 | 6.873215 | 7.148975 | 5.728027 | 4.820371 |
| us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax | ▆█▇▆▅▁▇▅▄▄ | 0.001 | 6.733 | 2.143 | 1.081 | -1.622 | -16.571 | 3.977 | -4.425 | -7.653 | -5.057 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:ProfitLoss | ▅█▄▄▄▅▇▂▅▆▁▅▅▃▅▅▆▅▅▅▅▅▆▅▆▆▆▃▄▅▅▅▄▅▄▅▅▅▅▅▅▅ | -0.095 | 25.355 | -6.842 | -4.627 | -4.786 | 0.13 | 15.855 | -20.117 | -1.697 | 5.988 | -31.709 | 4.317 | -1.062 | -17.997 | 2.795 | -0.204 | 10.858 | 0.437 | 3.9 | -1.262 | -1.496 | 1.975 | 11.256 | 2.961 | 7.235 | 7.862 | 8.029 | -13.98 | -3.196 | 4.471 | 0.420712 | 1.241076 | -7.253813 | 2.056768 | -5.23738 | -1.236305 | -0.874858 | 3.643759 | 4.915746 | 0.742235 | 0.104068 | -0.777311 |
| us-gaap:ProfitLoss dei:LegalEntity krg:KiteRealtyGroupLP | ▅█▄▄▄▅▇▂▅▆▁▅▅▃▅▅▆▅▅▅▅▅▆▅▆▆▆▃▄▅ | -0.095 | 25.355 | -6.842 | -4.627 | -4.786 | 0.13 | 15.824 | -20.117 | -1.697 | 5.988 | -31.709 | 4.317 | -1.062 | -17.997 | 2.795 | -0.204 | 10.858 | 0.437 | 3.901 | -1.262 | -1.496 | 1.975 | 11.257 | 2.961 | 7.235 | 7.862 | 8.028 | -13.98 | -3.196 | 4.471 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:Revenues | ▆▆▆▅▅▆▆▆▇▇▇▇███▇████▇██▇▇▇▇█▃▃▂▂▂▂▁▁▁▁▁▁▁▁ | 69.532 | 69.375 | 68.361 | 65.067 | 63.305 | 69.912 | 75.265 | 74.943 | 81.48 | 83.515 | 86.937 | 85.747 | 91.736 | 89.763 | 88.919 | 87.138 | 92.649 | 90.112 | 88.874 | 89.122 | 87.575 | 88.55 | 89.295 | 87.147 | 83.735 | 86.828 | 87.448 | 88.576 | 40.843 | 42.66 | 35.97848 | 32.552873 | 29.921115 | 31.035859 | 26.722072 | 25.277222 | 24.221172 | 24.833404 | 24.559463 | 23.434853 | 23.451157 | 22.562491 |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 |
|---|
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:Assets | ▅▅▅▅▅▅▅▅▅▆▆▆▆▇▇▇▇▇▇▇▇▇▇█▇▇██▂▂▂▂▂▁▁▁▁▁▁▁▁ | 2719.205 | 2755.323 | 2608.539 | 2658.116 | 2811.786 | 2937.405 | 2648.887 | 2713.88 | 2936.318 | 3203.177 | 3172.013 | 3285.884 | 3302.197 | 3418.857 | 3512.498 | 3543.392 | 3550.275 | 3623.465 | 3656.371 | 3690.918 | 3717.184 | 3729.75 | 3766.038 | 3837.647 | 3795.875 | 3758.324 | 3874.216 | 4008.084 | 1747.479 | 1759.89 | 1763.92703 | 1404.286678 | 1413.086709 | 1328.571435 | 1288.656905 | 1221.088408 | 1178.103762 | 1177.712358 | 1193.266118 | 1187.628582 | 1164.642447 | NA |
| us-gaap:Liabilities | ▅▅▅▅▆▆▄▅▆▇▇▇▇▇██▇███████▇▇▇█▃▃▂▂▂▂▁▁▁▁▁▁▁ | 1447.665 | 1470.749 | 1333.912 | 1370.911 | 1518.244 | 1639.132 | 1306.577 | 1365.632 | 1537.651 | 1769.357 | 1712.867 | 1759.588 | 1753.947 | 1844.338 | 1874.285 | 1884.316 | 1866.848 | 1926.036 | 1923.94 | 1946.334 | 1955.298 | 1940.043 | 1946.974 | 1907.545 | 1840.697 | 1786.589 | 1846.986 | 1962.82 | 969.975 | 966.107 | 962.894663 | 812.839594 | 814.298166 | 817.861421 | 774.365441 | 753.979782 | 704.305625 | 694.143832 | 737.807485 | 731.453593 | 703.447582 | NA |
| us-gaap:LiabilitiesAndStockholdersEquity | ▅▅▅▅▅▅▅▅▅▆▆▆▆▇▇▇▇▇▇▇▇▇▇█▇▇██▂▂▂▂▂▁▁▁▁▁▁▁▁ | 2719.205 | 2755.323 | 2608.539 | 2658.116 | 2811.786 | 2937.405 | 2648.887 | 2713.88 | 2936.318 | 3203.177 | 3172.013 | 3285.884 | 3302.197 | 3418.857 | 3512.498 | 3543.392 | 3550.275 | 3623.465 | 3656.371 | 3690.918 | 3717.184 | 3729.75 | 3766.038 | 3837.647 | 3795.875 | 3758.324 | 3874.216 | 4008.084 | 1747.479 | 1759.89 | 1763.92703 | 1404.286678 | 1413.086709 | 1328.571435 | 1288.656905 | 1221.088408 | 1178.103762 | 1177.712358 | 1193.266118 | 1187.628582 | 1164.642447 | NA |
| us-gaap:StockholdersEquity | ▅▅▅▅▅▅▅▅▅▅▆▆▆▆▆▆▇▇▇▇▇▇▇█████▂▃▃▂▂▁▁▁▁▁▁▁▁ | 1213.475 | 1231.871 | 1230.654 | 1242.067 | 1248.215 | 1252.831 | 1289.038 | 1302.167 | 1352.663 | 1386.824 | 1412.705 | 1478.172 | 1499.432 | 1524.987 | 1565.411 | 1584.924 | 1609.678 | 1619.481 | 1643.574 | 1644.408 | 1661.009 | 1689.988 | 1725.976 | 1842.137 | 1866.054 | 1877.225 | 1898.784 | 1932.346 | 733.359 | 750.377 | 753.557171 | 547.789929 | 554.433574 | 461.179892 | 473.086357 | 427.941892 | 429.165886 | 437.718543 | 409.371535 | 409.9948 | 413.771684 | NA |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:CashAndCashEquivalentsAtCarryingValue | ▃▆▂▄▆█▁▂▂▁▂▁▂▁▁▂▁▁▁▁▂▁▂▂▂▃▂▁▁▂▁▁▁▁▁▁▁▁▁▁▁▁ | 89.894 | 228.842 | 43.648 | 129.282 | 229.975 | 343.893 | 31.336 | 40.442 | 35.842 | 28.357 | 35.376 | 30.709 | 32.384 | 28.753 | 24.082 | 32.465 | 27.635 | 22.641 | 19.874 | 28.793 | 37.902 | 23.307 | 33.88 | 42.951 | 70.12 | 126.744 | 43.826 | 31.213 | 22.628 | 31.876 | 18.13432 | 12.130048 | 13.098358 | 14.648955 | 12.482701 | 9.933628 | 8.296769 | 15.567494 | 10.04245 | 9.241422 | 7.592584 | 8.136797 |
| us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents | ▂▅▁▃▆█▁▁▂▁▁▁▁▁▁▁▁ | 94.08 | 232.53 | 46.586 | 137.317 | 251.81 | 365.632 | 52.813 | 49.99 | 59.534 | 51.95 | 45.506 | 41.016 | 43.332 | 38.548 | 32.176 | 41.343 | 36.352 | NA | 28.912 | NA | NA | NA | 47.357 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:ShortTermInvestments | ▄ | 125.0 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:FiniteLivedIntangibleAssetsNet | NA | NA | 29.621 | NA | NA | NA | 35.705 | NA | NA | NA | 47.563 | NA | NA | NA | 66.3 | NA | NA | NA | 86.33 | NA | NA | NA | 110.324 | NA | NA | NA | 119.642 | NA | NA | NA | 18.840326 | NA | NA | NA | 3.651418 | NA | NA | -8.183021 | -8.637607 | NA | NA | NA | |
| us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass krg:DeferredLeasingCosts | NA | NA | 25.099 | NA | NA | NA | 31.484 | NA | NA | NA | 41.405 | NA | NA | NA | 57.575 | NA | NA | NA | 73.152 | NA | NA | NA | 89.994 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:AboveMarketLeases | NA | NA | 4.522 | NA | NA | NA | 4.221 | NA | NA | NA | 6.158 | NA | NA | NA | 8.725 | NA | NA | NA | 13.178 | NA | NA | NA | 20.33 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:LeasesAcquiredInPlace | NA | NA | 45.479 | NA | NA | NA | 50.072 | NA | NA | NA | 69.501 | NA | NA | NA | 83.117 | NA | NA | NA | 95.36 | NA | NA | NA | 112.405 | NA | NA | NA | 113.411 | NA | NA | NA | 36.172867 | NA | NA | NA | 10.766097 | NA | NA | NA | NA | NA | NA | NA |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 |
|---|
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:LongTermDebt | ▅▅▄▅▅▆▄▅▆▇▇▇▇▇██████████▇▇▇▇▂▂▂▂▂▂▁▁▁▁▁▁▁ | 1289.369 | 1315.248 | 1170.794 | 1196.117 | 1346.255 | 1446.488 | 1146.58 | 1198.584 | 1376.612 | 1602.603 | 1543.301 | 1578.328 | 1565.429 | 1650.547 | 1699.239 | 1681.676 | 1675.064 | 1726.873 | 1731.074 | 1732.344 | 1740.487 | 1730.787 | 1734.059 | 1679.843 | 1618.614 | 1569.42 | 1554.263 | 1556.496 | 874.517 | 871.334 | 857.144074 | 743.984742 | 747.489021 | 746.917668 | 699.908768 | 680.364034 | 652.665427 | 646.405137 | 689.122933 | 675.762674 | 654.342842 | NA |
| us-gaap:MinorityInterest | ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▆▆▆▆▆▆▆▆▆▆███▇▇▇ | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.693 | 0.692 | 0.698 | 0.698 | 0.698 | 0.773 | 1.008 | 1.011 | 3.363 | 3.364 | 3.364 | 3.363 | 3.555 | 3.547656 | 3.543133 | 3.541654 | 3.538358 | 3.535304 | 4.783636 | 4.806443 | 4.783298 | 4.250485 | 4.23874 | 4.279063 | NA |
| us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo | NA | NA | 1.815 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree | NA | NA | 1.636 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour | NA | NA | 1.6 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive | NA | NA | 1.582 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive | NA | NA | 68.971 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:StockholdersEquity | ▅▅▅▅▅▅▅▅▅▅▆▆▆▆▆▆▇▇▇▇▇▇▇█████▂▃▃▂▂▁▁▁▁▁▁▁▁ | 1213.475 | 1231.871 | 1230.654 | 1242.067 | 1248.215 | 1252.831 | 1289.038 | 1302.167 | 1352.663 | 1386.824 | 1412.705 | 1478.172 | 1499.432 | 1524.987 | 1565.411 | 1584.924 | 1609.678 | 1619.481 | 1643.574 | 1644.408 | 1661.009 | 1689.988 | 1725.976 | 1842.137 | 1866.054 | 1877.225 | 1898.784 | 1932.346 | 733.359 | 750.377 | 753.557171 | 547.789929 | 554.433574 | 461.179892 | 473.086357 | 427.941892 | 429.165886 | 437.718543 | 409.371535 | 409.9948 | 413.771684 | NA |
| us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | ▅▅▅▅▅▅▅▅▅▅▆▆▆▆▆▆▇▇▇▇▇▇▇█████▂▃▃▂▂▁▁▁▁▁▁▁▁ | 1214.173 | 1232.569 | 1231.352 | 1242.765 | 1248.913 | 1253.529 | 1289.736 | 1302.865 | 1353.361 | 1387.522 | 1413.403 | 1478.87 | 1500.13 | 1525.685 | 1566.109 | 1585.622 | 1610.376 | 1620.174 | 1644.266 | 1645.106 | 1661.707 | 1690.686 | 1726.749 | 1843.145 | 1867.065 | 1880.588 | 1902.148 | 1935.71 | 736.722 | 753.932 | 757.104827 | 551.333062 | 557.975228 | 464.71825 | 476.621661 | 432.725528 | 433.972329 | 442.501841 | 413.62202 | 414.23354 | 418.050747 | NA |
| us-gaap:CommonStockValue | ▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃███▄▄▂▂▁▁▁▁▁▁ | 0.845 | 0.845 | 0.842 | 0.842 | 0.842 | 0.841 | 0.84 | 0.84 | 0.84 | 0.839 | 0.838 | 0.837 | 0.837 | 0.837 | 0.836 | 0.836 | 0.836 | 0.836 | 0.835 | 0.835 | 0.834 | 0.834 | 0.833 | 0.833 | 0.833 | 0.836 | 0.835 | 0.835 | 1.316 | 1.315 | 1.308262 | 0.938562 | 0.937491 | 0.778964 | 0.777287 | 0.656042 | 0.640808 | 0.639467 | 0.63617 | 0.63607 | 0.635767 | NA |
| us-gaap:AdditionalPaidInCapital | ████████████████████████████▃▃▃▂▂▁▁▁▁▁▁▁▁ | 2064.31 | 2068.095 | 2085.003 | 2084.978 | 2083.212 | 2081.48 | 2074.436 | 2080.094 | 2079.868 | 2078.104 | 2078.099 | 2076.552 | 2075.191 | 2073.316 | 2071.418 | 2068.636 | 2067.795 | 2062.081 | 2062.36 | 2049.702 | 2043.715 | 2044.266 | 2050.545 | 2050.915 | 2049.137 | 2043.74 | 2044.425 | 2059.063 | 824.073 | 825.337 | 821.526172 | 608.200732 | 607.323319 | 505.357781 | 513.111877 | 457.308978 | 450.191474 | 449.392925 | 449.763528 | 449.65025 | 448.792206 | NA |
| us-gaap:RetainedEarningsAccumulatedDeficit | ▁▁▁▁▁▁▂▂▂▂▃▃▃▄▄▄▅▅▅▅▅▆▆▆▆▆▇▇▇▇▇▇▇████████ | -827.326 | -812.721 | -824.306 | -810.776 | -801.809 | -797.04 | -769.955 | -758.558 | -712.153 | -683.692 | -662.735 | -604.917 | -582.245 | -554.313 | -509.833 | -485.598 | -459.689 | -444.582 | -419.305 | -397.391 | -371.69 | -345.822 | -323.257 | -305.902 | -283.607 | -265.512 | -247.801 | -231.203 | -193.105 | -179.461 | -173.130113 | -163.621202 | -157.13202 | -142.800208 | -138.044264 | -126.913745 | -119.938104 | -113.374751 | -109.504068 | -108.744484 | -104.284327 | NA |
| us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax | ▃▃▂▁▁▁▄▃▄▆▆████▇▇▇▇▅▅▅▇▆▇▆▇▇▇▇▇▇▇▆▆▆▆▇▇▇▇ | -24.354 | -24.348 | -30.885 | -32.977 | -34.03 | -32.45 | -16.283 | -20.209 | -15.892 | -8.427 | -3.497 | 5.7 | 5.649 | 5.147 | 2.99 | 1.05 | 0.736 | 1.146 | -0.316 | -8.738 | -11.85 | -9.29 | -2.145 | -6.209 | -2.809 | -4.339 | -1.175 | 1.151 | -1.425 | 0.686 | 1.35285 | -0.228163 | 0.804784 | -4.656645 | -5.258543 | -5.609383 | -4.228292 | -1.439098 | -1.524095 | -1.547036 | -1.371962 | NA |
| us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax dei:LegalEntity krg:KiteRealtyGroupLP | ▃▃▂▁▁▁▄▃▄▆▆████▇▇▇▇▅▅▅▇▆▇▆▇ | -24.354 | -24.348 | -30.885 | -32.977 | -34.03 | -32.45 | -16.283 | -20.209 | -15.892 | -8.427 | -3.497 | 5.7 | 5.649 | 5.147 | 2.99 | 1.05 | 0.736 | 1.146 | -0.316 | -8.738 | -11.85 | -9.29 | -2.145 | -6.209 | -2.809 | -4.339 | -1.175 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:MinorityInterest | ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▆▆▆▆▆▆▆▆▆▆███▇▇▇ | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.698 | 0.693 | 0.692 | 0.698 | 0.698 | 0.698 | 0.773 | 1.008 | 1.011 | 3.363 | 3.364 | 3.364 | 3.363 | 3.555 | 3.547656 | 3.543133 | 3.541654 | 3.538358 | 3.535304 | 4.783636 | 4.806443 | 4.783298 | 4.250485 | 4.23874 | 4.279063 | NA |
| us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders krg:NoncontrollingInterests krg:RedeemableNoncontrollingInterests | ▅▅▄▄▄▅▅▄▇▅▅▅▅▅▆▆▆▆▆▅▅▅▅▅▅▅▆▆▄▄▄▄▄▄▄█▁▄▄█ | 0.554 | 0.511 | 0.311 | 0.248 | 0.132 | 0.842 | 0.803 | 0.0 | 1.593 | 0.795 | 0.845 | 0.935 | 1.0 | 1.008 | 1.056 | 1.033 | 1.033 | 1.033 | 1.02 | 0.99 | 0.991 | 0.992 | 0.963 | 0.898 | 0.906 | 1.006 | 1.075 | 1.083 | 0.431 | 0.432 | 0.398747 | 0.403427 | 0.403787 | 0.381463 | 0.404296 | 2.282267 | -1.40901 | 0.47013 | 0.470549 | 2.354908 | NA | NA |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:NetCashProvidedByUsedInOperatingActivities | ▆▆▃▆▅▅▆▆▆▆▆▆▇▆▆▇▇▆▆▇█▆▆█▇▇▆▁▄▃▄▄▄▄▃▃▃▃▄▃▃▃ | 36.094 | 31.305 | 9.752 | 35.925 | 27.965 | 21.873 | 31.795 | 36.509 | 37.348 | 32.31 | 35.35 | 36.996 | 45.778 | 36.259 | 31.561 | 40.998 | 45.512 | 35.587 | 34.227 | 39.761 | 48.559 | 32.386 | 31.515 | 51.926 | 40.813 | 45.083 | 31.611 | -12.246 | 16.355 | 6.459 | 15.077325 | 11.969725 | 12.395558 | 12.654226 | 2.562017 | 9.546991 | 5.817075 | 5.34627 | 11.325331 | 5.895029 | 8.98053 | 6.026065 |
| us-gaap:NetCashProvidedByUsedInInvestingActivities | ▃▆▄▅▅▅▆▇█▅▆▅▆▆▅▅▆▅▅▅▅▅▆▄▄▆▆▆▅▅▁▅▄▅▄▅▅▅▅▅▅▅ | -133.348 | 33.882 | -64.907 | 4.685 | -13.524 | -7.094 | 52.821 | 166.865 | 226.608 | -29.7 | 44.738 | -14.54 | 71.761 | 46.374 | -23.176 | -16.481 | 38.139 | 1.392 | -15.565 | -22.248 | -20.259 | -24.585 | 28.775 | -95.974 | -121.629 | 104.431 | 97.766 | 102.648 | -17.7 | 4.212 | -331.460183 | -29.315058 | -104.476772 | -49.646977 | -55.459683 | -22.875079 | -11.684962 | 18.395111 | -17.860453 | -20.347629 | -27.023001 | -21.307924 |
| us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity krg:KiteRealtyGroupLP | ▁▄▂▄▃▃▅▇█▃▄▃▅▄▃▃▄▄▃▃▃▃▄▂▁▆▅▆▃▄ | -133.348 | 33.882 | -64.907 | 4.685 | -13.524 | -7.094 | 52.821 | 166.865 | 226.608 | -29.7 | 44.738 | -14.54 | 71.761 | 46.374 | -23.176 | -16.481 | 38.139 | 1.392 | -15.565 | -22.248 | -20.259 | -24.585 | 28.775 | -95.974 | -121.629 | 104.431 | 97.766 | 102.648 | -17.7 | 4.212 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:NetCashProvidedByUsedInFinancingActivities | ▄▆▄▂▃█▃▂▁▄▃▄▃▃▄▄▃▄▄▄▄▄▃▄▄▃▃▃▄▄█▄▅▅▅▄▄▄▄▄▄▄ | -41.196 | 120.757 | -35.576 | -155.103 | -128.263 | 298.04 | -81.793 | -212.918 | -256.372 | 3.834 | -75.598 | -24.772 | -112.755 | -76.261 | -16.768 | -19.687 | -78.657 | -34.212 | -27.581 | -26.622 | -13.705 | -18.374 | -69.361 | 16.879 | 24.192 | -66.596 | -116.764 | -81.817 | -7.903 | 3.071 | 322.38713 | 16.377023 | 90.530617 | 39.159005 | 55.446739 | 14.964947 | -1.402838 | -18.216337 | 7.33615 | 16.101438 | 17.498258 | 8.024128 |
| us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity krg:KiteRealtyGroupLP | ▄▆▄▂▃█▃▂▁▄▃▄▃▃▄▄▃▄▄▄▄▄▃▄▅▃▃▃▄▄ | -41.196 | 120.757 | -35.576 | -155.103 | -128.263 | 298.04 | -81.793 | -212.918 | -256.372 | 3.834 | -75.598 | -24.772 | -112.755 | -76.261 | -16.768 | -19.687 | -78.657 | -34.212 | -27.581 | -26.622 | -13.705 | -18.374 | -69.361 | 16.879 | 24.192 | -66.596 | -117.142 | -81.817 | -7.903 | 3.071 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect | ▁▆▂▁▁█▃▃▃▃▃▃▃▃▃▃ | -138.45 | 185.944 | -90.731 | -114.493 | -113.822 | 312.819 | 2.823 | -9.544 | 7.584 | 6.444 | 4.49 | -2.316 | 4.784 | 6.372 | -9.167 | 4.991 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect dei:LegalEntity krg:KiteRealtyGroupLP | ▁▆▂▁▁█▃▃▃▃▃▃▃▃▃▃ | -138.45 | 185.944 | -90.731 | -114.493 | -113.822 | 312.819 | 2.823 | -9.544 | 7.584 | 6.444 | 4.49 | -2.316 | 4.784 | 6.372 | -9.167 | 4.991 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:AmortizationOfFinancingCosts | ▂▂▁▁▂▂▂▂▃▂█▂▃▂▁▂▂▂▃▅▃▃▃▃▃▃▄▃▁▁▁ | 0.652 | 0.578 | 0.495 | 0.468 | 0.59 | 0.582 | 0.634 | 0.614 | 0.845 | 0.669 | 1.724 | 0.662 | 0.898 | 0.66 | 0.52 | 0.664 | 0.668 | 0.682 | 0.777 | 1.2 | 0.796 | 0.835 | 0.825 | 0.746 | 0.738 | 0.9 | 0.952 | 0.853 | 0.538 | 0.521 | 0.511 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:DepreciationDepletionAndAmortization | ▅▅▅▆▅▅▅▅▆▆▆▆▇▇▇▇▇█▇██▇▇▇▇▇▇█▃▃▂▂▂▂▁▁▁▁▁▁▁▁ | 29.798 | 30.634 | 31.818 | 33.953 | 31.409 | 31.468 | 30.765 | 31.985 | 34.713 | 34.635 | 36.299 | 36.858 | 40.451 | 38.556 | 40.758 | 42.793 | 42.71 | 45.83 | 42.939 | 45.543 | 43.841 | 42.24 | 43.116 | 42.549 | 41.212 | 40.435 | 39.439 | 44.383 | 19.737 | 17.44 | 13.852844 | 15.39362 | 14.175797 | 11.753557 | 9.651591 | 11.24427 | 10.486899 | 9.728392 | 9.20167 | 8.797064 | 9.893224 | 9.000842 |
| us-gaap:NetCashProvidedByUsedInOperatingActivities | ▆▆▃▆▅▅▆▆▆▆▆▆▇▆▆▇▇▆▆▇█▆▆█▇▇▆▁▄▃▄▄▄▄▃▃▃▃▄▃▃▃ | 36.094 | 31.305 | 9.752 | 35.925 | 27.965 | 21.873 | 31.795 | 36.509 | 37.348 | 32.31 | 35.35 | 36.996 | 45.778 | 36.259 | 31.561 | 40.998 | 45.512 | 35.587 | 34.227 | 39.761 | 48.559 | 32.386 | 31.515 | 51.926 | 40.813 | 45.083 | 31.611 | -12.246 | 16.355 | 6.459 | 15.077325 | 11.969725 | 12.395558 | 12.654226 | 2.562017 | 9.546991 | 5.817075 | 5.34627 | 11.325331 | 5.895029 | 8.98053 | 6.026065 |
| us-gaap:NetIncomeLoss | ▁█ | -0.242 | 24.577 | NA | -4.587 | -4.769 | -0.074 | NA | -19.735 | -1.796 | 5.715 | -31.221 | 3.938 | -1.366 | -17.917 | 2.309 | -0.621 | 10.181 | 0.005 | 3.359 | -1.682 | -1.895 | 1.402 | 10.685 | 2.526 | 6.727 | 7.179 | 7.227 | -14.284 | -2.976 | 4.332 | 0.454906 | 1.25625 | -6.592804 | 2.031914 | -4.352852 | -0.924097 | -0.603637 | 1.546739 | 4.501312 | 0.800166 | 0.386613 | -0.706817 |
| us-gaap:NetIncomeLoss dei:LegalEntity krg:KiteRealtyGroupLP | ▄ | -0.227 | NA | NA | NA | -4.918 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 6.888 | 2.527 | 6.726 | 7.179 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings | ▁█ | -0.242 | 24.577 | NA | -4.587 | -4.769 | -0.074 | NA | -19.735 | -1.796 | 5.715 | -31.221 | 3.938 | -1.366 | -17.917 | 2.309 | -0.621 | 10.181 | 0.005 | 3.359 | -1.682 | -1.896 | 1.402 | 10.685 | 2.527 | 6.726 | 7.179 | 7.227 | -14.284 | -2.976 | 4.332 | 0.454906 | 1.256249 | -6.592804 | 2.031914 | -4.352852 | -0.924096 | -0.603638 | 1.546739 | 4.501312 | 0.800166 | NA | NA |
| us-gaap:ProfitLoss | ▅█▄▄▄▅▇▂▅▆▁▅▅▃▅▅▆▅▅▅▅▅▆▅▆▆▆▃▄▅▅▅▄▅▄▅▅▅▅▅▅▅ | -0.095 | 25.355 | -6.842 | -4.627 | -4.786 | 0.13 | 15.855 | -20.117 | -1.697 | 5.988 | -31.709 | 4.317 | -1.062 | -17.997 | 2.795 | -0.204 | 10.858 | 0.437 | 3.9 | -1.262 | -1.496 | 1.975 | 11.256 | 2.961 | 7.235 | 7.862 | 8.029 | -13.98 | -3.196 | 4.471 | 0.420712 | 1.241076 | -7.253813 | 2.056768 | -5.23738 | -1.236305 | -0.874858 | 3.643759 | 4.915746 | 0.742235 | 0.104068 | -0.777311 |
| us-gaap:ProfitLoss dei:LegalEntity krg:KiteRealtyGroupLP | ▅█▄▄▄▅▇▂▅▆▁▅▅▃▅▅▆▅▅▅▅▅▆▅▆▆▆▃▄▅ | -0.095 | 25.355 | -6.842 | -4.627 | -4.786 | 0.13 | 15.824 | -20.117 | -1.697 | 5.988 | -31.709 | 4.317 | -1.062 | -17.997 | 2.795 | -0.204 | 10.858 | 0.437 | 3.901 | -1.262 | -1.496 | 1.975 | 11.257 | 2.961 | 7.235 | 7.862 | 8.028 | -13.98 | -3.196 | 4.471 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:ShareBasedCompensation | █▇█▇▇▅▆▆▆▆▄▅▆▇▅▇▇▇▆▆▆▆▆▅▅▅▅▅▂▁▃▃▂▁▁▁▁▁▁▁▁▁ | 1.885 | 1.702 | 1.823 | 1.589 | 1.562 | 1.024 | 1.359 | 1.311 | 1.422 | 1.283 | 0.854 | 0.994 | 1.382 | 1.639 | 1.118 | 1.747 | 1.57 | 1.552 | 1.282 | 1.359 | 1.332 | 1.241 | 1.341 | 1.15 | 1.028 | 1.061 | 1.2 | 0.984 | 0.274 | 0.078 | 0.626368 | 0.579435 | 0.268427 | 0.196215 | 0.186262 | 0.172195 | 0.1208 | 0.123127 | 0.135612 | 0.14803 | 0.153955 | 0.082332 |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:NetCashProvidedByUsedInInvestingActivities | ▃▆▄▅▅▅▆▇█▅▆▅▆▆▅▅▆▅▅▅▅▅▆▄▄▆▆▆▅▅▁▅▄▅▄▅▅▅▅▅▅▅ | -133.348 | 33.882 | -64.907 | 4.685 | -13.524 | -7.094 | 52.821 | 166.865 | 226.608 | -29.7 | 44.738 | -14.54 | 71.761 | 46.374 | -23.176 | -16.481 | 38.139 | 1.392 | -15.565 | -22.248 | -20.259 | -24.585 | 28.775 | -95.974 | -121.629 | 104.431 | 97.766 | 102.648 | -17.7 | 4.212 | -331.460183 | -29.315058 | -104.476772 | -49.646977 | -55.459683 | -22.875079 | -11.684962 | 18.395111 | -17.860453 | -20.347629 | -27.023001 | -21.307924 |
| us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity krg:KiteRealtyGroupLP | ▁▄▂▄▃▃▅▇█▃▄▃▅▄▃▃▄▄▃▃▃▃▄▂▁▆▅▆▃▄ | -133.348 | 33.882 | -64.907 | 4.685 | -13.524 | -7.094 | 52.821 | 166.865 | 226.608 | -29.7 | 44.738 | -14.54 | 71.761 | 46.374 | -23.176 | -16.481 | 38.139 | 1.392 | -15.565 | -22.248 | -20.259 | -24.585 | 28.775 | -95.974 | -121.629 | 104.431 | 97.766 | 102.648 | -17.7 | 4.212 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:NetCashProvidedByUsedInFinancingActivities | ▄▆▄▂▃█▃▂▁▄▃▄▃▃▄▄▃▄▄▄▄▄▃▄▄▃▃▃▄▄█▄▅▅▅▄▄▄▄▄▄▄ | -41.196 | 120.757 | -35.576 | -155.103 | -128.263 | 298.04 | -81.793 | -212.918 | -256.372 | 3.834 | -75.598 | -24.772 | -112.755 | -76.261 | -16.768 | -19.687 | -78.657 | -34.212 | -27.581 | -26.622 | -13.705 | -18.374 | -69.361 | 16.879 | 24.192 | -66.596 | -116.764 | -81.817 | -7.903 | 3.071 | 322.38713 | 16.377023 | 90.530617 | 39.159005 | 55.446739 | 14.964947 | -1.402838 | -18.216337 | 7.33615 | 16.101438 | 17.498258 | 8.024128 |
| us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity krg:KiteRealtyGroupLP | ▄▆▄▂▃█▃▂▁▄▃▄▃▃▄▄▃▄▄▄▄▄▃▄▅▃▃▃▄▄ | -41.196 | 120.757 | -35.576 | -155.103 | -128.263 | 298.04 | -81.793 | -212.918 | -256.372 | 3.834 | -75.598 | -24.772 | -112.755 | -76.261 | -16.768 | -19.687 | -78.657 | -34.212 | -27.581 | -26.622 | -13.705 | -18.374 | -69.361 | 16.879 | 24.192 | -66.596 | -117.142 | -81.817 | -7.903 | 3.071 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:ProceedsFromIssuanceOfLongTermDebt | ▁▅▂▁▁█▁▁▁▂ | 0.0 | 175.0 | 25.0 | 0.0 | 0.0 | 300.0 | 0.0 | 0.0 | 15.0 | 60.0 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:ProceedsFromIssuanceOfLongTermDebt dei:LegalEntity krg:KiteRealtyGroupLP | ▁▅▂▁▁█▁▁▁▂ | 0.0 | 175.0 | 25.0 | 0.0 | 0.0 | 300.0 | 0.0 | 0.0 | 15.0 | 60.0 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:ProceedsFromIssuanceOfLongTermDebt us-gaap:CreditFacility us-gaap:RevolvingCreditFacility | NA | NA | 25.0 | NA | NA | 300.0 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:ProceedsFromIssuanceOfLongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType krg:FixedRateDebt,krg:ExchangeableSeniorNotes | NA | 169.7 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:RepaymentsOfLongTermDebt | ▂▂▃▄▄▂▃▅▆▂▇▂▄▄▂▂▃▃▃█▄▃▇▆▆▃▄▄▂▂▄▄▃▂▃▂▄▃▂▄▁▂ | 25.95 | 25.568 | 50.707 | 150.494 | 100.727 | 0.549 | 52.252 | 177.51 | 239.553 | 1.2 | 306.379 | 1.087 | 142.55 | 101.363 | 10.385 | 8.838 | 72.733 | 37.2 | 58.431 | 370.47 | 119.3 | 41.3 | 281.764 | 238.878 | 223.45 | 90.927 | 153.458 | 101.955 | 2.694 | 27.137 | 125.357865 | 128.614856 | 86.332138 | 1.728309 | 82.285981 | 12.917549 | 150.643841 | 76.799346 | 22.42486 | 139.723543 | -57.302163 | 28.05516 |
| us-gaap:PaymentsOfDividendsCommonStock | ▄▄▃▃▅▂▅▅▅█▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▃▃▃▃▃▃▃▃▃▃▃▃▄▁▃ | 14.363 | 12.992 | 6.736 | 4.382 | 26.712 | 0.298 | 26.666 | 26.665 | 26.664 | 53.263 | 26.594 | 26.61 | 26.566 | 26.546 | 25.287 | 25.288 | 25.281 | 25.272 | 24.019 | 23.974 | 23.967 | 22.709 | 22.188 | 22.708 | 22.775 | 21.708 | 21.703 | 8.55 | 8.553 | 7.85 | 5.63137 | 5.624945 | 4.673897 | 4.663604 | 3.937444 | 3.845707 | 3.839415 | 3.817338 | 3.817145 | 19.044256 | -11.415214 | 3.800638 |
| us-gaap:PaymentsForRepurchaseOfCommonStock | ▁▄▄▁▁█▂▂▂▄▁▂▁▄▁▂▅▃▁▄▂▆▂▃▁▆ | 0.006 | 0.452 | 0.337 | -0.003 | 0.0 | 1.002 | 0.053 | 0.02 | 0.132 | 0.328 | 0.0 | 0.031 | 0.0 | 0.319 | 0.0 | 0.028 | 0.58 | 0.2 | 0.001 | 0.369 | 0.101 | 0.654 | 0.038 | 0.261 | -0.062 | 0.765 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 |
|---|
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 |
