EQC


Line plots across dimensions of each concept
Line plots across concepts
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare
us-gaap:IncomeStatementLocation
us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CostsAndExpenses

us-gaap:GainsLossesOnExtinguishmentOfDebt
us-gaap:DebtInstrument

us-gaap:GeneralAndAdministrativeExpense

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestExpense

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:OperatingCostsAndExpenses

us-gaap:PreferredStockDividendsIncomeStatementImpact

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:Revenues

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:Land

us-gaap:OtherAssets

us-gaap:MinorityInterest

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:MinorityInterest

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DepreciationDepletionAndAmortization

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:RepaymentsOfLongTermDebt

us-gaap:Dividends
us-gaap:StatementEquityComponents

us-gaap:PaymentsForRepurchaseOfCommonStock

eqc:CashPaidForRealEstateImprovements
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:DisposalGroupClassification
eqc:GainLossOnSaleOfPropertiesReleaseOfEscrowDeposits

eqc:IncreaseDecreaseInRentsReceivableAndOtherAssets

eqc:NetIncomeLossAttributableToNoncontrollingInterestDiluted
us-gaap:StatementEquityComponents
eqc:NoncontrollingInterestIncreaseDecreaseFromAdjustments
us-gaap:Ownership
eqc:NoncontrollingInterestWeightedAverageOwnershipPercentageByParent

eqc:OperatingLeaseRightOfUseAssetAmortization

eqc:WeightedAverageNumberOfSharesRestrictedStockUnitsUnvested

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:CapitalExpendituresIncurredButNotYetPaid
us-gaap:UnusualOrInfrequentItem
us-gaap:ContractWithCustomerAssetReclassifiedToReceivable

us-gaap:CurrentStateAndLocalTaxExpenseBenefit

us-gaap:Depreciation

us-gaap:DistributedEarnings
us-gaap:DebtInstrument
us-gaap:ExtinguishmentOfDebtAmount
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:ExtinguishmentOfDebt

us-gaap:GainLossOnSaleOfProperties
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:DisposalGroupClassification
us-gaap:IncomeLossFromIndividuallySignificantComponentDisposedOfOrHeldForSaleExcludingDiscontinuedOperationsBeforeIncomeTax

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInDeferredLiabilities

us-gaap:IncrementalCommonSharesAttributableToConversionOfPreferredStock
us-gaap:AwardType
us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestAndOtherIncome

us-gaap:LeaseIncome

us-gaap:MinorityInterestDecreaseFromRedemptions
us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance
us-gaap:StatementEquityComponents
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeaseLeaseIncome

us-gaap:OperatingLeaseLeaseIncomeLeasePayments

us-gaap:OtherAmortizationOfDeferredCharges

us-gaap:PaymentsOfCapitalDistribution
us-gaap:SubsequentEventType

us-gaap:PaymentsOfDividendsMinorityInterest

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock
us-gaap:StatementScenario, us-gaap:SubsequentEventType
us-gaap:PreferredStockDividendsPerShareCashPaid
us-gaap:SubsequentEventType
us-gaap:PreferredStockDividendsPerShareDeclared

us-gaap:ProceedsFromMinorityShareholders

us-gaap:ProceedsFromSaleOfProductiveAssets

us-gaap:RealEstateImprovements

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
us-gaap:AwardType
us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock
us-gaap:StockRepurchasedAndRetiredDuringPeriodValue

us-gaap:StockRepurchasedDuringPeriodValue
us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock
us-gaap:StatementEquityComponents

us-gaap:StraightLineRent
us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock
us-gaap:TreasuryStockAcquiredAverageCostPerShare

us-gaap:VariableLeaseIncome

eqc:AccumulatedAmortizationofCapitalLeaseIncentivesPropertiesHeldandUsedinOperations
us-gaap:BusinessAcquisition
eqc:BusinessAcquisitionConversionBasis
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

eqc:CapitalLeaseIncentivesFutureAmortizationExpenseAfterYearFive

eqc:CapitalLeaseIncentivesFutureAmortizationExpenseYearFive

eqc:CapitalLeaseIncentivesFutureAmortizationExpenseYearFour

eqc:CapitalLeaseIncentivesFutureAmortizationExpenseYearOne

eqc:CapitalLeaseIncentivesFutureAmortizationExpenseYearThree

eqc:CapitalLeaseIncentivesFutureAmortizationExpenseYearTwo

eqc:CapitalLeaseIncentivesGrossPropertiesHeldandUsedinOperations

eqc:CapitalLeaseIncentivesNetPropertiesHeldandUsedinOperations
us-gaap:StatementClassOfStock
eqc:ConvertiblePreferredStockConversionRatio

eqc:CumulativeCommonStockDistributions

eqc:CumulativePreferredStockDistributions

eqc:DeferredChargesFutureAmortizationExpenseAfterYearFive

eqc:DeferredChargesFutureAmortizationExpenseYearFive

eqc:DeferredChargesFutureAmortizationExpenseYearFour

eqc:DeferredChargesFutureAmortizationExpenseYearOne

eqc:DeferredChargesFutureAmortizationExpenseYearThree

eqc:DeferredChargesFutureAmortizationExpenseYearTwo

eqc:OperatingLeasesCommittedExpendituresOnLeasesExecutedInPeriodCommittedButUnspentTenantRelatedObligations

eqc:SECScheduleIIIRealEstateandAccumulatedDepreciationCarryingAmountofImpairment

srt:RealEstateFederalIncomeTaxBasis

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:AccountsReceivableNet

us-gaap:AdvanceRent
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionCostOfAcquiredEntityTransactionCosts

us-gaap:DeferredCostsLeasingAccumulatedAmortization

us-gaap:DeferredCostsLeasingGross

us-gaap:DeferredCostsLeasingNet

us-gaap:DividendsPayableCurrentAndNoncurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:InvestmentBuildingAndBuildingImprovements
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LessorOperatingLeasePaymentsToBeReceived

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears
us-gaap:Ownership
us-gaap:MinorityInterestOwnershipPercentageByParent

us-gaap:OperatingLossCarryforwards

us-gaap:PreferredStockValue

us-gaap:RealEstateAccumulatedDepreciation

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfLand

us-gaap:RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfLand

us-gaap:RealEstateGrossAtCarryingValue

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation

us-gaap:RealEstateInvestmentPropertyAtCost

us-gaap:RealEstateInvestmentPropertyNet
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:StatementClassOfStock
us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

Plots across concepts


IncomeStatement
Comprehensive Income Net Of Tax
Expenses
Interest Expense
Balance Sheet
Liabilities
Assets
Other Assets
Current Assets
Cash And Cash Equivalents At Carrying Value
Liabilities
Dividends Payable Current And Noncurrent
Stockholders Equity
Common Stock Value
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Diluted Shares Outstanding
DividendsAndRepurchase
Payments For Repurchase Of Common Stock

