| 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:CommonStockValue | ████▇▇▇▇▇▆▆▆▆▆▆▆▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁ | 2.208 | 2.159 | 2.106 | 2.069 | 2.056 | 2.056 | 2.052 | 1.937 | 1.895 | 1.784 | 1.783 | 1.783 | 1.783 | 1.783 | 1.783 | 1.758 | 0.654 | 0.654 | 0.653 | 0.653 | 0.653 | 0.653 | 0.652 | 0.651 | 0.651 | 0.592 | 0.59 | 0.476 | 0.473 | 0.391 | 0.388 | 0.373 | 0.373 | 0.373 | 0.371 | 0.371 | 0.371 | 0.37 | 0.369 | 0.369 | 0.251 | NA | 0.251 |
| us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding | █▁ | 216.264207 | 212.624305 | NA | 206.727167 | 206.219162 | 206.006285 | NA | 191.952389 | 182.2541 | 178.385984 | NA | 178.941213 | 178.684024 | 178.516388 | NA | 112.4181 | 65.670853 | 65.920486 | NA | 65.591428 | 65.503383 | 65.248203 | NA | 65.398175 | 59.543781 | 59.559253 | NA | 47.877202 | 44.096297 | 38.968403 | NA | 37.828573 | 37.357112 | 37.739964 | NA | 37.465114 | 37.191687 | 37.058886 | NA | 33.049621 | 25.226179 | 25.211585 | 25.186988 |
| us-gaap:WeightedAverageNumberOfSharesOutstandingBasic | █▁ | 216.264207 | 211.450699 | NA | 205.791699 | 205.593653 | 205.39533 | NA | 190.6504 | 181.567464 | 178.385984 | NA | 178.317769 | 178.31475 | 178.294605 | NA | 112.149638 | 65.438739 | 65.354649 | NA | 65.312288 | 65.303057 | 65.248203 | NA | 65.16029 | 59.323799 | 59.185225 | NA | 47.359949 | 43.655292 | 38.968403 | NA | 37.358334 | 37.357112 | 37.286121 | NA | 37.178162 | 37.147942 | 37.03597 | NA | 32.986657 | 25.154284 | 25.13614 | 25.110936 |
| us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities sbra:ForwardEquitySaleAgreementShares | NA | 0.0041 | 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 | |
| us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:RestrictedStockUnitsRSU | ▁█ | 0.0046 | 0.0301 | NA | 0.0997 | 0.0884 | 0.0063 | NA | 0.0 | 0.0011 | 0.0031 | NA | 0.0 | 0.0353 | 0.0214 | NA | 0.0068 | 0.0159 | 0.00013 | NA | 0.0012 | 0.0242 | 0.054 | NA | 0.0001 | 0.0107 | 0.0003 | NA | 0.0 | 0.009 | 0.038 | NA | 0.0 | NA | 0.0001 | NA | 0.0 | 0.3 | 0.013 | NA | 0.042 | 0.3 | NA | 0.0002 |
| us-gaap:EarningsPerShareBasic | ▁▄▄▄▄▄▄▄▅▂▃▄█▅▇▄▅▅▅▅▆▂▅▄▄▅▅▅▅▂▅▅▃▅▄▄▄▄▄▄▄▄▄ | -0.61 | 0.16 | 0.18000000000000005 | 0.18 | 0.14 | 0.17 | 0.21 | 0.12 | 0.46 | -0.44 | -0.1100000000000001 | 0.2 | 1.09 | 0.34 | 0.82 | 0.11 | 0.27 | 0.25 | 0.32000000000000006 | 0.35 | 0.53 | -0.28 | 0.3500000000000001 | 0.24 | 0.24 | 0.29 | 0.4 | 0.31 | 0.28 | -0.25 | 0.27999999999999997 | 0.25 | -0.09 | 0.25 | 0.11000000000000004 | 0.14 | 0.16 | 0.12 | 0.22999999999999998 | 0.07 | 0.08 | 0.05 | 0.0 |
| us-gaap:EarningsPerShareDiluted | ▁▄▄▄▄▄▄▄▅▂▃▄█▅▇▄▅▅▅▅▆▂▅▅▅▅▅▅▅▂▅▅▃▅▄▄▄▄▄▄▄▄▄ | -0.61 | 0.16 | 0.18000000000000005 | 0.18 | 0.14 | 0.17 | 0.21 | 0.12 | 0.46 | -0.44 | -0.1100000000000001 | 0.2 | 1.08 | 0.34 | 0.83 | 0.11 | 0.27 | 0.25 | 0.32000000000000006 | 0.35 | 0.53 | -0.28 | 0.3500000000000001 | 0.24 | 0.24 | 0.28 | 0.39 | 0.31 | 0.28 | -0.25 | 0.2700000000000001 | 0.24 | -0.09 | 0.25 | 0.10000000000000003 | 0.14 | 0.16 | 0.12 | 0.22999999999999998 | 0.07 | 0.08 | 0.05 | 0.0 |
| 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 |
|---|
| 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 |
|---|
| 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:ComprehensiveIncomeNetOfTax | ▁▅▅▅▄▄▅▄▅▂▃▅█▅▆▄▄▄▄▄▅▄▄▄▄▄▄▄▄▄ | -142.374 | 66.985 | 46.376 | 42.931 | 25.355 | -3.768 | 46.748 | 14.823 | 74.488 | -91.752 | -33.45 | 37.163 | 204.386 | 71.995 | 111.04 | 20.138 | 21.315 | 18.993 | 30.759 | 25.235 | 37.593 | -17.776 | 23.371 | 17.25 | 15.096 | 17.905 | 20.665 | 17.204 | 14.801 | -7.303 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest | NA | NA | 46.376 | 42.931 | 25.355 | -3.768 | 46.748 | 14.827 | 74.494 | -91.74 | -33.439 | 37.173 | 204.388 | 72.005 | 110.98 | 20.164 | 21.331 | 18.961 | 30.754 | 25.21 | 37.584 | -17.808 | 23.388 | 17.223 | 15.087 | 17.894 | 20.694 | 17.198 | 14.796 | -7.321 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty,us-gaap:DisposalGroupClassification,us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations sbra:SkilledNursingTransitionalCareFacilities,us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations,sbra:A2020Dispositions | NA | NA | 0.1 | 2.7 | -0.1 | 0.2 | 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 | |
| us-gaap:GainsLossesOnExtinguishmentOfDebt | █▁█▇▅ | -0.054 | -0.793 | 0.0 | -0.139 | -0.392 | NA | -5.577 | -0.644 | -10.119 | NA | -2.917 | 0.0 | 0.0 | NA | 0.0 | -0.553 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -0.556 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -0.158 | -0.162 | -22.134 | 0.0 | -0.351 | -9.75 | 0.0 | -1.967 | -0.453 | -0.25 | NA | NA | NA | NA | NA | NA |
| us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType sbra:FifthAmendedandRestatedCreditAgreement,sbra:U.S.DollarTermLoan | █▁ | -0.1 | -0.8 | 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 |
| us-gaap:GeneralAndAdministrativeExpense | ▅▆▅▄▅▅▃▅▅▅▇▅▆▅▅█▇▄▃▄▃▃▂▂▆▅▆▄▅▄▃▂▂▃▃▂▂▃▃▃▂▂▁ | 8.811 | 8.938 | 8.105 | 7.216 | 8.673 | 8.761 | 5.51 | 8.709 | 8.059 | 8.178 | 11.298 | 8.022 | 9.271 | 7.867 | 8.242 | 12.944 | 11.149 | 6.873 | 4.397 | 6.171 | 4.636 | 4.714 | 3.153 | 3.991 | 9.862 | 8.003 | 9.334 | 6.226 | 7.926 | 5.853 | 5.227 | 3.057 | 3.422 | 4.717 | 4.516 | 3.778 | 3.489 | 4.321 | 4.228 | 4.652 | 2.923 | 2.67 | 1.553 |
| us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | NA | 39.157 | 40.052 | 33.556 | 42.192 | 39.926 | 42.012 | 24.717 | 88.184 | -75.697 | -16.414 | 37.685 | 203.741 | 62.545 | 104.459 | 14.874 | 20.672 | 19.011 | 23.433 | 25.466 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 0.249 | |
| us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | ▄ | 37.738 | NA | NA | NA | 42.192 | 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 | 0.249 |
| us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | NA | 33.447 | 37.117 | 36.46 | 29.623 | 35.217 | 39.741 | 23.286 | 83.683 | -77.692 | -19.383 | 35.228 | 200.789 | 62.481 | 103.969 | 15.069 | 20.536 | 18.791 | 23.17 | 25.312 | 37.466 | -15.743 | 25.084 | 18.034 | 16.826 | 19.439 | 22.236 | 17.198 | 14.796 | -7.321 | 12.999 | 11.821 | -0.662 | 9.557 | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:AccumulatedDistributionsInExcessOfNetIncome | NA | 33.447 | 37.117 | 36.46 | 29.623 | 35.217 | 39.741 | 23.282 | 83.677 | -77.704 | -19.394 | 35.218 | 200.787 | 62.471 | 103.945 | 15.095 | 20.52 | 18.823 | 23.175 | 25.337 | 37.475 | -15.711 | 25.067 | 18.061 | 16.835 | 19.45 | 22.25 | 17.204 | 14.801 | -7.303 | 12.999 | 11.821 | -0.662 | 9.557 | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:Parent | NA | NA | 37.117 | 36.46 | 29.623 | 35.217 | 39.741 | 23.282 | 83.677 | -77.704 | -19.394 | 35.218 | 200.787 | 62.471 | 103.945 | 15.095 | 20.52 | 18.823 | 23.175 | 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:IncomeTaxExpenseBenefit | ▅▆▁▃▅██▇▇▆█▆▆▅▅▃▄▄▄▄ | 0.522 | 0.7 | -0.627 | -0.138 | 0.433 | 1.042 | 1.11 | 0.826 | 0.854 | 0.612 | 1.164 | 0.732 | 0.605 | 0.51 | 0.49 | -0.195 | 0.136 | 0.22 | 0.263 | 0.154 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 0.242 |
| us-gaap:InterestAndFeeIncomeLoansAndLeases | ▁▁▁▁▁▁▁▁█▁▁▁▁▁▂▁▁▁▁▁ | 3.031 | 2.941 | 3.184 | 3.299 | 2.606 | 2.851 | 4.395 | 3.325 | 70.495 | 3.325 | 3.844 | 3.932 | 4.553 | 4.338 | 6.964 | 4.09 | 2.027 | 1.945 | 1.981 | 3.157 | 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:InterestExpenseDebt | ▅▅▅▅▅▆▆▆▇█████▇▅▄▃▃▃▄▄▄▃▃▃▃▂▂▃▂▂▂▂▃▂▂▂▂▂▂▂▁ | 24.27 | 24.443 | 24.524 | 24.904 | 25.292 | 25.704 | 27.429 | 29.255 | 33.608 | 36.3 | 37.22 | 37.305 | 36.8 | 35.8 | 32.222 | 24.568 | 15.862 | 15.788 | 15.734 | 15.794 | 16.427 | 16.918 | 16.11 | 15.176 | 14.052 | 13.88 | 14.29 | 10.54 | 10.994 | 11.134 | 10.576 | 9.739 | 10.143 | 10.002 | 11.621 | 9.538 | 8.148 | 7.698 | 7.593 | 7.624 | 7.505 | 7.597 | 3.859 |
| us-gaap:InterestPaidNet | ▂▁▂▁▃▁▂▃▅█▃█▂█ | 24.038 | 21.62 | 24.594 | 20.328 | 26.141 | 21.526 | 23.624 | 25.599 | 32.436 | 42.195 | 26.149 | 43.726 | 25.17 | 42.623 | 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 | ▄ | -132.573 | NA | NA | NA | 29.623 | NA | 39.741 | 23.282 | 83.677 | -77.704 | -19.394 | 35.218 | 200.787 | 62.471 | 103.945 | 15.095 | 20.52 | 18.823 | 23.175 | 25.337 | 37.475 | -15.711 | 25.067 | 18.061 | 16.835 | 19.45 | 22.25 | 17.204 | 14.801 | -7.303 | 12.999 | 11.821 | -0.662 | 9.557 | 3.959 | 5.226 | 5.923 | 4.405 | 7.164 | 2.344 | 2.087 | 1.248 | 0.007 |
| us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:AccumulatedDistributionsInExcessOfNetIncome | ▄ | -132.573 | NA | NA | NA | 29.623 | 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 | 12.999 | 11.821 | -0.662 | 9.557 | 3.959 | 5.226 | 5.923 | 4.405 | 7.164 | 2.343 | 2.087 | 1.248 | 0.007 |
| us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic | ▁▅▅▅▄▅▅▄▆▂▃▅█▅▆▄▄▄▄▄▅▃▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄ | -132.573 | 33.447 | 37.117 | 36.46 | 29.623 | 35.217 | 39.741 | 23.282 | 83.677 | -77.704 | -19.394 | 35.218 | 193.58 | 59.91 | 101.385 | 12.534 | 17.96 | 16.262 | 20.615 | 22.776 | 34.915 | -18.272 | 22.507 | 15.5 | 14.275 | 16.889 | 19.69 | 14.643 | 12.241 | -9.864 | 10.439 | 9.242 | -3.185 | 9.253 | 3.959 | 5.226 | 5.923 | 4.405 | NA | NA | NA | NA | NA |
| us-gaap:OperatingCostsAndExpenses us-gaap:ProductOrService sbra:SeniorHousingFacilitiesManagedPortfolio | █████▇▇▆▆▁▁▁▁▁ | 28.901 | 28.945 | 27.987 | 27.745 | 27.97 | 27.261 | 25.999 | 23.979 | 24.239 | 12.04 | 12.512 | 12.611 | 12.299 | 12.124 | 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:OperatingCostsAndExpenses us-gaap:ProductOrService sbra:TripleNetPortfolio | ▇▇▇▇▇▆▇▇█▇▁▁▁▁ | 5.0 | 5.135 | 5.109 | 5.249 | 5.331 | 4.901 | 5.075 | 5.611 | 6.24 | 5.289 | 0.0 | 0.0 | 0.0 | 0.0 | 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 |
| us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax | ▄█▆▅▄▁▆▄▄▄▃▅▅▆▆▅▅ | -9.583 | 33.789 | 10.388 | 6.83 | -3.734 | -40.692 | 7.252 | -9.376 | -9.756 | -13.488 | -14.954 | 2.01 | 3.338 | 9.898 | 7.451 | 4.657 | 0.097 | 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:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax | ▄▄▂▄▄█▄▆▆▃▆▄▅▄▄▅▆▃▃▄▅▃▁▇▃▅▅▅▅ | -0.218 | -0.251 | -1.129 | -0.359 | -0.534 | 1.707 | -0.245 | 0.917 | 0.567 | -0.56 | 0.898 | -0.065 | 0.261 | -0.374 | -0.398 | 0.412 | 0.698 | -0.558 | -0.885 | -0.5 | 0.324 | -0.573 | -1.808 | 0.97 | -0.595 | 0.0 | 0.0 | 0.0 | 0.0 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:OtherComprehensiveIncomeLossNetOfTax | ▄█▆▅▄▁▅▄▄▃▃▅▅▆▅▅▅▅▅▅▅▅▅▅▅▅ | -9.801 | 33.538 | 9.259 | 6.471 | -4.268 | -38.985 | 7.007 | -8.459 | -9.189 | -14.048 | -14.056 | 1.945 | 3.599 | 8.729 | 7.053 | 5.069 | 0.795 | 0.17 | 7.584 | -0.102 | 0.118 | -2.065 | -1.696 | -0.811 | -1.739 | -1.545 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedOtherComprehensiveIncome | ▄█▆▅▄▁▅▄▄▃▃▅▅▆▅▅▅▅▅▅▅▅▅▅▅▅ | -9.801 | 33.538 | 9.259 | 6.471 | -4.268 | -38.985 | 7.007 | -8.459 | -9.189 | -14.048 | -14.056 | 1.945 | 3.599 | 8.729 | 7.053 | 5.069 | 0.795 | 0.17 | 7.584 | -0.102 | 0.118 | -2.065 | -1.696 | -0.811 | -1.739 | -1.545 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:Parent | NA | NA | 9.259 | 6.471 | -4.268 | -38.985 | 7.007 | -8.459 | -9.189 | -14.048 | -14.056 | 1.945 | 3.599 | 8.729 | 7.053 | 5.069 | 0.795 | 0.17 | 7.584 | 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:OtherNonoperatingIncomeExpense | ▂▂▂▂▂▂▂▂▁▂▁▂█▂▄▂▂▂▂▂ | -3.83 | 0.653 | -0.121 | 2.691 | -0.128 | 2.042 | -2.784 | -0.448 | -7.365 | -1.349 | -16.84 | 1.35 | 142.903 | 2.348 | 47.464 | 0.08 | 4.973 | 2.129 | 2.413 | 4.396 | 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:RevenueFromContractWithCustomerExcludingAssessedTax | ▆▆▆▆▆▆▆▆▆▆▆▆▆▆▁█▇▇▇▇▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆ | 39.118 | 36.041 | 38.137 | 39.341 | 38.584 | 39.983 | 38.521 | 36.405 | 36.071 | 17.061 | 17.711 | 17.403 | 17.53 | 17.493 | -212.745 | 111.789 | 64.736 | 62.65 | 61.791 | 61.927 | 74.249 | 62.559 | 66.772 | 59.934 | 56.586 | 55.572 | 55.711 | 43.984 | 42.973 | 40.85 | 37.557 | 32.926 | 32.275 | 32.022 | 28.288 | 26.038 | 25.117 | 23.727 | 26.349 | 21.47 | 18.805 | 17.601 | 8.795 |
| us-gaap:Revenues | ▆▆▆▅▆▆▆▆█▅▅▆▆▆▆▄▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▂▁▁▁▁ | 152.932 | 152.365 | 152.054 | 143.252 | 153.917 | 149.346 | 155.763 | 149.834 | 219.366 | 136.773 | 139.209 | 151.802 | 166.312 | 166.086 | 166.472 | 111.789 | 64.736 | 62.65 | 61.791 | 61.927 | 74.249 | 62.559 | 66.772 | 59.934 | 56.586 | 55.572 | 55.711 | 43.984 | 42.973 | 40.85 | 37.557 | 32.926 | 32.275 | 32.022 | 28.288 | 26.038 | 25.117 | 23.727 | 26.349 | 21.47 | 18.805 | 17.601 | 8.795 |
| 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 |
|---|
| 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:Assets | ▇▇▇▇▇▇▇▇▇▇██████▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁ | 5822.141 | 5963.838 | 5985.603 | 5991.618 | 6023.553 | 6092.304 | 6069.299 | 6068.003 | 6123.179 | 6455.145 | 6665.303 | 6910.339 | 7028.144 | 6984.569 | 7032.277 | 6588.307 | 2253.96 | 2240.126 | 2265.919 | 2239.421 | 2253.346 | 2434.156 | 2486.174 | 2425.453 | 2337.802 | 2004.497 | 2064.892 | 2017.366 | 1376.511 | 1331.356 | 1197.835 | 1027.25 | 1022.099 | 964.566 | 916.882 | 843.011 | 778.518 | 746.545 | 749.65 | 758.045 | 595.802 | NA | 599.559 |
| us-gaap:Liabilities | ▅▅▆▆▆▆▆▆▆██████▇▃▃▃▃▃▃▃▃▃▂▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁ | 2439.078 | 2460.434 | 2576.375 | 2627.278 | 2662.302 | 2697.091 | 2580.839 | 2785.586 | 2862.803 | 3404.367 | 3410.556 | 3543.081 | 3620.219 | 3558.003 | 3595.028 | 3216.478 | 1257.245 | 1235.773 | 1250.31 | 1225.534 | 1236.434 | 1426.658 | 1432.298 | 1366.209 | 1266.994 | 1072.343 | 1123.069 | 1353.645 | 720.696 | 892.633 | 737.671 | 604.06 | 596.532 | 524.426 | 611.394 | 531.692 | 462.093 | 425.947 | 423.077 | 428.121 | 419.96 | NA | 422.026 |
| us-gaap:LiabilitiesAndStockholdersEquity | ▇▇▇▇▇▇▇▇▇▇██████▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁ | 5822.141 | 5963.838 | 5985.603 | 5991.618 | 6023.553 | 6092.304 | 6069.299 | 6068.003 | 6123.179 | 6455.145 | 6665.303 | 6910.339 | 7028.144 | 6984.569 | 7032.277 | 6588.307 | 2253.96 | 2240.126 | 2265.919 | 2239.421 | 2253.346 | 2434.156 | 2486.174 | 2425.453 | 2337.802 | 2004.497 | 2064.892 | 2017.366 | 1376.511 | 1331.356 | 1197.835 | 1027.25 | 1022.099 | 964.566 | 916.882 | 843.011 | 778.518 | 746.545 | 749.65 | 758.045 | 595.802 | NA | 599.559 |
| us-gaap:StockholdersEquity | ████████▇▇▇█████▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁ | 3383.063 | 3503.404 | 3409.228 | 3364.34 | 3361.251 | 3395.213 | 3488.46 | 3282.417 | 3256.098 | 3046.469 | 3250.414 | 3362.901 | 3403.543 | 3422.151 | 3432.807 | 3369.103 | 996.696 | 1004.35 | 1015.574 | 1013.847 | 1016.847 | 1007.424 | 1053.876 | 1059.334 | 1070.871 | 932.208 | 941.866 | 663.75 | 655.838 | 438.741 | 460.164 | 423.19 | 425.567 | 440.14 | 305.488 | 311.319 | 316.425 | 320.598 | 326.573 | 329.924 | 175.842 | 179.923 | 177.533 |
| 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:CashAndCashEquivalentsAtCarryingValue | ▂▁▂▁▁▂▁▁▂▁▂▁▁▂█▁▁▁▁▁▂▁▁▁▁▁▂▁▁▁▁▂▂▂▁▁▁▁▂▂▁▂▂ | 69.347 | 24.878 | 59.076 | 35.034 | 28.25 | 54.051 | 39.097 | 29.431 | 47.595 | 22.873 | 50.23 | 36.348 | 38.809 | 46.352 | 518.632 | 30.873 | 13.235 | 12.814 | 25.663 | 19.674 | 103.868 | 9.133 | 7.434 | 31.473 | 6.042 | 4.171 | 61.793 | 25.479 | 15.085 | 4.286 | 4.308 | 96.641 | 92.77 | 53.565 | 17.101 | 30.477 | 3.11 | 2.675 | 42.25 | 56.417 | 3.454 | 80.21 | 74.233 |
| us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents | ▂▁▂▁▁▂▁▁▁▁▁▂▄▁█▁▁▁▁ | 73.935 | 29.487 | 65.523 | 41.849 | 36.805 | 62.426 | 49.143 | 39.662 | 57.474 | 32.639 | 59.658 | 139.516 | 225.654 | 58.17 | 587.449 | 43.362 | 22.648 | 21.965 | 34.665 | NA | NA | NA | 17.247 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:Land | ▇▇▇▇▇▇▇▇▇▇██████▂▂▂▂▂▂▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁ | 596.635 | 594.649 | 594.843 | 594.282 | 597.052 | 596.461 | 597.385 | 592.251 | 591.533 | 596.494 | 629.382 | 646.658 | 642.945 | 665.206 | 649.095 | 660.438 | 221.554 | 220.117 | 220.042 | 220.9 | 216.607 | 216.594 | 221.894 | 216.4 | 214.498 | 193.793 | 193.793 | 185.998 | 143.551 | 141.251 | 131.611 | 126.645 | 126.614 | 126.048 | 126.048 | 108.319 | 100.941 | NA | 91.731 | 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 | 2010-12-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:FiniteLivedIntangibleAssetsNet | NA | NA | 82.796 | NA | NA | NA | 101.509 | NA | NA | NA | 131.097 | NA | NA | NA | 167.119 | NA | NA | NA | 26.25 | 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:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass sbra:IntangibleLeaseLiabilities | NA | NA | 57.725 | NA | NA | NA | 69.946 | NA | NA | NA | 83.726 | NA | NA | NA | 98.015 | 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:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass sbra:LeaseIntangibles | NA | NA | 82.796 | NA | NA | NA | 101.509 | NA | NA | NA | 131.097 | 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 | 2010-12-31 |
|---|
| 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 | 2010-12-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:LongTermDebt | ▅▅▆▆▆▆▆▆▆██████▇▃▃▃▃▃▃▃▃▃▂▃▃▂▂▂▁▁▁▁▁▁ | 2266.311 | 2281.578 | 2372.374 | 2422.984 | 2455.293 | 2479.346 | 2402.101 | 2603.111 | 2685.967 | 3230.23 | 3232.003 | 3368.594 | 3423.807 | 3361.106 | 3394.49 | 3005.454 | 1220.122 | 1202.376 | 1210.671 | 1187.378 | 1199.881 | 1398.01 | 1397.74 | 1339.721 | 1237.098 | 1049.325 | 1092.022 | 1288.714 | 675.4 | 842.106 | 688.078 | 553.491 | 554.379 | 476.333 | 569.822 | 482.025 | 424.88 | 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 | 2010-12-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:StockholdersEquity | ████████▇▇▇█████▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁ | 3383.063 | 3503.404 | 3409.228 | 3364.34 | 3361.251 | 3395.213 | 3488.46 | 3282.417 | 3256.098 | 3046.469 | 3250.414 | 3362.901 | 3403.543 | 3422.151 | 3432.807 | 3369.103 | 996.696 | 1004.35 | 1015.574 | 1013.847 | 1016.847 | 1007.424 | 1053.876 | 1059.334 | 1070.871 | 932.208 | 941.866 | 663.75 | 655.838 | 438.741 | 460.164 | 423.19 | 425.567 | 440.14 | 305.488 | 311.319 | 316.425 | 320.598 | 326.573 | 329.924 | 175.842 | 179.923 | 177.533 |
| us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | ████████▇▇▇█████▃▃▃▃▃▃▃▃▃▂▂▂▂▁▁▁▁▁▁ | 3383.063 | 3503.404 | 3409.228 | 3364.34 | 3361.251 | 3395.213 | 3488.46 | 3282.417 | 3260.376 | 3050.778 | 3254.747 | 3367.258 | 3407.925 | 3426.566 | 3437.249 | 3371.829 | 996.715 | 1004.353 | 1015.609 | 1013.887 | 1016.912 | 1007.498 | 1053.77 | 1059.244 | 1070.808 | 932.154 | 941.823 | 663.721 | 655.815 | 438.723 | 460.164 | 423.19 | 425.567 | 440.14 | 305.488 | NA | NA | NA | 326.573 | NA | NA | NA | NA |
| us-gaap:CommonStockValue | ████▇▇▇▇▇▆▆▆▆▆▆▆▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁ | 2.208 | 2.159 | 2.106 | 2.069 | 2.056 | 2.056 | 2.052 | 1.937 | 1.895 | 1.784 | 1.783 | 1.783 | 1.783 | 1.783 | 1.783 | 1.758 | 0.654 | 0.654 | 0.653 | 0.653 | 0.653 | 0.653 | 0.652 | 0.651 | 0.651 | 0.592 | 0.59 | 0.476 | 0.473 | 0.391 | 0.388 | 0.373 | 0.373 | 0.373 | 0.371 | 0.371 | 0.371 | 0.37 | 0.369 | 0.369 | 0.251 | NA | 0.251 |
| us-gaap:AdditionalPaidInCapital | ███████▇▇▇▇▇▇▇▇▇▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁ | 4341.533 | 4254.134 | 4163.228 | 4101.269 | 4078.737 | 4075.781 | 4072.079 | 3823.584 | 3725.971 | 3508.987 | 3507.925 | 3505.877 | 3502.954 | 3638.109 | 3636.913 | 3588.51 | 1210.895 | 1208.907 | 1208.862 | 1207.487 | 1205.419 | 1203.39 | 1202.541 | 1201.859 | 1201.155 | 1051.813 | 1053.601 | 771.844 | 760.258 | 537.288 | 534.639 | 494.802 | 493.479 | 492.011 | 353.861 | 351.106 | 349.272 | 346.827 | 344.995 | 343.748 | 180.3 | NA | 177.275 |