| Value | 0.845 | 0.845 | 0.842 | 0.842 | 0.842 | 0.841 | 0.84 | 0.84 | 0.84 | 0.839 | 0.838 | 0.837 | 0.837 | 0.837 | 0.836 | 0.836 | 0.836 | 0.836 | 0.835 | 0.835 | 0.834 | 0.834 | 0.833 | 0.833 | 0.833 | 0.836 | 0.835 | 0.835 | 1.316 | 1.315 | 1.308262 | 0.938562 | 0.937491 | 0.778964 | 0.777287 | 0.656042 | 0.640808 | 0.639467 | 0.63617 | 0.63607 | 0.635767 | 0.633422 |
| Percentage of CommonStockValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 |
| Value | 1237 | 1256 | 1261 | 1275 | 1282 | 1285 | 1305 | 1322 | 1368 | 1395 | 1416 | 1472 | 1493 | 1519 | 1562 | 1583 | 1608 | 1618 | 1643 | 1653 | 1672 | 1699 | 1728 | 1745 | 1766 | 1779 | 1797 |
| Percentage of CommonStockValue | 146488.6 | 148665.0 | 149826.5 | 151430.4 | 152285.6 | 152827.7 | 155395.4 | 157425.7 | 162923.2 | 166299.3 | 168997.9 | 175922.6 | 178468.7 | 181581.8 | 186892.5 | 189458.6 | 192457.2 | 193580.7 | 196873.1 | 197981.6 | 200582.6 | 203750.4 | 207457.5 | 209585.4 | 212048.4 | 212806.7 | 215264.6 |
| Percentage of Assets | 45.5 | 45.6 | 48.4 | 48.0 | 45.6 | 43.8 | 49.3 | 48.7 | 46.6 | 43.6 | 44.6 | 44.8 | 45.2 | 44.5 | 44.5 | 44.7 | 45.3 | 44.7 | 45.0 | 44.8 | 45.0 | 45.6 | 45.9 | 45.5 | 46.5 | 47.3 | 46.4 |
| Percentage of Assets krg:KiteRealtyGroupLP | 45.5 | 45.6 | 48.4 | 48.0 | 45.6 | 43.8 | 49.3 | 48.7 | 46.6 | 43.6 | 44.6 | 44.8 | 45.2 | 44.5 | 44.5 | 44.7 | 45.3 | 44.7 | 45.0 | 44.8 | 45.0 | 45.6 | 45.9 | 45.5 | 46.5 | 47.3 | 46.4 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-09-30 | 2010-06-30 |
| Value | 84 | 84 | 84 | 84 | 84 | 83 | 83 | 84 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 131 | 131 | 28 | 23 | 91 | 77 | 74 | 64 | 63 | 63 | 71 | 63 | 63 | 63 | 63 | 63 |
| Percentage of WeightedAverageNumberOfDilutedSharesOutstanding | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 34 | 34 |
| Percentage of WeightedAverageNumberOfDilutedSharesOutstanding | 102.9 | 103.0 | 102.7 | 102.6 | 102.5 | 102.5 | 102.5 | 102.5 | 102.5 | 102.4 | 102.4 | 102.4 | 102.3 | 102.3 | 102.3 | 102.3 | 102.3 | 102.1 | 102.0 | 102.3 | 26.3 | 26.3 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-09-30 | 2010-06-30 |
| Value | 84 | 84 | 84 | 84 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 32 | 32 | 28 | 23 | 22 | 19 | 74 | 64 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 |
| Percentage of WeightedAverageNumberOfSharesOutstandingBasic | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 86 | 86 | 86 | 86 | 86 | 86 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 34 | 34 |
| Percentage of WeightedAverageNumberOfSharesOutstandingBasic | 102.9 | 103.0 | 102.7 | 102.6 | 102.5 | 102.5 | 102.5 | 102.5 | 102.5 | 102.4 | 102.4 | 102.4 | 102.4 | 102.3 | 102.3 | 102.3 | 102.3 | 102.1 | 102.0 | 102.0 | 105.0 | 105.1 |
| Period End | 2020-09-30 | 2019-09-30 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 |
| Value | 84 | 83 | 113 | 93 | 91 | 77 | 74 | 64 | 64 | 63 | 63 | 63 | 63 |
| Percentage of WeightedAverageNumberOfShareOutstandingBasicAndDiluted | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2019-09-30 |
| Value | 86 | 86 |
| Percentage of WeightedAverageNumberOfShareOutstandingBasicAndDiluted | 102.7 | 102.5 |
| Period End | 2021-06-30 | 2020-06-30 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 |
| Value | 0 | -0.06 | 0.06 | 0 | 0.06 | 0.06 | 0.06 | -0.2 | -0.16 | 0 | -0.02 | -0.04 | -0.04 | 0 | -0.12 | -0.05 | -0.05 | -0.05 | 0.05 | -0.02 | -0.02 | -0.04 |
| Percentage of EarningsPerShareBasic | 0.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2020-06-30 |
| Value | 0 | -0.06 |
| Percentage of EarningsPerShareBasic | 0.0 | 100.0 |
| Period End | 2021-06-30 | 2020-06-30 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 |
| Value | 0 | -0.06 | 0.03 | -0.01 | 0.12 | 0 | 0.04 | -0.02 | -0.02 | 0.02 | 0.06 | 0 | 0.06 | 0.06 | 0.06 | -0.2 | -0.16 | 0.08 | -0.01 | -0.01 | -0.1 | 0 | -0.09 | -0.05 | -0.04 | 0 | 0.05 | -0.01 | -0.02 | -0.03 |
| Percentage of EarningsPerShareDiluted | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 |
| Value | 0.29 | -0.08 | -0.05 | -0.06 | 0 | 0.18 | -0.24 | -0.02 | 0.07 | -0.37 | 0.05 | -0.02 | -0.21 | 0.03 | -0.01 | 0.12 | 0 | -0.02 | -0.02 | 0.02 | 0 | 0.06 | 0.06 | 0.15 | -0.2 | -0.04 | 0.02 | -0.01 | -0.01 | -0.1 | 0 | -0.09 | -0.05 | -0.04 | 0 | 0.05 | -0.01 | -0.02 | -0.03 | -0.02 | -0.04 | -0.06 |
| Percentage of EarningsPerShareBasicAndDiluted | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 |
| Value | 0.29 | -0.08 | -0.05 | 0 | 0.18 | -0.24 |
| Percentage of EarningsPerShareBasicAndDiluted | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 |
| Value | -0.248 | 31 | -4.602 | -3.534 | -6.349 | -16.241 | 19 | -24.052 | -9.261 | 0.785 | -40.418 | 3.989 | -0.864 | -15.76 | 4.249 | -0.308 | 9.77 | 1.467 | 11 | 1.43 | -4.455 | -5.743 | 14 | -0.874 | 8.257 | 4.015 | 4.901 | -11.709 | -5.086 | 3.665 | 2.035919 | 0.223301 | -1.131375 | 2.633812 | -4.002012 | -2.305188 | -3.392831 | 1.631736 | 4.524253 | 0.625092 | 0.723401 | 0.484532 | 1.18029 | -1.879029 | -3.634255 |
| Percentage of ComprehensiveIncomeNetOfTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -0.4 | 44.8 | -6.7 | -5.4 | -10.0 | -23.2 | 25.5 | -32.1 | -11.4 | 0.9 | -46.5 | 4.7 | -0.9 | -17.6 | 4.8 | -0.4 | 10.5 | 1.6 | 13.3 | 1.6 | -5.1 | -6.5 | 16.5 | -1.0 | 9.9 | 4.6 | 5.6 | -13.2 | -12.5 | 8.6 | 5.7 | 0.7 | -3.8 | 8.5 | -15.0 | -9.1 | -14.0 | 6.6 | 18.4 | 2.7 | 3.1 | 2.1 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | -0.226 | 31 | -4.831 | -3.678 | -6.54 | -16.573 | 19 | -24.674 | -9.482 | 0.799 | -41.308 | 4.085 | -0.891 | -16.134 | 4.35 | -0.314 | 10.0 | 1.501 | 12 | 1.462 | -4.576 | -5.861 | 14 | -0.885 | 8.33 | 4.049 | 4.978 | -11.989 | -5.462 | 3.742 |
| Percentage of ComprehensiveIncomeNetOfTax | 91.1 | 102.7 | 105.0 | 104.1 | 103.0 | 102.0 | 102.4 | 102.6 | 102.4 | 101.8 | 102.2 | 102.4 | 103.1 | 102.4 | 102.4 | 101.9 | 102.4 | 102.3 | 102.3 | 102.2 | 102.7 | 102.1 | 101.5 | 101.3 | 100.9 | 100.8 | 101.6 | 102.4 | 107.4 | 102.1 |
| Percentage of Revenues | -0.3 | 46.1 | -7.1 | -5.7 | -10.3 | -23.7 | 26.1 | -32.9 | -11.6 | 1.0 | -47.5 | 4.8 | -1.0 | -18.0 | 4.9 | -0.4 | 10.8 | 1.7 | 13.6 | 1.6 | -5.2 | -6.6 | 16.8 | -1.0 | 9.9 | 4.7 | 5.7 | -13.5 | -13.4 | 8.8 |
| Percentage of Revenues krg:KiteRealtyGroupLP | -0.3 | 46.1 | 0.0 | -5.7 | -10.3 | -23.7 | 0.0 | -32.9 | -11.6 | 1.0 | 0.0 | 4.8 | -1.0 | -18.0 | 0.0 | -0.4 | 10.8 | 1.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 |
| Value | 154000.0 | 974000.0 | -97000.0 | -12000.0 | -59000.0 | -200000.0 | 593000.0 | -490000.0 | -89000.0 | 146000.0 | -718000.0 | 381000.0 | 316000.0 | -23000.0 | 532000.0 | 426000.0 | 668000.0 | 466000.0 | 738000.0 | 493000.0 | 340000.0 | 405000.0 | 666000.0 | 399000.0 | 487000.0 | 621000.0 | 755000.0 | 400000.0 | -327000.0 | 104000.0 | 50908.0 | -89290.0 | -200570.0 | 78085.0 | -763980.0 | -373160.0 | -610380.0 | 2108600.0 | 417390.0 | -79447.0 | -240700.0 | 78137.0 | 170180.0 | -181380.0 | -480790.0 |
| Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 0.2 | 1.4 | -0.1 | -0.0 | -0.1 | -0.3 | 0.8 | -0.7 | -0.1 | 0.2 | -0.8 | 0.4 | 0.3 | -0.0 | 0.6 | 0.5 | 0.7 | 0.5 | 0.8 | 0.6 | 0.4 | 0.5 | 0.7 | 0.5 | 0.6 | 0.7 | 0.9 | 0.5 | -0.8 | 0.2 | 0.1 | -0.3 | -0.7 | 0.3 | -2.9 | -1.5 | -2.5 | 8.5 | 1.7 | -0.3 | -1.0 | 0.3 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 132000.0 | 132000.0 | 132000.0 | 132000.0 | 132000.0 | 132000.0 | 132000.0 | 132000.0 | 132000.0 | 132000.0 | 172000.0 | 285000.0 | 343000.0 | 351000.0 | 431000.0 | 432000.0 | 438000.0 | 432000.0 | 463000.0 | 461000.0 | 461000.0 | 523000.0 | 443000.0 | 410000.0 | 414000.0 | 587000.0 | 678000.0 | 680000.0 | 49000.0 | 27000.0 |
| Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest | 85.7 | 13.6 | -136.1 | -1100.0 | -223.7 | -66.0 | 22.3 | -26.9 | -148.3 | 90.4 | -24.0 | 74.8 | 108.5 | -1526.1 | 81.0 | 101.4 | 65.6 | 92.7 | 62.7 | 93.5 | 135.6 | 129.1 | 66.5 | 102.8 | 85.0 | 94.5 | 89.8 | 170.0 | -15.0 | 26.0 |
| Percentage of Revenues | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.4 | 0.4 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.6 | 0.5 | 0.5 | 0.5 | 0.7 | 0.8 | 0.8 | 0.1 | 0.1 |
| Percentage of Revenues krg:KiteRealtyGroupLP | 0.2 | 0.2 | 0.0 | 0.2 | 0.2 | 0.2 | 0.0 | 0.2 | 0.2 | 0.2 | 0.0 | 0.3 | 0.4 | 0.4 | 0.0 | 0.5 | 0.5 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 |
| Value | -0.094 | 32 | -4.699 | -3.546 | -6.408 | -16.441 | 19 | -24.542 | -9.35 | 0.931 | -41.136 | 4.37 | -0.548 | -15.783 | 4.781 | 0.118 | 10 | 1.933 | 12 | 1.923 | -4.115 | -5.338 | 15 | -0.475 | 8.744 | 4.636 | 5.656 | -11.309 | -5.413 | 3.769 | 2.086827 | 0.134011 | -1.331946 | 2.711897 | -4.765991 | -2.678343 | -4.003215 | 3.740306 | 4.941643 | 0.545645 | 0.482699 | 0.562669 | 1.35047 | -2.060407 | -4.115044 |
| Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -0.1 | 46.3 | -6.9 | -5.4 | -10.1 | -23.5 | 26.3 | -32.7 | -11.5 | 1.1 | -47.3 | 5.1 | -0.6 | -17.6 | 5.4 | 0.1 | 11.3 | 2.1 | 14.1 | 2.2 | -4.7 | -6.0 | 17.3 | -0.5 | 10.4 | 5.3 | 6.5 | -12.8 | -13.3 | 8.8 | 5.8 | 0.4 | -4.5 | 8.7 | -17.8 | -10.6 | -16.5 | 15.1 | 20.1 | 2.3 | 2.1 | 2.5 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | -0.094 | 32 | -4.699 | -3.546 | -6.408 | -16.441 | 19 | -24.542 | -9.35 | 0.931 | -41.136 | 4.37 | -0.548 | -15.783 | 4.781 | 0.118 | 10 | 1.933 | 12 | 1.923 | -4.115 | -5.338 | 15 | -0.475 | 8.744 | 4.636 | 5.656 | -11.309 | -5.413 | 3.769 |
| Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -0.1 | 46.3 | -6.9 | -5.4 | -10.1 | -23.5 | 26.3 | -32.7 | -11.5 | 1.1 | -47.3 | 5.1 | -0.6 | -17.6 | 5.4 | 0.1 | 11.3 | 2.1 | 14.1 | 2.2 | -4.7 | -6.0 | 17.3 | -0.5 | 10.4 | 5.3 | 6.5 | -12.8 | -13.3 | 8.8 |
| Percentage of Revenues krg:KiteRealtyGroupLP | -0.1 | 46.3 | 0.0 | -5.4 | -10.1 | -23.5 | 0.0 | -32.7 | -11.5 | 1.1 | 0.0 | 5.1 | -0.6 | -17.6 | 0.0 | 0.1 | 11.3 | 2.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 57 | 57 | 55 | 58 |
| Percentage of CostsAndExpenses | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 82.7 | 83.0 | 87.8 | 83.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 57 | 57 | 55 | 58 |
| Percentage of CostsAndExpenses | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 82.7 | 83.0 | 87.8 | 83.1 |
| Percentage of Revenues krg:KiteRealtyGroupLP | 82.7 | 83.0 | 87.8 | 83.1 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 0.0 | 26 |
| Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal | 0.0 | 100.0 |
| Percentage of Revenues | 0.0 | 37.8 |
| Percentage of Revenues us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations | 0.0 | 0.0 |
| Period End | 2020-09-30 |
| Value | 3.1 |
| Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal | 0.0 |
| Percentage of Revenues | 4.8 |
| Percentage of Revenues krg:RedevelopmentProperties | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 |
| Value | 8.159 | 7.276 | 10 | 6.482 | 6.578 | 6.926 | 7.691 | 6.709 | 7.037 | 6.777 | 4.956 | 4.865 | 5.553 | 5.945 | 5.36 | 5.431 | 5.488 | 5.47 | 5.375 | 5.081 | 4.856 | 5.291 | 4.578 | 4.559 | 4.566 | 5.006 | 3.685 | 3.939 | 2.313 | 3.106 | 2.14173 | 2.114828 | 1.81594 | 2.141613 | 1.862785 | 1.647116 | 1.843087 | 1.82372 | 1.619726 | 1.402299 | 1.413918 | 1.847878 | 1.48098 | 1.260314 | 1.254792 |
| Percentage of GeneralAndAdministrativeExpense | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 11.7 | 10.5 | 15.9 | 10.0 | 10.4 | 9.9 | 10.2 | 9.0 | 8.6 | 8.1 | 5.7 | 5.7 | 6.1 | 6.6 | 6.0 | 6.2 | 5.9 | 6.1 | 6.0 | 5.7 | 5.5 | 6.0 | 5.1 | 5.2 | 5.5 | 5.8 | 4.2 | 4.4 | 5.7 | 7.3 | 6.0 | 6.5 | 6.1 | 6.9 | 7.0 | 6.5 | 7.6 | 7.3 | 6.6 | 6.0 | 6.0 | 8.2 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 8.159 | 7.276 | 10 | 6.482 | 6.578 | 6.926 | 7.691 | 6.709 | 7.037 | 6.777 | 4.956 | 4.865 | 5.553 | 5.945 | 5.36 | 5.431 | 5.488 | 5.47 | 5.375 | 5.081 | 4.856 | 5.291 | 4.578 | 4.559 | 4.566 | 5.006 | 3.685 | 3.939 | 2.313 | 3.106 |
| Percentage of GeneralAndAdministrativeExpense | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 11.7 | 10.5 | 15.9 | 10.0 | 10.4 | 9.9 | 10.2 | 9.0 | 8.6 | 8.1 | 5.7 | 5.7 | 6.1 | 6.6 | 6.0 | 6.2 | 5.9 | 6.1 | 6.0 | 5.7 | 5.5 | 6.0 | 5.1 | 5.2 | 5.5 | 5.8 | 4.2 | 4.4 | 5.7 | 7.3 |
| Percentage of Revenues krg:KiteRealtyGroupLP | 11.7 | 10.5 | 0.0 | 10.0 | 10.4 | 9.9 | 0.0 | 9.0 | 8.6 | 8.1 | 0.0 | 5.7 | 6.1 | 6.6 | 0.0 | 6.2 | 5.9 | 6.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 |
| Value | -100000.0 | -118000.0 | -200000.0 | -190000.0 | -202000.0 | -104000.0 | -93000.0 | -41000.0 | -66000.0 | -82000.0 | -149000.0 | -27000.0 | -28000.0 | -23000.0 | -36000.0 | -33000.0 | 3000.0 | -33000.0 | 51000.0 | 15000.0 | 338000.0 | 410000.0 | 52000.0 | 9000.0 | 69000.0 | 55000.0 | -13000.0 | 14000.0 | 76000.0 | -53000.0 | 155930.0 | 30596.0 | 104830.0 | -28952.0 | -99989.0 | -13385.0 | -30174.0 | 37564.0 | -74022.0 | 119560.0 | -30760.0 | -16073.0 | 31932.0 | 80954.0 | 127260.0 |
| Percentage of IncomeTaxExpenseBenefit | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -0.1 | -0.2 | -0.3 | -0.3 | -0.3 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 | -0.2 | -0.0 | -0.0 | -0.0 | -0.0 | -0.0 | 0.0 | -0.0 | 0.1 | 0.0 | 0.4 | 0.5 | 0.1 | 0.0 | 0.1 | 0.1 | -0.0 | 0.0 | 0.2 | -0.1 | 0.4 | 0.1 | 0.4 | -0.1 | -0.4 | -0.1 | -0.1 | 0.2 | -0.3 | 0.5 | -0.1 | -0.1 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | -100000.0 | -118000.0 | -200000.0 | -190000.0 | -202000.0 | -104000.0 | -93000.0 | -41000.0 | -66000.0 | -82000.0 | -149000.0 | -27000.0 | -28000.0 | -23000.0 | -36000.0 | -33000.0 | 3000.0 | -33000.0 | 51000.0 | 15000.0 | 338000.0 | 410000.0 | 52000.0 | 9000.0 | 69000.0 | 55000.0 | -13000.0 | 14000.0 | 76000.0 | -53000.0 |
| Percentage of IncomeTaxExpenseBenefit | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -0.1 | -0.2 | -0.3 | -0.3 | -0.3 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 | -0.2 | -0.0 | -0.0 | -0.0 | -0.0 | -0.0 | 0.0 | -0.0 | 0.1 | 0.0 | 0.4 | 0.5 | 0.1 | 0.0 | 0.1 | 0.1 | -0.0 | 0.0 | 0.2 | -0.1 |
| Percentage of Revenues krg:KiteRealtyGroupLP | -0.1 | -0.2 | 0.0 | -0.3 | -0.3 | -0.1 | 0.0 | -0.1 | -0.1 | -0.1 | 0.0 | -0.0 | -0.0 | -0.0 | 0.0 | -0.0 | 0.0 | -0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 |
| Value | 12 | 12 | 12 | 12 | 13 | 12 | 12 | 14 | 16 | 16 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 15 | 15 | 15 | 13 | 13 | 13 | 15 | 15 | 7.522 | 7.383 | 7.004658 | 7.600413 | 7.752529 | 7.131775 | 6.495927 | 6.481825 | 6.398553 | 6.604828 | 6.981496 | 6.56787 | 5.840521 | 5.641162 | 7.219072 | 6.978767 | 7.237738 |
| Percentage of InterestExpense | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 17.6 | 17.6 | 18.0 | 19.3 | 21.0 | 17.6 | 16.5 | 19.1 | 19.8 | 19.7 | 20.3 | 18.7 | 18.3 | 18.2 | 18.5 | 18.8 | 17.7 | 18.2 | 19.8 | 19.2 | 17.7 | 17.3 | 17.3 | 15.9 | 15.7 | 16.0 | 17.4 | 17.4 | 18.4 | 17.3 | 19.5 | 23.3 | 25.9 | 23.0 | 24.3 | 25.6 | 26.4 | 26.6 | 28.4 | 28.0 | 24.9 | 25.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 12 | 12 | 12 | 12 | 13 | 12 | 12 | 14 | 16 | 16 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 15 | 15 | 15 | 13 | 13 | 13 | 15 | 15 | 7.522 | 7.383 |
| Percentage of InterestExpense | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 17.6 | 17.6 | 18.0 | 19.3 | 21.0 | 17.6 | 16.5 | 19.1 | 19.8 | 19.7 | 20.3 | 18.7 | 18.3 | 18.2 | 18.5 | 18.8 | 17.7 | 18.2 | 19.8 | 19.2 | 17.7 | 17.3 | 17.3 | 15.9 | 15.7 | 16.0 | 17.4 | 17.4 | 18.4 | 17.3 |
| Percentage of Revenues krg:KiteRealtyGroupLP | 17.6 | 17.6 | 0.0 | 19.3 | 21.0 | 17.6 | 0.0 | 19.1 | 19.8 | 19.7 | 0.0 | 18.7 | 18.3 | 18.2 | 0.0 | 18.8 | 17.7 | 18.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 |
| Value | 0.6 | 6.9 | 0.6 | 0.6 | -0.2 | 5.4 | 0.4 | -0.3 | -0.5 | 1.1 | -1.4 | -1.1 | 0.7 | 4.1 |
| Percentage of InterestExpense | 4.9 | 56.4 | 4.9 | 4.8 | -1.5 | 43.9 | 2.4 | -1.8 | -3.0 | 6.7 | -7.9 | -6.4 | 4.5 | 26.8 |
| Percentage of Revenues | 0.9 | 9.9 | 0.9 | 0.9 | -0.3 | 7.7 | 0.4 | -0.3 | -0.5 | 1.2 | -1.6 | -1.2 | 0.8 | 4.6 |
| Percentage of Revenues krg:IncreaseAsHedgedForecastedInterestPaymentsOccur | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 500000.0 | 100000.0 |
| Percentage of InterestExpenseDebt | 100.0 | 100.0 |
| Percentage of Revenues | 0.7 | 0.1 |
| Percentage of Revenues krg:FixedRateDebt krg:ExchangeableSeniorNotes | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 |
| Value | -0.242 | 24 | -4.587 | -4.769 | -0.074 | -19.735 | -1.796 | 5.715 | -31.221 | 3.938 | -1.366 | -17.917 | 2.309 | -0.621 | 10 | 0.005 | 3.359 | -1.682 | -1.895 | 1.402 | 10 | 2.526 | 6.727 | 7.179 | 7.227 | -14.284 | -2.976 | 4.332 | 0.454906 | 1.25625 | -6.592804 | 2.031914 | -4.352852 | -0.924097 | -0.603637 | 1.546739 | 4.501312 | 0.800166 | 0.386613 | -0.706817 | -0.785641 | -2.389954 | -4.020555 |
| Percentage of NetIncomeLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -0.3 | 35.4 | -7.0 | -7.5 | -0.1 | -26.3 | -2.2 | 6.8 | -35.9 | 4.6 | -1.5 | -20.0 | 2.6 | -0.7 | 11.0 | 0.0 | 3.8 | -1.9 | -2.2 | 1.6 | 12.0 | 2.9 | 8.0 | 8.3 | 8.3 | -16.1 | -7.3 | 10.2 | 1.3 | 3.9 | -22.0 | 6.5 | -16.3 | -3.7 | -2.5 | 6.2 | 18.3 | 3.4 | 1.6 | -3.1 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2020-06-30 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 |
| Value | -0.227 | -4.918 | 6.888 | 2.527 | 6.726 | 7.179 |
| Percentage of NetIncomeLoss | 93.8 | 103.1 | 64.5 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -0.3 | -7.8 | 7.7 | 2.9 | 8.0 | 8.3 |
| Percentage of Revenues krg:KiteRealtyGroupLP | -0.3 | -7.8 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 |
| Value | -0.242 | 24 | -4.587 | -4.769 | -0.074 | -19.735 | -1.796 | 5.715 | -31.221 | 3.938 | -1.366 | -17.917 | 2.309 | -0.621 | 10 | 0.005 | 3.359 | -1.682 | -1.896 | 1.402 | 10 | 2.527 | 6.726 | 7.179 | 7.227 | -14.284 | -2.976 | 4.332 | 0.454906 | 1.256249 | -6.592804 | 2.031914 | -4.352852 | -0.924096 | -0.603638 | 1.546739 | 4.501312 | 0.800166 |
| Percentage of NetIncomeLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.1 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -0.3 | 35.4 | -7.0 | -7.5 | -0.1 | -26.3 | -2.2 | 6.8 | -35.9 | 4.6 | -1.5 | -20.0 | 2.6 | -0.7 | 11.0 | 0.0 | 3.8 | -1.9 | -2.2 | 1.6 | 12.0 | 2.9 | 8.0 | 8.3 | 8.3 | -16.1 | -7.3 | 10.2 | 1.3 | 3.9 | -22.0 | 6.5 | -16.3 | -3.7 | -2.5 | 6.2 | 18.3 | 3.4 |
| Percentage of Revenues us-gaap:RetainedEarnings | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 |
| Value | 147000.0 | 778000.0 | -48000.0 | -40000.0 | -17000.0 | 204000.0 | 542000.0 | -382000.0 | 99000.0 | 273000.0 | -488000.0 | 379000.0 | 304000.0 | -80000.0 | 486000.0 | 418000.0 | 678000.0 | 432000.0 | 542000.0 | 420000.0 | 399000.0 | 573000.0 | 572000.0 | 435000.0 | 508000.0 | 683000.0 | 801000.0 | 304000.0 | -220000.0 | 139000.0 | -34193.0 | -15174.0 | -661010.0 | 24854.0 | -884530.0 | -312210.0 | -271220.0 | 2097000.0 | 414430.0 | -57931.0 | -282540.0 | -70494.0 | -74227.0 | -255020.0 | -529620.0 |
| Percentage of NetIncomeLossAttributableToNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 0.2 | 1.1 | -0.1 | -0.1 | -0.0 | 0.3 | 0.7 | -0.5 | 0.1 | 0.3 | -0.6 | 0.4 | 0.3 | -0.1 | 0.5 | 0.5 | 0.7 | 0.5 | 0.6 | 0.5 | 0.5 | 0.6 | 0.6 | 0.5 | 0.6 | 0.8 | 0.9 | 0.3 | -0.5 | 0.3 | -0.1 | -0.0 | -2.2 | 0.1 | -3.3 | -1.2 | -1.1 | 8.4 | 1.7 | -0.2 | -1.2 | -0.3 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 132000.0 | 132000.0 | 132000.0 | 132000.0 | 132000.0 | 132000.0 | 132000.0 | 132000.0 | 132000.0 | 132000.0 | 172000.0 | 285000.0 | 343000.0 | 351000.0 | 431000.0 | 432000.0 | 438000.0 | 432000.0 | 463000.0 | 461000.0 | 461000.0 | 523000.0 | 443000.0 | 410000.0 | 414000.0 | 587000.0 | 678000.0 | 680000.0 | 49000.0 | 27000.0 |
| Percentage of NetIncomeLossAttributableToNoncontrollingInterest | 89.8 | 17.0 | -275.0 | -330.0 | -776.5 | 64.7 | 24.4 | -34.6 | 133.3 | 48.4 | -35.2 | 75.2 | 112.8 | -438.8 | 88.7 | 103.3 | 64.6 | 100.0 | 85.4 | 109.8 | 115.5 | 91.3 | 77.4 | 94.3 | 81.5 | 85.9 | 84.6 | 223.7 | -22.3 | 19.4 |
| Percentage of Revenues | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.4 | 0.4 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.6 | 0.5 | 0.5 | 0.5 | 0.7 | 0.8 | 0.8 | 0.1 | 0.1 |
| Percentage of Revenues krg:KiteRealtyGroupLP | 0.2 | 0.2 | 0.0 | 0.2 | 0.2 | 0.2 | 0.0 | 0.2 | 0.2 | 0.2 | 0.0 | 0.3 | 0.4 | 0.4 | 0.0 | 0.5 | 0.5 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 |
| Value | 148000.0 | 778000.0 | -48000.0 | -40000.0 | -16000.0 | 204000.0 | 542000.0 | 0 | -283000.0 | 273000.0 | -488000.0 | 379000.0 | 305000.0 | -80000.0 | 487000.0 | 417000.0 | 673000.0 | 432000.0 | 512000.0 | 391000.0 | 371000.0 | 482000.0 | 546000.0 | 408000.0 | 478000.0 | 655000.0 | 773000.0 | 275000.0 | -269000.0 | 112000.0 | -65214.0 | -43151.0 | -690800.0 | -7123.0 | -664810.0 | -347440.0 | -320860.0 | -14743.0 | 376190.0 | -78979.0 |
| Percentage of NetIncomeLossAttributableToNoncontrollingInterest | 100.7 | 100.0 | 100.0 | 100.0 | 94.1 | 100.0 | 100.0 | -0.0 | -285.9 | 100.0 | 100.0 | 100.0 | 100.3 | 100.0 | 100.2 | 99.8 | 99.3 | 100.0 | 94.5 | 93.1 | 93.0 | 84.1 | 95.5 | 93.8 | 94.1 | 95.9 | 96.5 | 90.5 | 122.3 | 80.6 | 190.7 | 284.4 | 104.5 | -28.7 | 75.2 | 111.3 | 118.3 | -0.7 | 90.8 | 136.3 |
| Percentage of Revenues | 0.2 | 1.1 | -0.1 | -0.1 | -0.0 | 0.3 | 0.7 | 0.0 | -0.3 | 0.3 | -0.6 | 0.4 | 0.3 | -0.1 | 0.5 | 0.5 | 0.7 | 0.5 | 0.6 | 0.4 | 0.4 | 0.5 | 0.6 | 0.5 | 0.6 | 0.8 | 0.9 | 0.3 | -0.7 | 0.3 | -0.2 | -0.1 | -2.3 | -0.0 | -2.5 | -1.4 | -1.3 | -0.1 | 1.5 | -0.3 |
| Percentage of Revenues krg:RedeemableNoncontrollingInterests | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 |
| Value | 24 | -6.794 | -4.587 | -4.769 | -0.074 | 15 | -19.735 | -1.796 | 5.715 | -31.221 | 3.938 | -1.366 | -17.917 | 2.309 | -0.622 | 10 | 0.005 | 3.359 | -1.682 | -1.895 | 1.402 | 10 | 0.412 | 4.613 | 5.065 | 7.227 | -16.398 | -5.09 | 2.218 | -1.876323 | -0.857813 | -8.706867 | -0.082149 | -8.684021 | -3.03816 | -2.7177 | -0.031074 | 2.939703 | -0.643584 | -1.057137 | -2.150567 | -1.16262 | -2.389954 | -4.020555 |
| Percentage of NetIncomeLossAvailableToCommonStockholdersBasic | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 35.4 | -9.9 | -7.0 | -7.5 | -0.1 | 20.3 | -26.3 | -2.2 | 6.8 | -35.9 | 4.6 | -1.5 | -20.0 | 2.6 | -0.7 | 11.0 | 0.0 | 3.8 | -1.9 | -2.2 | 1.6 | 12.0 | 0.5 | 5.5 | 5.8 | 8.3 | -18.5 | -12.5 | 5.2 | -5.2 | -2.6 | -29.1 | -0.3 | -32.5 | -12.0 | -11.2 | -0.1 | 12.0 | -2.7 | -4.5 | -9.5 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | -0.227 | 25 | -6.974 | -4.759 | -4.918 | -0.002 | 15 | -20.249 | -1.829 | 5.856 | -31.881 | 4.032 | -1.405 | -18.348 | 2.364 | -0.636 | 10 | 0.005 | 3.438 | -1.723 | -1.957 | 1.452 | 5.482 | 0.437 | 4.707 | 5.161 | 5.236 | -16.774 | -5.359 | 2.33 |
| Percentage of NetIncomeLossAvailableToCommonStockholdersBasic | 0.0 | 102.6 | 102.6 | 103.7 | 103.1 | 2.7 | 102.5 | 102.6 | 101.8 | 102.5 | 102.1 | 102.4 | 102.9 | 102.4 | 102.4 | 102.3 | 102.4 | 100.0 | 102.4 | 102.4 | 103.3 | 103.6 | 51.3 | 106.1 | 102.0 | 101.9 | 72.5 | 102.3 | 105.3 | 105.0 |