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:CommonStockValue ▂▂▁▁▁▁▂▂▂▂▂▁▁▁████1.2191.2191.2151.2151.2151.2151.2191.2191.2191.2191.2161.2151.2151.2141.2421.2411.2411.24
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁122.189122.002NA121.673123.255126.605NA123.564125.862125.822NA122.851122.649127.097NA125.175124.067125.15
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁122.189122.002NA121.673121.655122.148NA122.14122.122121.96NA121.845121.822123.867NA124.089124.067124.047
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities eqc:LongTermIncentivePlanUnits▁█0.0650.149NA0.2060.1240.089NA0.0320.0320.042NA0.0450.0420.0NA0.00.126NA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities eqc:OperatingPartnershipUnits█▁0.2150.17NA0.1130.110.073NA0.0170.0140.004NA0.0010.0010.0NA0.00.0NA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:RestrictedStockUnitsRSU▁█0.4660.848NA1.525NANANANANANANANA0.0NANANA1.063NA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:SeriesDPreferredStock▄▄3.2373.237NA2.8572.857NANA2.5630.0NANA2.3632.3630.0NA2.3632.3632.363
us-gaap:IncomeLossFromContinuingOperationsPerBasicShare ▁▁▁▁▂█▂▂▅▅▂▂▂▄▁▂▁▂-3e-08-1.0000000000000001e-07-2.9999999999999805e-08-1e-082.1e-073.46e-061.1000000000000032e-071.8e-071.9699999999999998e-061.71e-061.200000000000001e-072.5e-072.9e-071.5e-06-1.8999999999999998e-072.5e-07-6e-081.8e-07
us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare ▁▁▁▁▂█▂▂▅▅▂▂▂▄▁▂▁▂-3e-08-1.0000000000000001e-07-2.9999999999999805e-08-1e-082.1e-073.35e-061.0999999999999987e-071.8e-071.9299999999999997e-061.6699999999999999e-061.0999999999999987e-072.5e-072.9e-071.48e-06-1.8999999999999998e-072.5e-07-6e-081.7000000000000001e-07
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation us-gaap:GeneralAndAdministrativeExpense▁█▂▂▂▂▂▂▂▃▃▅▅▅2.96.73.33.33.33.33.33.43.73.94.05.25.15.3NANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▁▁▁▁▂█▂▂▅▅▂▂▂▄▁▂▁▂-1.936-10.018-1.6660.36927.832424.75915.9923.886242.286210.8616.08133.22737.67187.49-24.32734.648-3.57223.02
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▁▁▁▁▂█▁▁▂▂▁▁▁▂▁▁▁▁-0.004-0.02-0.0040.0010.0540.7480.0060.010.0910.0790.0050.0130.0140.063-0.0080.012-0.0020.008
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▁▁▁▁▂█▂▂▅▅▂▂▂▄▁▂▁▂-1.94-10.038-1.670.3727.886425.50715.99623.896242.377210.93916.08633.2437.684187.553-24.33534.66-3.57423.028
us-gaap:CostsAndExpenses ▁▂▁▁▁▂▂▂▂▃▃▃▃▅▅▅█▇18.4126.70118.79218.77219.37724.47924.06824.38528.06836.46135.34242.44943.76463.92861.44565.20291.59481.366
us-gaap:GainsLossesOnExtinguishmentOfDebt NANA0.00.1310.0NA0.00.0-6.3740.0-0.7190.0-1.536-4.867-0.227-0.203-0.0630.0
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument us-gaap:MortgagesNANANA0.1NANANANANANANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense ▁█▁▁▂▄▂▂▃▅▂▄▄▆▅▅▅▅7.3915.7297.1367.1918.30210.6048.298.5239.53312.0968.97310.90511.22213.33912.03311.68911.9612.078
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ▁▁▁▁▂█▂▂▅▅▂▂▂▄▁▂▁▂-1.909-10.007-1.5920.44127.945425.54716.16123.375242.717211.89715.96232.84236.591190.669-21.62433.559-5.76623.997
us-gaap:IncomeTaxExpenseBenefit ▂▂▂▂▂▂▂▁▃▅▃▂▁█▂▃▂▂0.0310.0310.0780.0710.0590.040.165-0.5210.341.30.540.065-0.4563.007-0.0550.3350.0450.175
us-gaap:IncomeTaxesPaidNet █▁0.275-0.012NANA0.49-2.045NA0.071NANANA-0.042.419-0.002NA0.0010.3940.335
us-gaap:InterestExpense NANA0.00.0090.3020.3090.3110.3214.074.2065.0355.0856.3510.11510.79611.5114.86315.014
us-gaap:InterestPaidNet NANA0.00.1110.3660.3660.3680.3734.5777.7141.2188.1953.07314.6316.388NANANA
us-gaap:NetIncomeLoss ▁▁▁▁▂█▂▂▅▅▂▂▂▄▁▂▁▂-1.936-10.018-1.6660.36927.832424.75915.9923.886242.286210.51815.41732.76437.033187.599-21.56133.212-5.80923.814
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▁▁▁▁▂█▁▁▂▂▁▁▁▂▁▁▁▁-0.004-0.02-0.0040.0010.0540.7480.0060.010.0910.0790.0050.0130.0140.063-0.0080.012-0.0020.008
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▁▁▁▁▂█▂▂▅▅▂▂▂▄▁▂▁▂-3.933-12.015-3.663-1.62825.835422.76213.99321.889240.289208.52113.4230.76735.036185.602-23.55831.215-7.80621.817
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted ▁▁▁▁▂█▂▂▅▅▂▂▂▄▁▂▁▂-3.933-12.015-1.666-1.62825.835424.75915.9921.889242.286210.51813.4230.76735.036187.662-23.56631.227-7.80821.825
us-gaap:OperatingCostsAndExpenses ▁█6.5886.621NA6.4446.6778.761NA9.92310.97415.78NANANANANANANANA
us-gaap:PreferredStockDividendsIncomeStatementImpact ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄1.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.997
us-gaap:ProfitLoss ▁▁▁▁▂█▂▂▅▅▂▂▂▄▁▂▁▂-1.94-10.038-1.670.3727.886425.50715.99623.896242.377210.59715.42232.77737.047187.662-21.56933.224-5.81123.822
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest▁▁▁▁▂█▁▁▂▂▁▁▁▂▁▁▁▁-0.004-0.02-0.0040.0010.0540.7480.0060.010.0910.0790.0050.0130.0140.063-0.0080.012-0.0020.008
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁▁▁▁▂█▂▂▅▅▂▂▂▄▁▂▁▂-1.936-10.018-1.6660.36927.832424.75915.9923.886242.286210.51815.41732.76437.033187.599-21.56133.212-5.80923.814
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▁▁▁▁▁▁▃▁▁▁▄▄▄▅▆▆▇█0.7610.6820.7070.7431.0171.67725.9952.742.7942.86242.92546.87348.63658.58871.62377.79891.59999.551
us-gaap:Revenues ▁▁▁▁▁▁▂▂▃▃▃▄▄▅▆▆▇█14.87514.85114.70816.48516.26518.8225.99526.73533.36841.75242.92546.87348.63658.58871.62377.79891.59999.551
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:Assets ▁▁▁▄▄▃▁▄▃▄▃▄▄▆▆▇██3256.2683260.6763277.6713708.7743733.1553704.0573319.3773731.3433702.1713713.9373530.7723813.7283776.8744137.3064236.9454260.2894491.1164518.756
us-gaap:Liabilities ▁▁▁▄▁▁▁▄▁▃▃▅▃▅▆▆██24.43229.05834.507465.66859.41459.44373.505503.2366.548322.376346.774644.217334.565735.827936.45935.591204.6551232.231
us-gaap:LiabilitiesAndStockholdersEquity ▁▁▁▄▄▃▁▄▃▄▃▄▄▆▆▇██3256.2683260.6763277.6713708.7743733.1553704.0573319.3773731.3433702.1713713.9373530.7723813.7283776.8744137.3064236.9454260.2894491.1164518.756
us-gaap:StockholdersEquity ▂▂▂▂██▂▂█▄▁▁▅▄▃▃▃▃3225.2973225.1763236.6783236.623666.3943637.583244.5773226.8253634.1733390.2893182.8013168.3183441.0143400.293299.3663323.563285.3353285.483
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:CashAndCashEquivalentsAtCarryingValue ▆▆▆███▅▇▇▆▃▅▄▅▃▃▁▁2965.7882971.0522987.2253418.243437.7753348.3492795.6423205.7753180.5483069.5012400.8032673.3282507.1172837.6712351.6932233.0771967.5491888.537
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▆▆▆███▅▇▇▆▃▅▄▅▃▃▁▁2965.7882971.0522987.2253418.243441.8783351.5232800.6453210.2313182.8583071.2682404.1012683.0362515.5362844.6662360.592240.7341974.1431894.692
us-gaap:Land ▁▁▁▁▁▁▂▂▂▃▄▄▄▄▆▆▇█44.0644.0644.0644.0644.0644.0685.62785.62785.627110.395135.142137.329146.7146.7191.775216.957232.857269.062
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:MinorityInterest ▇▇▇▇██▁▁▁▁▁▁▁▁▁▁▁▁6.5396.4426.4866.4867.3477.0341.2951.2881.451.2721.1971.1931.2951.1891.1291.1391.1261.042
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:StockholdersEquity ▂▂▂▂██▂▂█▄▁▁▅▄▃▃▃▃3225.2973225.1763236.6783236.623666.3943637.583244.5773226.8253634.1733390.2893182.8013168.3183441.0143400.293299.3663323.563285.3353285.483
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▂▂▂▂██▂▂▇▄▁▁▅▄▃▃▃▃3231.8363231.6183243.1643243.1063673.7413644.6143245.8723228.1133635.6233391.5613183.9983169.5113442.3093401.4793300.4953324.6993286.4613286.525
us-gaap:CommonStockValue ▂▂▁▁▁▁▂▂▂▂▂▁▁▁████1.2191.2191.2151.2151.2151.2151.2191.2191.2191.2191.2161.2151.2151.2141.2421.2411.2411.24
us-gaap:AdditionalPaidInCapitalCommonStock ▂▂▂▁▁▁▃▃▃▂▃▃▂▂██▇▇4297.1974295.2264294.6324291.2934288.2454285.2664313.8314310.3534308.0494304.564305.9744306.024300.8224295.7724380.3134378.1844372.614367.19
us-gaap:RetainedEarningsAccumulatedDeficit ██████▅▅▅▄▃▃▂▂▁▁▁▁3802.9943804.933814.9483816.6143816.2453788.4133363.6543347.6643323.7783081.4922870.9742855.5572822.7932785.762596.2592617.822584.6082590.417
us-gaap:MinorityInterest ▇▇▇▇██▁▁▁▁▁▁▁▁▁▁▁▁6.5396.4426.4866.4867.3477.0341.2951.2881.451.2721.1971.1931.2951.1891.1291.1391.1261.042
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▂▂▂▃▃▃▅▆▅▃▇▅▅▁▆▄█▁1.5631.5481.6188.46111.47111.77824.85132.85328.47112.7738.98926.66724.251-0.37135.6718.46248.554-2.69
us-gaap:NetCashProvidedByUsedInInvestingActivities ▂▂▂▂▃▇▂▂▅▇▂▄▃█▃▆▃▁-3.849-3.607-3.923-4.94181.057571.059-4.636-3.343340.675663.039-1.467143.09648.876751.61992.868499.41174.23-200.923
us-gaap:NetCashProvidedByUsedInFinancingActivities ██▁███▁█▄█▃█▁▄█▄▇█-2.978-14.114-428.71-27.158-2.173-31.959-429.801-2.137-257.556-8.642-316.457-2.263-402.257-267.172-7.557-252.345-43.772-2.524
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▄▄▁▄▄▇▁▄▄█▂▅▂▇▅▅▄▂-5.264-16.173-431.015-23.63890.355550.878-409.58627.373111.59667.167-278.935167.5-329.13484.076119.856266.59179.451-206.514
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:DepreciationDepletionAndAmortization ▁▁▁▁▁▁▂▁▂▂▃▃▄▄▅▆▇█4.4324.3514.685.1374.3985.1146.0375.9397.5618.58510.8311.28713.02113.90318.73821.13323.92226.915
us-gaap:NetCashProvidedByUsedInOperatingActivities ▂▂▂▃▃▃▅▆▅▃▇▅▅▁▆▄█▁1.5631.5481.6188.46111.47111.77824.85132.85328.47112.7738.98926.66724.251-0.37135.6718.46248.554-2.69
us-gaap:NetIncomeLoss ▁▁▁▁▂█▂▂▅▅▂▂▂▄▁▂▁▂-1.936-10.018-1.6660.36927.832424.75915.9923.886242.286210.51815.41732.76437.033187.599-21.56133.212-5.80923.814
us-gaap:ProfitLoss ▁▁▁▁▂█▂▂▅▅▂▂▂▄▁▂▁▂-1.94-10.038-1.670.3727.886425.50715.99623.896242.377210.59715.42232.77737.047187.662-21.56933.224-5.81123.822
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest▁▁▁▁▂█▁▁▂▂▁▁▁▂▁▁▁▁-0.004-0.02-0.0040.0010.0540.7480.0060.010.0910.0790.0050.0130.0140.063-0.0080.012-0.0020.008
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁▁▁▁▂█▂▂▅▅▂▂▂▄▁▂▁▂-1.936-10.018-1.6660.36927.832424.75915.9923.886242.286210.51815.41732.76437.033187.599-21.56133.212-5.80923.814
us-gaap:ShareBasedCompensation ▁█▂▂▂▂▂▂▂▃▃▅▅▅▅▆▆▅2.9146.6873.3243.323.2683.3033.373.4083.7213.9274.025.1975.1425.3385.1075.5755.5065.226
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▂▂▂▂▃▇▂▂▅▇▂▄▃█▃▆▃▁-3.849-3.607-3.923-4.94181.057571.059-4.636-3.343340.675663.039-1.467143.09648.876751.61992.868499.41174.23-200.923
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ██▁███▁█▄█▃█▁▄█▄▇█-2.978-14.114-428.71-27.158-2.173-31.959-429.801-2.137-257.556-8.642-316.457-2.263-402.257-267.172-7.557-252.345-43.772-2.524
us-gaap:RepaymentsOfLongTermDebt NANA0.025.1470.1460.1480.1450.14255.4140.1435.6680.266400.261175.2652.581250.34841.7760.348
us-gaap:Dividends ▁▁▁█▁▁▁█▁▁▁▆▁▁▁▁▁▁-0.1922.1021.594434.3111.9973.1871.607434.8141.8911.9611.553311.2351.9971.9971.9971.9971.9971.997
 us-gaap:Dividends us-gaap:StatementEquityComponents eqc:CumulativeCommonDistributions▁▁▁█▁▁▁█▁▁▁▆-2.0830.085-0.382431.1940.01.19-0.281431.541-0.106-0.0361.553307.127NA0.0NANANANA
 us-gaap:Dividends us-gaap:StatementEquityComponents eqc:CumulativePreferredDistributions▄▄▄▄▄▄▄▄▄▄▁█▄▄▄▄▄▄1.9971.9971.9971.9971.9971.9971.9971.9971.9971.9970.03.9941.9971.9971.9971.9971.9971.997
 us-gaap:Dividends us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest▁▂▁█-0.1060.02-0.0211.12NANA-0.1091.276NA0.00.00.114NA0.0NANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock ▁▁▁▁▁▃▁▁▁▁▁▁▁█▁▁▁▁0.9486.0930.0020.0140.026.8810.00.00.1455.3424.0660.00.089.912.9790.00.00.209
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1219000.01219000.01215000.01215000.01215000.01215000.01219000.01219000.01219000.01219000.01216000.01215000.01215000.01214000.01242000.01241000.01241000.01240000.01240000.01255000.01255000.01255000.01263000.01263000.01298000.01297000.01296000.01289000.01289000.01184000.01184000.01184000.01183000.01183000.0838000.0838000.0837000.0837000.0837000.0837000.0721000.0721000.0721000.0560000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value1221221211231261231251251221221271251241251261261271291301291311231181188391887979727164
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value1221221211211221221221211211211231241241241251251251281291291281231181188383817272656456
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