| us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax | ▄▅▂▂▁▁▅▄▅▆▇███▇▆▆▆▆▅▅▅▅▅▅▅▆ | -16.174 | -6.373 | -39.911 | -49.17 | -55.641 | -51.373 | -12.388 | -19.395 | -10.936 | -1.747 | 12.301 | 26.357 | 24.412 | 20.813 | 11.289 | 4.236 | -0.833 | -1.628 | -1.798 | -9.382 | -9.28 | -9.398 | -7.333 | -5.637 | -4.826 | -3.087 | -1.542 | NA | NA | NA | 0.0 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:StockIssuedDuringPeriodValueNewIssues | ▁▁▁▁▁▁▂▁▂▁▁▁▁▁▁█▁▁ | 84.591 | 88.124 | 58.809 | 20.92 | -0.013 | 0.718 | 246.517 | 89.686 | 213.821 | -2.207 | -0.169 | 0.0 | 0.0 | -0.202 | 47.952 | 2374.799 | 0.0 | -2.814 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | -0.093 | 0.0 | 0.514 | -0.37 | -0.104 | 162.795 | 0.547 | 0.0 | NA |
| us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue | ▆▆▆▃▆▆▄█▆▆▄▆▆▃▁█▄▆▄▆▄▄▂▂▄▆█▄▅▅▆▃▃▅▆▄▄▄▃▂▃▂▁ | 2.857 | 2.835 | 3.187 | 1.625 | 2.969 | 2.988 | 2.093 | 3.93 | 3.274 | 3.27 | 2.217 | 2.923 | 3.036 | 1.398 | 0.476 | 3.92 | 1.988 | 2.86 | 1.784 | 2.793 | 2.044 | 1.938 | 1.074 | 0.932 | 1.917 | 3.023 | 4.142 | 1.897 | 2.506 | 2.689 | 3.014 | 1.511 | 1.613 | 2.569 | 2.848 | 1.834 | 1.932 | 2.203 | 1.351 | 0.771 | 1.336 | 1.142 | 0.335 |
| 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:NetCashProvidedByUsedInOperatingActivities | ▅▅▆▆▆▅▆▅█▄▅▅▇▆▅▁▂▃▃▃▅▂▃▃▃▂▂▃▃▁▂▂▁▂▂▂▂▂▂▂▁▂▂ | 83.735 | 68.531 | 89.397 | 96.85 | 93.786 | 74.819 | 95.494 | 85.103 | 137.919 | 53.959 | 75.519 | 71.471 | 109.906 | 101.647 | 83.715 | -4.1 | 22.433 | 31.438 | 42.923 | 39.322 | 69.768 | 24.726 | 41.986 | 27.808 | 26.606 | 24.701 | 14.098 | 42.318 | 27.714 | 1.207 | 12.888 | 26.225 | 1.383 | 21.603 | 8.35 | 23.815 | 7.623 | 16.464 | 10.196 | 16.581 | 5.47 | 12.458 | 6.592 |
| us-gaap:NetCashProvidedByUsedInInvestingActivities | ▅▅▆▅▅▅▅▆█▆▆▆▇▂▆▃▆▆▅▅█▆▅▅▃▆▅▁▅▅▄▆▆▆▅▅▅▅▆▅▅▆▆ | -41.852 | -35.356 | -5.933 | -31.55 | -29.144 | -69.824 | -35.701 | -19.337 | 311.535 | 6.347 | 57.759 | -19.354 | 219.48 | -516.379 | 63.05 | -296.781 | -5.38 | -0.961 | -31.19 | -82.467 | 254.056 | 1.964 | -86.545 | -82.021 | -314.423 | -6.237 | -33.173 | -629.296 | -35.864 | -128.139 | -260.137 | -2.791 | -19.27 | -15.311 | -97.45 | -43.744 | -37.247 | -40.209 | -11.452 | -113.7 | -74.019 | -5.415 | 67.118 |
| us-gaap:NetCashProvidedByUsedInFinancingActivities | ▄▃▃▃▃▄▄▃▁▃▂▃▃▃▆▆▄▄▄▄▂▄▄▄▆▃▄█▄▅▅▄▄▄▄▄▄▄▄▅▄▄▄ | 2.471 | -69.276 | -60.108 | -60.402 | -90.547 | 8.948 | -50.447 | -83.489 | -424.77 | -87.474 | -212.753 | -138.351 | -161.805 | -114.392 | 341.014 | 317.891 | -16.741 | -43.347 | -4.997 | -41.693 | -229.086 | -25.122 | 20.601 | 79.69 | 289.873 | -76.086 | 55.389 | 597.372 | 18.949 | 126.91 | 154.916 | -19.563 | 57.092 | 30.172 | 75.724 | 47.296 | 30.059 | -15.83 | -12.911 | 150.082 | -8.207 | -1.066 | 0.523 |
| 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:DepreciationDepletionAndAmortization | ▇▇▇▇▇▇▇▇█▇▇█▇▇█▄▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁ | 44.491 | 44.375 | 44.158 | 44.209 | 44.202 | 44.168 | 44.032 | 43.092 | 49.476 | 44.949 | 48.078 | 48.468 | 46.828 | 48.005 | 51.592 | 25.933 | 17.22 | 19.137 | 17.199 | 17.102 | 16.405 | 17.766 | 18.126 | 16.306 | 14.497 | 14.15 | 14.465 | 9.762 | 9.755 | 9.35 | 8.555 | 8.258 | 8.222 | 8.246 | 7.907 | 7.496 | 7.557 | 7.303 | 7.364 | 6.85 | 6.29 | 6.086 | 3.134 |
| us-gaap:NetCashProvidedByUsedInOperatingActivities | ▅▅▆▆▆▅▆▅█▄▅▅▇▆▅▁▂▃▃▃▅▂▃▃▃▂▂▃▃▁▂▂▁▂▂▂▂▂▂▂▁▂▂ | 83.735 | 68.531 | 89.397 | 96.85 | 93.786 | 74.819 | 95.494 | 85.103 | 137.919 | 53.959 | 75.519 | 71.471 | 109.906 | 101.647 | 83.715 | -4.1 | 22.433 | 31.438 | 42.923 | 39.322 | 69.768 | 24.726 | 41.986 | 27.808 | 26.606 | 24.701 | 14.098 | 42.318 | 27.714 | 1.207 | 12.888 | 26.225 | 1.383 | 21.603 | 8.35 | 23.815 | 7.623 | 16.464 | 10.196 | 16.581 | 5.47 | 12.458 | 6.592 |
| us-gaap:NetIncomeLoss | ▄ | -132.573 | NA | NA | NA | 29.623 | NA | 39.741 | 23.282 | 83.677 | -77.704 | -19.394 | 35.218 | 200.787 | 62.471 | 103.945 | 15.095 | 20.52 | 18.823 | 23.175 | 25.337 | 37.475 | -15.711 | 25.067 | 18.061 | 16.835 | 19.45 | 22.25 | 17.204 | 14.801 | -7.303 | 12.999 | 11.821 | -0.662 | 9.557 | 3.959 | 5.226 | 5.923 | 4.405 | 7.164 | 2.344 | 2.087 | 1.248 | 0.007 |
| us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:AccumulatedDistributionsInExcessOfNetIncome | ▄ | -132.573 | NA | NA | NA | 29.623 | 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 | 12.999 | 11.821 | -0.662 | 9.557 | 3.959 | 5.226 | 5.923 | 4.405 | 7.164 | 2.343 | 2.087 | 1.248 | 0.007 |
| us-gaap:ShareBasedCompensation | ▅▅▅▃▅▅▃▇▆▆▃▅▆▃▁█▄▅▃▅▄▄▂▂▄▆▇▄▅▅▆▃▄▅▅▄▄▅▃▂▃▃▂ | 2.271 | 2.288 | 2.256 | 0.916 | 2.375 | 2.36 | 0.99 | 3.259 | 2.795 | 2.775 | 1.373 | 2.436 | 2.704 | 1.135 | 0.03 | 4.01 | 1.731 | 2.588 | 1.359 | 2.485 | 1.834 | 1.818 | 0.734 | 0.717 | 1.754 | 2.918 | 3.514 | 1.545 | 2.279 | 2.513 | 2.61 | 1.276 | 1.459 | 2.474 | 2.53 | 1.907 | 1.639 | 2.203 | 1.351 | 0.771 | 1.336 | 1.142 | 0.335 |
| 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:NetCashProvidedByUsedInInvestingActivities | ▅▅▆▅▅▅▅▆█▆▆▆▇▂▆▃▆▆▅▅█▆▅▅▃▆▅▁▅▅▄▆▆▆▅▅▅▅▆▅▅▆▆ | -41.852 | -35.356 | -5.933 | -31.55 | -29.144 | -69.824 | -35.701 | -19.337 | 311.535 | 6.347 | 57.759 | -19.354 | 219.48 | -516.379 | 63.05 | -296.781 | -5.38 | -0.961 | -31.19 | -82.467 | 254.056 | 1.964 | -86.545 | -82.021 | -314.423 | -6.237 | -33.173 | -629.296 | -35.864 | -128.139 | -260.137 | -2.791 | -19.27 | -15.311 | -97.45 | -43.744 | -37.247 | -40.209 | -11.452 | -113.7 | -74.019 | -5.415 | 67.118 |
| us-gaap:PaymentsToAcquireRealEstate | ▂▂▁▁▁▂▂▁▁▁▁▁▂▄▁█▁▁▂▃ | 33.453 | 28.654 | 0.0 | 0.0 | 25.671 | 67.274 | 36.159 | 14.977 | 0.0 | 0.0 | 22.51 | 25.019 | 41.981 | 172.001 | 26.841 | 378.608 | 14.456 | 0.0 | 43.96 | 109.619 | NA | NA | 74.758 | 84.721 | 301.851 | 0.0 | 49.6 | 603.49 | 9.739 | 108.65 | 119.78 | 0.0 | 6.175 | 0.0 | 107.374 | 42.5 | 25.7 | 29.85 | 16.8 | 113.7 | 74.0 | 0.0 | 0.0 |
| 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:NetCashProvidedByUsedInFinancingActivities | ▄▃▃▃▃▄▄▃▁▃▂▃▃▃▆▆▄▄▄▄▂▄▄▄▆▃▄█▄▅▅▄▄▄▄▄▄▄▄▅▄▄▄ | 2.471 | -69.276 | -60.108 | -60.402 | -90.547 | 8.948 | -50.447 | -83.489 | -424.77 | -87.474 | -212.753 | -138.351 | -161.805 | -114.392 | 341.014 | 317.891 | -16.741 | -43.347 | -4.997 | -41.693 | -229.086 | -25.122 | 20.601 | 79.69 | 289.873 | -76.086 | 55.389 | 597.372 | 18.949 | 126.91 | 154.916 | -19.563 | 57.092 | 30.172 | 75.724 | 47.296 | 30.059 | -15.83 | -12.911 | 150.082 | -8.207 | -1.066 | 0.523 |
| us-gaap:PaymentsOfDividends | ▆▆▆▆▆█▇▇▇▇▇▇▇▇█▃▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁ | 64.829 | 63.221 | 62.552 | 61.679 | 61.678 | 92.39 | 88.213 | 85.487 | 81.475 | 80.26 | 80.242 | 80.242 | 81.947 | 82.789 | 95.276 | 26.122 | 30.698 | 29.993 | 29.981 | 29.995 | 29.987 | 29.301 | 29.278 | 29.276 | 25.671 | 25.672 | 23.835 | 20.529 | 20.528 | 16.597 | 15.474 | 15.268 | 14.693 | 12.716 | 12.227 | 12.239 | 12.25 | 12.213 | 11.762 | 11.827 | 8.051 | 0.0 | 0.0 |
| 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 |
|---|
| 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 | 2010-11-14 |
| Value | 2208000.0 | 2159000.0 | 2106000.0 | 2069000.0 | 2056000.0 | 2056000.0 | 2052000.0 | 1937000.0 | 1895000.0 | 1784000.0 | 1783000.0 | 1783000.0 | 1783000.0 | 1783000.0 | 1783000.0 | 1758000.0 | 654000.0 | 654000.0 | 653000.0 | 653000.0 | 653000.0 | 653000.0 | 652000.0 | 651000.0 | 651000.0 | 592000.0 | 590000.0 | 476000.0 | 473000.0 | 391000.0 | 388000.0 | 373000.0 | 373000.0 | 373000.0 | 371000.0 | 371000.0 | 371000.0 | 370000.0 | 369000.0 | 369000.0 | 251000.0 | 251000.0 | 251000.0 |
| 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 | 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 | 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 | 2018-09-30 | 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 | 2012-03-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 |
| Value | 216 | 212 | 206 | 206 | 206 | 191 | 182 | 178 | 178 | 178 | 178 | 112 | 65 | 65 | 65 | 65 | 65 | 65 | 59 | 59 | 47 | 44 | 38 | 37 | 37 | 37 | 37 | 37 | 37 | 33 | 25 | 25 | 25 |
| 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 |
| 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 | 2012-03-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 |
| Value | 216 | 211 | 205 | 205 | 205 | 190 | 181 | 178 | 178 | 178 | 178 | 112 | 65 | 65 | 65 | 65 | 65 | 65 | 59 | 59 | 47 | 43 | 38 | 37 | 37 | 37 | 37 | 37 | 37 | 32 | 25 | 25 | 25 |
| 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 |
| Period End | 2021-03-31 |
| Value | 4100.0 |
| Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 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 | 2013-03-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-09-30 | 2011-06-30 | 2010-12-31 |
| Value | 4600.0 | 30100.0 | 99700.0 | 88400.0 | 6300.0 | 0 | 1100.0 | 3100.0 | 0 | 35300.0 | 21400.0 | 6800.0 | 15900.0 | 130.0 | 1200.0 | 24200.0 | 54000.0 | 100.0 | 10700.0 | 300.0 | 0 | 9000.0 | 38000.0 | 0 | 100.0 | 0 | 300000.0 | 13000.0 | 42000.0 | 300000.0 | 200.0 |
| Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 0.0 | 734.1 | 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 | 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 |
| Value | -0.61 | 0.16 | 0.18 | 0.18 | 0.14 | 0.17 | 0.21 | 0.12 | 0.46 | -0.44 | -0.11 | 0.2 | 1.09 | 0.34 | 0.82 | 0.11 | 0.27 | 0.25 | 0.32 | 0.35 | 0.53 | -0.28 | 0.35 | 0.24 | 0.24 | 0.29 | 0.4 | 0.31 | 0.28 | -0.25 | 0.28 | 0.25 | -0.09 | 0.25 | 0.11 | 0.14 | 0.16 | 0.12 | 0.23 | 0.07 | 0.08 | 0.05 | 0 |
| Percentage of EarningsPerShareBasic | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 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 |
| Value | -0.61 | 0.16 | 0.18 | 0.18 | 0.14 | 0.17 | 0.21 | 0.12 | 0.46 | -0.44 | -0.11 | 0.2 | 1.08 | 0.34 | 0.83 | 0.11 | 0.27 | 0.25 | 0.32 | 0.35 | 0.53 | -0.28 | 0.35 | 0.24 | 0.24 | 0.28 | 0.39 | 0.31 | 0.28 | -0.25 | 0.27 | 0.24 | -0.09 | 0.25 | 0.1 | 0.14 | 0.16 | 0.12 | 0.23 | 0.07 | 0.08 | 0.05 | 0 |
| Percentage of EarningsPerShareDiluted | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 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 | -142.374 | 66 | 46 | 42 | 25 | -3.768 | 46 | 14 | 74 | -91.752 | -33.45 | 37 | 204 | 71 | 111 | 20 | 21 | 18 | 30 | 25 | 37 | -17.776 | 23 | 17 | 15 | 17 | 20 | 17 | 14 | -7.303 |
| 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 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -364.0 | 185.9 | 0.0 | 109.1 | 65.7 | -9.4 | 0.0 | 40.7 | 206.5 | -537.8 | 0.0 | 213.5 | 1165.9 | 411.6 | 0.0 | 18.0 | 32.9 | 30.3 | 0.0 | 40.7 | 50.6 | -28.4 | 0.0 | 28.8 | 26.7 | 32.2 | 0.0 | 39.1 | 34.4 | -17.9 |
| 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 | 2014-06-30 | 2014-03-31 |
| Value | 46 | 42 | 25 | -3.768 | 46 | 14 | 74 | -91.74 | -33.439 | 37 | 204 | 72 | 110 | 20 | 21 | 18 | 30 | 25 | 37 | -17.808 | 23 | 17 | 15 | 17 | 20 | 17 | 14 | -7.321 |
| 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 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.0 | 109.1 | 65.7 | -9.4 | 0.0 | 40.7 | 206.5 | -537.7 | 0.0 | 213.6 | 1165.9 | 411.6 | 0.0 | 18.0 | 33.0 | 30.3 | 0.0 | 40.7 | 50.6 | -28.5 | 0.0 | 28.7 | 26.7 | 32.2 | 0.0 | 39.1 | 34.4 | -17.9 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 |
| Value | 0.1 | 2.7 | -0.1 | 0.2 |
| Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.0 | 6.9 | -0.3 | 0.5 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax sbra:SkilledNursingTransitionalCareFacilities us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations sbra:A2020Dispositions | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | -3.7 | 0.3 |
| Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal | 0.0 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -9.5 | 0.8 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax sbra:SkilledNursingTransitionalCareFacilities us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations sbra:A2021Dispositions | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 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 |
| Value | -0.054 | -0.793 | 0.0 | -0.139 | -0.392 | -5.577 | -0.644 | -10.119 | -2.917 | 0.0 | 0.0 | 0.0 | -0.553 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -0.556 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -0.158 | -0.162 | -22.134 | 0.0 | -0.351 | -9.75 | 0.0 | -1.967 | -0.453 | -0.25 |
| Percentage of GainsLossesOnExtinguishmentOfDebt | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -0.1 | -2.2 | 0.0 | -0.4 | -1.0 | 0.0 | -1.8 | -28.1 | 0.0 | 0.0 | 0.0 | 0.0 | -0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -0.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -0.4 | -0.4 | -54.2 | 0.0 | -1.1 | -30.2 | 0.0 | 0.0 | -1.7 | -1.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | -0.1 | -0.8 |
| Percentage of GainsLossesOnExtinguishmentOfDebt | 185.2 | 100.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -0.3 | -2.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax sbra:FifthAmendedandRestatedCreditAgreement sbra:U.S.DollarTermLoan | 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 |
| Value | 8.811 | 8.938 | 8.105 | 7.216 | 8.673 | 8.761 | 5.51 | 8.709 | 8.059 | 8.178 | 11 | 8.022 | 9.271 | 7.867 | 8.242 | 12 | 11 | 6.873 | 4.397 | 6.171 | 4.636 | 4.714 | 3.153 | 3.991 | 9.862 | 8.003 | 9.334 | 6.226 | 7.926 | 5.853 | 5.227 | 3.057 | 3.422 | 4.717 | 4.516 | 3.778 | 3.489 | 4.321 | 4.228 | 4.652 | 2.923 | 2.67 | 1.553 |
| 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 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 22.5 | 24.8 | 0.0 | 18.3 | 22.5 | 21.9 | 0.0 | 23.9 | 22.3 | 47.9 | 0.0 | 46.1 | 52.9 | 45.0 | 0.0 | 11.6 | 17.2 | 11.0 | 0.0 | 10.0 | 6.2 | 7.5 | 0.0 | 6.7 | 17.4 | 14.4 | 0.0 | 14.2 | 18.4 | 14.3 | 0.0 | 9.3 | 10.6 | 14.7 | 0.0 | 14.5 | 13.9 | 18.2 | 0.0 | 21.7 | 15.5 | 15.2 | 17.7 |
| 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 | 2010-12-31 |
| Value | 39 | 40 | 33 | 42 | 39 | 42 | 24 | 88 | -75.697 | -16.414 | 37 | 203 | 62 | 104 | 14 | 20 | 19 | 23 | 25 | 0.249 |
| Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 RevenueFromContractWithCustomerExcludingAssessedTax | 108.6 | 0.0 | 85.3 | 109.4 | 99.9 | 0.0 | 67.9 | 244.5 | -443.7 | 0.0 | 216.5 | 1162.2 | 357.5 | 0.0 | 13.3 | 31.9 | 30.3 | 0.0 | 41.1 | 2.8 |
| Period End | 2021-06-30 | 2020-06-30 | 2010-12-31 |
| Value | 37 | 42 | 0.249 |
| Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 96.5 | 109.4 | 2.8 |
| 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 |
| Value | 33 | 37 | 36 | 29 | 35 | 39 | 23 | 83 | -77.692 | -19.383 | 35 | 200 | 62 | 103 | 15 | 20 | 18 | 23 | 25 | 37 | -15.743 | 25 | 18 | 16 | 19 | 22 | 17 | 14 | -7.321 | 12 | 11 | -0.662 | 9.557 |
| Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 RevenueFromContractWithCustomerExcludingAssessedTax | 92.8 | 0.0 | 92.7 | 76.8 | 88.1 | 0.0 | 64.0 | 232.0 | -455.4 | 0.0 | 202.4 | 1145.4 | 357.2 | 0.0 | 13.5 | 31.7 | 30.0 | 0.0 | 40.9 | 50.5 | -25.2 | 0.0 | 30.1 | 29.7 | 35.0 | 0.0 | 39.1 | 34.4 | -17.9 | 0.0 | 35.9 | -2.1 | 29.8 |
| 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 |
| Value | 33 | 37 | 36 | 29 | 35 | 39 | 23 | 83 | -77.704 | -19.394 | 35 | 200 | 62 | 103 | 15 | 20 | 18 | 23 | 25 | 37 | -15.711 | 25 | 18 | 16 | 19 | 22 | 17 | 14 | -7.303 | 12 | 11 | -0.662 | 9.557 |
| Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 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 | 100.2 | 99.9 | 100.2 | 100.0 | 100.1 | 100.0 | 99.8 | 99.9 | 100.1 | 100.1 | 100.1 | 100.1 | 100.0 | 100.0 | 99.8 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 92.8 | 0.0 | 92.7 | 76.8 | 88.1 | 0.0 | 64.0 | 232.0 | -455.4 | 0.0 | 202.4 | 1145.4 | 357.1 | 0.0 | 13.5 | 31.7 | 30.0 | 0.0 | 40.9 | 50.5 | -25.1 | 0.0 | 30.1 | 29.8 | 35.0 | 0.0 | 39.1 | 34.4 | -17.9 | 0.0 | 35.9 | -2.1 | 29.8 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedDistributionsInExcessOfNetIncome | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 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 | 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 | 37 | 36 | 29 | 35 | 39 | 23 | 83 | -77.704 | -19.394 | 35 | 200 | 62 | 103 | 15 | 20 | 18 | 23 |
| Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 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 | 100.2 | 99.9 | 100.2 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.0 | 92.7 | 76.8 | 88.1 | 0.0 | 64.0 | 232.0 | -455.4 | 0.0 | 202.4 | 1145.4 | 357.1 | 0.0 | 13.5 | 31.7 | 30.0 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 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 | 2010-12-31 |
| Value | 522000.0 | 700000.0 | -627000.0 | -138000.0 | 433000.0 | 1042000.0 | 1110000.0 | 826000.0 | 854000.0 | 612000.0 | 1164000.0 | 732000.0 | 605000.0 | 510000.0 | 490000.0 | -195000.0 | 136000.0 | 220000.0 | 263000.0 | 154000.0 | 242000.0 |
| 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 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 1.3 | 1.9 | 0.0 | -0.4 | 1.1 | 2.6 | 0.0 | 2.3 | 2.4 | 3.6 | 0.0 | 4.2 | 3.5 | 2.9 | 0.0 | -0.2 | 0.2 | 0.4 | 0.0 | 0.2 | 2.8 |
| 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 | 2016-09-30 |
| Value | 3.031 | 2.941 | 3.184 | 3.299 | 2.606 | 2.851 | 4.395 | 3.325 | 70 | 3.325 | 3.844 | 3.932 | 4.553 | 4.338 | 6.964 | 4.09 | 2.027 | 1.945 | 1.981 | 3.157 |
| Percentage of InterestAndFeeIncomeLoansAndLeases | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 RevenueFromContractWithCustomerExcludingAssessedTax | 7.7 | 8.2 | 0.0 | 8.4 | 6.8 | 7.1 | 0.0 | 9.1 | 195.4 | 19.5 | 0.0 | 22.6 | 26.0 | 24.8 | 0.0 | 3.7 | 3.1 | 3.1 | 0.0 | 5.1 |
| 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 |
| Value | 24 | 24 | 24 | 24 | 25 | 25 | 27 | 29 | 33 | 36 | 37 | 37 | 36 | 35 | 32 | 24 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 15 | 14 | 13 | 14 | 10 | 10 | 11 | 10 | 9.739 | 10 | 10 | 11 | 9.538 | 8.148 | 7.698 | 7.593 | 7.624 | 7.505 | 7.597 | 3.859 |
| Percentage of InterestExpenseDebt | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 RevenueFromContractWithCustomerExcludingAssessedTax | 62.0 | 67.8 | 0.0 | 63.3 | 65.6 | 64.3 | 0.0 | 80.4 | 93.2 | 212.8 | 0.0 | 214.4 | 209.9 | 204.7 | 0.0 | 22.0 | 24.5 | 25.2 | 0.0 | 25.5 | 22.1 | 27.0 | 0.0 | 25.3 | 24.8 | 25.0 | 0.0 | 24.0 | 25.6 | 27.3 | 0.0 | 29.6 | 31.4 | 31.2 | 0.0 | 36.6 | 32.4 | 32.4 | 0.0 | 35.5 | 39.9 | 43.2 | 43.9 |
| 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 |
| Value | 24 | 21 | 24 | 20 | 26 | 21 | 23 | 25 | 32 | 42 | 26 | 43 | 25 | 42 |
| Percentage of InterestPaidNet | 100.0 | 100.0 | 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 RevenueFromContractWithCustomerExcludingAssessedTax | 61.4 | 60.0 | 0.0 | 51.7 | 67.8 | 53.8 | 0.0 | 70.3 | 89.9 | 247.3 | 0.0 | 251.3 | 143.6 | 243.7 |
| Period End | 2021-06-30 | 2020-06-30 | 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 |
| Value | -132.573 | 29 | 39 | 23 | 83 | -77.704 | -19.394 | 35 | 200 | 62 | 103 | 15 | 20 | 18 | 23 | 25 | 37 | -15.711 | 25 | 18 | 16 | 19 | 22 | 17 | 14 | -7.303 | 12 | 11 | -0.662 | 9.557 | 3.959 | 5.226 | 5.923 | 4.405 | 7.164 | 2.344 | 2.087 | 1.248 | 0.007 |
| 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 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -338.9 | 76.8 | 0.0 | 64.0 | 232.0 | -455.4 | 0.0 | 202.4 | 1145.4 | 357.1 | 0.0 | 13.5 | 31.7 | 30.0 | 0.0 | 40.9 | 50.5 | -25.1 | 0.0 | 30.1 | 29.8 | 35.0 | 0.0 | 39.1 | 34.4 | -17.9 | 0.0 | 35.9 | -2.1 | 29.8 | 0.0 | 20.1 | 23.6 | 18.6 | 0.0 | 10.9 | 11.1 | 7.1 | 0.1 |
| Period End | 2021-06-30 | 2020-06-30 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 |
| Value | -132.573 | 29 | 12 | 11 | -0.662 | 9.557 | 3.959 | 5.226 | 5.923 | 4.405 | 7.164 | 2.343 | 2.087 | 1.248 | 0.007 |
| 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 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -338.9 | 76.8 | 0.0 | 35.9 | -2.1 | 29.8 | 0.0 | 20.1 | 23.6 | 18.6 | 0.0 | 10.9 | 11.1 | 7.1 | 0.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedDistributionsInExcessOfNetIncome | 0.0 | 0.0 | 0.0 | 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 |
