OFC


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

Table of contents



us-gaap:CommonStockValue
us-gaap:ConsolidatedEntities

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
us-gaap:ConsolidatedEntities

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
us-gaap:ConsolidatedEntities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:ConsolidatedEntities, us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:EarningsPerShareBasic
us-gaap:ConsolidatedEntities

us-gaap:EarningsPerShareDiluted
us-gaap:ConsolidatedEntities

us-gaap:ComprehensiveIncomeNetOfTax
us-gaap:ConsolidatedEntities

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
us-gaap:ConsolidatedEntities

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
us-gaap:ConsolidatedEntities

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostsAndExpenses
us-gaap:ConsolidatedEntities
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal

us-gaap:GainsLossesOnExtinguishmentOfDebt
us-gaap:ConsolidatedEntities
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:ProductOrService
us-gaap:GrossProfit

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
us-gaap:ConsolidatedEntities

us-gaap:IncomeTaxExpenseBenefit
us-gaap:ConsolidatedEntities

us-gaap:InterestExpense
us-gaap:ConsolidatedEntities

us-gaap:InterestPaidNet
us-gaap:ConsolidatedEntities

us-gaap:NetIncomeLoss
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
us-gaap:ConsolidatedEntities

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted
us-gaap:ConsolidatedEntities
us-gaap:ProductOrService
us-gaap:OperatingIncomeLoss
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:PreferredStockDividendsIncomeStatementImpact

us-gaap:ProfitLoss
us-gaap:ConsolidatedEntities

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidatedEntities
us-gaap:ContractWithCustomerBasisOfPricing
us-gaap:ProductOrService

us-gaap:Revenues
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

us-gaap:SellingGeneralAndAdministrativeExpense
us-gaap:ConsolidatedEntities

us-gaap:Assets
dei:LegalEntity, us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:ProductOrService
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

us-gaap:Liabilities
dei:LegalEntity, us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidatedEntities

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:ConsolidatedEntities

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:ConsolidatedEntities

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
us-gaap:ConsolidatedEntities

us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:ConsolidatedEntities
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:DeferredTaxAssetsLiabilitiesNet
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:ConsolidatedEntities

us-gaap:OtherAssets
us-gaap:ConsolidatedEntities

us-gaap:LongTermDebt
us-gaap:ConsolidatedEntities
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType

us-gaap:MinorityInterest
us-gaap:ConsolidatedEntities

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue
us-gaap:ConsolidatedEntities

us-gaap:AdditionalPaidInCapital

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:ConsolidatedEntities

us-gaap:MinorityInterest
us-gaap:ConsolidatedEntities

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:NetCashProvidedByUsedInOperatingActivities
us-gaap:ConsolidatedEntities

us-gaap:NetCashProvidedByUsedInInvestingActivities
us-gaap:ConsolidatedEntities

us-gaap:NetCashProvidedByUsedInFinancingActivities
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
us-gaap:ConsolidatedEntities

us-gaap:DepreciationDepletionAndAmortization
us-gaap:ConsolidatedEntities

us-gaap:IncreaseDecreaseInAccountsReceivable
us-gaap:ConsolidatedEntities

us-gaap:NetCashProvidedByUsedInOperatingActivities
us-gaap:ConsolidatedEntities

us-gaap:NetIncomeLoss
us-gaap:ConsolidatedEntities

us-gaap:ProfitLoss
us-gaap:ConsolidatedEntities

us-gaap:ShareBasedCompensation
us-gaap:ConsolidatedEntities

us-gaap:NetCashProvidedByUsedInInvestingActivities
us-gaap:ConsolidatedEntities

us-gaap:NetCashProvidedByUsedInFinancingActivities
us-gaap:ConsolidatedEntities

us-gaap:PaymentsOfDividendsCommonStock
us-gaap:ConsolidatedEntities

us-gaap:Dividends
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:ConsolidatedEntities
dei:LegalEntity
us-gaap:DeferredTaxAssetsValuationAllowance

ofc:AdjustmenttoEquitytoArriveatFairValueofRedeemableNoncontrollingInterest
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
ofc:BasisPointUsedInDeterminingRedemptionPricePriorToMaturity

ofc:BusinessDevelopmentExpensesAndLandCarryCosts
us-gaap:ConsolidatedEntities

ofc:ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

ofc:ConstructionContractAndOtherServiceExpenses
us-gaap:ConsolidatedEntities

ofc:ConstructionContractAndOtherServiceExpensesPaid
us-gaap:ConsolidatedEntities

ofc:ConstructionContractAndOtherServiceRevenuesReceived
us-gaap:ConsolidatedEntities

ofc:CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLossCumulativeEffectofChangeforAdoptionofCreditLossGuidance
us-gaap:CumulativeEffectPeriodOfAdoption

ofc:CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLossExpenseReversal
us-gaap:ConsolidatedEntities

ofc:DepreciationAndAmortizationForRealEstateOperations

ofc:DilutiveSecuritiesEffectonBasicEarningsPerShareDilutiveRedeemableNoncontrollingInterests

ofc:EquityChangeAdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest

ofc:EquityChangeStockIssuedDuringPeriodValueConversionOfUnits
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
ofc:FinancingReceivableAllowanceforCreditLossCumulativeEffectofChangeforAdoptionofCreditLossGuidance

ofc:GeneralandAdministrativeLeasingBusinessDevelopmentandLandCarryPaid
us-gaap:ConsolidatedEntities

ofc:IncomeLossfromEquityMethodInvestmentsAllocabletoDepreciationAmortizationandInterestExpense

ofc:IncomeLossinNonRealEstateEquityMethodInvestments

ofc:IncreaseDecreaseInAccruedCapitalImprovementsLeasingAndOtherInvestingActivityCosts
us-gaap:ConsolidatedEntities

ofc:IncreaseDecreaseInAdvanceRentAndSecurityDepositLiability
us-gaap:ConsolidatedEntities

ofc:IncreaseDecreaseInFairValueOfDerivativesAppliedToAoclAndNoncontrollingInterests
us-gaap:ConsolidatedEntities

ofc:IncrementalCommonSharesAttributabletoDilutiveEffectofRedeemableNoncontrollingInterests
us-gaap:ConsolidatedEntities, us-gaap:PreferredUnitsByName
ofc:LimitedPartnerPreferredUnitsConversionRatetoShares

ofc:MinorityInterestDecreaseFromDistributionsIncludingJointVentures
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

ofc:MinorityInterestDecreaseFromDistributionsToOperatingPartnershipNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

ofc:MinorityInterestInNetIncomeLossOtherIncludingJointVenturesMinorityInterests

ofc:MinorityInterestIncreaseFromContributionsIncludingJointVentures
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

ofc:NetIncomeLossAvailableToCommonStockholdersIncludingParticipatingSecurities
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents
ofc:NoncontrollingInterestIncreaseDecreaseFromChangesInOwnership

ofc:OffBalanceSheetCreditLossExposureAllowanceforCreditLossCumulativeEffectofChangeforAdoptionofCreditLossGuidance

ofc:OffBalanceSheetCreditLossExposureCreditLossExpenseReversal

ofc:OtherAdjustment
us-gaap:StatementEquityComponents

ofc:OtherComprehensiveIncomeLossCashFlowHedgeReclassificationForDiscontinuanceafterTax
us-gaap:ConsolidatedEntities
us-gaap:DerivativeInstrumentRisk

ofc:PaymentsForSalesTypeLeaseCosts

ofc:PaymentsofDistributionsRedeemableNoncontrollingInterest
us-gaap:ConsolidatedEntities

ofc:PaymentsofLeaseIncentives
us-gaap:ConsolidatedEntities
dei:LegalEntity
ofc:PercentageOfCumulativePreferredReturnsOfCashFlowsOnEntityInvestedCapital
dei:LegalEntity
ofc:PercentageOfCumulativePreferredReturnsOfCashFlowsOnPartnersInvestedCapital
dei:LegalEntity
ofc:PercentageOfResidualDistributableCashFlowsEntitledInExcessOfUnpaidCumulativePreferredReturnsAndReturnOfInvestedCapital
dei:LegalEntity
ofc:PercentageOfResidualDistributableCashFlowsEntitledInExcessOfUnpaidCumulativePreferredReturnsAndReturnOfInvestedCashRelatedToRealEstatePartner

ofc:PropertyOperatingExpensesPaid
us-gaap:ConsolidatedEntities

ofc:RevenuesFromRealEstateOperationsReceived
us-gaap:ConsolidatedEntities

ofc:ScheduledPrincipalAmortizationRepaymentsOfLongTermDebt
us-gaap:ConsolidatedEntities
us-gaap:ProductOrService
ofc:SegmentReportingTransfersFromNonOperatingProperties
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:AwardType
ofc:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAggregateFairValue
us-gaap:TitleOfIndividual, us-gaap:AwardType
us-gaap:TitleOfIndividual, us-gaap:AwardType, us-gaap:PlanName
ofc:SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedinPeriodPercentageofTarget

ofc:UnconsolidatedJointVentureNetOperatingIncomeAllocabletoParent
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

us-gaap:AmortizationOfFinancingCostsAndDiscounts
us-gaap:ConsolidatedEntities

us-gaap:AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits

us-gaap:AssetImpairmentCharges
us-gaap:ConsolidatedEntities
us-gaap:ProductOrService
us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:ProductOrService
us-gaap:ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod

us-gaap:CostOfOtherPropertyOperatingExpense
us-gaap:ConsolidatedEntities
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

us-gaap:DepreciationAndAmortization
us-gaap:ConsolidatedEntities

us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:ConsolidatedEntities
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentRealizedGainLossOnDisposal

us-gaap:FinanceLeasePrincipalPayments
us-gaap:IncomeStatementLocation
us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:GainLossOnDerivativeInstrumentsNetPretax
us-gaap:ConsolidatedEntities
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:GainLossOnDispositionOfAssets1
us-gaap:ConsolidatedEntities

us-gaap:GainLossOnSaleOfProperties
us-gaap:ConsolidatedEntities
us-gaap:StatementGeographical
us-gaap:ImpairmentOfRealEstate
us-gaap:StatementGeographical, us-gaap:FairValueByMeasurementFrequency

us-gaap:IncomeLossFromEquityMethodInvestments
us-gaap:ConsolidatedEntities

us-gaap:IncreaseDecreaseInOperatingLiabilities
us-gaap:ConsolidatedEntities

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
us-gaap:ConsolidatedEntities

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
us-gaap:ConsolidatedEntities

us-gaap:InterestCostsCapitalized

us-gaap:LeaseCost
ofc:UnitsByName, us-gaap:ConsolidatedEntities, us-gaap:Ownership
us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest
us-gaap:ConsolidatedEntities, us-gaap:Ownership, us-gaap:StatementEquityComponents

us-gaap:MinorityInterestChangeInRedemptionValue
us-gaap:ConsolidatedEntities

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest

us-gaap:NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable

us-gaap:NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersNonredeemable
us-gaap:StatementEquityComponents
us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance
us-gaap:IncomeStatementLocation
us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseLeaseIncome
us-gaap:ConsolidatedEntities

us-gaap:OperatingLeaseLeaseIncomeLeasePayments

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeaseVariableLeaseIncome

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax
us-gaap:ConsolidatedEntities

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
us-gaap:ConsolidatedEntities
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:OtherNoncashIncomeExpense
us-gaap:ConsolidatedEntities

us-gaap:OtherNonoperatingIncome
us-gaap:ConsolidatedEntities

us-gaap:OtherOperatingActivitiesCashFlowStatement
us-gaap:ConsolidatedEntities

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic
us-gaap:ConsolidatedEntities

us-gaap:PartnersCapitalAccountRedemptions
us-gaap:StatementEquityComponents

us-gaap:PaymentsForCapitalImprovements
us-gaap:ConsolidatedEntities

us-gaap:PaymentsForDerivativeInstrumentInvestingActivities
us-gaap:ConsolidatedEntities
us-gaap:DerivativeInstrumentRisk

us-gaap:PaymentsForLeasingCosts
us-gaap:ConsolidatedEntities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities
us-gaap:ConsolidatedEntities

us-gaap:PaymentsForTenantImprovements
us-gaap:ConsolidatedEntities

us-gaap:PaymentsOfDebtExtinguishmentCosts
us-gaap:ConsolidatedEntities

us-gaap:PaymentsOfDividendsMinorityInterest

us-gaap:PaymentsOfFinancingCosts
us-gaap:ConsolidatedEntities

us-gaap:PaymentsToAcquireNotesReceivable
us-gaap:ConsolidatedEntities

us-gaap:PaymentsToDevelopRealEstateAssets
us-gaap:ConsolidatedEntities

us-gaap:ProceedsFromDistributionsReceivedFromRealEstatePartnerships
us-gaap:ConsolidatedEntities
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:ProceedsFromDivestitureOfBusinesses
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:DisposalGroupClassification, us-gaap:SubsequentEventType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:ProceedsFromIssuanceOfDebt

us-gaap:ProceedsFromIssuanceOfOtherLongTermDebt
us-gaap:ConsolidatedEntities

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt
us-gaap:ConsolidatedEntities

us-gaap:ProceedsFromLongTermLinesOfCredit
us-gaap:ConsolidatedEntities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
us-gaap:ConsolidatedEntities
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:ProceedsFromSaleOfEquityMethodInvestments
us-gaap:ProductOrService
us-gaap:PropertyPlantAndEquipmentAdditions
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:ProvisionForDoubtfulAccounts
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:ProvisionForLoanLossesExpensed

us-gaap:RepaymentsOfLongTermLinesOfCredit
us-gaap:ConsolidatedEntities

us-gaap:RepaymentsOfSeniorDebt
us-gaap:ConsolidatedEntities

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:ConsolidatedEntities
ofc:AwardLevel, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:TitleOfIndividual, us-gaap:AwardType
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:TitleOfIndividual, us-gaap:AwardType
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested
us-gaap:TitleOfIndividual, us-gaap:AwardType
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueConversionOfUnits
us-gaap:ConsolidatedEntities, us-gaap:PreferredUnitsByName
us-gaap:StockRedeemedOrCalledDuringPeriodValue

us-gaap:StockRepurchasedDuringPeriodValue
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:StraightLineRent
us-gaap:ConsolidatedEntities
dei:LegalEntity, us-gaap:ConsolidatedEntities
us-gaap:VariableInterestEntityOwnershipPercentage
us-gaap:IncomeStatementLocation
us-gaap:VariableLeaseCost

ofc:AdvanceRentAndSecurityDepositLiability
us-gaap:ConsolidatedEntities

ofc:ApproximateAmountbywhichNetBasisofAssetsandLiabilitiesforTaxReportingPurposesisHigherLowerthanAmountReportedonConsolidatedBalanceSheet

ofc:CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLoss
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
ofc:DebtInstrumentAmountPaidToRepurchase
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
ofc:DebtInstrumentAmountRepurchasedAsAPercentageOfTotalOutstanding
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
ofc:DebtInstrumentOfferingPriceAsPercentageOfFaceValue

ofc:DebtInstrumentUnamortizedDiscountPremiumandDeferredFinancingCostsNet
us-gaap:DebtInstrument

ofc:DeferredFinancingandDerivativeCosts
us-gaap:ConsolidatedEntities
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
ofc:EquityMethodInvestmentOwnershipPercentageSoldPartialInterestOfTotalInterestOwned
dei:LegalEntity, us-gaap:Range
ofc:InfrastructureCostsAnticipatedToBeFunded
dei:LegalEntity, us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
ofc:InfrastructureCostsFundedtoDatebyEntityforReimbursement

ofc:LeaseLiabilities

ofc:LeaseRightofUseAssets

ofc:LesseeLeaseLiabilityImputedInterest

ofc:LesseeLeaseLiabilityPaymentsDue

ofc:LesseeLeaseLiabilityPaymentsDueNextTwelveMonths

ofc:LesseeLeaseLiabilityPaymentsDueYearFive

ofc:LesseeLeaseLiabilityPaymentsDueYearFour

ofc:LesseeLeaseLiabilityPaymentsDueYearThree

ofc:LesseeLeaseLiabilityPaymentsDueYearTwo

ofc:LesseeLeaseLiabilityPaymentsDueafterYearFive

ofc:LesseeLeaseLiabilityPaymentsDueafterYearFour

ofc:LesseeLeaseLiabilityPaymentsRemainderofFiscalYear

ofc:LesseeOperatingLeaseLiabilitytobePaidafterYearFour

ofc:LesseeRightofUseAsset
us-gaap:StatementGeographical
us-gaap:StatementGeographical, us-gaap:InvestmentType
us-gaap:Subsegments

ofc:LessorOperatingLeasePaymenttobeReceivedafterYearFour

ofc:NonrealEstateEquityInvestments
us-gaap:ConsolidatedEntities
us-gaap:DerivativeInstrumentRisk
ofc:NotionalAmountOfDiscontinuationOfCashFlowHedgeDueToForecastedTransactionNotProbableOfOccurring

ofc:OffBalanceSheetCreditLossExposureAllowanceforCreditLoss
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
ofc:OwnershipPercentageSold
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:DisposalGroupClassification, us-gaap:SubsequentEventType

ofc:RevenueRemainingPerformanceObligationAmounttobeRecognizedDuringtheRemainderoftheYear
us-gaap:ProductOrService
us-gaap:AwardType
ofc:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOutstandingWeightedAverageGrantDateFairValue
us-gaap:AwardType
ofc:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsBaselineCommonShareValue

srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

srt:RealEstateFederalIncomeTaxBasis

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:AccountsReceivableNet
us-gaap:ConsolidatedEntities
us-gaap:ProductOrService

us-gaap:AccumulatedDistributionsInExcessOfNetIncome
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:AllowanceForDoubtfulAccountsReceivable
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:BalanceSheetLocation
us-gaap:BalanceSheetLocation, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:AssetsNeededForImmediateSettlementAggregateFairValue

us-gaap:ContractWithCustomerAssetNet
us-gaap:ConsolidatedEntities
us-gaap:ProductOrService
us-gaap:ProductOrService
us-gaap:ContractWithCustomerLiability
us-gaap:CounterpartyName, us-gaap:GuaranteeObligationsByNature, us-gaap:OtherCommitments
us-gaap:ContractualObligation

us-gaap:DebtInstrumentCarryingAmount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentInterestRateEffectivePercentage
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentRepurchasedFaceAmount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:DebtInstrument
us-gaap:DebtInstrumentUnamortizedDiscount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentUnamortizedPremium
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:VariableRate
us-gaap:DebtInstrumentUnusedBorrowingCapacityAmount
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:DebtWeightedAverageInterestRate
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent
us-gaap:FairValueByMeasurementFrequency

us-gaap:DeferredCompensationPlanAssets
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType
us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType
us-gaap:TitleOfIndividual, us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensation, us-gaap:FairValueByMeasurementFrequency

us-gaap:DeferredCostsLeasingAccumulatedAmortization
us-gaap:ConsolidatedEntities

us-gaap:DeferredCostsLeasingNet
us-gaap:ConsolidatedEntities
us-gaap:LongtermDebtType
us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredRentReceivablesNet
us-gaap:ConsolidatedEntities

us-gaap:DeferredRevenueLeasesNet
us-gaap:ConsolidatedEntities
dei:LegalEntity
us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeFairValueOfDerivativeLiability

us-gaap:DerivativeLiabilities
us-gaap:ConsolidatedEntities
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeNotionalAmount

us-gaap:DevelopmentInProcess
us-gaap:ConsolidatedEntities
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DisposalGroupIncludingDiscontinuedOperationConsideration
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:DisposalGroupClassification, us-gaap:SubsequentEventType

us-gaap:DividendsPayableCurrentAndNoncurrent
us-gaap:ConsolidatedEntities
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:DisposalGroupClassification, us-gaap:SubsequentEventType
us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:FinanceLeaseRightOfUseAsset
us-gaap:ConsolidatedEntities
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableAccruedInterestAfterAllowanceForCreditLoss

us-gaap:FinancingReceivableAllowanceForCreditLosses
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedInCurrentFiscalYear
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:IncentiveToLessee
us-gaap:ConsolidatedEntities
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk
us-gaap:InterestRateCashFlowHedgeAssetAtFairValue
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk
us-gaap:InterestRateCashFlowHedgeLiabilityAtFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:InterestRateDerivativeAssetsAtFairValue
us-gaap:FairValueByMeasurementFrequency
us-gaap:ConsolidatedEntities, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:InterestRateDerivativeLiabilitiesAtFairValue
us-gaap:ConsolidatedEntities, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:InterestRateDerivativesAtFairValueNet
us-gaap:HedgingDesignation