eqc:LongTermIncentivePlanUnits


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302016-06-30
Value65000.0149000.0206000.0124000.089000.032000.032000.042000.045000.042000.000126000.00
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0

eqc:OperatingPartnershipUnits


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value215000.0170000.0113000.0110000.073000.017000.014000.04000.01000.01000.0000
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount330.8114.154.988.782.053.143.89.52.22.40.00.00.0

us-gaap:RestrictedStockUnitsRSU


Antidilutive
Period End2021-06-302021-03-312020-09-302018-06-302017-06-302016-06-30
Value466000.0848000.01525000.001063000.00
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount716.9569.1740.30.0843.70.0

us-gaap:SeriesDPreferredStock


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302019-09-302019-06-302018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value3237000.03237000.02857000.02857000.02563000.002363000.02363000.002363000.02363000.02363000.02363000.02363000.02363000.02363000.02363000.02363000.004721000.07298000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount4980.02172.51386.92304.08009.40.05251.15626.20.00.01875.40.00.00.00.00.00.00.00.00.00.0

Income Loss From Continuing Operations Per Basic Share

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302011-03-312010-03-31
Value-0.03-0.1-0.03-0.010.213.460.110.181.971.710.120.250.291.5-0.190.25-0.060.180.090.670.570.310.280.180.040.05-1.331.160.050.37
Percentage of IncomeLossFromContinuingOperationsPerBasicShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Diluted Share

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302011-03-312010-03-31
Value-0.03-0.1-0.03-0.010.213.350.110.181.931.670.110.250.291.48-0.190.25-0.060.170.080.670.560.310.290.180.040.05-1.331.160.050.37
Percentage of IncomeLossFromContinuingOperationsPerDilutedShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:GeneralAndAdministrativeExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.96.73.33.33.33.33.33.43.73.94.05.25.15.3
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax381.1982.40.0444.1324.5196.812.7124.1132.4136.39.311.110.59.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:GeneralAndAdministrativeExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-1.936-10.018-1.6660.369274241523242210163337187-24.32734-3.5722313878847443178-5.382-172.0121381032-16.702-210.669-16.26427-151.17522102831-11.3172753
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-254.4-1468.90.049.72736.725328.561.5871.88671.77367.637.570.977.5320.0-34.044.5-3.923.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-0.004-0.02-0.0040.0010.0540.7480.0060.010.0910.0790.0050.0130.0140.063-0.0080.012-0.0020.0080.00.00.00.00.00.00.00.1089.9969.9535.5114.6574.5210.894
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.5-2.90.00.15.344.60.00.43.32.80.00.00.00.1-0.00.0-0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-1.94-10.038-1.670.37274251523242210163337187-24.33534-3.5742313878847-172.0121381032-16.702-210.561-6.26837-145.66427142931-11.317275340602.057
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-254.9-1471.80.049.82742.025373.161.5872.18674.97370.337.570.977.5320.1-34.044.6-3.923.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1826181819242424283635424363616591819891144106114130169179336204199173147171198194164191186180199173156157179137158136
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2419.23915.10.02526.51905.31459.792.6890.01004.61274.082.390.690.0109.185.883.8100.081.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312010-09-30
Value0.00.1310.00.00.0-6.3740.0-0.7190.0-1.536-4.867-0.227-0.203-0.0630.0-2.5620.00.0-0.1180.55-3.88710-0.428-1.796.6990.00.0-0.0250.00.0-60.0270.0-0.22-1.608-0.067-0.3450.310.0-0.796
Percentage of GainsLossesOnExtinguishmentOfDebt0.0100.00.00.00.0100.00.0100.00.0100.0100.0100.0100.0100.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.0100.00.0100.0100.0100.0100.0100.00.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.017.60.00.00.0-228.10.0-1.70.0-3.2-8.3-0.3-0.3-0.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument

us-gaap:Mortgages


Gains
Period End2020-09-302014-08-012014-06-27
Value0.16.7-3.3
Percentage of GainsLossesOnExtinguishmentOfDebt76.30.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.50.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Mortgages0.00.00.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7.39157.1367.1918.302108.298.5239.533128.97310111312111112111312131316101616472424152521171114131213111110119.7049.5549.25
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax971.12306.30.0967.8816.3632.331.9311.1341.2422.620.923.323.122.816.815.013.112.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-1.909-10.007-1.5920.441274251623242211153236190-21.62433-5.766231286884643301513-157.705156-4.8586.346122-133.1823033
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-250.9-1467.30.059.42747.825375.562.2853.18687.17403.837.270.175.2325.4-30.243.1-6.324.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value31000.031000.078000.071000.059000.040000.0165000.0-521000.0340000.01300000.0540000.065000.0-456000.03007000.0-55000.0335000.045000.0175000.0280000.0225000.0165000.075000.0-13000.023000.02915000.0-561000.01025000.0703000.0908000.0555000.0107000.0785000.0754000.0988000.01301000.01322000.092000.0492000.0604000.0307000.090000.0346000.0221000.0-34000.0181000.0182000.0
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.14.50.09.65.82.40.6-19.012.245.41.30.1-0.95.1-0.10.40.00.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value275000.0-12000.0490000.0-2045000.071000.0-40000.02419000.0-2000.01000.0394000.0335000.00175000.0-72000.02765000.0837000.02251000.0
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.1-1.848.2-121.92.6-0.15.0-0.00.00.40.30.00.00.00.00.00.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.00.0090.3020.3090.3110.3214.074.2065.0355.0856.35101011141519212122242527293235373738394352535150494949484745444444
Percentage of InterestExpense0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.01.229.718.41.211.7145.7147.011.710.813.117.315.114.816.215.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.00.1110.3660.3660.3680.3734.5777.7141.2188.1953.073146.388
Percentage of InterestPaidNet0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.014.936.021.81.413.6163.8269.52.817.56.325.08.9

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-1.936-10.018-1.6660.369274241523242210153237187-21.56133-5.809231286874643301213-158.5611565.38520-5.301-216.3151825-152.784171623142819462265
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-254.4-1468.90.049.72736.725328.561.5871.88671.77355.635.969.976.1320.2-30.142.7-6.323.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-0.004-0.02-0.0040.0010.0540.7480.0060.010.0910.0790.0050.0130.0140.063-0.0080.012-0.0020.0080.00.00.00.00.00.00.00.108109.9575.5144.6474.5210.894
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.5-2.90.00.15.344.60.00.43.32.80.00.00.00.1-0.00.0-0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-3.933-12.015-3.663-1.628254221321240208133035185-23.55831-7.806211084713936235.6356.649-165.542149-17.8029.297-16.452-227.4667.73814-163.935-0.1222.2429.8571.05149.464376.65153-2.66924
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-516.8-1761.70.0-219.12540.325209.453.8798.98600.27285.831.365.672.0316.8-32.940.1-8.521.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-09-30
Value-3.933-12.015-1.666-1.628254241521242210133035187-23.56631-7.80821108471393623151
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-516.8-1761.70.0-219.12540.325328.561.5798.98671.77355.631.365.672.0320.3-32.940.1-8.521.90.00.00.00.00.00.00.0