| Value | -132.573 | 33 | 37 | 36 | 29 | 35 | 39 | 23 | 83 | -77.704 | -19.394 | 35 | 193 | 59 | 101 | 12 | 17 | 16 | 20 | 22 | 34 | -18.272 | 22 | 15 | 14 | 16 | 19 | 14 | 12 | -9.864 | 10 | 9.242 | -3.185 | 9.253 | 3.959 | 5.226 | 5.923 | 4.405 |
| 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 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -338.9 | 92.8 | 0.0 | 92.7 | 76.8 | 88.1 | 0.0 | 64.0 | 232.0 | -455.4 | 0.0 | 202.4 | 1104.3 | 342.5 | 0.0 | 11.2 | 27.7 | 26.0 | 0.0 | 36.8 | 47.0 | -29.2 | 0.0 | 25.9 | 25.2 | 30.4 | 0.0 | 33.3 | 28.5 | -24.1 | 0.0 | 28.1 | -9.9 | 28.9 | 0.0 | 20.1 | 23.6 | 18.6 |
| 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 |
| Value | 28 | 28 | 27 | 27 | 27 | 27 | 25 | 23 | 24 | 12 | 12 | 12 | 12 | 12 |
| Percentage of OperatingCostsAndExpenses | 100.0 | 100.0 | 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 RevenueFromContractWithCustomerExcludingAssessedTax | 73.9 | 80.3 | 0.0 | 70.5 | 72.5 | 68.2 | 0.0 | 65.9 | 67.2 | 70.6 | 0.0 | 72.5 | 70.2 | 69.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax sbra:SeniorHousingFacilitiesManagedPortfolio | 0.0 | 0.0 | 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 |
| Value | 5.0 | 5.135 | 5.109 | 5.249 | 5.331 | 4.901 | 5.075 | 5.611 | 6.24 | 5.289 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of OperatingCostsAndExpenses | 17.3 | 17.7 | 18.3 | 18.9 | 19.1 | 18.0 | 19.5 | 23.4 | 25.7 | 43.9 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 12.8 | 14.2 | 0.0 | 13.3 | 13.8 | 12.3 | 0.0 | 15.4 | 17.3 | 31.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax sbra:TripleNetPortfolio | 0.0 | 0.0 | 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 |
| Value | -9.583 | 33 | 10 | 6.83 | -3.734 | -40.692 | 7.252 | -9.376 | -9.756 | -13.488 | -14.954 | 2.01 | 3.338 | 9.898 | 7.451 | 4.657 | 0.097 |
| Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 RevenueFromContractWithCustomerExcludingAssessedTax | -24.5 | 93.8 | 0.0 | 17.4 | -9.7 | -101.8 | 0.0 | -25.8 | -27.0 | -79.1 | 0.0 | 11.5 | 19.0 | 56.6 | 0.0 | 4.2 | 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 |
| Value | -218000.0 | -251000.0 | -1129000.0 | -359000.0 | -534000.0 | 1707000.0 | -245000.0 | 917000.0 | 567000.0 | -560000.0 | 898000.0 | -65000.0 | 261000.0 | -374000.0 | -398000.0 | 412000.0 | 698000.0 | -558000.0 | -885000.0 | -500000.0 | 324000.0 | -573000.0 | -1808000.0 | 970000.0 | -595000.0 | 0 | 0 | 0 | 0 |
| Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -0.6 | -0.7 | 0.0 | -0.9 | -1.4 | 4.3 | 0.0 | 2.5 | 1.6 | -3.3 | 0.0 | -0.4 | 1.5 | -2.1 | 0.0 | 0.4 | 1.1 | -0.9 | 0.0 | -0.8 | 0.4 | -0.9 | 0.0 | 1.6 | -1.1 | 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 |
| Value | -9.801 | 33 | 9.259 | 6.471 | -4.268 | -38.985 | 7.007 | -8.459 | -9.189 | -14.048 | -14.056 | 1.945 | 3.599 | 8.729 | 7.053 | 5.069 | 0.795 | 0.17 | 7.584 | -0.102 | 0.118 | -2.065 | -1.696 | -0.811 | -1.739 | -1.545 |
| Percentage of OtherComprehensiveIncomeLossNetOfTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 RevenueFromContractWithCustomerExcludingAssessedTax | -25.1 | 93.1 | 0.0 | 16.4 | -11.1 | -97.5 | 0.0 | -23.2 | -25.5 | -82.3 | 0.0 | 11.2 | 20.5 | 49.9 | 0.0 | 4.5 | 1.2 | 0.3 | 0.0 | -0.2 | 0.2 | -3.3 | 0.0 | -1.4 | -3.1 | -2.8 |
| 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 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 |
| Value | -9.801 | 33 | 9.259 | 6.471 | -4.268 | -38.985 | 7.007 | -8.459 | -9.189 | -14.048 | -14.056 | 1.945 | 3.599 | 8.729 | 7.053 | 5.069 | 0.795 | 0.17 | 7.584 | -0.102 | 0.118 | -2.065 | -1.696 | -0.811 | -1.739 | -1.545 |
| Percentage of OtherComprehensiveIncomeLossNetOfTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 RevenueFromContractWithCustomerExcludingAssessedTax | -25.1 | 93.1 | 0.0 | 16.4 | -11.1 | -97.5 | 0.0 | -23.2 | -25.5 | -82.3 | 0.0 | 11.2 | 20.5 | 49.9 | 0.0 | 4.5 | 1.2 | 0.3 | 0.0 | -0.2 | 0.2 | -3.3 | 0.0 | -1.4 | -3.1 | -2.8 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax 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 |
| 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 |
| Value | 9.259 | 6.471 | -4.268 | -38.985 | 7.007 | -8.459 | -9.189 | -14.048 | -14.056 | 1.945 | 3.599 | 8.729 | 7.053 | 5.069 | 0.795 | 0.17 | 7.584 |
| Percentage of OtherComprehensiveIncomeLossNetOfTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 RevenueFromContractWithCustomerExcludingAssessedTax | 0.0 | 16.4 | -11.1 | -97.5 | 0.0 | -23.2 | -25.5 | -82.3 | 0.0 | 11.2 | 20.5 | 49.9 | 0.0 | 4.5 | 1.2 | 0.3 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 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 |
| Value | -3.83 | 0.653 | -0.121 | 2.691 | -0.128 | 2.042 | -2.784 | -0.448 | -7.365 | -1.349 | -16.84 | 1.35 | 142 | 2.348 | 47 | 0.08 | 4.973 | 2.129 | 2.413 | 4.396 |
| Percentage of OtherNonoperatingIncomeExpense | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 RevenueFromContractWithCustomerExcludingAssessedTax | -9.8 | 1.8 | 0.0 | 6.8 | -0.3 | 5.1 | 0.0 | -1.2 | -20.4 | -7.9 | 0.0 | 7.8 | 815.2 | 13.4 | 0.0 | 0.1 | 7.7 | 3.4 | 0.0 | 7.1 |
| 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 |
| Value | 39 | 36 | 38 | 39 | 38 | 39 | 38 | 36 | 36 | 17 | 17 | 17 | 17 | 17 | -212.745 | 111 | 64 | 62 | 61 | 61 | 74 | 62 | 66 | 59 | 56 | 55 | 55 | 43 | 42 | 40 | 37 | 32 | 32 | 32 | 28 | 26 | 25 | 23 | 26 | 21 | 18 | 17 | 8.795 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 RevenueFromContractWithCustomerExcludingAssessedTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| Value | 0.3 | 0.3 | 0.2 | 0.3 | 0.2 | 0.3 | 0.3 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.8 | 0.8 | 0.5 | 0.8 | 0.5 | 0.8 | 0.8 | 0.5 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.8 | 0.8 | 0.5 | 0.8 | 0.5 | 0.8 | 0.8 | 0.5 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax sbra:AncillaryServices | 100.0 | 100.0 | 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 |
| Value | 152 | 152 | 152 | 143 | 153 | 149 | 155 | 149 | 219 | 136 | 139 | 151 | 166 | 166 | 166 | 111 | 64 | 62 | 61 | 61 | 74 | 62 | 66 | 59 | 56 | 55 | 55 | 43 | 42 | 40 | 37 | 32 | 32 | 32 | 28 | 26 | 25 | 23 | 26 | 21 | 18 | 17 | 8.795 |
| 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 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 391.0 | 422.8 | 398.7 | 364.1 | 398.9 | 373.5 | 404.4 | 411.6 | 608.2 | 801.7 | 786.0 | 872.3 | 948.7 | 949.4 | -78.2 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 2010-11-14 |
| Value | 5822 | 5963 | 5985 | 5991 | 6023 | 6092 | 6069 | 6068 | 6123 | 6455 | 6665 | 6910 | 7028 | 6984 | 7032 | 6588 | 2253 | 2240 | 2265 | 2239 | 2253 | 2434 | 2486 | 2425 | 2337 | 2004 | 2064 | 2017 | 1376 | 1331 | 1197 | 1027 | 1022 | 964 | 916 | 843 | 778 | 746 | 749 | 758 | 595 | 599 | 595 |
| 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 | 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 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 |
| Value | 490 | 504 |
| Percentage of Assets | 8.2 | 8.3 |
| Percentage of Assets | 8.2 | 8.3 |
| Percentage of Assets sbra:EnlivantJointVenture | 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 | 2010-11-14 |
| Value | 2439 | 2460 | 2576 | 2627 | 2662 | 2697 | 2580 | 2785 | 2862 | 3404 | 3410 | 3543 | 3620 | 3558 | 3595 | 3216 | 1257 | 1235 | 1250 | 1225 | 1236 | 1426 | 1432 | 1366 | 1266 | 1072 | 1123 | 1353 | 720 | 892 | 737 | 604 | 596 | 524 | 611 | 531 | 462 | 425 | 423 | 428 | 419 | 422 | 418 |
| 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 | 100.0 |
| Percentage of Assets | 41.9 | 41.3 | 43.0 | 43.8 | 44.2 | 44.3 | 42.5 | 45.9 | 46.8 | 52.7 | 51.2 | 51.3 | 51.5 | 50.9 | 51.1 | 48.8 | 55.8 | 55.2 | 55.2 | 54.7 | 54.9 | 58.6 | 57.6 | 56.3 | 54.2 | 53.5 | 54.4 | 67.1 | 52.4 | 67.0 | 61.6 | 58.8 | 58.4 | 54.4 | 66.7 | 63.1 | 59.4 | 57.1 | 56.4 | 56.5 | 70.5 | 70.4 | 70.3 |
| Period End | 2020-12-31 | 2019-12-31 |
| Value | 824 | 815 |
| Percentage of Liabilities | 32.0 | 31.6 |
| Percentage of Assets | 13.8 | 13.4 |
| Percentage of Assets sbra:EnlivantJointVenture | 168.1 | 161.5 |
| 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 | 2010-11-14 |
| Value | 5822 | 5963 | 5985 | 5991 | 6023 | 6092 | 6069 | 6068 | 6123 | 6455 | 6665 | 6910 | 7028 | 6984 | 7032 | 6588 | 2253 | 2240 | 2265 | 2239 | 2253 | 2434 | 2486 | 2425 | 2337 | 2004 | 2064 | 2017 | 1376 | 1331 | 1197 | 1027 | 1022 | 964 | 916 | 843 | 778 | 746 | 749 | 758 | 595 | 599 | 595 |
| 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 | 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 | 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 | 2010-11-15 | 2010-11-14 |
| Value | 3383 | 3503 | 3409 | 3364 | 3361 | 3395 | 3488 | 3282 | 3256 | 3046 | 3250 | 3362 | 3403 | 3422 | 3432 | 3369 | 996 | 1004 | 1015 | 1013 | 1016 | 1007 | 1053 | 1059 | 1070 | 932 | 941 | 663 | 655 | 438 | 460 | 423 | 425 | 440 | 305 | 311 | 316 | 320 | 326 | 329 | 175 | 179 | 177 | 177 | 177 |
| 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 | 100.0 |
| Percentage of Assets | 58.1 | 58.7 | 57.0 | 56.2 | 55.8 | 55.7 | 57.5 | 54.1 | 53.2 | 47.2 | 48.8 | 48.7 | 48.4 | 49.0 | 48.8 | 51.1 | 44.2 | 44.8 | 44.8 | 45.3 | 45.1 | 41.4 | 42.4 | 43.7 | 45.8 | 46.5 | 45.6 | 32.9 | 47.6 | 33.0 | 38.4 | 41.2 | 41.6 | 45.6 | 33.3 | 36.9 | 40.6 | 42.9 | 43.6 | 43.5 | 29.5 | 0.0 | 29.6 | 0.0 | 29.7 |
| 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 | 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 | 2010-11-15 | 2010-11-14 |
| Value | 69 | 24 | 59 | 35 | 28 | 54 | 39 | 29 | 47 | 22 | 50 | 36 | 38 | 46 | 518 | 30 | 13 | 12 | 25 | 19 | 103 | 9.133 | 7.434 | 31 | 6.042 | 4.171 | 61 | 25 | 15 | 4.286 | 4.308 | 96 | 92 | 53 | 17 | 30 | 3.11 | 2.675 | 42 | 56 | 3.454 | 80 | 74 | 0.0 | 0.0 |
| 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 | 0.0 | 0.0 |
| Percentage of Assets | 1.2 | 0.4 | 1.0 | 0.6 | 0.5 | 0.9 | 0.6 | 0.5 | 0.8 | 0.4 | 0.8 | 0.5 | 0.6 | 0.7 | 7.4 | 0.5 | 0.6 | 0.6 | 1.1 | 0.9 | 4.6 | 0.4 | 0.3 | 1.3 | 0.3 | 0.2 | 3.0 | 1.3 | 1.1 | 0.3 | 0.4 | 9.4 | 9.1 | 5.6 | 1.9 | 3.6 | 0.4 | 0.4 | 5.6 | 7.4 | 0.6 | 0.0 | 12.4 | 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 | 2015-12-31 |
| Value | 73 | 29 | 65 | 41 | 36 | 62 | 49 | 39 | 57 | 32 | 59 | 139 | 225 | 58 | 587 | 43 | 22 | 21 | 34 | 17 |
| 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 | 100.0 |
| Percentage of Assets | 1.3 | 0.5 | 1.1 | 0.7 | 0.6 | 1.0 | 0.8 | 0.7 | 0.9 | 0.5 | 0.9 | 2.0 | 3.2 | 0.8 | 8.4 | 0.7 | 1.0 | 1.0 | 1.5 | 0.7 |
| 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 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2011-12-31 |
| Value | 596 | 594 | 594 | 594 | 597 | 596 | 597 | 592 | 591 | 596 | 629 | 646 | 642 | 665 | 649 | 660 | 221 | 220 | 220 | 220 | 216 | 216 | 221 | 216 | 214 | 193 | 193 | 185 | 143 | 141 | 131 | 126 | 126 | 126 | 126 | 108 | 100 | 91 |
| Percentage of Land | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 10.2 | 10.0 | 9.9 | 9.9 | 9.9 | 9.8 | 9.8 | 9.8 | 9.7 | 9.2 | 9.4 | 9.4 | 9.1 | 9.5 | 9.2 | 10.0 | 9.8 | 9.8 | 9.7 | 9.9 | 9.6 | 8.9 | 8.9 | 8.9 | 9.2 | 9.7 | 9.4 | 9.2 | 10.4 | 10.6 | 11.0 | 12.3 | 12.4 | 13.1 | 13.7 | 12.8 | 13.0 | 12.2 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 |
| Value | 82 | 101 | 131 | 167 | 26 |
| Percentage of FiniteLivedIntangibleAssetsNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 1.4 | 1.7 | 2.0 | 2.4 | 1.2 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 |
| Value | 57 | 69 | 83 | 98 |
| Percentage of FiniteLivedIntangibleAssetsNet | 69.7 | 68.9 | 63.9 | 58.6 |
| Percentage of Assets | 1.0 | 1.2 | 1.3 | 1.4 |
| Percentage of Assets sbra:IntangibleLeaseLiabilities | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 82 | 101 | 131 |
| Percentage of FiniteLivedIntangibleAssetsNet | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 1.4 | 1.7 | 2.0 |
| Percentage of Assets sbra:LeaseIntangibles | 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 |
| Value | 2266 | 2281 | 2372 | 2422 | 2455 | 2479 | 2402 | 2603 | 2685 | 3230 | 3232 | 3368 | 3423 | 3361 | 3394 | 3005 | 1220 | 1202 | 1210 | 1187 | 1199 | 1398 | 1397 | 1339 | 1237 | 1049 | 1092 | 1288 | 675 | 842 | 688 | 553 | 554 | 476 | 569 | 482 | 424 |
| 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 |
| Percentage of Assets | 38.9 | 38.3 | 39.6 | 40.4 | 40.8 | 40.7 | 39.6 | 42.9 | 43.9 | 50.0 | 48.5 | 48.7 | 48.7 | 48.1 | 48.3 | 45.6 | 54.1 | 53.7 | 53.4 | 53.0 | 53.2 | 57.4 | 56.2 | 55.2 | 52.9 | 52.3 | 52.9 | 63.9 | 49.1 | 63.3 | 57.4 | 53.9 | 54.2 | 49.4 | 62.1 | 57.2 | 54.6 |
| 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 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-03-31 | 2013-12-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 |
| Value | 56 | 73 | 101 | 200 | 275 | 620 | 624 | 619 | 676 | 611 | 641 | 251 | 32 | 17 | 26 | 198 | 255 | 204 | 122 | 226 | 268 | 614 | 162 | 135 | 92 | 0.0 | 42 |
| Percentage of LongTermDebt | 2.3 | 3.0 | 4.1 | 7.7 | 10.2 | 19.2 | 19.3 | 18.4 | 19.7 | 18.2 | 18.9 | 8.4 | 2.6 | 1.4 | 2.1 | 14.2 | 18.2 | 15.2 | 9.9 | 21.5 | 24.5 | 47.6 | 19.2 | 19.7 | 16.2 | 0.0 | 10.0 |
| Percentage of Assets | 0.9 | 1.2 | 1.7 | 3.3 | 4.5 | 9.6 | 9.4 | 9.0 | 9.6 | 8.7 | 9.1 | 3.8 | 1.4 | 0.8 | 1.1 | 8.1 | 10.3 | 8.4 | 5.2 | 11.3 | 13.0 | 30.4 | 12.2 | 11.3 | 10.1 | 0.0 | 5.5 |
| Percentage of Assets us-gaap:LineOfCredit | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 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 | 939 | 954 | 1044 | 1039 | 1037 | 1033 | 1040 | 1182 | 1189 | 1187 | 1184 | 1189 | 1187 | 1188 | 1190 | 1190 | 339 | 336 | 335 | 337 | 338 | 338 | 264 | 267 | 272 |
| Percentage of LongTermDebt | 41.5 | 41.8 | 44.0 | 42.9 | 42.2 | 41.7 | 43.3 | 45.4 | 44.3 | 36.8 | 36.7 | 35.3 | 34.7 | 35.4 | 35.1 | 39.6 | 27.8 | 28.0 | 27.7 | 28.4 | 28.2 | 24.2 | 19.0 | 19.9 | 22.1 |
| Percentage of Assets | 16.1 | 16.0 | 17.5 | 17.4 | 17.2 | 17.0 | 17.1 | 19.5 | 19.4 | 18.4 | 17.8 | 17.2 | 16.9 | 17.0 | 16.9 | 18.1 | 15.1 | 15.0 | 14.8 | 15.1 | 15.0 | 13.9 | 10.7 | 11.0 | 11.7 |
| Percentage of Assets us-gaap:LoansPayable | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 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 |
| Value | 78 | 78 | 79 | 78 | 96 | 97 | 113 | 113 | 114 | 115 | 115 | 252 | 253 | 254 | 256 |
| Percentage of LongTermDebt | 3.4 | 3.4 | 3.3 | 3.3 | 3.9 | 3.9 | 4.7 | 4.4 | 4.3 | 3.6 | 3.6 | 7.5 | 7.4 | 7.6 | 7.6 |
| Percentage of Assets | 1.3 | 1.3 | 1.3 | 1.3 | 1.6 | 1.6 | 1.9 | 1.9 | 1.9 | 1.8 | 1.7 | 3.7 | 3.6 | 3.6 | 3.6 |
| Percentage of Assets us-gaap:SecuredDebt | 0.0 | 0.0 | 0.0 | 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 |
| Value | 1248 | 1248 | 1248 | 1248 | 1248 | 1248 | 1248 | 1106 | 1106 | 1307 | 1307 | 1307 | 1306 | 1306 | 1306 | 1305 | 689 | 688 | 688 | 687 | 686 | 686 | 700 | 700 | 700 | 700 | 700 | 550 | 550 | 550 | 411 | 411 | 411 | 325 | 325 | 325 | 225 |
| Percentage of LongTermDebt | 55.1 | 54.7 | 52.6 | 51.5 | 50.8 | 50.3 | 52.0 | 42.5 | 41.2 | 40.5 | 40.5 | 38.8 | 38.2 | 38.9 | 38.5 | 43.5 | 56.5 | 57.3 | 56.8 | 57.9 | 57.3 | 49.1 | 50.1 | 52.2 | 56.6 | 66.7 | 64.1 | 42.7 | 81.4 | 65.3 | 59.8 | 74.3 | 74.2 | 68.2 | 57.0 | 67.4 | 53.0 |
| Percentage of Assets | 21.4 | 20.9 | 20.9 | 20.8 | 20.7 | 20.5 | 20.6 | 18.2 | 18.1 | 20.3 | 19.6 | 18.9 | 18.6 | 18.7 | 18.6 | 19.8 | 30.6 | 30.8 | 30.4 | 30.7 | 30.5 | 28.2 | 28.2 | 28.9 | 29.9 | 34.9 | 33.9 | 27.3 | 40.0 | 41.3 | 34.3 | 40.0 | 40.2 | 33.7 | 35.4 | 38.6 | 28.9 |
| Percentage of Assets us-gaap:SeniorNotes | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 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 | 2010-11-15 | 2010-11-14 |
| Value | 3383 | 3503 | 3409 | 3364 | 3361 | 3395 | 3488 | 3282 | 3256 | 3046 | 3250 | 3362 | 3403 | 3422 | 3432 | 3369 | 996 | 1004 | 1015 | 1013 | 1016 | 1007 | 1053 | 1059 | 1070 | 932 | 941 | 663 | 655 | 438 | 460 | 423 | 425 | 440 | 305 | 311 | 316 | 320 | 326 | 329 | 175 | 179 | 177 | 177 | 177 |
| 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 | 100.0 |
| Percentage of Assets | 58.1 | 58.7 | 57.0 | 56.2 | 55.8 | 55.7 | 57.5 | 54.1 | 53.2 | 47.2 | 48.8 | 48.7 | 48.4 | 49.0 | 48.8 | 51.1 | 44.2 | 44.8 | 44.8 | 45.3 | 45.1 | 41.4 | 42.4 | 43.7 | 45.8 | 46.5 | 45.6 | 32.9 | 47.6 | 33.0 | 38.4 | 41.2 | 41.6 | 45.6 | 33.3 | 36.9 | 40.6 | 42.9 | 43.6 | 43.5 | 29.5 | 0.0 | 29.6 | 0.0 | 29.7 |
| 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 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2011-12-31 |
| Value | 3383 | 3503 | 3409 | 3364 | 3361 | 3395 | 3488 | 3282 | 3260 | 3050 | 3254 | 3367 | 3407 | 3426 | 3437 | 3371 | 996 | 1004 | 1015 | 1013 | 1016 | 1007 | 1053 | 1059 | 1070 | 932 | 941 | 663 | 655 | 438 | 460 | 423 | 425 | 440 | 305 | 326 |
| 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 |
| Percentage of Assets | 58.1 | 58.7 | 57.0 | 56.2 | 55.8 | 55.7 | 57.5 | 54.1 | 53.2 | 47.3 | 48.8 | 48.7 | 48.5 | 49.1 | 48.9 | 51.2 | 44.2 | 44.8 | 44.8 | 45.3 | 45.1 | 41.4 | 42.4 | 43.7 | 45.8 | 46.5 | 45.6 | 32.9 | 47.6 | 33.0 | 38.4 | 41.2 | 41.6 | 45.6 | 33.3 | 43.6 |
| Period End | 2020-12-31 | 2019-12-31 |
| Value | -333.869 | -310.379 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | -9.8 | -8.9 |
| Percentage of Assets | -5.6 | -5.1 |
| Percentage of Assets sbra:EnlivantJointVenture | -68.1 | -61.5 |
| 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 |
| Value | -944.504 | -746.516 | -716.195 | -689.828 | -663.901 | -631.251 | -573.283 | -523.709 | -460.832 | -462.555 | -271.595 | -171.116 | -125.606 | -238.612 | -217.236 | -225.459 | -214.078 | -203.641 | -192.201 | -184.969 | -180.003 | -187.279 | -142.148 | -137.597 | -126.167 | -117.168 | -110.841 | -108.628 | -104.951 | -98.996 | -74.921 | -72.043 | -68.343 | -52.302 | -48.744 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | -27.9 | -21.3 | -21.0 | -20.5 | -19.8 | -18.6 | -16.4 | -16.0 | -14.1 | -15.2 | -8.3 | -5.1 | -3.7 | -7.0 | -6.3 | -6.7 | -21.5 | -20.3 | -18.9 | -18.2 | -17.7 | -18.6 | -13.5 | -13.0 | -11.8 | -12.6 | -11.8 | -16.4 | -16.0 | -22.6 | -16.3 | -17.0 | -16.1 | -11.9 | -16.0 |
| Percentage of Assets | -16.2 | -12.5 | -12.0 | -11.5 | -11.0 | -10.4 | -9.4 | -8.6 | -7.5 | -7.2 | -4.1 | -2.5 | -1.8 | -3.4 | -3.1 | -3.4 | -9.5 | -9.1 | -8.5 | -8.3 | -8.0 | -7.7 | -5.7 | -5.7 | -5.4 | -5.8 | -5.4 | -5.4 | -7.6 | -7.4 | -6.3 | -7.0 | -6.7 | -5.4 | -5.3 |
| Percentage of Assets us-gaap:AccumulatedDistributionsInExcessOfNetIncome | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 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 |
| Value | -4.291 | -38.08 | -48.468 | -55.298 | -51.564 | -10.872 | -18.126 | -8.75 | 1.006 | 14 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | -0.1 | -1.1 | -1.4 | -1.6 | -1.5 | -0.3 | -0.6 | -0.3 | 0.0 | 0.4 |
| Percentage of Assets | -0.1 | -0.6 | -0.8 | -0.9 | -0.8 | -0.2 | -0.3 | -0.1 | 0.0 | 0.2 |
| Percentage of Assets us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest | 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 | 2020-12-31 | 2018-09-30 | 2018-06-30 | 2017-12-31 |
| Value | -13.874 | -38.08 | 29 | 27 | 14 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | -0.4 | -1.1 | 0.9 | 0.8 | 0.4 |
| Percentage of Assets | -0.2 | -0.6 | 0.4 | 0.4 | 0.2 |
| Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent | 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 | -16.174 | -6.373 | -39.911 | -49.17 | -55.641 | -51.373 | -12.388 | -19.395 | -10.936 | -1.747 | 12 | 26 | 24 | 20 | 11 | 4.236 | -0.833 | -1.628 | -1.798 | -9.382 | -9.28 | -9.398 | -7.333 | -5.637 | -4.826 | -3.087 | -1.542 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | -0.5 | -0.2 | -1.2 | -1.5 | -1.7 | -1.5 | -0.4 | -0.6 | -0.3 | -0.1 | 0.4 | 0.8 | 0.7 | 0.6 | 0.3 | 0.1 | -0.1 | -0.2 | -0.2 | -0.9 | -0.9 | -0.9 | -0.7 | -0.5 | -0.5 | -0.3 | -0.2 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of Assets | -0.3 | -0.1 | -0.7 | -0.8 | -0.9 | -0.8 | -0.2 | -0.3 | -0.2 | -0.0 | 0.2 | 0.4 | 0.3 | 0.3 | 0.2 | 0.1 | -0.0 | -0.1 | -0.1 | -0.4 | -0.4 | -0.4 | -0.3 | -0.2 | -0.2 | -0.2 | -0.1 | 0.0 | 0.0 | 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 |