| Percentage of Revenues | -0.3 | 36.4 | -10.2 | -7.3 | -7.8 | -0.0 | 20.8 | -27.0 | -2.2 | 7.0 | -36.7 | 4.7 | -1.5 | -20.4 | 2.7 | -0.7 | 11.2 | 0.0 | 3.9 | -1.9 | -2.2 | 1.6 | 6.1 | 0.5 | 5.6 | 5.9 | 6.0 | -18.9 | -13.1 | 5.5 |
| Percentage of Revenues krg:KiteRealtyGroupLP | -0.3 | 36.4 | 0.0 | -7.3 | -7.8 | -0.0 | 0.0 | -27.0 | -2.2 | 7.0 | 0.0 | 4.7 | -1.5 | -20.4 | 0.0 | -0.7 | 11.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 |
| Value | 227000.0 | -206000.0 | 20000.0 | -16000.0 | 351000.0 | -104000.0 | -129000.0 | -116000.0 | -142000.0 | -184000.0 | -3000.0 | -379000.0 | -115000.0 | -151000.0 | -101000.0 | -94000.0 | -80000.0 | -139000.0 | -75000.0 | 0 | -110000.0 | 18000.0 | 94000.0 | -60000.0 | -134000.0 |
| Percentage of NonoperatingIncomeExpense | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 0.3 | -0.3 | 0.0 | -0.0 | 0.6 | -0.1 | -0.2 | -0.2 | -0.2 | -0.2 | -0.0 | -0.4 | -0.1 | -0.2 | -0.1 | -0.1 | -0.1 | -0.2 | -0.1 | 0.0 | -0.1 | 0.0 | 0.1 | -0.1 | -0.2 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 |
| Value | 227000.0 | -206000.0 | 20000.0 | -16000.0 | 351000.0 | -104000.0 | -129000.0 | -116000.0 | -142000.0 | -184000.0 | -3000.0 | -379000.0 | -115000.0 | -151000.0 | -101000.0 | -94000.0 | -80000.0 | -139000.0 | -75000.0 | 0 | -110000.0 | 18000.0 | 94000.0 | -60000.0 | -134000.0 |
| Percentage of NonoperatingIncomeExpense | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 0.3 | -0.3 | 0.0 | -0.0 | 0.6 | -0.1 | -0.2 | -0.2 | -0.2 | -0.2 | -0.0 | -0.4 | -0.1 | -0.2 | -0.1 | -0.1 | -0.1 | -0.2 | -0.1 | 0.0 | -0.1 | 0.0 | 0.1 | -0.1 | -0.2 |
| Percentage of Revenues krg:KiteRealtyGroupLP | 0.3 | -0.3 | 0.0 | -0.0 | 0.6 | -0.1 | 0.0 | -0.2 | -0.2 | -0.2 | 0.0 | -0.4 | -0.1 | -0.2 | 0.0 | -0.1 | -0.1 | -0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 |
| Value | 60 | 55 | 58 | 59 | 67 | 88 | 67 | 95 | 65 | 83 | 91 | 69 | 70 | 71 | 81 | 71 | 73 | 73 | 70 | 68 | 70 | 67 | 68 | 66 | 89 | 36 | 37 | 28 | 26 | 30 | 22 | 19 | 20 | 19 | 21 | 18 | 18 | 19 | 18 | 19 | 20 | 21 |
| Percentage of OperatingExpenses | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 92.4 | 87.8 | 83.1 | 78.5 | 90.6 | 108.3 | 80.4 | 110.4 | 75.8 | 91.3 | 102.3 | 78.3 | 81.4 | 77.2 | 91.0 | 80.2 | 82.2 | 83.7 | 80.0 | 77.3 | 80.6 | 80.8 | 78.7 | 75.8 | 101.5 | 89.4 | 87.8 | 78.8 | 82.4 | 101.4 | 74.0 | 72.9 | 81.3 | 81.8 | 86.1 | 76.9 | 78.1 | 83.6 | 84.1 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 60 | 55 | 58 | 59 | 67 | 88 | 67 | 95 | 65 | 83 | 91 | 69 | 70 | 71 | 81 | 71 | 73 | 73 | 70 | 68 | 70 | 67 | 68 | 66 | 89 | 36 | 37 |
| Percentage of OperatingExpenses | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 92.4 | 87.8 | 83.1 | 78.5 | 90.6 | 108.3 | 80.4 | 110.4 | 75.8 | 91.3 | 102.3 | 78.3 | 81.4 | 77.2 | 91.0 | 80.2 | 82.2 | 83.7 | 80.0 | 77.3 | 80.6 | 80.8 | 78.7 | 75.8 | 101.5 | 89.4 | 87.8 |
| Percentage of Revenues krg:KiteRealtyGroupLP | 92.4 | 87.8 | 83.1 | 0.0 | 90.6 | 108.3 | 80.4 | 0.0 | 75.8 | 91.3 | 102.3 | 0.0 | 81.4 | 77.2 | 91.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 |
| Value | 12 | 38 | 5.651 | 8.166 | 8.368 | 12 | 30 | 1.316 | 17 | 22 | -13.757 | 20 | 7.942 | -2.032 | 19 | 16 | 21 | 8.118 | 17 | 15 | 14 | 17 | 20 | 16 | 16 | 18 | 21 | -1.316 | 4.319 | 5.206 | 7.550938 | 5.837007 | 0.642583 | 9.112657 | 6.928805 | 4.878584 | 5.308988 | 5.008335 | 6.873215 | 7.148975 | 5.728027 | 4.820371 | 6.297673 | 4.36296 | 2.846614 |
| Percentage of OperatingIncomeLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 17.4 | 54.8 | 8.3 | 12.6 | 13.2 | 18.3 | 40.1 | 1.8 | 21.3 | 27.5 | -15.8 | 24.2 | 8.7 | -2.3 | 21.7 | 18.6 | 22.8 | 9.0 | 19.8 | 17.8 | 16.3 | 20.0 | 22.7 | 19.4 | 19.2 | 21.3 | 24.2 | -1.5 | 10.6 | 12.2 | 21.0 | 17.9 | 2.1 | 29.4 | 25.9 | 19.3 | 21.9 | 20.2 | 28.0 | 30.5 | 24.4 | 21.4 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 12 | 38 | 5.651 | 8.166 | 8.368 | 12 | 30 | 1.316 | 17 | 22 | -5.604 | 20 | 7.942 | -2.032 | 19 | 16 | 21 | 8.118 | 17 | 15 | 14 | 17 | 20 | 16 | 16 | 18 | 21 | -1.316 | 4.319 | 5.206 |
| Percentage of OperatingIncomeLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 99.9 | 100.0 | 100.0 | 100.0 | 40.7 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 17.4 | 54.8 | 8.3 | 12.6 | 13.2 | 18.3 | 40.1 | 1.8 | 21.3 | 27.5 | -6.4 | 24.2 | 8.7 | -2.3 | 21.7 | 18.6 | 22.8 | 9.0 | 19.8 | 17.8 | 16.3 | 20.0 | 22.7 | 19.4 | 19.2 | 21.3 | 24.2 | -1.5 | 10.6 | 12.2 |
| Percentage of Revenues krg:KiteRealtyGroupLP | 17.4 | 54.8 | 0.0 | 12.6 | 13.2 | 18.3 | 0.0 | 1.8 | 21.3 | 27.5 | 0.0 | 24.2 | 8.7 | -2.3 | 0.0 | 18.6 | 22.8 | 9.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | 1000.0 | 6733000.0 | 2143000.0 | 1081000.0 | -1622000.0 | -16571000.0 | 3977000.0 | -4425000.0 | -7653000.0 | -5057000.0 |
| Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 0.0 | 9.7 | 3.1 | 1.7 | -2.6 | -23.7 | 5.3 | -5.9 | -9.4 | -6.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | 1000.0 | 6733000.0 | 2143000.0 | 1081000.0 | -1622000.0 | -16571000.0 | 3977000.0 | -4425000.0 | -7653000.0 | -5057000.0 |
| Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 0.0 | 9.7 | 3.1 | 1.7 | -2.6 | -23.7 | 5.3 | -5.9 | -9.4 | -6.1 |
| Percentage of Revenues krg:KiteRealtyGroupLP | 0.0 | 9.7 | 0.0 | 1.7 | -2.6 | -23.7 | 0.0 | -5.9 | -9.4 | -6.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 |
| Value | -0.095 | 25 | -6.842 | -4.627 | -4.786 | 0.13 | 15 | -20.117 | -1.697 | 5.988 | -31.709 | 4.317 | -1.062 | -17.997 | 2.795 | -0.204 | 10 | 0.437 | 3.9 | -1.262 | -1.496 | 1.975 | 11 | 2.961 | 7.235 | 7.862 | 8.029 | -13.98 | -3.196 | 4.471 | 0.420712 | 1.241076 | -7.253813 | 2.056768 | -5.23738 | -1.236305 | -0.874858 | 3.643759 | 4.915746 | 0.742235 | 0.104068 | -0.777311 | -0.859868 | -2.644975 | -4.550173 |
| Percentage of ProfitLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -0.1 | 36.5 | -10.0 | -7.1 | -7.6 | 0.2 | 21.1 | -26.8 | -2.1 | 7.2 | -36.5 | 5.0 | -1.2 | -20.0 | 3.1 | -0.2 | 11.7 | 0.5 | 4.4 | -1.4 | -1.7 | 2.2 | 12.6 | 3.4 | 8.6 | 9.1 | 9.2 | -15.8 | -7.8 | 10.5 | 1.2 | 3.8 | -24.2 | 6.6 | -19.6 | -4.9 | -3.6 | 14.7 | 20.0 | 3.2 | 0.4 | -3.4 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | -0.095 | 25 | -6.842 | -4.627 | -4.786 | 0.13 | 15 | -20.117 | -1.697 | 5.988 | -31.709 | 4.317 | -1.062 | -17.997 | 2.795 | -0.204 | 10 | 0.437 | 3.901 | -1.262 | -1.496 | 1.975 | 11 | 2.961 | 7.235 | 7.862 | 8.028 | -13.98 | -3.196 | 4.471 |
| Percentage of ProfitLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 99.8 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -0.1 | 36.5 | -10.0 | -7.1 | -7.6 | 0.2 | 21.0 | -26.8 | -2.1 | 7.2 | -36.5 | 5.0 | -1.2 | -20.0 | 3.1 | -0.2 | 11.7 | 0.5 | 4.4 | -1.4 | -1.7 | 2.2 | 12.6 | 3.4 | 8.6 | 9.1 | 9.2 | -15.8 | -7.8 | 10.5 |
| Percentage of Revenues krg:KiteRealtyGroupLP | -0.1 | 36.5 | 0.0 | -7.1 | -7.6 | 0.2 | 0.0 | -26.8 | -2.1 | 7.2 | 0.0 | 5.0 | -1.2 | -20.0 | 0.0 | -0.2 | 11.7 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 |
| Value | 69 | 69 | 68 | 65 | 63 | 69 | 75 | 74 | 81 | 83 | 86 | 85 | 91 | 89 | 88 | 87 | 92 | 90 | 88 | 89 | 87 | 88 | 89 | 87 | 83 | 86 | 87 | 88 | 40 | 42 | 35 | 32 | 29 | 31 | 26 | 25 | 24 | 24 | 24 | 23 | 23 | 22 |
| Percentage of Revenues | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 |
| Value | 69 | 69 | 68 | 65 | 63 | 69 | 75 | 74 | 81 | 83 | 86 | 85 | 91 | 89 | 88 | 87 | 92 | 90 |
| Percentage of Revenues | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues krg:KiteRealtyGroupLP | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 |
| Value | 0.515 | 0.434 | 0.079 | 0.104 | 0.091 | 0.104 | 0.144 | 0.11 | 0.091 | 0.102 | 0.093 | 0.105 | 0.963 | 1.362 | 0.377 | 0.0 | 0.0 |
| Percentage of Revenues | 0.7 | 0.6 | 0.1 | 0.2 | 0.1 | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 1.0 | 1.5 | 0.4 | 0.0 | 0.0 |
| Percentage of Revenues | 0.7 | 0.6 | 0.1 | 0.2 | 0.1 | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 1.0 | 1.5 | 0.4 | 0.0 | 0.0 |
| Percentage of Revenues krg:KiteRealtyGroupLP us-gaap:ManagementService | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 |
| Value | 1.027 | 1.051 | 1.971 | 0.67 | 1.676 | 4.281 | 1.416 | 2.26 | 1.594 | 1.055 | 5.019 | 2.129 | 4.927 | 0.778 | 1.772 | 1.896 | 5.733 |
| Percentage of Revenues | 1.5 | 1.5 | 2.9 | 1.0 | 2.6 | 6.1 | 1.9 | 3.0 | 2.0 | 1.3 | 5.8 | 2.5 | 5.4 | 0.9 | 2.0 | 2.2 | 6.2 |
| Percentage of Revenues | 1.5 | 1.5 | 2.9 | 1.0 | 2.6 | 6.1 | 1.9 | 3.0 | 2.0 | 1.3 | 5.8 | 2.5 | 5.4 | 0.9 | 2.0 | 2.2 | 6.2 |
| Percentage of Revenues krg:KiteRealtyGroupLP us-gaap:RealEstateOther | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 |
| Value | 0.515 | 0.434 | 0.079 | 0.104 | 0.091 | 0.104 | 0.144 | 0.11 | 0.091 | 0.102 | 0.093 | 0.105 | 0.963 | 1.362 | 0.377 | 0.0 | 0.0 |
| Percentage of Revenues | 0.7 | 0.6 | 0.1 | 0.2 | 0.1 | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 1.0 | 1.5 | 0.4 | 0.0 | 0.0 |
| Percentage of Revenues | 0.7 | 0.6 | 0.1 | 0.2 | 0.1 | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 1.0 | 1.5 | 0.4 | 0.0 | 0.0 |
| Percentage of Revenues us-gaap:ManagementService | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 |
| Value | 1.027 | 1.051 | 1.971 | 0.67 | 1.676 | 4.281 | 1.416 | 2.26 | 1.594 | 1.055 | 5.019 | 2.129 | 4.927 | 0.778 | 1.772 | 1.896 | 5.733 |
| Percentage of Revenues | 1.5 | 1.5 | 2.9 | 1.0 | 2.6 | 6.1 | 1.9 | 3.0 | 2.0 | 1.3 | 5.8 | 2.5 | 5.4 | 0.9 | 2.0 | 2.2 | 6.2 |
| Percentage of Revenues | 1.5 | 1.5 | 2.9 | 1.0 | 2.6 | 6.1 | 1.9 | 3.0 | 2.0 | 1.3 | 5.8 | 2.5 | 5.4 | 0.9 | 2.0 | 2.2 | 6.2 |
| Percentage of Revenues us-gaap:RealEstateOther | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 |
| Value | 2719 | 2755 | 2608 | 2658 | 2811 | 2937 | 2648 | 2713 | 2936 | 3203 | 3172 | 3285 | 3302 | 3418 | 3512 | 3543 | 3550 | 3623 | 3656 | 3690 | 3717 | 3729 | 3766 | 3837 | 3795 | 3758 | 3874 | 4008 | 1747 | 1759 | 1763 | 1404 | 1413 | 1328 | 1288 | 1221 | 1178 | 1177 | 1193 | 1187 | 1164 | 1132 |
| Percentage of Assets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 |
| Value | 2719 | 2755 | 2608 | 2658 | 2811 | 2937 | 2648 | 2713 | 2936 | 3203 | 3172 | 3285 | 3302 | 3418 | 3512 | 3543 | 3550 | 3623 | 3656 | 3690 | 3717 | 3729 | 3766 | 3837 | 3795 | 3758 | 3874 |
| Percentage of Assets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets krg:KiteRealtyGroupLP | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 |
| Value | 114 | 114 | 113 | 114 | 115 | 114 |
| Percentage of Assets | 4.2 | 4.1 | 4.3 | 4.3 | 4.1 | 3.9 |
| Percentage of Assets | 4.2 | 4.1 | 4.3 | 4.3 | 4.1 | 3.9 |
| Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 |
| Value | 1447 | 1470 | 1333 | 1370 | 1518 | 1639 | 1306 | 1365 | 1537 | 1769 | 1712 | 1759 | 1753 | 1844 | 1874 | 1884 | 1866 | 1926 | 1923 | 1946 | 1955 | 1940 | 1946 | 1907 | 1840 | 1786 | 1846 | 1962 | 969 | 966 | 962 | 812 | 814 | 817 | 774 | 753 | 704 | 694 | 737 | 731 | 703 | 658 |
| Percentage of Liabilities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 53.2 | 53.4 | 51.1 | 51.6 | 54.0 | 55.8 | 49.3 | 50.3 | 52.4 | 55.2 | 54.0 | 53.5 | 53.1 | 53.9 | 53.4 | 53.2 | 52.6 | 53.2 | 52.6 | 52.7 | 52.6 | 52.0 | 51.7 | 49.7 | 48.5 | 47.5 | 47.7 | 49.0 | 55.5 | 54.9 | 54.6 | 57.9 | 57.6 | 61.6 | 60.1 | 61.7 | 59.8 | 58.9 | 61.8 | 61.6 | 60.4 | 58.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 |
| Value | 1447 | 1470 | 1333 | 1370 | 1518 | 1639 | 1306 | 1365 | 1537 | 1769 | 1712 | 1759 | 1753 | 1844 | 1874 | 1884 | 1866 | 1926 | 1923 | 1946 | 1955 | 1940 | 1946 | 1907 | 1840 | 1786 | 1846 |
| Percentage of Liabilities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 53.2 | 53.4 | 51.1 | 51.6 | 54.0 | 55.8 | 49.3 | 50.3 | 52.4 | 55.2 | 54.0 | 53.5 | 53.1 | 53.9 | 53.4 | 53.2 | 52.6 | 53.2 | 52.6 | 52.7 | 52.6 | 52.0 | 51.7 | 49.7 | 48.5 | 47.5 | 47.7 |
| Percentage of Assets krg:KiteRealtyGroupLP | 53.2 | 53.4 | 51.1 | 51.6 | 54.0 | 55.8 | 49.3 | 50.3 | 52.4 | 55.2 | 54.0 | 53.5 | 53.1 | 53.9 | 53.4 | 53.2 | 52.6 | 53.2 | 52.6 | 52.7 | 52.6 | 52.0 | 51.7 | 49.7 | 48.5 | 47.5 | 47.7 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 |
| Value | 29 | 54 | 55 | 55 | 55 | 55 |
| Percentage of Liabilities | 2.0 | 3.7 | 4.1 | 4.0 | 3.7 | 3.4 |
| Percentage of Assets | 1.1 | 2.0 | 2.1 | 2.1 | 2.0 | 1.9 |
| Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary | 25.6 | 48.2 | 48.6 | 48.4 | 48.2 | 48.5 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 |
| Value | 2719 | 2755 | 2608 | 2658 | 2811 | 2937 | 2648 | 2713 | 2936 | 3203 | 3172 | 3285 | 3302 | 3418 | 3512 | 3543 | 3550 | 3623 | 3656 | 3690 | 3717 | 3729 | 3766 | 3837 | 3795 | 3758 | 3874 | 4008 | 1747 | 1759 | 1763 | 1404 | 1413 | 1328 | 1288 | 1221 | 1178 | 1177 | 1193 | 1187 | 1164 | 1132 |
| Percentage of LiabilitiesAndStockholdersEquity | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 |
| Value | 2719 | 2755 | 2608 | 2658 | 2811 | 2937 | 2648 | 2713 | 2936 | 3203 | 3172 | 3285 | 3302 | 3418 | 3512 | 3543 | 3550 | 3623 | 3656 | 3690 | 3717 | 3729 | 3766 | 3837 | 3795 | 3758 | 3874 |
| Percentage of LiabilitiesAndStockholdersEquity | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets krg:KiteRealtyGroupLP | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 | 2009-12-31 | 2008-12-31 |
| Value | 1213 | 1231 | 1230 | 1242 | 1248 | 1252 | 1289 | 1302 | 1352 | 1386 | 1412 | 1478 | 1499 | 1524 | 1565 | 1584 | 1609 | 1619 | 1643 | 1644 | 1661 | 1689 | 1725 | 1842 | 1866 | 1877 | 1898 | 1932 | 733 | 750 | 753 | 547 | 554 | 461 | 473 | 427 | 429 | 437 | 409 | 409 | 413 | 423 | 375 | 284 |
| Percentage of StockholdersEquity | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 44.6 | 44.7 | 47.2 | 46.7 | 44.4 | 42.7 | 48.7 | 48.0 | 46.1 | 43.3 | 44.5 | 45.0 | 45.4 | 44.6 | 44.6 | 44.7 | 45.3 | 44.7 | 45.0 | 44.6 | 44.7 | 45.3 | 45.8 | 48.0 | 49.2 | 49.9 | 49.0 | 48.2 | 42.0 | 42.6 | 42.7 | 39.0 | 39.2 | 34.7 | 36.7 | 35.0 | 36.4 | 37.2 | 34.3 | 34.5 | 35.5 | 37.3 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 |
| Value | 1213 | 1231 | 1230 | 1242 | 1248 | 1252 | 1289 | 1302 | 1352 | 1386 | 1412 | 1478 | 1499 | 1524 | 1565 | 1584 | 1609 | 1619 | 1643 | 1644 | 1661 | 1689 | 1725 | 1842 | 1866 | 1877 | 1898 |
| Percentage of StockholdersEquity | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 44.6 | 44.7 | 47.2 | 46.7 | 44.4 | 42.7 | 48.7 | 48.0 | 46.1 | 43.3 | 44.5 | 45.0 | 45.4 | 44.6 | 44.6 | 44.7 | 45.3 | 44.7 | 45.0 | 44.6 | 44.7 | 45.3 | 45.8 | 48.0 | 49.2 | 49.9 | 49.0 |
| Percentage of Assets krg:KiteRealtyGroupLP | 44.6 | 44.7 | 47.2 | 46.7 | 44.4 | 42.7 | 48.7 | 48.0 | 46.1 | 43.3 | 44.5 | 45.0 | 45.4 | 44.6 | 44.6 | 44.7 | 45.3 | 44.7 | 45.0 | 44.6 | 44.7 | 45.3 | 45.8 | 48.0 | 49.2 | 49.9 | 49.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 | 2009-12-31 | 2008-12-31 |
| Value | -24.354 | -24.348 | -30.885 | -32.977 | -34.03 | -32.45 | -16.283 | -20.209 | -15.892 | -8.427 | -3.497 | 5.7 | 5.649 | 5.147 | 2.99 | 1.05 | 0.736 | 1.146 | -0.316 | -8.738 | -11.85 | -9.29 | -2.145 | -6.209 | -2.809 | -4.339 | -1.175 | 1.151 | -1.425 | 0.686 | 1.35285 | -0.228163 | 0.804784 | -4.656645 | -5.258543 | -5.609383 | -4.228292 | -1.439098 | -1.524095 | -1.547036 | -1.371962 | -2.9001 | -5.802406 | -7.739154 |
| Percentage of StockholdersEquity | -2.0 | -2.0 | -2.5 | -2.7 | -2.7 | -2.6 | -1.3 | -1.6 | -1.2 | -0.6 | -0.2 | 0.4 | 0.4 | 0.3 | 0.2 | 0.1 | 0.0 | 0.1 | -0.0 | -0.5 | -0.7 | -0.5 | -0.1 | -0.3 | -0.2 | -0.2 | -0.1 | 0.1 | -0.2 | 0.1 | 0.2 | -0.0 | 0.1 | -1.0 | -1.1 | -1.3 | -1.0 | -0.3 | -0.4 | -0.4 | -0.3 | -0.7 | -1.5 | -2.7 |
| Percentage of Assets | -0.9 | -0.9 | -1.2 | -1.2 | -1.2 | -1.1 | -0.6 | -0.7 | -0.5 | -0.3 | -0.1 | 0.2 | 0.2 | 0.2 | 0.1 | 0.0 | 0.0 | 0.0 | -0.0 | -0.2 | -0.3 | -0.2 | -0.1 | -0.2 | -0.1 | -0.1 | -0.0 | 0.0 | -0.1 | 0.0 | 0.1 | -0.0 | 0.1 | -0.4 | -0.4 | -0.5 | -0.4 | -0.1 | -0.1 | -0.1 | -0.1 | -0.3 | 0.0 | 0.0 |
| Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 | 2009-12-31 | 2008-12-31 |
| Value | 2064 | 2068 | 2085 | 2084 | 2083 | 2081 | 2074 | 2080 | 2079 | 2078 | 2078 | 2076 | 2075 | 2073 | 2071 | 2068 | 2067 | 2062 | 2062 | 2049 | 2043 | 2044 | 2050 | 2050 | 2049 | 2043 | 2044 | 2059 | 824 | 825 | 821 | 608 | 607 | 505 | 513 | 457 | 450 | 449 | 449 | 449 | 448 | 448 | 449 | 343 |
| Percentage of StockholdersEquity | 170.1 | 167.9 | 169.4 | 167.9 | 166.9 | 166.1 | 160.9 | 159.7 | 153.8 | 149.8 | 147.1 | 140.5 | 138.4 | 136.0 | 132.3 | 130.5 | 128.5 | 127.3 | 125.5 | 124.6 | 123.0 | 121.0 | 118.8 | 111.3 | 109.8 | 108.9 | 107.7 | 106.6 | 112.4 | 110.0 | 109.0 | 111.0 | 109.5 | 109.6 | 108.5 | 106.9 | 104.9 | 102.7 | 109.9 | 109.7 | 108.5 | 106.1 | 119.9 | 120.6 |
| Percentage of Assets | 75.9 | 75.1 | 79.9 | 78.4 | 74.1 | 70.9 | 78.3 | 76.6 | 70.8 | 64.9 | 65.5 | 63.2 | 62.8 | 60.6 | 59.0 | 58.4 | 58.2 | 56.9 | 56.4 | 55.5 | 55.0 | 54.8 | 54.4 | 53.4 | 54.0 | 54.4 | 52.8 | 51.4 | 47.2 | 46.9 | 46.6 | 43.3 | 43.0 | 38.0 | 39.8 | 37.5 | 38.2 | 38.2 | 37.7 | 37.9 | 38.5 | 39.6 | 0.0 | 0.0 |
| Percentage of Assets us-gaap:AdditionalPaidInCapital | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 | 2009-12-31 | 2008-12-31 |
| Value | 0.845 | 0.845 | 0.842 | 0.842 | 0.842 | 0.841 | 0.84 | 0.84 | 0.84 | 0.839 | 0.838 | 0.837 | 0.837 | 0.837 | 0.836 | 0.836 | 0.836 | 0.836 | 0.835 | 0.835 | 0.834 | 0.834 | 0.833 | 0.833 | 0.833 | 0.836 | 0.835 | 0.835 | 1.316 | 1.315 | 1.308262 | 0.938562 | 0.937491 | 0.778964 | 0.777287 | 0.656042 | 0.640808 | 0.639467 | 0.63617 | 0.63607 | 0.635767 | 0.633422 | 0.630621 | 0.341812 |
| Percentage of StockholdersEquity | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.1 | 0.2 | 0.1 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 |
| Percentage of Assets us-gaap:CommonStock | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 | 2009-12-31 | 2008-12-31 |
| Value | -827.326 | -812.721 | -824.306 | -810.776 | -801.809 | -797.04 | -769.955 | -758.558 | -712.153 | -683.692 | -662.735 | -604.917 | -582.245 | -554.313 | -509.833 | -485.598 | -459.689 | -444.582 | -419.305 | -397.391 | -371.69 | -345.822 | -323.257 | -305.902 | -283.607 | -265.512 | -247.801 | -231.203 | -193.105 | -179.461 | -173.130113 | -163.621202 | -157.13202 | -142.800208 | -138.044264 | -126.913745 | -119.938104 | -113.374751 | -109.504068 | -108.744484 | -104.284327 | -93.447581 | -69.613763 | -51.276059 |
| Percentage of StockholdersEquity | -68.2 | -66.0 | -67.0 | -65.3 | -64.2 | -63.6 | -59.7 | -58.3 | -52.6 | -49.3 | -46.9 | -40.9 | -38.8 | -36.3 | -32.6 | -30.6 | -28.6 | -27.5 | -25.5 | -24.2 | -22.4 | -20.5 | -18.7 | -16.6 | -15.2 | -14.1 | -13.1 | -12.0 | -26.3 | -23.9 | -23.0 | -29.9 | -28.3 | -31.0 | -29.2 | -29.7 | -27.9 | -25.9 | -26.7 | -26.5 | -25.2 | -22.1 | -18.6 | -18.0 |
| Percentage of Assets | -30.4 | -29.5 | -31.6 | -30.5 | -28.5 | -27.1 | -29.1 | -28.0 | -24.3 | -21.3 | -20.9 | -18.4 | -17.6 | -16.2 | -14.5 | -13.7 | -12.9 | -12.3 | -11.5 | -10.8 | -10.0 | -9.3 | -8.6 | -8.0 | -7.5 | -7.1 | -6.4 | -5.8 | -11.1 | -10.2 | -9.8 | -11.7 | -11.1 | -10.7 | -10.7 | -10.4 | -10.2 | -9.6 | -9.2 | -9.2 | -9.0 | -8.2 | 0.0 | 0.0 |
| Percentage of Assets us-gaap:RetainedEarnings | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2009-12-31 | 2008-12-31 |
| Value | 89 | 228 | 43 | 129 | 229 | 343 | 31 | 40 | 35 | 28 | 35 | 30 | 32 | 28 | 24 | 32 | 27 | 22 | 19 | 28 | 37 | 23 | 33 | 42 | 70 | 126 | 43 | 31 | 22 | 31 | 18 | 12 | 13 | 14 | 12 | 9.933628 | 8.296769 | 15 | 10 | 9.241422 | 7.592584 | 8.136797 | 15 | 12 | 10 | 19 | 9.917875 |
| Percentage of CashAndCashEquivalentsAtCarryingValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 3.3 | 8.3 | 1.7 | 4.9 | 8.2 | 11.7 | 1.2 | 1.5 | 1.2 | 0.9 | 1.1 | 0.9 | 1.0 | 0.8 | 0.7 | 0.9 | 0.8 | 0.6 | 0.5 | 0.8 | 1.0 | 0.6 | 0.9 | 1.1 | 1.8 | 3.4 | 1.1 | 0.8 | 1.3 | 1.8 | 1.0 | 0.9 | 0.9 | 1.1 | 1.0 | 0.8 | 0.7 | 1.3 | 0.8 | 0.8 | 0.7 | 0.0 | 1.4 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2012-12-31 |
| Value | 89 | 228 | 43 | 129 | 229 | 343 | 31 | 40 | 35 | 28 | 35 | 30 | 32 | 28 | 24 | 32 | 27 | 22 | 19 | 28 | 37 | 23 | 33 | 42 | 70 | 126 | 43 | 31 | 22 | 31 | 18 | 12 |
| Percentage of CashAndCashEquivalentsAtCarryingValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 3.3 | 8.3 | 1.7 | 4.9 | 8.2 | 11.7 | 1.2 | 1.5 | 1.2 | 0.9 | 1.1 | 0.9 | 1.0 | 0.8 | 0.7 | 0.9 | 0.8 | 0.6 | 0.5 | 0.8 | 1.0 | 0.6 | 0.9 | 1.1 | 1.8 | 3.4 | 1.1 | 0.8 | 1.3 | 1.8 | 1.0 | 1.0 |
| Percentage of Assets krg:KiteRealtyGroupLP | 3.3 | 8.3 | 1.7 | 4.9 | 8.2 | 11.7 | 1.2 | 1.5 | 1.2 | 0.9 | 1.1 | 0.9 | 1.0 | 0.8 | 0.7 | 0.9 | 0.8 | 0.6 | 0.5 | 0.8 | 1.0 | 0.6 | 0.9 | 1.1 | 1.8 | 3.4 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2016-12-31 | 2015-12-31 |
| Value | 94 | 232 | 46 | 137 | 251 | 365 | 52 | 49 | 59 | 51 | 45 | 41 | 43 | 38 | 32 | 41 | 36 | 28 | 47 |
| Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 3.5 | 8.4 | 1.8 | 5.2 | 9.0 | 12.4 | 2.0 | 1.8 | 2.0 | 1.6 | 1.4 | 1.2 | 1.3 | 1.1 | 0.9 | 1.2 | 1.0 | 0.8 | 1.3 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2016-12-31 | 2015-12-31 |
| Value | 94 | 232 | 46 | 137 | 251 | 365 | 52 | 49 | 59 | 51 | 45 | 41 | 43 | 38 | 32 | 41 | 36 | 28 | 47 |
| Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 3.5 | 8.4 | 1.8 | 5.2 | 9.0 | 12.4 | 2.0 | 1.8 | 2.0 | 1.6 | 1.4 | 1.2 | 1.3 | 1.1 | 0.9 | 1.2 | 1.0 | 0.8 | 1.3 |
| Percentage of Assets krg:KiteRealtyGroupLP | 3.5 | 8.4 | 1.8 | 5.2 | 9.0 | 12.4 | 2.0 | 1.8 | 2.0 | 1.6 | 1.4 | 1.2 | 1.3 | 1.1 | 0.9 | 1.2 | 1.0 | 0.8 | 1.3 |
| Period End | 2021-06-30 |
| Value | 125 |
| Percentage of ShortTermInvestments | 100.0 |
| Percentage of Assets | 4.6 |
| Period End | 2021-06-30 |
| Value | 125 |
| Percentage of ShortTermInvestments | 100.0 |
| Percentage of Assets | 4.6 |
| Percentage of Assets krg:KiteRealtyGroupLP | 4.6 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2012-03-31 | 2011-12-31 |
| Value | 29 | 35 | 47 | 66 | 86 | 110 | 119 | 18 | 3.651418 | -8.183021 | -8.637607 |
| Percentage of FiniteLivedIntangibleAssetsNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 1.1 | 1.3 | 1.5 | 1.9 | 2.4 | 2.9 | 3.1 | 1.1 | 0.3 | -0.7 | -0.7 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Value | 25 | 31 | 41 | 57 | 73 | 89 |
| Percentage of FiniteLivedIntangibleAssetsNet | 84.7 | 88.2 | 87.1 | 86.8 | 84.7 | 81.6 |
| Percentage of Assets | 1.0 | 1.2 | 1.3 | 1.6 | 2.0 | 2.4 |
| Percentage of Assets krg:DeferredLeasingCosts | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Value | 4.522 | 4.221 | 6.158 | 8.725 | 13 | 20 |
| Percentage of FiniteLivedIntangibleAssetsNet | 15.3 | 11.8 | 12.9 | 13.2 | 15.3 | 18.4 |
| Percentage of Assets | 0.2 | 0.2 | 0.2 | 0.2 | 0.4 | 0.5 |
| Percentage of Assets us-gaap:AboveMarketLeases | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 45 | 50 | 69 | 83 | 95 | 112 | 113 | 36 | 10 |
| Percentage of FiniteLivedIntangibleAssetsNet | 153.5 | 140.2 | 146.1 | 125.4 | 110.5 | 101.9 | 94.8 | 192.0 | 294.8 |
| Percentage of Assets | 1.7 | 1.9 | 2.2 | 2.4 | 2.6 | 3.0 | 2.9 | 2.1 | 0.8 |