Operating Costs And Expenses

us-gaap:OperatingCostsAndExpenses

us-gaap:OperatingCostsAndExpenses


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value6.5886.6216.4446.6778.7619.9231015
Percentage of OperatingCostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax865.7970.8867.3656.5522.4362.2392.8551.4

Preferred Stock Dividends Income Statement Impact

us-gaap:PreferredStockDividendsIncomeStatementImpact

us-gaap:PreferredStockDividendsIncomeStatementImpact


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9976.9816.9816.9816.9816.9816.9816.9816.9816.9821111111111111213131313108.8399.7321212
Percentage of PreferredStockDividendsIncomeStatementImpact100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax262.4292.80.0268.8196.4119.17.772.971.569.84.74.34.13.42.82.62.22.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-06-302010-03-31
Value-1.94-10.038-1.670.37274251523242210153237187-21.56933-5.8112312868746-158.5611565.38520-5.301-216.2072835-147.27222024142819469.99837
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-254.9-1471.80.049.82742.025373.161.5872.18674.97358.435.969.976.2320.3-30.142.7-6.323.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-06-302016-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-0.004-0.02-0.0040.0010.0540.7480.0060.010.0910.0790.0050.0130.0140.063-0.0080.012-0.0020.0080.00.00.00.108109.9575.5144.6474.5210.894
Percentage of ProfitLoss0.20.20.20.30.20.20.00.00.00.00.00.00.00.00.00.00.00.00.00.0-0.0-0.034.728.0-3.720.922.03.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.5-2.90.00.15.344.60.00.43.32.80.00.00.00.1-0.00.0-0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-06-302016-03-31
Value-1.936-10.018-1.6660.369274241523242210153237187-21.56133-5.809238746
Percentage of ProfitLoss99.899.899.899.799.899.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-254.4-1468.90.049.72736.725328.561.5871.88671.77355.635.969.976.1320.2-30.142.7-6.323.90.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.7610.6820.7070.7431.0171.677252.742.7942.8624246485871779199
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value141414161618252633414246485871779199
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1954.72177.62080.32218.71599.31122.2100.0975.71194.31458.8100.0100.0100.0100.0100.0100.0100.0100.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value32563260327737083733370433193731370237133530381337764137423642604491451845264965491151035244532455485734576161706593660066466821801980828189794677987713744774586959668965886121
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value242934465595973503663223466443347359369351204123212651676171317151875199721602423244226813222324132823400394739554688444641163990387838653571354934563232
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.91.112.61.61.62.213.51.88.79.816.98.917.822.122.026.827.328.033.834.933.635.837.538.942.342.443.548.949.149.449.949.248.957.256.052.851.752.151.851.353.152.552.8

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value32563260327737083733370433193731370237133530381337764137423642604491451845264965491151035244532455485734576161706593660066466821801980828189794677987713744774586959668965886121
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312009-12-312008-12-31
Value32253225323632363666363732443226363433903182316834413400329933233285328532603363342136713728310532893472351735683592313128892921
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets99.098.998.787.398.298.297.786.598.291.390.183.191.182.277.978.073.272.772.050.650.145.846.137.941.444.545.647.948.247.547.20.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value2965297129873418343733482795320531803069240026732507283723512233196718882094240517721742180216491286421379597428177222165774810272138193192210552519417433138181519
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets91.191.191.192.292.190.484.285.985.982.668.070.166.468.655.552.443.841.846.348.436.134.134.431.023.27.46.69.76.52.73.32.41.00.61.20.91.82.52.62.80.80.42.90.00.00.00.30.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value29652971298734183441335128003210318230712404268325152844236022401974189421011834396
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets91.191.191.192.292.290.584.486.086.082.768.170.466.668.855.752.644.041.946.435.06.9

Land

us-gaap:Land

us-gaap:Land


Land
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value444444444444858585110135137146146191216232269286293328372389413456705714740748747699740153315481531153115141498145814451440139313391237
Percentage of Land100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.41.31.21.21.22.62.32.33.03.83.63.93.54.55.15.26.06.35.96.77.37.47.88.212.312.412.011.311.310.510.919.119.218.719.319.419.419.619.420.720.820.320.2

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value20161718182239413542626376788710099126122123140152157162159211220209206206188195225221211245228210197182224210171124
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.50.50.50.50.61.21.11.01.11.81.72.01.92.12.42.22.82.72.52.93.03.03.12.93.73.83.43.13.12.82.92.82.72.63.12.92.72.62.43.23.22.62.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-06-302013-03-312012-12-31
Value6.5396.4426.4866.4867.3477.0341.2951.2881.451.2721.1971.1931.2951.1891.1291.1391.1261.0420.0401398396
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.20.00.00.00.00.00.00.00.00.00.00.00.00.05.04.94.8

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312009-12-312008-12-31
Value32253225323632363666363732443226363433903182316834413400329933233285328532603363342136713728310532893472351735683592313128892921
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets99.098.998.787.398.298.297.786.598.291.390.183.191.182.277.978.073.272.772.050.650.145.846.137.941.444.545.647.948.247.547.20.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value323132313243324336733644324532283635339131833169344234013300332432863286326032893198338733683327338733113319348933703359336334214072412635013500368237233568338831393131288929212902
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets99.299.198.987.498.498.497.886.598.291.390.283.191.182.277.978.073.272.772.066.265.166.464.262.561.157.757.656.551.150.950.650.150.851.142.844.047.248.347.948.746.947.547.20.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

eqc:CumulativeCommonDistributions


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value-4281.67-4283.753-4283.668-4284.05-3852.856-3852.856-3851.666-3851.947-3420.406-3420.512-3420.548-3418.995-3111.868-3111.868-3111.868-3111.868-3111.868-3111.868-3111.868-3111.868-3111.868-3111.868-3111.868-3082.271-2972.569-2826.03
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-132.5-132.6-132.1-132.1-104.9-105.7-118.7-119.3-94.1-100.9-107.4-107.9-90.4-91.5-94.3-93.6-94.7-94.7-95.4-97.3-91.9-92.4-93.7-91.6-84.9-79.2
Percentage of Assets-131.5-131.4-130.7-115.5-103.2-104.0-116.0-103.2-92.4-92.1-96.9-89.6-82.4-75.2-73.4-73.0-69.3-68.9-68.8-63.4-61.0-59.3-54.0-46.4-36.3-37.9
Percentage of Assets eqc:CumulativeCommonDistributions0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

eqc:CumulativePreferredDistributions


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value-713.706-711.709-709.712-707.715-705.718-703.721-701.724-699.727-697.73-695.733-693.736-693.736-689.742-687.745-685.748-683.751-681.754-679.757-677.76-673.766-657.176-650.195-622.271-573.971-529.367-476.657
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-22.1-22.0-21.9-21.8-19.2-19.3-21.6-21.7-19.2-20.5-21.8-21.9-20.0-20.2-20.8-20.6-20.7-20.7-20.8-21.1-19.4-19.3-18.7-17.1-15.1-13.4
Percentage of Assets-21.9-21.8-21.7-19.1-18.9-19.0-21.1-18.8-18.8-18.7-19.6-18.2-18.3-16.6-16.2-16.0-15.2-15.0-15.0-13.7-12.9-12.4-10.8-8.6-6.5-6.4
Percentage of Assets eqc:CumulativePreferredDistributions0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value429742954294429142884285431343104308430443054306430042954380437843724367436343984393441444874213358536143348292529392925
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest133.0132.9132.4132.3116.7117.6132.9133.5118.5126.9135.2135.9124.9126.3132.7131.7133.0132.9133.8137.5129.7131.1135.2125.3102.4101.3106.9101.3100.6100.8
Percentage of Assets132.0131.7131.0115.7114.9115.7130.0115.5116.4115.9122.0112.9113.9103.8103.4102.897.496.696.489.586.184.277.963.443.848.550.847.80.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value1.2191.2191.2151.2151.2151.2151.2191.2191.2191.2191.2161.2151.2151.2141.2421.2411.2411.241.241.2551.2551.2631.2961.1840.8380.8370.7210.560.5690.564
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-06-302016-03-312015-12-312014-12-312013-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value6.5396.4426.4866.4867.3477.0341.2951.2881.451.2721.1971.1931.2951.1891.1291.1391.1261.0420.00.00.00.00.00.04013983962102102050.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.20.20.20.20.20.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.09.99.711.36.05.75.50.0
Percentage of Assets0.20.20.20.20.20.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.05.04.94.82.72.72.70.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value380238043814381638163788336333473323308128702855282227852596261725842590256624672380233322332209238624822372223620721827
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest117.7117.7117.6117.7103.9103.9103.6103.791.490.990.290.182.081.978.778.778.678.878.777.270.369.367.365.768.269.675.877.470.963.0
Percentage of Assets116.8116.7116.4102.9102.2102.3101.389.789.883.081.374.974.767.361.361.457.557.356.750.246.644.538.833.229.133.336.036.50.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1219000.01219000.01215000.01215000.01215000.01215000.01219000.01219000.01219000.01219000.01216000.01215000.01215000.01214000.01242000.01241000.01241000.01240000.01240000.01255000.01255000.01255000.01263000.01263000.01298000.01297000.01296000.01289000.01289000.01184000.01184000.01184000.01183000.01183000.0838000.0838000.0837000.0837000.0837000.0837000.0721000.0721000.0721000.0560000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value42974295429442914288428543134310430843044305430643004295438043784372436743634402439843934414441044954491448744844483421742134213421242123585358535903590361436133349334833482925
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets132.0131.7131.0115.7114.9115.7130.0115.5116.4115.9122.0112.9113.9103.8103.4102.897.496.696.488.789.586.184.282.881.078.377.972.768.063.963.461.852.552.143.845.146.046.548.548.548.150.150.847.8