| 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 | 2016-12-31 |
| Value | -2.3 | -2.082 | -1.831 | -0.702 | -0.343 | 0.191 | -1.516 | -1.269 | -2.186 | -2.753 | -2.193 | -3.091 | -3.026 | -3.287 | -2.913 | -3.067 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | -0.1 | -0.1 | -0.1 | -0.0 | -0.0 | 0.0 | -0.0 | -0.0 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 | -0.3 |
| 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 | -0.1 |
| Percentage of Assets us-gaap:AccumulatedTranslationAdjustment | 0.0 | 0.0 | 0.0 | 0.0 | 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 |
| Value | 4341 | 4254 | 4163 | 4101 | 4078 | 4075 | 4072 | 3823 | 3725 | 3508 | 3507 | 3505 | 3502 | 3638 | 3636 | 3588 | 1210 | 1208 | 1208 | 1207 | 1205 | 1203 | 1202 | 1201 | 1201 | 1051 | 1053 | 771 | 760 | 537 | 534 | 494 | 493 | 492 | 353 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 128.3 | 121.4 | 122.1 | 121.9 | 121.3 | 120.0 | 116.7 | 116.5 | 114.3 | 115.0 | 107.8 | 104.1 | 102.8 | 106.2 | 105.8 | 106.4 | 121.5 | 120.4 | 119.0 | 119.1 | 118.5 | 119.4 | 114.1 | 113.5 | 112.2 | 112.8 | 111.9 | 116.3 | 115.9 | 122.5 | 116.2 | 116.9 | 116.0 | 111.8 | 115.8 |
| Percentage of Assets | 74.6 | 71.3 | 69.6 | 68.5 | 67.7 | 66.9 | 67.1 | 63.0 | 60.9 | 54.4 | 52.6 | 50.7 | 49.8 | 52.1 | 51.7 | 54.5 | 53.7 | 54.0 | 53.3 | 53.9 | 53.5 | 49.4 | 48.4 | 49.6 | 51.4 | 52.5 | 51.0 | 38.3 | 55.2 | 40.4 | 44.6 | 48.2 | 48.3 | 51.0 | 38.6 |
| 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 |
| 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 |
| Value | 2.208 | 2.159 | 2.106 | 2.069 | 2.056 | 2.056 | 2.052 | 1.937 | 1.895 | 1.784 | 1.783 | 1.783 | 1.783 | 1.783 | 1.783 | 1.758 | 0.654 | 0.654 | 0.653 | 0.653 | 0.653 | 0.653 | 0.652 | 0.651 | 0.651 | 0.592 | 0.59 | 0.476 | 0.473 | 0.391 | 0.388 | 0.373 | 0.373 | 0.373 | 0.371 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 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 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 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 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 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 |
| 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 | 2015-12-31 | 2014-12-31 | 2013-12-31 |
| Value | 3409 | 3364 | 3361 | 3395 | 3488 | 3282 | 3256 | 3046 | 3250 | 3362 | 3403 | 3422 | 3432 | 3369 | 996 | 1004 | 1015 | 1013 | 1053 | 941 | 460 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 99.9 | 99.9 | 99.9 | 99.9 | 99.9 | 99.9 | 99.9 | 99.9 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 57.0 | 56.2 | 55.8 | 55.7 | 57.5 | 54.1 | 53.2 | 47.2 | 48.8 | 48.7 | 48.4 | 49.0 | 48.8 | 51.1 | 44.2 | 44.8 | 44.8 | 45.3 | 42.4 | 45.6 | 38.4 |
| Percentage of Assets us-gaap:Parent | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 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 | 2010-11-14 |
| Value | 2208000.0 | 2159000.0 | 2106000.0 | 2069000.0 | 2056000.0 | 2056000.0 | 2052000.0 | 1937000.0 | 1895000.0 | 1784000.0 | 1783000.0 | 1783000.0 | 1783000.0 | 1783000.0 | 1783000.0 | 1758000.0 | 654000.0 | 654000.0 | 653000.0 | 653000.0 | 653000.0 | 653000.0 | 652000.0 | 651000.0 | 651000.0 | 592000.0 | 590000.0 | 476000.0 | 473000.0 | 391000.0 | 388000.0 | 373000.0 | 373000.0 | 373000.0 | 371000.0 | 371000.0 | 371000.0 | 370000.0 | 369000.0 | 369000.0 | 251000.0 | 251000.0 | 251000.0 |
| 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 | 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 | 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 | 2010-11-14 |
| Value | 4341 | 4254 | 4163 | 4101 | 4078 | 4075 | 4072 | 3823 | 3725 | 3508 | 3507 | 3505 | 3502 | 3638 | 3636 | 3588 | 1210 | 1208 | 1208 | 1207 | 1205 | 1203 | 1202 | 1201 | 1201 | 1051 | 1053 | 771 | 760 | 537 | 534 | 494 | 493 | 492 | 353 | 351 | 349 | 346 | 344 | 343 | 180 | 177 | 176 |
| 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 | 100.0 |
| Percentage of Assets | 74.6 | 71.3 | 69.6 | 68.5 | 67.7 | 66.9 | 67.1 | 63.0 | 60.9 | 54.4 | 52.6 | 50.7 | 49.8 | 52.1 | 51.7 | 54.5 | 53.7 | 54.0 | 53.3 | 53.9 | 53.5 | 49.4 | 48.4 | 49.6 | 51.4 | 52.5 | 51.0 | 38.3 | 55.2 | 40.4 | 44.6 | 48.2 | 48.3 | 51.0 | 38.6 | 41.6 | 44.9 | 46.5 | 46.0 | 45.3 | 30.3 | 29.6 | 29.7 |
| 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 | 2013-12-31 |
| Value | -16.174 | -6.373 | -39.911 | -49.17 | -55.641 | -51.373 | -12.388 | -19.395 | -10.936 | -1.747 | 12 | 26 | 24 | 20 | 11 | 4.236 | -0.833 | -1.628 | -1.798 | -9.382 | -9.28 | -9.398 | -7.333 | -5.637 | -4.826 | -3.087 | -1.542 | 0.0 |
| 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 | 0.0 |
| Percentage of Assets | -0.3 | -0.1 | -0.7 | -0.8 | -0.9 | -0.8 | -0.2 | -0.3 | -0.2 | -0.0 | 0.2 | 0.4 | 0.3 | 0.3 | 0.2 | 0.1 | -0.0 | -0.1 | -0.1 | -0.4 | -0.4 | -0.4 | -0.3 | -0.2 | -0.2 | -0.2 | -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 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-08-01 | 2011-09-30 | 2011-06-30 | 2011-03-31 |
| Value | 84 | 88 | 58 | 20 | -0.013 | 0.718 | 246 | 89 | 213 | -2.207 | -0.169 | 0.0 | 0.0 | -0.202 | 47 | 2374 | 0.0 | -2.814 | -0.093 | 0.0 | 0.514 | -0.37 | -0.104 | 163 | 162 | 0.547 | 0.0 |
| Percentage of StockIssuedDuringPeriodValueNewIssues | 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 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 |
| 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 |
| 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 | 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 | 84 | 88 | 58 | 20 | -0.013 | 0.714 | 246 | 89 | 213 | -2.208 | -0.169 | 0.0 | 0.0 | -0.202 | 47 | 2373 | 0.0 | -2.815 | -0.093 | 0.0 | 0.513 | -0.371 | -0.104 | 162 | 0.547 | 0.0 |
| Percentage of StockIssuedDuringPeriodValueNewIssues | 99.9 | 99.9 | 99.9 | 99.9 | 100.0 | 99.4 | 100.0 | 100.0 | 99.9 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 99.9 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 99.8 | 100.3 | 100.0 | 99.9 | 100.0 | 0.0 |
| 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 |
| 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 |
| 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 | 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 | 0.049 | 0.053 | 0.037 | 0.013 | 0.0 | 0.004 | 0.115 | 0.042 | 0.111 | 0.001 | 0.0 | 0.0 | 0.0 | 0.0 | 0.025 | 1.104 | 0.0 | 0.001 | 0.0 | 0.0 | 0.002 | 0.0 | 0.0 | 0.001 | 0.001 | 0.0 | 0.118 | 0.0 | 0.0 |
| Percentage of StockIssuedDuringPeriodValueNewIssues | 0.1 | 0.1 | 0.1 | 0.1 | -0.0 | 0.6 | 0.0 | 0.0 | 0.1 | -0.0 | -0.0 | 0.0 | 0.0 | -0.0 | 0.1 | 0.0 | 0.0 | -0.0 | 0.0 | 0.0 | 0.0 | -0.0 | 0.0 | 0.2 | -0.3 | -0.0 | 0.1 | 0.0 | 0.0 |
| 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 |
| 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 |
| 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 |
| Value | 58 | 20 | -0.013 | 0.718 | 246 | 89 | 213 | -2.207 | -0.169 | 0.0 | 0.0 | -0.202 | 47 | 2374 | 0.0 | -2.814 |
| Percentage of StockIssuedDuringPeriodValueNewIssues | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 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 |
| Percentage of Assets us-gaap:Parent | 0.0 | 0.0 | 0.0 | 0.0 | 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 |
| Value | 2.857 | 2.835 | 3.187 | 1.625 | 2.969 | 2.988 | 2.093 | 3.93 | 3.274 | 3.27 | 2.217 | 2.923 | 3.036 | 1.398 | 0.476 | 3.92 | 1.988 | 2.86 | 1.784 | 2.793 | 2.044 | 1.938 | 1.074 | 0.932 | 1.917 | 3.023 | 4.142 | 1.897 | 2.506 | 2.689 | 3.014 | 1.511 | 1.613 | 2.569 | 2.848 | 1.834 | 1.932 | 2.203 | 1.351 | 0.771 | 1.336 | 1.142 | 0.335 |
| Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 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 |
| Value | 2.857 | 2.835 | 3.187 | 1.625 | 2.969 | 2.988 | 2.093 | 3.93 | 3.274 | 3.27 | 2.217 | 2.923 | 3.036 | 1.398 | 0.476 | 3.92 | 1.988 | 2.86 | 1.784 | 2.793 | 2.044 | 1.938 | 1.074 | 0.932 | 1.917 | 3.023 | 4.142 | 1.897 | 2.506 | 2.689 | 3.014 | 1.511 | 1.613 | 2.569 | 2.848 | 1.834 | 1.932 | 2.203 | 1.351 | 0.771 | 1.336 | 1.142 | 0.335 |
| Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 0.0 | 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 |
| 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 |
| Value | 3.187 | 1.625 | 2.969 | 2.988 | 2.093 | 3.93 | 3.274 | 3.27 | 2.217 | 2.923 | 3.036 | 1.398 | 0.476 | 3.92 | 1.988 | 2.86 | 1.784 |
| Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| Percentage of Assets us-gaap:Parent | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 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 |
| Value | 83 | 68 | 89 | 96 | 93 | 74 | 95 | 85 | 137 | 53 | 75 | 71 | 109 | 101 | 83 | -4.1 | 22 | 31 | 42 | 39 | 69 | 24 | 41 | 27 | 26 | 24 | 14 | 42 | 27 | 1.207 | 12 | 26 | 1.383 | 21 | 8.35 | 23 | 7.623 | 16 | 10 | 16 | 5.47 | 12 | 6.592 |
| 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 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 214.1 | 190.1 | 234.4 | 246.2 | 243.1 | 187.1 | 247.9 | 233.8 | 382.4 | 316.3 | 426.4 | 410.7 | 627.0 | 581.1 | -39.3 | -3.7 | 34.7 | 50.2 | 69.5 | 63.5 | 94.0 | 39.5 | 62.9 | 46.4 | 47.0 | 44.4 | 25.3 | 96.2 | 64.5 | 3.0 | 34.3 | 79.6 | 4.3 | 67.5 | 29.5 | 91.5 | 30.3 | 69.4 | 38.7 | 77.2 | 29.1 | 70.8 | 75.0 |
| 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 |
| Value | -41.852 | -35.356 | -5.933 | -31.55 | -29.144 | -69.824 | -35.701 | -19.337 | 311 | 6.347 | 57 | -19.354 | 219 | -516.379 | 63 | -296.781 | -5.38 | -0.961 | -31.19 | -82.467 | 254 | 1.964 | -86.545 | -82.021 | -314.423 | -6.237 | -33.173 | -629.296 | -35.864 | -128.139 | -260.137 | -2.791 | -19.27 | -15.311 | -97.45 | -43.744 | -37.247 | -40.209 | -11.452 | -113.7 | -74.019 | -5.415 | 67 |
| 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 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -107.0 | -98.1 | -15.6 | -80.2 | -75.5 | -174.6 | -92.7 | -53.1 | 863.7 | 37.2 | 326.1 | -111.2 | 1252.0 | -2951.9 | -29.6 | -265.5 | -8.3 | -1.5 | -50.5 | -133.2 | 342.2 | 3.1 | -129.6 | -136.9 | -555.7 | -11.2 | -59.5 | -1430.7 | -83.5 | -313.7 | -692.6 | -8.5 | -59.7 | -47.8 | -344.5 | -168.0 | -148.3 | -169.5 | -43.5 | -529.6 | -393.6 | -30.8 | 763.1 |
| 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 |
| Value | 2.471 | -69.276 | -60.108 | -60.402 | -90.547 | 8.948 | -50.447 | -83.489 | -424.77 | -87.474 | -212.753 | -138.351 | -161.805 | -114.392 | 341 | 317 | -16.741 | -43.347 | -4.997 | -41.693 | -229.086 | -25.122 | 20 | 79 | 289 | -76.086 | 55 | 597 | 18 | 126 | 154 | -19.563 | 57 | 30 | 75 | 47 | 30 | -15.83 | -12.911 | 150 | -8.207 | -1.066 | 0.523 |
| 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 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 6.3 | -192.2 | -157.6 | -153.5 | -234.7 | 22.4 | -131.0 | -229.3 | -1177.6 | -512.7 | -1201.2 | -795.0 | -923.0 | -653.9 | -160.3 | 284.4 | -25.9 | -69.2 | -8.1 | -67.3 | -308.5 | -40.2 | 30.9 | 133.0 | 512.3 | -136.9 | 99.4 | 1358.2 | 44.1 | 310.7 | 412.5 | -59.4 | 176.9 | 94.2 | 267.7 | 181.6 | 119.7 | -66.7 | -49.0 | 699.0 | -43.6 | -6.1 | 5.9 |
| 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 | 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 |
| Value | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 43 | 49 | 44 | 48 | 48 | 46 | 48 | 51 | 25 | 17 | 19 | 17 | 17 | 16 | 17 | 18 | 16 | 14 | 14 | 14 | 9.762 | 9.755 | 9.35 | 8.555 | 8.258 | 8.222 | 8.246 | 7.907 | 7.496 | 7.557 | 7.303 | 7.364 | 6.85 | 6.29 | 6.086 | 3.134 |
| 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 |
| 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 |
| Value | 83 | 68 | 89 | 96 | 93 | 74 | 95 | 85 | 137 | 53 | 75 | 71 | 109 | 101 | 83 | -4.1 | 22 | 31 | 42 | 39 | 69 | 24 | 41 | 27 | 26 | 24 | 14 | 42 | 27 | 1.207 | 12 | 26 | 1.383 | 21 | 8.35 | 23 | 7.623 | 16 | 10 | 16 | 5.47 | 12 | 6.592 |
| 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 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 214.1 | 190.1 | 234.4 | 246.2 | 243.1 | 187.1 | 247.9 | 233.8 | 382.4 | 316.3 | 426.4 | 410.7 | 627.0 | 581.1 | -39.3 | -3.7 | 34.7 | 50.2 | 69.5 | 63.5 | 94.0 | 39.5 | 62.9 | 46.4 | 47.0 | 44.4 | 25.3 | 96.2 | 64.5 | 3.0 | 34.3 | 79.6 | 4.3 | 67.5 | 29.5 | 91.5 | 30.3 | 69.4 | 38.7 | 77.2 | 29.1 | 70.8 | 75.0 |
| Period End | 2021-06-30 | 2020-06-30 | 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 |
| Value | -132.573 | 29 | 39 | 23 | 83 | -77.704 | -19.394 | 35 | 200 | 62 | 103 | 15 | 20 | 18 | 23 | 25 | 37 | -15.711 | 25 | 18 | 16 | 19 | 22 | 17 | 14 | -7.303 | 12 | 11 | -0.662 | 9.557 | 3.959 | 5.226 | 5.923 | 4.405 | 7.164 | 2.344 | 2.087 | 1.248 | 0.007 |
| 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 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -338.9 | 76.8 | 103.2 | 64.0 | 232.0 | -455.4 | -109.5 | 202.4 | 1145.4 | 357.1 | -48.9 | 13.5 | 31.7 | 30.0 | 37.5 | 40.9 | 50.5 | -25.1 | 37.5 | 30.1 | 29.8 | 35.0 | 39.9 | 39.1 | 34.4 | -17.9 | 34.6 | 35.9 | -2.1 | 29.8 | 14.0 | 20.1 | 23.6 | 18.6 | 27.2 | 10.9 | 11.1 | 7.1 | 0.1 |
| Period End | 2021-06-30 | 2020-06-30 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 |
| Value | -132.573 | 29 | 12 | 11 | -0.662 | 9.557 | 3.959 | 5.226 | 5.923 | 4.405 | 7.164 | 2.343 | 2.087 | 1.248 | 0.007 |
| 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 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -338.9 | 76.8 | 34.6 | 35.9 | -2.1 | 29.8 | 14.0 | 20.1 | 23.6 | 18.6 | 27.2 | 10.9 | 11.1 | 7.1 | 0.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedDistributionsInExcessOfNetIncome | 0.0 | 0.0 | 0.0 | 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 |
| Value | 2271000.0 | 2288000.0 | 2256000.0 | 916000.0 | 2375000.0 | 2360000.0 | 990000.0 | 3259000.0 | 2795000.0 | 2775000.0 | 1373000.0 | 2436000.0 | 2704000.0 | 1135000.0 | 30000.0 | 4010000.0 | 1731000.0 | 2588000.0 | 1359000.0 | 2485000.0 | 1834000.0 | 1818000.0 | 734000.0 | 717000.0 | 1754000.0 | 2918000.0 | 3514000.0 | 1545000.0 | 2279000.0 | 2513000.0 | 2610000.0 | 1276000.0 | 1459000.0 | 2474000.0 | 2530000.0 | 1907000.0 | 1639000.0 | 2203000.0 | 1351000.0 | 771000.0 | 1336000.0 | 1142000.0 | 335000.0 |
| 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 |
| 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 |
| Value | -41.852 | -35.356 | -5.933 | -31.55 | -29.144 | -69.824 | -35.701 | -19.337 | 311 | 6.347 | 57 | -19.354 | 219 | -516.379 | 63 | -296.781 | -5.38 | -0.961 | -31.19 | -82.467 | 254 | 1.964 | -86.545 | -82.021 | -314.423 | -6.237 | -33.173 | -629.296 | -35.864 | -128.139 | -260.137 | -2.791 | -19.27 | -15.311 | -97.45 | -43.744 | -37.247 | -40.209 | -11.452 | -113.7 | -74.019 | -5.415 | 67 |
| 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 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -107.0 | -98.1 | -15.6 | -80.2 | -75.5 | -174.6 | -92.7 | -53.1 | 863.7 | 37.2 | 326.1 | -111.2 | 1252.0 | -2951.9 | -29.6 | -265.5 | -8.3 | -1.5 | -50.5 | -133.2 | 342.2 | 3.1 | -129.6 | -136.9 | -555.7 | -11.2 | -59.5 | -1430.7 | -83.5 | -313.7 | -692.6 | -8.5 | -59.7 | -47.8 | -344.5 | -168.0 | -148.3 | -169.5 | -43.5 | -529.6 | -393.6 | -30.8 | 763.1 |
| 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 | 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 |
| Value | 33 | 28 | 0.0 | 0.0 | 25 | 67 | 36 | 14 | 0.0 | 0.0 | 22 | 25 | 41 | 172 | 26 | 378 | 14 | 0.0 | 43 | 109 | 74 | 84 | 301 | 0.0 | 49 | 603 | 9.739 | 108 | 119 | 0.0 | 6.175 | 0.0 | 107 | 42 | 25 | 29 | 16 | 113 | 74 | 0.0 | 0.0 |
| Percentage of PaymentsToAcquireRealEstate | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 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 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 0.0 | 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 | 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 |
| Value | 2.471 | -69.276 | -60.108 | -60.402 | -90.547 | 8.948 | -50.447 | -83.489 | -424.77 | -87.474 | -212.753 | -138.351 | -161.805 | -114.392 | 341 | 317 | -16.741 | -43.347 | -4.997 | -41.693 | -229.086 | -25.122 | 20 | 79 | 289 | -76.086 | 55 | 597 | 18 | 126 | 154 | -19.563 | 57 | 30 | 75 | 47 | 30 | -15.83 | -12.911 | 150 | -8.207 | -1.066 | 0.523 |
| 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 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 6.3 | -192.2 | -157.6 | -153.5 | -234.7 | 22.4 | -131.0 | -229.3 | -1177.6 | -512.7 | -1201.2 | -795.0 | -923.0 | -653.9 | -160.3 | 284.4 | -25.9 | -69.2 | -8.1 | -67.3 | -308.5 | -40.2 | 30.9 | 133.0 | 512.3 | -136.9 | 99.4 | 1358.2 | 44.1 | 310.7 | 412.5 | -59.4 | 176.9 | 94.2 | 267.7 | 181.6 | 119.7 | -66.7 | -49.0 | 699.0 | -43.6 | -6.1 | 5.9 |
| 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 | 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 |
| Value | 64 | 63 | 62 | 61 | 61 | 92 | 88 | 85 | 81 | 80 | 80 | 80 | 81 | 82 | 95 | 26 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 25 | 25 | 23 | 20 | 20 | 16 | 15 | 15 | 14 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 8.051 | 0.0 | 0.0 |
| Percentage of PaymentsOfDividends | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Value | 800000.0 | 500000.0 | 700000.0 | 1200000.0 | 700000.0 | 700000.0 |
| Percentage of DeferredTaxAssetsValuationAllowance | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-08-01 | 2020-04-01 |
| Value | 17 | 14 |
| Percentage of DisposalGroupDebtAssumedByBuyer | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 |
| Value | 500000.0 | 3000000.0 |
| Percentage of GrantIncome | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 |
| Value | 600000.0 | 1200000.0 |
| Percentage of GrantIncome | 120.0 | 40.0 |
| Period End | 2021-06-30 | 2020-06-30 |
| Value | -169790000.0 | -12136000.0 |
| Percentage of IncomeLossFromEquityMethodInvestmentsAndOtherThanTemporaryImpairment | 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 | -4914000.0 | -5713000.0 | -5798000.0 | 7907000.0 | -6202000.0 | -365000.0 | -6484000.0 | -4958000.0 | -6843000.0 | -1164000.0 |
| Percentage of NonCashRentalAndRelatedRevenuesAdjustments | 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 | 111 | 113 | 111 | 112 | 111 | 111 | 110 | 124 | 123 | 211 | 138 | 115 | 105 | 105 | 109 | 96 | 49 | 45 |
| Percentage of OperatingAndInterestExpense | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| Value | -15.039 | 28 | 0.641 | 0.879 | -11.194 | -28.475 | 5.607 | -5.835 | -10.031 | -14.77 | -5.459 | 0.541 | 6.657 |
| Percentage of OtherComprehensiveIncomeLossCashFlowAndNetInvestmentHedgeGainLossBeforeReclassificationAndTax | 100.0 | 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 | 0.01 |
| Percentage of PaymentsForPreferredEquityInvestments | 100.0 |
| Period End | 2021-06-30 | 2020-12-31 | 2020-09-30 |
| Value | 500000.0 | 1100000.0 | 4200000.0 |
| Percentage of ProceedsFromGovernmentAssistance | 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 |
| Value | 85 | 87 | 59 | 19 | -0.07 | 1.93 | 247 | 90 | 213 | -2.323 | 0.0 | 0.0 | 0.0 | -0.499 | 47 |
| Percentage of ProceedsPaymentsFromIssuanceOfStockNetOfTaxesPaidOnBehalfOfEmployees | 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 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | -212000.0 | -301000.0 | -5000.0 | -3059000.0 |
| Percentage of RepaymentsOfPreferredEquityInvestments | 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 | 2015-12-31 | 2014-12-31 | 2013-12-31 |
| Value | -0.02 | -0.335 | -0.005 | -3.059 | -1.407 | -1.209 | -0.376 | -2.087 | -0.379 | -6.116 | -0.141 | -0.234 | -0.516 | -0.473 | -2.766 | 0.0 | -10.1 | 10 | 0.0 | 0.0 | 0.0 |
| Percentage of RepaymentsofPreferredEquityInvestments | 100.0 | 100.0 | 100.0 | 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 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 |
| Value | 17.29 |
| Percentage of SaleOfStockAveragePricePerShare | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2019-09-30 |
| Value | 17.93 | 17.64 | 15.7 | 21.82 |