| Percentage of Assets us-gaap:LeasesAcquiredInPlace | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 |
| Value | 1289 | 1315 | 1170 | 1196 | 1346 | 1446 | 1146 | 1198 | 1376 | 1602 | 1543 | 1578 | 1565 | 1650 | 1699 | 1681 | 1675 | 1726 | 1731 | 1732 | 1740 | 1730 | 1734 | 1679 | 1618 | 1569 | 1554 | 1556 | 874 | 871 | 857 | 743 | 747 | 746 | 699 | 680 | 652 | 646 | 689 | 675 | 654 | 610 |
| Percentage of LongTermDebt | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 47.4 | 47.7 | 44.9 | 45.0 | 47.9 | 49.2 | 43.3 | 44.2 | 46.9 | 50.0 | 48.7 | 48.0 | 47.4 | 48.3 | 48.4 | 47.5 | 47.2 | 47.7 | 47.3 | 46.9 | 46.8 | 46.4 | 46.0 | 43.8 | 42.6 | 41.8 | 40.1 | 38.8 | 50.0 | 49.5 | 48.6 | 53.0 | 52.9 | 56.2 | 54.3 | 55.7 | 55.4 | 54.9 | 57.8 | 56.9 | 56.2 | 53.9 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 |
| Value | 1289 | 1315 | 1170 | 1196 | 1346 | 1446 | 1146 | 1198 | 1376 | 1602 | 1543 | 1578 | 1565 | 1650 | 1699 | 1681 | 1675 | 1726 | 1731 | 1732 | 1740 | 1730 | 1734 | 1679 | 1618 | 1569 | 1554 |
| Percentage of LongTermDebt | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 47.4 | 47.7 | 44.9 | 45.0 | 47.9 | 49.2 | 43.3 | 44.2 | 46.9 | 50.0 | 48.7 | 48.0 | 47.4 | 48.3 | 48.4 | 47.5 | 47.2 | 47.7 | 47.3 | 46.9 | 46.8 | 46.4 | 46.0 | 43.8 | 42.6 | 41.8 | 40.1 |
| Percentage of Assets krg:KiteRealtyGroupLP | 47.4 | 47.7 | 44.9 | 45.0 | 47.9 | 49.2 | 43.3 | 44.2 | 46.9 | 50.0 | 48.7 | 48.0 | 47.4 | 48.3 | 48.4 | 47.5 | 47.2 | 47.7 | 47.3 | 46.9 | 46.8 | 46.4 | 46.0 | 43.8 | 42.6 | 41.8 | 40.1 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2013-12-31 |
| Value | 23 | 48 | 197 | 297 | -2.625 | -2.882 | 44 | 102 | 41 | 19 | 4.852 | 44 | 58 | 38 | 30 | 80 | 76 | 40 | -1.398 | 66 | 20 | 0.0 | 166 | 206 | 160 | 113 | 145 |
| Percentage of LongTermDebt | 2.0 | 4.0 | 14.7 | 20.6 | -0.2 | -0.2 | 3.2 | 6.4 | 2.7 | 1.2 | 0.3 | 2.7 | 3.4 | 2.3 | 1.8 | 4.7 | 4.4 | 2.3 | -0.1 | 3.8 | 1.2 | 0.0 | 10.3 | 13.2 | 10.3 | 7.3 | 16.9 |
| Percentage of Assets | 0.9 | 1.8 | 7.0 | 10.1 | -0.1 | -0.1 | 1.5 | 3.2 | 1.3 | 0.6 | 0.1 | 1.3 | 1.7 | 1.1 | 0.9 | 2.2 | 2.1 | 1.1 | -0.0 | 1.8 | 0.5 | 0.0 | 4.4 | 5.5 | 4.1 | 2.8 | 8.2 |
| Percentage of Assets us-gaap:RevolvingCreditFacility | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 169 | 169 |
| Percentage of LongTermDebt | 13.2 | 12.9 |
| Percentage of Assets | 6.2 | 6.2 |
| Percentage of Assets krg:FixedRateDebt krg:ExchangeableSeniorNotes | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2015-12-31 |
| Value | 546 | 546 | 546 | 546 | 546 | 545 | 545 | 545 | 545 | 545 | 545 | 544 | 544 | 544 | 544 | 544 | 544 | 543 | 543 | 247 |
| Percentage of LongTermDebt | 42.4 | 41.6 | 46.7 | 45.7 | 40.6 | 37.7 | 47.6 | 45.5 | 39.6 | 34.0 | 35.3 | 34.5 | 34.8 | 33.0 | 32.0 | 32.4 | 32.5 | 31.5 | 31.4 | 14.3 |
| Percentage of Assets | 20.1 | 19.8 | 20.9 | 20.6 | 19.4 | 18.6 | 20.6 | 20.1 | 18.6 | 17.0 | 17.2 | 16.6 | 16.5 | 15.9 | 15.5 | 15.4 | 15.3 | 15.0 | 14.9 | 6.6 |
| Percentage of Assets krg:FixedRateDebt krg:SeniorUnsecuredNotes | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 |
| Value | 155 |
| Percentage of LongTermDebt | 12.0 |
| Percentage of Assets | 5.7 |
| Percentage of Assets krg:FixedRateDebt krg:VariableRateDebtConsideringHedges | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 |
| Value | 296 | 297 | 297 | 298 | 298 | 299 | 299 | 334 | 465 | 539 | 540 | 542 | 543 | 549 | 585 | 587 | 588 | 590 | 598 | 636 | 707 | 729 | 756 | 758 | 745 | 771 | 810 | 800 | 270 | 271 | 276 |
| Percentage of LongTermDebt | 23.0 | 22.6 | 25.4 | 24.9 | 22.2 | 20.7 | 26.1 | 27.9 | 33.8 | 33.6 | 35.0 | 34.4 | 34.7 | 33.3 | 34.4 | 34.9 | 35.2 | 34.2 | 34.6 | 36.7 | 40.6 | 42.1 | 43.6 | 45.1 | 46.1 | 49.1 | 52.2 | 51.4 | 30.9 | 31.1 | 32.3 |
| Percentage of Assets | 10.9 | 10.8 | 11.4 | 11.2 | 10.6 | 10.2 | 11.3 | 12.3 | 15.9 | 16.8 | 17.0 | 16.5 | 16.5 | 16.1 | 16.7 | 16.6 | 16.6 | 16.3 | 16.4 | 17.2 | 19.0 | 19.6 | 20.1 | 19.8 | 19.7 | 20.5 | 20.9 | 20.0 | 15.5 | 15.4 | 15.7 |
| Percentage of Assets krg:FixedRateDebt us-gaap:Mortgages | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 |
| Value | 250 |
| Percentage of LongTermDebt | 19.4 |
| Percentage of Assets | 9.2 |
| Percentage of Assets krg:VariableRateDebt krg:FixedRateDebtConsideringHedges | 0.0 |
| Period End | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 250 | 250 | 250 | 250 | 266 | 266 | 391 | 337 | 378 | 385 | 460 | 460 | 461 | 474 | 645 | 495 | 516 | -543.275 | -373.275 | -456.275 | -327.294 | -326.702 |
| Percentage of LongTermDebt | 19.0 | 20.9 | 18.6 | 17.3 | 22.2 | 19.3 | 24.4 | 21.4 | 24.2 | 23.3 | 27.4 | 27.5 | 26.7 | 27.4 | 37.1 | 28.6 | 30.7 | -33.6 | -23.8 | -29.3 | -37.4 | -37.5 |
| Percentage of Assets | 9.1 | 9.4 | 8.9 | 8.5 | 9.8 | 9.1 | 12.2 | 10.3 | 11.5 | 11.3 | 13.0 | 13.0 | 12.7 | 12.9 | 17.4 | 13.3 | 13.5 | -14.3 | -9.9 | -11.4 | -18.7 | -18.6 |
| Percentage of Assets krg:VariableRateDebt krg:FloatingRateDebtHedged | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 |
| Value | 29 | 54 | 55 | 55 | 55 | 55 | 55 | 72 | 72 | 73 | 73 | 73 | 73 | 112 | 113 | 113 | 113 | 113 | 113 | 113 | 57 | 57 | 58 | 115 | 148 | 205 | 205 | 238 | 60 | 60 | 61 |
| Percentage of LongTermDebt | 2.3 | 4.2 | 4.7 | 4.6 | 4.1 | 3.8 | 4.9 | 6.1 | 5.3 | 4.6 | 4.7 | 4.6 | 4.7 | 6.8 | 6.7 | 6.7 | 6.8 | 6.6 | 6.6 | 6.6 | 3.3 | 3.3 | 3.4 | 6.9 | 9.2 | 13.1 | 13.2 | 15.3 | 6.9 | 7.0 | 7.1 |
| Percentage of Assets | 1.1 | 2.0 | 2.1 | 2.1 | 2.0 | 1.9 | 2.1 | 2.7 | 2.5 | 2.3 | 2.3 | 2.2 | 2.2 | 3.3 | 3.2 | 3.2 | 3.2 | 3.1 | 3.1 | 3.1 | 1.5 | 1.5 | 1.5 | 3.0 | 3.9 | 5.5 | 5.3 | 6.0 | 3.5 | 3.5 | 3.5 |
| Percentage of Assets krg:VariableRateDebt us-gaap:Mortgages | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-03-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-09-30 |
| Value | 1115 | 1270 | 1096 | 1096 | 1097 | 1148 | 1278 | 1474 | 1477 | 1588 | 1589 | 1591 | 1648 | 1588 | 1460 | 1524 |
| Percentage of LongTermDebt | 86.5 | 96.6 | 91.7 | 81.5 | 75.8 | 95.8 | 92.9 | 92.0 | 89.5 | 94.5 | 94.9 | 92.1 | 95.2 | 91.3 | 84.4 | 90.7 |
| Percentage of Assets | 41.0 | 46.1 | 41.2 | 39.0 | 37.3 | 42.3 | 43.5 | 46.0 | 43.2 | 44.8 | 44.8 | 43.9 | 44.7 | 42.7 | 39.2 | 39.7 |
| Percentage of Assets krg:FixedRateDebtConsideringHedges | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-03-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 184 | 54 | 105 | 255 | 355 | 56 | 104 | 132 | 174 | 94 | 86 | 136 | 83 | 145 | 263 | 131 | 304 | 398 | 272 | 277 | 273 |
| Percentage of LongTermDebt | 14.3 | 4.2 | 8.8 | 19.0 | 24.6 | 4.7 | 7.6 | 8.3 | 10.6 | 5.6 | 5.2 | 7.9 | 4.8 | 8.4 | 15.2 | 7.8 | 18.8 | 25.4 | 17.5 | 31.7 | 31.4 |
| Percentage of Assets | 6.8 | 2.0 | 4.0 | 9.1 | 12.1 | 2.1 | 3.6 | 4.1 | 5.1 | 2.7 | 2.4 | 3.8 | 2.3 | 3.9 | 7.1 | 3.4 | 8.0 | 10.6 | 6.8 | 15.9 | 15.5 |
| Percentage of Assets krg:VariableRateDebtConsideringHedges | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-29 | 2015-06-28 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 |
| Value | 248 | 248 | 248 | 248 | 248 | 248 | 248 | 248 | 248 | 342 | 342 | 398 | 398 | 398 | 398 | 398 | 398 | 397 | 397 | 397 | 597 | 497 | 500 | 400 | 400 | 230 | 230 | 230 | 230 | 230 | 230 | 230 | 230 | 125 | 125 | 125 | 125 | 125 |
| Percentage of LongTermDebt | 19.3 | 18.9 | 21.2 | 20.8 | 18.4 | 17.2 | 21.6 | 20.7 | 18.0 | 21.4 | 22.2 | 25.3 | 25.5 | 24.1 | 23.4 | 23.7 | 23.8 | 23.0 | 23.0 | 23.0 | 34.3 | 28.7 | 28.8 | 23.8 | 0.0 | 0.0 | 14.7 | 14.8 | 14.8 | 26.3 | 26.4 | 26.8 | 30.9 | 16.7 | 16.7 | 17.9 | 18.4 | 19.2 |
| Percentage of Assets | 9.1 | 9.0 | 9.5 | 9.3 | 8.8 | 8.4 | 9.4 | 9.1 | 8.4 | 10.7 | 10.8 | 12.1 | 12.1 | 11.7 | 11.3 | 11.2 | 11.2 | 11.0 | 10.9 | 10.8 | 16.1 | 13.3 | 13.3 | 10.4 | 0.0 | 0.0 | 6.1 | 5.9 | 5.7 | 13.2 | 13.1 | 13.0 | 16.4 | 8.8 | 9.4 | 9.7 | 10.2 | 10.6 |
| Percentage of Assets us-gaap:UnsecuredDebt | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 | 2009-12-31 |
| Value | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 693000.0 | 692000.0 | 698000.0 | 698000.0 | 698000.0 | 773000.0 | 1008000.0 | 1011000.0 | 3363000.0 | 3364000.0 | 3364000.0 | 3363000.0 | 3555000.0 | 3547700.0 | 3543100.0 | 3541700.0 | 3538400.0 | 3535300.0 | 4783600.0 | 4806400.0 | 4783300.0 | 4250500.0 | 4238700.0 | 4279100.0 | 6914300.0 | 7371200.0 |
| Percentage of MinorityInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 0.3 | 0.3 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.6 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 |
| Value | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 693000.0 | 692000.0 | 698000.0 | 698000.0 | 698000.0 | 773000.0 | 1008000.0 | 1011000.0 | 3363000.0 | 3364000.0 |
| Percentage of MinorityInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 |
| Percentage of Assets krg:KiteRealtyGroupLP | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 |
| Period End | 2020-12-31 |
| Value | 1815000.0 |
| Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo | 100.0 |
| Percentage of Assets | 0.1 |
| Period End | 2020-12-31 |
| Value | 1636000.0 |
| Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree | 100.0 |
| Percentage of Assets | 0.1 |
| Period End | 2020-12-31 |
| Value | 1600000.0 |
| Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour | 100.0 |
| Percentage of Assets | 0.1 |
| Period End | 2020-12-31 |
| Value | 1582000.0 |
| Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive | 100.0 |
| Percentage of Assets | 0.1 |
| Period End | 2020-12-31 |
| Value | 68 |
| Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive | 100.0 |
| Percentage of Assets | 2.6 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 |
| Value | 26 | 26 | 11 | 26 | 26 | 4.585 | 27 | 27 | 27 | 27 | 0.0 |
| Percentage of OperatingLeaseLiability | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 |
| Percentage of Assets | 1.0 | 1.0 | 0.4 | 1.0 | 1.0 | 0.2 | 1.0 | 1.0 | 0.9 | 0.9 | 0.0 |
| Period End | 2020-12-31 |
| Value | 77 |
| Percentage of LesseeOperatingLeaseLiabilityPaymentsDue | 100.0 |
| Percentage of Assets | 3.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 | 2009-12-31 | 2008-12-31 |
| Value | 1213 | 1231 | 1230 | 1242 | 1248 | 1252 | 1289 | 1302 | 1352 | 1386 | 1412 | 1478 | 1499 | 1524 | 1565 | 1584 | 1609 | 1619 | 1643 | 1644 | 1661 | 1689 | 1725 | 1842 | 1866 | 1877 | 1898 | 1932 | 733 | 750 | 753 | 547 | 554 | 461 | 473 | 427 | 429 | 437 | 409 | 409 | 413 | 423 | 375 | 284 |
| Percentage of StockholdersEquity | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 44.6 | 44.7 | 47.2 | 46.7 | 44.4 | 42.7 | 48.7 | 48.0 | 46.1 | 43.3 | 44.5 | 45.0 | 45.4 | 44.6 | 44.6 | 44.7 | 45.3 | 44.7 | 45.0 | 44.6 | 44.7 | 45.3 | 45.8 | 48.0 | 49.2 | 49.9 | 49.0 | 48.2 | 42.0 | 42.6 | 42.7 | 39.0 | 39.2 | 34.7 | 36.7 | 35.0 | 36.4 | 37.2 | 34.3 | 34.5 | 35.5 | 37.3 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 |
| Value | 1213 | 1231 | 1230 | 1242 | 1248 | 1252 | 1289 | 1302 | 1352 | 1386 | 1412 | 1478 | 1499 | 1524 | 1565 | 1584 | 1609 | 1619 | 1643 | 1644 | 1661 | 1689 | 1725 | 1842 | 1866 | 1877 | 1898 |
| Percentage of StockholdersEquity | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 44.6 | 44.7 | 47.2 | 46.7 | 44.4 | 42.7 | 48.7 | 48.0 | 46.1 | 43.3 | 44.5 | 45.0 | 45.4 | 44.6 | 44.6 | 44.7 | 45.3 | 44.7 | 45.0 | 44.6 | 44.7 | 45.3 | 45.8 | 48.0 | 49.2 | 49.9 | 49.0 |
| Percentage of Assets krg:KiteRealtyGroupLP | 44.6 | 44.7 | 47.2 | 46.7 | 44.4 | 42.7 | 48.7 | 48.0 | 46.1 | 43.3 | 44.5 | 45.0 | 45.4 | 44.6 | 44.6 | 44.7 | 45.3 | 44.7 | 45.0 | 44.6 | 44.7 | 45.3 | 45.8 | 48.0 | 49.2 | 49.9 | 49.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 | 2009-12-31 | 2008-12-31 |
| Value | -24.354 | -24.348 | -30.885 | -32.977 | -34.03 | -32.45 | -16.283 | -20.209 | -15.892 | -8.427 | -3.497 | 5.7 | 5.649 | 5.147 | 2.99 | 1.05 | 0.736 | 1.146 | -0.316 | -8.738 | -11.85 | -9.29 | -2.145 | -6.209 | -2.809 | -4.339 | -1.175 | 1.151 | -1.425 | 0.686 | 1.35285 | -0.228163 | 0.804784 | -4.656645 | -5.258543 | -5.609383 | -4.228292 | -1.439098 | -1.524095 | -1.547036 | -1.371962 | -2.9001 | -5.802406 | -7.739154 |
| Percentage of StockholdersEquity | -2.0 | -2.0 | -2.5 | -2.7 | -2.7 | -2.6 | -1.3 | -1.6 | -1.2 | -0.6 | -0.2 | 0.4 | 0.4 | 0.3 | 0.2 | 0.1 | 0.0 | 0.1 | -0.0 | -0.5 | -0.7 | -0.5 | -0.1 | -0.3 | -0.2 | -0.2 | -0.1 | 0.1 | -0.2 | 0.1 | 0.2 | -0.0 | 0.1 | -1.0 | -1.1 | -1.3 | -1.0 | -0.3 | -0.4 | -0.4 | -0.3 | -0.7 | -1.5 | -2.7 |
| Percentage of Assets | -0.9 | -0.9 | -1.2 | -1.2 | -1.2 | -1.1 | -0.6 | -0.7 | -0.5 | -0.3 | -0.1 | 0.2 | 0.2 | 0.2 | 0.1 | 0.0 | 0.0 | 0.0 | -0.0 | -0.2 | -0.3 | -0.2 | -0.1 | -0.2 | -0.1 | -0.1 | -0.0 | 0.0 | -0.1 | 0.0 | 0.1 | -0.0 | 0.1 | -0.4 | -0.4 | -0.5 | -0.4 | -0.1 | -0.1 | -0.1 | -0.1 | -0.3 | 0.0 | 0.0 |
| Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 | 2009-12-31 | 2008-12-31 |
| Value | 2064 | 2068 | 2085 | 2084 | 2083 | 2081 | 2074 | 2080 | 2079 | 2078 | 2078 | 2076 | 2075 | 2073 | 2071 | 2068 | 2067 | 2062 | 2062 | 2049 | 2043 | 2044 | 2050 | 2050 | 2049 | 2043 | 2044 | 2059 | 824 | 825 | 821 | 608 | 607 | 505 | 513 | 457 | 450 | 449 | 449 | 449 | 448 | 448 | 449 | 343 |
| Percentage of StockholdersEquity | 170.1 | 167.9 | 169.4 | 167.9 | 166.9 | 166.1 | 160.9 | 159.7 | 153.8 | 149.8 | 147.1 | 140.5 | 138.4 | 136.0 | 132.3 | 130.5 | 128.5 | 127.3 | 125.5 | 124.6 | 123.0 | 121.0 | 118.8 | 111.3 | 109.8 | 108.9 | 107.7 | 106.6 | 112.4 | 110.0 | 109.0 | 111.0 | 109.5 | 109.6 | 108.5 | 106.9 | 104.9 | 102.7 | 109.9 | 109.7 | 108.5 | 106.1 | 119.9 | 120.6 |
| Percentage of Assets | 75.9 | 75.1 | 79.9 | 78.4 | 74.1 | 70.9 | 78.3 | 76.6 | 70.8 | 64.9 | 65.5 | 63.2 | 62.8 | 60.6 | 59.0 | 58.4 | 58.2 | 56.9 | 56.4 | 55.5 | 55.0 | 54.8 | 54.4 | 53.4 | 54.0 | 54.4 | 52.8 | 51.4 | 47.2 | 46.9 | 46.6 | 43.3 | 43.0 | 38.0 | 39.8 | 37.5 | 38.2 | 38.2 | 37.7 | 37.9 | 38.5 | 39.6 | 0.0 | 0.0 |
| Percentage of Assets us-gaap:AdditionalPaidInCapital | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 | 2009-12-31 | 2008-12-31 |
| Value | 0.845 | 0.845 | 0.842 | 0.842 | 0.842 | 0.841 | 0.84 | 0.84 | 0.84 | 0.839 | 0.838 | 0.837 | 0.837 | 0.837 | 0.836 | 0.836 | 0.836 | 0.836 | 0.835 | 0.835 | 0.834 | 0.834 | 0.833 | 0.833 | 0.833 | 0.836 | 0.835 | 0.835 | 1.316 | 1.315 | 1.308262 | 0.938562 | 0.937491 | 0.778964 | 0.777287 | 0.656042 | 0.640808 | 0.639467 | 0.63617 | 0.63607 | 0.635767 | 0.633422 | 0.630621 | 0.341812 |
| Percentage of StockholdersEquity | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.1 | 0.2 | 0.1 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 |
| Percentage of Assets us-gaap:CommonStock | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 | 2009-12-31 | 2008-12-31 |
| Value | -827.326 | -812.721 | -824.306 | -810.776 | -801.809 | -797.04 | -769.955 | -758.558 | -712.153 | -683.692 | -662.735 | -604.917 | -582.245 | -554.313 | -509.833 | -485.598 | -459.689 | -444.582 | -419.305 | -397.391 | -371.69 | -345.822 | -323.257 | -305.902 | -283.607 | -265.512 | -247.801 | -231.203 | -193.105 | -179.461 | -173.130113 | -163.621202 | -157.13202 | -142.800208 | -138.044264 | -126.913745 | -119.938104 | -113.374751 | -109.504068 | -108.744484 | -104.284327 | -93.447581 | -69.613763 | -51.276059 |
| Percentage of StockholdersEquity | -68.2 | -66.0 | -67.0 | -65.3 | -64.2 | -63.6 | -59.7 | -58.3 | -52.6 | -49.3 | -46.9 | -40.9 | -38.8 | -36.3 | -32.6 | -30.6 | -28.6 | -27.5 | -25.5 | -24.2 | -22.4 | -20.5 | -18.7 | -16.6 | -15.2 | -14.1 | -13.1 | -12.0 | -26.3 | -23.9 | -23.0 | -29.9 | -28.3 | -31.0 | -29.2 | -29.7 | -27.9 | -25.9 | -26.7 | -26.5 | -25.2 | -22.1 | -18.6 | -18.0 |
| Percentage of Assets | -30.4 | -29.5 | -31.6 | -30.5 | -28.5 | -27.1 | -29.1 | -28.0 | -24.3 | -21.3 | -20.9 | -18.4 | -17.6 | -16.2 | -14.5 | -13.7 | -12.9 | -12.3 | -11.5 | -10.8 | -10.0 | -9.3 | -8.6 | -8.0 | -7.5 | -7.1 | -6.4 | -5.8 | -11.1 | -10.2 | -9.8 | -11.7 | -11.1 | -10.7 | -10.7 | -10.4 | -10.2 | -9.6 | -9.2 | -9.2 | -9.0 | -8.2 | 0.0 | 0.0 |
| Percentage of Assets us-gaap:RetainedEarnings | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 |
| Value | 1214 | 1232 | 1231 | 1242 | 1248 | 1253 | 1289 | 1302 | 1353 | 1387 | 1413 | 1478 | 1500 | 1525 | 1566 | 1585 | 1610 | 1620 | 1644 | 1645 | 1661 | 1690 | 1726 | 1843 | 1867 | 1880 | 1902 | 1935 | 736 | 753 | 757 | 551 | 557 | 464 | 476 | 432 | 433 | 442 | 413 | 414 | 418 | 429 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 44.7 | 44.7 | 47.2 | 46.8 | 44.4 | 42.7 | 48.7 | 48.0 | 46.1 | 43.3 | 44.6 | 45.0 | 45.4 | 44.6 | 44.6 | 44.7 | 45.4 | 44.7 | 45.0 | 44.6 | 44.7 | 45.3 | 45.9 | 48.0 | 49.2 | 50.0 | 49.1 | 48.3 | 42.2 | 42.8 | 42.9 | 39.3 | 39.5 | 35.0 | 37.0 | 35.4 | 36.8 | 37.6 | 34.7 | 34.9 | 35.9 | 38.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 |
| Value | 1214 | 1232 | 1231 | 1242 | 1248 | 1253 | 1289 | 1302 | 1353 | 1387 | 1413 | 1478 | 1500 | 1525 | 1566 | 1585 | 1610 | 1620 | 1644 | 1645 | 1661 | 1690 | 1726 | 1843 | 1867 | 1880 | 1902 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 44.7 | 44.7 | 47.2 | 46.8 | 44.4 | 42.7 | 48.7 | 48.0 | 46.1 | 43.3 | 44.6 | 45.0 | 45.4 | 44.6 | 44.6 | 44.7 | 45.4 | 44.7 | 45.0 | 44.6 | 44.7 | 45.3 | 45.9 | 48.0 | 49.2 | 50.0 | 49.1 |
| Percentage of Assets krg:KiteRealtyGroupLP | 44.7 | 44.7 | 47.2 | 46.8 | 44.4 | 42.7 | 48.7 | 48.0 | 46.1 | 43.3 | 44.6 | 45.0 | 45.4 | 44.6 | 44.6 | 44.7 | 45.4 | 44.7 | 45.0 | 44.6 | 44.7 | 45.3 | 45.9 | 48.0 | 49.2 | 50.0 | 49.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 |
| Value | 0.845 | 0.845 | 0.842 | 0.842 | 0.842 | 0.841 | 0.84 | 0.84 | 0.84 | 0.839 | 0.838 | 0.837 | 0.837 | 0.837 | 0.836 | 0.836 | 0.836 | 0.836 | 0.835 | 0.835 | 0.834 | 0.834 | 0.833 | 0.833 | 0.833 | 0.836 | 0.835 | 0.835 | 1.316 | 1.315 | 1.308262 | 0.938562 | 0.937491 | 0.778964 | 0.777287 | 0.656042 | 0.640808 | 0.639467 | 0.63617 | 0.63607 | 0.635767 | 0.633422 |
| Percentage of CommonStockValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 |
| Value | 1237 | 1256 | 1261 | 1275 | 1282 | 1285 | 1305 | 1322 | 1368 | 1395 | 1416 | 1472 | 1493 | 1519 | 1562 | 1583 | 1608 | 1618 | 1643 | 1653 | 1672 | 1699 | 1728 | 1745 | 1766 | 1779 | 1797 |
| Percentage of CommonStockValue | 146488.6 | 148665.0 | 149826.5 | 151430.4 | 152285.6 | 152827.7 | 155395.4 | 157425.7 | 162923.2 | 166299.3 | 168997.9 | 175922.6 | 178468.7 | 181581.8 | 186892.5 | 189458.6 | 192457.2 | 193580.7 | 196873.1 | 197981.6 | 200582.6 | 203750.4 | 207457.5 | 209585.4 | 212048.4 | 212806.7 | 215264.6 |
| Percentage of Assets | 45.5 | 45.6 | 48.4 | 48.0 | 45.6 | 43.8 | 49.3 | 48.7 | 46.6 | 43.6 | 44.6 | 44.8 | 45.2 | 44.5 | 44.5 | 44.7 | 45.3 | 44.7 | 45.0 | 44.8 | 45.0 | 45.6 | 45.9 | 45.5 | 46.5 | 47.3 | 46.4 |
| Percentage of Assets krg:KiteRealtyGroupLP | 45.5 | 45.6 | 48.4 | 48.0 | 45.6 | 43.8 | 49.3 | 48.7 | 46.6 | 43.6 | 44.6 | 44.8 | 45.2 | 44.5 | 44.5 | 44.7 | 45.3 | 44.7 | 45.0 | 44.8 | 45.0 | 45.6 | 45.9 | 45.5 | 46.5 | 47.3 | 46.4 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 |
| Value | 2064 | 2068 | 2085 | 2084 | 2083 | 2081 | 2074 | 2080 | 2079 | 2078 | 2078 | 2076 | 2075 | 2073 | 2071 | 2068 | 2067 | 2062 | 2062 | 2049 | 2043 | 2044 | 2050 | 2050 | 2049 | 2043 | 2044 | 2059 | 824 | 825 | 821 | 608 | 607 | 505 | 513 | 457 | 450 | 449 | 449 | 449 | 448 | 448 |
| Percentage of AdditionalPaidInCapital | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 75.9 | 75.1 | 79.9 | 78.4 | 74.1 | 70.9 | 78.3 | 76.6 | 70.8 | 64.9 | 65.5 | 63.2 | 62.8 | 60.6 | 59.0 | 58.4 | 58.2 | 56.9 | 56.4 | 55.5 | 55.0 | 54.8 | 54.4 | 53.4 | 54.0 | 54.4 | 52.8 | 51.4 | 47.2 | 46.9 | 46.6 | 43.3 | 43.0 | 38.0 | 39.8 | 37.5 | 38.2 | 38.2 | 37.7 | 37.9 | 38.5 | 39.6 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 |
| Value | -827330000.0 | -812720000.0 | -824310000.0 | -810780000.0 | -801810000.0 | -797040000.0 | -769960000.0 | -758560000.0 | -712150000.0 | -683690000.0 | -662740000.0 | -604920000.0 | -582240000.0 | -554310000.0 | -509830000.0 | -485600000.0 | -459690000.0 | -444580000.0 | -419300000.0 | -397390000.0 | -371690000.0 | -345820000.0 | -323260000.0 | -305900000.0 | -283610000.0 | -265510000.0 | -247800000.0 | -231200000.0 | -193100000.0 | -179460000.0 | -173130000.0 | -163620000.0 | -157130000.0 | -142800000.0 | -138040000.0 | -126910000.0 | -119940000.0 | -113370000.0 | -109500000.0 | -108740000.0 | -104280000.0 | -93448000.0 |
| Percentage of RetainedEarningsAccumulatedDeficit | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | -30.4 | -29.5 | -31.6 | -30.5 | -28.5 | -27.1 | -29.1 | -28.0 | -24.3 | -21.3 | -20.9 | -18.4 | -17.6 | -16.2 | -14.5 | -13.7 | -12.9 | -12.3 | -11.5 | -10.8 | -10.0 | -9.3 | -8.6 | -8.0 | -7.5 | -7.1 | -6.4 | -5.8 | -11.1 | -10.2 | -9.8 | -11.7 | -11.1 | -10.7 | -10.7 | -10.4 | -10.2 | -9.6 | -9.2 | -9.2 | -9.0 | -8.2 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 |
| Value | -24354000.0 | -24348000.0 | -30885000.0 | -32977000.0 | -34030000.0 | -32450000.0 | -16283000.0 | -20209000.0 | -15892000.0 | -8427000.0 | -3497000.0 | 5700000.0 | 5649000.0 | 5147000.0 | 2990000.0 | 1050000.0 | 736000.0 | 1146000.0 | -316000.0 | -8738000.0 | -11850000.0 | -9290000.0 | -2145000.0 | -6209000.0 | -2809000.0 | -4339000.0 | -1175000.0 | 1151000.0 | -1425000.0 | 686000.0 | 1352800.0 | -228160.0 | 804780.0 | -4656600.0 | -5258500.0 | -5609400.0 | -4228300.0 | -1439100.0 | -1524100.0 | -1547000.0 | -1372000.0 | -2900100.0 |
| Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | -0.9 | -0.9 | -1.2 | -1.2 | -1.2 | -1.1 | -0.6 | -0.7 | -0.5 | -0.3 | -0.1 | 0.2 | 0.2 | 0.2 | 0.1 | 0.0 | 0.0 | 0.0 | -0.0 | -0.2 | -0.3 | -0.2 | -0.1 | -0.2 | -0.1 | -0.1 | -0.0 | 0.0 | -0.1 | 0.0 | 0.1 | -0.0 | 0.1 | -0.4 | -0.4 | -0.5 | -0.4 | -0.1 | -0.1 | -0.1 | -0.1 | -0.3 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 |
| Value | -24354000.0 | -24348000.0 | -30885000.0 | -32977000.0 | -34030000.0 | -32450000.0 | -16283000.0 | -20209000.0 | -15892000.0 | -8427000.0 | -3497000.0 | 5700000.0 | 5649000.0 | 5147000.0 | 2990000.0 | 1050000.0 | 736000.0 | 1146000.0 | -316000.0 | -8738000.0 | -11850000.0 | -9290000.0 | -2145000.0 | -6209000.0 | -2809000.0 | -4339000.0 | -1175000.0 |
| Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | -0.9 | -0.9 | -1.2 | -1.2 | -1.2 | -1.1 | -0.6 | -0.7 | -0.5 | -0.3 | -0.1 | 0.2 | 0.2 | 0.2 | 0.1 | 0.0 | 0.0 | 0.0 | -0.0 | -0.2 | -0.3 | -0.2 | -0.1 | -0.2 | -0.1 | -0.1 | -0.0 |
| Percentage of Assets krg:KiteRealtyGroupLP | -0.9 | -0.9 | -1.2 | -1.2 | -1.2 | -1.1 | -0.6 | -0.7 | -0.5 | -0.3 | -0.1 | 0.2 | 0.2 | 0.2 | 0.1 | 0.0 | 0.0 | 0.0 | -0.0 | -0.2 | -0.3 | -0.2 | -0.1 | -0.2 | -0.1 | -0.1 | -0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 | 2009-12-31 |
| Value | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 693000.0 | 692000.0 | 698000.0 | 698000.0 | 698000.0 | 773000.0 | 1008000.0 | 1011000.0 | 3363000.0 | 3364000.0 | 3364000.0 | 3363000.0 | 3555000.0 | 3547700.0 | 3543100.0 | 3541700.0 | 3538400.0 | 3535300.0 | 4783600.0 | 4806400.0 | 4783300.0 | 4250500.0 | 4238700.0 | 4279100.0 | 6914300.0 | 7371200.0 |