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value38023804381438163816378833633347332330812870285528222785259626172584259025662554246723802333229022602247223323922235223022092215243124122386253925222506248224672438241823722236
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets116.8116.7116.4102.9102.2102.3101.389.789.883.081.374.974.767.361.361.457.557.356.751.450.246.644.543.040.739.238.838.833.933.833.232.530.329.829.132.032.332.533.333.135.036.236.036.5

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-06-302013-03-312012-12-31
Value6.5396.4426.4866.4867.3477.0341.2951.2881.451.2721.1971.1931.2951.1891.1291.1391.1261.0420.0401398396
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.20.00.00.00.00.00.00.00.00.00.00.00.00.05.04.94.8

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.5631.5481.6188.461111124322812382624-0.371351848-2.694622702240178340393182464452934290471033557671102953628848
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax205.4227.0228.91138.81127.9702.395.61199.01019.0446.290.856.949.9-0.649.823.753.0-2.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-3.849-3.607-3.923-4.94181571-4.636-3.343340663-1.467143487519249974-200.9231086122428823744992833-15.869687170-37.364154-22.008-10.45566-284.069-158.702-181.804-123.611-34.932-104.231-231.17-253.599-189.546-2.16-147.244-14.585
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-505.8-528.9-554.9-665.07970.234052.4-17.8-122.012193.123167.0-3.4305.3100.51282.9129.7641.981.0-201.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-2.978-14.114-428.71-27.158-2.173-31.959-429.801-2.137-257.556-8.642-316.457-2.263-402.257-267.172-7.557-252.345-43.772-2.524-465.017-2.839-282.808-172.518-123.785-95.924-147.3-15.713-241.123-549.139-1.932-54.814-141.92157-53.592-162.719223442389-41.0881941505515281-46.03986
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-391.3-2069.5-60637.9-3655.2-213.7-1905.7-1653.4-78.0-9218.2-302.0-737.2-4.8-827.1-456.0-10.6-324.4-47.8-2.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-5.264-16.173-431.015-23.63890550-409.58627111667-278.935167-329.1348411926679-206.514
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-691.7-2371.4-60963.9-3181.48884.532849.0-1575.6999.03993.923311.2-649.8357.3-676.7826.2167.3342.786.7-207.4

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value4.4324.3514.685.1374.3985.1146.0375.9397.5618.5851011131318212326292937363740536258575951485267665763636159565152764245
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.5631.5481.6188.461111124322812382624-0.371351848-2.694622702240178340393182464452934290471033557671102953628848
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax205.4227.0228.91138.81127.9702.395.61199.01019.0446.290.856.949.9-0.649.823.753.0-2.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-1.936-10.018-1.6660.369274241523242210153237187-21.56133-5.809231286874643301213-158.5611565.38520-5.301-216.3151825-152.784171623142819462265
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-254.4-1468.9-235.649.72736.725328.561.5871.88671.77355.635.969.976.1320.2-30.142.7-6.323.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-06-302010-03-31
Value-1.94-10.038-1.670.37274251523242210153237187-21.56933-5.8112312868746-158.5611565.38520-5.301-216.2072835-147.27222024142819469.99837
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-254.9-1471.8-236.249.82742.025373.161.5872.18674.97358.435.969.976.2320.3-30.142.7-6.323.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-06-302016-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-0.004-0.02-0.0040.0010.0540.7480.0060.010.0910.0790.0050.0130.0140.063-0.0080.012-0.0020.0080.00.00.00.108109.9575.5144.6474.5210.894
Percentage of ProfitLoss0.20.20.20.30.20.20.00.00.00.00.00.00.00.00.00.00.00.00.00.0-0.0-0.034.728.0-3.720.922.03.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.5-2.9-0.60.15.344.60.00.43.32.80.00.00.00.1-0.00.0-0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-06-302016-03-31
Value-1.936-10.018-1.6660.369274241523242210153237187-21.56133-5.809238746
Percentage of ProfitLoss99.899.899.899.799.899.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-254.4-1468.9-235.649.72736.725328.561.5871.88671.77355.635.969.976.1320.2-30.142.7-6.323.90.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value2.9146.6873.3243.323.2683.3033.373.4083.7213.9274.025.1975.1425.3385.1075.5755.5065.2264.6594.8944.6244.3533.663.6554.1523.9582.591-0.2120.03.354
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-3.849-3.607-3.923-4.94181571-4.636-3.343340663-1.467143487519249974-200.9231086122428823744992833-15.869687170-37.364154-22.008-10.45566-284.069-158.702-181.804-123.611-34.932-104.231-231.17-253.599-189.546-2.16-147.244-14.585
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-505.8-528.9-554.9-665.07970.234052.4-17.8-122.012193.123167.0-3.4305.3100.51282.9129.7641.981.0-201.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-2.978-14.114-428.71-27.158-2.173-31.959-429.801-2.137-257.556-8.642-316.457-2.263-402.257-267.172-7.557-252.345-43.772-2.524-465.017-2.839-282.808-172.518-123.785-95.924-147.3-15.713-241.123-549.139-1.932-54.814-141.92157-53.592-162.719223442389-41.0881941505515281-46.03986
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-391.3-2069.5-60637.9-3655.2-213.7-1905.7-1653.4-78.0-9218.2-302.0-737.2-4.8-827.1-456.0-10.6-324.4-47.8-2.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.0250.1460.1480.1450.142550.1435.6680.2664001752.581250410.3484180.8420.8271391160.961401.5892345351.932141012.05120942257660263692362842601943011011137168
Percentage of RepaymentsOfLongTermDebt0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Dividends

us-gaap:Dividends

us-gaap:Dividends


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-06-302016-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-0.1922.1021.5944341.9973.1871.6074341.8911.9611.5533111.9971.9971.9971.9971.9971.9976.9816.9814040483935605555
Percentage of Dividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Dividends us-gaap:StatementEquityComponents

eqc:CumulativeCommonDistributions


Dividendsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-31
Value-2.0830.085-0.3824310.01.19-0.281431-0.106-0.0361.5533070.0
Percentage of Dividends1084.94.0-24.099.30.037.3-17.599.2-5.6-1.8100.098.70.0

eqc:CumulativePreferredDistributions


Dividendsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-06-302016-03-31
Value1.9971.9971.9971.9971.9971.9971.9971.9971.9971.9970.03.9941.9971.9971.9971.9971.9971.9976.9816.981
Percentage of Dividends-1040.195.0125.30.5100.062.7124.30.5105.6101.80.01.3100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterest


Dividendsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-03-312018-12-312018-09-302018-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-0.1060.02-0.0211.12-0.1091.2760.00.00.1140.00.00.07.6047.2593.878
Percentage of Dividends55.21.0-1.30.3-6.80.30.00.00.00.00.00.015.718.410.8

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value0.9486.0930.0020.0140.0260.00.00.1455.3424.0660.00.0892.9790.00.00.209440.00.0250.0870.00.00.0
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.00.0100.00.00.0100.0100.0100.00.00.0100.0100.00.00.0100.0100.00.00.0100.00.0100.00.00.00.0

eqc:CashPaidForRealEstateImprovements

eqc:CashPaidForRealEstateImprovements


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value0.4673.6074.1614.9411.3971.544.6363.3433.733148.2129.5151912131318192931342527141612172121383426
Percentage of CashPaidForRealEstateImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eqc:GainLossOnSaleOfPropertiesReleaseOfEscrowDeposits us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:DisposalGroupClassification

eqc:GainLossOnSaleOfPropertiesReleaseOfEscrowDeposits

eqc:ResearchPark, us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations


Gain
Period End2020-12-312020-09-302020-06-30
Value002000000.0
Percentage of GainLossOnSaleOfPropertiesReleaseOfEscrowDeposits0.00.0100.0

eqc:IncreaseDecreaseInRentsReceivableAndOtherAssets

eqc:IncreaseDecreaseInRentsReceivableAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-0.058-0.2691.1041.53-1.2480.7332.0273.036-0.088.1160.1372.8935.446112.9460.861.663183.4476.747-1.759150.86526-8.21628268.731.60618-1.66636
Percentage of IncreaseDecreaseInRentsReceivableAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eqc:NetIncomeLossAttributableToNoncontrollingInterestDiluted

eqc:NetIncomeLossAttributableToNoncontrollingInterestDiluted


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-4000.0-20000.0-4000.01000.054000.0748000.06000.010000.091000.079000.0-185000.013000.014000.00000
Percentage of NetIncomeLossAttributableToNoncontrollingInterestDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

eqc:NoncontrollingInterestIncreaseDecreaseFromAdjustments us-gaap:StatementEquityComponents

eqc:NoncontrollingInterestIncreaseDecreaseFromAdjustments

us-gaap:AdditionalPaidInCapital


Noncontrolling
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value236000.0280000.0154000.073000.0-4646000.0-774000.0241000.0
Percentage of NoncontrollingInterestIncreaseDecreaseFromAdjustments100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterest


Noncontrolling
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value-236000.0-280000.0-154000.0-73000.04646000.0774000.0-241000.0
Percentage of NoncontrollingInterestIncreaseDecreaseFromAdjustments-100.0-100.0-100.0-100.0-100.0-100.0-100.0

eqc:NoncontrollingInterestWeightedAverageOwnershipPercentageByParent us-gaap:Ownership

eqc:NoncontrollingInterestWeightedAverageOwnershipPercentageByParent

eqc:EQCOperatingTrust


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value99.899.8099.80.998199.8798.960.99960.999698.960.9996
Percentage of NoncontrollingInterestWeightedAverageOwnershipPercentageByParent100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

eqc:OperatingLeaseRightOfUseAssetAmortization

eqc:OperatingLeaseRightOfUseAssetAmortization


Operating
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value193000.0190000.0189000.0185000.0183000.0181000.0
Percentage of OperatingLeaseRightOfUseAssetAmortization100.0100.0100.0100.0100.0100.0

eqc:WeightedAverageNumberOfSharesRestrictedStockUnitsUnvested

eqc:WeightedAverageNumberOfSharesRestrictedStockUnitsUnvested


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value266000.0236000.0-2000.0150000.0150000.0177000.02000.0217000.0220000.0187000.0-36000.0362000.0362000.0307000.033000.0000
Percentage of WeightedAverageNumberOfSharesRestrictedStockUnitsUnvested100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value948000.06093000.02000.014000.006012000.000145000.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.00.0100.00.00.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value948000.06091000.02000.014000.006010000.000145000.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.00.0100.00.00.0100.0

us-gaap:CommonStock


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value02000.00002000.000
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation0.00.00.00.00.00.00.00.0