| Percentage of SaleOfStockAveragePricePerShare | 103.7 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-09-30 |
| Value | 14 |
| Percentage of WriteOffOfNonCashRentReceivablesAndLeaseIntangibles | 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 | 1.7 | 1.896 | 1.891 | 2.1 | 2.2 | 2.233 | 2.234 | 2.5 | 2.8 | 2.561 | 2.589 | 2.551 | 2.516 | 2.481 | 2.488 | 2.044 | 1.653 | 1.591 |
| Percentage of AmortizationOfFinancingCostsAndDiscounts | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2017-12-31 | 2017-09-30 | 2017-06-30 |
| Value | 0.2 | 0.1 | 1.1 | 1.4 | 1.4 | 0.8 | 0.2 | 0.2 | 4.7 | 3.2 | 1.6 | 6.3 | 1.4 | 0.1 |
| Percentage of BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual | 100.0 | 100.0 | 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 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2017-12-31 | 2017-09-30 | 2017-06-30 |
| Value | 2.3 | 0.4 | 3.3 | 3.4 | 3.4 | 2.4 | 0.6 | 0.2 | 12 | 11 | 10 | 9.0 | 1.5 | 0.1 |
| Percentage of BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual | 100.0 | 100.0 | 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 |
| Value | 0.0 | 0.0 | 4.599999999999998 | 16 |
| Percentage of BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1 | 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 | 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 | 44 | -36.101 | 23 | 4.898 | -25.905 | 13 | 9.346 | -17.723 | 24 | -27.168 | -79.475 | -86.234 | 167 | -529.124 | 544 | 20 | 0.574 | -12.721 |
| Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 0.0 | -13.0 | 25 |
| Percentage of CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths | 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 | 2018-03-31 |
| Value | 5000.0 | 7000.0 | 7000.0 | 8000.0 | 20000.0 | 53000.0 | 86000.0 | 218000.0 | 284000.0 | 348000.0 | 1529000.0 | 599000.0 |
| Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion | 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 | 2020-08-05 | 2020-05-06 | 2019-10-30 | 2019-08-07 | 2019-05-08 | 2018-11-05 | 2018-08-08 | 2018-05-09 | 2013-01-07 |
| Value | 0.3 | 0.3 | 0.45 | 0.45 | 0.45 | 0.45 | 0.45 | 0.45 | 0.34 |
| Percentage of CommonStockDividendsPerShareDeclared | 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 | -56000.0 | -44000.0 | -100000.0 | 200000.0 |
| Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2019-09-30 | 2019-06-30 | 2018-09-30 | 2017-09-30 |
| Value | 100000.0 | 100000.0 | 38000.0 | 1000.0 | 11000.0 | 0 |
| Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2019-09-30 | 2019-06-30 | 2018-09-30 | 2018-06-30 | 2017-09-30 |
| Value | 700000.0 | 700000.0 | 700000.0 | 700000.0 | 600000.0 | 600000.0 | 300000.0 |
| Percentage of DirectFinancingLeaseLeaseIncome | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 |
| Value | -1000.0 | -21000.0 |
| Percentage of DirectFinancingLeaseNetInvestmentInLeaseAllowanceForCreditLossPeriodIncreaseDecrease | 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 |
| Value | 0.1 | 3.5 | 0.5 | -0.1 | -1.6 | -1.1 | -9.905 | 0.005 |
| Percentage of DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss | 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 | -3.6 | 0.3 | 0.447 | -0.4 |
| Percentage of DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss | 0.0 | 0.0 | 89.4 | 400.0 |
| 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 | 65 | 63 | 63 | 62 | 62 | 93 | 89 | 86 | 81 | 80 | 81 | 80 | 80 | 80 | 93 | 23 | 28 | 27 | 27 | 27 | 27 | 26 | 27 | 26 | 23 | 23 | 21 | 18 | 18 | 14 | 90 | -12.942 | -12.856 | -12.811 | -12.545 | -12.166 | -12.542 | -12.213 | -11.762 | -11.827 |
| 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 | 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 | 65 | 63 | 63 | 62 | 62 | 93 | 89 | 86 | 81 | 80 | 81 | 80 | 80 | 80 | 93 | 23 | 28 | 27 | 27 | 27 | 27 | 26 | 27 | 26 | 23 | 23 | 21 | 18 | 18 | 14 | 90 | -12.942 | -12.856 | -12.811 | -12.545 | -12.166 | -12.542 | -12.213 | -11.762 | -11.827 |
| 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 | 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 |
| Value | 63 | 62 | 62 | 93 | 89 | 86 | 81 | 80 | 81 | 80 | 80 | 80 | 93 | 23 | 28 | 27 | 27 |
| 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 |
| 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 | 94000.0 | 65000.0 | 318000.0 | 146000.0 | 284000.0 | -660000.0 | 135000.0 | -89000.0 | 151000.0 | 149000.0 | -383000.0 | 96000.0 | -97000.0 | -155000.0 | -20000.0 | 628000.0 | 109000.0 | 21000.0 |
| Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| Value | 1.477 | 4.235 | 3.043 | 4.04 | 3.703 | 3.278 | 3.847 | 3.037 | 2.416 | 2.884 | 3.61 | 0.0 | 0.0 | 0.0 |
| Percentage of EquityMethodInvestmentDividendsOrDistributions | 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 |
| Value | 164 |
| Percentage of EquityMethodInvestmentOtherThanTemporaryImpairment | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 |
| Value | -100000.0 | 1900000.0 | 1200000.0 | -100000.0 | 100000.0 | 700000.0 | 100000.0 |
| Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 0 | 1000000.0 |
| Percentage of GainLossOnSaleOfProperties | 0.0 | 100.0 |
| Period End | 2020-12-31 |
| Value | 0 |
| Percentage of GainLossOnSaleOfProperties | 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 |
| Value | -3.752 | 1.313 | 0.033 | 2.715 | 0.33 | -0.217 | 1.084 | -0.019 | 2.755 | -1.52 | -14.247 | 0.014 | 142 | -0.472 | 47 | 0.582 | 4.032 | 0.0 |
| Percentage of GainsLossesOnSalesOfInvestmentRealEstate | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 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 | 2010-12-31 |
| Value | 0.849 | 3.154 | 0.0 | 0.0 | 2.717 | 13 | 2.002 | 103 | -0.013 | 0.0 | 0.881 | 0.532 | 1.326 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 29 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of ImpairmentOfRealEstate | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 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 | -5663000.0 | -5010000.0 | -3562000.0 | 2766000.0 | -12136000.0 | -3667000.0 | -1161000.0 | -605000.0 | -3647000.0 | -1383000.0 | -1805000.0 | -1725000.0 | -2347000.0 | 446000.0 | 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 | 100.0 | 100.0 | 100.0 | 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 |
| Value | -0.785 | -10.992 | 6.252 | 6.086 | 1.249 | -9.929 | 6.899 | 1.85 | -5.354 | -17.265 | 3.426 | -23.177 | 7.757 | 0.249 | -13.687 | -53.897 | 4.932 | -4.605 | 5.245 | 1.893 | 9.754 | -5.43 | 9.387 | -3.424 | 6.002 | -4.988 | -9.972 | 19 | 1.226 | 2.086 | -4.983 | 8.536 | -4.636 | 6.513 | -5.89 | 9.125 | -5.967 | 4.053 | -2.165 | 7.375 | -3.621 | 4.106 | 3.276 |
| Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| Value | -0.512 | 2.873 | 2.875 | 2.146 | -5.518 | 6.895 | 2.387 | 1.963 | -4.635 | 9.924 | 2.722 | 1.901 | 0.472 | 1.658 | 11 | -9.377 | 13 | 1.414 | 2.833 | 1.884 | -9.165 | 5.9 | 7.759 | 3.743 | 8.086 | 3.206 | 5.464 | 1.358 | -0.981 | 2.152 | 1.965 | -0.069 | 1.05 | 0.513 | 0.198 | -0.895 | 0.653 | 0.126 | 1.591 | -0.337 | 0.172 | -0.391 | 0.609 |
| Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 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 | 179460.0 | 935470.0 | 625510.0 | 610960.0 | -165280.0 | 1302000.0 | 686640.0 | 0 | -4720.0 | 623440.0 | 369270.0 | 221780.0 | -57006.0 | 268460.0 | 232110.0 | 565840.0 | 51423.0 | 279140.0 | 200330.0 | 0 | 1613.0 | 237880.0 | 219980.0 | 374030.0 | 56057.0 | 517250.0 | 441000.0 | 0 | 113950.0 | 470240.0 | 0 | 453840.0 | 105780.0 | 286950.0 | 43745.0 | 22916.0 | -32471.0 | 62964.0 | 71895.0 | 76052.0 |
| Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements | 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 | 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 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-03-31 |
| Value | 32151.0 |
| Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements | 0.0 |
| Period End | 2021-03-31 | 2020-03-31 |
| Value | 1141500.0 | 610960.0 |
| Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements | 0.0 | 100.0 |
| Period End | 2020-09-30 |
| Value | 0.0 |
| Percentage of NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1 | 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 |
| Value | 110 | 113 | 110 | 100 | 112 | 106 | 112 | 110 | 112 | 116 | 117 | 130 | 144 | 144 |
| Percentage of OperatingLeaseLeaseIncome | 100.0 | 100.0 | 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 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 |
| Value | -12.84 | 30 | 3.836 | -6.182 | -40.475 | 8.001 | -8.196 | -8.126 | -11.611 | -13.384 | 2.954 | 4.009 |
| Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax | 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 |
| Value | -3341000.0 | -3202000.0 | -2924000.0 | -2985000.0 | -2398000.0 | 237000.0 | 764000.0 | 1173000.0 | 1695000.0 | 1913000.0 | 1515000.0 | 1001000.0 | 633000.0 |
| Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax | 100.0 | 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 |
| Value | -1563000.0 | -1175000.0 | -4563000.0 | -1913000.0 | -3413000.0 | 7813000.0 | -1625000.0 | 1088000.0 | -1863000.0 | -1925000.0 | 5188000.0 | -1725000.0 | 1750000.0 |
| Percentage of OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax | 100.0 | 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 |
| Value | -636000.0 | -555000.0 | -2302000.0 | -1044000.0 | -1599000.0 | 4187000.0 | -769000.0 | 1273000.0 | -42000.0 | -1234000.0 | 2737000.0 | -688000.0 | 898000.0 |
| Percentage of OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax | 40.7 | 47.2 | 50.4 | 54.6 | 46.9 | 53.6 | 47.3 | 117.0 | 2.3 | 64.1 | 52.8 | 39.9 | 51.3 |
| 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 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 |
| Value | 502000.0 | 412000.0 | 608000.0 | 608000.0 | 574000.0 | 561000.0 | 532000.0 | 555000.0 | 563000.0 | 562000.0 | 578000.0 | 548000.0 | 604000.0 | 570000.0 | 632000.0 | 188000.0 | -25000.0 | -26000.0 | -33000.0 | -106000.0 | -221000.0 | -222000.0 | -283000.0 | -131000.0 | -99000.0 | -113000.0 | -108000.0 | -77000.0 | -70000.0 | -70000.0 | -50000.0 | -17000.0 |
| Percentage of OtherNoncashIncomeExpense | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| Value | -0.024 | 0.133 | -0.154 | 0.115 | -0.066 | 2.259 | 1.709 | 0.215 | -0.001 | 0.171 | 0.324 | 1.336 | 0.0 | 2.82 | 0.049 | 0.051 | 0.941 | 2.129 | 5.332 | 2.945 | 2.4 | 0.0 | 2.56 | -0.1 | -0.1 | -0.1 | 0.7 | -0.1 | 0.66 | 0.3 | -0.2 | 0.3 | -1.4 | 0.5 | 2.196 | 0.0 | 0.0 |
| Percentage of OtherOperatingIncomeExpenseNet | 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 | 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 | 0.0 | 0.0 |
| 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 | 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 |
| Value | 0.011 | 0.097 | 0.007 | 0.715 | 1.597 | 9.588 | 4.407 | 0.006 | 0.34 | 0.0 | 0.006 | 0.006 | 0.021 | 15 | 0.015 | 0.109 | 0.004 | 0.002 | 0.046 | 5.885 | 0.138 | 0.48 | 0.704 | 0.13 | 3.657 | 5.339 | 0.262 | 9.873 | 0.356 | 3.22 | 5.306 | 0.072 | -0.245 | 3.61 | 0.979 | 2.456 | 0.182 | 0.225 | -0.036 | 0.306 | 0.161 |
| Percentage of PaymentsOfFinancingCosts | 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 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 2019-09-30 |
| Value | 300000.0 | 300000.0 | 500000.0 | 300000.0 | 1300000.0 |
| Percentage of PaymentsOfStockIssuanceCosts | 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 | 0 | 1900000.0 | 2300000.0 | 0 | 0 | 900000.0 | 200000.0 | 0 | 0 | 1300000.0 | 200000.0 | 0 | 0 | 200000.0 | 300000.0 | 200000.0 | 0 | 2600000.0 |
| Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation | 0.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 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 |
| Value | 10 | 10 | 14 | 12 | 7.911 | 11 | 9.466 | 7.389 | 3.524 | 5.072 | 6.002 | 4.878 | 5.278 | 11 | 3.721 | 1.939 | 0.774 | 0.52 | 0.102 | 0.027 | 0.4 | 0.474 | 2.093 | 0.563 | 0.358 | 0.675 | 0.32 | 0.368 | 0.727 | 0.056 | 0.376 | 0.162 | 0.226 | 0.0 | 0.007 | 0.309 | 0.474 | 0.256 | 0.0 | 0.0 | 0.0 | 0.086 | 0.016 |
| Percentage of PaymentsToAcquireFurnitureAndFixtures | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 0.0 | 0.0 | 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 | 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 |
| Value | 0.0 | 0.0 | 0.715 | 0.936 | 3.624 | 0.618 | 6.047 | 2.776 | 9.283 | 13 | 14 | 13 | 11 | 4.715 | 0.419 | 0.508 | 0.197 | 3.195 | 0.433 | 5.85 | 23 | 4.47 | 14 | 7.303 | 7.141 | 20 | 18 | 19 | 139 | 1.149 | 12 | 12 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.019 | 5.329 | 0.0 |
| Percentage of PaymentsToAcquireNotesReceivable | 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 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 0.0 | 0.0 | 100.0 | 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 | 2013-12-31 | 2010-12-31 |
| Value | 0.507 | 0.628 | 0.998 | 1.485 | 0.599 | 1.011 | 4.606 | 3.659 | 4.851 | 5.251 | 3.507 | 9.395 | 10 | 28 | 23 | 7.163 | 1.429 | 0.118 | 1.015 | 21 | 185 | 8.874 | 2.518 | 1.233 | 0.0 | 2.052 | 0.81 | 0.287 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of ProceedsFromCollectionOfNotesReceivable | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2019-09-30 |
| Value | 18 | 20 | 34 | 21 | 91 |
| Percentage of ProceedsFromIssuanceOfCommonStock | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 66 | 70 |
| Percentage of ProceedsFromIssuanceOfCommonStock | 361.1 | 347.5 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 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 | -17.0 | -28.0 | 101 | -200.0 | -75.0 | -345.0 | -4.0 | 65 | -30.0 | 390 | -143.0 | 15 | -9.0 | 26 | 0.0 | -198.0 | -57.0 | 51 | 82 | 96 | -42.0 | -346.0 | 614 | -162.0 | 26 |
| Percentage of ProceedsFromRepaymentsOfLinesOfCredit | 100.0 | 100.0 | 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 |
| 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 | 5.179 | 3.202 | 7.997 | -0.762 | 3.244 | 6.272 | 7.335 | -1.021 | 315 | 6.857 | 91 | 12 | 271 | 6.743 | 81 | 5.624 | 6.099 | 0.0 | 12 | 9.993 | 75 | 0.398 | 11 | 13 | 1.8 | 0.0 | 27 | 0.0 |
| Percentage of ProceedsFromSaleOfProductiveAssets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 0.0 | 100.0 | 0.0 |
| Period End | 2020-12-31 |
| Value | 0.0 |
| Percentage of ProceedsFromSaleOfRealEstate | 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 | -0.109 | 2.025 | 1.149 | -0.09 | 0.129 | 0.667 | -0.219 | 0.057 | 0.193 | 1.207 | 29 | 8.91 | -0.674 | 1.213 | 9.659 | 5.149 | 0.535 | 1.77 | 2.257 | 0.54 | 0.223 | 2.523 | 6.237 | 2.489 | 2.972 | 1.144 | -2.394 | 0.0 | 2.895 | 0.0 |
| Percentage of ProvisionForDoubtfulAccounts | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 17 | 93 |
| Percentage of RepaymentsOfMediumTermNotes | 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 |
| Value | 0.737 | 0.709 | 0.676 | 0.727 | 0.792 | 0.877 | 0.87 | 0.863 | 0.854 | 0.849 | 137 | 1.074 | 1.067 | 1.061 | 1.051 | 1.045 | 1.028 | 1.021 | 1.012 | 11 | 1.038 | 1.022 | 0.948 | 0.844 | 0.643 | 0.697 | 0.691 | 0.686 | 30 | 57 | 0.913 | 0.888 | 8.204 | 0.989 | 25 | 14 | 21 | 0.791 | 0.778 | 0.75 | 0.739 | 0.76 | 0.235 |
| Percentage of RepaymentsOfSecuredDebt | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 2019-09-30 |
| Value | 1.4 | 0.0 | 4.2 |
| Percentage of SaleOfStockNumberOfSharesIssuedInTransaction | 100.0 | 0.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 3.9 | 4.0 |
| Percentage of SaleOfStockNumberOfSharesIssuedInTransaction | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 600000.0 | 600000.0 | 700000.0 | 700000.0 |
| Percentage of SalesTypeLeaseLeaseIncome | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 21000.0 | 100000.0 | -21000.0 | -16000.0 |
| Percentage of SalesTypeLeaseNetInvestmentInLeaseAllowanceForCreditLossPeriodIncreaseDecrease | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | -500000.0 | 4700000.0 |
| Percentage of SalesTypeLeaseSellingProfitLoss | 100.0 | 100.0 |
| Period End | 2020-09-30 |
| Value | 17 |
| Percentage of TransferMortgagePayable | 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 | 4.8 | 4.8 | 5.2 | 5.0 | 5.5 | 5.2 | 4.6 | 4.0 | 4.8 | 4.2 |
| Percentage of VariableLeaseIncome | 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 | 2016-12-31 |
| Value | 179 | 188 | 160 | 159 | 155 | 169 | 150 | 145 | 138 | 149 | 167 | 197 | 196 | 200 | 168 | 99 |
| Percentage of AccountsReceivablePrepaidExpensesDeferredFinancingCostsAndOtherAssetsNet | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| Value | 15 | 16 | 29 | 32 |
| Percentage of DerivativeLiabilitySettlementAmount | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 |
| Value | 2.7 |
| Percentage of DisposalGroupIncludingDiscontinuedOperationAssetsAndLiabilitiesNet | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 |
| Value | 47 | 38 | 24 | 7.0 |
| Percentage of DisposalGroupIncludingDiscontinuedOperationAssetsAndLiabilitiesNet | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 14 | 5.0 |
| Percentage of DisposalGroupIncludingDiscontinuedOperationAssetsAndLiabilitiesNet | 544.4 | 0.0 |
| Period End | 2021-06-30 |
| Value | 7.0 |
| Percentage of EquityMethodInvestmentMeasurementInput | 100.0 |
| Period End | 2021-06-30 |
| Value | 7.25 |
| Percentage of EquityMethodInvestmentMeasurementInput | 103.6 |
| Period End | 2021-06-30 |
| Value | 11.5 |
| Percentage of EquityMethodInvestmentMeasurementInput | 164.3 |
| Period End | 2021-06-30 |
| Value | 6.0 |
| Percentage of EquityMethodInvestmentMeasurementInput | 85.7 |
| Period End | 2021-06-30 |
| Value | 6.75 |
| Percentage of EquityMethodInvestmentMeasurementInput | 96.4 |
| Period End | 2021-06-30 |
| Value | 11.0 |
| Percentage of EquityMethodInvestmentMeasurementInput | 157.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 |
| Value | 105 | 101 | 102 | 103 | 84 | 88 | 107 |
| Percentage of FinancingReceivableAndOtherInvestmentsNet | 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 | 7.9 | 7.9 | 7.9 | 7.9 | 0.079 | 0.079 |
| Percentage of FinancingReceivableEffectiveInterestRate | 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 | 7.8 | 7.8 | 7.8 | 7.8 | 0.078 | 0.078 |
| Percentage of FinancingReceivableEffectiveInterestRate | 98.7 | 98.7 | 98.7 | 98.7 | 98.7 | 98.7 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 |
| Value | 10.0 | 10.0 | 10.0 | 10.0 | 0.1 | 0.1 |
| Percentage of FinancingReceivableEffectiveInterestRate | 126.6 | 126.6 | 126.6 | 126.6 | 126.6 | 126.6 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 |
| Value | 6.9 | 6.9 | 6.9 | 6.9 | 0.069 | 0.069 |
| Percentage of FinancingReceivableEffectiveInterestRate | 87.3 | 87.3 | 87.3 | 87.3 | 87.3 | 87.3 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 |
| Value | 7.8 | 7.8 | 7.8 | 7.8 | 0.077 | 0.077 |
| Percentage of FinancingReceivableFixedInterestRate | 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 | 8.0 | 8.0 | 8.0 | 8.0 | 0.08 | 0.08 |
| Percentage of FinancingReceivableFixedInterestRate | 102.6 | 102.6 | 102.6 | 102.6 | 103.9 | 103.9 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 |
| Value | 10.0 | 10.0 | 10.0 | 10.0 | 0.1 | 0.1 |
| Percentage of FinancingReceivableFixedInterestRate | 128.2 | 128.2 | 128.2 | 128.2 | 129.9 | 129.9 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 |
| Value | 6.8 | 6.8 | 6.8 | 6.8 | 0.068 | 0.068 |
| Percentage of FinancingReceivableFixedInterestRate | 87.2 | 87.2 | 87.2 | 87.2 | 88.3 | 88.3 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 |
| Value | 9.0 | 9.0 | 9.0 | 12.0 | 0.13 | 0.15 |
| Percentage of FinancingReceivableMeasurementInput | 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 |
| Value | 64 | 64 | 65 | 66 | 67 | 67 | 67 |
| Percentage of FinancingReceivablePrincipalAmount | 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 | 3.343 | 3.343 | 3.343 | 3.343 | 3.276 | 2.518 |
| Percentage of FinancingReceivablePrincipalAmount | 5.2 | 5.2 | 5.1 | 5.0 | 4.8 | 3.7 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 |