| Percentage of MinorityInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 0.3 | 0.3 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.6 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 |
| Value | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 698000.0 | 693000.0 | 692000.0 | 698000.0 | 698000.0 | 698000.0 | 773000.0 | 1008000.0 | 1011000.0 | 3363000.0 | 3364000.0 |
| Percentage of MinorityInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 |
| Percentage of Assets krg:KiteRealtyGroupLP | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 |
| Value | 554000.0 | 511000.0 | 311000.0 | 248000.0 | 132000.0 | 842000.0 | 803000.0 | 0 | 1593000.0 | 795000.0 | 845000.0 | 935000.0 | 1000000.0 | 1008000.0 | 1056000.0 | 1033000.0 | 1033000.0 | 1033000.0 | 1020000.0 | 990000.0 | 991000.0 | 992000.0 | 963000.0 | 898000.0 | 906000.0 | 1006000.0 | 1075000.0 | 1083000.0 | 431000.0 | 432000.0 | 398750.0 | 403430.0 | 403790.0 | 381460.0 | 404300.0 | 2282300.0 | -1409000.0 | 470130.0 | 470550.0 | 2354900.0 |
| Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of Assets krg:RedeemableNoncontrollingInterests | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 |
| Value | 36 | 31 | 9.752 | 35 | 27 | 21 | 31 | 36 | 37 | 32 | 35 | 36 | 45 | 36 | 31 | 40 | 45 | 35 | 34 | 39 | 48 | 32 | 31 | 51 | 40 | 45 | 31 | -12.246 | 16 | 6.459 | 15 | 11 | 12 | 12 | 2.562017 | 9.546991 | 5.817075 | 5.34627 | 11 | 5.895029 | 8.98053 | 6.026065 | 5.700337 | 10 |
| Percentage of NetCashProvidedByUsedInOperatingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 51.9 | 45.1 | 14.3 | 55.2 | 44.2 | 31.3 | 42.2 | 48.7 | 45.8 | 38.7 | 40.7 | 43.1 | 49.9 | 40.4 | 35.5 | 47.0 | 49.1 | 39.5 | 38.5 | 44.6 | 55.4 | 36.6 | 35.3 | 59.6 | 48.7 | 51.9 | 36.1 | -13.8 | 40.0 | 15.1 | 41.9 | 36.8 | 41.4 | 40.8 | 9.6 | 37.8 | 24.0 | 21.5 | 46.1 | 25.2 | 38.3 | 26.7 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 36 | 31 | 9.752 | 35 | 27 | 21 | 31 | 36 | 37 | 32 | 35 | 36 | 45 | 36 | 31 | 40 | 45 | 35 | 34 | 39 | 48 | 32 | 31 | 51 | 40 | 45 | 31 | -12.246 | 16 | 6.459 |
| Percentage of NetCashProvidedByUsedInOperatingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 101.2 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 51.9 | 45.1 | 14.3 | 55.2 | 44.2 | 31.3 | 42.2 | 48.7 | 45.8 | 38.7 | 40.7 | 43.1 | 49.9 | 40.4 | 35.5 | 47.0 | 49.1 | 39.5 | 38.5 | 44.6 | 55.4 | 36.6 | 35.3 | 59.6 | 48.7 | 51.9 | 36.6 | -13.8 | 40.0 | 15.1 |
| Percentage of Revenues krg:KiteRealtyGroupLP | 51.9 | 45.1 | 14.3 | 55.2 | 44.2 | 31.3 | 42.3 | 48.7 | 45.8 | 38.7 | 40.7 | 43.1 | 49.9 | 40.4 | 35.5 | 47.0 | 49.1 | 39.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 |
| Value | -133.348 | 33 | -64.907 | 4.685 | -13.524 | -7.094 | 52 | 166 | 226 | -29.7 | 44 | -14.54 | 71 | 46 | -23.176 | -16.481 | 38 | 1.392 | -15.565 | -22.248 | -20.259 | -24.585 | 28 | -95.974 | -121.629 | 104 | 97 | 102 | -17.7 | 4.212 | -331.460183 | -29.315058 | -104.476772 | -49.646977 | -55.459683 | -22.875079 | -11.684962 | 18 | -17.860453 | -20.347629 | -27.023001 | -21.307924 | -7.300397 | -10.154312 |
| Percentage of NetCashProvidedByUsedInInvestingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -191.8 | 48.8 | -94.9 | 7.2 | -21.4 | -10.1 | 70.2 | 222.7 | 278.1 | -35.6 | 51.5 | -17.0 | 78.2 | 51.7 | -26.1 | -18.9 | 41.2 | 1.5 | -17.5 | -25.0 | -23.1 | -27.8 | 32.2 | -110.1 | -145.3 | 120.3 | 111.8 | 115.9 | -43.3 | 9.9 | -921.3 | -90.1 | -349.2 | -160.0 | -207.5 | -90.5 | -48.2 | 74.1 | -72.7 | -86.8 | -115.2 | -94.4 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | -133.348 | 33 | -64.907 | 4.685 | -13.524 | -7.094 | 52 | 166 | 226 | -29.7 | 44 | -14.54 | 71 | 46 | -23.176 | -16.481 | 38 | 1.392 | -15.565 | -22.248 | -20.259 | -24.585 | 28 | -95.974 | -121.629 | 104 | 97 | 102 | -17.7 | 4.212 |
| Percentage of NetCashProvidedByUsedInInvestingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -191.8 | 48.8 | -94.9 | 7.2 | -21.4 | -10.1 | 70.2 | 222.7 | 278.1 | -35.6 | 51.5 | -17.0 | 78.2 | 51.7 | -26.1 | -18.9 | 41.2 | 1.5 | -17.5 | -25.0 | -23.1 | -27.8 | 32.2 | -110.1 | -145.3 | 120.3 | 111.8 | 115.9 | -43.3 | 9.9 |
| Percentage of Revenues krg:KiteRealtyGroupLP | -191.8 | 48.8 | -94.9 | 7.2 | -21.4 | -10.1 | 70.2 | 222.7 | 278.1 | -35.6 | 51.5 | -17.0 | 78.2 | 51.7 | -26.1 | -18.9 | 41.2 | 1.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 |
| Value | -41.196 | 120 | -35.576 | -155.103 | -128.263 | 298 | -81.793 | -212.918 | -256.372 | 3.834 | -75.598 | -24.772 | -112.755 | -76.261 | -16.768 | -19.687 | -78.657 | -34.212 | -27.581 | -26.622 | -13.705 | -18.374 | -69.361 | 16 | 24 | -66.596 | -116.764 | -81.817 | -7.903 | 3.071 | 322 | 16 | 90 | 39 | 55 | 14 | -1.402838 | -18.216337 | 7.33615 | 16 | 17 | 8.024128 | 4.270493 | 2.080595 |
| Percentage of NetCashProvidedByUsedInFinancingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -59.2 | 174.1 | -52.0 | -238.4 | -202.6 | 426.3 | -108.7 | -284.1 | -314.6 | 4.6 | -87.0 | -28.9 | -122.9 | -85.0 | -18.9 | -22.6 | -84.9 | -38.0 | -31.0 | -29.9 | -15.6 | -20.7 | -77.7 | 19.4 | 28.9 | -76.7 | -133.5 | -92.4 | -19.3 | 7.2 | 896.1 | 50.3 | 302.6 | 126.2 | 207.5 | 59.2 | -5.8 | -73.4 | 29.9 | 68.7 | 74.6 | 35.6 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | -41.196 | 120 | -35.576 | -155.103 | -128.263 | 298 | -81.793 | -212.918 | -256.372 | 3.834 | -75.598 | -24.772 | -112.755 | -76.261 | -16.768 | -19.687 | -78.657 | -34.212 | -27.581 | -26.622 | -13.705 | -18.374 | -69.361 | 16 | 24 | -66.596 | -117.142 | -81.817 | -7.903 | 3.071 |
| Percentage of NetCashProvidedByUsedInFinancingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.3 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -59.2 | 174.1 | -52.0 | -238.4 | -202.6 | 426.3 | -108.7 | -284.1 | -314.6 | 4.6 | -87.0 | -28.9 | -122.9 | -85.0 | -18.9 | -22.6 | -84.9 | -38.0 | -31.0 | -29.9 | -15.6 | -20.7 | -77.7 | 19.4 | 28.9 | -76.7 | -134.0 | -92.4 | -19.3 | 7.2 |
| Percentage of Revenues krg:KiteRealtyGroupLP | -59.2 | 174.1 | -52.0 | -238.4 | -202.6 | 426.3 | -108.7 | -284.1 | -314.6 | 4.6 | -87.0 | -28.9 | -122.9 | -85.0 | -18.9 | -22.6 | -84.9 | -38.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | -138.45 | 185 | -90.731 | -114.493 | -113.822 | 312 | 2.823 | -9.544 | 7.584 | 6.444 | 4.49 | -2.316 | 4.784 | 6.372 | -9.167 | 4.991 |
| Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -199.1 | 268.0 | -132.7 | -176.0 | -179.8 | 447.4 | 3.8 | -12.7 | 9.3 | 7.7 | 5.2 | -2.7 | 5.2 | 7.1 | -10.3 | 5.7 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | -138.45 | 185 | -90.731 | -114.493 | -113.822 | 312 | 2.823 | -9.544 | 7.584 | 6.444 | 4.49 | -2.316 | 4.784 | 6.372 | -9.167 | 4.991 |
| Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -199.1 | 268.0 | -132.7 | -176.0 | -179.8 | 447.4 | 3.8 | -12.7 | 9.3 | 7.7 | 5.2 | -2.7 | 5.2 | 7.1 | -10.3 | 5.7 |
| Percentage of Revenues krg:KiteRealtyGroupLP | -199.1 | 268.0 | -132.7 | -176.0 | -179.8 | 447.4 | 3.8 | -12.7 | 9.3 | 7.7 | 5.2 | -2.7 | 5.2 | 7.1 | -10.3 | 5.7 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 |
| Value | 652000.0 | 578000.0 | 495000.0 | 468000.0 | 590000.0 | 582000.0 | 634000.0 | 614000.0 | 845000.0 | 669000.0 | 1724000.0 | 662000.0 | 898000.0 | 660000.0 | 520000.0 | 664000.0 | 668000.0 | 682000.0 | 777000.0 | 1200000.0 | 796000.0 | 835000.0 | 825000.0 | 746000.0 | 738000.0 | 900000.0 | 952000.0 | 853000.0 | 538000.0 | 521000.0 | 511000.0 |
| Percentage of AmortizationOfFinancingCosts | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 |
| Value | 29 | 30 | 31 | 33 | 31 | 31 | 30 | 31 | 34 | 34 | 36 | 36 | 40 | 38 | 40 | 42 | 42 | 45 | 42 | 45 | 43 | 42 | 43 | 42 | 41 | 40 | 39 | 44 | 19 | 17 | 13 | 15 | 14 | 11 | 9.651591 | 11 | 10 | 9.728392 | 9.20167 | 8.797064 | 9.893224 | 9.000842 | 9.290845 | 10 | 12 |
| Percentage of DepreciationDepletionAndAmortization | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 29 | 30 | 31 | 33 | 31 | 31 | 30 | 31 | 34 | 34 | 36 | 36 | 40 | 38 | 40 | 42 | 42 | 45 | 42 | 45 | 43 | 42 | 43 | 42 | 41 | 40 | 39 | 44 | 19 | 17 |
| Percentage of DepreciationDepletionAndAmortization | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 |
| Value | 36 | 31 | 9.752 | 35 | 27 | 21 | 31 | 36 | 37 | 32 | 35 | 36 | 45 | 36 | 31 | 40 | 45 | 35 | 34 | 39 | 48 | 32 | 31 | 51 | 40 | 45 | 31 | -12.246 | 16 | 6.459 | 15 | 11 | 12 | 12 | 2.562017 | 9.546991 | 5.817075 | 5.34627 | 11 | 5.895029 | 8.98053 | 6.026065 | 5.700337 | 10 |
| Percentage of NetCashProvidedByUsedInOperatingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 51.9 | 45.1 | 14.3 | 55.2 | 44.2 | 31.3 | 42.2 | 48.7 | 45.8 | 38.7 | 40.7 | 43.1 | 49.9 | 40.4 | 35.5 | 47.0 | 49.1 | 39.5 | 38.5 | 44.6 | 55.4 | 36.6 | 35.3 | 59.6 | 48.7 | 51.9 | 36.1 | -13.8 | 40.0 | 15.1 | 41.9 | 36.8 | 41.4 | 40.8 | 9.6 | 37.8 | 24.0 | 21.5 | 46.1 | 25.2 | 38.3 | 26.7 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 36 | 31 | 9.752 | 35 | 27 | 21 | 31 | 36 | 37 | 32 | 35 | 36 | 45 | 36 | 31 | 40 | 45 | 35 | 34 | 39 | 48 | 32 | 31 | 51 | 40 | 45 | 31 | -12.246 | 16 | 6.459 |
| Percentage of NetCashProvidedByUsedInOperatingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 101.2 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | 51.9 | 45.1 | 14.3 | 55.2 | 44.2 | 31.3 | 42.2 | 48.7 | 45.8 | 38.7 | 40.7 | 43.1 | 49.9 | 40.4 | 35.5 | 47.0 | 49.1 | 39.5 | 38.5 | 44.6 | 55.4 | 36.6 | 35.3 | 59.6 | 48.7 | 51.9 | 36.6 | -13.8 | 40.0 | 15.1 |
| Percentage of Revenues krg:KiteRealtyGroupLP | 51.9 | 45.1 | 14.3 | 55.2 | 44.2 | 31.3 | 42.3 | 48.7 | 45.8 | 38.7 | 40.7 | 43.1 | 49.9 | 40.4 | 35.5 | 47.0 | 49.1 | 39.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 |
| Value | -0.242 | 24 | -4.587 | -4.769 | -0.074 | -19.735 | -1.796 | 5.715 | -31.221 | 3.938 | -1.366 | -17.917 | 2.309 | -0.621 | 10 | 0.005 | 3.359 | -1.682 | -1.895 | 1.402 | 10 | 2.526 | 6.727 | 7.179 | 7.227 | -14.284 | -2.976 | 4.332 | 0.454906 | 1.25625 | -6.592804 | 2.031914 | -4.352852 | -0.924097 | -0.603637 | 1.546739 | 4.501312 | 0.800166 | 0.386613 | -0.706817 | -0.785641 | -2.389954 | -4.020555 |
| Percentage of NetIncomeLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -0.3 | 35.4 | -7.0 | -7.5 | -0.1 | -26.3 | -2.2 | 6.8 | -35.9 | 4.6 | -1.5 | -20.0 | 2.6 | -0.7 | 11.0 | 0.0 | 3.8 | -1.9 | -2.2 | 1.6 | 12.0 | 2.9 | 8.0 | 8.3 | 8.3 | -16.1 | -7.3 | 10.2 | 1.3 | 3.9 | -22.0 | 6.5 | -16.3 | -3.7 | -2.5 | 6.2 | 18.3 | 3.4 | 1.6 | -3.1 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2020-06-30 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 |
| Value | -0.227 | -4.918 | 6.888 | 2.527 | 6.726 | 7.179 |
| Percentage of NetIncomeLoss | 93.8 | 103.1 | 64.5 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -0.3 | -7.8 | 7.7 | 2.9 | 8.0 | 8.3 |
| Percentage of Revenues krg:KiteRealtyGroupLP | -0.3 | -7.8 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 |
| Value | -0.242 | 24 | -4.587 | -4.769 | -0.074 | -19.735 | -1.796 | 5.715 | -31.221 | 3.938 | -1.366 | -17.917 | 2.309 | -0.621 | 10 | 0.005 | 3.359 | -1.682 | -1.896 | 1.402 | 10 | 2.527 | 6.726 | 7.179 | 7.227 | -14.284 | -2.976 | 4.332 | 0.454906 | 1.256249 | -6.592804 | 2.031914 | -4.352852 | -0.924096 | -0.603638 | 1.546739 | 4.501312 | 0.800166 |
| Percentage of NetIncomeLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.1 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -0.3 | 35.4 | -7.0 | -7.5 | -0.1 | -26.3 | -2.2 | 6.8 | -35.9 | 4.6 | -1.5 | -20.0 | 2.6 | -0.7 | 11.0 | 0.0 | 3.8 | -1.9 | -2.2 | 1.6 | 12.0 | 2.9 | 8.0 | 8.3 | 8.3 | -16.1 | -7.3 | 10.2 | 1.3 | 3.9 | -22.0 | 6.5 | -16.3 | -3.7 | -2.5 | 6.2 | 18.3 | 3.4 |
| Percentage of Revenues us-gaap:RetainedEarnings | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 |
| Value | -0.095 | 25 | -6.842 | -4.627 | -4.786 | 0.13 | 15 | -20.117 | -1.697 | 5.988 | -31.709 | 4.317 | -1.062 | -17.997 | 2.795 | -0.204 | 10 | 0.437 | 3.9 | -1.262 | -1.496 | 1.975 | 11 | 2.961 | 7.235 | 7.862 | 8.029 | -13.98 | -3.196 | 4.471 | 0.420712 | 1.241076 | -7.253813 | 2.056768 | -5.23738 | -1.236305 | -0.874858 | 3.643759 | 4.915746 | 0.742235 | 0.104068 | -0.777311 | -0.859868 | -2.644975 | -4.550173 |
| Percentage of ProfitLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -0.1 | 36.5 | -10.0 | -7.1 | -7.6 | 0.2 | 21.1 | -26.8 | -2.1 | 7.2 | -36.5 | 5.0 | -1.2 | -20.0 | 3.1 | -0.2 | 11.7 | 0.5 | 4.4 | -1.4 | -1.7 | 2.2 | 12.6 | 3.4 | 8.6 | 9.1 | 9.2 | -15.8 | -7.8 | 10.5 | 1.2 | 3.8 | -24.2 | 6.6 | -19.6 | -4.9 | -3.6 | 14.7 | 20.0 | 3.2 | 0.4 | -3.4 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | -0.095 | 25 | -6.842 | -4.627 | -4.786 | 0.13 | 15 | -20.117 | -1.697 | 5.988 | -31.709 | 4.317 | -1.062 | -17.997 | 2.795 | -0.204 | 10 | 0.437 | 3.901 | -1.262 | -1.496 | 1.975 | 11 | 2.961 | 7.235 | 7.862 | 8.028 | -13.98 | -3.196 | 4.471 |
| Percentage of ProfitLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 99.8 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -0.1 | 36.5 | -10.0 | -7.1 | -7.6 | 0.2 | 21.0 | -26.8 | -2.1 | 7.2 | -36.5 | 5.0 | -1.2 | -20.0 | 3.1 | -0.2 | 11.7 | 0.5 | 4.4 | -1.4 | -1.7 | 2.2 | 12.6 | 3.4 | 8.6 | 9.1 | 9.2 | -15.8 | -7.8 | 10.5 |
| Percentage of Revenues krg:KiteRealtyGroupLP | -0.1 | 36.5 | -10.0 | -7.1 | -7.6 | 0.2 | 21.0 | -26.8 | -2.1 | 7.2 | -36.5 | 5.0 | -1.2 | -20.0 | 3.1 | -0.2 | 11.7 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 |
| Value | 1885000.0 | 1702000.0 | 1823000.0 | 1589000.0 | 1562000.0 | 1024000.0 | 1359000.0 | 1311000.0 | 1422000.0 | 1283000.0 | 854000.0 | 994000.0 | 1382000.0 | 1639000.0 | 1118000.0 | 1747000.0 | 1570000.0 | 1552000.0 | 1282000.0 | 1359000.0 | 1332000.0 | 1241000.0 | 1341000.0 | 1150000.0 | 1028000.0 | 1061000.0 | 1200000.0 | 984000.0 | 274000.0 | 78000.0 | 626370.0 | 579440.0 | 268430.0 | 196220.0 | 186260.0 | 172200.0 | 120800.0 | 123130.0 | 135610.0 | 148030.0 | 153960.0 | 82332.0 | 119910.0 | 122260.0 |
| Percentage of ShareBasedCompensation | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 1885000.0 | 1702000.0 | 1823000.0 | 1589000.0 | 1562000.0 | 1024000.0 | 1359000.0 | 1311000.0 | 1422000.0 | 1283000.0 | 854000.0 | 994000.0 | 1382000.0 | 1639000.0 | 1118000.0 | 1747000.0 | 1570000.0 | 1552000.0 | 1282000.0 | 1359000.0 | 1332000.0 | 1241000.0 | 1341000.0 | 1150000.0 | 1028000.0 | 1061000.0 | 1578000.0 | 984000.0 | 274000.0 | 78000.0 |
| Percentage of ShareBasedCompensation | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 131.5 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 |
| Value | -133.348 | 33 | -64.907 | 4.685 | -13.524 | -7.094 | 52 | 166 | 226 | -29.7 | 44 | -14.54 | 71 | 46 | -23.176 | -16.481 | 38 | 1.392 | -15.565 | -22.248 | -20.259 | -24.585 | 28 | -95.974 | -121.629 | 104 | 97 | 102 | -17.7 | 4.212 | -331.460183 | -29.315058 | -104.476772 | -49.646977 | -55.459683 | -22.875079 | -11.684962 | 18 | -17.860453 | -20.347629 | -27.023001 | -21.307924 | -7.300397 | -10.154312 |
| Percentage of NetCashProvidedByUsedInInvestingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -191.8 | 48.8 | -94.9 | 7.2 | -21.4 | -10.1 | 70.2 | 222.7 | 278.1 | -35.6 | 51.5 | -17.0 | 78.2 | 51.7 | -26.1 | -18.9 | 41.2 | 1.5 | -17.5 | -25.0 | -23.1 | -27.8 | 32.2 | -110.1 | -145.3 | 120.3 | 111.8 | 115.9 | -43.3 | 9.9 | -921.3 | -90.1 | -349.2 | -160.0 | -207.5 | -90.5 | -48.2 | 74.1 | -72.7 | -86.8 | -115.2 | -94.4 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | -133.348 | 33 | -64.907 | 4.685 | -13.524 | -7.094 | 52 | 166 | 226 | -29.7 | 44 | -14.54 | 71 | 46 | -23.176 | -16.481 | 38 | 1.392 | -15.565 | -22.248 | -20.259 | -24.585 | 28 | -95.974 | -121.629 | 104 | 97 | 102 | -17.7 | 4.212 |
| Percentage of NetCashProvidedByUsedInInvestingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -191.8 | 48.8 | -94.9 | 7.2 | -21.4 | -10.1 | 70.2 | 222.7 | 278.1 | -35.6 | 51.5 | -17.0 | 78.2 | 51.7 | -26.1 | -18.9 | 41.2 | 1.5 | -17.5 | -25.0 | -23.1 | -27.8 | 32.2 | -110.1 | -145.3 | 120.3 | 111.8 | 115.9 | -43.3 | 9.9 |
| Percentage of Revenues krg:KiteRealtyGroupLP | -191.8 | 48.8 | -94.9 | 7.2 | -21.4 | -10.1 | 70.2 | 222.7 | 278.1 | -35.6 | 51.5 | -17.0 | 78.2 | 51.7 | -26.1 | -18.9 | 41.2 | 1.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 |
| Value | -41.196 | 120 | -35.576 | -155.103 | -128.263 | 298 | -81.793 | -212.918 | -256.372 | 3.834 | -75.598 | -24.772 | -112.755 | -76.261 | -16.768 | -19.687 | -78.657 | -34.212 | -27.581 | -26.622 | -13.705 | -18.374 | -69.361 | 16 | 24 | -66.596 | -116.764 | -81.817 | -7.903 | 3.071 | 322 | 16 | 90 | 39 | 55 | 14 | -1.402838 | -18.216337 | 7.33615 | 16 | 17 | 8.024128 | 4.270493 | 2.080595 |
| Percentage of NetCashProvidedByUsedInFinancingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -59.2 | 174.1 | -52.0 | -238.4 | -202.6 | 426.3 | -108.7 | -284.1 | -314.6 | 4.6 | -87.0 | -28.9 | -122.9 | -85.0 | -18.9 | -22.6 | -84.9 | -38.0 | -31.0 | -29.9 | -15.6 | -20.7 | -77.7 | 19.4 | 28.9 | -76.7 | -133.5 | -92.4 | -19.3 | 7.2 | 896.1 | 50.3 | 302.6 | 126.2 | 207.5 | 59.2 | -5.8 | -73.4 | 29.9 | 68.7 | 74.6 | 35.6 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | -41.196 | 120 | -35.576 | -155.103 | -128.263 | 298 | -81.793 | -212.918 | -256.372 | 3.834 | -75.598 | -24.772 | -112.755 | -76.261 | -16.768 | -19.687 | -78.657 | -34.212 | -27.581 | -26.622 | -13.705 | -18.374 | -69.361 | 16 | 24 | -66.596 | -117.142 | -81.817 | -7.903 | 3.071 |
| Percentage of NetCashProvidedByUsedInFinancingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.3 | 100.0 | 100.0 | 100.0 |
| Percentage of Revenues | -59.2 | 174.1 | -52.0 | -238.4 | -202.6 | 426.3 | -108.7 | -284.1 | -314.6 | 4.6 | -87.0 | -28.9 | -122.9 | -85.0 | -18.9 | -22.6 | -84.9 | -38.0 | -31.0 | -29.9 | -15.6 | -20.7 | -77.7 | 19.4 | 28.9 | -76.7 | -134.0 | -92.4 | -19.3 | 7.2 |
| Percentage of Revenues krg:KiteRealtyGroupLP | -59.2 | 174.1 | -52.0 | -238.4 | -202.6 | 426.3 | -108.7 | -284.1 | -314.6 | 4.6 | -87.0 | -28.9 | -122.9 | -85.0 | -18.9 | -22.6 | -84.9 | -38.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | 0.0 | 175 | 25 | 0.0 | 0.0 | 300 | 0.0 | 0.0 | 15 | 60 |
| Percentage of ProceedsFromIssuanceOfLongTermDebt | 0.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | 0.0 | 175 | 25 | 0.0 | 0.0 | 300 | 0.0 | 0.0 | 15 | 60 |
| Percentage of ProceedsFromIssuanceOfLongTermDebt | 0.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-03-31 |
| Value | 25 | 300 |
| Percentage of ProceedsFromIssuanceOfLongTermDebt | 100.0 | 100.0 |
| Period End | 2021-03-31 |
| Value | 169 |
| Percentage of ProceedsFromIssuanceOfLongTermDebt | 97.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 |
| Value | 25 | 25 | 50 | 150 | 100 | 0.549 | 52 | 177 | 239 | 1.2 | 306 | 1.087 | 142 | 101 | 10 | 8.838 | 72 | 37 | 58 | 370 | 119 | 41 | 281 | 238 | 223 | 90 | 153 | 101 | 2.694 | 27 | 125 | 128 | 86 | 1.728309 | 82 | 12 | 150 | 76 | 22 | 139 | -57.302163 | 28 | 84 | 36 |
| Percentage of RepaymentsOfLongTermDebt | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 25 | 25 | 50 | 150 | 100 | 0.549 | 52 | 177 | 239 | 1.159 | 306 | 1.078 | 142 | 101 | 10 | 8.838 | 72 | 37 | 58 | 370 | 119 | 41 | 281 | 238 | 223 | 90 | 153 | 101 | 2.694 | 27 |
| Percentage of RepaymentsOfLongTermDebt | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 96.6 | 100.0 | 99.2 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 99.9 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 |
| Value | 14 | 12 | 6.736 | 4.382 | 26 | 0.298 | 26 | 26 | 26 | 53 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 24 | 23 | 23 | 22 | 22 | 22 | 22 | 21 | 21 | 8.55 | 8.553 | 7.85 | 5.63137 | 5.624945 | 4.673897 | 4.663604 | 3.937444 | 3.845707 | 3.839415 | 3.817338 | 3.817145 | 19 | -11.415214 | 3.800638 | 4.177065 | 18 |
| Percentage of PaymentsOfDividendsCommonStock | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 14 | 12 | 6.736 | 4.382 | 26 | 0.298 | 26 | 26 | 26 | 53 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 24 | 23 | 23 | 22 | 22 | 22 | 22 | 21 | 21 | 8.55 | 8.553 | 7.85 |
| Percentage of PaymentsOfDividendsCommonStock | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 |
| Value | 6000.0 | 452000.0 | 337000.0 | -3000.0 | 0 | 1002000.0 | 53000.0 | 20000.0 | 132000.0 | 328000.0 | 0 | 31000.0 | 0 | 319000.0 | 0 | 28000.0 | 580000.0 | 200000.0 | 1000.0 | 369000.0 | 101000.0 | 654000.0 | 38000.0 | 261000.0 | -62000.0 | 765000.0 |
| Percentage of PaymentsForRepurchaseOfCommonStock | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 0.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 |
| Value | 6000.0 | 452000.0 | 337000.0 | -3000.0 | 0 | 1002000.0 | 53000.0 | 20000.0 | 132000.0 | 328000.0 | 0 | 31000.0 | 0 | 319000.0 | 0 | 28000.0 | 580000.0 | 200000.0 | 1000.0 | 369000.0 | 101000.0 | 654000.0 | 38000.0 |
| Percentage of PaymentsForRepurchaseOfCommonStock | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 0.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 |
| Value | 20.67 | 20.25 | 17.08 | 37.77 | 37.58 | 32.36 | 33.88 | 10.0 | 9.38 | 9.32 |
| Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-03-31 |
| Value | 9800000.0 |
| Percentage of AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCalls | 100.0 |
| Period End | 2021-03-31 |
| Value | 9800000.0 |
| Percentage of AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCalls | 100.0 |
| Period End | 2021-03-31 |
| Value | 9800000.0 |
| Percentage of AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCalls | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 0 | 9800000.0 |
| Percentage of AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCalls | 0.0 | 100.0 |
| Period End | 2021-03-31 |
| Value | 9800000.0 |
| Percentage of AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCalls | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 223000.0 | 244000.0 | 241000.0 | 242000.0 |
| Percentage of AmortizationOfAboveMarketLeaseIntangibles | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 |
| Value | 2.599 | 2.832 | 3.066 | 4.065 | 5.913 | 5.736 | 5.889 | 5.79 | 6.686 | 2.354 | 2.461 | 1.714 |
| Percentage of AmortizationOfDeferredLeasingCostsLeaseIntangiblesAndOther | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | 421000.0 | 479000.0 | 555000.0 | 767000.0 | 598000.0 | 828000.0 | 1110000.0 | 1045000.0 |
| Percentage of AmortizationOfInPlaceLeaseLiabilities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 |
| Value | 274000.0 | 242000.0 | 241000.0 | 242000.0 | 242000.0 | 257000.0 | 302000.0 | 399000.0 | 527000.0 | 569000.0 | 703000.0 | 754000.0 | 886000.0 | 940000.0 | 1010000.0 | 1189000.0 | 1799000.0 | 1007000.0 | 2560000.0 | 1236000.0 | 2337000.0 | 1547000.0 | 1344000.0 | 1632000.0 |
| Percentage of AmortizationofAboveMarketLeaseIntangibles | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 |