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AmortizationOfFinancingCostsAndDiscounts


Amortization
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0-3000.0-60000.0-56000.0-60000.0-55000.0154000.0165000.0548000.0559000.0645000.0801000.0789000.0784000.0849000.0713000.0845000.0948000.0949000.0983000.0171000.0-177000.029000.0151000.0-91000.0-303000.0-309000.0-240000.0-592000.0284000.0629000.0653000.01001000.01005000.0746000.01476000.01515000.01920000.02032000.01890000.01839000.01874000.01931000.0
Percentage of AmortizationOfFinancingCostsAndDiscounts0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0.0140.840.006-1.7531.6621.071-0.778-1.8311.0852.9074.8034.1987.04-6.312-10.276-0.6161.139-8.0672.3892.74110-13.284
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetReclassifiedToReceivable us-gaap:UnusualOrInfrequentItem

us-gaap:ContractWithCustomerAssetReclassifiedToReceivable

eqc:COVID19


Contract
Period End2021-06-302021-03-312020-12-312020-09-30
Value020000.00200000.0
Percentage of ContractWithCustomerAssetReclassifiedToReceivable0.0100.00.0100.0

us-gaap:CurrentStateAndLocalTaxExpenseBenefit

us-gaap:CurrentStateAndLocalTaxExpenseBenefit


Current
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value31000.031000.078000.071000.059000.040000.0165000.0-521000.0340000.0300000.0540000.065000.0-456000.03007000.0-50000.0335000.045000.0170000.0280000.0225000.0165000.075000.0090000.090000.090000.050000.039000.0227000.071000.0123000.0162000.0163000.0386000.0130000.0107000.0142000.0135000.0118000.0187000.0102000.0
Percentage of CurrentStateAndLocalTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.7623.7693.874.1873.7234.3825.1745.0776.1287.4039.2429.40410111416192123232728283039464342423737444847514646444342394163383939
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DistributedEarnings

us-gaap:DistributedEarnings


Distributed
Period End2021-03-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1997000.01997000.01997000.001997000.001997000.01997000.01997000.001997000.01997000.01997000.01997000.0
Percentage of DistributedEarnings100.0100.0100.00.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:ExtinguishmentOfDebtAmount us-gaap:DebtInstrument

us-gaap:ExtinguishmentOfDebtAmount

us-gaap:Mortgages


Extinguishment
Period End2020-07-05
Value25
Percentage of ExtinguishmentOfDebtAmount100.0

us-gaap:ExtinguishmentOfDebtAmount us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:ExtinguishmentOfDebt

eqc:East9thStreetAustinTX206, us-gaap:Mortgages


Extinguishment
Period End2020-07-05
Value25
Percentage of ExtinguishmentOfDebtAmount100.0

us-gaap:GainLossOnSaleOfProperties

us-gaap:GainLossOnSaleOfProperties


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302010-12-312010-09-302010-06-30
Value0.2080.0264190.0241.945227193-1.6082026205-29.172253.136162582106364139-2.7085.8680.00.00.00.00.00.00.01.596-2.0391.6890.350.02211
Percentage of GainLossOnSaleOfProperties100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.0100.0100.0100.0100.00.0100.0100.0

us-gaap:IncomeLossFromIndividuallySignificantComponentDisposedOfOrHeldForSaleExcludingDiscontinuedOperationsBeforeIncomeTax us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:DisposalGroupClassification

us-gaap:IncomeLossFromIndividuallySignificantComponentDisposedOfOrHeldForSaleExcludingDiscontinuedOperationsBeforeIncomeTax

eqc:A333108thAvenueNE, us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-0.009-0.0090.0210.0281933.73.73.6
Percentage of IncomeLossFromIndividuallySignificantComponentDisposedOfOrHeldForSaleExcludingDiscontinuedOperationsBeforeIncomeTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-2.7340.535-4.662.1320.552-1.1281.8474.021-4.631-6.5485.8191.9911.625-10.1399.712-8.25313-24.0539.966-3.3334.391-6.3611.126-4.92210-11.134-9.437274.712-12.545-25.4492612-27.76915-11.56923-20.63-2.7672.8819-6.8314-11.23310-9.92
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredLiabilities

us-gaap:IncreaseDecreaseInDeferredLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-606000.051000.01067000.0-660000.0390000.0-996000.0-406000.0-21000.0-312000.0-1871000.01269000.0-1955000.0-1185000.0-1786000.047000.0-4776000.0750000.0416000.0-3069000.0-2261000.01604000.0-3255000.0-2350000.02427000.0-7919000.0-620000.05170000.0-3060000.0-1214000.0-1125000.0-1820000.09675000.0-5782000.0-1948000.010671000.0-6282000.0-1712000.0-3781000.01812000.04065000.02373000.0229000.0-3249000.01948000.0-3476000.03577000.0
Percentage of IncreaseDecreaseInDeferredLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToConversionOfPreferredStock

us-gaap:IncrementalCommonSharesAttributableToConversionOfPreferredStock


Incremental
Period End2020-09-302020-06-302020-03-312019-09-302019-06-30
Value002857000.002563000.0
Percentage of IncrementalCommonSharesAttributableToConversionOfPreferredStock0.00.0100.00.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements us-gaap:AwardType

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

eqc:LongTermIncentivePlanUnits


Incremental
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-1000.0076000.076000.0-3000.0184000.0172000.0175000.025000.0112000.065000.0136000.0-11000.0103000.0080000.00000
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


Incremental
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-17000.01000.01524000.01524000.015000.01240000.01005000.01124000.0161000.0894000.0762000.0730000.0-111000.0983000.001023000.0-88000.01035000.01429000.01682000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements1700.00.02005.32005.3-500.0673.9584.3642.3644.0798.21172.3536.81009.1954.40.01278.80.00.00.00.0

us-gaap:InterestAndOtherIncome

us-gaap:InterestAndOtherIncome


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1.6261.8432.2842.6064.44311141920171512125.788.3937.5966.0194.3723.1473.0132.2041.9671.1760.6370.7283.4480.490.4060.2810.3840.2980.2270.250.4580.3280.3990.4130.2880.290.3690.3920.7080.8650.5710.447
Percentage of InterestAndOtherIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseIncome

us-gaap:LeaseIncome


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1414141515172323303839434555
Percentage of LeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MinorityInterestDecreaseFromRedemptions

us-gaap:MinorityInterestDecreaseFromRedemptions


Minority
Period End2020-12-312020-09-302020-06-30
Value0031000.0
Percentage of MinorityInterestDecreaseFromRedemptions0.00.0100.0

us-gaap:MinorityInterestDecreaseFromRedemptions us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2020-12-312020-09-302020-06-30
Value0031000.0
Percentage of MinorityInterestDecreaseFromRedemptions0.00.0100.0

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance


Noncontrolling
Period End2020-12-312020-09-302020-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.00.00.0010.00.00.0010.00.00.00.0010.03
Percentage of NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance0.00.0100.00.00.0100.00.00.00.0100.0100.0

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Noncontrolling
Period End2020-12-312020-09-302020-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.00.00.0010.00.00.0010.00.00.00.0010.03
Percentage of NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance0.00.0100.00.00.0100.00.00.00.0100.0100.0

us-gaap:OperatingLeaseExpense us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:OperatingLeaseExpense

eqc:TwoNorthRiversidePlazaJointVentureLimitedPartnership


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value100000.0100000.0200000.0200000.0200000.0200000.0200000.0200000.0300000.0200000.0200000.0200000.0200000.0200000.0
Percentage of OperatingLeaseExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncome

us-gaap:OperatingLeaseLeaseIncome


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1414141515172323303839434555
Percentage of OperatingLeaseLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncomeLeasePayments

us-gaap:OperatingLeaseLeaseIncomeLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9.1929.2579.0699.6929.983111616202728303039
Percentage of OperatingLeaseLeaseIncomeLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherAmortizationOfDeferredCharges

us-gaap:OtherAmortizationOfDeferredCharges


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value670000.0582000.0810000.0950000.0675000.0732000.0863000.0771000.01341000.01034000.0
Percentage of OtherAmortizationOfDeferredCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfCapitalDistribution

us-gaap:PaymentsOfCapitalDistribution


Payments
Period End2021-06-302021-02-282021-03-312020-10-202020-12-312020-09-302020-06-302020-02-292020-03-312019-10-232019-12-312019-02-282018-10-23
Value0.06.06.0244264250.00.02.91.9364274271.2304
Percentage of PaymentsOfCapitalDistribution0.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfCapitalDistribution us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Payments
Period End2020-10-20
Value426
Percentage of PaymentsOfCapitalDistribution100.0

us-gaap:PaymentsOfDividendsMinorityInterest

us-gaap:PaymentsOfDividendsMinorityInterest


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312014-12-312013-12-312012-12-31
Value0.8520.00.00.9970.00.00.00.03.878
Percentage of PaymentsOfDividendsMinorityInterest100.00.00.0100.00.00.00.00.0100.0