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LessorOperatingLeasePaymentsToBeReceived

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths

us-gaap:LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:DebtInstrument, us-gaap:FairValueByMeasurementBasis
us-gaap:LongTermDebtFairValue
us-gaap:FairValueByMeasurementBasis

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LossContingencyEstimateOfPossibleLoss
us-gaap:ConsolidatedEntities, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:MarketableSecurities
us-gaap:ConsolidatedEntities, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:MinorityInterestInOperatingPartnerships
us-gaap:FinancialInstrument
us-gaap:NotesReceivableFairValueDisclosure
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:NotesReceivableGross
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:ConsolidatedEntities, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:NotesReceivableNet
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
dei:LegalEntity
us-gaap:OperatingLossCarryforwards
us-gaap:ConsolidatedEntities, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType
us-gaap:OtherAssetsFairValueDisclosure
us-gaap:ConsolidatedEntities, us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType
us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType

us-gaap:OtherLiabilities
us-gaap:ConsolidatedEntities

us-gaap:OtherMinorityInterests
dei:LegalEntity, us-gaap:ConsolidatedEntities
us-gaap:PledgedAssetsNotSeparatelyReportedRealEstate
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:PreferredUnitsByName
us-gaap:PreferredStockRedemptionPricePerShare

us-gaap:PrepaidExpenseAndOtherAssets
us-gaap:ConsolidatedEntities

us-gaap:PrepaidExpenseCurrentAndNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:RealEstateAccumulatedDepreciation

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfLand

us-gaap:RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfLand

us-gaap:RealEstateGrossAtCarryingValue
ofc:RealEstatePropertyClassification
us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation

us-gaap:RealEstateInvestmentPropertyNet
us-gaap:ConsolidatedEntities

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount
us-gaap:ConsolidatedEntities

us-gaap:RedeemableNoncontrollingInterestEquityFairValue

us-gaap:RentalProperties
ofc:RealEstatePropertyClassification
us-gaap:ConsolidatedEntities

us-gaap:RestrictedCash
us-gaap:ConsolidatedEntities

us-gaap:RevenueRemainingPerformanceObligation
us-gaap:ProductOrService

us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivable

us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived

us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFiveYears

us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears

us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths

us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedRemainderOfFiscalYear

us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThereafter

us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears

us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears

us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivableUndiscountedExcessAmount

us-gaap:SalesTypeLeaseNetInvestmentInLease
us-gaap:ConsolidatedEntities
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Income Tax Expense Benefit
Balance Sheet
Intangible Assets Net Excluding Goodwill
Assets
Other Assets
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Property Plant And Equipment Net
Liabilities
Derivative Liabilities
Noncurrent Liabilities
Minority Interest
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Increase Decrease In Prepaid Deferred Expense And Other Assets
NetCashProvidedByUsedInInvestingActivities
Payments For Proceeds From Other Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
DividendsAndRepurchase
Payments For Repurchase Of Common Stock
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Remainder Of Fiscal Year