| Value | 3.452 | 3.333 | 3.066 | 4.065 | 3.638 | 3.343 | 3.564 | 3.694 | 4.117 | 4.241 | 5.58 | 4.71 | 5.175 | 5.672 | 5.968 | 6.145 | 5.721 | 5.935 | 6.973 | 6.269 | 7.649 | 5.913 | 5.736 | 5.889 |
| Percentage of AmortizationofDeferredLeasingCostsLeaseIntangiblesandOther | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-08-06 | 2021-05-06 |
| Value | 90.0 | 180.0 |
| Percentage of COVID19LessorOperatingLeaseDeferredRentAgreementNumberOfTenants | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 |
| Value | 95.0 | 92.0 | 0.8 |
| Percentage of COVID19RentBillingsCollectedPercent | 100.0 | 100.0 | 100.0 |
| Period End | 2021-08-06 | 2021-05-06 | 2020-10-31 | 2020-07-31 |
| Value | 98.0 | 97.0 | 92.0 | 0.87 |
| Percentage of COVID19RentBillingsCollectedPercent | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-03-31 |
| Value | 50.0 |
| Percentage of DebtInstrumentExchangePremiumPercentOfStockPrice | 100.0 |
| Period End | 2021-03-31 |
| Value | 25.0 |
| Percentage of DebtInstrumentExchangePremiumPercentOfStockPrice | 50.0 |
| Period End | 2021-03-31 |
| Value | 30.26 |
| Percentage of DebtInstrumentExchangePricePerShare | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 0 | 130.0 |
| Percentage of DebtInstrumentPercentageOfExchangePriceOnApplicableTradingDay | 0.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 3628000.0 | -883000.0 | -2173000.0 | 594000.0 |
| Percentage of IncreaseDecreaseInRetainagePayableInvesting | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 3628000.0 | -883000.0 | -2173000.0 | 594000.0 |
| Percentage of IncreaseDecreaseInRetainagePayableInvesting | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 4992000.0 | -971000.0 | -2173000.0 | 594000.0 | 567000.0 | 1664000.0 | -810000.0 | -1963000.0 | -133000.0 | -1853000.0 |
| Percentage of IncreaseDecreaseinRetainagePayableInvesting | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 4992000.0 | -971000.0 | -2173000.0 | 594000.0 | 567000.0 | 1664000.0 | -810000.0 | -1963000.0 | -133000.0 | -1853000.0 |
| Percentage of IncreaseDecreaseinRetainagePayableInvesting | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 2.8 | 2.9 | 2.6 | 2.5 |
| Percentage of NoncontrollingInterestWeightedAverageOwnershipPercentageByNoncontrollingOwners | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 97.2 | 97.1 | 97.4 | 97.5 |
| Percentage of NoncontrollingInterestWeightedAverageOwnershipPercentageByParent | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2017-12-31 | 2017-09-30 | 2017-06-30 |
| Value | 0 | 2.6 | 0.026 | 0.025 | -2.376 | 2.5 | 0.024 | 0.024 | 0 | 0.024 | 0.024 | 0 | 0.023 | 0.023 |
| Percentage of NoncontrollingInterestWeightedAverageOwnershipPercentagebyNoncontrollingOwners | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2017-12-31 | 2017-09-30 | 2017-06-30 |
| Value | 0 | 97.4 | 0.974 | 0.975 | -96.624 | 97.5 | 0.976 | 0.976 | 0 | 0.976 | 0.976 | 0 | 0.977 | 0.977 |
| Percentage of NoncontrollingInterestWeightedAverageOwnershipPercentagebyParent | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 6.292 | 10 | 0.053 | -6.778 |
| Percentage of PartnersCapitalAccountAdjustmentToRedeemableNoncontrollingInterests | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 6.292 | 10 | 0.053 | -6.778 |
| Percentage of PartnersCapitalAccountAdjustmentToRedeemableNoncontrollingInterests | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 |
| Value | 0.047 | 0.053 | -6.778 | 1.342 | 0.052 | 1.282 | -0.279 | 0.042 | 0.029 | 0.452 | 0.851 | -0.782 | 4.073 | 2.515 | -5.667 | -0.401 | 1.638 | 7.218 | 5.801 | -0.693 | -2.73 | 0.975 |
| Percentage of PartnersCapitalAccountAdjustmenttoRedeemableNoncontrollingInterests | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 |
| Value | 0.047 | 0.053 | -6.778 | 1.342 | 0.052 | 1.282 | -0.279 | 0.042 | 0.029 | 0.452 | 0.851 | -0.782 | 4.073 | 2.515 | -5.667 | -0.401 | 1.638 | 7.218 | 5.801 | -0.693 | -2.73 | 0.975 |
| Percentage of PartnersCapitalAccountAdjustmenttoRedeemableNoncontrollingInterests | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 0 | 9800000.0 |
| Percentage of PaymentsForCappedCalls | 0.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 0 | 9800000.0 |
| Percentage of PaymentsForCappedCalls | 0.0 | 100.0 |
| Period End | 2020-09-30 |
| Value | 0 |
| Percentage of ProceedsfromPaymentsforSmallBusinessLoanFunding | 0.0 |
| Period End | 2020-09-30 |
| Value | 0 |
| Percentage of ProceedsfromPaymentsforSmallBusinessLoanFunding | 0.0 |
| Period End | 2021-01-31 |
| Value | 75.0 |
| Percentage of RentDeferralAgreementNumberofTenants | 100.0 |
| Period End | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | 110000.0 | 507000.0 | 881000.0 | 2876000.0 | 1153000.0 | 0 | 0 |
| Percentage of StraightLineRentReserve | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2020-06-30 |
| Value | -658000.0 | 881000.0 |
| Percentage of StraightLineRentReserveRecovery | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 |
| Value | -423000.0 | -479000.0 | -1900000.0 | -557000.0 | -767000.0 | -598000.0 | -794000.0 | -828000.0 | -1109000.0 | -1045000.0 | -872000.0 | -847000.0 | -2065000.0 | -2576000.0 | -1162000.0 | -715000.0 | -950000.0 | -850000.0 | -1041000.0 | -2570000.0 | -2044000.0 | -1208000.0 | -1199000.0 | -593000.0 | -758000.0 | -797000.0 |
| Percentage of AmortizationOfAboveAndBelowMarketLeases | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 |
| Value | -423000.0 | -479000.0 | -1900000.0 | -557000.0 | -767000.0 | -598000.0 | -794000.0 | -828000.0 | -1109000.0 | -1045000.0 | -872000.0 | -847000.0 | -2065000.0 | -2576000.0 | -1162000.0 | -715000.0 | -950000.0 | -850000.0 | -1041000.0 | -2570000.0 | -2044000.0 | -1208000.0 | -1199000.0 | -593000.0 | -758000.0 | -797000.0 |
| Percentage of AmortizationOfAboveAndBelowMarketLeases | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 |
| Value | 0.7 | 0.7 | 2.2 | 0.8 | 1.0 | 0.8 | 1.1 | 1.0 | 1.5 | 1.4 | 1.4 | 1.4 | 2.8 | 3.3 | 2.0 | 1.7 | 2.0 | 2.0 | 2.9 | 3.6 | 4.6 | 2.4 | 3.5 | 2.2 | 2.1 | 2.4 |
| Percentage of AmortizationOfBelowMarketLease | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 |
| Value | -111000.0 | -111000.0 | -111000.0 | -111000.0 | -111000.0 | -111000.0 | -137000.0 | -283000.0 | -500000.0 | -547000.0 | -547000.0 | -547000.0 | -546000.0 | -990000.0 | -713000.0 | -714000.0 | -713000.0 | -773000.0 | -1404000.0 | -880000.0 | -1113000.0 | -1015000.0 | -1193000.0 | -1518000.0 | -1522000.0 | -1601000.0 | -1805000.0 | -1659000.0 | -2000.0 | -2000.0 | -2021.0 | -2021.0 | -76361.0 | -46628.0 | -46629.0 | -31760.0 | -2021.0 | -37215.0 | -107720.0 | -107710.0 | -107720.0 | -107710.0 | -107720.0 | -107710.0 |
| Percentage of AmortizationOfDebtDiscountPremium | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | -111000.0 | -111000.0 | -111000.0 | -111000.0 | -111000.0 | -111000.0 | -137000.0 | -283000.0 | -500000.0 | -547000.0 | -547000.0 | -547000.0 | -546000.0 | -990000.0 | -713000.0 | -714000.0 | -713000.0 | -773000.0 | -1404000.0 | -880000.0 | -1113000.0 | -1015000.0 | -1193000.0 | -1518000.0 | -1522000.0 | -1601000.0 | -1805000.0 | -1659000.0 | -2000.0 | -2000.0 |
| Percentage of AmortizationOfDebtDiscountPremium | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 |
| Value | 0.76 |
| Percentage of BusinessCombinationAcquisitionRelatedCosts | 100.0 |
| Period End | 2021-06-30 |
| Value | 0.76 |
| Percentage of BusinessCombinationAcquisitionRelatedCosts | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-19 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 |
| Value | 0.17 | 0.15 | 0.08 | 0.052 | 0 | 0.3175 | 0.3175 | 0.3175 | 0.3175 | 0.3175 | 0.3175 | 0.3175 | 0.3175 | 0.3175 | 0.3175 | 0.3025 | 0.3025 | 0.3025 | 0.3025 | 0.2875 | 0.2875 | 0.2875 | 0.2725 | 0.2725 | 0.2725 | 0.2725 | 0.26 | 0.26 | 0.065 | 0.065 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 |
| Percentage of CommonStockDividendsPerShareDeclared | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 0.17 | 0.15 | 0.08 | 0.052 | 0 | 0.3175 | 0.3175 | 0.3175 | 0.3175 | 0.3175 | 0.3175 | 0.3175 | 0.3175 | 0.3175 | 0.3175 | 0.3025 | 0.3025 | 0.3025 | 0.3025 | 0.2875 | 0.2875 | 0.2875 | 0.2725 | 0.2725 | 0.2725 | 0.2725 | 0.26 | 0.26 | 0.26 | 0.26 |
| Percentage of CommonStockDividendsPerShareDeclared | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 400.0 | 400.0 |
| Period End | 2021-03-31 |
| Value | 0.039663 |
| Percentage of DebtInstrumentConvertibleConversionRatio1 | 100.0 |
| Period End | 2021-03-17 |
| Value | 20.17 |
| Percentage of DebtInstrumentConvertibleStockPriceTrigger | 100.0 |
| Period End | 2021-03-31 |
| Value | 100.0 |
| Percentage of DebtInstrumentRedemptionPricePercentage | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 |
| Value | 14 | 12 | 4.38 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 24 | 23 | 23 | 22 | 22 | 22 | 22 | 99 | -21.7 | -8.554 | -8.549 | -39.709973 | 5.631368 | 5.624946 | 4.673795 | -27.90909 | 3.937482 | 3.845652 | 3.839609 | 3.817146 | 19 |
| Percentage of DividendsCommonStock | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 |
| Value | 14 | 12 | 4.38 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 24 | 23 | 23 | 22 | 22 | 22 | 22 | 99 | -21.7 | -8.554 | -8.549 | -39.709973 | 5.631368 | 5.624946 | 4.673795 | -27.90909 | 3.937482 | 3.845652 | 3.839609 | 3.817146 | 19 |
| Percentage of DividendsCommonStock | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 |
| Value | 0.05 | 26 | -0.16 | 3.226 | 0.623 | 1.043 | 14 | -5.714 | 24 | 6.587 | -4.905 | 0.0 | 7.829 | 0.5 | 0.0 | 0.0 | 6.29 | 8.87 | 4.059 | 0.0 | 0.194 | 0.0 | 0.703 | 0.0 | 0.0 | 3.363 | 2.241 | 2.847 | 0.0 | 6.688 | 0.0 |
| Percentage of GainLossOnDispositionOfAssets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 0.05 | 26 | -0.16 | 3.226 | 0.623 | 1.043 | 14 | -5.714 | 24 | 6.587 | -4.905 | 0.0 | 7.829 | 0.5 | 0.0 | 0.0 | 6.29 | 8.87 | 4.059 | 0.0 | 0.194 | 0.0 | 0.703 | 0.0 | 0.0 | 3.363 | 2.241 | 2.847 | 0.0 | 6.688 |
| Percentage of GainLossOnDispositionOfAssets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 |
| Value | 14 | 12 | 4.38 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 24 | 23 | 23 | 22 | 22 | 22 | 22 |
| Percentage of GeneralPartnersCapitalAccountDistributionAmount | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 |
| Value | 14 | 12 | 4.38 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 24 | 23 | 23 | 22 | 22 | 22 | 22 |
| Percentage of GeneralPartnersCapitalAccountDistributionAmount | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 |
| Value | -244000.0 | -318000.0 | -429000.0 | -417000.0 | -436000.0 | -403000.0 | 49000.0 | -11000.0 | -238000.0 | -427000.0 | -278000.0 | 0 | 0 | 0 | -23.0 | 102620.0 | 382.0 | -11529.0 | 89181.0 | 239850.0 | 92220.0 | -87625.0 | 48478.0 | -1847.0 | -98595.0 |
| Percentage of IncomeLossFromEquityMethodInvestments | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | -244000.0 | -318000.0 | -429000.0 | -417000.0 | -436000.0 | -403000.0 | 49000.0 | -11000.0 | -238000.0 | -427000.0 | -278000.0 | 0 | 0 | 0 |
| Percentage of IncomeLossFromEquityMethodInvestments | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 |
| Value | -2.397 | 3.178 | 2.651 | 1.82 | -1.646 | 4.793 | -2.841 | 2.856 | 1.194 | 5.056 | 0.582 | 6.199 | -1.079 | 7.694 | -0.25 | 5.674 | 1.175 | 5.934 | 1.663 | 5.929 | 1.381 | 4.536 | -0.664 | 2.684 | -0.728 | 5.354 | -0.187 | 0.599 | -0.95 | 5.893 | -1.967111 | 4.133553 | 3.060983 | 3.834166 | 0.562535 | 2.621259 | 1.763874 | 2.118129 | 1.784234 | 14 | -7.132705 | 3.051745 | -1.159742 | 3.690718 |
| Percentage of IncreaseDecreaseInOtherOperatingAssets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | -2.397 | 3.178 | 2.651 | 1.82 | -1.646 | 4.793 | -2.841 | 2.856 | 1.194 | 5.056 | 0.582 | 6.199 | -1.079 | 7.694 | -0.25 | 5.674 | 1.175 | 5.934 | 1.663 | 5.929 | 1.381 | 4.536 | -0.664 | 2.684 | -0.728 | 5.354 | -0.187 | 0.599 | -0.95 | 5.893 |
| Percentage of IncreaseDecreaseInOtherOperatingAssets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 |
| Value | -289000.0 | -807000.0 | -13025000.0 | 5704000.0 | 8686000.0 | -9960000.0 | -2439000.0 | 5668000.0 | -1157000.0 | -4171000.0 | -3884000.0 | 5910000.0 | -3254000.0 | 238000.0 | -7619000.0 | 4079000.0 | -884000.0 | -1804000.0 | -3529000.0 | 3373000.0 | 5354000.0 | -5586000.0 | -7957000.0 | 7801000.0 | -487000.0 | -260000.0 | -9117000.0 | -32572000.0 | -66000.0 | 380000.0 | 830140.0 | 1881200.0 | 2999100.0 | 2977200.0 | -6918600.0 | 2807500.0 | -799830.0 | -2187800.0 | -636180.0 | 4192800.0 | -684030.0 | 640450.0 | -3470600.0 | 1406300.0 |
| Percentage of IncreaseDecreaseInOtherOperatingLiabilities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | -289000.0 | -807000.0 | -13025000.0 | 5704000.0 | 8686000.0 | -9960000.0 | -2439000.0 | 5668000.0 | -1157000.0 | -4171000.0 | -3884000.0 | 5910000.0 | -3254000.0 | 238000.0 | -7619000.0 | 4079000.0 | -884000.0 | -1804000.0 | -3529000.0 | 3373000.0 | 5354000.0 | -5586000.0 | -7957000.0 | 7801000.0 | -487000.0 | -260000.0 | -9117000.0 | -32572000.0 | -66000.0 | 380000.0 |
| Percentage of IncreaseDecreaseInOtherOperatingLiabilities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 0.1 | 97.1 | -0.3 |
| Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | -0.1 | 2.9 | 0.3 |
| Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 |
| Value | 5.768 | 8.463 | -0.806 | 0.099 | 0.033 | -7.192 | 7.452 | 0.0 | 0.961 | 1.077 | -0.35 | -0.138 | -0.019 | 0.279 | -0.781 | 1.019 | -3.844 | -2.048 | -10.805 | -0.102 | 1.778 | 7.216 | 5.775 | -0.666 | -2.606 | 0.414 | 16 | 0.179 | 1.757 | -3.678 | 4.70283 | -0.143979 | -4.526082 | 8.677086 | 4.251673 | 0.797486 | 0.186901 | -0.205605 | 0.038567 | -0.631382 |
| Percentage of MinorityInterestChangeInRedemptionValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 |
| Value | -6292000.0 | -10633000.0 | -47000.0 | -53000.0 | 6778000.0 | -1342000.0 | -52000.0 | -1282000.0 | -279000.0 | -42000.0 | -29000.0 | 452000.0 | 851000.0 | -782000.0 | 4073000.0 | 2515000.0 | 11243000.0 | 401000.0 | -1638000.0 | -7218000.0 |
| Percentage of MinorityInterestPeriodIncreaseDecrease | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 |
| Value | -6292000.0 | -10633000.0 | -47000.0 | -53000.0 | 6778000.0 | -1342000.0 | -52000.0 | -1282000.0 | -279000.0 | -42000.0 | -29000.0 | 452000.0 | 851000.0 | -782000.0 | 4073000.0 | 2515000.0 | 11243000.0 | 401000.0 | -1638000.0 | -7218000.0 |
| Percentage of MinorityInterestPeriodIncreaseDecrease | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | -0.242 | 24 | -6.794 | -4.587 | -4.769 | -0.074 | 15 | -19.735 | -1.796 | 5.715 | -31.221 | 3.938 | -1.366 | -17.917 | 2.309 | -0.622 | 10 | 0.005 | 3.359 | -1.682 | -1.895 | 1.402 | 5.353 | 0.412 | 4.613 | 5.065 | 5.113 | -16.398 | -5.09 | 2.218 |
| Percentage of NetIncomeLossAllocatedToGeneralPartners | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 |
| Value | -0.242 | 24 | -4.587 | -4.769 | -0.074 | -19.735 | -1.796 | 5.715 | 3.938 | -1.366 | -17.917 | -0.621 | 10 | 0.005 | -1.682 | -1.896 | 1.402 |
| Percentage of NetIncomeLossAllocatedToGeneralPartners | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 99.8 | 100.0 | 100.0 | 100.0 | 100.1 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 15000.0 | 646000.0 | -180000.0 | -172000.0 | -149000.0 | 72000.0 | 410000.0 | -514000.0 | -33000.0 | 141000.0 | -660000.0 | 94000.0 | -39000.0 | -431000.0 | 55000.0 | -14000.0 | 240000.0 | 0 | 79000.0 | -41000.0 | -62000.0 | 50000.0 | 129000.0 | 25000.0 | 94000.0 | 96000.0 | 123000.0 | -376000.0 | -269000.0 | 112000.0 |
| Percentage of NetIncomeLossAllocatedToLimitedPartners | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 |
| Value | 10 | 10 | 10 | 10 | 9.319 | 10 | 11 | 11 | 11 | 11 | 12 |
| Percentage of OperatingLeaseCost | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 |
| Value | 10 | 10 | 10 | 10 | 9.319 | 10 | 11 | 11 | 11 | 11 | 12 |
| Percentage of OperatingLeaseCost | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 |
| Value | 61000.0 | 1309000.0 | 3136000.0 | 5746000.0 | 847000.0 | 892000.0 | 695000.0 |
| Percentage of OperatingLeaseImpairmentLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | 67 | 67 | 66 | 64 | 61 | 65 | 73 | 72 | 79 | 82 |
| Percentage of OperatingLeaseLeaseIncome | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | 67 | 67 | 66 | 64 | 61 | 65 | 73 | 72 | 79 | 82 |
| Percentage of OperatingLeaseLeaseIncome | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | 54 | 54 | 53 | 54 | 54 | 55 | 56 | 58 | 63 | 65 |
| Percentage of OperatingLeaseLeaseIncomeLeasePayments | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | 12 | 13 | 13 | 12 | 12 | 12 | 19 | 13 | 14 | 15 |
| Percentage of OperatingLeaseVariableLeaseIncome | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | -1100000.0 | -1300000.0 | 1300000.0 | 1100000.0 | 300000.0 | -200000.0 | 36000.0 | 300000.0 | 500000.0 |
| Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 |
| Value | -6000.0 | 6537000.0 | 1053000.0 | -1580000.0 | -16167000.0 | -4317000.0 | -7465000.0 | -4930000.0 | -9197000.0 | 51000.0 | 502000.0 | 2157000.0 | 1940000.0 | 314000.0 | -410000.0 | 1462000.0 | 8422000.0 | 3112000.0 | -2560000.0 | -7145000.0 | 4064000.0 | -3400000.0 | 1530000.0 | -3164000.0 | -2326000.0 | 2576000.0 | -2111000.0 | -667000.0 | 1581000.0 | -1032900.0 | 5461400.0 | 601900.0 | 350840.0 | -1381100.0 | -2789200.0 | 84997.0 | 22941.0 | -175070.0 | 336790.0 |
| Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | -6000.0 | 6537000.0 | 1053000.0 | -1580000.0 | -16167000.0 | -4317000.0 | -7465000.0 | -4930000.0 |
| Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | -6000.0 | 6537000.0 | 1053000.0 | -1580000.0 | -16167000.0 | -4317000.0 | -7465000.0 | -4930000.0 |
| Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 |
| Value | -6000.0 | 6537000.0 | 1053000.0 | -1580000.0 | -16167000.0 | -4317000.0 | -7465000.0 | -4930000.0 | -9197000.0 | 51000.0 | 502000.0 | 2157000.0 | 1940000.0 | 314000.0 | -410000.0 | 1462000.0 | 8422000.0 | 3112000.0 | -2560000.0 | -7145000.0 | 4064000.0 | -3400000.0 | 1530000.0 | -3164000.0 | -2326000.0 | 2576000.0 | -2111000.0 | -667000.0 | 1581000.0 | -1032900.0 | 5461400.0 | 601900.0 | 350840.0 | -1381100.0 | -2789200.0 | 84997.0 | 22941.0 | -175070.0 |
| Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 |
| Value | 30 | 31 | 32 | 34 | 32 | 32 | 31 | 32 | 35 | 35 | 38 | 37 | 41 | 39 | 41 | 43 | 43 | 46 | 43 | 47 | 44 | 43 | 43 | 43 | 41 | 41 | 40 | 45 | 20 | 17 | 14 | 16 | 14 | 12 | 10 | 11 | 11 | 10 | 9.681941 | 9.315401 | 10 | 9.46526 | 9.891324 | 11 |
| Percentage of OtherDepreciationAndAmortization | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 30 | 31 | 32 | 34 | 32 | 32 | 31 | 32 | 35 | 35 | 38 | 37 | 41 | 39 | 41 | 43 | 43 | 46 | 43 | 47 | 44 | 43 | 43 | 43 | 41 | 41 | 40 | 45 | 20 | 17 |
| Percentage of OtherDepreciationAndAmortization | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | 766000.0 | -12000.0 | 140000.0 | -180000.0 | -545000.0 | -2546000.0 | 775000.0 | -227000.0 | 947000.0 | 663000.0 |
| Percentage of OtherOperatingIncomeExpenseNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | 766000.0 | -12000.0 | 140000.0 | -180000.0 | -545000.0 | -2546000.0 | 775000.0 | -227000.0 | 947000.0 | 663000.0 |
| Percentage of OtherOperatingIncomeExpenseNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2019-09-30 | 2019-03-31 | 2018-09-30 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 |
| Value | 530000.0 | 2062000.0 | 40000.0 | 127000.0 | 322000.0 | 13000.0 | 28000.0 | 56000.0 | 52000.0 | 298000.0 | 49000.0 | 52000.0 | 88000.0 |
| Percentage of PartnersCapitalAccountExchangesAndConversions | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2019-09-30 | 2019-03-31 | 2018-09-30 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 |
| Value | 530000.0 | 2062000.0 | 40000.0 | 127000.0 | 322000.0 | 13000.0 | 28000.0 | 56000.0 | 52000.0 | 298000.0 | 49000.0 | 52000.0 | 88000.0 |
| Percentage of PartnersCapitalAccountExchangesAndConversions | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 |
| Value | 1977000.0 | 1466000.0 | 1813000.0 | 1786000.0 | 267000.0 | 1528000.0 | 1817000.0 | 1161000.0 | 1266000.0 | 1081000.0 | 1904000.0 | 1447000.0 | 1695000.0 | 1623000.0 | 1641000.0 | 957000.0 | 1402000.0 | 1722000.0 | 1031000.0 | 888000.0 | 1336000.0 | 1036000.0 | 1167000.0 | 203000.0 |
| Percentage of PartnersCapitalAccountUnitBasedCompensation | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 |
| Value | 1977000.0 | 1466000.0 | 1813000.0 | 1786000.0 | 267000.0 | 1528000.0 | 1817000.0 | 1161000.0 | 1266000.0 | 1081000.0 | 1904000.0 | 1447000.0 | 1695000.0 | 1623000.0 | 1641000.0 | 957000.0 | 1402000.0 | 1722000.0 | 1031000.0 | 888000.0 | 1336000.0 | 1036000.0 | 1167000.0 | 203000.0 |
| Percentage of PartnersCapitalAccountUnitBasedCompensation | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 337000.0 | 4937000.0 |
| Percentage of PaymentOfFinancingAndStockIssuanceCosts | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 337000.0 | 4937000.0 |
| Percentage of PaymentOfFinancingAndStockIssuanceCosts | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 |
| Value | 554000.0 | 511000.0 | 311000.0 | 248000.0 | 842000.0 | 132000.0 | 802000.0 | 803000.0 | 792000.0 | 1441000.0 | 797000.0 | 941000.0 | 1000000.0 | 978000.0 | 836000.0 | 1033000.0 | 1033000.0 | 1020000.0 |
| Percentage of PaymentsOfDividendsMinorityInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 |
| Value | 554000.0 | 511000.0 | 311000.0 | 248000.0 | 842000.0 | 132000.0 | 802000.0 | 803000.0 | 792000.0 | 1441000.0 | 797000.0 | 941000.0 | 1000000.0 | 978000.0 | 836000.0 | 1033000.0 | 1033000.0 | 1020000.0 |
| Percentage of PaymentsOfDividendsMinorityInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | 13 | 7.864 | 7.644 | 8.232 | 9.212 | 13 | 15 | 12 | 13 | 11 |
| Percentage of PaymentsToAcquireOtherPropertyPlantAndEquipment | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | 13 | 7.864 | 7.644 | 8.232 | 9.212 | 13 | 15 | 12 | 13 | 11 |
| Percentage of PaymentsToAcquireOtherPropertyPlantAndEquipment | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 159000.0 | 212000.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 500000.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 542000.0 |
| Percentage of ProceedsFromCollectionOfNotesReceivable | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 159000.0 | 212000.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 500000.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 542000.0 |
| Percentage of ProceedsFromCollectionOfNotesReceivable | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2015-12-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-10-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 |
| Value | 0.014 | 0.017 | 0.015 | 0.018 | 0.018 | 0.021 | 0.223 | 0.012 | 0.09 | 0.025 | 0.017 | 0.025 | 0.011 | 0.023 | 0.0 | 0.0 | 0.0 | 0.0 | 0.019 | 0.0 | 217 | -0.011545 | 97 | 0.005021 | 60 | 59 | 2.206377 | 0.38971 | 0.418281 | -0.105803 | 0.00391 | 0.080383 | -0.230711 | 0.00715 | 0.011476 |