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9971.9976.9816.9816.9816.9816.9816.9816.981130.011111111111114131313128.848.83911121212
Percentage of PaymentsOfDividendsPreferredStockAndPreferenceStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PreferredStockDividendsPerShareCashPaid us-gaap:StatementScenario, us-gaap:SubsequentEventType

us-gaap:PreferredStockDividendsPerShareCashPaid

srt:ScenarioForecast, us-gaap:SubsequentEvent


Preferred
Period End2020-08-17
Value0.40625
Percentage of PreferredStockDividendsPerShareCashPaid100.0

us-gaap:PreferredStockDividendsPerShareDeclared us-gaap:SubsequentEventType

us-gaap:PreferredStockDividendsPerShareDeclared

us-gaap:SubsequentEvent


Preferred
Period End2020-07-08
Value0.40625
Percentage of PreferredStockDividendsPerShareDeclared100.0

us-gaap:ProceedsFromMinorityShareholders

us-gaap:ProceedsFromMinorityShareholders


Proceeds
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0000001000.00001000.030000.00000
Percentage of ProceedsFromMinorityShareholders0.00.00.00.00.00.0100.00.00.00.0100.0100.00.00.00.00.0

us-gaap:ProceedsFromSaleOfProductiveAssets

us-gaap:ProceedsFromSaleOfProductiveAssets


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302011-12-312011-09-302010-12-312010-09-30
Value0.2380.0825720.00.03444276.745147627441035139194115645270118266463942190.00.121850.01873.8360.09.3051.114165372190
Percentage of ProceedsFromSaleOfProductiveAssets100.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:RealEstateImprovements

us-gaap:RealEstateImprovements


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0.43.54.13.23.11.23.91.54.83.7131316121111171422292731291816102518192747
Percentage of RealEstateImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value03400000.00-1000.0025000.000300000.0500000.0000400000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost0.0100.00.0100.00.0100.00.00.0100.0100.00.00.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

eqc:RestrictedStockAndTimeBasedLongTermIncentivePlanUnits


Share
Period End2021-01-252020-06-232020-06-302020-01-272020-03-312019-06-20
Value28.2531.41032.8140.1734.01
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.00.0100.0100.0100.0100.0

eqc:RestrictedStockUnitsRSUsAndMarketBasedLongTermIncentivePlanUnits


Share
Period End2021-06-302021-03-312020-12-312020-01-27
Value037.87-24.0540.17
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.00.00.0122.4

us-gaap:RestrictedStock


Share
Period End2020-09-162020-01-272019-01-292018-01-292017-01-242016-01-262015-01-282014-10-28
Value30.3932.8131.7729.7831.4726.9326.5826.66
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0100.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

eqc:RestrictedStockUnitsRSUsAndMarketBasedLongTermIncentivePlanUnits


Share
Period End2021-06-302021-03-312020-12-31
Value016.990
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.0100.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

eqc:RestrictedStockUnitsRSUsAndMarketBasedLongTermIncentivePlanUnits


Share
Period End2021-06-302021-03-312020-12-31
Value00.170
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0100.00.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross us-gaap:AwardType

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross

us-gaap:RestrictedStock


Stock
Period End2020-09-16
Value100000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardGross100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-06-302016-03-31
Value2.9146.6873.323.2683.3033.4083.7213.9275.1975.1425.3385.5755.5065.2264.6244.353
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-06-302016-03-31
Value2.6836.4052.9082.9062.9533.0783.3933.5854.8644.8125.015.2385.1934.9994.6244.351
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation92.195.887.688.989.490.391.291.393.693.693.994.094.395.7100.0100.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-06-302016-03-31
Value0.00.0060.00.00.0050.00.00.0050.00.0010.0020.00.0010.00.00.002
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation0.00.10.00.00.20.00.00.10.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-06-302016-03-31
Value0.2310.2760.4120.3620.3450.330.3280.3370.3330.3290.3260.3370.3120.2270.00.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation7.94.112.411.110.49.78.88.66.46.46.16.05.74.30.00.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue

eqc:ShareRepurchaseProgramMarch2017Authorization, us-gaap:CommonStock


Stock
Period End2020-11-30
Value69
Percentage of StockRepurchasedAndRetiredDuringPeriodValue100.0

eqc:ShareRepurchaseProgramMarch2018Authorization, us-gaap:CommonStock


Stock
Period End2020-11-30
Value19
Percentage of StockRepurchasedAndRetiredDuringPeriodValue27.7

us-gaap:StockRepurchasedDuringPeriodValue

us-gaap:StockRepurchasedDuringPeriodValue


Stock
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-06-302016-03-31
Value0.00.0-6.012260.00.00.1455.3424.0660.00.0892.9790.00.00.2090.025
Percentage of StockRepurchasedDuringPeriodValue0.00.0100.0100.00.00.0100.0100.0100.00.00.0100.0100.00.00.0100.00.0100.0

us-gaap:StockRepurchasedDuringPeriodValue us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock

eqc:ShareRepurchaseProgramMarch132019, us-gaap:CommonStock


Stock
Period End2020-12-31
Value0.0
Percentage of StockRepurchasedDuringPeriodValue0.0

us-gaap:StockRepurchasedDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-06-302016-03-31
Value0.00.0-6.01260.00.00.1455.344.0650.00.0892.9790.00.00.2090.025
Percentage of StockRepurchasedDuringPeriodValue0.00.0100.0100.00.00.0100.0100.0100.00.00.0100.0100.00.00.0100.00.0100.0

us-gaap:CommonStock


Stock
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-06-302016-03-31
Value0.00.0-0.0020.0090.00.00.00.0020.0010.00.00.030.00.00.00.00.00.01
Percentage of StockRepurchasedDuringPeriodValue0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StraightLineRent

us-gaap:StraightLineRent


Straight
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.5610.3070.0060.367-0.515-0.1980.069-0.4990.0110.8370.9861.4351.0221.5281.9383.5574.5434.3871.6992.9545.5993.8311.7431.9011.798-0.1872.3613.1971.2245.9775.1736.2588.8361010109.8998.0927.6517.806
Percentage of StraightLineRent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockAcquiredAverageCostPerShare us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock

us-gaap:TreasuryStockAcquiredAverageCostPerShare

eqc:ShareRepurchaseProgramMarch132019, us-gaap:CommonStock


Treasury
Period End2020-12-31
Value0
Percentage of TreasuryStockAcquiredAverageCostPerShare0.0

us-gaap:VariableLeaseIncome

us-gaap:VariableLeaseIncome


Variable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.9224.9124.9326.055.2655.3737.0317.01101011131415
Percentage of VariableLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eqc:AccumulatedAmortizationofCapitalLeaseIncentivesPropertiesHeldandUsedinOperations

eqc:AccumulatedAmortizationofCapitalLeaseIncentivesPropertiesHeldandUsedinOperations


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1371000.01073000.01393000.02054000.02680000.02498000.07459000.05392000.0
Percentage of AccumulatedAmortizationofCapitalLeaseIncentivesPropertiesHeldandUsedinOperations100.0100.0100.0100.0100.0100.0100.0100.0

eqc:BusinessAcquisitionConversionBasis us-gaap:BusinessAcquisition

eqc:BusinessAcquisitionConversionBasis

eqc:MonmouthRealEstateInvestmentCorporation


Business
Period End2021-05-04
Value0.67
Percentage of BusinessAcquisitionConversionBasis100.0

eqc:BusinessAcquisitionConversionBasis us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

eqc:MonmouthRealEstateInvestmentCorporation, us-gaap:SubsequentEvent


Business
Period End2021-05-04
Value0.67
Percentage of BusinessAcquisitionConversionBasis100.0

eqc:CapitalLeaseIncentivesFutureAmortizationExpenseAfterYearFive

eqc:CapitalLeaseIncentivesFutureAmortizationExpenseAfterYearFive


Capital
Period End2020-12-31
Value403000.0
Percentage of CapitalLeaseIncentivesFutureAmortizationExpenseAfterYearFive100.0

eqc:CapitalLeaseIncentivesFutureAmortizationExpenseYearFive

eqc:CapitalLeaseIncentivesFutureAmortizationExpenseYearFive


Capital
Period End2020-12-31
Value108000.0
Percentage of CapitalLeaseIncentivesFutureAmortizationExpenseYearFive100.0

eqc:CapitalLeaseIncentivesFutureAmortizationExpenseYearFour

eqc:CapitalLeaseIncentivesFutureAmortizationExpenseYearFour


Capital
Period End2020-12-31
Value151000.0
Percentage of CapitalLeaseIncentivesFutureAmortizationExpenseYearFour100.0

eqc:CapitalLeaseIncentivesFutureAmortizationExpenseYearOne

eqc:CapitalLeaseIncentivesFutureAmortizationExpenseYearOne


Capital
Period End2020-12-31
Value327000.0
Percentage of CapitalLeaseIncentivesFutureAmortizationExpenseYearOne100.0

eqc:CapitalLeaseIncentivesFutureAmortizationExpenseYearThree

eqc:CapitalLeaseIncentivesFutureAmortizationExpenseYearThree


Capital
Period End2020-12-31
Value267000.0
Percentage of CapitalLeaseIncentivesFutureAmortizationExpenseYearThree100.0

eqc:CapitalLeaseIncentivesFutureAmortizationExpenseYearTwo

eqc:CapitalLeaseIncentivesFutureAmortizationExpenseYearTwo


Capital
Period End2020-12-31
Value311000.0
Percentage of CapitalLeaseIncentivesFutureAmortizationExpenseYearTwo100.0

eqc:CapitalLeaseIncentivesGrossPropertiesHeldandUsedinOperations

eqc:CapitalLeaseIncentivesGrossPropertiesHeldandUsedinOperations


Capital
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value2.9383.1035.7018.56210112220
Percentage of CapitalLeaseIncentivesGrossPropertiesHeldandUsedinOperations100.0100.0100.0100.0100.0100.0100.0100.0

eqc:CapitalLeaseIncentivesNetPropertiesHeldandUsedinOperations

eqc:CapitalLeaseIncentivesNetPropertiesHeldandUsedinOperations


Capital
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1.5672.034.3086.5087.6649.1251515
Percentage of CapitalLeaseIncentivesNetPropertiesHeldandUsedinOperations100.0100.0100.0100.0100.0100.0100.0100.0

eqc:ConvertiblePreferredStockConversionRatio us-gaap:StatementClassOfStock

eqc:ConvertiblePreferredStockConversionRatio

us-gaap:SeriesDPreferredStock


Convertible
Period End2020-10-022019-10-082019-10-072018-10-102018-10-09
Value0.65850.58130.52150.52150.48078
Percentage of ConvertiblePreferredStockConversionRatio100.0100.0100.0100.0100.0