| Value | 41 | 42 | 42 | 43 | 45 | 46 |
| Percentage of FinancingReceivablePrincipalAmount | 65.2 | 65.5 | 65.8 | 66.3 | 67.1 | 68.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 |
| Value | 1.9 | 2.0 | 2.1 | 2.2 | 2.2 | 2.3 | 2.3 |
| Percentage of FinancingReceivablePrincipalAmount | 3.0 | 3.1 | 3.2 | 3.3 | 3.2 | 3.4 | 3.4 |
| 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 | 2016-12-31 |
| Value | 79 | 81 | 82 | 85 | 93 | 96 | 101 | 104 | 108 | 119 | 131 | 142 | 156 | 161 | 167 | 262 | 26 |
| Percentage of FiniteLivedIntangibleAssetsLeasesNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| Value | 9.3 | 9.2 | 9.2 | 9.2 |
| Percentage of InvestmentsWeightedAverageContractualRate | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 |
| Value | 9.4 | 9.3 | 9.3 | 9.3 |
| Percentage of InvestmentsWeightedAverageEffectiveRate | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 |
| Value | 1576 | 1572 | 1923 |
| Percentage of LessorOperatingLeasePaymentToBeReceivedAfterYearFour | 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 | 2016-12-31 |
| Value | 92 | 91 | 85 | 86 | 84 | 84 | 83 | 83 | 78 | 95 | 98 | 89 | 90 | 96 | 81 | 21 |
| Percentage of LettersOfCreditDeposits | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| Value | 1001 | 1001 | 1004 | 1020 |
| Percentage of LongTermDebtMaturityAfterYearFour | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 |
| Value | 51 | 51 | 54 | 70 |
| Percentage of LongTermDebtMaturityAfterYearFour | 5.2 | 5.2 | 5.4 | 6.9 |
| 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 | 2013-12-31 |
| Value | 49 | 44 | 43 | 42 | 21 | 25 | 44 | 44 | 44 | 43 | 44 | 47 | 51 | 50 | 48 | 52 | 45 | 46 | 45 | 42 | 40 | 31 | 29 | 27 | 22 | 17 | 16 | 7.784 |
| Percentage of PreferredEquityInvestmentCarryingAmount | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 2012-12-31 |
| Value | 49 | 44 | 43 | 42 | 21 | 25 | 43 | 44 | 43 | 43 | 43 | 46 | 50 | 49 | 48 | 51 | 44 | 46 | 44 | 42 | 40 | 31 | 29 | 27 | 22 | 16 | 16 | 11 | 14 | 7.979 | 7.695 | 7.004 | 0.0 |
| Percentage of PreferredEquityInvestmentFaceValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 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 | 49 | 45 | 44 | 43 | 22 | 26 | 44 | 44 | 44 | 43 | 43 | 46 | 50 | 47 | 47 | 52 | 47 | 47 | 48 | 45 | 43 | 33 | 30 | 29 | 24 | 17 |
| Percentage of PreferredEquityInvestmentFairValueDisclosure | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 2012-12-31 |
| Value | 49 | 44 | 43 | 42 | 21 | 25 | 44 | 44 | 44 | 43 | 44 | 47 | 51 | 50 | 48 | 52 | 45 | 46 | 45 | 42 | 40 | 31 | 29 | 27 | 22 | 17 | 16 | 11 | 14 | 8.074 | 7.784 | 7.09 | 0.0 |
| Percentage of PreferredEquityInvestmentFairValueDisclosure | 98.6 | 98.6 | 98.5 | 99.3 | 99.0 | 99.2 | 99.6 | 99.2 | 100.1 | 99.1 | 101.0 | 101.1 | 101.1 | 105.0 | 103.0 | 98.8 | 96.3 | 98.1 | 93.5 | 94.4 | 93.5 | 94.8 | 97.3 | 93.0 | 93.1 | 97.6 | 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 | 2013-12-31 |
| Value | 49 | 45 | 44 | 43 | 22 | 26 | 44 | 44 | 44 | 43 | 43 | 46 | 50 | 47 | 47 | 52 | 47 | 47 | 48 | 45 | 43 | 33 | 30 | 29 | 24 | 17 | 17 | 12 | 14 | 7.95 |
| Percentage of PreferredEquityInvestmentFairValueDisclosure | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| 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 | 49 | 45 | 44 | 43 | 22 | 26 | 44 | 44 | 44 | 43 | 43 | 46 | 50 | 47 | 47 | 52 | 47 | 47 | 48 | 45 | 43 | 33 | 30 | 29 | 24 | 17 | 17 |
| Percentage of PreferredEquityInvestmentFairValueDisclosure | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 2020-12-31 | 2020-09-30 |
| Value | 11.2 | 11.3 | 11.3 | 11.3 |
| Percentage of PreferredEquityInvestmentWeightedAverageContractualRate | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 |
| Value | 11.2 | 11.3 | 11.3 | 11.3 |
| Percentage of PreferredEquityInvestmentWeightedAverageEffectiveRate | 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 | 11.0 | 11.0 | 11.0 | 11.0 | 0.13 | 0.12 |
| Percentage of PreferredEquityInvestmentsMeasurementInput | 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 |
| Value | 16 | 16 | 16 | 15 | 16 | 17 | 14 | 14 | 15 | 14 | 17 | 20 | 28 | 25 | 28 |
| Percentage of PropertyTaxesInsuranceAndTenantImprovementDepositLiability | 100.0 | 100.0 | 100.0 | 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 | 5854 | 5824 | 6208 | 6323 | 2323 | 2304 | 1858 | 1089 | 949 |
| Percentage of RealEstateAndAccumulatedDepreciationInitialCost | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 |
| Value | 5000 |
| Percentage of RealEstateAndAccumulatedDepreciationInitialCostTaxBasis | 100.0 |
| Period End | 2021-03-31 | 2020-12-31 |
| Value | 17.94 | 17.44 |
| Percentage of SaleOfStockForwardAgreementInitialWeightedAveragePrice | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 17.2 | 17.67 |
| Percentage of SaleOfStockForwardAgreementInitialWeightedAveragePriceForwardFeature | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 |
| Value | 75 | 139 | 234 | 314 |
| Percentage of SaleOfStockRemainingAmountAvailableForIssuance | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-03-31 | 2020-12-31 |
| Value | 1300000.0 | 1100000.0 |
| Percentage of SaleOfStockRemainingAmountAvailableForIssuanceShares | 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 | 22 | 21 | 23 | 16 | 39 | 241 |
| Percentage of MortgageLoansOnRealEstateFaceAmountOfMortgages | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 3.343 | 2.468 | 1.056 |
| Percentage of MortgageLoansOnRealEstateFaceAmountOfMortgages | 15.0 | 11.5 | 4.6 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 19 | 19 | 18 |
| Percentage of MortgageLoansOnRealEstateFaceAmountOfMortgages | 85.0 | 88.5 | 80.3 |
| Period End | 2020-12-31 |
| Value | 22 |
| Percentage of MortgageLoansOnRealEstateFederalIncomeTaxBasis1 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 80 | 114 | 117 |
| Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances | 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 | 2010-11-14 |
| Value | 119 | 123 | 146 | 143 | 143 | 150 | 108 | 109 | 100 | 94 | 94 | 86 | 105 | 102 | 102 | 116 | 37 | 33 | 39 | 38 | 36 | 28 | 35 | 27 | 30 | 23 | 31 | 40 | 21 | 26 | 22 | 23 | 14 | 18 | 11 | 17 | 11 | 17 | 14 | 17 | 8.725 | 9.286 | 15 |
| 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 | 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 | 944 | 746 | 716 | 689 | 663 | 631 | 573 | 523 | 460 | 462 | 271 | 171 | 125 | 238 | 217 | 225 | 214 | 203 | 192 | 184 | 180 | 187 | 142 | 137 | 126 | 117 | 110 | 108 | 104 | 98 | 74 | 72 | 68 | 52 | 48 | 40 | 33 | 26 | 18 | 14 | 4.709 | -0.007 |
| Percentage of AccumulatedDistributionsInExcessOfNetIncome | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| Value | 31 | 29 | 18 | 4.628 | 0.0 |
| Percentage of BelowMarketLeaseAccumulatedAmortization | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 |
| Value | 89 | 99 | 102 | 102 | 0.0 |
| Percentage of BelowMarketLeaseGross | 100.0 | 100.0 | 100.0 | 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 | 2016-12-31 |
| Value | 53 | 55 | 57 | 60 | 63 | 66 | 69 | 73 | 76 | 79 | 83 | 87 | 91 | 94 | 98 | 94 | 0.0 |
| Percentage of BelowMarketLeaseNet | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 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 | 2011-12-31 |
| Value | 5178 | 5153 | 5120 | 5107 | 5128 | 5093 | 5042 | 5018 | 5017 | 5044 | 5388 | 5506 | 5489 | 5576 | 5449 | 5410 | 1998 | 1981 | 1983 | 1962 | 1864 | 1863 | 1947 | 1883 | 1833 | 1552 | 1551 | 1476 | 1000 | 979 | 879 | 787 | 787 | 782 | 782 | 704 | 670 | 626 |
| Percentage of BuildingsAndImprovementsGross | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2016-12-31 | 2016-09-30 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2013-12-31 |
| Value | 55 | 26 | 104 | 104 | 104 | 76 | 39 | 12 | 232 | 208 | 187 | 359 | 329 | 13 | 143 | 102 | 449 | 372 | 294 | 725 | 625 | 126 | 114 |
| Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2016-12-31 | 2016-09-30 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 |
| Value | 2.525 | 1.338 | 2.578 | 2.578 | 2.578 | 2.156 | 1.438 | 0.234 | 2.046 | 1.669 | 1.312 | 0.722 | 6.684 | 6.143 | 0.223 | 2.202 | 1.565 | 7.556 | 5.481 | 4.421 | 9.546 | 7.924 | 2.075 | 1.741 | 2.196 |
| Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2016-12-31 | 2016-09-30 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 |
| Value | 0.01 | 0.01 | 0.347 | 0.347 | 0.347 | 0.224 | 0.215 | 0.051 | 0.677 | 0.565 | 0.412 | 0.209 | 2.053 | 1.88 | 0.071 | 0.642 | 0.439 | 2.106 | 1.881 | 1.428 | 3.612 | 2.991 | 0.677 | 0.586 | 0.349 |
| Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles | 0.4 | 0.7 | 13.5 | 13.5 | 13.5 | 10.4 | 15.0 | 21.8 | 33.1 | 33.9 | 31.4 | 28.9 | 30.7 | 30.6 | 31.8 | 29.2 | 28.1 | 27.9 | 34.3 | 32.3 | 37.8 | 37.7 | 32.6 | 33.7 | 15.9 |
| 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 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2016-12-31 | 2016-09-30 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2013-12-31 |
| Value | 3.61 | 0.917 | 5.8 | 5.8 | 5.8 | 4.74 | 10 | 2.04 | 29 | 28 | 24 | 58 | 55 | 1.034 | 7.755 | 5.521 | 32 | 26 | 20 | 66 | 54 | 11 | 5.563 |
| Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2016-12-31 | 2016-09-30 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2014-12-31 | 2014-09-30 | 2014-06-30 |
| Value | 62 | 28 | 113 | 113 | 113 | 83 | 51 | 14 | 265 | 239 | 213 | 172 | 426 | 393 | 14 | 153 | 109 | 491 | 406 | 321 | 805 | 690 | 141 |
| Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 2016-12-31 |
| Value | 12000.0 | 17000.0 | 24000.0 | 31000.0 | 39000.0 | 59000.0 | 112000.0 | 198000.0 | 449000.0 | 733000.0 | 1081000.0 | 1883000.0 | 2483000.0 | 0 |
| Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield | 100.0 | 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 | 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 |
| Value | 2275 | 2290 | 2383 | 2434 | 2467 | 2492 | 2415 | 2609 | 2686 | 3230 | 3233 | 3371 | 3427 | 3365 | 3399 | 3011 | 1235 | 1218 | 1227 | 1205 | 1218 | 1417 |
| Percentage of DebtInstrumentCarryingAmount | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 2016-03-31 |
| Value | 56 | 73 | 101 | 200 | 275 | 620 | 624 | 619 | 676 | 611 | 641 | 251 | 32 | 17 | 26 | 198 |
| Percentage of DebtInstrumentCarryingAmount | 2.3 | 3.0 | 4.1 | 7.7 | 10.2 | 19.2 | 19.3 | 18.4 | 19.7 | 18.2 | 18.9 | 8.3 | 2.6 | 1.4 | 2.1 | 14.0 |
| 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 |
| Value | 945 | 961 | 1053 | 1048 | 1046 | 1043 | 1051 | 1194 | 1195 | 1193 | 1191 | 1196 | 1195 | 1196 | 1199 | 1200 | 341 | 338 | 338 | 340 | 341 | 341 |
| Percentage of DebtInstrumentCarryingAmount | 41.6 | 42.0 | 44.2 | 43.1 | 42.4 | 41.9 | 43.5 | 45.8 | 44.5 | 36.9 | 36.9 | 35.5 | 34.9 | 35.6 | 35.3 | 39.9 | 27.6 | 27.8 | 27.5 | 28.2 | 28.0 | 24.1 |
| 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 |
| Value | 79 | 79 | 80 | 80 | 98 | 98 | 114 | 115 | 116 | 116 | 117 | 255 | 256 | 257 | 259 |
| Percentage of DebtInstrumentCarryingAmount | 3.5 | 3.5 | 3.4 | 3.3 | 4.0 | 3.9 | 4.8 | 4.4 | 4.3 | 3.6 | 3.6 | 7.6 | 7.5 | 7.7 | 7.6 |
| 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 |
| Value | 1250 | 1250 | 1250 | 1250 | 1250 | 1250 | 1250 | 1100 | 1100 | 1300 | 1300 | 1300 | 1300 | 1300 | 1300 | 1300 | 700 | 700 | 700 | 700 | 700 | 700 |
| Percentage of DebtInstrumentCarryingAmount | 54.9 | 54.6 | 52.4 | 51.3 | 50.7 | 50.1 | 51.7 | 42.1 | 40.9 | 40.2 | 40.2 | 38.6 | 37.9 | 38.6 | 38.2 | 43.2 | 56.7 | 57.4 | 57.0 | 58.1 | 57.4 | 49.4 |
| Period End | 2020-12-31 |
| Value | 10 |
| Percentage of DebtInstrumentCollateralAmount | 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 | 2014-09-30 | 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 | 1372 | 1357 | 1362 | 1311 | 1239 | 1176 | 1328 | 1166 | 1143 | 1301 | 1270 | 1300 | 1292 | 1299 | 1329 | 1341 | 724 | 707 | 709 | 726 | 708 | 697 | 718 | 722 | 725 | 744 | 547 | 572 | 566 | 421 | 417 | 422 | 352 | 345 | 354 | 241 |
| Percentage of DebtInstrumentFairValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 2014-09-30 | 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 | 77 | 76 | 79 | 79 | 96 | 94 | 105 | 110 | 108 | 104 | 101 | 234 | 236 | 237 | 246 | 248 | 148 | 149 | 150 | 161 | 175 | 169 | 165 | 158 | 141 | 118 | 108 | 108 | 121 | 130 | 130 | 139 | 151 | 152 | 167 | 173 |
| Percentage of DebtInstrumentFairValue | 5.7 | 5.6 | 5.8 | 6.0 | 7.8 | 8.0 | 7.9 | 9.5 | 9.5 | 8.0 | 8.0 | 18.1 | 18.3 | 18.3 | 18.5 | 18.5 | 20.6 | 21.1 | 21.2 | 22.3 | 24.8 | 24.3 | 23.0 | 22.0 | 19.6 | 15.9 | 19.8 | 19.0 | 21.4 | 31.0 | 31.4 | 33.1 | 42.9 | 44.2 | 47.3 | 71.8 |
| 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 | 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 | 77 | 76 | 79 | 79 | 96 | 94 | 105 | 110 | 108 | 104 | 101 | 234 | 236 | 237 | 246 | 248 | 148 | 149 | 150 | 161 | 175 | 169 | 165 | 158 | 141 | 118 | 122 |
| Percentage of DebtInstrumentFairValue | 5.7 | 5.6 | 5.8 | 6.0 | 7.8 | 8.0 | 7.9 | 9.5 | 9.5 | 8.0 | 8.0 | 18.1 | 18.3 | 18.3 | 18.5 | 18.5 | 20.6 | 21.1 | 21.2 | 22.3 | 24.8 | 24.3 | 23.0 | 22.0 | 19.6 | 15.9 | 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 | 1372 | 1357 | 1362 | 1311 | 1239 | 1176 | 1328 | 1166 | 1143 | 1301 | 1270 | 1300 | 1292 | 1299 | 1329 | 1341 | 724 | 707 | 709 | 726 | 708 | 697 | 718 | 722 | 725 | 744 | 723 |
| Percentage of DebtInstrumentFairValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 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 | 2012-12-31 |
| Value | 78 | 78 | 79 | 78 | 96 | 97 | 113 | 113 | 114 | 115 | 115 | 252 | 253 | 254 | 256 | 257 | 159 | 159 | 160 | 162 | 174 | 175 | 177 | 168 | 142 | 123 | 124 | 124 | 125 | 130 | 141 | 142 | 143 | 152 |
| Percentage of DebtInstrumentFairValue | 5.7 | 5.8 | 5.8 | 6.0 | 7.8 | 8.3 | 8.5 | 9.7 | 10.0 | 8.8 | 9.1 | 19.4 | 19.6 | 19.6 | 19.3 | 19.2 | 22.0 | 22.6 | 22.7 | 22.3 | 24.6 | 25.1 | 24.8 | 23.3 | 19.6 | 16.6 | 0.0 | 22.8 | 21.9 | 23.0 | 33.6 | 34.1 | 33.9 | 44.1 |
| 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 | 2012-12-31 |
| Value | 1248 | 1248 | 1248 | 1248 | 1248 | 1248 | 1248 | 1106 | 1106 | 1307 | 1307 | 1307 | 1306 | 1306 | 1306 | 1305 | 689 | 688 | 688 | 687 | 686 | 686 | 699 | 699 | 699 | 699 | 699 | 550 | 550 | 550 | 414 | 414 | 414 | 330 |
| Percentage of DebtInstrumentFairValue | 91.0 | 92.0 | 91.6 | 95.2 | 100.7 | 106.1 | 94.0 | 94.9 | 96.8 | 100.5 | 102.9 | 100.5 | 101.1 | 100.6 | 98.3 | 97.4 | 95.2 | 97.4 | 97.0 | 94.7 | 96.9 | 98.4 | 97.3 | 96.8 | 96.5 | 93.9 | 0.0 | 100.5 | 96.1 | 97.0 | 98.4 | 99.4 | 98.3 | 95.8 |
| 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 | 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 | 2013-12-31 |
| Value | 77 | 76 | 79 | 79 | 96 | 94 | 105 | 110 | 108 | 104 | 101 | 234 | 236 | 237 | 246 | 248 | 148 | 149 | 150 | 161 | 175 | 169 | 165 | 158 | 141 | 118 | 122 | 108 | 108 | 130 |
| Percentage of DebtInstrumentFairValue | 5.7 | 5.6 | 5.8 | 6.0 | 7.8 | 8.0 | 7.9 | 9.5 | 9.5 | 8.0 | 8.0 | 18.1 | 18.3 | 18.3 | 18.5 | 18.5 | 20.6 | 21.1 | 21.2 | 22.3 | 24.8 | 24.3 | 23.0 | 22.0 | 19.6 | 15.9 | 0.0 | 19.8 | 19.0 | 31.0 |
| 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 | 2013-12-31 |
| Value | 1372 | 1357 | 1362 | 1311 | 1239 | 1176 | 1328 | 1166 | 1143 | 1301 | 1270 | 1300 | 1292 | 1299 | 1329 | 1341 | 724 | 707 | 709 | 726 | 708 | 697 | 718 | 722 | 725 | 744 | 723 | 547 | 572 | 421 |
| Percentage of DebtInstrumentFairValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 |
| Value | 3.0 | 3.0 | 3.0 | 3.0 | 0.03 | 0.03 |
| Percentage of DebtInstrumentMeasurementInput | 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 | 2016-12-31 |
| Value | -5834000.0 | -6140000.0 | -6442000.0 | -6740000.0 | -7035000.0 | -7325000.0 | -7612000.0 | -13188000.0 | -13980000.0 | -14135000.0 | -14500000.0 | -14860000.0 | -15216000.0 | -15568000.0 | -15915000.0 | 515000.0 |
| Percentage of DebtInstrumentUnamortizedDiscountPremiumNet | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 2016-12-31 | 2015-12-31 |
| Value | -5800000.0 | -6100000.0 | -6442000.0 | -6700000.0 | -7000000.0 | -7300000.0 | -7612000.0 | -13200000.0 | -14000000.0 | -14135000.0 | -14500000.0 | -14860000.0 | -15200000.0 | -15600000.0 | -15915000.0 | 515000.0 | 600000.0 |
| Percentage of DebtInstrumentUnamortizedDiscountPremiumNet | 99.4 | 99.3 | 100.0 | 99.4 | 99.5 | 99.7 | 100.0 | 100.1 | 100.1 | 100.0 | 100.0 | 100.0 | 99.9 | 100.2 | 100.0 | 100.0 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2017-09-30 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2014-12-31 | 2012-12-31 | 2012-09-30 |
| Value | 6.4 | 7.6 | 14 | 15 | 16 | 0.6 | 0.7 | 0.7 | 0.7 | 5.7 | 5.9 |
| 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 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 |
| Value | 3.4 | 3.39 | 3.39 | 3.68 | 0.0366 | 0.0387 | 0.0387 | 0.0387 | 0.0387 |
| Percentage of DebtWeightedAverageInterestRate | 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 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 |
| Value | 14 | 15 | 17 | 18 | 19 | 20 | 21 | 19 | 14 | 14 | 15 | 17 | 18 | 20 | 21 | 22 | 14 | 15 | 16 | 17 | 18 | 18 | 22 | 25 | 15 | 12 | 9.4 |
| 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 | 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 |
| Value | 6.145 | 6.723 | 8.184 | 8.853 | 9.438 | 10 | 10 | 11 | 5.713 | 6.241 | 6.77 | 7.241 | 7.765 | 8.289 | 8.813 | 9.338 | 2.039 | 2.183 | 2.327 | 2.471 | 2.615 | 2.758 |
| Percentage of DeferredFinanceCostsNet | 42.2 | 43.3 | 47.1 | 48.1 | 48.4 | 49.2 | 50.5 | 57.5 | 38.3 | 43.1 | 43.2 | 41.0 | 41.2 | 41.4 | 41.5 | 41.7 | 13.7 | 13.9 | 14.1 | 14.3 | 14.5 | 14.7 |
| 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 | 2016-12-31 |
| Value | 1.1 | 1.1 | 1.1 | 1.1 | 1.3 | 1.3 | 1.7 | 1.7 | 1.7 | 1.8 | 1.785 | 2.685 | 2.7 | 2.743 | 2.772 | 2.9 |
| Percentage of DeferredFinanceCostsNet | 7.6 | 7.1 | 6.3 | 6.0 | 6.7 | 6.3 | 8.0 | 8.6 | 11.4 | 12.4 | 11.4 | 15.2 | 14.3 | 13.7 | 13.1 | 17.6 |
| 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 |
| Value | 7.3 | 7.7 | 8.0 | 8.4 | 8.8 | 9.2 | 8.8 | 6.7 | 7.5 | 6.477 | 7.1 | 7.74 | 8.4 | 9.002 | 9.629 | 10 | 10 | 10 | 11 | 11 | 12 | 13 | 13 |
| Percentage of DeferredFinanceCostsNet | 50.1 | 49.6 | 46.1 | 45.6 | 45.1 | 44.8 | 41.3 | 33.8 | 50.3 | 44.7 | 45.3 | 43.8 | 44.6 | 44.9 | 45.4 | 46.0 | 67.3 | 67.8 | 68.3 | 68.8 | 69.4 | 69.7 | 62.3 |
| 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 |
| Value | 21 | 34 | 12 | 8.473 | 7.006 | 8.074 | 7.477 | 8.684 | 10 | 20 | 29 | 38 | 37 | 34 | 25 | 20 | 9.777 | 10 | 11 | 3.625 | 3.377 | 3.508 | 7.087 | 6.083 | 3.066 |
| Percentage of DerivativeAssets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 2019-06-30 | 2018-12-31 |
| Value | 20 | 32 | 10 | 3.84 | 1.228 | 0.549 | 0.0 | 0.128 | 0.0 |
| Percentage of DerivativeAssets | 95.5 | 95.5 | 83.2 | 45.3 | 17.5 | 6.8 | 0.0 | 1.2 | 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 | 2016-12-31 |
| Value | 0.864 | 1.54 | 2.15 | 4.633 | 5.778 | 7.525 | 3.238 | 4.068 | 2.796 | 2.883 | 4.16 | 1.423 | 2.146 | 1.273 | 0.674 | 3.157 |
| Percentage of DerivativeAssets | 4.0 | 4.5 | 16.8 | 54.7 | 82.5 | 93.2 | 43.3 | 46.8 | 26.3 | 13.8 | 14.2 | 3.7 | 5.7 | 3.7 | 2.6 | 28.1 |
| Period End | 2021-06-30 | 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 | 2016-12-31 |
| Value | 0.106 | 0.0 | 0.0 | 4.239 | 4.617 | 7.704 | 18 | 25 | 36 | 35 | 33 | 25 | 8.083 |
| Percentage of DerivativeAssets | 0.5 | 0.0 | 0.0 | 56.7 | 53.2 | 72.5 | 86.2 | 85.8 | 96.3 | 94.3 | 96.3 | 97.4 | 71.9 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-06-30 |
| Value | 20 | 32 | 10 | 3.84 | 1.228 | 0.549 | 0.128 |
| Percentage of DerivativeAssets | 95.5 | 95.5 | 83.2 | 45.3 | 17.5 | 6.8 | 1.2 |
| 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 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 |