| Percentage of ProceedsFromIssuanceOfCommonStock | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 |
| Value | 0.014 | 0.017 | 0.015 | 0.018 | 0.018 | 0.021 | 0.223 | 0.012 | 0.09 | 0.025 | 0.017 | 0.025 | 0.011 | 0.023 | -4.383 | 4.383 | 0.0 | 0.0 | 4.402 |
| Percentage of ProceedsFromIssuanceOfCommonStock | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 23168.4 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-06-30 | 2019-03-31 |
| Value | 1.195 | 39 | 3.644 | 0.0 | 0.0 | 5.49 | 0.0 | 0.0 |
| Percentage of ProceedsFromSaleOfLandHeldforinvestment | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-06-30 | 2019-03-31 |
| Value | 1.195 | 39 | 3.644 | 0.0 | 0.0 | 5.49 | 0.0 | 0.0 |
| Percentage of ProceedsFromSaleOfLandHeldforinvestment | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | 0.0 | 2.484 | 0.0 | 13 | 0.0 | 0.0 | 68 | 206 | 241 | 13 |
| Percentage of ProceedsFromSaleOfOtherRealEstateHeldforinvestment | 0.0 | 100.0 | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | 0.0 | 2.484 | 0.0 | 13 | 0.0 | 0.0 | 68 | 206 | 241 | 13 |
| Percentage of ProceedsFromSaleOfOtherRealEstateHeldforinvestment | 0.0 | 100.0 | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 |
| Value | 14 |
| Percentage of ProceedsFromSaleOfRealEstate | 100.0 |
| Period End | 2020-07-30 |
| Value | 14 |
| Percentage of ProceedsFromSaleOfRealEstate | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 0.0 | 40 |
| Percentage of ProceedsFromSaleOfRealEstateHeldforinvestment | 0.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 |
| Value | 8.55 | 9.4 | 9.316 | 9.362 | 8.254 | 8.934 | 9.002 | 9.64 | 9.929 | 10 | 10 | 11 | 10 | 10 | 10 | 10 | 11 | 10 | 10 | 10 | 10 | 11 | 11 | 10 | 9.755 | 10 | 9.899 | 10 | 4.303 | 5.113 | 4.578034 | 3.724116 | 3.556993 | 3.618135 | 3.431657 | 3.282788 | 3.169255 | 3.78847 | 3.387794 | 3.48889 | 3.639368 | 3.265453 | 2.34756 | 3.158006 | 3.163086 |
| Percentage of RealEstateTaxExpense | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 8.55 | 9.4 | 9.316 | 9.362 | 8.254 | 8.934 | 9.002 | 9.64 | 9.929 | 10 | 10 | 11 | 10 | 10 | 10 | 10 | 11 | 10 | 10 | 10 | 10 | 11 | 11 | 10 | 9.755 | 10 | 9.899 | 10 | 4.303 | 5.113 |
| Percentage of RealEstateTaxExpense | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-08-04 |
| Value | 100 |
| Percentage of RepaymentsOfLinesOfCredit | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2019-09-30 | 2019-03-31 | 2018-09-30 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 |
| Value | 530000.0 | 2062000.0 | 40000.0 | 127000.0 | 322000.0 | 13000.0 | 28000.0 | 56000.0 | 52000.0 | 298000.0 | 49000.0 | 52000.0 | 88000.0 | 454000.0 | 50000.0 | 19000.0 | 44000.0 | 510450.0 | 34620.0 | 18210.0 | 19770.0 | 16410.0 | 5427300.0 | 299000.0 | 91000.0 | 52000.0 | 0 |
| Percentage of StockIssuedDuringPeriodValueConversionOfUnits | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2019-09-30 | 2019-03-31 | 2018-09-30 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 |
| Value | 530000.0 | 2061000.0 | 40000.0 | 127000.0 | 322000.0 | 13000.0 | 28000.0 | 56000.0 | 52000.0 | 298000.0 | 49000.0 | 52000.0 | 88000.0 | 454000.0 | 50000.0 | 19000.0 | 44000.0 | 509670.0 | 34560.0 | 18180.0 | 19740.0 | 16380.0 | 5416600.0 | 298770.0 | 90930.0 | 51960.0 | 0 |
| Percentage of StockIssuedDuringPeriodValueConversionOfUnits | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 99.8 | 99.8 | 99.8 | 99.8 | 99.8 | 99.8 | 99.9 | 99.9 | 99.9 | 0.0 |
| Period End | 2021-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 |
| Value | 1000.0 | 780.0 | 60.0 | 30.0 | 30.0 | 30.0 | 10707.0 | 230.0 | 70.0 | 40.0 | 0 |
| Percentage of StockIssuedDuringPeriodValueConversionOfUnits | 0.0 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 |
| Value | 1977000.0 | 1466000.0 | 1813000.0 | 1786000.0 | 267000.0 | 1528000.0 | 1817000.0 | 1161000.0 | 1266000.0 | 1081000.0 | 1904000.0 | 1447000.0 | 1695000.0 | 1623000.0 | 1641000.0 | 957000.0 | 1402000.0 | 1722000.0 | 1031000.0 | 888000.0 | 1336000.0 | 1036000.0 | 1167000.0 | 203000.0 | 1179000.0 | 1371000.0 | 431000.0 | 318000.0 | 756930.0 | 702160.0 | 748550.0 | 307300.0 | 285610.0 | 277770.0 | 350520.0 | 70878.0 | 206340.0 | 223060.0 |
| Percentage of StockIssuedDuringPeriodValueShareBasedCompensation | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 |
| Value | 1977000.0 | 1464000.0 | 1813000.0 | 1785000.0 | 266000.0 | 1528000.0 | 1816000.0 | 1160000.0 | 1265000.0 | 1081000.0 | 1904000.0 | 1446000.0 | 1695000.0 | 1623000.0 | 1641000.0 | 956000.0 | 1402000.0 | 1722000.0 | 1031000.0 | 887000.0 | 1336000.0 | 1036000.0 | 1170000.0 | 202000.0 | 1184000.0 | 1369000.0 | 430000.0 | 311000.0 | 756020.0 | 701160.0 | 745310.0 | 305660.0 | 285590.0 | 277600.0 | 350280.0 | 68648.0 | 206300.0 | 222770.0 |
| Percentage of StockIssuedDuringPeriodValueShareBasedCompensation | 100.0 | 99.9 | 100.0 | 99.9 | 99.6 | 100.0 | 99.9 | 99.9 | 99.9 | 100.0 | 100.0 | 99.9 | 100.0 | 100.0 | 100.0 | 99.9 | 100.0 | 100.0 | 100.0 | 99.9 | 100.0 | 100.0 | 100.3 | 99.5 | 100.4 | 99.9 | 99.8 | 97.8 | 99.9 | 99.9 | 99.6 | 99.5 | 100.0 | 99.9 | 99.9 | 96.9 | 100.0 | 99.9 |
| Period End | 2021-03-31 | 2020-06-30 | 2020-03-31 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 |
| Value | 2000.0 | 1000.0 | 1000.0 | 1000.0 | 1000.0 | 1000.0 | 0 | 0 | 1000.0 | 0 | 0 | 0 | 1000.0 | 0 | 0 | 0 | 1000.0 | 0 | 0 | -3000.0 | 1000.0 | 0 | -3000.0 | 1000.0 | 7000.0 | 912.0 | 1001.0 | 3236.0 | 1639.0 | 25.0 | 172.0 | 239.0 | 2230.0 | 44.0 | 288.0 |
| Percentage of StockIssuedDuringPeriodValueShareBasedCompensation | 0.1 | 0.1 | 0.4 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | -0.3 | 0.5 | 0.0 | -0.2 | 0.2 | 2.2 | 0.1 | 0.1 | 0.4 | 0.5 | 0.0 | 0.1 | 0.1 | 3.1 | 0.0 | 0.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 |
| Value | -3.009 | -3.806 | -0.126 | -4.374 | 10 | -2.627 | 3.427 | 0.511 | -3.38 | -3.728 | 2.85 | 3.942 | -1.852 | -1.346 | 3.801 | 0.425 | 0.182 | 1.424 | 2.873 | 1.102 | -4.414 | 0.958 | 3.287 | 2.863 | 2.09 | -6.73 | 3.233 | 4.37 | 0.61 | 1.831 | 2.232492 | 0.652 | -1.145 | -0.049 | 0.39766 | 0.608671 | -1.221604 | 0.722641 | 0.425896 | 0.658313 | -2.04163 | 0.433284 |
| Percentage of StraightLineRent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | -3.009 | -3.806 | -0.126 | -4.374 | 10 | -2.627 | 3.427 | 0.511 | -3.38 | -3.728 | 2.85 | 3.942 | -1.852 | -1.346 | 3.801 | 0.425 | 0.182 | 1.424 | 2.873 | 1.102 | -4.414 | 0.958 | 3.287 | 2.863 | 2.09 | -6.73 | 3.233 | 4.37 | 0.61 | 1.831 |
| Percentage of StraightLineRent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | -426000.0 | -98000.0 | -256000.0 | -387000.0 | -358000.0 | 227000.0 | -947000.0 | -663000.0 |
| Percentage of StraightLineRentAdjustments | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 |
| Value | 2500000.0 | 2500000.0 | 0 | 2200000.0 | 2200000.0 | 2200000.0 | 0 | 2100000.0 | 2100000.0 | 2100000.0 | 0 | 2100000.0 | 2100000.0 | 2000000.0 | 0 | 0 | 0 | 2000000.0 | 0 | 0 | 0 | 1900000.0 | 0 | 100000.0 | 100000.0 | 1600000.0 | 0 | 0 |
| Percentage of WeightedAverageLimitedPartnershipUnitsOutstanding | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 |
| Value | 0.28 |
| Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccountsPayableAndAccruedExpenses | 100.0 |
| Period End | 2020-12-31 |
| Value | 0.246 |
| Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredRevenueAndOtherLiabilities | 100.0 |
| Period End | 2020-12-31 |
| Value | 63 |
| Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedRealEstateInvestmentPropertyNet | 100.0 |
| Period End | 2021-08-06 | 2021-05-06 |
| Value | 2100000.0 | 3300000.0 |
| Percentage of COVID19LessorOperatingLeaseDeferredLeaseIncome | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 |
| Value | 98.0 | 95.0 |
| Percentage of COVID19PercentofTenantsReopened | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2013-12-31 |
| Value | 46 | 46 | 49 | 51 | 50 | 49 | 49 | 50 | 52 | 55 | 56 | 58 | 57 | 59 | 63 | 63 | 61 | 61 | 59 | 56 | 52 | 48 | 54 | 49 | 46 | 41 | 36 | 31 | 21 |
| Percentage of DeferredCostsAccumulatedAmortization | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2013-12-31 |
| Value | 103 | 105 | 112 | 114 | 116 | 119 | 122 | 127 | 137 | 149 | 151 | 157 | 158 | 167 | 176 | 179 | 181 | 187 | 188 | 189 | 189 | 191 | 212 | 200 | 198 | 195 | 205 | 221 | 77 |
| Percentage of DeferredCostsGross | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 57 | 58 | 63 |
| Percentage of DeferredCostsNet | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 57 | 58 | 63 |
| Percentage of DeferredCostsNet | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2013-12-31 |
| Value | 63 | 63 | 66 | 69 | 73 | 76 | 85 | 92 | 95 | 99 | 100 | 108 | 112 | 115 | 119 | 126 | 129 | 133 | 137 | 143 | 157 | 150 | 151 | 154 | 159 | 168 | 56 |
| Percentage of DeferredCostsNetOfPropertiesHeldForSale | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 |
| Value | 63 | 63 | 66 | 69 | 73 | 76 | 85 | 92 | 95 | 99 | 100 | 108 | 112 | 115 | 119 | 126 | 129 | 133 | 137 | 143 | 157 | 150 | 151 | 154 | 159 |
| Percentage of DeferredCostsNetOfPropertiesHeldForSale | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2013-12-31 |
| Value | 54 | 54 | 57 | 58 | 59 | 60 | 62 | 63 | 71 | 73 | 69 | 70 | 68 | 69 | 68 | 67 | 66 | 67 | 63 | 63 | 60 | 57 | 54 | 54 | 51 | 49 | 48 | 44 | 41 |
| Percentage of DeferredLeasingCostsAndOther | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 3103 | 3103 | 3109 |
| Percentage of LandInvestmentBuildingAndImprovements | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2015-12-31 |
| Value | 3109 | 3048 | 3050 | 3039 | 3038 | 3111 | 3340 | 3543 | 3600 | 3677 | 3670 | 3781 | 3873 | 3838 | 3830 | 3874 | 3885 | 3752 |
| Percentage of LandInvestmentBuildingandImprovements | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-03-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-09-30 | 2012-06-30 |
| Value | 100.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| Percentage of LongTermDebtPercentageOfTotal | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-09-30 |
| Value | 92.0 | 0.81 | 0.75 | 0.95 | 0.91 | 0.91 | 0.9 | 0.93 | 0.89 | 0.94 | 0.95 | 0.93 | 0.95 | 0.91 | 0.84 | 0.92 |
| Percentage of LongTermDebtPercentageOfTotal | 92.0 | 81.0 | 75.0 | 95.0 | 91.0 | 91.0 | 90.0 | 0.0 | 89.0 | 94.0 | 95.0 | 93.0 | 95.0 | 91.0 | 84.0 | 92.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 8.0 | 0.19 | 0.25 | 0.05 | 0.09 | 0.09 | 0.1 | 0.07 | 0.11 | 0.06 | 0.05 | 0.07 | 0.05 | 0.09 | 0.16 | 0.08 | 0.19 | 0.26 | 0.18 | 0.32 | 0.32 |
| Percentage of LongTermDebtPercentageOfTotal | 8.0 | 19.0 | 25.0 | 5.0 | 9.0 | 9.0 | 10.0 | 0.0 | 11.0 | 6.0 | 5.0 | 7.0 | 5.0 | 9.0 | 16.0 | 8.0 | 19.0 | 26.0 | 18.0 | 32.0 | 32.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 1299 | 1325 | 1176 |
| Percentage of LongTermDebtPrincipalBalance | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 |
| Value | 25 |
| Percentage of LongTermDebtPrincipalBalance | 2.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 295 | 295 | 295 |
| Percentage of LongTermDebtPrincipalBalance | 22.7 | 22.3 | 25.2 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 29 | 54 | 55 |
| Percentage of LongTermDebtPrincipalBalance | 2.3 | 4.1 | 4.7 |
| Period End | 2020-12-31 |
| Value | 10 |
| Percentage of LongtermDebtAnnualPrincipalPaymentsGross | 100.0 |
| Period End | 2020-12-31 |
| Value | 4672000.0 |
| Percentage of LongtermDebtMaturitiesRepaymentsofAnnualPrincipalPaymentsafterYearFive | 100.0 |
| Period End | 2020-12-31 |
| Value | 2303000.0 |
| Percentage of LongtermDebtMaturitiesRepaymentsofAnnualPrincipalPaymentsinNextTwelveMonths | 100.0 |
| Period End | 2020-12-31 |
| Value | 904000.0 |
| Percentage of LongtermDebtMaturitiesRepaymentsofAnnualPrincipalPaymentsinYearFive | 100.0 |
| Period End | 2020-12-31 |
| Value | 854000.0 |
| Percentage of LongtermDebtMaturitiesRepaymentsofAnnualPrincipalPaymentsinYearFour | 100.0 |
| Period End | 2020-12-31 |
| Value | 806000.0 |
| Percentage of LongtermDebtMaturitiesRepaymentsofAnnualPrincipalPaymentsinYearThree | 100.0 |
| Period End | 2020-12-31 |
| Value | 1043000.0 |
| Percentage of LongtermDebtMaturitiesRepaymentsofAnnualPrincipalPaymentsinYearTwo | 100.0 |
| Period End | 2020-12-31 |
| Value | 375 |
| Percentage of LongtermDebtMaturitiesRepaymentsofTermMaturityafterYearFive | 100.0 |
| Period End | 2020-12-31 |
| Value | 330 |
| Percentage of LongtermDebtMaturitiesRepaymentsofTermMaturityinYearFive | 100.0 |
| Period End | 2020-12-31 |
| Value | 256 |
| Percentage of LongtermDebtMaturitiesRepaymentsofTermMaturityinYearThree | 100.0 |
| Period End | 2020-12-31 |
| Value | 203 |
| Percentage of LongtermDebtMaturitiesRepaymentsofTermMaturityinYearTwo | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 |
| Value | 1176 | 1201 | 1352 | 1452 | 1153 | 1205 | 1383 | 1607 | 1548 | 1582 | 1569 | 1652 | 1700 | 1682 | 1676 | 1727 | 1731 | 1732 | 1734 | 1724 | 1717 |
| Percentage of LongtermDebtPrincipalBalance | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 |
| Value | 25 | 50 | 200 | 300 | 0.0 | 0.0 | 47 | 105 | 45 | 23 | 9.1 | 46 | 60 | 41 | 33 | 83 | 79 | 43 | 0.0 | 68 | 20 |
| Percentage of LongtermDebtPrincipalBalance | 2.1 | 4.2 | 14.8 | 20.7 | 0.0 | 0.0 | 3.4 | 6.6 | 2.9 | 1.5 | 0.6 | 2.8 | 3.5 | 2.4 | 2.0 | 4.8 | 4.6 | 2.5 | 0.0 | 3.9 | 1.2 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2015-12-31 |
| Value | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 250 |
| Percentage of LongtermDebtPrincipalBalance | 46.8 | 45.8 | 40.7 | 37.9 | 47.7 | 45.6 | 39.8 | 34.2 | 35.5 | 34.8 | 35.0 | 33.3 | 32.3 | 32.7 | 32.8 | 31.8 | 31.8 | 14.6 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 |
| Value | 295 | 296 | 296 | 297 | 297 | 332 | 462 | 533 | 534 | 535 | 536 | 542 | 576 | 577 | 579 | 580 | 587 | 624 | 693 | 715 | 756 |
| Percentage of LongtermDebtPrincipalBalance | 25.2 | 24.7 | 21.9 | 20.5 | 25.8 | 27.6 | 33.4 | 33.2 | 34.5 | 33.9 | 34.2 | 32.8 | 33.9 | 34.3 | 34.5 | 33.6 | 33.9 | 36.0 | 40.0 | 41.5 | 44.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 |
| Value | 55 | 55 | 55 | 55 | 55 | 72 | 73 | 73 | 73 | 73 | 73 | 113 | 113 | 113 | 114 | 114 | 114 | 114 | 57 | 58 | 58 |
| Percentage of LongtermDebtPrincipalBalance | 4.7 | 4.6 | 4.1 | 3.8 | 4.8 | 6.1 | 5.3 | 4.6 | 4.7 | 4.7 | 4.7 | 6.9 | 6.7 | 6.8 | 6.8 | 6.6 | 6.6 | 6.6 | 3.3 | 3.4 | 3.4 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 |
| Value | 250 | 250 | 250 | 250 | 250 | 250 | 250 | 345 | 345 | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 600 | 500 | 500 |
| Percentage of LongtermDebtPrincipalBalance | 21.3 | 20.8 | 18.5 | 17.2 | 21.7 | 20.7 | 18.1 | 21.5 | 22.3 | 25.3 | 25.5 | 24.2 | 23.5 | 23.8 | 23.9 | 23.2 | 23.1 | 23.1 | 34.6 | 29.0 | 29.1 |
| Period End | 2020-12-31 |
| Value | 1165 |
| Percentage of LongtermDebtTermMaturityGross | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 86.0 | 92.0 |
| Percentage of PercentageOfTotal | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 14.0 | 8.0 |
| Percentage of PercentageOfTotal | 16.3 | 8.7 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-08-04 |
| Value | 6100000.0 | 5600000.0 | 6000000.0 |
| Percentage of RentDeferralAgreementAmountDeferred | 100.0 | 100.0 | 100.0 |
| Period End | 2020-08-04 |
| Value | 6000000.0 |
| Percentage of RentDeferralAgreementAmountDeferred | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 1176 | 1153 | 1548 |
| Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 |
| Value | 2300 |
| Percentage of RealEstateFederalIncomeTaxBasis | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 |
| Value | 74 | 72 | 77 | 88 | 85 | 109 | 69 | 77 | 66 | 61 | 85 | 98 | 101 | 102 | 78 | 101 | 88 | 88 | 80 | 93 | 92 | 81 | 81 | 90 | 79 | 82 | 75 | 87 | 54 | 52 | 61 | 50 | 47 | 50 | 54 | 57 | 38 | 35 | 36 | 42 | 35 | 32 |
| Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 |
| Value | 74 | 72 | 77 | 88 | 85 | 109 | 69 | 77 | 66 | 61 | 85 | 98 | 101 | 102 | 78 | 101 | 88 | 88 | 80 | 93 | 92 | 81 | 81 | 90 | 79 | 82 | 75 |
| Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 |
| Value | 46 | 49 | 57 | 57 | 61 | 49 | 55 | 50 | 51 | 55 | 58 | 57 | 53 | 57 | 58 | 53 | 52 | 52 | 53 | 50 | 48 | 52 | 51 | 47 | 44 | 42 | 48 | 38 | 27 | 26 | 24 | 22 | 20 | 21 | 21 | 20 | 19 | 19 | 20 | 19 | 18 | 18 |
| Percentage of AccountsReceivableNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 |
| Value | 46 | 49 | 57 | 57 | 61 | 49 | 55 | 50 | 51 | 55 | 58 | 57 | 53 | 57 | 58 | 53 | 52 | 52 | 53 | 50 | 48 | 52 | 51 | 47 | 44 | 42 | 48 |
| Percentage of AccountsReceivableNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 |
| Value | 24 | 23 | 24 | 24 | 24 | 25 | 27 | 27 | 30 | 30 | 31 | 31 | 31 | 32 | 31 | 30 | 29 | 28 | 28 | 27 | 26 | 25 | 23 | 23 | 21 | 19 | 18 | 17 | 15 | 15 | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 9.113712 |
| Percentage of AccruedRentCurrentAndNoncurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 |
| Value | 24 | 23 | 24 | 24 | 24 | 25 | 27 | 27 | 30 | 30 | 31 | 31 | 31 | 32 | 31 | 30 | 29 | 28 | 28 | 27 | 26 | 25 | 23 | 23 | 21 | 19 | 18 |
| Percentage of AccruedRentCurrentAndNoncurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2017-12-31 |
| Value | 10 | 10 | 26 | 9.591 | 8.579 | 26 | 10 | 8.623 | 6.82 | 6.045 | 11 | 9.493 |
| Percentage of AdvanceRent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2014-12-31 | 2013-12-31 | 2013-11-30 | 2012-12-31 | 2011-12-31 |
| Value | 47.0 | 20.0 | 19.0 | 12.8 | 91.0 | 101.0 |
| Percentage of AreaOfLand | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 |
| Value | 16 | 16 | 17 | 17 | 17 | 21 | 23 | 23 |
| Percentage of AreaOfRealEstateProperty | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2017-12-31 |
| Value | 43 | 44 | 45 | 47 | 48 | 49 | 50 | 51 | 58 | 68 | 69 | 83 |
| Percentage of BelowMarketLeaseGross | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 |
| Value | 65 |
| Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets | 100.0 |
| Period End | 2020-12-31 |
| Value | 2.254 |
| Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles | 100.0 |
| Period End | 2020-12-31 |
| Value | 0.526 |
| Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities | 100.0 |
| Period End | 2020-12-31 |
| Value | 65 |
| Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet | 100.0 |
| Period End | 2021-02-23 |
| Value | 150 |
| Percentage of CommonStockSharesSubscriptions | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-03-31 | 2018-12-31 |
| Value | 3.361 | 2.493 | 1.943 | 2.586 | 2.716 | 2.581 | 2.254 | 104 | 83 |
| Percentage of ContractWithCustomerLiability | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 1176 | 1.526104 | 857 | 699 |
| Percentage of DebtInstrumentCarryingAmount | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-18 |
| Value | 1100 |
| Percentage of DebtInstrumentFaceAmount | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 |
| Value | 1.29 | 0.0291 | 0.0365 | 0.0291 | 0.0212 | 0.0183 | 0.0157 |
| Percentage of DebtInstrumentInterestRateEffectivePercentage | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 |
| Value | -10189000.0 | -10260000.0 | -5523000.0 |
| Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 |
| Value | 5282000.0 |
| Percentage of DebtInstrumentUnamortizedDiscountPremiumNet | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 |
| Value | 1.511 | 1.62 | 1.732 | 1.843 | 1.955 | 2.065 | 2.176 | 2.608 | 3.784 | 6.019 | 6.566 | 7.113 | 7.66 | 8.207 | 9.196 | 9.909 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Percentage of DebtInstrumentUnamortizedPremium | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 |
| Value | 1.511 | 1.62 | 1.732 | 1.843 | 1.955 | 2.065 | 2.176 | 2.608 | 3.784 | 6.019 | 6.566 | 7.113 | 7.66 | 8.207 | 9.196 | 9.909 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Percentage of DebtInstrumentUnamortizedPremium | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 |
| Value | 1672000.0 | 2329000.0 | 2625000.0 | 2882000.0 | 3100000.0 | 3185000.0 | 3796000.0 | 4078000.0 | 4248000.0 | 1729000.0 | 1895000.0 | 2109000.0 | 2320000.0 | 2494000.0 | 2723000.0 | 2991000.0 | 1398000.0 | 1557000.0 | 1727000.0 |
| Percentage of DebtIssuanceCostsLineOfCreditArrangementsNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-09-30 | 2012-06-30 |
| Value | 3.58 | 3.62 | 3.94 | 0.0365 | 0.0349 | 0.0403 | 0.0416 | 0.0411 | 0.041 | 0.0408 | 0.0404 | 0.04 | 0.0401 | 0.0395 | 0.0403 | 0.0389 | 0.038 | 0.0401 | 0.037 | 0.0383 | 0.0396 | 0.0358 | 0.0369 | 0.0406 | 0.0426 | 0.0431 | 0.0459 | 0.0466 |
| Percentage of DebtWeightedAverageInterestRate | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-09-30 |
| Value | 3.59 | 3.7 | 4.17 | 0.0417 | 0.0379 | 0.0401 | 0.0414 | 0.0409 | 0.0413 | 0.041 | 0.0411 | 0.0408 | 0.0408 | 0.0408 | 0.0413 | 0.0405 | 0.0412 | 0.042 |
| Percentage of DebtWeightedAverageInterestRate | 100.3 | 102.2 | 105.8 | 114.2 | 108.6 | 99.5 | 99.5 | 99.5 | 100.7 | 100.5 | 101.7 | 102.0 | 101.7 | 103.3 | 102.5 | 104.1 | 108.4 | 104.7 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 3.5 | 1.71 | 1.53 | 0.0141 | 0.0253 | 0.0392 | 0.042 | 0.0414 | 0.0371 | 0.0355 | 0.0338 | 0.0273 | 0.0273 | 0.0247 | 0.0203 | 0.0209 | 0.0197 | 0.0185 | 0.0183 | 0.0188 | 0.0194 | 0.0199 | 0.0214 |
| Percentage of DebtWeightedAverageInterestRate | 97.8 | 47.2 | 38.8 | 38.6 | 72.5 | 97.3 | 101.0 | 100.7 | 90.5 | 87.0 | 83.7 | 68.2 | 68.1 | 62.5 | 50.4 | 53.7 | 51.8 | 46.1 | 49.5 | 49.1 | 49.0 | 55.6 | 58.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 |
| Value | 57 | 58 | 63 | 63 | 66 | 69 | 73 | 76 | 85 | 93 | 95 | 99 | 100 | 108 | 112 | 115 | 119 | 126 | 129 | 133 | 137 | 143 | 157 | 150 | 151 | 154 | 168 | 190 | 53 | 54 | 56 | 41 | 40 | 35 | 34 | 32 | 31 | 30 | 31 | 30 | 28 | 24 |
| Percentage of DeferredCosts | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 |
| Value | 11 | 11 | 7.014 | 7.366 | 7.898 | 8.33 | 8.898 | 9.578 | 10 | 11 | 12 | 11 | 11 | 9.949 | 10 | 11 | 11 | 12 | 12 | 13 | 8.421 | 9.048 | 9.6 |
| Percentage of DeferredFinanceCostsNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2019-12-31 |
| Value | 1.381 | 1.541 | 1.672 | 1.857 | 2.165 | 2.625 |
| Percentage of DeferredFinanceCostsNet | 11.8 | 13.0 | 23.8 | 25.2 | 27.4 | 29.5 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 5.255 | 5.295 |
| Percentage of DeferredFinanceCostsNet | 44.9 | 44.6 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2015-12-31 |
| Value | 3.465 | 3.371 | 3.595 | 3.687 | 3.838 | 4.031 | 4.231 | 4.289 | 4.471 | 4.661 | 4.864 | 5.007 | 5.249 | 5.377 | 5.599 | 5.693 | 5.916 | 6.056 | 6.14 | 2.755 |
| Percentage of DeferredFinanceCostsNet | 29.6 | 28.4 | 51.3 | 50.1 | 48.6 | 48.4 | 47.6 | 44.8 | 43.9 | 42.3 | 40.4 | 43.8 | 43.9 | 54.0 | 52.8 | 51.2 | 50.3 | 49.5 | 48.0 | 28.7 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 |