eqc:CumulativeCommonStockDistributions

eqc:CumulativeCommonStockDistributions


Cumulative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value428142834283428438523852385138513420342034203418311131113111311131113111311131113111311131113111311131113111311131113082
Percentage of CumulativeCommonStockDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eqc:CumulativePreferredStockDistributions

eqc:CumulativePreferredStockDistributions


Cumulative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value713711709707705703701699697695693693689687685683681679677675673657650643636629622622601573
Percentage of CumulativePreferredStockDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eqc:DeferredChargesFutureAmortizationExpenseAfterYearFive

eqc:DeferredChargesFutureAmortizationExpenseAfterYearFive


Deferred
Period End2020-12-31
Value2846000.0
Percentage of DeferredChargesFutureAmortizationExpenseAfterYearFive100.0

eqc:DeferredChargesFutureAmortizationExpenseYearFive

eqc:DeferredChargesFutureAmortizationExpenseYearFive


Deferred
Period End2020-12-31
Value1053000.0
Percentage of DeferredChargesFutureAmortizationExpenseYearFive100.0

eqc:DeferredChargesFutureAmortizationExpenseYearFour

eqc:DeferredChargesFutureAmortizationExpenseYearFour


Deferred
Period End2020-12-31
Value1304000.0
Percentage of DeferredChargesFutureAmortizationExpenseYearFour100.0

eqc:DeferredChargesFutureAmortizationExpenseYearOne

eqc:DeferredChargesFutureAmortizationExpenseYearOne


Deferred
Period End2020-12-31
Value2425000.0
Percentage of DeferredChargesFutureAmortizationExpenseYearOne100.0

eqc:DeferredChargesFutureAmortizationExpenseYearThree

eqc:DeferredChargesFutureAmortizationExpenseYearThree


Deferred
Period End2020-12-31
Value1754000.0
Percentage of DeferredChargesFutureAmortizationExpenseYearThree100.0

eqc:DeferredChargesFutureAmortizationExpenseYearTwo

eqc:DeferredChargesFutureAmortizationExpenseYearTwo


Deferred
Period End2020-12-31
Value2059000.0
Percentage of DeferredChargesFutureAmortizationExpenseYearTwo100.0

eqc:OperatingLeasesCommittedExpendituresOnLeasesExecutedInPeriodCommittedButUnspentTenantRelatedObligations

eqc:OperatingLeasesCommittedExpendituresOnLeasesExecutedInPeriodCommittedButUnspentTenantRelatedObligations


Operating
Period End2020-12-31
Value9600000.0
Percentage of OperatingLeasesCommittedExpendituresOnLeasesExecutedInPeriodCommittedButUnspentTenantRelatedObligations100.0

eqc:SECScheduleIIIRealEstateandAccumulatedDepreciationCarryingAmountofImpairment

eqc:SECScheduleIIIRealEstateandAccumulatedDepreciationCarryingAmountofImpairment


S
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value106.878222067113-517.231
Percentage of SECScheduleIIIRealEstateandAccumulatedDepreciationCarryingAmountofImpairment100.0100.0100.0100.0100.0100.0100.0

srt:RealEstateFederalIncomeTaxBasis

srt:RealEstateFederalIncomeTaxBasis


Real
Period End2020-12-31
Value393
Percentage of RealEstateFederalIncomeTaxBasis100.0

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value1921202525253738364262464442696375629587117120123121128149162163165
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableNet

us-gaap:AccountsReceivableNet


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value151414141314191919315150575593107115152152150169176174184209249248238238239223218274267253246236226217212203205191194
Percentage of AccountsReceivableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdvanceRent

us-gaap:AdvanceRent


Advance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value2.3732.9792.9281.8612.5212.1183.1273.5333.5545.1199.4518.18211
Percentage of AdvanceRent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionCostOfAcquiredEntityTransactionCosts us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionCostOfAcquiredEntityTransactionCosts

eqc:MonmouthRealEstateInvestmentCorporation


Business
Period End2021-06-30
Value4200000.0
Percentage of BusinessAcquisitionCostOfAcquiredEntityTransactionCosts100.0

us-gaap:DeferredCostsLeasingAccumulatedAmortization

us-gaap:DeferredCostsLeasingAccumulatedAmortization


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value109.928182241565846
Percentage of DeferredCostsLeasingAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCostsLeasingGross

us-gaap:DeferredCostsLeasingGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value21366985133166184146
Percentage of DeferredCostsLeasingGross100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCostsLeasingNet

us-gaap:DeferredCostsLeasingNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1126516392110126100
Percentage of DeferredCostsLeasingNet100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPayableCurrentAndNoncurrent

us-gaap:DividendsPayableCurrentAndNoncurrent


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302014-09-302013-12-31
Value2.855.072104385.7915.7917.5344352.7662.8724.0683090.00.06.9810.0
Percentage of DividendsPayableCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

eqc:RestrictedStockAndTimeBasedLongTermIncentivePlanUnits


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value6.97.25.97.18.18.35.97.08.28.66.17.59.79.3
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eqc:RestrictedStockUnitsRSUsAndMarketBasedLongTermIncentivePlanUnits


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value141611131518111416191215182114172125
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized208.7226.4194.9193.0196.3218.1198.3200.0203.7220.9203.3201.3186.60.0159.10.00.00.0

us-gaap:InvestmentBuildingAndBuildingImprovements

us-gaap:InvestmentBuildingAndBuildingImprovements


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3613613573553533515765725717041004100011171100155518411961239525702642307433993497355938344994501451455146516848384890644664416297633161275987578557465446524450185085
Percentage of InvestmentBuildingAndBuildingImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

eqc:TwoNorthRiversidePlazaJointVentureLimitedPartnership


Lessee
Period End2020-12-31
Value300000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceived

us-gaap:LessorOperatingLeasePaymentsToBeReceived


Lessor
Period End2020-12-31
Value218
Percentage of LessorOperatingLeasePaymentsToBeReceived100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears


Lessor
Period End2020-12-31
Value22
Percentage of LessorOperatingLeasePaymentsToBeReceivedFiveYears100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears


Lessor
Period End2020-12-31
Value25
Percentage of LessorOperatingLeasePaymentsToBeReceivedFourYears100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths


Lessor
Period End2020-12-31
Value35
Percentage of LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter


Lessor
Period End2020-12-31
Value68
Percentage of LessorOperatingLeasePaymentsToBeReceivedThereafter100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears


Lessor
Period End2020-12-31
Value32
Percentage of LessorOperatingLeasePaymentsToBeReceivedThreeYears100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears


Lessor
Period End2020-12-31
Value34
Percentage of LessorOperatingLeasePaymentsToBeReceivedTwoYears100.0

us-gaap:MinorityInterestOwnershipPercentageByParent us-gaap:Ownership

us-gaap:MinorityInterestOwnershipPercentageByParent

eqc:EQCOperatingTrust


Minority
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-312017-12-31
Value99.899.899.899.80.99960.99960.9997
Percentage of MinorityInterestOwnershipPercentageByParent100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLossCarryforwards

us-gaap:OperatingLossCarryforwards


Operating
Period End2020-12-312019-12-312018-12-312017-12-31
Value182590120
Percentage of OperatingLossCarryforwards100.0100.0100.0100.0

us-gaap:PreferredStockValue

us-gaap:PreferredStockValue


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312016-09-302015-12-31
Value1191191191191191190.0265
Percentage of PreferredStockValue100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:RealEstateAccumulatedDepreciation

us-gaap:RealEstateAccumulatedDepreciation


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value14320237545075589810308951007934850884862
Percentage of RealEstateAccumulatedDepreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value35757610041555257034975014483862975785
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfLand

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfLand


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value448513519128638971469915311458
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfLand100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements

us-gaap:RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value94107243276504540678553644573
Percentage of RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value2724757881304213330654798431957175396
Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfLand

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfLand


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value448512918628639476970915251468
Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfLand100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateGrossAtCarryingValue

us-gaap:RealEstateGrossAtCarryingValue


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value40166211391747285638875728553778297244635763236242
Percentage of RealEstateGrossAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1501471431421391362021971932453753703873794505545617057557518288808988849131066103098895693489587410901047100710451005969934932922887850884
Percentage of RealEstateInvestmentPropertyAccumulatedDepreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInvestmentPropertyAtCost

us-gaap:RealEstateInvestmentPropertyAtCost


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4054054013993973956626586568141139113812641247174720582194266428562935340237723887397242915699572858865894591555375631797979897829786376417485724471926887663763576323
Percentage of RealEstateInvestmentPropertyAtCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInvestmentPropertyNet

us-gaap:RealEstateInvestmentPropertyNet


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value254258258257258259459460463569763767876867129615031633195921012183257428912988308833784633469748984938498046424757688869426821681766366515631062595964575055065439
Percentage of RealEstateInvestmentPropertyNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

eqc:RestrictedStockAndTimeBasedLongTermIncentivePlanUnits


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value31.5229.9528.727.4126.7926.6226.66
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0

eqc:RestrictedStockUnitsRSUsAndMarketBasedLongTermIncentivePlanUnits


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value15.6515.5715.4715.6915.7515.8215.99
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue49.752.053.957.258.859.460.0

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 us-gaap:StatementClassOfStock

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:CommonStock


Stock
Period End2020-12-31
Value150
Percentage of StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1100.0

Line plots across dimensions of each concept


us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
(None,)
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amountus-gaap: Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities
us-gaap:ProfitLoss
us-gaap:StatementEquityComponents
(None,)
Profit Lossus-gaap: Statement Equity Components
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
(None,)
Stockholders Equity Including Portion Attributable To Noncontrolling Interestus-gaap: Statement Equity Components
us-gaap:ProfitLoss
us-gaap:StatementEquityComponents
(None,)
Profit Lossus-gaap: Statement Equity Components
us-gaap:Dividends
us-gaap:StatementEquityComponents
(None,)
Dividendsus-gaap: Statement Equity Components