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ███████████▇▇▆▆▆▆▆▆▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▃▂▂▂▂▂▂▁▁1.1231.1231.1221.1221.1221.1221.1211.1211.1191.1191.1021.0881.0331.0221.0130.9960.9950.9940.9850.9480.9470.9470.9450.9450.9460.9450.9330.8770.8770.8760.8740.8740.8580.8580.8090.7220.7210.720.720.720.7190.6710.669NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁112.404111.888NA111.811112.121111.963NA111.943113.105110.218NA104.788101.908101.143NA99.25899.19698.566NA94.51494.394.298NA94.60894.16393.397NA87.48587.41587.192NA86.7689.22681.449NA71.68871.64971.458NA71.31272.82870.736NA58.95258.91NA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁111.974111.888NA111.811111.8111.724NA111.582111.557109.951NA104.379101.789100.999NA99.11299.03698.411NA94.43394.394.203NA94.15394.12893.199NA87.2987.21487.08NA86.7685.42581.397NA71.68871.62471.458NA71.31268.44666.34NA58.65658.489NA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities ofc:ExchangeableCommonUnits█▁1.2621.246NA1.241.2371.226NA1.3121.3271.331NA2.1353.1973.221NA3.353.4053.446NA3.5913.6763.677NA3.6793.683.732NA3.8763.9123.958NA3.8040.03.893NA4.2334.2554.281NA4.3360.04.396NA4.4534.558NA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities ofc:RedeemableNoncontrollingInterest▁█0.7760.94NA0.9730.8781.011NA0.9750.01.013NA0.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities ofc:RestrictedStockandDeferredShares█▁0.420.419NA0.4290.4290.44NA0.4360.4250.463NA0.4550.4580.444NA0.4450.4550.392NA0.3750.4030.405NA0.4110.4260.4NA0.4010.42NANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities ofc:SeriesIPreferredUnitsNANANA0.1760.1760.176NA0.1760.00.176NA0.1760.1760.176NA0.1760.176NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities ofc:UnvestedTBPIUs█▁0.1660.131NA0.0910.090.075NA0.0620.0590.019NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:ConsolidatedEntities,us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities srt:Subsidiaries,ofc:RedeemableNoncontrollingInterestNANANA0.9730.8781.011NA0.9750.01.013NA0.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:ConsolidatedEntities,us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities srt:Subsidiaries,ofc:RestrictedStockandDeferredSharesNANANA0.4290.4290.44NA0.4360.4250.463NA0.4550.4580.444NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:ConsolidatedEntities,us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities srt:Subsidiaries,ofc:SeriesIPreferredUnitsNANANA0.1760.1760.176NA0.1760.00.176NA0.1760.1760.176NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:ConsolidatedEntities,us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities srt:Subsidiaries,ofc:UnvestedTBPIUsNANANA0.0910.090.075NA0.0620.0590.019NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasic ▆▅▇▄▆▆▆▆█▆▅▆▆▅▅▆▅▆▆▆▃▅▇█▅▅▅▆▅▅█▅▄▅▅▄▅▅▁▅▄▄▆▅▅▅0.38-0.060.73-0.290.210.210.380.190.950.190.160.180.190.170.10.210.080.180.220.25-0.540.030.590.910.130.10.010.220.020.00.94-0.09-0.160.110.16-0.390.090.04-1.210.03-0.42-0.330.180.080.070.1
us-gaap:EarningsPerShareDiluted ▆▅▇▄▆▆▆▆█▆▅▆▆▅▅▆▅▆▆▆▃▅▇█▅▅▅▆▅▅█▅▄▅▅▄▅▅▁▅▄▄▆▅▅▅0.38-0.060.73-0.290.210.210.380.190.950.190.160.180.190.170.10.210.080.180.220.25-0.540.030.590.910.130.10.010.220.020.00.94-0.09-0.160.110.16-0.390.090.04-1.210.03-0.42-0.330.180.080.070.1
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 Cost Ratio us-gaap:ConsolidatedEntities srt:SubsidiariesNANA164.028154.766144.774145.797157.785159.431175.07148.94138.482137.411146.743155.476NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidatedEntities srt:SubsidiariesNANA164.028154.766144.774145.797157.785159.431175.07148.94138.482137.411146.743155.476NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin us-gaap:ConsolidatedEntities srt:SubsidiariesNANA164.028154.766144.774145.797157.785159.431175.07148.94138.482137.411146.743155.476164.567157.017151.435139.801NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ProductOrService ofc:RealEstateOperations██▆▄▃▃▃▂▃▃▂▂▂▁▁▁144.423145.164139.628134.443132.538132.116131.968130.734132.771131.99130.825128.988129.162128.278127.685127.231NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ofc:RealEstateOperations,ofc:DefenseandTechnologyLocations██▆▅▄▄▄▃▄▄▃▂▂▂▂▁118.53119.65115.78112.709110.244108.786110.554107.957108.452108.523106.774104.932105.227104.12103.483102.17NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ofc:RealEstateOperations,ofc:RegionalOffice█▇▃▃▃▄▁▄▃▃▄▄▄▄▅▇16.88416.67715.09214.91315.16215.4614.25215.50815.01814.83315.32915.27215.29615.28415.86816.656NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ofc:RealEstateOperations,ofc:WholesaleDataCenter▇▇▇▁▂▄▂▂█▆▆▆▇▇▆▅8.1758.098.0936.0686.4557.1726.4096.5658.567.8717.9297.7818.1058.0777.6747.398NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ofc:RealEstateOperations,us-gaap:AllOtherSegments▅▄▃▄▃▃▄▄▄▄▅█▁▅▃█0.8340.7470.6630.7530.6770.6980.7530.7040.7410.7630.7931.0030.5340.7970.661.007NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments ofc:RealEstateOperations,ofc:DefenseandTechnologyLocations,ofc:DataCenterShells▇█▇▇▅▃▁▃█▆▅▄▃▃▄▄8.078.7878.4917.9957.0765.5774.685.9138.6247.3547.1756.6895.9555.8316.3226.676NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments ofc:RealEstateOperations,ofc:DefenseandTechnologyLocations,ofc:FortMeadeandBaltimoreWashingtonCorridor▆█▄▄▃▅▆▄▂▃▃▁▂▃▂▁64.8466.44663.73363.32862.69864.43865.00363.43661.65962.68362.75661.39661.99362.78262.2261.254NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments ofc:RealEstateOperations,ofc:DefenseandTechnologyLocations,ofc:LacklandAirForceBase▆▄▅▄▅▃█▄▃▂▁▁▄▂▂▁13.68812.55513.04712.60213.25712.07614.77212.70312.10411.56111.20711.25412.38211.44311.52211.024NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments ofc:RealEstateOperations,ofc:DefenseandTechnologyLocations,ofc:NavySupportLocations███▅▆▇▆▆▆▆▅▄▆▄▂▁8.4458.3988.4038.0068.1198.3418.1368.1838.1858.1558.0317.8998.1277.877.5877.494NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments ofc:RealEstateOperations,ofc:DefenseandTechnologyLocations,ofc:NorthernVirginia▇██▇▆▅▄▄▅▇▅▅▃▂▁▁14.71215.21114.99314.69914.44713.67813.44813.55113.91214.83113.87913.9613.11812.56112.12612.19NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments ofc:RealEstateOperations,ofc:DefenseandTechnologyLocations,ofc:RedstoneArsenal█▇▆▄▂▃▂▂▂▂▁▁▁▁▁▁8.7758.2537.1136.0794.6474.6764.5154.1713.9683.9393.7263.7343.6523.6333.7063.532NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 SG&A Ratio us-gaap:ConsolidatedEntities srt:SubsidiariesNANA164.028154.766144.774145.797157.785159.431175.07148.94138.482137.411146.743155.476NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:ComprehensiveIncomeNetOfTax ▆▃█▅▅▃▆▄█▄▄▅▅▅▄▅▄▅▅▅▁▃▇█▄▄▄▅▄▄█▃▄▄▅▃▄▄▁▃▂▃▄▄▄43.377-4.90383.05922.1221.185-12.70351.92110.14292.86411.5596.67419.79321.24221.91112.98421.2217.06922.71639.31628.697-52.269-3.19862.34987.11816.58710.7052.73724.3515.0583.33287.571-3.6712.67716.04523.773-21.7829.1396.193-55.32-12.918-31.069-16.88416.8088.2367.5NA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▅▅▆▅▅▅▆▅▆▅▅▅▅▅▅▅▅▅▆▆▄▅▆▇▅▅▅▆▅▅█▅▅▄▃▃▅▄▁▄▃▄1.4840.7831.9451.1731.5560.6792.291.752.5971.3441.3081.6471.7081.791.4971.7761.3181.782.422.025-1.0850.883.3914.4531.5421.3290.9971.9681.0810.9115.7310.9481.4220.352-1.132-1.1111.0110.271-4.883-0.302-2.233-0.714NANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▆▃█▅▅▃▆▄█▄▄▅▅▅▄▅▅▅▆▅▁▄▇█▄▄▄▅▄▄█▄▄▄▅▃▄▄▁▃▂▃▄▄▄44.861-4.1285.00423.29322.741-12.02454.21111.89295.46112.9037.98221.4422.9523.70114.48122.99618.38724.49641.73630.722-53.354-2.31865.7491.57118.12912.0343.73426.3196.1394.24393.302-2.7234.09916.39722.641-22.89310.156.464-58.698-13.22-33.302-17.59818.1288.2838.108NA
us-gaap:CostOfGoodsAndServicesSold █▁19.08215.793NANA11.71113.12124.83227.80241.00216.3267.1118.05816.94126.21636.02928.788NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CostsAndExpenses ▄▄▄▄▃▃▄▄▅▄▃▃▃▄▆▄▄▃▃▅█▄▄▄▅▅▄▄▃▄▁▄▃▃▃▆▃▄█▃▆▆▅▂▃▄121.847119.588123.19116.195104.947104.32119.339121.428133.946110.431105.501100.059108.439119.585139.72118.078114.817104.368104.549130.578172.948113.843123.27118.751132.892130.459109.823115.593107.984121.46173.838114.70899.56695.34103.895138.69697.562112.612168.813108.749148.268139.55123.90494.82899.773118.185
 us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:DisposalGroupClassification,us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations,ofc:DataCenterShellsinNorthernVirginiaNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GainsLossesOnExtinguishmentOfDebt ▃▁██-25.228-33.166-4.069-3.237NANANANANANA-0.2580.00.0NA0.00.0-0.5130.0-1.073-0.0590.0050.017-0.40285.745-0.065-0.003-9.106-0.176-0.270.0-0.002-0.374-21.47-5.184-0.006-0.768-0.1690.0-0.003-1.655-0.025NANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:ConsolidatedEntities srt:SubsidiariesNANA-4.069-3.237NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType ofc:A3.70SeniorNotes,us-gaap:SeniorNotesNANA10.5-3.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType ofc:A360SeniorNotesAnd525SeniorNotes,us-gaap:SeniorNotes▁█25.233.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType,us-gaap:SubsequentEventType ofc:A3.70SeniorNotes,us-gaap:SeniorNotes,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType,us-gaap:SubsequentEventType ofc:A360SeniorNotesAnd525SeniorNotes,us-gaap:SeniorNotes,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GrossProfit us-gaap:ProductOrService ofc:ServiceOperations▅▄▅▇▂▂▆▅█▃▂▁▃▆▅▆0.9060.7650.8371.1030.5250.560.9850.8951.2970.6240.5460.3650.640.9820.8530.998NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ▆▄▇▃▅▅▆▅█▅▅▅▅▅▄▅▅▅▅▄▂▄▄▇▅▅▄▅▄▄▅▄▄▄▅▃▅▄▁▄▃▃▅▄▄▅43.662-6.26983.354-31.80324.69725.15844.34722.719108.96722.12116.68919.65720.79818.4667.13720.83218.52518.16519.272-5.444-48.3258.078-1.39494.30916.8811.0175.90413.6359.3875.66428.071-0.296-1.8089.11214.912-31.46411.7486.854-89.5244.595-25.504-21.91517.6654.0757.6910.072
us-gaap:IncomeTaxExpenseBenefit ▅▅▅▅▅▅▅▅▅▅▅▅▅▅▆▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▆▅▅▅▂▅▅█▁▄▁▄▅▅▅▅0.0240.0320.2580.0160.030.049-0.104-0.131-0.1760.194-0.19-0.2910.0630.0550.9530.0570.0480.040.272-0.0210.001-0.0080.0460.0480.050.0550.0530.1010.0920.0641.9170.0240.0210.016-3.9150.1060.0174.173-4.636-0.457-5.042-0.5440.0330.0270.0070.041
us-gaap:InterestExpense ▁█▆▆▅▅▅▆15.94217.51917.14817.15216.79716.8416.77717.126NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestPaidNet ▁█▃▅▄▅▄▅▅▅▅▆▅▆▅▆▅▆▅▆▆▆▆▄▆▃█▆▅▅▇▅▇▅▇▅█▆█▇█▇█▇▆▇6.88224.5111.77818.11214.81416.76714.65717.92216.61418.28216.84919.45617.06319.09217.44219.28616.80219.54916.49620.48319.79321.38619.53813.90319.5812.79524.41219.31816.96218.40322.52317.22723.80718.01823.58318.37625.53919.89624.47821.81225.17322.25224.6822.43719.01721.844
us-gaap:NetIncomeLoss ▆▄▇▃▅▅▆▅█▅▅▅▅▅▄▅▅▅▅▅▂▄▆▇▅▅▄▅▄▄▇▄▄▅▅▃▄▄▁▄▃▃▅▄▄▄42.401-6.66981.668-31.84523.49724.05442.78521.257106.79120.85917.0218.69719.43417.159.95820.91617.86221.35524.73327.299-47.4196.82659.36489.815.78113.3554.90422.727.894.74187.016-2.964-5.36515.0218.539-19.77210.7546.677-82.2276.566-24.224-17.7915.5248.8328.4669.938
 us-gaap:NetIncomeLossAttributableToNoncontrollingInterest us-gaap:ConsolidatedEntities srt:SubsidiariesNANA0.8170.8121.2631.1321.5151.5651.2681.0371.0611.080.8780.9210.9080.8970.9070.934NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▆▄▇▃▅▅▆▅█▅▅▅▅▅▄▅▄▅▅▅▂▄▆▇▅▄▄▅▄▄▇▄▄▄▅▃▄▄▁▄▃▃▅▄▄▄42.265-6.83981.602-31.9923.38223.94942.62421.134106.42720.85917.0218.69719.43417.159.95820.9167.97618.17521.07623.747-50.9723.27455.81186.24812.2289.8031.35219.1671.7770.25182.526-7.454-13.1548.91412.433-28.1456.5872.652-86.2532.541-28.25-21.81511.4984.8074.445.913
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted ▅▂▇▁▄▄▅▄█▄▃▄▄▃▃▄▃42.256-6.83981.623-31.9923.38823.95742.66321.139107.51220.77316.90618.58319.31717.03310.85520.4847.523NA20.97623.642NANA57.75286.251NANA1.25219.064NANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ProductOrService ofc:RealEstateOperations█▇▇▄▄▄▃▃▅▄▂▂▂▁▃▃90.7889.10789.30484.64384.05983.8382.50482.62186.13683.76480.73880.85480.91878.52681.43982.065NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ofc:RealEstateOperations,ofc:DefenseandTechnologyLocations█▇▇▆▅▄▄▄▅▄▂▂▂▁▂▂77.77376.07776.53874.62972.41871.50872.2770.88573.37370.8668.83368.9968.18866.85668.18267.902NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ofc:RealEstateOperations,ofc:RegionalOffice▇▇▅▂▅▄▁▅▃▂▃▄▅▂▇█9.0429.0138.1557.1318.2747.9236.9198.1657.4287.4177.5487.8478.1277.4068.869.25NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ofc:RealEstateOperations,ofc:WholesaleDataCenter▄▄▆▁▃▅▃▃██▅▅▅▅▆▆3.5463.6694.262.4262.9923.9393.0263.1914.9425.0333.963.8163.9553.8194.1644.223NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ofc:RealEstateOperations,us-gaap:AllOtherSegments▄▃▃▅▃▅▂▄▄▅▄▁▇▄▁█0.4190.3480.3510.4570.3750.460.2890.380.3930.4540.3970.2010.6480.4450.2330.69NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments ofc:RealEstateOperations,ofc:DefenseandTechnologyLocations,ofc:DataCenterShells▆▆█▇▅▂▁▃▇▆▄▄▂▂▂▄8.2668.6229.3648.8868.0126.6335.9826.9969.1168.227.3287.3216.3586.2366.6897.241NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments ofc:RealEstateOperations,ofc:DefenseandTechnologyLocations,ofc:FortMeadeandBaltimoreWashingtonCorridor▆▃▄▃▃▆█▅▄▁▃▃▄▂▄▃43.12641.77542.31941.79141.83943.21644.6142.69342.31540.34841.33141.54941.89441.17841.8841.546NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments ofc:RealEstateOperations,ofc:DefenseandTechnologyLocations,ofc:LacklandAirForceBase█▅▅▄▄▃▄▅▄▅▁▁▁▁▁▁6.1825.6815.6885.4865.4725.2815.4865.5545.4565.6024.8434.8224.8884.8454.8354.831NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments ofc:RealEstateOperations,ofc:DefenseandTechnologyLocations,ofc:NavySupportLocations█▆█▆▆▇▅▃▅▄▂▄▄▃▁▁5.2184.9655.2484.9624.9485.0564.8284.6024.8994.7514.4384.6914.6964.5664.3594.337NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments ofc:RealEstateOperations,ofc:DefenseandTechnologyLocations,ofc:NorthernVirginia▆▇██▆▄▄▄▇█▅▃▃▁▂▁9.1749.3359.4379.4549.1128.4938.628.5869.2189.5398.6998.4428.2097.8388.2027.847NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments ofc:RealEstateOperations,ofc:DefenseandTechnologyLocations,ofc:RedstoneArsenal██▅▅▃▂▂▂▂▂▁▁▁▁▁▁5.8075.6994.4824.053.0352.8292.7442.4542.3692.42.1942.1652.1432.1932.2172.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▄▄▄█▄▁▅▃▃▃▃▄▄▄▄▄▄▄▅▄▃▃▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄0.9631.9591.45554.635-2.38-37.5749.334-11.354-14.102-9.415-10.4741.1181.8654.9213.1250.314-0.821.40815.1331.45-5.038-10.4143.123-2.7230.897-2.701-2.2031.771-2.911-1.4280.63-0.7238.5041.120.373-2.128-1.711-0.513NANANANANANANANA
 us-gaap:PreferredStockDividendsIncomeStatementImpact us-gaap:ConsolidatedEntities srt:SubsidiariesNANA0.0690.0770.0770.0770.0770.1570.1650.1650.1650.1650.1650.1650.1650.1653.2043.345NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▆▄▇▃▅▅▆▅█▅▅▅▅▅▅▅▅▅▅▅▂▄▆▇▅▅▄▅▄▄▇▄▄▅▅▃▅▄▁▄▃▃▅▄▄▄43.898-6.07983.549-31.34225.12125.5544.87723.246109.56322.31818.45620.32221.08518.7811.35622.68219.20723.08826.60329.272-48.3168.09662.61794.29417.23214.7355.93724.5489.055.67192.672-2.0-4.40515.27719.01-20.76511.8616.977-87.2157.47-26.007-18.56616.7528.9269.15110.675
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▁▁▂▂▁▁▇▂▂▁▇▁▁▂█▂▇▇▇▇▇▇▇▇██▇▇▇▇▆▇▇▆▇▆▆▇▇▇▇▇▇▆▆▇19.98816.55824.420.32312.23613.681157.78528.69742.29916.95138.4828.42317.58127.198164.56729.786151.435139.801141.991142.103145.927144.307143.325150.744170.363161.034146.971153.015139.82146.667128.802136.031140.524130.997137.505130.144133.386143.473139.002140.622146.64143.395144.195124.682132.794149.593
us-gaap:Revenues ▇▆▆▅▄▄▆▆█▄▃▃▄▅▇▅▅▃▃▃▄▄▄▅▇▆▄▅▃▄▂▃▃▂▃▂▂▄▃▃▄▄▄▁▂▄164.411161.722164.028154.766144.774145.797157.785159.431175.07148.94138.482137.411146.743155.476164.567157.017151.435139.801141.991142.103145.927144.307143.325150.744170.363161.034146.971153.015139.82146.667128.802136.031140.524130.997137.505130.144133.386143.473139.002140.622146.64143.395144.195124.682132.794149.593
us-gaap:SellingGeneralAndAdministrativeExpense ▅▄▅▂▃▂▅▃▅▄▂▂▃▂▂▂▃▄▃▄▃█▄▂▂▃▄▂▂▃▄▃▁▃▂▁▄▅9.2228.4069.897.4678.1587.4869.3367.9299.3868.7517.0816.8997.6287.2926.9997.3687.8598.6117.7898.8558.02611.8838.4977.4397.5347.8918.9127.2117.5288.1438.4398.0276.5837.827.1036.3778.8519.569NANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ▇█▇█▇▇▅▅▄▄▂▂▂▁▁▁▁▃▄▂▅▆▅▅▅▄▂▃▃▂▂▃▃▃▂▁▃▄▅▆▅▅▅4052.0324112.9484077.0234120.1894011.3254054.4573854.4533855.3693803.4693775.8593656.0053650.3663612.3623596.2383578.4843559.7723574.8873739.3663780.8853634.1943841.6923937.9083909.3123918.4733910.9213777.1553670.2573680.1883709.53605.8973629.9523755.5883699.6353685.0993653.7593597.6563715.0753797.3683867.5243965.3923868.233865.8093844.517NANANA
us-gaap:Liabilities ▅▆▅▆▅▅▂▂▂▂▁▁▂▂▂▂▂▂▃▂▄▅▄▄▅▃▂▄▄▂▂▄▄▂▃▅▅▇██▆▇▇2354.682430.2312357.8812447.0312331.2532366.3592105.7772130.7452054.5552092.2962002.6972015.2062079.3332090.3662103.7732121.7192132.3322113.8222163.2422110.5592318.5162331.6942273.532318.9582373.8742228.532130.9562264.2482290.8192115.2082114.9452304.7322257.7772134.22206.9622347.4352361.7262596.5722649.4592657.7692514.8582594.1512521.379NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▇█▇█▇▇▅▅▄▄▂▂▂▁▁▁▁▃▄▂▅▆▅▅▅▄▂▃▃▂▂▃▃▃▂▁▃▄▅▆▅▅▅4052.0324112.9484077.0234120.1894011.3254054.4573854.4533855.3693803.4693775.8593656.0053650.3663612.3623596.2383578.4843559.7723574.8873739.3663780.8853634.1943841.6923937.9083909.3123918.4733910.9213777.1553670.2573680.1883709.53605.8973629.9523755.5883699.6353685.0993653.7593597.6563715.0753797.3683867.5243965.3923868.233865.8093844.517NANANA
us-gaap:StockholdersEquity ▇▇█▇▇▇███▇▇▇▅▅▄▄▄▆▆▅▅▆▆▆▅▅▅▄▄▅▅▄▄▅▄▂▃▁▁▂▃▂▂1637.231623.1321661.0351609.2481616.6271624.9981678.961656.3891672.281610.3751585.4111568.1721442.2051416.3511386.0371349.9141352.1231535.0481523.0591433.2421432.7061512.7561544.5251509.9491450.4291462.331451.4231330.1361330.6021402.791425.5841365.3151357.151470.4021365.4241173.7661274.0821119.5951135.4251219.6911259.5171177.881226.637NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CashAndCashEquivalentsAtCarryingValue ▁▂▁▁▂▆▁▂▂▁▁▁▁▁▁▁▁█▇▂▁▃▃▁▂▁▁▂▃▁▃▂▁▂▁▁▁▁▁▁▁▁▁▁▁▁17.18236.13918.36911.45821.596159.06114.73334.00546.2827.788.0669.4928.4728.88812.26110.85810.606226.47209.86347.57413.31762.48960.313.8437.0744.4296.07740.01876.21618.37454.37327.3189.19623.50910.5945.0094.7027.9875.55911.50411.70312.60610.10211.7339.87910.18
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▁▂▁▁▁▆▁▂▂▁▁▁▁▁▁▁▁█▇21.77540.2822.03314.67525.866162.88718.1337.50750.73411.77511.9512.93212.57712.53314.83112.62413.327228.758212.619NANANA62.263NANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:PropertyPlantAndEquipmentNet ▁██9.99310.46110.433NANANANANANANANA7.0876.4075.3315.2565.4225.3034.9895.2045.4925.6865.6696.0045.9416.346.3496.6376.5276.9197.0686.5566.7057.0937.6167.9918.6579.2489.60710.17710.18110.578NA11.504NANANA
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures ▄▂▂▅▅▆▆▅█▃▄▄▄▄▁▁▁▁▁▁40.58628.93429.30349.66250.45751.2251.94949.40865.33639.35939.84540.31840.80641.31125.06625.19425.33525.41725.54825.721NANA0.0NANANANANANANANANANANANANANANA0.1250.12119.456NA22.779NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▁▁▁▁▂▂▂▂▂▂▃▃▃▄▄▄▅▅▅▆▆▇▇▇▆▄▃▃▄▄▄▄▅▅▅▆▅▆▆▇▇▇█16.95918.13719.34422.43324.76826.07827.39229.45431.16233.17243.4747.06550.58654.659.09264.05569.20573.74878.35184.08188.78893.52698.338106.17481.72861.47743.85448.351.64555.67859.25864.37268.04672.03575.87981.05976.42683.9489.1297.95499.917106.444113.735NANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet ▁▄█1.9281.9571.989NANANANANANANANA2.081.7741.8371.892NANANA3.036NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ▇██▆▃▁▁39.33339.8140.5736.44231.00927.79327.864NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebt ▅▆▄▅▃▄▂▂▁▂▁▁▂▂▁▂▂▂▂▂▄▅▄▅▅▃▂▄▄▃▃▅▄▃▄▅▅███▇█▇2109.642207.9032086.9182181.5512012.0192076.8391831.1391862.3011784.3621876.1491823.9091808.031871.4451854.8861828.3331873.2911897.7341903.6571904.0011873.8362094.4862140.2122077.7522121.242130.171999.6221920.0572049.9922099.3431931.8311927.7032135.0312093.1061957.362019.1682169.3152191.8512418.0782426.3032420.0732299.4162396.7952323.681NANANA
us-gaap:MinorityInterest ▁▁▁▂▂▂▂▂▃▂▂▂▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▆▆▆▆▇███34.08233.6632.67740.38840.29740.18840.28539.55846.83145.80341.63741.55766.2865.67365.54964.8766.70166.8271.60567.54567.99771.12572.03969.95867.20467.469.46167.36869.17870.24571.66568.75269.13770.14171.07576.45579.26781.20182.6487.93293.85593.77896.501NANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo ███▆▂▁▁3.3523.3523.3322.5661.3521.1381.138NANA1.1281.11NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ███▅▂▁▁3.4033.4033.3822.6011.3581.1621.162NANA1.1111.094NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ▃▃█▆▂▁▁1.7491.7493.4342.6361.3631.1671.167NANA1.1291.115NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA1.78NANA1.1731.173NANA1.1351.119NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA126.35NANA100.609100.609NANA99.18583.373NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ▇▇█▇▇▇███▇▇▇▅▅▄▄▄▆▆▅▅▆▆▆▅▅▅▄▄▅▅▄▄▅▄▂▃▁▁▂▃▂▂1637.231623.1321661.0351609.2481616.6271624.9981678.961656.3891672.281610.3751585.4111568.1721442.2051416.3511386.0371349.9141352.1231535.0481523.0591433.2421432.7061512.7561544.5251509.9491450.4291462.331451.4231330.1361330.6021402.791425.5841365.3151357.151470.4021365.4241173.7661274.0821119.5951135.4251219.6911259.5171177.881226.637NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▇▇█▇▇▇███▇▇▇▆▅▅▅▅▇▇▆▆▆▇▆▆▆▆▄▄▅▆▅▅▆▅▃▄▂▂▃▄▃▄▁▁▁1671.3121656.7921693.7121649.6361656.9241665.1861719.2451695.9471719.1111656.1781627.0481609.7291508.4851482.0241451.5861414.7841418.8241601.8681594.6641500.7871500.7031583.8811616.5641579.9071517.6331529.731520.8841397.5041399.781473.0351497.2491434.0671426.2871540.5431436.4991250.2211353.3491200.7961218.0651307.6231353.3721271.6581323.1381089.7281111.5661110.539
us-gaap:CommonStockValue ███████████▇▇▆▆▆▆▆▆▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▃▂▂▂▂▂▂▁▁1.1231.1231.1221.1221.1221.1221.1211.1211.1191.1191.1021.0881.0331.0221.0130.9960.9950.9940.9850.9480.9470.9470.9450.9450.9460.9450.9330.8770.8770.8760.8740.8740.8580.8580.8090.7220.7210.720.720.720.7190.6710.669NANANA
us-gaap:AdditionalPaidInCapital ███████████▇▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▄▄▃▃▃▃▃▂▁▁▂▂▂▂▁▁2478.4162476.8072478.9062479.3212477.9772476.6772481.5582480.0832475.2932475.4972431.3552390.4842254.432221.4272201.0472150.0672146.1192136.3692116.5812008.7872007.3282005.5232004.5072002.732000.7751999.7081969.9681822.2831819.4361816.4671814.0151812.8011772.471772.2551653.6721455.5581450.9231670.4511668.6451663.851657.5361511.6381511.844NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▆▆▆▆▁▁▅▄▅▆▇███▇▇▇▇▇▆▅▆▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▄▆▇▇▇▇-6.415-7.391-9.157-10.548-64.513-62.201-25.444-34.58-23.465-9.538-0.23810.1089.0127.2042.167-0.859-1.163-0.37-1.731-16.314-17.712-12.862-2.838-5.823-3.141-3.947-1.2970.871-0.7612.0723.482.9253.631-4.41-5.435-5.688-3.717-2.201-1.733-28.618-9.624-3.197-4.163-4.861-4.263NA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities srt:SubsidiariesNANA-9.155-10.563-65.183-62.843-25.648-34.891-23.638-9.536-0.121NANANA2.173NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest ▁▁▁▂▂▂▂▂▃▂▂▂▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▆▆▆▆▇███34.08233.6632.67740.38840.29740.18840.28539.55846.83145.80341.63741.55766.2865.67365.54964.8766.70166.8271.60567.54567.99771.12572.03969.95867.20467.469.46167.36869.17870.24571.66568.75269.13770.14171.07576.45579.26781.20182.6487.93293.85593.77896.501NANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▆▆▅▄▄▁▅▅▅▄▄▄▄▄▄▂▂▃▁▅▅█▄▅▅▅▄▄▄▅2.1452.0151.8541.7841.7361.211.9261.8951.8331.8021.7841.7791.721.681.6511.3971.4651.5821.2761.8741.8782.4251.7981.9421.8291.8291.8011.7041.6891.856NANANANANANANANANANANANANANANANA
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders ▁▁▁▁▁▅▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█▂▁▁▁▁▁▁▁0.7660.3990.6990.641.11711.5780.7570.780.5270.3490.2970.4030.2590.4520.380.3970.3740.4150.5370.3550.46320.5261.8660.2130.7280.1570.3930.3860.5220.068NANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities █▃▇▂▆▅▆▄▅▄▅▃▄▂▅▄▅▅▅▄▆▄▅▂▇▃▄▃▄▄▄▄▁▄▄▂▆▄▄▁▅▃▅▁▄▃97.3440.67279.38322.50474.31962.21871.52145.22257.16354.65258.81540.95554.51726.19559.97652.94157.160.63762.56545.57376.96147.43956.26624.90380.94941.8949.63741.29851.41251.53851.9745.47814.2247.31152.16227.78268.10743.78747.27712.36959.54532.95260.88416.99742.82235.733
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▃▆▁▃▂▄▃▇▂▃▄▃▄▄▅▃▅▄█▄▄▆▃▂▂▃▅▃▃▆▃▄▃▃▆▅▅▄▃▃▃▂▁▃▄42.213-72.81470.417-168.921-112.825-114.463-29.102-95.283107.525-121.155-80.232-55.878-62.004-34.804-36.986.22-60.8731.923-6.468182.124-48.148-56.05963.757-110.248-142.655-118.386-72.6432.995-79.186-60.85567.055-71.516-55.153-60.176-70.0259.17816.7957.791-22.662-100.416-75.945-61.364-130.062-193.424-100.329-55.352
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▅▂▇▃█▄▅▂▆▅▅▅▅▄▄▁▄▆▁▃▅▄▆▆▆▄▃▆▄▃▅▅▅▅▃▃▄▄▆▅▅▆█▆▅-158.05850.389-142.442135.226-98.515197.002-61.79636.834-125.72966.32820.43515.2787.5316.311-21.593-58.909-212.091-45.953106.192-193.44-77.98510.799-63.55352.11194.35174.848-10.935-80.49185.616-26.682-91.9744.1626.6225.7823.443-86.653-88.187-49.15-30.5687.84815.49730.91667.547178.28157.20621.537
 us-gaap:NetCashProvidedByUsedInFinancingActivities us-gaap:ConsolidatedEntities srt:SubsidiariesNANA-142.442135.226-98.515197.002-61.79636.834-125.72966.32820.43515.2787.5316.311NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▅▆▅▅▃█▅▅▆▅▅▅▅▅▅▅▁▆-18.50518.2477.358-11.191-137.021144.757-19.377-13.22738.959-0.175-0.9820.3550.044-2.2982.207-0.703-215.43116.139NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect us-gaap:ConsolidatedEntities srt:SubsidiariesNANA7.358-11.191-137.021144.757-19.377-13.22738.959-0.175-0.9820.3550.044-2.298NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:DepreciationDepletionAndAmortization ▅▅▅▄▃▃▃▄▄▄▅▄▃▃▄▄▃▃▃▃▃▄▅▆▄▃▂▂▂█▂▁▁▁38.637.87637.16735.78934.0633.01533.21735.15935.29835.22936.62334.75633.64934.03534.53835.01533.37833.5733.44132.52833.77235.12936.83438.99334.31332.09131.87130.7831.73844.10131.81729.71229.46228.782NANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInAccountsReceivable ▃▄▅▅▄▃▄▁█▄▅▃▄▃▄▂▆▃▅▃▄▄▄▄▂▅▅▂▄▄▅▃▅▃▄▄▄▂▅▅▃▄▄▅▄▃-3.0282.9835.6335.783-0.492-4.547-2.342-22.36332.879-1.0336.731-4.354-0.173-7.8774.715-15.80213.311-5.0078.92-6.9783.729-0.4095.1954.129-17.5736.9186.721-10.7312.1471.76911.857-4.74511.701-8.4793.374.968-0.239-14.7925.7837.355-6.8710.8270.0326.352-1.43-3.274
 us-gaap:IncreaseDecreaseInAccountsReceivable us-gaap:ConsolidatedEntities srt:SubsidiariesNANA5.6335.783-0.492-4.547-2.342-22.36332.879-1.0336.731-4.354-0.173-7.877NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInOperatingActivities █▃▇▂▆▅▆▄▅▄▅▃▄▂▅▄▅▅▅▄▆▄▅▂▇▃▄▃▄▄▄▄▁▄▄▂▆▄▄▁▅▃▅▁▄▃97.3440.67279.38322.50474.31962.21871.52145.22257.16354.65258.81540.95554.51726.19559.97652.94157.160.63762.56545.57376.96147.43956.26624.90380.94941.8949.63741.29851.41251.53851.9745.47814.2247.31152.16227.78268.10743.78747.27712.36959.54532.95260.88416.99742.82235.733
us-gaap:NetIncomeLoss ▆▄▇▃▅▅▆▅█▅▅▅▅▅▄▅▅▅▅▅▂▄▆▇▅▅▄▅▄▄▇▄▄▅▅▃▄▄▁▄▃▃▅▄▄▄42.401-6.66981.668-31.84523.49724.05442.78521.257106.79120.85917.0218.69719.43417.159.95820.91617.86221.35524.73327.299-47.4196.82659.36489.815.78113.3554.90422.727.894.74187.016-2.964-5.36515.0218.539-19.77210.7546.677-82.2276.566-24.224-17.7915.5248.8328.4669.938
us-gaap:ProfitLoss ▆▄▇▃▅▅▆▅█▅▅▅▅▅▅▅▅▅▅▅▂▄▆▇▅▅▄▅▄▄▇▄▄▅▅▃▅▄▁▄▃▃▅▄▄▄43.898-6.07983.549-31.34225.12125.5544.87723.246109.56322.31818.45620.32221.08518.7811.35622.68219.20723.08826.60329.272-48.3168.09662.61794.29417.23214.7355.93724.5489.055.67192.672-2.0-4.40515.27719.01-20.76511.8616.977-87.2157.47-26.007-18.56616.7528.9269.15110.675
us-gaap:ShareBasedCompensation ▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▂▁▃▂▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▆▇█▄▅▆▆▆▆▅2.0091.9041.751.7261.6381.3891.7351.6961.6241.6591.6411.6031.5871.5451.5231.2721.3321.4881.2061.7981.7312.1081.6251.7391.6581.5521.6011.5071.5011.5551.6611.5731.6471.6491.721.7033.1573.4023.7642.4222.8172.9173.1193.0843.0312.611
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▃▆▁▃▂▄▃▇▂▃▄▃▄▄▅▃▅▄█▄▄▆▃▂▂▃▅▃▃▆▃▄▃▃▆▅▅▄▃▃▃▂▁▃▄42.213-72.81470.417-168.921-112.825-114.463-29.102-95.283107.525-121.155-80.232-55.878-62.004-34.804-36.986.22-60.8731.923-6.468182.124-48.148-56.05963.757-110.248-142.655-118.386-72.6432.995-79.186-60.85567.055-71.516-55.153-60.176-70.0259.17816.7957.791-22.662-100.416-75.945-61.364-130.062-193.424-100.329-55.352
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▅▂▇▃█▄▅▂▆▅▅▅▅▄▄▁▄▆▁▃▅▄▆▆▆▄▃▆▄▃▅▅▅▅▃▃▄▄▆▅▅▆█▆▅-158.05850.389-142.442135.226-98.515197.002-61.79636.834-125.72966.32820.43515.2787.5316.311-21.593-58.909-212.091-45.953106.192-193.44-77.98510.799-63.55352.11194.35174.848-10.935-80.49185.616-26.682-91.9744.1626.6225.7823.443-86.653-88.187-49.15-30.5687.84815.49730.91667.547178.28157.20621.537
 us-gaap:NetCashProvidedByUsedInFinancingActivities us-gaap:ConsolidatedEntities srt:SubsidiariesNANA-142.442135.226-98.515197.002-61.79636.834-125.72966.32820.43515.2787.5316.311NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsOfDividendsCommonStock ██████████▇▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▄▄▄▄▄▃▃▃▁▁▁▇▇▇30.88530.86230.85530.84530.8530.81730.82230.79530.75330.28729.93728.39928.09527.85527.39527.3427.33927.126.06326.05126.01926.00225.99725.99925.99625.64624.11324.09924.08224.03624.02323.59923.57622.27619.83619.81819.82129.68629.67229.556NANANANANANA
us-gaap:Dividends ▆▆▆▆▆▆▆▆▆▆▆▅▄▄▄▄▆▆▆▅▅▅▅▅▅▅▅▄▄▄▄▄▄▅▄▃▁▁███▇▇▄▃▃30.88830.90230.85730.84330.85630.83830.82530.82530.75530.75430.3229.93528.40228.09127.85827.37830.39830.52430.7329.62129.58629.58929.5529.55229.55629.5529.1927.66528.44628.58128.51628.51228.48929.69928.36126.38223.97623.84533.71933.71333.65831.72931.62328.51927.28527.186
us-gaap:PaymentsForRepurchaseOfCommonStock ▁█0.0682.29NA0.0570.081.4920.0910.0530.1031.8170.0910.0860.1981.3270.1040.0560.061.7530.2870.6870.3381.1540.1320.0850.2142.0310.1650.0630.2341.0920.1540.0640.2081.5760.10.060.8462.3730.0420.1350.13.7130.0510.1490.1033.61
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31