| Value | 0.017 | 0.022 | 0.025 | 0.03 | 0.033 | 0.038 | 0.04 | 0.251 | 0.384 | 0.509 | 0.584 | 0.632 | 0.685 | 0.694 | 0.755 | 0.814 | 0.873 | 0.933 | 0.994 | 1.068 | 1.224 | 1.385 | 1.555 |
| Percentage of DeferredFinanceCostsNet | 0.1 | 0.2 | 0.4 | 0.4 | 0.4 | 0.5 | 0.4 | 2.6 | 3.8 | 4.6 | 4.9 | 5.5 | 5.7 | 7.0 | 7.1 | 7.3 | 7.4 | 7.6 | 7.8 | 7.9 | 14.5 | 15.3 | 16.2 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 |
| Value | 0.04 | 0.057 | 0.075 | 0.092 | 0.109 | 0.126 | 0.143 | 0.244 | 0.27 | 0.295 | 0.321 | 0.346 | 0.304 | 0.562 | 0.599 | 0.636 | 0.674 | 0.711 | 0.749 | 0.786 | 0.44 | 0.455 | 0.455 |
| Percentage of DeferredFinanceCostsNet | 0.3 | 0.5 | 1.1 | 1.2 | 1.4 | 1.5 | 1.6 | 2.5 | 2.6 | 2.7 | 2.7 | 3.0 | 2.5 | 5.6 | 5.6 | 5.7 | 5.7 | 5.8 | 5.9 | 5.8 | 5.2 | 5.0 | 4.7 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 |
| Value | 1.541 | 1.594 | 1.647 | 1.7 | 1.753 | 1.806 | 1.859 | 1.912 | 1.964 | 2.377 | 2.47 | 1.38 | 1.481 | 1.587 | 1.759 | 1.871 | 1.986 | 2.052 | 2.179 | 2.309 | 2.641 | 2.797 | 2.985 |
| Percentage of DeferredFinanceCostsNet | 13.2 | 13.4 | 23.5 | 23.1 | 22.2 | 21.7 | 20.9 | 20.0 | 19.3 | 21.6 | 20.5 | 12.1 | 12.4 | 16.0 | 16.6 | 16.8 | 16.9 | 16.8 | 17.0 | 17.1 | 31.4 | 30.9 | 31.1 |
| Period End | 2021-04-30 |
| Value | 3.7 |
| Percentage of DerivativeBasisSpreadOnVariableRate | 100.0 |
| Period End | 2021-06-30 |
| Value | 3.7 |
| Percentage of DerivativeBasisSpreadOnVariableRate | 0.0 |
| Period End | 2021-06-30 |
| Value | 155 |
| Percentage of DerivativeNotionalAmount | 100.0 |
| Period End | 2021-04-30 |
| Value | 155 |
| Percentage of DerivativeNotionalAmount | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 |
| Value | 36 | 27 | 27 | 27 | 33 | 43 | 41 | 34 | 39 | 30 | 32 | 34 | 43 | 44 | 45 | 78 | 69 | 70 | 69 | 138 | 129 | 133 | 121 | 125 | 100 | 88 | 117 | 130 | 112 | 106 | 167 | 223 | 182 | 149 | 137 | 147 | 147 | 162 | 158 |
| Percentage of DevelopmentInProcess | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 |
| Value | 3600000.0 |
| Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 |
| Value | 5400000.0 | 1500000.0 | 1500000.0 | 2400000.0 | 3200000.0 |
| Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized | 150.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 3000000.0 | 3900000.0 | 4200000.0 | 4200000.0 | 5300000.0 | 6900000.0 | 3400000.0 | 2100000.0 |
| Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized | 83.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2019-09-30 | 2019-06-30 | 2018-12-31 | 2018-09-30 | 2017-12-31 |
| Value | 35.0 | 35.0 | 35.0 | 35.0 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 |
| Percentage of EquityMethodInvestmentOwnershipPercentage | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2017-12-31 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 |
| Value | 13 | 13 | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 3.9 | 0.014421 | 0.015357 | 0.015522 | 22 | 22 | 21 | 21 | 21 | 16 | 11 |
| Percentage of EquityMethodInvestments | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2017-12-31 |
| Value | 13 | 13 | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 3.9 |
| Percentage of EquityMethodInvestments | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2013-12-31 |
| Value | 49 | 50 | 55 | 56 | 57 | 59 | 60 | 63 | 66 | 75 | 81 | 87 | 90 | 98 | 107 | 111 | 114 | 120 | 125 | 126 | 128 | 134 | 138 | 129 | 132 | 131 | 142 | 162 | 24 |
| Percentage of FiniteLivedIntangibleAssetAcquiredInPlaceLeases | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 11 | 16 | 21 | 28 | 34 | 40 | 41 | 3.919488 | 1.044096 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Value | 10 | 15 | 19 | 26 | 31 | 35 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive | 90.5 | 91.9 | 90.6 | 91.2 | 90.2 | 86.9 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Value | 1.105 | 1.343 | 1.99 | 2.557 | 3.4 | 5.307 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive | 9.5 | 8.1 | 9.4 | 8.8 | 9.8 | 13.1 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 33 | 36 | 50 | 59 | 68 | 79 | 78 | 21 | 3.201246 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive | 291.3 | 218.0 | 238.4 | 204.8 | 196.9 | 195.5 | 191.0 | 539.9 | 306.6 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 5.387 | 5.772 | 7.343 | 11 | 17 | 21 | 22 | 4.818337 | 0.855314 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Value | 4.409 | 4.846 | 6.086 | 9.441 | 13 | 16 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths | 81.8 | 84.0 | 82.9 | 79.2 | 77.5 | 76.1 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Value | 0.978 | 0.926 | 1.257 | 2.485 | 3.956 | 5.252 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths | 18.2 | 16.0 | 17.1 | 20.8 | 22.5 | 23.9 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 2.523 | 3.192 | 4.552 | 6.304 | 6.633 | 8.198 | 8.212 | 3.857571 | 2.532303 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths | 46.8 | 55.3 | 62.0 | 52.9 | 37.8 | 37.3 | 36.4 | 80.1 | 296.1 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 2262000.0 | 2313000.0 | 3484000.0 | 4708000.0 | 5909000.0 | 7839000.0 | 7920000.0 | 1575600.0 | 271450.0 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Value | 1756000.0 | 1912000.0 | 2991000.0 | 4152000.0 | 5070000.0 | 6560000.0 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive | 77.6 | 82.7 | 85.8 | 88.2 | 85.8 | 83.7 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Value | 506000.0 | 401000.0 | 493000.0 | 556000.0 | 839000.0 | 1279000.0 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive | 22.4 | 17.3 | 14.2 | 11.8 | 14.2 | 16.3 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 2274000.0 | 2474000.0 | 3404000.0 | 3957000.0 | 4496000.0 | 5442000.0 | 5796000.0 | 2500600.0 | 712100.0 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive | 100.5 | 107.0 | 97.7 | 84.0 | 76.1 | 69.4 | 73.2 | 158.7 | 262.3 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 2.665 | 2.887 | 4.231 | 5.562 | 7.35 | 8.982 | 11 | 2.033654 | 0.358926 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Value | 2.136 | 2.463 | 3.678 | 4.756 | 6.232 | 7.507 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour | 80.2 | 85.3 | 86.9 | 85.5 | 84.8 | 83.6 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Value | 0.529 | 0.424 | 0.553 | 0.806 | 1.118 | 1.475 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour | 19.8 | 14.7 | 13.1 | 14.5 | 15.2 | 16.4 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 2.29 | 2.584 | 3.512 | 4.132 | 4.836 | 5.855 | 6.254 | 2.785566 | 0.836092 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour | 85.9 | 89.5 | 83.0 | 74.3 | 65.8 | 65.2 | 54.0 | 137.0 | 232.9 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 3.397 | 3.63 | 5.024 | 6.979 | 8.557 | 12 | 16 | 2.670451 | 0.483791 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Value | 2.721 | 3.184 | 4.231 | 5.909 | 7.242 | 10 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree | 80.1 | 87.7 | 84.2 | 84.7 | 84.6 | 78.7 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Value | 0.676 | 0.446 | 0.793 | 1.07 | 1.315 | 2.724 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree | 19.9 | 12.3 | 15.8 | 15.3 | 15.4 | 21.3 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 2.287 | 2.772 | 3.693 | 4.454 | 5.337 | 6.414 | 6.838 | 2.762265 | 1.323558 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree | 67.3 | 76.4 | 73.5 | 63.8 | 62.4 | 50.2 | 41.5 | 103.4 | 273.6 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 4.318 | 4.553 | 6.369 | 8.156 | 12 | 18 | 19 | 3.822822 | 0.637844 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Value | 3.59 | 3.872 | 5.297 | 6.905 | 9.814 | 13 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo | 83.1 | 85.0 | 83.2 | 84.7 | 79.4 | 76.4 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Value | 0.728 | 0.681 | 1.072 | 1.251 | 2.55 | 4.293 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo | 16.9 | 15.0 | 16.8 | 15.3 | 20.6 | 23.6 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 2.341 | 2.973 | 4.015 | 4.953 | 5.91 | 7.143 | 7.527 | 3.106572 | 2.160795 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo | 54.2 | 65.3 | 63.0 | 60.7 | 47.8 | 39.3 | 37.9 | 81.3 | 338.8 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 |
| Value | 7097000.0 | 6964000.0 | 6979000.0 | 7026000.0 | 7932000.0 | 7907000.0 | 7775000.0 | 7667000.0 | 7715000.0 | 7765000.0 | 7741000.0 | 9151000.0 | 9022000.0 | 8757000.0 | 8453000.0 | 7890000.0 | 7550000.0 | 7456000.0 | 7246000.0 | 6960000.0 | 6802000.0 | 6547000.0 | 6431000.0 | 6398000.0 | 6315000.0 | 5889000.0 | 6531000.0 | 4970300.0 | 4872300.0 | 5087200.0 | 5001300.0 | 4419900.0 | 4246600.0 | 4753300.0 | 4694700.0 | 5474400.0 | 5381200.0 | 5316700.0 | 5166300.0 |
| Percentage of FixturesAndEquipmentGross | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 |
| Value | 26 | 25 | 32 | 34 | 35 | 33 | 16 | 20 | 16 | 8.5 | 3.5 | 5.8 | 5.6 | 4.8 | 2.4 | 0.1 | 0.5 | 2.2 | 4.8 | 4.4 | 1.8 | 0.4 | 1.1 | 0.5 | 0.6 |
| Percentage of InterestRateFairValueHedgeDerivativeAtFairValueNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2013-12-31 |
| Value | 0.3 | 0.4 | 0.4 | 0.4 | 0.4 | 0.1 | 0.1 | 0.02 | 0.048 | 0.17 | 0.1 | 0.02 | 0.1 | 0.2 | 0.2 | 0.3 | 0.4 | 0.4 | 0.3 | 0.3 | 0.4 | 0.5 | 0.4 | 0.4 | 0.5 | 0.5 | 0.3 |
| Percentage of InterestRateFairValueHedgeDerivativeAtFairValueNet | 1.1 | 1.6 | 1.2 | 1.2 | 1.1 | 0.3 | 0.6 | 0.1 | 0.3 | 2.0 | 2.9 | 0.4 | 4.2 | 200.0 | 40.0 | 0.0 | 18.2 | 0.0 | 0.0 | 0.0 | 8.3 | 0.0 | 0.0 | 0.0 | 11.4 | 0.0 | 27.3 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2011-12-31 | 2010-12-31 |
| Value | 32 | 16 | 3.5 | 2.4 | 0.4 | 2.2 | 11 | 14 | 11 | 4.8 | 9.0 | 5.6 | 7.3 | 4.4 | 2.8 | 5.3 | 5.9 | 6.4 | 4.8 | 1.7 | 1.7 |
| Percentage of InterestRateFairValueHedgeLiabilityAtFairValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 |
| Value | 0.4 | 0.1 | 0.1 | 0.1 | 0.4 | 0.4 | 0.5 |
| Percentage of InterestRateFairValueHedgeLiabilityAtFairValue | 1.2 | 0.6 | 2.9 | 4.2 | 18.2 | 8.3 | 11.4 |
| Period End | 2020-12-31 |
| Value | 1789000.0 |
| Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths | 100.0 |
| Period End | 2020-12-31 |
| Value | 1193 |
| Percentage of LessorOperatingLeasePaymentsToBeReceived | 100.0 |
| Period End | 2020-12-31 |
| Value | 111 |
| Percentage of LessorOperatingLeasePaymentsToBeReceivedFiveYears | 100.0 |
| Period End | 2020-12-31 |
| Value | 137 |
| Percentage of LessorOperatingLeasePaymentsToBeReceivedFourYears | 100.0 |
| Period End | 2020-12-31 |
| Value | 217 |
| Percentage of LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths | 100.0 |
| Period End | 2020-12-31 |
| Value | 365 |
| Percentage of LessorOperatingLeasePaymentsToBeReceivedThereafter | 100.0 |
| Period End | 2020-12-31 |
| Value | 165 |
| Percentage of LessorOperatingLeasePaymentsToBeReceivedThreeYears | 100.0 |
| Period End | 2020-12-31 |
| Value | 196 |
| Percentage of LessorOperatingLeasePaymentsToBeReceivedTwoYears | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2016-09-30 |
| Value | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 2.0 | 2.0 | 12 |
| Percentage of LettersOfCreditOutstandingAmount | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-08-05 | 2017-07-31 |
| Value | 100 | 125 |
| Percentage of LineOfCredit | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-06-30 | 2014-03-31 |
| Value | 422 | 385 | 523 | 448 | 583 | 449 | 373 | 409 | 339 | 49 | 49 |
| Percentage of LineOfCreditFacilityRemainingBorrowingCapacity | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 |
| Value | 1100 | 1000 | 872 | 846 | 837 | 839 | 864 | 900 | 1000 |
| Percentage of LongTermDebtFairValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-06-30 | 2014-03-31 |
| Value | 279 | 304 | 329 | 337 | 487 | 587 | 307 | 322 | 370 | 523 | 466 | 497 | 482 | 560 | 574 | 555 | 583 | 637 | 635 | 601 | 824 | 781 | 734 | 661 | 862 | 809 | 751 | 603 | 598 |
| Percentage of LongTermDebtFairValue | 25.4 | 30.4 | 37.7 | 39.9 | 58.2 | 69.9 | 35.6 | 35.9 | 37.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 379 | 0.860168 | 117 | 234 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 2.303 | 0.118905 | 92 | 34 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 330 | 0.164932 | 237 | 55 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 0.854 | 0.073754 | 158 | 223 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 257 | 0.055024 | 149 | 68 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 204 | 0.253321 | 101 | 83 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 3.62 | 0.0347 | 0.0455 |
| Percentage of LongTermDebtPercentageBearingFixedInterestRate | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 1.28 | 0.0339 | 0.0365 |
| Percentage of LongTermDebtPercentageBearingFixedInterestRate | 35.4 | 97.7 | 80.2 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2013-12-31 |
| Value | 0.14 | 0.0176 | 0.025 | 0.0156 | 0.0123 | 0.0122 | 0.0098 | 0.0077 | 0.0053 | 0.0047 | 0.0044 | 0.0043 | 0.0019 | 0.0019 | 0.0018 | 0.0017 | 0.0015 | 0.0017 |
| Percentage of LongTermDebtPercentageBearingVariableInterestRate | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2015-12-31 | 2015-09-30 | 2013-12-31 | 2012-12-31 | 2011-12-31 |
| Value | 1000 | 1000 | 846 | 846 | 846 | 874 | 847 | 900 | 1000 | 1100 | 1100 | 1100 | 1100 | 1100 | 1100 | 1100 | 1100 | 1100 | 1100 | 1200 | 1006 | 1000 | 276 | 338 | 375 |
| Percentage of LongtermDebtPercentageBearingFixedInterestAmount | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2013-12-31 | 2012-12-31 | 2011-12-31 |
| Value | 279 | 304 | 330 | 355 | 581 | 361 | 313 |
| Percentage of LongtermDebtPercentageBearingVariableInterestAmount | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2017-12-31 |
| Value | 2.8 | 2.9 | 2.9 | 2.6 | 0.026 | 0.026 | 0.025 | 0.024 | 0.024 | 0.024 | 0.023 |
| Percentage of MinorityInterestOwnershipPercentageByNoncontrollingOwners | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2017-12-31 |
| Value | 97.2 | 97.1 | 97.1 | 97.4 | 0.974 | 0.974 | 0.975 | 0.976 | 0.976 | 0.976 | 0.977 |
| Percentage of MinorityInterestOwnershipPercentageByParent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 |
| Value | 83 | 83 | 85 | 86 | 86 | 83 | 90 | 89 | 94 | 102 | 83 | 82 | 87 | 90 | 96 | 101 | 103 | 110 | 112 | 120 | 122 | 127 | 131 | 137 | 142 | 134 | 136 | 141 | 40 | 41 | 44 | 18 | 18 | 20 | 20 | 15 | 13 | 12 | 12 | 13 | 13 | 15 |
| Percentage of OtherLiabilities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 |
| Value | 83 | 83 | 85 | 86 | 86 | 83 | 90 | 89 | 94 | 102 | 83 | 82 | 87 | 90 | 96 | 101 | 103 | 110 | 112 | 120 | 122 | 127 | 131 | 137 | 142 | 134 | 136 |
| Percentage of OtherLiabilities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 1213 | 1231 | 1230 | 1242 | 1248 | 1252 | 1289 | 1302 | 1352 | 1386 | 1412 | 1478 | 1499 | 1524 | 1565 | 1584 | 1609 | 1619 | 1643 | 1644 | 1661 | 1689 | 1725 | 1842 | 1866 | 1877 | 1898 | 753 | 473 |
| Percentage of PartnersCapital | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | -24.354 | -24.348 | -30.885 | -32.977 | -34.03 | -32.45 | -16.283 | -20.209 | -15.892 | -8.427 | -3.497 | 5.7 | 5.649 | 5.147 | 2.99 | 1.05 | 0.736 | 1.146 | -0.316 | -8.738 | -11.85 | -9.29 | -2.145 | -6.209 | -2.809 | -4.339 | -1.175 | 1.353 | -5.259 |
| Percentage of PartnersCapital | -2.0 | -2.0 | -2.5 | -2.7 | -2.7 | -2.6 | -1.3 | -1.6 | -1.2 | -0.6 | -0.2 | 0.4 | 0.4 | 0.3 | 0.2 | 0.1 | 0.0 | 0.1 | -0.0 | -0.5 | -0.7 | -0.5 | -0.1 | -0.3 | -0.2 | -0.2 | -0.1 | 0.2 | -1.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 1237 | 1256 | 1261 | 1275 | 1282 | 1285 | 1305 | 1322 | 1368 | 1395 | 1416 | 1472 | 1493 | 1519 | 1562 | 1583 | 1608 | 1618 | 1643 | 1653 | 1672 | 1699 | 1728 | 1745 | 1766 | 1779 | 1797 | 649 | 376 |
| Percentage of PartnersCapital | 102.0 | 102.0 | 102.5 | 102.7 | 102.7 | 102.6 | 101.3 | 101.6 | 101.2 | 100.6 | 100.2 | 99.6 | 99.6 | 99.7 | 99.8 | 99.9 | 100.0 | 99.9 | 100.0 | 100.5 | 100.7 | 100.5 | 100.1 | 94.8 | 94.7 | 94.8 | 94.7 | 86.2 | 79.5 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 |
| Value | 39 | 42 | 39 | 39 | 38 | 36 | 34 | 37 | 37 | 41 | 12 | 17 | 14 | 20 | 16 | 12 | 10 | 12 | 9.727 | 10 | 8.647 | 10 | 8.852 | 10 | 8.664 | 11 | 8.847 | 12 | 3.705 | 6.815 | 4.546752 | 4.018249 | 5.204811 | 2.908459 | 2.16914 | 2.478611 | 2.200902 | 2.144204 | 1.95979 | 2.466816 | 2.034874 | 1.656746 |
| Percentage of PrepaidExpenseAndOtherAssets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 |
| Value | 39 | 42 | 39 | 39 | 38 | 36 | 34 | 37 | 37 | 41 | 12 | 17 | 14 | 20 | 16 | 12 | 10 | 12 | 9.727 | 10 | 8.647 | 10 | 8.852 | 10 | 8.664 | 11 | 8.847 |
| Percentage of PrepaidExpenseAndOtherAssets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 750 | 661 | 695 | 660 | 556 | 428 | 313 | 229 | 190 | 174 | 147 |
| Percentage of RealEstateAccumulatedDepreciation | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 2476 | 2412 | 2841 | 3075 | 3100 | 3033 | 2998 | 1436 | 1034 |
| Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 660 | 666 | 792 | 873 | 888 | 892 | 898 | 435 | 352 |
| Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfLand | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 2248 | 2203 | 2624 | 2895 | 2954 | 2927 | 2917 | 1365 | 980 |
| Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 656 | 663 | 789 | 871 | 885 | 889 | 898 | 435 | 351 |
| Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfLand | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 3136 | 3079 | 3633 | 3949 | 3988 | 3926 | 3897 | 1872 | 1390 | 1268 | 1194 |
| Percentage of RealEstateGrossAtCarryingValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 | 2009-12-31 |
| Value | 803 | 778 | 755 | 735 | 711 | 687 | 666 | 666 | 697 | 697 | 699 | 700 | 677 | 671 | 664 | 635 | 608 | 584 | 560 | 531 | 494 | 461 | 432 | 410 | 379 | 347 | 315 | 282 | 251 | 238 | 232 | 220 | 217 | 204 | 194 | 191 | 189 | 184 | 178 | 173 | 166 | 152 | 123 |
| Percentage of RealEstateInvestmentPropertyAccumulatedDepreciation | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 |
| Value | 803 | 778 | 755 | 735 | 711 | 687 | 666 | 666 | 697 | 697 | 699 | 700 | 677 | 671 | 664 | 635 | 608 | 584 | 560 | 531 | 494 | 461 | 432 | 410 | 379 | 347 | 315 |
| Percentage of RealEstateInvestmentPropertyAccumulatedDepreciation | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 | 2009-12-31 |
| Value | 3147 | 3137 | 3143 | 3083 | 3092 | 3091 | 3087 | 3153 | 3386 | 3581 | 3641 | 3752 | 3753 | 3865 | 3957 | 3955 | 3939 | 3984 | 3996 | 3990 | 3968 | 3947 | 3933 | 3980 | 3876 | 3753 | 3732 | 3673 | 1877 | 1863 | 1877 | 1528 | 1532 | 1441 | 1394 | 1311 | 1270 | 1260 | 1273 | 1260 | 1241 | 1199 | 1166 |
| Percentage of RealEstateInvestmentPropertyAtCost | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 |
| Value | 3147 | 3137 | 3143 | 3083 | 3092 | 3091 | 3087 | 3153 | 3386 | 3581 | 3641 | 3752 | 3753 | 3865 | 3957 | 3955 | 3939 | 3984 | 3996 | 3990 | 3968 | 3947 | 3933 | 3980 | 3876 | 3753 | 3732 |
| Percentage of RealEstateInvestmentPropertyAtCost | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 |
| Value | 2343 | 2358 | 2388 | 2347 | 2380 | 2403 | 2420 | 2487 | 2689 | 2884 | 2941 | 3051 | 3076 | 3194 | 3293 | 3320 | 3331 | 3399 | 3435 | 3458 | 3473 | 3486 | 3500 | 3570 | 3497 | 3405 | 3417 | 3391 | 1626 | 1624 | 1644 | 1307 | 1315 | 1236 | 1200 | 1119 | 1081 | 1076 | 1095 | 1087 | 1075 | 1047 |
| Percentage of RealEstateInvestmentPropertyNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 |
| Value | 2343 | 2358 | 2388 | 2347 | 2380 | 2403 | 2420 | 2487 | 2689 | 2884 | 2941 | 3051 | 3076 | 3194 | 3293 | 3320 | 3331 | 3399 | 3435 | 3458 | 3473 | 3486 | 3500 | 3570 | 3497 | 3405 | 3417 |
| Percentage of RealEstateInvestmentPropertyNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 | 2009-12-31 |
| Value | 57 | 52 | 43 | 44 | 44 | 44 | 52 | 45 | 45 | 46 | 45 | 47 | 48 | 48 | 72 | 73 | 73 | 77 | 88 | 99 | 100 | 99 | 92 | 86 | 88 | 91 | 125 | 109 | 40 | 39 | 43 | 40 | 40 | 45 | 37 | 34 | 39 | 41 | 41 | 41 | 43 | 44 | 47 |
| Percentage of RedeemableNoncontrollingInterestEquityCarryingAmount | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2016-12-31 |
| Value | 57 | 52 | 43 | 44 | 44 | 44 | 52 | 45 | 46 | 45 | 47 | 48 | 48 | 72 | 73 | 73 | 88 |
| Percentage of RedeemableNoncontrollingInterestEquityCarryingAmount | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2016-12-31 |
| Value | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 32 | 32 | 32 | 40 |
| Percentage of RedeemableNoncontrollingInterestEquityOtherCarryingAmount | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2016-12-31 |
| Value | 47 | 41 | 33 | 34 | 34 | 34 | 42 | 35 | 36 | 35 | 37 | 38 | 38 | 39 | 40 | 40 | 47 |
| Percentage of RedeemableNoncontrollingInterestEquityPreferredCarryingAmount | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 |
| Value | 2.938 | 21 | 10 | 8.094 |
| Percentage of RestrictedCash | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2013-12-31 |
| Value | 4.186 | 3.688 | 2.938 | 8.035 | 21 | 21 | 21 | 9.548 | 23 | 23 | 10 | 10 | 10 | 9.795 | 8.094 | 8.878 | 8.717 | 9.609 | 9.037 | 9.585 | 11 | 13 | 13 | 15 | 23 | 17 | 16 | 17 | 11 |
| Percentage of RestrictedCashAndCashEquivalents | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 |
| Value | 4.186 | 3.688 | 2.938 | 8.035 | 21 | 21 | 21 | 9.548 | 23 | 23 | 10 | 10 | 10 | 9.795 | 8.094 | 8.878 | 8.717 | 9.609 | 9.037 | 9.585 | 11 | 13 | 13 | 15 | 23 | 17 | 16 |
| Percentage of RestrictedCashAndCashEquivalents | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Value | 228 | 209 | 216 | 179 | 145 | 105 |
| Percentage of SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionBuildingsAndImprovements | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Value | 3452000.0 | 3452000.0 | 2861000.0 | 2692000.0 | 2333000.0 | 3073000.0 |
| Percentage of SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionLand | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Value | 13.32 | 15.65 | 17.6 | 23.13 | 22.57 | 21.25 |
| Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 |
| Value | 14.42 | 17.19 | 18.93 | 24.8 | 26.1 | 25.61 | 22.87 |
| Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue | 108.3 | 109.8 | 107.6 | 107.2 | 115.6 | 120.5 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 |
| Value | 20.67 | 20.25 | 17.08 | 37.77 | 37.6 | 32.44 | 34.16 | 10.25 | 10.1 | 10.58 |
| Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-02-28 |
| Value | 150 |
| Percentage of StockRepurchaseProgramAuthorizedAmount1 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2018-12-31 |
| Value | 57 | 52 | 43 | 44 | 44 | 44 | 52 | 45 |
| Percentage of TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2018-12-31 |
| Value | 57 | 52 | 43 | 44 | 44 | 44 | 52 | 45 |
| Percentage of TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