| Value | 0.864 | 1.54 | 2.15 | 4.633 | 5.778 | 7.525 | 3.238 | 4.068 | 2.796 | 2.883 | 4.16 | 1.423 | 2.146 | 1.273 | 0.674 | 0.827 | 2.194 | 3.157 | 3.173 | 3.102 | 2.838 | 5.392 | 4.4 |
| Percentage of DerivativeAssets | 4.0 | 4.5 | 16.8 | 54.7 | 82.5 | 93.2 | 43.3 | 46.8 | 26.3 | 13.8 | 14.2 | 3.7 | 5.7 | 3.7 | 2.6 | 4.1 | 20.1 | 28.1 | 87.5 | 91.9 | 80.9 | 76.1 | 72.3 |
| Period End | 2021-06-30 | 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 | 2017-03-31 | 2016-12-31 | 2016-09-30 |
| Value | 0.106 | 4.239 | 4.617 | 7.704 | 18 | 25 | 36 | 35 | 33 | 25 | 18 | 8.505 | 8.083 | 0.452 |
| Percentage of DerivativeAssets | 0.5 | 56.7 | 53.2 | 72.5 | 86.2 | 85.8 | 96.3 | 94.3 | 96.3 | 97.4 | 93.5 | 78.0 | 71.9 | 12.5 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-06-30 |
| Value | 20 | 32 | 10 | 3.84 | 1.228 | 0.549 | 0.128 |
| Percentage of DerivativeAssets | 95.5 | 95.5 | 83.2 | 45.3 | 17.5 | 6.8 | 1.2 |
| 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 |
| Value | 0.864 | 1.54 | 2.15 | 4.633 | 5.778 | 7.525 | 3.238 | 4.068 | 2.796 | 2.883 | 4.16 | 1.423 | 2.146 | 1.273 | 0.674 | 0.827 | 1.9 | 2.194 | 3.157 | 3.173 | 3.102 | 2.838 | 5.392 | 4.4 |
| Percentage of DerivativeAssets | 4.0 | 4.5 | 16.8 | 54.7 | 82.5 | 93.2 | 43.3 | 46.8 | 26.3 | 13.8 | 14.2 | 3.7 | 5.7 | 3.7 | 2.6 | 4.1 | 19.4 | 20.1 | 28.1 | 87.5 | 91.9 | 80.9 | 76.1 | 72.3 |
| Period End | 2021-06-30 | 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 |
| Value | 0.106 | 4.239 | 4.617 | 7.704 | 18 | 25 | 36 | 35 | 33 | 25 | 18 | 7.87 | 8.505 | 8.083 | 0.452 |
| Percentage of DerivativeAssets | 0.5 | 56.7 | 53.2 | 72.5 | 86.2 | 85.8 | 96.3 | 94.3 | 96.3 | 97.4 | 93.5 | 80.5 | 78.0 | 71.9 | 12.5 |
| 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 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2014-12-31 |
| Value | 21 | 34 | 12 | 8.473 | 7.006 | 8.074 | 7.477 | 8.685 | 10 | 20 | 29 | 38 | 37 | 34 | 25 | 19 | 10 | 11 | 3.625 | 3.377 | 3.508 | 7.087 | 6.083 | 4.618 |
| Percentage of DerivativeAssets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 97.6 | 97.9 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| Value | 8273000.0 | 9513000.0 | 7420000.0 | 7405000.0 | 6956000.0 | 8074000.0 | 544000.0 | 4106000.0 | 73000.0 | 6349000.0 | 2069000.0 | 0 | 0 | 0 | 0 | 0 | 185000.0 | 996000.0 | 716000.0 | 1607000.0 | 1544000.0 | 1430000.0 | 1468000.0 |
| Percentage of DerivativeCollateralObligationToReturnSecurities | 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 | 0.0 | 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 | 8273000.0 | 9513000.0 | 7420000.0 | 7405000.0 | 6956000.0 | 8074000.0 | 544000.0 | 4106000.0 | 73000.0 | 6349000.0 | 2069000.0 | 0 | 0 | 0 | 0 | 0 | 185000.0 | 996000.0 | 716000.0 | 1607000.0 | 1544000.0 | 1430000.0 | 1468000.0 |
| Percentage of DerivativeCollateralRightToReclaimSecurities | 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 | 0.0 | 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 | 2014-12-31 |
| Value | 21 | 34 | 12 | 8.473 | 7.006 | 8.074 | 7.477 | 8.684 | 10 | 20 | 29 | 38 | 37 | 34 | 25 | 20 | 9.777 | 10 | 11 | 3.625 | 3.377 | 3.508 | 7.087 | 4.618 |
| Percentage of DerivativeFairValueOfDerivativeAsset | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 2019-12-31 |
| Value | 13 | 24 | 5.382 | 1.068 | 6.933 |
| Percentage of DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral | 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 | 23 | 25 | 37 | 40 | 43 | 38 | 0.626 | 7.478 | 0.073 | 11 | 4.529 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.185 | 0.996 | 0.716 | 1.724 | 1.896 | 1.989 | 1.468 |
| Percentage of DerivativeFairValueOfDerivativeLiability | 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 | 0.0 | 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 | 2019-12-31 |
| Value | 15 | 16 | 29 | 32 | 0.082 |
| Percentage of DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2019-09-09 | 2016-08-10 | 2015-06-10 |
| Value | 1.1 | 1.1 | 0.93 | 0.0093 | 0.0141 |
| Percentage of DerivativeFixedInterestRate | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2019-09-09 | 2016-08-10 |
| Value | 1.37 | 1.37 | 1.24 | 0.009 |
| Percentage of DerivativeFixedInterestRate | 124.5 | 124.5 | 133.3 | 96.8 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 |
| Value | 100000.0 | 100000.0 | 100000.0 | 300000.0 |
| Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue | 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 |
| Value | 23 | 25 | 37 | 40 | 43 | 38 | 0.626 | 7.478 | 0.073 | 11 | 4.529 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.185 | 0.996 | 0.716 | 1.724 | 1.896 | 1.989 | 1.468 | 1.542 | 1.301 |
| Percentage of DerivativeLiabilities | 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 | 0.0 | 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 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2014-12-31 |
| Value | 100 | 99 | 98 | 93 | 91 | 88 | 96 | 94 | 95 | 93 | 91 | 96 | 95 | 96 | 99 | 100 | 93 | 93 | 95 | 96 | 96 | 64 | 67 | 72 | 0.0 |
| Percentage of DerivativeLiabilities | 424.3 | 383.2 | 265.0 | 233.0 | 209.7 | 229.7 | 15339.5 | 1262.4 | 130805.5 | 785.0 | 2024.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 9415.2 | 12988.8 | 5516.9 | 5088.3 | 4846.1 | 4420.3 | 4352.3 | 5599.2 | 0.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2018-12-31 |
| Value | 0.82 | 0.902 | 3.172 | 2.525 | 0.132 | 0.844 | 0.073 | 0.0 |
| Percentage of DerivativeLiabilities | 2.2 | 2.2 | 7.3 | 6.6 | 21.1 | 11.3 | 100.0 | 0.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2018-12-31 |
| Value | 10 | 10 | 31 | 27 | 0.494 | 6.267 | 0.0 | 4.529 |
| Percentage of DerivativeLiabilities | 29.0 | 26.8 | 73.0 | 70.4 | 78.9 | 83.8 | 0.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 1.174 | 1.398 | 1.626 |
| Percentage of DerivativeLiabilities | 4.9 | 5.4 | 4.4 |
| 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 | 2019-03-31 | 2018-12-31 | 2017-12-31 | 2017-09-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2014-12-31 |
| Value | 22 | 24 | 23 | 28 | 8.63 | 8.831 | 0.494 | 0.367 | 11 | 4.529 | 0.0 | 0.0 | 0.747 | 0.716 | 1.724 | 1.896 | 1.989 | 1.468 | 1.542 | 1.137 | 0.0 |
| Percentage of DerivativeLiabilities | 95.1 | 94.6 | 64.4 | 71.0 | 19.8 | 23.0 | 78.9 | 4.9 | 100.0 | 100.0 | 0.0 | 0.0 | 75.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 87.4 | 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 |
| Value | 15 | 16 | 30 | 34 | 37 | 31 | 0.1 | 3.6 | 0.016 | 5.3 | 2.5 |
| Percentage of DerivativeLiabilities | 66.5 | 65.2 | 82.4 | 85.5 | 86.5 | 81.0 | 16.0 | 48.1 | 21.9 | 44.4 | 55.2 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 |
| Value | 0.82 | 0.902 | 3.172 | 2.525 | 0.132 | 0.844 |
| Percentage of DerivativeLiabilities | 2.2 | 2.2 | 7.3 | 6.6 | 21.1 | 11.3 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 |
| Value | 10 | 10 | 31 | 27 | 0.494 | 6.267 | 0.073 |
| Percentage of DerivativeLiabilities | 29.0 | 26.8 | 73.0 | 70.4 | 78.9 | 83.8 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 1.174 | 1.398 | 1.626 |
| Percentage of DerivativeLiabilities | 4.9 | 5.4 | 4.4 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2018-12-31 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 |
| Value | 22 | 24 | 23 | 28 | 8.63 | 8.831 | 0.367 | 4.529 | 0.747 | 0.716 | 1.724 | 1.896 | 1.989 | 1.468 | 1.542 | 1.137 |
| Percentage of DerivativeLiabilities | 95.1 | 94.6 | 64.4 | 71.0 | 19.8 | 23.0 | 4.9 | 100.0 | 75.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 87.4 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 |
| Value | 0.82 | 0.902 | 3.172 | 2.525 | 0.132 | 0.844 |
| Percentage of DerivativeLiabilities | 2.2 | 2.2 | 7.3 | 6.6 | 21.1 | 11.3 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 |
| Value | 10 | 10 | 31 | 27 | 0.494 | 6.267 | 0.073 |
| Percentage of DerivativeLiabilities | 29.0 | 26.8 | 73.0 | 70.4 | 78.9 | 83.8 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 1.174 | 1.398 | 1.626 |
| Percentage of DerivativeLiabilities | 4.9 | 5.4 | 4.4 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-03-31 | 2018-12-31 | 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 | 22 | 24 | 23 | 28 | 8.63 | 8.831 | 0.367 | 11 | 4.529 | 0.185 | 0.747 | 0.716 | 1.724 | 1.896 | 1.989 | 1.468 | 1.542 | 1.137 |
| Percentage of DerivativeLiabilities | 95.1 | 94.6 | 64.4 | 71.0 | 19.8 | 23.0 | 4.9 | 100.0 | 100.0 | 100.0 | 75.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 87.4 |
| 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 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2014-12-31 |
| Value | 124 | 125 | 135 | 133 | 135 | 126 | 96 | 101 | 95 | 105 | 96 | 96 | 95 | 96 | 99 | 100 | 94 | 93 | 96 | 98 | 98 | 66 | 68 | 74 | 0.0 |
| Percentage of DerivativeLiabilities | 524.3 | 483.2 | 365.0 | 333.0 | 309.7 | 329.7 | 15439.5 | 1362.4 | 130905.5 | 885.0 | 2124.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 9490.2 | 13088.8 | 5616.9 | 5188.3 | 4946.1 | 4520.3 | 4452.3 | 5699.2 | 0.0 |
| Period End | 2023-01-31 |
| Value | 600 |
| Percentage of DerivativeNotionalAmount | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2018-12-31 |
| Value | 1340 | 1740 | 1740 | 125 | 1490 | 1490 | 1045 |
| Percentage of DerivativeNotionalAmount | 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 | 2018-12-31 |
| Value | 53 | 53 | 54 | 54 | 54 | 54 | 55 |
| Percentage of DerivativeNotionalAmount | 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 | 2018-12-31 |
| Value | 3.061 | 2.738 | 1.999 | 1.811 | 1.624 | 1.359 | 0.899 |
| Percentage of DerivativeNotionalAmount | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2023-01-31 |
| Value | 600 |
| Percentage of DerivativeNotionalAmount | 100.0 |
| Period End | 2023-01-31 |
| Value | 845 |
| Percentage of DerivativeNotionalAmount | 140.8 |
| Period End | 2020-09-30 |
| Value | 3300000.0 |
| Percentage of DirectFinancingLeaseDeferredSellingProfit | 100.0 |
| Period End | 2020-09-30 |
| Value | 2800000.0 |
| Percentage of DirectFinancingLeaseLeaseReceivable | 100.0 |
| Period End | 2020-09-30 |
| Value | 24 |
| Percentage of DirectFinancingLeaseNetInvestmentInLease | 100.0 |
| Period End | 2020-09-30 |
| Value | 200000.0 |
| Percentage of DirectFinancingLeaseNetInvestmentInLeaseAllowanceForCreditLoss | 100.0 |
| Period End | 2020-09-30 |
| Value | 24 |
| Percentage of DirectFinancingLeaseUnguaranteedResidualAsset | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 |
| Value | 50 | 41 | 24 | 6.8 |
| Percentage of DisposalGroupIncludingDiscontinuedOperationConsideration | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 11 | 5.3 |
| Percentage of DisposalGroupIncludingDiscontinuedOperationConsideration | 0.0 | 0.0 |
| Period End | 2020-11-05 |
| Value | 9.0 |
| Percentage of DisposalGroupIncludingDiscontinuedOperationConsideration | 0.0 |
| Period End | 2021-08-04 |
| Value | 4.0 |
| Percentage of DisposalGroupIncludingDiscontinuedOperationConsideration | 0.0 |
| Period End | 2020-12-31 |
| Value | 20 |
| Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized | 100.0 |
| Period End | 2021-06-30 |
| Value | 51.0 |
| Percentage of EquityMethodInvestmentOwnershipPercentage | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2018-01-02 |
| Value | 49.0 | 49.0 | 49.0 | 49.0 | 0.49 | 0.49 | 0.49 |
| Percentage of EquityMethodInvestmentOwnershipPercentage | 96.1 | 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 |
| Value | 113 | 283 | 288 | 293 | 295 | 311 | 319 | 324 | 328 | 335 | 340 | 344 | 348 | 354 | 0.0 |
| 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 | 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 |
| Value | 114 | 283 | 288 | 293 | 295 | 311 | 319 | 324 | 328 | 335 | 340 | 344 | 349 | 354 |
| 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 |
| Value | 4269000.0 | 4358000.0 | 2458000.0 | 1287000.0 | 1375000.0 | 1225000.0 | 564000.0 |
| Percentage of FinancingReceivableAllowanceForCreditLosses | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 |
| Value | 2500000.0 | 600000.0 |
| Percentage of FinancingReceivableAllowanceForCreditLosses | 101.7 | 106.4 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 |
| Value | 36 | 37 | 30 | 13 | 5.167 |
| Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization | 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 | 21 | 28 | 35 | 43 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 37 | 45 | 50 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive | 170.8 | 162.0 | 144.4 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 |
| Value | 8.012 | 12 | 13 | 13 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 10 | 14 | 21 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths | 128.3 | 115.7 | 155.1 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 |
| Value | 6.228 | 7.168 | 7.269 | 7.227 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 8.012 | 9.061 | 11 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive | 128.6 | 126.4 | 155.7 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 |
| Value | 7.168 | 7.269 | 7.269 | 8.119 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 8.48 | 9.702 | 14 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour | 118.3 | 133.5 | 198.5 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 |
| Value | 7.269 | 7.269 | 8.012 | 12 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 8.895 | 11 | 15 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree | 122.4 | 157.4 | 191.7 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 |
| Value | 7.269 | 8.012 | 12 | 13 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 9.936 | 11 | 17 |
| Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo | 136.7 | 147.1 | 145.8 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 |
| Value | 119 | 139 | 161 | 180 | 31 |
| Percentage of FiniteLivedIntangibleAssetsGross | 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 | 60 | 65 | 73 | 76 | 23 | 24 | 17 | 8.884 | 6.688 | 3.166 |
| Percentage of FiniteLivedIntangibleAssetsGross | 50.6 | 46.8 | 45.3 | 42.4 | 76.4 | 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 | 2011-12-31 |
| Value | 23 | 23 | 26 | 27 | 7.43 | 7.269 | 5.341 | 1.9 | 1.551 | 0.564 |
| Percentage of FiniteLivedIntangibleAssetsGross | 19.5 | 16.6 | 16.6 | 15.2 | 23.6 | 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 |
| Value | 35 | 51 | 61 | 76 | 0.0 |
| Percentage of FiniteLivedIntangibleAssetsGross | 29.9 | 36.6 | 38.0 | 42.4 | 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 | 2011-12-31 |
| Value | 255 | 252 | 249 | 243 | 242 | 241 | 239 | 235 | 233 | 221 | 237 | 239 | 236 | 240 | 232 | 234 | 86 | 85 | 85 | 85 | 82 | 82 | 97 | 97 | 95 | 82 | 82 | 80 | 57 | 57 | 50 | 43 | 43 | 43 | 43 | 46 | 46 | 44 |
| 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 |
| 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 | 2011-12-31 |
| Value | 16 | 17 | 16 | 18 | 15 | 18 | 16 | 15 | 14 | 15 | 24 | 15 | 24 | 15 | 24 | 15 | 13 | 9.6 | 13 | 9.6 | 13 | 9.5 | 13 | 9.0 | 13 | 9.0 | 13 | 7.9 | 9.7 | 7.7 | 4.7 | 11 | 4.5 | 11 | 5.4 | 11 | 3.7 | 4.0 |
| Percentage of InterestPayableCurrentAndNoncurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| Value | 113 | 109 | 109 | 108 |
| Percentage of InvestmentOwnedBalancePrincipalAmount | 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 | 2011-12-31 |
| Value | 2.94 | 2.893 | 2.22 | 1.917 | 1.703 | 1.535 | 1.534 | 1.415 | 1.398 | 1.317 | 1.254 | 2.156 | 1.971 | 3.507 | 3.456 | 3.563 | 3.48 | 3.475 | 3.744 | 3.888 | 3.888 | 3.811 | 10 | 3.646 | 3.646 | 3.646 | 3.646 | 4.392 | 4.393 | 4.392 | 4.392 | 4.535 | 4.535 | 4.535 | 4.535 | 4.64 | 4.64 | 4.64 |
| Percentage of LandImprovements | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| Value | 3427 | 3531 | 3631 | 3678 |
| Percentage of LessorOperatingLeasePaymentsToBeReceived | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 |
| Value | 399 |
| Percentage of LessorOperatingLeasePaymentsToBeReceivedFiveYears | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 |
| Value | 400 | 399 | 409 | 402 |
| Percentage of LessorOperatingLeasePaymentsToBeReceivedFourYears | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 |
| Value | 417 | 417 | 434 | 431 |
| Percentage of LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 |
| Value | 217 | 325 | 106 |
| Percentage of LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 |
| Value | 1561 |
| Percentage of LessorOperatingLeasePaymentsToBeReceivedThereafter | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 |
| Value | 408 | 408 | 408 | 402 |
| Percentage of LessorOperatingLeasePaymentsToBeReceivedThreeYears | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 |
| Value | 407 | 407 | 418 | 412 |
| Percentage of LessorOperatingLeasePaymentsToBeReceivedTwoYears | 100.0 | 100.0 | 100.0 | 100.0 |
| 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 | 2013-12-31 | 2012-06-30 | 2011-12-31 |
| Value | 56 | 73 | 101 | 0.0 | 200 | 275 | 620 | 624 | 619 | 676 | 611 | 641 | 251 | 32 | 17 | 26 | 0.0 | 0.0 | 198 | 255 | 204 | 122 | 26 | 68 | 135 | 42 | 0.0 |
| Percentage of LineOfCredit | 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 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 |
| Value | 56 | 73 | 101 | 0.0 | 200 |
| Percentage of LineOfCredit | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 |
| Value | 1000 | 1000 | 1000 | 944 |
| Percentage of LineOfCreditFacilityCapacityAvailableForTradePurchases | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 |
| Value | 1.2 | 1.21 | 1.25 |
| Percentage of LineOfCreditFacilityInterestRateAtPeriodEnd | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 |
| Value | 1.71 |
| Percentage of LineOfCreditFacilityInterestRateAtPeriodEnd | 0.0 |
| Period End | 2020-12-31 |
| Value | 1.39 |
| Percentage of LineOfCreditFacilityInterestRateAtPeriodEnd | 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 | 2013-12-31 |
| Value | 939 | 954 | 1044 | 1039 | 1037 | 1033 | 1040 | 1182 | 1189 | 1187 | 1184 | 1189 | 1187 | 1188 | 1190 | 1190 | 339 | 336 | 335 | 337 | 338 | 338 | 264 | 267 | 272 | 200 | 200 | 0.0 |
| Percentage of LoansPayableToBank | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 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 | 2014-09-30 | 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 | 56 | 57 | 60 | 56 | 56 | 53 | 59 | 61 | 63 | 66 | 65 | 66 | 58 | 52 | 65 | 97 | 48 | 50 | 51 | 55 | 83 | 279 | 274 | 264 | 259 | 241 | 237 | 209 | 193 | 176 | 40 | 37 | 25 | 12 | 22 | 21 |
| Percentage of LoansReceivableFairValueDisclosure | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 2012-12-31 |
| Value | 55 | 56 | 58 | 61 | 62 | 62 | 63 | 63 | 66 | 65 | 69 | 63 | 55 | 50 | 65 | 97 | 52 | 54 | 53 | 54 | 85 | 272 | 270 | 259 | 255 | 241 | 235 | 238 | 210 | 191 | 177 | 39 | 37 | 12 |
| Percentage of LoansReceivableFairValueDisclosure | 98.3 | 98.8 | 97.5 | 107.2 | 110.6 | 115.6 | 105.4 | 104.6 | 104.5 | 99.5 | 105.6 | 95.2 | 95.3 | 96.4 | 100.0 | 99.8 | 106.7 | 108.1 | 103.2 | 98.4 | 101.9 | 97.5 | 98.4 | 98.3 | 98.5 | 99.7 | 0.0 | 100.6 | 100.8 | 99.2 | 100.3 | 96.3 | 99.6 | 93.7 |
| 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 | 2013-12-31 |
| Value | 56 | 57 | 60 | 56 | 56 | 53 | 59 | 61 | 63 | 66 | 65 | 66 | 58 | 52 | 65 | 97 | 48 | 50 | 51 | 55 | 83 | 279 | 274 | 264 | 259 | 241 | 234 | 237 | 209 | 176 |
| Percentage of LoansReceivableFairValueDisclosure | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| 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 | 56 | 57 | 60 | 56 | 56 | 53 | 59 | 61 | 63 | 66 | 65 | 66 | 58 | 52 | 65 | 97 | 48 | 50 | 51 | 55 | 83 | 279 | 274 | 264 | 259 | 241 | 234 |
| Percentage of LoansReceivableFairValueDisclosure | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 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 | 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 |