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
Value1.1231.1231.1221.1221.1221.1221.1211.1211.1191.1191.1021.0881.0331.0221.0130.9960.9950.9940.9850.9480.9470.9470.9450.9450.9460.9450.9330.8770.8770.8760.8740.8740.8580.8580.8090.7220.7210.720.720.720.7190.6710.6690.583
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

us-gaap:CommonStockValue us-gaap:ConsolidatedEntities

srt:Subsidiaries


Common
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value16901639170117071724171017161640160414451419
Percentage of CommonStockValue150678.3146104.0151637.7152174.2153805.4152595.9153432.7146583.7145613.0142647.8144133.0
Percentage of Assets41.539.842.442.144.744.445.143.443.940.437.5
Percentage of Assets srt:Subsidiaries41.539.842.442.144.844.445.243.543.940.20.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value1121111111121111111131101041011019999989494949494938787878689817171717172705858
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding us-gaap:ConsolidatedEntities

srt:Subsidiaries


Weighted
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value113113113113114111106105104
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding101.1101.1101.1101.2101.2101.2102.0103.1103.2

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value1111111111111111111111091041011009999989494949494938787878685817171717168665858
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic us-gaap:ConsolidatedEntities

srt:Subsidiaries


Weighted
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value113113112112112111106104104
Percentage of WeightedAverageNumberOfSharesOutstandingBasic101.1101.1101.1101.2101.2101.2102.0103.1103.2

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

ofc:ExchangeableCommonUnits


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value1262000.01246000.01240000.01237000.01226000.01312000.01327000.01331000.02135000.03197000.03221000.03350000.03405000.03446000.03591000.03676000.03677000.03679000.03680000.03732000.03876000.03912000.03958000.03804000.003893000.04233000.04255000.04281000.04336000.004396000.04453000.04558000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0

ofc:RedeemableNoncontrollingInterest


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value776000.0940000.0973000.0878000.01011000.0975000.001013000.0000
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount61.575.478.571.082.574.30.076.10.00.00.0

ofc:RestrictedStockandDeferredShares


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-30
Value420000.0419000.0429000.0429000.0440000.0436000.0425000.0463000.0455000.0458000.0444000.0445000.0455000.0392000.0375000.0403000.0405000.0411000.0426000.0400000.0401000.0420000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount33.333.634.634.735.933.232.034.821.314.313.813.313.411.410.411.011.011.211.610.710.310.7

ofc:SeriesIPreferredUnits


Antidilutive
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value176000.0176000.0176000.0176000.00176000.0176000.0176000.0176000.0176000.0176000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount14.214.214.413.40.013.28.25.55.55.35.2

ofc:UnvestedTBPIUs


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value166000.0131000.091000.090000.075000.062000.059000.019000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount13.210.57.37.36.14.74.41.4

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:ConsolidatedEntities, us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

srt:Subsidiaries, ofc:RedeemableNoncontrollingInterest


Antidilutive
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value973000.0878000.01011000.0975000.001013000.0000
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount78.571.082.574.30.076.10.00.00.0

srt:Subsidiaries, ofc:RestrictedStockandDeferredShares


Antidilutive
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value429000.0429000.0440000.0436000.0425000.0463000.0455000.0458000.0444000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount34.634.735.933.232.034.821.314.313.8

srt:Subsidiaries, ofc:SeriesIPreferredUnits


Antidilutive
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value176000.0176000.0176000.0176000.00176000.0176000.0176000.0176000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount14.214.214.413.40.013.28.25.55.5

srt:Subsidiaries, ofc:UnvestedTBPIUs


Antidilutive
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value91000.090000.075000.062000.059000.019000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount7.37.36.14.74.41.4

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
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
Value0.38-0.060.73-0.290.210.210.380.190.950.190.160.180.190.170.10.210.080.180.220.25-0.540.030.590.910.130.10.010.220.0200.94-0.09-0.160.110.16-0.390.090.04-1.210.03-0.42-0.330.180.080.070.1
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EarningsPerShareBasic us-gaap:ConsolidatedEntities

srt:Subsidiaries


Earnings
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.73-0.290.210.210.380.190.950.190.160.180.190.170.10.210.080.18
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
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
Value0.38-0.060.73-0.290.210.210.380.190.950.190.160.180.190.170.10.210.080.180.220.25-0.540.030.590.910.130.10.010.220.0200.94-0.09-0.160.110.16-0.390.090.04-1.210.03-0.42-0.330.180.080.070.1
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EarningsPerShareDiluted us-gaap:ConsolidatedEntities

srt:Subsidiaries


Earnings
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.73-0.290.210.210.380.190.950.190.160.180.190.170.10.210.080.18
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value43-4.903832221-12.703511092116.674192121122117223928-52.269-3.198628716102.737245.0583.33287-3.6712.6771623-21.7829.1396.193-55.32-12.918-31.069-16.884168.2367.5
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax217.0-29.60.0108.8173.1-92.932.935.3219.568.24.8235.0120.880.67.971.211.316.227.720.2-35.8-2.243.557.89.76.61.915.93.62.368.0-2.71.912.217.3-16.76.94.3-39.8-9.2-21.2-11.811.76.65.6

us-gaap:ComprehensiveIncomeNetOfTax us-gaap:ConsolidatedEntities

srt:Subsidiaries


Comprehensive
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value842221-12.777521094116.921202222
Percentage of ComprehensiveIncomeNetOfTax101.3101.6101.6100.6101.3102.8101.4102.7103.7102.9103.9104.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0110.5175.9-93.433.336.3222.770.05.0241.7125.583.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries0.0110.5175.9-93.40.036.3222.770.00.0241.7125.583.8

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value1.4840.7831.9451.1731.5560.6792.291.752.5971.3441.3081.6471.7081.791.4971.7761.3181.782.422.025-1.0850.883.3914.4531.5421.3290.9971.9681.0810.9115.7310.9481.4220.352-1.132-1.1111.0110.271-4.883-0.302-2.233-0.714
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.44.70.05.812.75.01.56.16.17.90.919.69.76.60.96.00.91.31.71.4-0.70.62.43.00.90.80.71.30.80.64.40.71.00.3-0.8-0.90.80.2-3.5-0.2-1.5-0.5

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest us-gaap:ConsolidatedEntities

srt:Subsidiaries


Comprehensive
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.8640.8271.2230.7531.6061.4641.2681.0371.0611.080.8780.921
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest44.470.578.6110.970.183.748.877.281.165.651.451.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.04.110.05.51.05.13.06.10.812.85.03.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries0.04.110.05.50.05.13.06.10.012.85.03.4

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value44-4.12852322-12.024541195127.982212223142218244130-53.354-2.318659118123.734266.1394.24393-2.7234.0991622-22.893106.464-58.698-13.22-33.302-17.598188.2838.108
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax224.4-24.90.0114.6185.9-87.934.441.4225.776.15.8254.5130.587.18.877.212.117.529.421.6-36.6-1.645.960.710.67.52.517.24.42.972.4-2.02.912.516.5-17.67.64.5-42.2-9.4-22.7-12.312.66.66.1

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest us-gaap:ConsolidatedEntities

srt:Subsidiaries


Comprehensive
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value852322-12.024541195127.982212223
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0114.6185.9-87.934.441.4225.776.15.8254.5130.587.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries0.0114.6185.9-87.90.041.4225.776.10.0254.5130.587.1

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value19151113242741167.1118.05816263628
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax95.595.495.795.915.796.996.996.35.195.796.496.421.996.6

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
Value121119123116104104119121133110105100108119139118114104104130172113123118132130109115107121731149995103138971121681081481391239499118
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 RevenueFromContractWithCustomerExcludingAssessedTax609.6722.20.0571.7857.7762.575.6423.1316.7651.576.21187.9616.8439.784.9396.475.874.773.691.9118.578.986.078.878.081.074.775.577.282.857.384.370.972.875.6106.673.178.5121.477.3101.197.385.976.175.179.0

us-gaap:CostsAndExpenses us-gaap:ConsolidatedEntities

srt:Subsidiaries


Costs
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value123116104104119121133110105100108119
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0571.7857.7762.575.6423.1316.7651.576.21187.9616.8439.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries0.0571.7857.7762.50.0423.1316.7651.50.01187.9616.8439.7

Disposal Group Not Discontinued Operation Gain Loss On Disposal

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, ofc:DataCenterShellsinNorthernVirginia


Disposal
Period End2021-06-022020-10-30
Value4030
Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations ofc:DataCenterShellsinNorthernVirginia0.00.0

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2021-06-302021-03-312020-12-312020-09-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-25.228-33.166-4.069-3.237-0.2580.00.00.00.0-0.5130.0-1.073-0.0590.0050.017-0.40285-0.065-0.003-9.106-0.176-0.270.0-0.002-0.374-21.47-5.184-0.006-0.768-0.1690.0-0.003-1.655-0.025
Percentage of GainsLossesOnExtinguishmentOfDebt100.0100.0100.0100.0100.00.00.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-126.2-200.30.0-15.9-0.20.00.00.00.0-0.30.0-0.8-0.00.00.0-0.356.9-0.0-0.0-6.2-0.1-0.20.0-0.0-0.3-15.3-4.0-0.0-0.6-0.10.0-0.0-1.2-0.0

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:ConsolidatedEntities

srt:Subsidiaries


Gains
Period End2020-12-312020-09-30
Value-4.069-3.237
Percentage of GainsLossesOnExtinguishmentOfDebt100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-15.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries0.0-15.9

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

ofc:A3.70SeniorNotes, us-gaap:SeniorNotes


Gains
Period End2020-12-312020-09-30
Value10-3.2
Percentage of GainsLossesOnExtinguishmentOfDebt-258.098.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-15.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:A3.70SeniorNotes us-gaap:SeniorNotes0.00.0

ofc:A360SeniorNotesAnd525SeniorNotes, us-gaap:SeniorNotes


Gains
Period End2021-06-302021-03-31
Value2533
Percentage of GainsLossesOnExtinguishmentOfDebt-99.9-100.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax126.1200.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:A360SeniorNotesAnd525SeniorNotes us-gaap:SeniorNotes0.00.0

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

ofc:A3.70SeniorNotes, us-gaap:SeniorNotes, us-gaap:SubsequentEvent


Gains
Period End2020-10-19
Value4.0
Percentage of GainsLossesOnExtinguishmentOfDebt0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:A3.70SeniorNotes us-gaap:SeniorNotes us-gaap:SubsequentEvent0.0

ofc:A360SeniorNotesAnd525SeniorNotes, us-gaap:SeniorNotes, us-gaap:SubsequentEvent


Gains
Period End2021-04-12
Value25
Percentage of GainsLossesOnExtinguishmentOfDebt0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:A360SeniorNotesAnd525SeniorNotes us-gaap:SeniorNotes us-gaap:SubsequentEvent0.0

Gross Profit

us-gaap:GrossProfit us-gaap:ProductOrService

us-gaap:GrossProfit

ofc:ServiceOperations


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value906000.0765000.0837000.01103000.0525000.0560000.0985000.0895000.01297000.0624000.0546000.0365000.0640000.0982000.0853000.0998000.0
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.54.60.05.44.34.10.63.13.13.70.44.33.63.60.53.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:ServiceOperations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value43-6.26983-31.8032425442210822161920187.13720181819-5.444-48.3258.078-1.3949416115.904139.3875.66428-0.296-1.8089.11214-31.464116.854-89.5244.595-25.504-21.915174.0757.6910
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax218.4-37.90.0-156.5201.8183.928.179.2257.6130.512.1233.4118.367.94.369.912.213.013.6-3.8-33.15.6-1.062.69.96.84.08.96.73.921.8-0.2-1.37.010.8-24.28.84.8-64.43.3-17.4-15.312.33.35.86.7

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap:ConsolidatedEntities

srt:Subsidiaries


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value83-31.803242544221082216192018
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.9100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-156.5201.8183.928.179.2257.6130.512.1233.4118.267.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries0.0-156.5201.8183.90.079.2257.6130.50.0233.4118.267.9

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
Value24000.032000.0258000.016000.030000.049000.0-104000.0-131000.0-176000.0194000.0-190000.0-291000.063000.055000.0953000.057000.048000.040000.0272000.0-21000.01000.0-8000.046000.048000.050000.055000.053000.0101000.092000.064000.01917000.024000.021000.016000.0-3915000.0106000.017000.04173000.0-4636000.0-457000.0-5042000.0-544000.033000.027000.07000.041000.0
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 RevenueFromContractWithCustomerExcludingAssessedTax0.10.20.00.10.20.4-0.1-0.5-0.41.1-0.1-3.50.40.20.60.20.00.00.2-0.00.0-0.00.00.00.00.00.00.10.10.01.50.00.00.0-2.80.10.02.9-3.3-0.3-3.4-0.40.00.00.00.0

us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidatedEntities

srt:Subsidiaries


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value258000.016000.030000.049000.0-104000.0-131000.0-176000.0194000.0-190000.0-291000.063000.055000.0
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.20.4-0.1-0.5-0.41.1-0.1-3.50.40.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries0.00.10.20.40.0-0.5-0.41.10.0-3.50.40.2

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value1517171716161617
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax79.8105.80.084.4137.3123.110.659.7

us-gaap:InterestExpense us-gaap:ConsolidatedEntities

srt:Subsidiaries


Interest
Period End2020-12-312020-09-302019-12-312019-09-30
Value17171617
Percentage of InterestExpense100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.084.410.659.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries0.084.40.059.7

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6.882241118141614171618161917191719161916201921191319122419161822172318231825192421252224221921
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax34.4148.00.089.1121.1122.69.362.539.3107.912.2231.097.170.210.664.711.114.011.614.413.614.813.69.211.57.916.612.612.112.517.512.716.913.817.214.119.113.917.615.517.215.517.118.014.314.6

us-gaap:InterestPaidNet us-gaap:ConsolidatedEntities

srt:Subsidiaries


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value111814161417161816191719
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.089.1121.1122.69.362.539.3107.912.2231.097.170.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries0.089.1121.1122.60.062.539.3107.90.0231.097.170.2

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value42-6.66981-31.8452324422110620171819179.9582017212427-47.4196.826598915134.904227.894.74187-2.964-5.3651518-19.772106.677-82.2276.566-24.224-17.79158.8328.4669.938
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax212.1-40.30.0-156.7192.0175.827.174.1252.5123.112.3222.0110.563.16.170.211.815.317.419.2-32.54.741.459.69.38.33.314.85.63.267.6-2.2-3.811.513.5-15.28.14.7-59.24.7-16.5-12.410.87.16.46.6

us-gaap:NetIncomeLoss us-gaap:ConsolidatedEntities

srt:Subsidiaries


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value82-32.15423244321108211719201710211721
Percentage of NetIncomeLoss101.3101.0101.5101.5101.3102.0101.4102.0102.2102.9104.0104.1101.4102.5100.5102.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-158.2195.0178.527.575.6256.0125.612.6228.4114.965.76.172.011.915.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries0.0-158.2195.0178.50.075.6256.0125.60.0228.4114.965.70.00.00.00.0

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest us-gaap:ConsolidatedEntities

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

srt:Subsidiaries


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value817000.0812000.01263000.01132000.01515000.01565000.01268000.01037000.01061000.01080000.0878000.0921000.0908000.0897000.0907000.0934000.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.04.010.38.31.05.53.06.10.812.85.03.40.63.00.60.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries0.04.010.38.30.05.53.06.10.012.85.03.40.00.00.00.0

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
Value42-6.83981-31.992323422110620171819179.958207.976182123-50.9723.2745586129.8031.352191.7770.25182-7.454-13.1548.91412-28.1456.5872.652-86.2532.541-28.25-21.815114.8074.445.913
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 RevenueFromContractWithCustomerExcludingAssessedTax211.5-41.30.0-157.4191.1175.127.073.6251.6123.112.3222.0110.563.16.170.25.313.014.816.7-34.92.338.957.27.26.10.912.51.30.264.1-5.5-9.46.89.0-21.64.91.8-62.11.8-19.3-15.28.03.93.34.0

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:ConsolidatedEntities

srt:Subsidiaries


Net
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value82-32.3523432110721171920179.935217.90118
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic101.1101.1101.1101.1101.2101.2101.2101.2102.0103.1103.299.8101.799.1101.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-159.2193.327.374.5254.6124.612.4226.5114.065.16.071.45.213.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries0.0-159.2193.30.074.5254.6124.60.0226.5114.065.10.00.00.00.0