| Value | 1001 | 1020 | 1032 | 1580 | 985 | 685 | 685 | 922 | 922 | 922 | 922 | 1927 | 326 | 326 | 326 | 1186 | 1198 | 1198 | 855 | 917 | 898 | 808 | 808 | 662 | 662 | 638 | 246 | 459 | 459 | 378 | 378 | 384 | 284 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| Value | 51 | 70 | 82 | 85 | 85 | 85 | 85 | 122 | 122 | 122 | 122 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive | 5.2 | 6.9 | 8.0 | 5.4 | 8.7 | 12.5 | 12.5 | 13.3 | 13.3 | 13.3 | 13.3 |
| 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 | 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 |
| Value | 950 | 950 | 950 | 900 | 900 | 600 | 600 | 800 | 800 | 800 | 800 | 800 | 200 | 200 | 200 | 700 | 700 | 700 | 700 | 700 | 700 | 700 | 700 | 550 | 550 | 550 | 200 | 411 | 411 | 325 | 325 | 325 | 225 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive | 94.8 | 93.1 | 92.0 | 57.0 | 91.3 | 87.5 | 87.5 | 86.7 | 86.7 | 86.7 | 86.7 | 41.5 | 61.2 | 61.2 | 61.2 | 59.0 | 58.4 | 58.4 | 81.8 | 76.3 | 77.9 | 86.6 | 86.5 | 83.1 | 83.1 | 86.2 | 81.2 | 89.5 | 89.5 | 85.9 | 85.9 | 84.5 | 79.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Value | 2.412 | 14 | 18 | 17 | 17 | 3.568 | 3.421 | 4.301 | 4.128 | 4.136 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths | 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 | 2020-06-30 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Value | 12 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths | 83.3 | 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 | 2019-12-31 | 2018-12-31 | 2017-12-31 |
| Value | 2.412 | 2.412 | 18 | 17 | 17 | 3.568 | 3.421 | 4.301 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths | 100.0 | 16.7 | 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 | 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 |
| Value | 2.615 | 891 | 899 | 753 | 203 | 203 | 203 | 1001 | 999 | 1001 | 1003 | 771 | 861 | 858 | 857 | 4.568 | 4.771 | 202 | 69 | 4.409 | 3.849 | 3.284 | 3.218 | 617 | 3.114 | 2.717 | 212 | 1.688 | 1.688 | 2.23 | 2.23 | 2.065 | 1.92 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| Value | 2.615 | 2.983 | 3.396 | 3.282 | 3.282 | 3.282 | 3.282 | 4.285 | 4.285 | 4.285 | 4.285 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive | 100.0 | 0.3 | 0.4 | 0.4 | 1.6 | 1.6 | 1.6 | 0.4 | 0.4 | 0.4 | 0.4 |
| 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 |
| Value | 2.615 | 2.615 | 900 | 896 | 894 | 453 | 353 | 253 | 998 | 996 | 994 | 1139 | 1195 | 1131 | 1161 | 204 | 36 | 21 | 30 | 4.42 | 4.612 | 4.612 | 4.577 | 408 | 325 | 229 | 271 | 3.013 | 3.013 | 2.634 | 1.688 | 1.647 | 1.647 | 2.138 | 2.138 | 86 | 128 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| Value | 598 | 593 | 591 | 350 | 350 | 250 | 995 | 993 | 991 | 0.0 | 0.0 | 0.0 | 0.0 | 200 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 200 | 200 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour | 66.4 | 66.2 | 66.1 | 77.1 | 99.1 | 98.7 | 99.7 | 99.7 | 99.7 | 0.0 | 0.0 | 0.0 | 0.0 | 97.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 49.0 | 61.4 |
| 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 |
| Value | 2.615 | 2.615 | 2.545 | 2.545 | 2.983 | 2.898 | 3.296 | 3.185 | 3.185 | 3.185 | 3.185 | 20 | 19 | 20 | 20 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour | 100.0 | 100.0 | 0.3 | 0.3 | 0.3 | 0.6 | 0.9 | 1.3 | 0.3 | 0.3 | 0.3 | 1.8 | 1.7 | 1.8 | 1.8 |
| 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 | 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 | 300 | 300 | 300 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 500 | 500 | 500 | 500 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 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 LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour | 33.3 | 33.5 | 33.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 43.9 | 41.8 | 44.2 | 43.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 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 |
| Value | 903 | 901 | 352 | 408 | 425 | 107 | 108 | 18 | 293 | 1138 | 1142 | 204 | 204 | 204 | 204 | 102 | 4.426 | 4.412 | 4.408 | 4.277 | 4.459 | 4.458 | 459 | 4.129 | 3.608 | 3.083 | 3.013 | 2.917 | 2.917 | 164 | 137 | 86 | 86 | 86 | 179 | 4.058 | 3.902 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-09-30 | 2014-03-31 | 2013-12-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 |
| Value | 56 | 73 | 0.0 | 0.0 | 275 | 620 | 624 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 255 | 0.0 | 0.0 | 0.0 | 0.0 | 162 | 135 | 92 | 0.0 | 0.0 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree | 13.7 | 17.1 | 0.0 | 0.0 | 93.6 | 54.5 | 54.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 55.5 | 0.0 | 0.0 | 0.0 | 0.0 | 98.4 | 98.8 | 51.7 | 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 |
| Value | 600 | 599 | 350 | 350 | 350 | 105 | 105 | 0.0 | 0.0 | 0.0 | 0.0 | 200 | 200 | 200 | 200 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 200 | 0.0 | 0.0 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree | 66.5 | 66.5 | 99.3 | 85.7 | 82.2 | 97.4 | 97.0 | 0.0 | 0.0 | 0.0 | 0.0 | 97.8 | 97.8 | 97.8 | 97.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 43.5 | 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 |
| Value | 2.545 | 2.545 | 2.478 | 2.478 | 2.898 | 2.816 | 3.198 | 18 | 18 | 18 | 18 | 4.578 | 4.568 | 4.578 | 4.594 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree | 0.3 | 0.3 | 0.7 | 0.6 | 0.7 | 2.6 | 3.0 | 100.0 | 6.4 | 1.6 | 1.6 | 2.2 | 2.2 | 2.2 | 2.2 |
| 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 |
| Value | 300 | 300 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 500 | 500 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 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 LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree | 33.2 | 33.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 43.9 | 43.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 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 |
| Value | 347 | 352 | 107 | 107 | 107 | 17 | 18 | 3.545 | 203 | 203 | 203 | 102 | 102 | 102 | 102 | 4.304 | 4.283 | 4.27 | 4.265 | 4.139 | 4.311 | 4.31 | 4.278 | 3.996 | 3.494 | 2.987 | 2.917 | 2.823 | 2.823 | 31 | 86 | 3.739 | 3.739 | 4.146 | 4.146 | 3.851 | 3.69 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| Value | 345 | 350 | 105 | 105 | 105 | 0.0 | 0.0 | 0.0 | 200 | 200 | 200 | 0.0 | 0.0 | 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 LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo | 99.3 | 99.3 | 97.8 | 97.8 | 97.4 | 0.0 | 0.0 | 0.0 | 98.3 | 98.3 | 98.3 | 0.0 | 0.0 | 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 |
| Value | 2.478 | 2.478 | 2.412 | 2.412 | 2.816 | 17 | 18 | 3.545 | 3.552 | 3.541 | 3.53 | 102 | 102 | 102 | 102 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo | 0.7 | 0.7 | 2.2 | 2.2 | 2.6 | 100.0 | 100.0 | 100.0 | 1.7 | 1.7 | 1.7 | 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 | 2014-12-31 | 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 | 17 | 17 | 0.655 | 1.607 | 2.387 | 0.869 | 1.735 | 2.584 | 1.085 | 2.156 | 3.228 | 1.054 | 2.09 | 3.111 | 1.013 | 2.101 | 3.139 | 0.935 | 1.705 | 2.102 | 2.823 | 0.691 | 1.377 | 2.416 | 3.739 | 0.912 | 1.8 | 2.957 | 3.946 | 0.936 | 1.701 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| Value | 17 | 17 | 0.655 | 1.607 | 2.387 | 0.869 | 1.735 | 2.584 | 1.085 | 2.156 | 3.228 |
| Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear | 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 | 79 | 79 | 80 | 80 | 98 | 98 | 114 | 115 | 116 | 116 | 117 | 160 |
| 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 |
| 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 | 22 | 21 | 23 | 16 | 39 | 241 | 209 | 162 | 11 | 0.0 |
| Percentage of MortgageLoansOnRealEstate | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 3.352 | 2.487 | 1.078 |
| Percentage of MortgageLoansOnRealEstate | 15.0 | 11.6 | 4.6 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 19 | 19 | 18 |
| Percentage of MortgageLoansOnRealEstate | 85.0 | 88.4 | 80.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 |
| Value | 60 | 60 | 61 | 62 | 63 | 63 | 63 |
| Percentage of NotesReceivableGross | 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 |
| Value | 3.349 | 3.35 | 3.352 | 3.353 | 3.294 | 2.537 | 2.487 |
| Percentage of NotesReceivableGross | 5.6 | 5.5 | 5.5 | 5.4 | 5.2 | 4.0 | 3.9 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 |
| Value | 37 | 38 | 39 | 40 | 41 | 42 | 42 |
| Percentage of NotesReceivableGross | 62.9 | 63.2 | 63.6 | 64.2 | 65.0 | 66.1 | 66.2 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 |
| Value | 0.5 | 0.6 | 0.6 | 0.7 | 0.8 |
| Percentage of NotesReceivableGross | 0.8 | 1.0 | 0.9 | 1.1 | 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 |
| Value | 55 | 56 | 58 | 61 | 62 | 62 | 63 |
| Percentage of NotesReceivableNet | 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 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2018-12-31 |
| Value | 0.3 | 0.4 | 0.5 | 0.8 | 1.2 | 1.5 | 4.2 |
| Percentage of NotesReceivableNet | 0.5 | 0.7 | 0.8 | 1.3 | 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 | 2011-12-31 | 2010-12-31 | 2010-11-15 |
| Value | 681 | 539 | 402 | 340 | 282 | 237 | 185 | 151 | 129 | 107 | 87 | 84 |
| 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 | 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 | 5371 | 5283 | 5626 | 5685 | 2072 | 2055 | 1638 | 934 | 830 |
| 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 | 594 | 597 | 629 | 649 | 220 | 221 | 193 | 131 | 126 |
| 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 | 121 | 84 | 61 | 35 | 7.49 | 7.072 | 3.384 | 1.913 | 1.149 |
| Percentage of RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts | 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 | 5258 | 5225 | 5578 | 5674 | 2102 | 2082 | 1664 | 957 | 823 |
| 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 | 595 | 599 | 629 | 648 | 220 | 221 | 193 | 131 | 126 |
| 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 | 2010-11-15 |
| Value | 5966 | 5880 | 6255 | 6334 | 2292 | 2277 | 1831 | 1066 | 956 | 760 | 564 | 564 |
| 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 | 100.0 |
| Period End | 2020-09-30 |
| Value | 8.9 |
| Percentage of RealEstateHeldforsale | 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 | 2010-11-14 |
| Value | 763 | 723 | 681 | 640 | 611 | 569 | 539 | 502 | 464 | 425 | 402 | 419 | 377 | 377 | 340 | 336 | 314 | 297 | 282 | 272 | 258 | 242 | 237 | 226 | 213 | 199 | 185 | 179 | 169 | 160 | 151 | 153 | 145 | 137 | 129 | 131 | 123 | 0.116166 | 0.108916 | 0.107887 | 0.101067 | 0.088701 | 85 |
| 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 | 2018-12-31 | 2017-12-31 | 2016-12-31 |
| Value | 0.44 | 0.422 | 0.404 | 0.402 | 0.384 | 0.367 | 0.353 | 0.317 | 0.269 | 0.256 |
| Percentage of RealEstateInvestmentPropertyAccumulatedDepreciation | 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 | 2018-12-31 | 2017-12-31 | 2016-12-31 |
| Value | 763 | 723 | 681 | 639 | 611 | 569 | 538 | 402 | 340 | 282 |
| Percentage of RealEstateInvestmentPropertyAccumulatedDepreciation | 99.9 | 99.9 | 99.9 | 99.9 | 99.9 | 99.9 | 99.9 | 99.9 | 99.9 | 99.9 |
| 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 | 2017-12-31 | 2016-12-31 |
| Value | 97 | 92 | 87 | 83 | 82 | 77 | 72 | 125 | 102 | 80 |
| Percentage of RealEstateInvestmentPropertyAccumulatedDepreciation | 12.7 | 12.8 | 12.9 | 13.0 | 13.5 | 13.5 | 13.4 | 31.3 | 30.1 | 28.4 |
| 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 | 158 | 150 | 142 | 134 | 126 | 118 | 112 | 19 |
| Percentage of RealEstateInvestmentPropertyAccumulatedDepreciation | 20.8 | 20.8 | 20.9 | 20.9 | 20.7 | 20.8 | 20.9 | 4.9 |
| 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 | 2017-12-31 | 2016-12-31 |
| Value | 431 | 409 | 385 | 360 | 347 | 322 | 306 | 224 | 209 | 190 |
| Percentage of RealEstateInvestmentPropertyAccumulatedDepreciation | 56.6 | 56.6 | 56.5 | 56.3 | 56.8 | 56.6 | 56.9 | 55.9 | 61.4 | 67.2 |
| 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 | 2017-12-31 | 2016-12-31 |
| Value | 75 | 70 | 66 | 61 | 55 | 51 | 47 | 31 | 16 | 10 |
| Percentage of RealEstateInvestmentPropertyAccumulatedDepreciation | 9.8 | 9.7 | 9.7 | 9.7 | 9.0 | 9.0 | 8.7 | 7.9 | 4.9 | 3.7 |
| 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 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2011-12-31 |
| Value | 6033 | 6003 | 5966 | 5946 | 5969 | 5932 | 5880 | 5847 | 5843 | 5863 | 6255 | 6394 | 6370 | 6485 | 6334 | 6309 | 2310 | 2290 | 2292 | 2272 | 2166 | 2166 | 2277 | 2201 | 2147 | 1832 | 1831 | 1747 | 1206 | 1181 | 1066 | 963 | 962 | 956 | 956 | 864 | 822 | 767 |
| 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 |
| 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 | 2017-12-31 | 2016-12-31 |
| Value | 0.817 | 0.811 | 0.802 | 0.817 | 0.796 | 0.779 | 0.737 | 0.634 | 0.593 | 0.406 |
| Percentage of RealEstateInvestmentPropertyAtCost | 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 | 2018-12-31 | 2017-12-31 | 2016-12-31 |
| Value | 6032 | 6002 | 5965 | 5945 | 5969 | 5932 | 5879 | 6255 | 6334 | 2292 |
| Percentage of RealEstateInvestmentPropertyAtCost | 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 | 2017-12-31 | 2016-12-31 |
| Value | 705 | 708 | 707 | 707 | 725 | 693 | 630 | 1237 | 1166 | 1153 |
| Percentage of RealEstateInvestmentPropertyAtCost | 11.7 | 11.8 | 11.9 | 11.9 | 12.2 | 11.7 | 10.7 | 19.8 | 18.4 | 50.3 |
| 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 | 1008 | 971 | 942 | 931 | 926 | 920 | 907 | 301 |
| Percentage of RealEstateInvestmentPropertyAtCost | 16.7 | 16.2 | 15.8 | 15.7 | 15.5 | 15.5 | 15.4 | 4.8 |
| 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 | 2017-12-31 | 2016-12-31 |
| Value | 3631 | 3641 | 3644 | 3642 | 3673 | 3678 | 3701 | 4094 | 4364 | 1042 |
| Percentage of RealEstateInvestmentPropertyAtCost | 60.2 | 60.7 | 61.1 | 61.3 | 61.5 | 62.0 | 62.9 | 65.5 | 68.9 | 45.5 |
| 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 | 2017-12-31 | 2016-12-31 |
| Value | 687 | 680 | 670 | 663 | 642 | 640 | 639 | 621 | 614 | 61 |
| Percentage of RealEstateInvestmentPropertyAtCost | 11.4 | 11.3 | 11.2 | 11.2 | 10.8 | 10.8 | 10.9 | 9.9 | 9.7 | 2.7 |
| 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 | 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 | 2010-11-14 |
| Value | 5269 | 5279 | 5285 | 5306 | 5358 | 5363 | 5341 | 5344 | 5378 | 5437 | 5853 | 5975 | 5993 | 6108 | 5994 | 5972 | 1995 | 1993 | 2009 | 1999 | 1908 | 1923 | 2039 | 1974 | 1933 | 1632 | 1645 | 1568 | 1036 | 1021 | 915 | 809 | 817 | 819 | 827 | 733 | 698 | 680 | 658 | 649 | 542 | 482 | 485 |
| 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 | 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 | 2017-12-31 | 2016-12-31 |
| Value | 0.377 | 0.389 | 0.398 | 0.415 | 0.412 | 0.412 | 0.384 | 0.317 | 0.324 | 0.15 |
| Percentage of RealEstateInvestmentPropertyNet | 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 | 2018-12-31 | 2017-12-31 | 2016-12-31 |
| Value | 5269 | 5279 | 5284 | 5305 | 5358 | 5362 | 5340 | 5853 | 5994 | 2009 |
| Percentage of RealEstateInvestmentPropertyNet | 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 | 2017-12-31 | 2016-12-31 |
| Value | 607 | 615 | 620 | 624 | 643 | 616 | 558 | 1111 | 1064 | 1073 |
| Percentage of RealEstateInvestmentPropertyNet | 11.5 | 11.7 | 11.7 | 11.8 | 12.0 | 11.5 | 10.5 | 19.0 | 17.8 | 53.4 |
| 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 | 849 | 821 | 800 | 797 | 800 | 802 | 794 | 282 |
| Percentage of RealEstateInvestmentPropertyNet | 16.1 | 15.6 | 15.1 | 15.0 | 14.9 | 15.0 | 14.9 | 4.8 |
| 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 | 2017-12-31 | 2016-12-31 |
| Value | 3199 | 3232 | 3259 | 3281 | 3326 | 3355 | 3395 | 3869 | 4155 | 852 |
| Percentage of RealEstateInvestmentPropertyNet | 60.7 | 61.2 | 61.7 | 61.8 | 62.1 | 62.6 | 63.6 | 66.1 | 69.3 | 42.4 |
| 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 | 2017-12-31 | 2016-12-31 |
| Value | 612 | 610 | 604 | 602 | 587 | 588 | 592 | 589 | 597 | 51 |
| Percentage of RealEstateInvestmentPropertyNet | 11.6 | 11.6 | 11.4 | 11.3 | 11.0 | 11.0 | 11.1 | 10.1 | 10.0 | 2.5 |
| 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 | 2010-11-14 |
| Value | 4.588 | 4.609 | 6.447 | 6.815 | 8.555 | 8.375 | 10 | 10 | 9.879 | 9.766 | 9.4 | 103 | 186 | 11 | 68 | 12 | 9.413 | 9.151 | 9.002 | 9.15 | 8.979 | 8.773 | 9.813 | 8.239 | 7.093 | 6.948 | 7.024 | 6.537 | 6.125 | 6.364 | 5.352 | 6.809 | 5.737 | 5.278 | 4.589 | 5.197 | 7.076 | 6.664 | 6.093 | 6.286 | 5.524 | 4.716 | 5.527 |
| 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 | 100.0 | 100.0 | 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 |
| Value | 3.5 | 5.6 | 5.5 | 6.5 | 6.8 | 5.0 | 4.9 | 3.5 | 2.3 | 5.4 |
| Percentage of RestrictedCashAndCashEquivalents | 54.3 | 55.7 | 58.5 | 9.4 | 75.5 | 51.0 | 69.8 | 65.4 | 50.1 | 88.6 |
| Period End | 2020-12-31 |
| Value | 16.23 |
| Percentage of SaleOfStockPricePerShare | 100.0 |
| Period End | 2021-03-31 | 2020-12-31 |
| Value | 17.42 | 17.45 |
| Percentage of SaleOfStockPricePerShare | 0.0 | 107.5 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 |
| Value | 2400000.0 | 2400000.0 | 2300000.0 | 2300000.0 |
| Percentage of SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 |
| Value | 1200000.0 | 1800000.0 | 600000.0 |
| Percentage of SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedRemainderOfFiscalYear | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 |
| Value | 800000.0 |
| Percentage of SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 |
| Value | 800000.0 | 800000.0 | 2400000.0 | 100000.0 |
| Percentage of SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 4000000.0 | 4500000.0 | 2300000.0 |
| Percentage of SalesTypeLeaseLeaseReceivable | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 25 | 25 | 24 |
| Percentage of SalesTypeLeaseNetInvestmentInLease | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 300000.0 | 300000.0 | 100000.0 |
| Percentage of SalesTypeLeaseNetInvestmentInLeaseAllowanceForCreditLoss | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 25 | 25 | 24 |
| Percentage of SalesTypeLeaseUnguaranteedResidualAsset | 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 | 2010-11-14 |
| Value | 78 | 78 | 79 | 78 | 96 | 97 | 113 | 113 | 114 | 115 | 115 | 252 | 253 | 254 | 256 | 257 | 159 | 159 | 160 | 162 | 174 | 175 | 177 | 168 | 142 | 123 | 124 | 124 | 125 | 130 | 141 | 142 | 143 | 151 | 152 | 157 | 157 | 157 | 158 | 159 | 159 | 161 | 151 |
| Percentage of SecuredDebt | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 2012-12-31 | 2011-12-31 |
| Value | 11 | 12 | 17 | 11 | 11 | 10 | 10 | 7.9 | 10 | 12 | 12 | 14 | 17 | 22 | 20 | 35 | 2.0 | 2.0 | 2.7 | 2.1 | 1.6 | 1.4 | 1.3 | 1.2 | 0.4 | 0.4 | 0.4 | 15 | 0.5 | 1.7 | 1.6 | 2.4 | 2.0 | 1.1 | 0.7 |
| Percentage of SecurityDepositLiability | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 |
| Value | 17.88 | 18.9 | 17.88 | 19.71 | 21.58 | 21.37 | 23.26 | 16.48 | 17.64 | 17.13 |
| Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue | 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 | 2010-11-14 |
| Value | 1248 | 1248 | 1248 | 1248 | 1248 | 1248 | 1248 | 1106 | 1106 | 1307 | 1307 | 1307 | 1306 | 1306 | 1306 | 1305 | 689 | 688 | 688 | 687 | 686 | 686 | 699 | 699 | 699 | 699 | 699 | 550 | 550 | 550 | 414 | 414 | 414 | 330 | 330 | 330 | 225 | 225 | 225 | 225 | 225 | 225 | 225 |
| Percentage of UnsecuredDebt | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 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 | 2.586 | 0.564 | 40 | 17 | 10 | 13 | 0.6 |
| Percentage of ValuationAllowancesAndReservesBalance | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 |
| Value | 0.128 |
| Percentage of ValuationAllowancesAndReservesBalance | 4.9 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 |
| Value | 2.458 | 0.564 | 1.258 | 0.098 | 2.75 | 4.3 | 0.0 |
| Percentage of ValuationAllowancesAndReservesBalance | 95.1 | 100.0 | 3.1 | 0.5 | 27.2 | 32.0 | 0.0 |