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302015-12-312015-09-302014-12-312014-09-30
Value42-6.83981-31.9923234221107201618191710207.523202357861.25219
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax211.4-41.30.0-157.4191.1175.127.073.7254.2122.612.2220.6109.962.66.668.85.014.816.640.357.20.912.5

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted us-gaap:ConsolidatedEntities

srt:Subsidiaries


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value82-32.35232443211082117181917
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted101.1101.1101.1101.1101.1101.2101.2101.2101.2102.0103.1103.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-159.2193.3177.027.374.5257.2124.012.4225.1113.364.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries0.0-159.2193.3177.00.074.5257.2124.00.0225.1113.364.6

Operating Income Loss

us-gaap:OperatingIncomeLoss us-gaap:ProductOrService

us-gaap:OperatingIncomeLoss

ofc:RealEstateOperations


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value90898984848382828683808080788182
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax454.2538.20.0416.5687.0612.752.3287.9203.6494.258.3959.9460.3288.749.5275.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:RealEstateOperations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingIncomeLoss us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value77767674727172707370686868666867
Percentage of OperatingIncomeLoss85.785.485.788.286.285.387.685.885.284.685.385.384.385.183.782.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax389.1459.50.0367.2591.8522.745.8247.0173.5418.149.7819.1387.9245.841.4228.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:RealEstateOperations ofc:DefenseandTechnologyLocations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:RealEstateOperations, ofc:RegionalOffice


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value9.0429.0138.1557.1318.2747.9236.9198.1657.4287.4177.5487.8478.1277.4068.869.25
Percentage of OperatingIncomeLoss10.010.19.18.49.89.58.49.98.68.99.39.710.09.410.911.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax45.254.40.035.167.657.94.428.517.643.85.593.246.227.25.431.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:RealEstateOperations ofc:RegionalOffice0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:RealEstateOperations, ofc:WholesaleDataCenter


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3.5463.6694.262.4262.9923.9393.0263.1914.9425.0333.963.8163.9553.8194.1644.223
Percentage of OperatingIncomeLoss3.94.14.82.93.64.73.73.95.76.04.94.74.94.95.15.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.722.20.011.924.528.81.911.111.729.72.945.322.514.02.514.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:RealEstateOperations ofc:WholesaleDataCenter0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:RealEstateOperations, us-gaap:AllOtherSegments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.4190.3480.3510.4570.3750.460.2890.380.3930.4540.3970.2010.6480.4450.2330.69
Percentage of OperatingIncomeLoss0.50.40.40.50.40.50.40.50.50.50.50.20.80.60.30.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.12.10.02.23.13.40.21.30.92.70.32.43.71.60.12.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:RealEstateOperations us-gaap:AllOtherSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingIncomeLoss us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:DataCenterShells


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value8.2668.6229.3648.8868.0126.6335.9826.9969.1168.227.3287.3216.3586.2366.6897.241
Percentage of OperatingIncomeLoss9.19.710.510.59.57.97.38.510.69.89.19.17.97.98.28.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax41.452.10.043.765.548.53.824.421.648.55.386.936.222.94.124.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:RealEstateOperations ofc:DefenseandTechnologyLocations ofc:DataCenterShells0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:FortMeadeandBaltimoreWashingtonCorridor


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value43414241414344424240414141414141
Percentage of OperatingIncomeLoss47.546.947.449.449.851.654.151.749.148.251.251.451.852.451.450.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax215.8252.30.0205.6341.9315.928.3148.8100.0238.029.8493.3238.3151.425.4139.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:RealEstateOperations ofc:DefenseandTechnologyLocations ofc:FortMeadeandBaltimoreWashingtonCorridor0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:LacklandAirForceBase


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value6.1825.6815.6885.4865.4725.2815.4865.5545.4565.6024.8434.8224.8884.8454.8354.831
Percentage of OperatingIncomeLoss6.86.46.46.56.56.36.66.76.36.76.06.06.06.25.95.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.934.30.027.044.738.63.519.412.933.13.557.227.817.82.916.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:RealEstateOperations ofc:DefenseandTechnologyLocations ofc:LacklandAirForceBase0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:NavySupportLocations


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value5.2184.9655.2484.9624.9485.0564.8284.6024.8994.7514.4384.6914.6964.5664.3594.337
Percentage of OperatingIncomeLoss5.75.65.95.95.96.05.95.65.75.75.55.85.85.85.45.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.130.00.024.440.437.03.116.011.628.03.255.726.716.82.614.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:RealEstateOperations ofc:DefenseandTechnologyLocations ofc:NavySupportLocations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:NorthernVirginia


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value9.1749.3359.4379.4549.1128.4938.628.5869.2189.5398.6998.4428.2097.8388.2027.847
Percentage of OperatingIncomeLoss10.110.510.611.210.810.110.410.410.711.410.810.410.110.010.19.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax45.956.40.046.574.562.15.529.921.856.36.3100.246.728.85.026.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:RealEstateOperations ofc:DefenseandTechnologyLocations ofc:NorthernVirginia0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:RedstoneArsenal


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value5.8075.6994.4824.053.0352.8292.7442.4542.3692.42.1942.1652.1432.1932.2172.1
Percentage of OperatingIncomeLoss6.46.45.04.83.63.43.33.02.82.92.72.72.62.82.72.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax29.134.40.019.924.820.71.78.65.614.21.625.712.28.11.37.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:RealEstateOperations ofc:DefenseandTechnologyLocations ofc:RedstoneArsenal0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.9631.9591.45554-2.38-37.5749.334-11.354-14.102-9.415-10.4741.1181.8654.9213.1250.314-0.821.408151.45-5.038-10.4143.123-2.7230.897-2.701-2.2031.771-2.911-1.4280.63-0.7238.5041.120.373-2.128-1.711-0.513
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.811.80.0268.8-19.5-274.65.9-39.6-33.3-55.5-7.613.310.618.11.91.1-0.51.010.71.0-3.5-7.22.2-1.80.5-1.7-1.51.2-2.1-1.00.5-0.56.10.90.3-1.6-1.3-0.4

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities

srt:Subsidiaries


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.45554-2.38-37.5749.334-11.354-14.102-9.415-10.4741.1181.8654.921
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0268.8-19.5-274.65.9-39.6-33.3-55.5-7.613.310.618.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries0.0268.8-19.5-274.60.0-39.6-33.3-55.50.013.310.618.1

Preferred Stock Dividends Income Statement Impact

us-gaap:PreferredStockDividendsIncomeStatementImpact us-gaap:ConsolidatedEntities

us-gaap:PreferredStockDividendsIncomeStatementImpact

srt:Subsidiaries


Preferred
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.0690.0770.0770.0770.0770.1570.1650.1650.1650.1650.1650.1650.1650.1653.2043.345
Percentage of PreferredStockDividendsIncomeStatementImpact100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.40.60.60.00.50.41.00.12.00.90.60.10.62.12.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries0.00.40.60.60.00.50.41.00.02.00.90.60.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value43-6.07983-31.342252544231092218202118112219232629-48.3168.096629417145.937249.055.67192-2.0-4.4051519-20.765116.977-87.2157.47-26.007-18.566168.9269.15110
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax219.6-36.70.0-154.2205.3186.828.481.0259.0131.713.3241.3119.969.06.976.112.716.518.720.6-33.15.643.762.610.19.24.016.06.53.971.9-1.5-3.111.713.8-16.08.94.9-62.75.3-17.7-12.911.67.26.97.1

us-gaap:ProfitLoss us-gaap:ConsolidatedEntities

srt:Subsidiaries


Profit
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value83-31.34225254423109221820211811221822
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.096.998.598.298.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-154.2205.3186.828.481.0259.0131.713.3241.3119.969.06.775.012.516.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries0.0-154.2205.3186.80.081.0259.0131.70.0241.3119.969.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1916242012131572842161388.423172716429151139141142145144143150170161146153139146128136140130137130133143139140146143144124132149
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidatedEntities

srt:Subsidiaries


Revenue
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value24201213252842167.6578.4231727
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.016.4100.0100.0100.05.5100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.016.4100.0100.0100.05.5100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ContractWithCustomerBasisOfPricing

ofc:CostplusFeeContract


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value5.8471213133.5633.3097.4519.906142.061.2672.7191.4960.0580.2240.56
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax29.375.457.065.229.124.24.734.535.412.20.932.38.50.20.11.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax29.375.457.065.229.124.24.734.535.412.20.932.38.50.20.11.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:CostplusFeeContract100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:GuaranteedMaximumPrice


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value112.1017.1984.3585.4325.044131625122.1851.849.539202825
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax57.012.729.521.444.436.98.556.561.072.91.621.854.375.317.284.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax57.012.729.521.444.436.98.556.561.072.91.621.854.375.317.284.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:GuaranteedMaximumPrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:OtherServicesRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.3120.50.3461.3510.2570.2560.3440.2250.2030.2090.2540.2110.2580.2190.3350.232
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.63.01.46.62.11.90.20.80.51.20.22.51.50.80.20.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.63.01.46.62.11.90.20.80.51.20.22.51.50.80.20.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:OtherServicesRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FixedPriceContract


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2.4411.4712.9521.3652.9845.0724.6792.3491.3352.3253.9513.6536.2886.4358.0633.759
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.28.912.16.724.437.13.08.23.213.72.943.435.823.74.912.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.28.912.16.724.437.13.08.23.213.72.943.435.823.74.912.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:FixedPriceContract100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

ofc:ConstructionServiceRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value181523181012252742167.2438.1616253330
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax94.295.296.692.488.794.216.397.599.397.35.296.994.895.320.2100.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax94.295.296.692.488.794.216.397.599.397.35.296.994.895.320.2100.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:ConstructionServiceRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:DesignServiceRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.8480.3020.4870.1861.1280.542-0.210.4840.0860.2520.160.0520.6551.0643.249-0.45
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.21.82.00.99.24.0-0.11.70.21.50.10.63.73.92.0-1.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.21.82.00.99.24.0-0.11.70.21.50.10.63.73.92.0-1.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:DesignServiceRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:OtherServicesRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.3120.50.3461.3510.2570.2560.3440.2250.2030.2090.2540.2110.2580.2190.3350.232
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.63.01.46.62.11.90.20.80.51.20.22.51.50.80.20.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.63.01.46.62.11.90.20.80.51.20.22.51.50.80.20.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:OtherServicesRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value164161164154144145157159175148138137146155164157151139141142145144143150170161146153139146128136140130137130133143139140146143144124132149
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax822.5976.7672.2761.51183.21065.7100.0555.6413.9878.7100.01631.4834.7571.6100.0527.2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidatedEntities

srt:Subsidiaries


Revenuesus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value164154144145157159175148138137146155164157151139
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax672.2761.51183.21065.7100.0555.6413.9878.7100.01631.4834.7571.6100.0527.2100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries672.2761.51183.21065.7611.2555.6413.9878.71808.61631.4834.7571.60.00.00.00.0

us-gaap:Revenues us-gaap:ConsolidatedEntities, us-gaap:ProductOrService

srt:Subsidiaries, ofc:OtherPropertyRevenue


Revenuesus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.5350.5680.3911.1041.2751.2731.3561.0871.2291.2971.2551.145
Percentage of Revenues0.30.40.30.80.80.80.80.70.90.90.90.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.22.83.28.10.84.43.26.40.915.47.14.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries ofc:OtherPropertyRevenue0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Revenues us-gaap:ProductOrService

ofc:OtherPropertyRevenue


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.7650.540.5350.5680.3911.1041.2751.2731.3561.0871.2291.2971.2551.145
Percentage of Revenues0.50.30.30.40.30.80.80.80.80.70.90.90.90.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.83.32.22.83.28.10.84.43.26.40.915.47.14.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:OtherPropertyRevenue0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:RealEstateOperations


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value144145139134132132131130132131130128129128127127
Percentage of Revenues87.889.885.186.991.590.683.682.075.888.694.593.988.082.577.681.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax722.5876.7572.2661.51083.2965.783.6455.6313.9778.794.51531.4734.7471.677.6427.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:RealEstateOperations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Revenues us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value118119115112110108110107108108106104105104103102
Percentage of Revenues72.174.070.672.876.174.670.167.761.972.977.176.471.767.062.965.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax593.0722.6474.5554.6901.0795.270.1376.2256.4640.377.11245.8598.5382.862.9343.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:RealEstateOperations ofc:DefenseandTechnologyLocations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:RealEstateOperations, ofc:RegionalOffice


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value16161514151514151514151515151516
Percentage of Revenues10.310.39.29.610.510.69.09.78.610.011.111.110.49.89.610.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax84.5100.761.973.4123.9113.09.054.035.587.511.1181.387.056.29.655.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:RealEstateOperations ofc:RegionalOffice0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:RealEstateOperations, ofc:WholesaleDataCenter


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value8.1758.098.0936.0686.4557.1726.4096.5658.567.8717.9297.7818.1058.0777.6747.398
Percentage of Revenues5.05.04.93.94.54.94.14.14.95.35.75.75.55.24.74.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax40.948.933.229.952.852.44.122.920.246.45.792.446.129.74.724.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:RealEstateOperations ofc:WholesaleDataCenter0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:RealEstateOperations, us-gaap:AllOtherSegments


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.8340.7470.6630.7530.6770.6980.7530.7040.7410.7630.7931.0030.5340.7970.661.007
Percentage of Revenues0.50.50.40.50.50.50.50.40.40.50.60.70.40.50.40.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.24.52.73.75.55.10.52.51.84.50.611.93.02.90.43.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:RealEstateOperations us-gaap:AllOtherSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Revenues us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:DataCenterShells


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value8.078.7878.4917.9957.0765.5774.685.9138.6247.3547.1756.6895.9555.8316.3226.676
Percentage of Revenues4.95.45.25.24.93.83.03.74.94.95.24.94.13.83.84.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax40.453.134.839.357.840.83.020.620.443.45.279.433.921.43.822.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:RealEstateOperations ofc:DefenseandTechnologyLocations ofc:DataCenterShells0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:FortMeadeandBaltimoreWashingtonCorridor


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value64666363626465636162626161626261
Percentage of Revenues39.441.138.940.943.344.241.239.835.242.145.344.742.240.437.839.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax324.4401.3261.2311.6512.4471.041.2221.1145.8369.845.3728.9352.6230.837.8205.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:RealEstateOperations ofc:DefenseandTechnologyLocations ofc:FortMeadeandBaltimoreWashingtonCorridor0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:LacklandAirForceBase


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value13121312131214121211111112111111
Percentage of Revenues8.37.88.08.19.28.39.48.06.97.88.18.28.47.47.07.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax68.575.853.562.0108.388.39.444.328.668.28.1133.670.442.17.037.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:RealEstateOperations ofc:DefenseandTechnologyLocations ofc:LacklandAirForceBase0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:NavySupportLocations


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value8.4458.3988.4038.0068.1198.3418.1368.1838.1858.1558.0317.8998.1277.877.5877.494
Percentage of Revenues5.15.25.15.25.65.75.25.14.75.55.85.75.55.14.64.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax42.350.734.439.466.461.05.228.519.448.15.893.846.228.94.625.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:RealEstateOperations ofc:DefenseandTechnologyLocations ofc:NavySupportLocations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:NorthernVirginia


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value14151414141313131314131313121212
Percentage of Revenues8.99.49.19.510.09.48.58.57.910.010.010.28.98.17.47.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax73.691.961.472.3118.1100.08.547.232.987.510.0165.774.646.27.440.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:RealEstateOperations ofc:DefenseandTechnologyLocations ofc:NorthernVirginia0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:RedstoneArsenal


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value8.7758.2537.1136.0794.6474.6764.5154.1713.9683.9393.7263.7343.6523.6333.7063.532
Percentage of Revenues5.35.14.33.93.23.22.92.62.32.62.72.72.52.32.32.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax43.949.829.229.938.034.22.914.59.423.22.744.320.813.42.311.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ofc:RealEstateOperations ofc:DefenseandTechnologyLocations ofc:RedstoneArsenal0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value9.2228.4069.897.4678.1587.4869.3367.9299.3868.7517.0816.8997.6287.2926.9997.3687.8598.6117.7898.8558.026118.4977.4397.5347.8918.9127.2117.5288.1438.4398.0276.5837.827.1036.3778.8519.569
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax46.150.840.536.766.754.75.927.622.251.65.181.943.426.84.324.75.26.25.56.25.58.25.94.94.44.96.14.75.45.66.65.94.76.05.24.96.66.7

us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ConsolidatedEntities

srt:Subsidiaries


Selling
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9.897.4678.1587.4869.3367.9299.3868.7517.0816.8997.6287.292
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax40.536.766.754.75.927.622.251.65.181.943.426.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries40.536.766.754.736.227.622.251.692.581.943.426.8

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
Value40524112407741204011405438543855380337753656365036123596357835593574373937803634384139373909391839103777367036803709360536293755369936853653359737153797386739653868386538443380
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

us-gaap:Assets dei:LegalEntity, us-gaap:ConsolidatedEntities

ofc:LwRedstoneCompanyLlc, us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsdei:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value429418403371335285
Percentage of Assets10.610.29.99.08.47.0
Percentage of Assets10.610.29.99.08.47.0
Percentage of Assets ofc:LwRedstoneCompanyLlc us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0100.0100.0

ofc:MSquareAssociatesLlc, us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsdei:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value101101100989291
Percentage of Assets2.52.52.52.42.32.2
Percentage of Assets2.52.52.52.42.32.2
Percentage of Assets ofc:MSquareAssociatesLlc us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0100.0100.0

ofc:StevensInvestorsLLC, us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsdei:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value163161161153141135
Percentage of Assets4.03.94.03.73.53.4
Percentage of Assets4.03.94.03.73.53.4
Percentage of Assets ofc:StevensInvestorsLLC us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

srt:Subsidiaries


Assetsus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value4073411740084052385138513799377136523590
Percentage of Assets99.999.999.999.999.999.999.999.999.9100.3
Percentage of Assets99.999.999.999.999.999.999.999.999.9100.3
Percentage of Assets srt:Subsidiaries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value693681665623569512
Percentage of Assets17.116.616.315.114.212.6
Percentage of Assets17.116.616.315.114.212.6
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value177209190194172658621597523485410420431425411413452429418421413444450416527
Percentage of Assets4.45.14.74.74.316.316.115.513.812.911.211.511.911.811.511.612.711.511.111.610.811.311.510.613.5
Percentage of Assets4.45.14.74.74.316.316.115.513.812.911.211.511.911.811.511.612.711.511.111.610.811.311.510.613.5
Percentage of Assets us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MaterialReconcilingItems


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value441492466642679311190217227165160155138144156149146357358185138188193140157
Percentage of Assets10.912.011.515.616.97.74.95.66.04.44.44.33.84.04.44.24.19.69.55.13.64.84.93.64.0
Percentage of Assets10.912.011.515.616.97.74.95.66.04.44.44.33.84.04.44.24.19.69.55.13.64.84.93.64.0
Percentage of Assets us-gaap:MaterialReconcilingItems100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value3403338033883256314030663024302430363108308430743042302530112997297529523004302732893305326533543218311029512905
Percentage of Assets84.082.283.179.078.375.678.578.479.882.384.484.284.284.184.184.283.279.079.583.385.683.983.585.682.382.380.480.0
Percentage of Assets84.082.283.179.078.375.678.578.479.882.384.484.284.284.184.184.283.279.079.583.385.683.983.585.682.382.380.480.0
Percentage of Assets us-gaap:OperatingSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems, us-gaap:ProductOrService

us-gaap:OperatingSegments, ofc:RealEstateOperations


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value34033380338832563140306630243024303631083084307430423025302830143022
Percentage of Assets84.082.283.179.078.375.678.578.479.882.384.484.284.284.184.684.779.9
Percentage of Assets84.082.283.179.078.375.678.578.479.882.384.484.284.284.184.684.779.9
Percentage of Assets us-gaap:OperatingSegments ofc:RealEstateOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value26652689269226612542247224262421242924962468245524202401239823752326
Percentage of Assets65.865.466.164.663.461.062.962.863.966.167.567.367.066.867.066.761.5
Percentage of Assets65.865.466.164.663.461.062.962.863.966.167.567.367.066.867.066.761.5
Percentage of Assets us-gaap:OperatingSegments ofc:RealEstateOperations ofc:DefenseandTechnologyLocations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, ofc:RealEstateOperations, ofc:RegionalOffice


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value538488490387389390392393393394395396396397400398442
Percentage of Assets13.311.912.09.49.79.610.210.210.310.410.810.911.011.011.211.211.7
Percentage of Assets13.311.912.09.49.79.610.210.210.310.410.810.911.011.011.211.211.7
Percentage of Assets us-gaap:OperatingSegments ofc:RealEstateOperations ofc:RegionalOffice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, ofc:RealEstateOperations, ofc:WholesaleDataCenter


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value196199202204205200202205209213216219221222224226231
Percentage of Assets4.84.85.05.05.15.05.35.35.55.75.96.06.16.26.36.46.1
Percentage of Assets4.84.85.05.05.15.05.35.35.55.75.96.06.16.26.36.46.1
Percentage of Assets us-gaap:OperatingSegments ofc:RealEstateOperations ofc:WholesaleDataCenter100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, ofc:RealEstateOperations, us-gaap:AllOtherSegments


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value3.4533.4963.5553.6433.713.6773.6853.7083.7763.9044.1153.9974.2134.1254.0821321
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.40.6
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.40.6
Percentage of Assets us-gaap:OperatingSegments ofc:RealEstateOperations us-gaap:AllOtherSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

us-gaap:OperatingSegments, ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:DataCenterShells


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value353419419446382334279298307370353359330302301275227
Percentage of Assets8.710.210.310.89.58.27.27.78.19.89.79.99.28.48.47.76.0
Percentage of Assets8.710.210.310.89.58.27.27.78.19.89.79.99.28.48.47.76.0
Percentage of Assets us-gaap:OperatingSegments ofc:RealEstateOperations ofc:DefenseandTechnologyLocations ofc:DataCenterShells100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:FortMeadeandBaltimoreWashingtonCorridor


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value12661270127712641271127512801271127412791279128012691273126312651255
Percentage of Assets31.330.931.330.731.731.533.233.033.533.935.035.135.135.435.335.633.2
Percentage of Assets31.330.931.330.731.731.533.233.033.533.935.035.135.135.435.335.633.2
Percentage of Assets us-gaap:OperatingSegments ofc:RealEstateOperations ofc:DefenseandTechnologyLocations ofc:FortMeadeandBaltimoreWashingtonCorridor100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:LacklandAirForceBase


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value189141142143144145146147146145139126126127128129131
Percentage of Assets4.73.43.53.53.63.63.83.83.93.93.83.53.53.63.63.63.5
Percentage of Assets4.73.43.53.53.63.63.83.83.93.93.83.53.53.63.63.63.5
Percentage of Assets us-gaap:OperatingSegments ofc:RealEstateOperations ofc:DefenseandTechnologyLocations ofc:LacklandAirForceBase100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:NavySupportLocations


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value174176178180181183184186187189188189190192194194196
Percentage of Assets4.34.34.44.44.54.54.84.84.95.05.25.25.35.35.45.55.2
Percentage of Assets4.34.34.44.44.54.54.84.84.95.05.25.25.35.35.45.55.2
Percentage of Assets us-gaap:OperatingSegments ofc:RealEstateOperations ofc:DefenseandTechnologyLocations ofc:NavySupportLocations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:NorthernVirginia


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value385388392392394395396398398400399394396399402400404
Percentage of Assets9.59.59.69.59.89.710.310.310.510.610.910.811.011.111.211.310.7
Percentage of Assets9.59.59.69.59.89.710.310.310.510.610.910.811.011.111.211.310.7
Percentage of Assets us-gaap:OperatingSegments ofc:RealEstateOperations ofc:DefenseandTechnologyLocations ofc:NorthernVirginia100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:RedstoneArsenal


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value295293281234167138138118115110108105106107108108110
Percentage of Assets7.37.16.95.74.23.43.63.13.02.93.02.92.93.03.03.12.9
Percentage of Assets7.37.16.95.74.23.43.63.13.02.93.02.92.93.03.03.12.9
Percentage of Assets us-gaap:OperatingSegments ofc:RealEstateOperations ofc:DefenseandTechnologyLocations ofc:RedstoneArsenal100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value23542430235724472331236621052130205420922002201520792090210321212132211321632110231823312273231823732228213022642290211521142304225721342206234723612596264926572514259425212259
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 Assets58.159.157.859.458.158.454.655.354.055.454.855.257.658.158.859.659.656.557.258.160.459.258.259.260.759.058.161.561.858.758.361.461.057.960.465.263.668.468.567.065.067.165.666.8

us-gaap:Liabilities dei:LegalEntity, us-gaap:ConsolidatedEntities

ofc:LwRedstoneCompanyLlc, us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesdei:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value8989100104107100
Percentage of Liabilities3.83.74.34.34.64.2
Percentage of Assets2.22.22.52.52.72.5
Percentage of Assets ofc:LwRedstoneCompanyLlc us-gaap:VariableInterestEntityPrimaryBeneficiary21.021.424.928.032.035.2

ofc:MSquareAssociatesLlc, us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesdei:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value525355565656
Percentage of Liabilities2.22.22.32.32.42.4
Percentage of Assets1.31.31.41.41.41.4
Percentage of Assets ofc:MSquareAssociatesLlc us-gaap:VariableInterestEntityPrimaryBeneficiary52.152.955.157.160.461.8

ofc:StevensInvestorsLLC, us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesdei:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value898788816964
Percentage of Liabilities3.83.63.73.33.02.7
Percentage of Assets2.22.12.22.01.71.6
Percentage of Assets ofc:StevensInvestorsLLC us-gaap:VariableInterestEntityPrimaryBeneficiary54.654.054.452.749.347.6

us-gaap:Liabilities us-gaap:ConsolidatedEntities

srt:Subsidiaries


Liabilitiesus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value2354244423282364210221262050208819982099
Percentage of Liabilities99.999.999.999.999.999.899.899.899.899.8
Percentage of Assets57.859.358.158.354.655.253.955.354.758.7
Percentage of Assets srt:Subsidiaries57.859.458.158.354.655.254.055.454.758.5

us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value231230243241233221
Percentage of Liabilities9.89.510.39.910.09.4
Percentage of Assets5.75.66.05.95.85.5
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary33.433.836.638.740.943.2

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
Value40524112407741204011405438543855380337753656365036123596357835593574373937803634384139373909391839103777367036803709360536293755369936853653359737153797386739653868386538443380
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

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidatedEntities

srt:Subsidiaries


Liabilities
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value4073411740084052385138513799377136523590
Percentage of LiabilitiesAndStockholdersEquity99.999.999.999.999.999.999.999.999.9100.3
Percentage of Assets99.999.999.999.999.999.999.999.999.9100.3
Percentage of Assets srt:Subsidiaries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value16371623166116091616162416781656167216101585156814421416138613491352153515231433143215121544150914501462145113301330140214251365135714701365117312741119113512191259117712261027
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets40.439.540.739.140.340.143.643.044.042.643.443.039.939.438.737.937.841.140.339.437.338.439.538.537.138.739.536.135.938.939.336.436.739.937.432.634.329.529.430.832.630.531.930.4

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:Subsidiaries


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1681163716441653170716841702163916131455
Percentage of StockholdersEquity101.2101.8101.8101.7101.7101.7101.8101.8101.8105.0
Percentage of Assets41.239.741.040.844.343.744.843.444.140.7
Percentage of Assets srt:Subsidiaries41.339.841.040.844.343.744.843.544.240.6

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
Value17361811211591434467.788.0669.4928.4728.888121010226209471362603.84374.4296.07740761854279.19623105.0094.7027.9875.55911111210119.879108.2626.77524
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 Assets0.40.90.50.30.53.90.40.91.20.20.20.30.20.20.30.30.36.15.61.30.31.61.50.10.90.10.21.12.10.51.50.70.20.60.30.10.10.20.10.30.30.30.30.00.00.00.20.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

srt:Subsidiaries


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value1811211591434467.788.0669.4928.4728.8881220960
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.30.53.90.40.91.20.20.20.30.20.20.35.61.5
Percentage of Assets srt:Subsidiaries0.50.30.53.90.40.91.20.20.20.00.00.00.30.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value2140221425162183750111112121214121322821262
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.51.00.50.40.64.00.51.01.30.30.30.40.30.30.40.40.46.15.61.6

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents us-gaap:ConsolidatedEntities

srt:Subsidiaries


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value22142516218375011111212121421262
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.40.64.00.51.01.30.30.30.40.30.30.45.61.6
Percentage of Assets srt:Subsidiaries0.50.40.64.00.51.01.30.30.30.00.00.00.40.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value9.99310107.0876.4075.3315.2565.4225.3034.9895.2045.4925.6865.6696.0045.9416.346.3496.6376.5276.9197.0686.5566.7057.0937.6167.9918.6579.2489.60710101011
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.30.30.20.20.10.10.20.10.10.10.20.10.10.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.30.30.30.30.3

us-gaap:PropertyPlantAndEquipmentNet us-gaap:ConsolidatedEntities

srt:Subsidiaries


Property
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value10109.0157.627.8237.9318.2528.4538.635.256
Percentage of PropertyPlantAndEquipmentNet100.00.00.00.00.00.00.00.00.0100.0
Percentage of Assets0.30.20.20.20.20.20.20.20.20.1
Percentage of Assets srt:Subsidiaries0.30.20.20.20.20.20.20.20.20.1

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312011-12-312011-09-302011-06-302010-12-31
Value40282949505151496539394040412525252525250.00.1250.1211922
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0
Percentage of Assets1.00.70.71.21.31.31.31.31.71.01.11.11.11.10.70.70.70.70.70.70.00.00.00.50.6

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidatedEntities

srt:Subsidiaries


Investments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value2949505151496539394143
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0166.7170.9
Percentage of Assets0.71.21.31.31.31.31.71.01.11.21.2
Percentage of Assets srt:Subsidiaries0.71.21.31.31.31.31.71.01.11.20.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
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
Value16181922242627293133434750545964697378848893981068161434851555964687275817683899799106113100
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.50.50.60.60.70.80.80.91.21.31.41.51.71.81.92.02.12.32.32.42.52.72.11.61.21.31.41.51.61.71.82.02.12.32.12.22.32.52.62.83.03.0

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:ConsolidatedEntities

srt:Subsidiaries


Intangible
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value19222426272931334359
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.60.60.70.80.80.91.21.7
Percentage of Assets srt:Subsidiaries0.50.50.60.60.70.80.80.91.21.6

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:FiniteLivedIntangibleAssetsByMajorClass

ofc:InPlaceLeaseValue


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-312012-09-302011-12-312011-09-302011-06-302010-12-31
Value8.68311142132455038312231414553580.070
Percentage of IntangibleAssetsNetExcludingGoodwill44.940.533.936.341.745.947.847.151.051.853.454.855.760.359.90.061.8
Percentage of Assets0.20.30.40.60.91.21.31.00.80.60.91.11.31.41.50.01.8
Percentage of Assets ofc:InPlaceLeaseValue0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:Other


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value0.3090.3240.3390.3530.3670.3810.395
Percentage of IntangibleAssetsNetExcludingGoodwill1.61.20.80.60.50.40.9
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets ofc:Other0.00.00.00.00.00.00.0

us-gaap:CustomerRelationships


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-312012-09-302011-12-312010-12-31
Value101520273338403020131823242228
Percentage of IntangibleAssetsNetExcludingGoodwill51.856.946.847.143.139.438.237.833.031.531.130.930.425.525.2
Percentage of Assets0.20.40.60.80.91.01.00.80.50.40.50.60.70.60.7
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LeasesAcquiredInPlaceMarketAdjustment


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-312012-09-302011-12-312010-12-31
Value0.3380.40.6771.8523.6855.7195.8575.8773.1610.50.9551.4931.6472.0812.609
Percentage of IntangibleAssetsNetExcludingGoodwill1.71.51.63.14.75.85.57.25.11.11.62.02.02.32.3
Percentage of Assets0.00.00.00.10.10.10.10.20.10.00.00.00.00.10.1
Percentage of Assets us-gaap:LeasesAcquiredInPlaceMarketAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value1928000.01957000.01989000.02080000.01774000.01837000.01892000.03036000.0
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.10.00.10.10.1

us-gaap:DeferredTaxAssetsLiabilitiesNet dei:LegalEntity

ofc:TaxableReitSubsidiary


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1989000.02328000.02084000.01892000.03036000.03467000.04002000.04305000.06612000.06923000.0
Percentage of DeferredTaxAssetsLiabilitiesNet100.00.00.0100.0100.00.00.00.00.00.0
Percentage of Assets0.00.10.10.10.10.10.10.10.20.2
Percentage of Assets ofc:TaxableReitSubsidiary0.00.00.00.00.00.00.00.00.00.0

us-gaap:DeferredTaxAssetsLiabilitiesNet us-gaap:ConsolidatedEntities

srt:Subsidiaries


Deferred
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1989000.02246000.02249000.02279000.02328000.02294000.02164000.01890000.02084000.01892000.0
Percentage of DeferredTaxAssetsLiabilitiesNet100.00.00.00.00.00.00.00.00.0100.0
Percentage of Assets0.00.10.10.10.10.10.10.10.10.1
Percentage of Assets srt:Subsidiaries0.00.10.10.10.10.10.10.10.10.1

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value39394036312727
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.01.00.90.80.70.7

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:ConsolidatedEntities

srt:Subsidiaries


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value4036312727
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0
Percentage of Assets1.00.90.80.70.7
Percentage of Assets srt:Subsidiaries1.00.90.80.70.7

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value7.2126.4885.2744.6484.8086.4364.8214.2944.4187.6585.9836.7276.1324.235.6476.4953.2672.9392.6013.7334.574.6164.2683.2576.8358.8594.6086.4724.9985.35811121111
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.10.10.10.20.10.10.10.20.20.20.20.10.10.20.10.10.10.10.10.10.10.10.20.20.10.20.10.10.30.30.30.3

us-gaap:OtherAssets us-gaap:ConsolidatedEntities

srt:Subsidiaries


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value5.2744.9058.9985.3754.6164.4194.7716.8156.3372.177
Percentage of OtherAssets100.00.00.00.00.00.00.00.00.045.2
Percentage of Assets0.10.10.20.10.10.10.10.20.20.1
Percentage of Assets srt:Subsidiaries0.10.10.20.10.10.10.10.20.20.1

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
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
Value21092207208621812012207618311862178418761823180818711854182818731897190319041873209421402077212121301999192020492099193119272135209319572019216921912418242624202299239623232053
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets52.153.751.252.950.251.247.548.346.949.749.949.551.851.651.152.653.150.950.451.654.554.353.154.154.552.952.355.756.653.653.156.856.653.155.360.359.063.762.761.059.462.060.460.8

us-gaap:LongTermDebt us-gaap:ConsolidatedEntities

srt:Subsidiaries


Long
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value2086218120122076183118621784187618231828
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets51.252.950.251.247.548.346.949.749.951.1
Percentage of Assets srt:Subsidiaries51.253.050.251.347.548.447.049.749.950.9

us-gaap:LongTermDebt us-gaap:DebtInstrument

ofc:TermLoanFacility


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value398398398398398397248248248248248620670770770770650650400400
Percentage of LongTermDebt18.918.119.118.319.819.213.613.313.913.213.629.032.039.338.135.529.726.916.516.5
Percentage of Assets9.89.79.89.79.99.86.56.46.56.66.816.518.120.921.121.417.517.110.310.1
Percentage of Assets ofc:TermLoanFacility0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NotesPayableOtherPayables


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value0.8280.8640.90.9350.971.0041.0381.0711.1031.1351.1671.1981.2281.2581.2871.3171.3461.3741.4011.508
Percentage of LongTermDebt0.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NotesPayableOtherPayables0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevolvingCreditFacility


Long
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value16914357169242177220163262213991701531261701940.00.00.043
Percentage of LongTermDebt8.06.92.68.411.79.711.89.114.011.75.59.18.26.99.110.20.00.00.02.1
Percentage of Assets4.23.51.44.26.04.65.74.36.95.82.74.74.33.54.85.40.00.00.01.1
Percentage of Assets us-gaap:RevolvingCreditFacility0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SeniorNotes


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value130012001200120012001200890592230227
Percentage of LongTermDebt62.365.565.865.663.057.846.430.711.49.4
Percentage of Assets31.931.132.833.531.730.724.316.36.35.9
Percentage of Assets us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.0

us-gaap:UnsecuredDebt


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value0.91.01.21.31.41.4281.4551.4821.51.5331.5581.5831.6071.6311.6541.6771.71.7231.7451.7661.7881.8095.1065.0785.055.0224.9951.947
Percentage of LongTermDebt0.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.1
Percentage of Assets us-gaap:UnsecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

ofc:A225SeniorNotes, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value394394394394
Percentage of LongTermDebt18.717.918.918.1
Percentage of Assets9.79.69.79.6
Percentage of Assets ofc:A225SeniorNotes us-gaap:SeniorNotes0.00.00.00.0

ofc:A275SeniorNotes, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-31
Value588588
Percentage of LongTermDebt27.926.6
Percentage of Assets14.514.3
Percentage of Assets ofc:A275SeniorNotes us-gaap:SeniorNotes0.00.0

ofc:A3.60SeniorNotes, us-gaap:SeniorNotes


Long
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value1653483483483483483483483483473473473473473473473473473473463463463473473473473473473473473473470.0
Percentage of LongTermDebt7.516.716.017.316.819.018.719.518.619.119.218.618.719.018.518.318.218.218.516.616.216.716.416.317.418.116.916.518.018.016.316.60.0
Percentage of Assets4.08.68.58.78.69.09.09.29.29.59.59.69.79.79.89.79.39.29.59.08.88.98.98.99.29.59.49.49.69.69.29.40.0
Percentage of Assets ofc:A3.60SeniorNotes us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:A3.70SeniorNotes, us-gaap:SeniorNotes


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value1762992992992992992982982982982982982982982972972972972972972972972972972972970.0
Percentage of LongTermDebt8.114.914.416.316.116.815.916.416.516.016.116.315.915.715.715.615.914.213.914.314.014.014.915.514.514.20.0
Percentage of Assets4.37.57.47.87.87.97.98.28.28.38.38.38.48.38.07.98.27.77.67.67.67.67.98.18.18.00.0
Percentage of Assets ofc:A3.70SeniorNotes us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:A5.250SeniorNotes, us-gaap:SeniorNotes


Long
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value1032482482472472472472472472472472462462462462462462462462452452452462452452452452452452452450.0
Percentage of LongTermDebt4.711.911.412.311.913.513.313.913.213.513.713.213.313.513.213.012.912.913.111.711.511.811.611.512.312.812.011.712.712.711.50.0
Percentage of Assets2.56.16.06.26.16.46.46.56.56.86.86.86.96.96.96.96.66.56.86.46.26.36.36.36.56.76.76.66.86.86.50.0
Percentage of Assets ofc:A5.250SeniorNotes us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:FivePercentSeniorNotes, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value2982982972972972972972972972972972972962962962962962962962962962962962962960.0
Percentage of LongTermDebt14.113.514.313.714.814.316.216.016.715.816.316.415.916.016.215.815.615.615.615.814.113.814.214.013.90.0
Percentage of Assets7.47.27.37.27.47.37.77.77.87.98.18.18.28.38.38.38.37.97.88.27.77.57.67.67.60.0
Percentage of Assets ofc:FivePercentSeniorNotes us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:FixedRateSecuredDebt, us-gaap:SecuredDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value138139139140141142143144145146147148148149150151152153154281
Percentage of LongTermDebt6.66.36.76.57.06.97.87.78.17.88.18.28.08.18.28.18.08.18.113.5
Percentage of Assets3.43.43.43.43.53.53.73.73.83.94.04.14.14.24.24.34.34.14.17.2
Percentage of Assets ofc:FixedRateSecuredDebt us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:VariableRateDebt, us-gaap:SecuredDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value1211191151181081006855342623201213131313131349
Percentage of LongTermDebt5.75.45.55.45.44.83.73.01.91.41.31.20.70.70.70.70.70.70.72.4
Percentage of Assets3.02.92.82.92.72.51.81.50.90.70.60.60.40.40.40.40.40.40.41.3
Percentage of Assets ofc:VariableRateDebt us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:LongtermDebtType

us-gaap:SecuredDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value259258255259250242211200179173170168161162163164165166167331
Percentage of LongTermDebt12.311.712.211.912.411.711.510.710.19.29.39.38.78.89.08.88.78.88.815.9
Percentage of Assets6.46.36.36.36.26.05.55.24.74.64.74.64.54.54.64.64.64.54.48.5
Percentage of Assets us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3433324040404039464541416665656466667167677172696767696769707168697071767981828793939693
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.80.81.01.01.01.01.01.21.21.11.11.81.81.81.81.91.81.91.91.81.81.81.81.71.81.91.81.91.92.01.81.91.91.92.12.12.12.12.22.42.42.52.8

us-gaap:MinorityInterest us-gaap:ConsolidatedEntities

srt:Subsidiaries


Minority
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value12121111111117161312
Percentage of MinorityInterest37.530.029.629.429.628.936.436.332.918.8
Percentage of Assets0.30.30.30.30.30.30.40.40.40.3
Percentage of Assets srt:Subsidiaries0.30.30.30.30.30.30.40.40.40.3

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-03-312018-12-31
Value3352000.03352000.03332000.02566000.01352000.01138000.01138000.01128000.01110000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.00.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-03-312018-12-31
Value3403000.03403000.03382000.02601000.01358000.01162000.01162000.01111000.01094000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.00.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-03-312018-12-31
Value1749000.01749000.03434000.02636000.01363000.01167000.01167000.01129000.01115000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.10.10.00.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-312020-03-312019-12-312019-03-312018-12-31
Value1780000.01173000.01173000.01135000.01119000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.0

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-312020-03-312019-12-312019-03-312018-12-31
Value1261001009983
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0100.0100.0100.0100.0
Percentage of Assets3.12.52.62.62.3

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value29303026201717161616
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.80.60.50.40.40.40.40.4

us-gaap:OperatingLeaseLiability us-gaap:ConsolidatedEntities

srt:Subsidiaries


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value3026201717
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0
Percentage of Assets0.80.60.50.40.4
Percentage of Assets srt:Subsidiaries0.80.60.50.40.4

us-gaap:OperatingLeaseLiability us-gaap:ConsolidationItems

us-gaap:OperatingSegments


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
Value293030261917171616160.00.00.00.0
Percentage of OperatingLeaseLiability100.199.999.998.891.7100.0100.099.899.298.30.00.00.00.0
Percentage of Assets0.70.70.80.60.50.40.40.40.40.40.00.00.00.0
Percentage of Assets us-gaap:OperatingSegments0.90.90.90.80.60.60.60.60.50.50.00.00.00.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-03-312018-12-31
Value13713814112911910610610488
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.43.43.53.13.02.62.82.82.4

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value107108110102998889
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.72.62.72.52.52.22.3

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value16371623166116091616162416781656167216101585156814421416138613491352153515231433143215121544150914501462145113301330140214251365135714701365117312741119113512191259117712261027
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets40.439.540.739.140.340.143.643.044.042.643.443.039.939.438.737.937.841.140.339.437.338.439.538.537.138.739.536.135.938.939.336.436.739.937.432.634.329.529.430.832.630.531.930.4

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:Subsidiaries


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1681163716441653170716841702163916131455
Percentage of StockholdersEquity101.2101.8101.8101.7101.7101.7101.8101.8101.8105.0
Percentage of Assets41.239.741.040.844.343.744.843.444.140.7
Percentage of Assets srt:Subsidiaries41.339.841.040.844.343.744.843.544.240.6

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value167116561693164916561665171916951719165616271609150814821451141414181601159415001500158316161579151715291520139713991473149714341426154014361250135312001218130713531271132310891111111011201082969
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets41.240.341.540.041.341.144.644.045.243.944.544.141.841.240.639.739.742.842.241.339.140.241.440.338.840.541.438.037.740.941.238.238.641.839.334.836.431.631.533.035.032.934.40.00.00.033.20.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:ConsolidatedEntities

srt:Subsidiaries


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value169316491656166517191695171916561627160915081482146816121616
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0101.2101.1100.0
Percentage of Assets41.540.041.341.144.644.045.243.944.544.141.841.241.042.741.4
Percentage of Assets srt:Subsidiaries41.640.141.341.144.644.045.243.944.60.00.00.040.90.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:Subsidiaries, us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value-9.155-10.563-65.183-62.843-25.648-34.891-23.638-9.536-0.121109.2357.372.173-1.854-2.985
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.5-0.6-3.9-3.8-1.5-2.1-1.4-0.6-0.00.60.60.50.1-0.1-0.2
Percentage of Assets-0.2-0.3-1.6-1.5-0.7-0.9-0.6-0.3-0.00.30.30.20.1-0.0-0.1
Percentage of Assets srt:Subsidiaries us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

srt:Subsidiaries, us-gaap:CommonStock


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value169016391701170717241710171616401604157714771453144514191400
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest99.899.4102.7102.5100.3100.999.999.098.698.098.098.199.589.086.6
Percentage of Assets41.539.842.442.144.744.445.143.443.943.240.940.440.437.535.8
Percentage of Assets srt:Subsidiaries us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

srt:Subsidiaries, us-gaap:NoncontrollingInterest


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value121211111111171613131212121310
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.70.70.70.70.70.71.01.00.80.80.90.80.80.90.7
Percentage of Assets0.30.30.30.30.30.30.40.40.40.40.40.40.30.40.3
Percentage of Assets srt:Subsidiaries us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedDistributionsInExcessOfNetIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-835.894-847.407-809.836-860.647-797.959-790.6-778.275-790.235-780.667-856.703-846.808-833.508-822.27-813.302-818.19-800.29-793.828-774.445-765.276-759.262-756.94-679.935-657.172-686.986-747.234-733.459-717.264-692.978-688.033-665.708-641.868-700.368-668.892-632.134-617.455-610.659-562.678-549.456-532.288-416.342-389.195-331.313-281.794-265.695-246.008-227.189-209.941-162.572-129.599
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-50.0-51.1-47.8-52.2-48.2-47.5-45.3-46.6-45.4-51.7-52.0-51.8-54.5-54.9-56.4-56.6-55.9-48.3-48.0-50.6-50.4-42.9-40.7-43.5-49.2-47.9-47.2-49.6-49.2-45.2-42.9-48.8-46.9-41.0-43.0-48.8-41.6-45.8-43.7-31.8-28.8-26.1-21.3-24.4-22.1-20.5-18.7-15.0-13.4
Percentage of Assets-20.6-20.6-19.9-20.9-19.9-19.5-20.2-20.5-20.5-22.7-23.2-22.8-22.8-22.6-22.9-22.5-22.2-20.7-20.2-20.9-19.7-17.3-16.8-17.5-19.1-19.4-19.5-18.8-18.5-18.5-17.7-18.6-18.1-17.2-16.9-17.0-15.1-14.5-13.8-10.5-10.1-8.6-7.30.00.00.0-6.20.00.0
Percentage of Assets us-gaap:AccumulatedDistributionsInExcessOfNetIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-6.415-7.391-9.157-10.548-64.513-62.201-25.444-34.58-23.465-9.538-0.238109.0127.2042.167-0.859-1.163-0.37-1.731-16.314-17.712-12.862-2.838-5.823-3.141-3.947-1.2970.871-0.7612.0723.482.9253.631-4.41-5.435-5.688-3.717-2.201-1.733-28.618-9.624-3.197-4.163-4.861-4.263-3.278-1.907-4.749-2.372
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.4-0.4-0.5-0.6-3.9-3.7-1.5-2.0-1.4-0.6-0.00.60.60.50.1-0.1-0.1-0.0-0.1-1.1-1.2-0.8-0.2-0.4-0.2-0.3-0.10.1-0.10.10.20.20.3-0.3-0.4-0.5-0.3-0.2-0.1-2.2-0.7-0.3-0.3-0.4-0.4-0.3-0.2-0.4-0.2
Percentage of Assets-0.2-0.2-0.2-0.3-1.6-1.5-0.7-0.9-0.6-0.3-0.00.30.20.20.1-0.0-0.0-0.0-0.0-0.4-0.5-0.3-0.1-0.1-0.1-0.1-0.00.0-0.00.10.10.10.1-0.1-0.1-0.2-0.1-0.1-0.0-0.7-0.2-0.1-0.10.00.00.0-0.10.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value247824762478247924772476248124802475247524312390225422212201215021462136211620082007200520042002200019991969182218191816181418121772177216531455145016701668166316571511151112711269124412381112971
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest148.3149.5146.4150.3149.6148.7144.3146.2144.0149.5149.4148.5149.4149.9151.6152.0151.3133.4132.7133.8133.8126.6124.0126.8131.8130.7129.5130.4130.0123.3121.2126.4124.3115.0115.1116.4107.2139.1137.0127.2122.5118.9114.3116.7114.2112.0110.5102.8100.2
Percentage of Assets61.260.260.860.261.861.164.464.365.165.666.565.562.461.861.560.460.057.156.055.352.350.951.351.151.252.953.749.549.050.450.048.347.948.145.340.539.144.043.142.042.839.139.30.00.00.036.60.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value1.1231.1231.1221.1221.1221.1221.1211.1211.1191.1191.1021.0881.0331.0221.0130.9960.9950.9940.9850.9480.9470.9470.9450.9450.9460.9450.9330.8770.8770.8760.8740.8740.8580.8580.8090.7220.7210.720.720.720.7190.6710.6690.5940.5930.5890.5830.5180.474
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value3433324040404039464541416665656466667167677172696767696769707168697071767981828793939688929693136129
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest2.02.01.92.42.42.42.32.32.72.82.62.64.44.44.54.64.74.24.54.54.54.54.54.44.44.44.64.84.94.84.84.84.84.64.96.15.96.86.86.76.97.47.38.18.38.78.312.613.4
Percentage of Assets0.80.80.81.01.01.01.01.01.21.21.11.11.81.81.81.81.91.81.91.91.81.81.81.81.71.81.91.81.91.92.01.81.91.91.92.12.12.12.12.22.42.42.50.00.00.02.80.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value1.1231.1231.1221.1221.1221.1221.1211.1211.1191.1191.1021.0881.0331.0221.0130.9960.9950.9940.9850.9480.9470.9470.9450.9450.9460.9450.9330.8770.8770.8760.8740.8740.8580.8580.8090.7220.7210.720.720.720.7190.6710.6690.583
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

us-gaap:CommonStockValue us-gaap:ConsolidatedEntities

srt:Subsidiaries


Common
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value16901639170117071724171017161640160414451419
Percentage of CommonStockValue150678.3146104.0151637.7152174.2153805.4152595.9153432.7146583.7145613.0142647.8144133.0
Percentage of Assets41.539.842.442.144.744.445.143.443.940.437.5
Percentage of Assets srt:Subsidiaries41.539.842.442.144.844.445.243.543.940.20.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


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
Value24782476247824792477247624812480247524752431239022542221220121502146213621162008200720052004200220001999196918221819181618141812177217721653145514501670166816631657151115111238
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets61.260.260.860.261.861.164.464.365.165.666.565.562.461.861.560.460.057.156.055.352.350.951.351.151.252.953.749.549.050.450.048.347.948.145.340.539.144.043.142.042.839.139.336.6

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value-6.415-7.391-9.157-10.548-64.513-62.201-25.444-34.58-23.465-9.538-0.238109.0127.2042.167-0.859-1.163-0.37-1.731-16.314-17.712-12.862-2.838-5.823-3.141-3.947-1.2970.871-0.7612.0723.482.9253.631-4.41-5.435-5.688-3.717-2.201-1.733-28.618-9.624-3.197-4.163-4.861-4.263-1.907-4.749
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.2-0.2-0.2-0.3-1.6-1.5-0.7-0.9-0.6-0.3-0.00.30.20.20.1-0.0-0.0-0.0-0.0-0.4-0.5-0.3-0.1-0.1-0.1-0.1-0.00.0-0.00.10.10.10.1-0.1-0.1-0.2-0.1-0.1-0.0-0.7-0.2-0.1-0.10.00.0-0.10.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities

srt:Subsidiaries


Accumulated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value-9.155-10.563-65.183-62.843-25.648-34.891-23.638-9.536-0.1212.173
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.1101.0101.0100.8100.9100.7100.050.8100.3
Percentage of Assets-0.2-0.3-1.6-1.5-0.7-0.9-0.6-0.3-0.00.1
Percentage of Assets srt:Subsidiaries-0.2-0.3-1.6-1.6-0.7-0.9-0.6-0.3-0.00.1

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3433324040404039464541416665656466667167677172696767696769707168697071767981828793939693
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.80.81.01.01.01.01.01.21.21.11.11.81.81.81.81.91.81.91.91.81.81.81.81.71.81.91.81.91.92.01.81.91.91.92.12.12.12.12.22.42.42.52.8

us-gaap:MinorityInterest us-gaap:ConsolidatedEntities

srt:Subsidiaries


Minority
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value12121111111117161312
Percentage of MinorityInterest37.530.029.629.429.628.936.436.332.918.8
Percentage of Assets0.30.30.30.30.30.30.40.40.40.3
Percentage of Assets srt:Subsidiaries0.30.30.30.30.30.30.40.40.40.3

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
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
Value2.1452.0151.8541.7841.7361.211.9261.8951.8331.8021.7841.7791.721.681.6511.3971.4651.5821.2761.8741.8782.4251.7981.9421.8291.8291.8011.7041.6891.856
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:ConsolidatedEntities

srt:Subsidiaries


Adjustments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.8541.7841.7361.211.9261.8951.8331.8021.7841.7791.721.68
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets srt:Subsidiaries0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:Subsidiaries, us-gaap:CommonStock


Adjustments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.8541.7841.7361.211.9261.8951.8331.8021.7841.7791.721.68
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets srt:Subsidiaries us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1.0781.0971.2821.2231.1880.9831.5571.5251.4871.5621.7841.7791.721.6791.6511.3971.4651.581.2761.8741.8782.4231.7981.9431.8281.8281.8011.7051.6881.8541.9031.8531.8481.999
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue50.354.469.168.668.481.280.880.581.186.7100.0100.0100.099.9100.0100.0100.099.9100.0100.0100.099.9100.0100.199.999.9100.0100.199.999.90.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Adjustments
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
Value0.00.0010.00.00.00.0010.00.0010.00.0010.00.00.00.0010.00.00.00.0020.00.00.00.0020.0-0.0010.0010.0010.0-0.0010.0010.002
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue0.00.00.00.00.00.10.00.10.00.10.00.00.00.10.00.00.00.10.00.00.00.10.0-0.10.10.10.0-0.10.10.1
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


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.0670.9170.5720.5610.5480.2260.3690.3690.3460.239
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue49.745.530.931.431.618.719.219.518.913.3
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.0

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0.7660.3990.6990.641.117110.7570.780.5270.3490.2970.4030.2590.4520.380.3970.3740.4150.5370.3550.463201.8660.2130.7280.1570.3930.3860.5220.068
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value97407922746271455754584054265952576062457647562480414941515151451447522768434712593260164235
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 RevenueFromContractWithCustomerExcludingAssessedTax487.0245.6325.3110.7607.4454.845.3157.6135.1322.442.5486.2310.196.336.4177.737.743.444.132.152.732.939.316.547.526.033.827.036.835.140.333.410.136.137.921.351.130.534.08.840.623.042.213.632.223.9

us-gaap:NetCashProvidedByUsedInOperatingActivities us-gaap:ConsolidatedEntities

srt:Subsidiaries


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value792274627145575458405426
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax325.3110.7607.4454.845.3157.6135.1322.442.5486.2310.196.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries325.3110.7607.4454.8277.0157.6135.1322.4768.1486.2310.196.3

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
Value42-72.81470-168.921-112.825-114.463-29.102-95.283107-121.155-80.232-55.878-62.004-34.804-36.986.22-60.8731.923-6.468182-48.148-56.05963-110.248-142.655-118.386-72.6432.995-79.186-60.85567-71.516-55.153-60.176-70.0259167.791-22.662-100.416-75.945-61.364-130.062-193.424-100.329-55.352
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 RevenueFromContractWithCustomerExcludingAssessedTax211.2-439.8288.6-831.2-922.1-836.7-18.4-332.0254.2-714.8-57.9-663.4-352.7-128.0-22.520.9-40.21.4-4.6128.2-33.0-38.844.5-73.1-83.7-73.5-49.42.0-56.6-41.552.1-52.6-39.2-45.9-50.945.512.65.4-16.3-71.4-51.8-42.8-90.2-155.1-75.6-37.0

us-gaap:NetCashProvidedByUsedInInvestingActivities us-gaap:ConsolidatedEntities

srt:Subsidiaries


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value70-168.921-112.825-114.463-29.102-95.283107-121.155-80.232-55.878-62.004-34.804
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax288.6-831.2-922.1-836.7-18.4-332.0254.2-714.8-57.9-663.4-352.7-128.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries288.6-831.2-922.1-836.7-112.7-332.0254.2-714.8-1047.8-663.4-352.7-128.0

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-158.05850-142.442135-98.515197-61.79636-125.7296620157.5316.311-21.593-58.909-212.091-45.953106-193.44-77.98510-63.553529474-10.935-80.49185-26.682-91.9744262523-86.653-88.187-49.15-30.56871530671785721
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-790.8304.3-583.8665.4-805.11440.0-39.2128.4-297.2391.314.8181.442.823.2-13.1-197.8-140.1-32.974.8-136.1-53.47.5-44.334.655.446.5-7.4-52.661.2-18.2-71.432.518.919.717.0-66.6-66.1-34.3-22.062.510.621.646.8143.043.114.4

us-gaap:NetCashProvidedByUsedInFinancingActivities us-gaap:ConsolidatedEntities

srt:Subsidiaries


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-142.442135-98.515197-61.79636-125.7296620157.5316.311
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-583.8665.4-805.11440.0-39.2128.4-297.2391.314.8181.442.823.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries-583.8665.4-805.11440.0-239.4128.4-297.2391.3266.9181.442.823.2

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-18.505187.358-11.191-137.021144-19.377-13.22738-0.175-0.9820.3550.044-2.2982.207-0.703-215.43116
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-92.6110.230.2-55.1-1119.81058.1-12.3-46.192.1-1.0-0.74.20.3-8.41.3-2.4-142.311.5

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect us-gaap:ConsolidatedEntities

srt:Subsidiaries


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7.358-11.191-137.021144-19.377-13.22738-0.175-0.9820.3550.044-2.298
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.2-55.1-1119.81058.1-12.3-46.192.1-1.0-0.74.20.3-8.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries30.2-55.1-1119.81058.1-75.1-46.192.1-1.0-12.84.20.3-8.4

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value38373735343333353535363433343435333333323335363834323130314431292928
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationDepletionAndAmortization us-gaap:ConsolidatedEntities

srt:Subsidiaries


Depreciation
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value373534333335353536343334
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


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-3.0282.9835.6335.783-0.492-4.547-2.342-22.36332-1.0336.731-4.354-0.173-7.8774.715-15.80213-5.0078.92-6.9783.729-0.4095.1954.129-17.5736.9186.721-10.7312.1471.76911-4.74511-8.4793.374.968-0.239-14.7925.7837.355-6.8710.8270.0326.352-1.43-3.274
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsReceivable us-gaap:ConsolidatedEntities

srt:Subsidiaries


Increase
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5.6335.783-0.492-4.547-2.342-22.36332-1.0336.731-4.354-0.173-7.877
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value97407922746271455754584054265952576062457647562480414941515151451447522768434712593260164235
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 RevenueFromContractWithCustomerExcludingAssessedTax487.0245.6325.3110.7607.4454.845.3157.6135.1322.442.5486.2310.196.336.4177.737.743.444.132.152.732.939.316.547.526.033.827.036.835.140.333.410.136.137.921.351.130.534.08.840.623.042.213.632.223.9

us-gaap:NetCashProvidedByUsedInOperatingActivities us-gaap:ConsolidatedEntities

srt:Subsidiaries


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value792274627145575458405426
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax325.3110.7607.4454.845.3157.6135.1322.442.5486.2310.196.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries325.3110.7607.4454.8277.0157.6135.1322.4768.1486.2310.196.3

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value42-6.66981-31.8452324422110620171819179.9582017212427-47.4196.826598915134.904227.894.74187-2.964-5.3651518-19.772106.677-82.2276.566-24.224-17.79158.8328.4669.938
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax212.1-40.3334.7-156.7192.0175.827.174.1252.5123.112.3222.0110.563.16.170.211.815.317.419.2-32.54.741.459.69.38.33.314.85.63.267.6-2.2-3.811.513.5-15.28.14.7-59.24.7-16.5-12.410.87.16.46.6

us-gaap:NetIncomeLoss us-gaap:ConsolidatedEntities

srt:Subsidiaries


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value82-32.15423244321108211719201710211721
Percentage of NetIncomeLoss101.3101.0101.5101.5101.3102.0101.4102.0102.2102.9104.0104.1101.4102.5100.5102.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax339.1-158.2195.0178.527.575.6256.0125.612.6228.4114.965.76.172.011.915.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries339.1-158.2195.0178.5168.075.6256.0125.6227.2228.4114.965.70.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value43-6.07983-31.342252544231092218202118112219232629-48.3168.096629417145.937249.055.67192-2.0-4.4051519-20.765116.977-87.2157.47-26.007-18.566168.9269.15110
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax219.6-36.7342.4-154.2205.3186.828.481.0259.0131.713.3241.3119.969.06.976.112.716.518.720.6-33.15.643.762.610.19.24.016.06.53.971.9-1.5-3.111.713.8-16.08.94.9-62.75.3-17.7-12.911.67.26.97.1

us-gaap:ProfitLoss us-gaap:ConsolidatedEntities

srt:Subsidiaries


Profit
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value83-31.34225254423109221820211811221822
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.096.998.598.298.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax342.4-154.2205.3186.828.481.0259.0131.713.3241.3119.969.06.775.012.516.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries342.4-154.2205.3186.8173.881.0259.0131.7241.0241.3119.969.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.0091.9041.751.7261.6381.3891.7351.6961.6241.6591.6411.6031.5871.5451.5231.2721.3321.4881.2061.7981.7312.1081.6251.7391.6581.5521.6011.5071.5011.5551.6611.5731.6471.6491.721.7033.1573.4023.7642.4222.8172.9173.1193.0843.0312.611
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensation us-gaap:ConsolidatedEntities

srt:Subsidiaries


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.751.7261.6381.3891.7351.6961.6241.6591.6411.6031.5871.545
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value42-72.81470-168.921-112.825-114.463-29.102-95.283107-121.155-80.232-55.878-62.004-34.804-36.986.22-60.8731.923-6.468182-48.148-56.05963-110.248-142.655-118.386-72.6432.995-79.186-60.85567-71.516-55.153-60.176-70.0259167.791-22.662-100.416-75.945-61.364-130.062-193.424-100.329-55.352
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 RevenueFromContractWithCustomerExcludingAssessedTax211.2-439.8288.6-831.2-922.1-836.7-18.4-332.0254.2-714.8-57.9-663.4-352.7-128.0-22.520.9-40.21.4-4.6128.2-33.0-38.844.5-73.1-83.7-73.5-49.42.0-56.6-41.552.1-52.6-39.2-45.9-50.945.512.65.4-16.3-71.4-51.8-42.8-90.2-155.1-75.6-37.0

us-gaap:NetCashProvidedByUsedInInvestingActivities us-gaap:ConsolidatedEntities

srt:Subsidiaries


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value70-168.921-112.825-114.463-29.102-95.283107-121.155-80.232-55.878-62.004-34.804
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax288.6-831.2-922.1-836.7-18.4-332.0254.2-714.8-57.9-663.4-352.7-128.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries288.6-831.2-922.1-836.7-112.7-332.0254.2-714.8-1047.8-663.4-352.7-128.0

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-158.05850-142.442135-98.515197-61.79636-125.7296620157.5316.311-21.593-58.909-212.091-45.953106-193.44-77.98510-63.553529474-10.935-80.49185-26.682-91.9744262523-86.653-88.187-49.15-30.56871530671785721
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-790.8304.3-583.8665.4-805.11440.0-39.2128.4-297.2391.314.8181.442.823.2-13.1-197.8-140.1-32.974.8-136.1-53.47.5-44.334.655.446.5-7.4-52.661.2-18.2-71.432.518.919.717.0-66.6-66.1-34.3-22.062.510.621.646.8143.043.114.4

us-gaap:NetCashProvidedByUsedInFinancingActivities us-gaap:ConsolidatedEntities

srt:Subsidiaries


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-142.442135-98.515197-61.79636-125.7296620157.5316.311
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-583.8665.4-805.11440.0-39.2128.4-297.2391.314.8181.442.823.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries-583.8665.4-805.11440.0-239.4128.4-297.2391.3266.9181.442.823.2

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value30303030303030303030292828272727272726262626252525252424242424232322191919292929
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsCommonStock us-gaap:ConsolidatedEntities

srt:Subsidiaries


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value313131313131313030292828
Percentage of PaymentsOfDividendsCommonStock101.2101.2101.2101.1101.1101.2101.3101.3101.2103.1103.2103.2

Dividends

us-gaap:Dividends

us-gaap:Dividends


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value30303030303030303030302928282727303030292929292929292927282828282829282623233333333131282727
Percentage of Dividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Dividends us-gaap:ConsolidatedEntities

srt:Subsidiaries


Dividendsus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value313131313131313130302929
Percentage of Dividends101.4101.4101.4101.4101.4101.7101.8101.8101.8101.8103.7103.7

us-gaap:Dividends us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

srt:Subsidiaries, us-gaap:LimitedPartner, us-gaap:PreferredStock


Dividendsus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0690.0770.0770.0770.0770.1570.1650.1650.1650.1650.1650.165
Percentage of Dividends0.20.20.20.20.20.50.50.50.50.60.60.6

us-gaap:Dividends us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:Subsidiaries, us-gaap:CommonStock


Dividendsus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value313131313131313130302928
Percentage of Dividends101.2101.2101.2101.1101.2101.2101.3101.3101.2101.2103.1103.1

us-gaap:Dividends us-gaap:StatementEquityComponents

us-gaap:AccumulatedDistributionsInExcessOfNetIncome


Dividendsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value30303030303030303030302928282727303030292929292929292927282828282829282623233333333131282727
Percentage of Dividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value68000.02290000.057000.080000.01492000.091000.053000.0103000.01817000.091000.086000.0198000.01327000.0104000.056000.060000.01753000.0287000.0687000.0338000.01154000.0132000.085000.0214000.02031000.0165000.063000.0234000.01092000.0154000.064000.0208000.01576000.0100000.060000.0846000.02373000.042000.0135000.0100000.03713000.051000.0149000.0103000.03610000.0
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRepurchaseOfCommonStock us-gaap:ConsolidatedEntities

srt:Subsidiaries


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value57000.080000.01492000.091000.053000.0103000.01817000.091000.086000.0198000.01327000.0
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance dei:LegalEntity

us-gaap:DeferredTaxAssetsValuationAllowance

ofc:TaxableReitSubsidiary


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value41000.051000.0201000.0565000.0533000.0480000.0480000.02000000.02100000.02400000.02727000.03000000.01400000.01400000.01416000.02100000.02100000.02100000.02062000.02100000.02100000.02100000.02062000.02100000.02100000.02100000.02062000.02100000.02100000.02100000.02062000.0207000.0
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:AdjustmenttoEquitytoArriveatFairValueofRedeemableNoncontrollingInterest

ofc:AdjustmenttoEquitytoArriveatFairValueofRedeemableNoncontrollingInterest


Adjustmentto
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
Value-140000.0-482000.0-1896000.0-374000.0-236000.0-4101000.0-405000.01531000.0-2076000.0-799000.0-506000.0-573000.0-221000.0-537000.0382000.0645000.0144000.0-545000.0-105000.0-167000.0-47000.0-302000.0715000.0140000.0-666000.0-73000.0141000.0710000.0-1257000.0540000.0
Percentage of AdjustmenttoEquitytoArriveatFairValueofRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:AdjustmenttoEquitytoArriveatFairValueofRedeemableNoncontrollingInterest us-gaap:ConsolidatedEntities

srt:Subsidiaries


Adjustmentto
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1896000.0-374000.0-236000.0-4101000.0-405000.01531000.0-2076000.0-799000.0-506000.0-573000.0-221000.0-537000.0
Percentage of AdjustmenttoEquitytoArriveatFairValueofRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:AdjustmenttoEquitytoArriveatFairValueofRedeemableNoncontrollingInterest us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:Subsidiaries, us-gaap:CommonStock


Adjustmentto
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1896000.0-374000.0-236000.0-4101000.0-405000.01531000.0-2076000.0-799000.0-506000.0-573000.0-221000.0-537000.0
Percentage of AdjustmenttoEquitytoArriveatFairValueofRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:AdjustmenttoEquitytoArriveatFairValueofRedeemableNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustmentto
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
Value-140000.0-482000.0-1896000.0-374000.0-236000.0-4101000.0-405000.01531000.0-2076000.0-799000.0-506000.0-573000.0-221000.0-537000.0382000.0645000.0144000.0-545000.0-105000.0-167000.0-47000.0-302000.0715000.0140000.0-666000.0-73000.0141000.0710000.0-1257000.0540000.0
Percentage of AdjustmenttoEquitytoArriveatFairValueofRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:BasisPointUsedInDeterminingRedemptionPricePriorToMaturity us-gaap:DebtInstrument, us-gaap:LongtermDebtType

ofc:BasisPointUsedInDeterminingRedemptionPricePriorToMaturity

ofc:A225SeniorNotes, us-gaap:SeniorNotes


Basis
Period End2020-09-17
Value35.0
Percentage of BasisPointUsedInDeterminingRedemptionPricePriorToMaturity100.0

ofc:BusinessDevelopmentExpensesAndLandCarryCosts

ofc:BusinessDevelopmentExpensesAndLandCarryCosts


Business
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
Value1.3721.0940.9991.0941.2621.1181.2920.9640.871.1131.4251.5671.2341.6141.6461.2771.5971.6931.7471.7162.3632.4182.5215.5732.6232.791.4661.431.3511.3261.3671.3831.3271.3591.2051.6321.2981.5941.81.7511.3491.241
Percentage of BusinessDevelopmentExpensesAndLandCarryCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:BusinessDevelopmentExpensesAndLandCarryCosts us-gaap:ConsolidatedEntities

srt:Subsidiaries


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.9991.0941.2621.1181.2920.9640.871.1131.4251.5671.2341.614
Percentage of BusinessDevelopmentExpensesAndLandCarryCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments

ofc:ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value44-4.532842221-12.982531094127.362202223132217234130-53.911-2.878659117113.219255.6253.74192-3.3263.0241720-22.2471010
Percentage of ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments us-gaap:ConsolidatedEntities

srt:Subsidiaries


Comprehensive
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value842221-12.982531094127.362202223
Percentage of ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments us-gaap:ConsolidatedEntities, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:StatementEquityComponents

srt:Subsidiaries, us-gaap:LimitedPartner, us-gaap:PreferredStock


Comprehensive
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0690.0770.0770.0770.0770.1570.1650.1650.1650.1650.1650.165
Percentage of ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments0.10.30.4-0.60.11.50.21.32.20.80.70.7

ofc:ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:Subsidiaries, us-gaap:AccumulatedOtherComprehensiveIncome


Comprehensive
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.40854-2.34-37.1959.243-11.253-14.102-9.415-10.4741.1181.8654.921
Percentage of ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments1.7241.1-10.8286.517.4-105.1-14.9-77.0-142.35.48.321.3

srt:Subsidiaries, us-gaap:CommonStock


Comprehensive
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value82-32.231232443211082117192017
Percentage of ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments98.1-142.3110.0-187.581.5201.0114.3172.7234.091.989.676.7

srt:Subsidiaries, us-gaap:NoncontrollingInterest


Comprehensive
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.1530.1870.106-0.2050.50.2790.3990.3620.4410.4060.2870.283
Percentage of ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments0.20.80.51.60.92.60.43.06.02.01.31.2

ofc:ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments us-gaap:StatementEquityComponents

us-gaap:AccumulatedDistributionsInExcessOfNetIncome


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value42-6.66981-31.8452324422110620171819179.9582017212427-47.4196.826598915134.904227.894.74187-2.964-5.3651518-19.1621110
Percentage of ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments96.1147.296.9-140.6108.7-185.380.6198.5112.9170.6231.290.086.974.471.893.3100.389.260.190.588.0-237.291.098.789.9116.4152.388.4140.3126.793.889.1-177.487.492.086.1105.3100.0

us-gaap:AccumulatedOtherComprehensiveIncome


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.9761.7661.39153-2.312-36.7579.136-11.115-13.927-9.3-10.3461.0961.8084.7613.0260.304-0.7931.361141.398-4.85-10.0242.985-2.6820.806-2.65-2.1681.632-2.833-1.4080.555-0.7068.0411.0250.253-1.971-1.516-0.468
Percentage of ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments2.2-39.01.7238.2-10.7283.117.2-103.8-14.7-76.1-140.55.38.120.621.81.4-4.55.735.44.69.0348.34.6-2.94.6-23.1-67.46.4-50.4-37.60.621.2265.96.01.38.9-14.1-4.5

us-gaap:NoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.7430.3711.2340.5330.439-0.2791.1840.5651.7280.6690.6880.9731.1171.1520.8791.1960.7451.2131.8561.463-1.6420.322.8543.9060.9610.7670.4831.3370.5680.4085.2430.3440.3481.1421.353-1.1140.9440.469
Percentage of ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments1.7-8.21.52.42.02.12.25.31.85.59.34.75.05.06.35.34.25.14.54.93.0-11.14.44.35.56.715.05.210.110.95.6-10.311.56.66.75.08.84.6

ofc:ConstructionContractAndOtherServiceExpenses

ofc:ConstructionContractAndOtherServiceExpenses


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value19152319111324274116162636282212121011107.773164137243323189.71161913191416201518262027132536
Percentage of ConstructionContractAndOtherServiceExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:ConstructionContractAndOtherServiceExpenses us-gaap:ConsolidatedEntities

srt:Subsidiaries


Construction
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2319111324274116
Percentage of ConstructionContractAndOtherServiceExpenses100.0100.0100.0100.0100.0100.0100.0100.0

ofc:ConstructionContractAndOtherServiceExpensesPaid

ofc:ConstructionContractAndOtherServiceExpensesPaid


Construction
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
Value1419221314172837264.6148.3528.41214125251714138.8661310113648272123231110191715171324122121232817193155
Percentage of ConstructionContractAndOtherServiceExpensesPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:ConstructionContractAndOtherServiceExpensesPaid us-gaap:ConsolidatedEntities

srt:Subsidiaries


Construction
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value221314172837264.6148.3528.412141
Percentage of ConstructionContractAndOtherServiceExpensesPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:ConstructionContractAndOtherServiceRevenuesReceived

ofc:ConstructionContractAndOtherServiceRevenuesReceived


Construction
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
Value1622241117242844155.9046.1299.0399.1439.268293216232219277.747121866192727171714191315191128181523282119112654
Percentage of ConstructionContractAndOtherServiceRevenuesReceived100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:ConstructionContractAndOtherServiceRevenuesReceived us-gaap:ConsolidatedEntities

srt:Subsidiaries


Construction
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value241117242844155.9046.1299.0399.1439.268
Percentage of ConstructionContractAndOtherServiceRevenuesReceived100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLossCumulativeEffectofChangeforAdoptionofCreditLossGuidance

ofc:CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLossCumulativeEffectofChangeforAdoptionofCreditLossGuidance


Credit
Period End2020-12-312020-09-302020-06-302020-03-31
Value0005541000.0
Percentage of CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLossCumulativeEffectofChangeforAdoptionofCreditLossGuidance0.00.00.0100.0

ofc:CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLossCumulativeEffectofChangeforAdoptionofCreditLossGuidance us-gaap:CumulativeEffectPeriodOfAdoption

srt:CumulativeEffectPeriodOfAdoptionAdjustment


Credit
Period End2020-09-30
Value0
Percentage of CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLossCumulativeEffectofChangeforAdoptionofCreditLossGuidance0.0

ofc:CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLossExpenseReversal

ofc:CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLossExpenseReversal


Credit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value193000.0-907000.0-772000.0-1465000.0615000.0689000.000
Percentage of CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLossExpenseReversal100.0100.0100.0100.0100.0100.00.00.0

ofc:CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLossExpenseReversal us-gaap:ConsolidatedEntities

srt:Subsidiaries


Credit
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value-772000.0-1465000.0615000.0689000.000
Percentage of CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLossExpenseReversal100.0100.0100.0100.00.00.0

ofc:DepreciationAndAmortizationForRealEstateOperations

ofc:DepreciationAndAmortizationForRealEstateOperations


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
Value37373635333232343434363433333334323332323334363833313130304326292828282829312935313338292827
Percentage of DepreciationAndAmortizationForRealEstateOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:DilutiveSecuritiesEffectonBasicEarningsPerShareDilutiveRedeemableNoncontrollingInterests

ofc:DilutiveSecuritiesEffectonBasicEarningsPerShareDilutiveRedeemableNoncontrollingInterests


Dilutive
Period End2021-06-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value-20000.0032000.00902000.0000
Percentage of DilutiveSecuritiesEffectonBasicEarningsPerShareDilutiveRedeemableNoncontrollingInterests100.00.0100.00.0100.00.00.00.0

ofc:EquityChangeAdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest

ofc:EquityChangeAdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest


Equity
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-0.7390.545-0.24-0.552-0.4280.453-0.355-0.312-0.4881.3220.3971.3670.5380.1640.8970.0750.2680.2462.1160.0370.059-0.0540.0910.0720.0440.4753.1340.1760.0030.069-0.029-1.7220.2662.2294.254-0.1510.4360.0880.256-2.2364.6150.1638.927-0.1491.3160.18
Percentage of EquityChangeAdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:EquityChangeStockIssuedDuringPeriodValueConversionOfUnits

ofc:EquityChangeStockIssuedDuringPeriodValueConversionOfUnits


Equity
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
Value0.00.1210.0290.00.00.1820.031.4760.00.080.131260.00.7610.0342.0380.0272.5370.00.7960.3710.00.00.0290.02.1220.2980.4980.3960.6510.0060.4130.4033.1751.6260.4920.2520.4440.2450.9480.0650.2630.5970.1434.3124.515
Percentage of EquityChangeStockIssuedDuringPeriodValueConversionOfUnits0.0100.0100.00.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:FinancingReceivableAllowanceforCreditLossCumulativeEffectofChangeforAdoptionofCreditLossGuidance us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

ofc:FinancingReceivableAllowanceforCreditLossCumulativeEffectofChangeforAdoptionofCreditLossGuidance

ofc:InvestingReceivables


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0003732000.0
Percentage of FinancingReceivableAllowanceforCreditLossCumulativeEffectofChangeforAdoptionofCreditLossGuidance0.00.00.0100.0

ofc:TenantNotesReceivables


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value000325000.0
Percentage of FinancingReceivableAllowanceforCreditLossCumulativeEffectofChangeforAdoptionofCreditLossGuidance0.00.00.08.7

ofc:GeneralandAdministrativeLeasingBusinessDevelopmentandLandCarryPaid

ofc:GeneralandAdministrativeLeasingBusinessDevelopmentandLandCarryPaid


Generaland
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value4.593106.9987.4394.598125.5417.2654.838116.1485.714.248105.6076.7516.04146.9988.6677.037128.4939.4997.39312
Percentage of GeneralandAdministrativeLeasingBusinessDevelopmentandLandCarryPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:GeneralandAdministrativeLeasingBusinessDevelopmentandLandCarryPaid us-gaap:ConsolidatedEntities

srt:Subsidiaries


Generaland
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6.9987.4394.598125.5417.2654.838116.1485.714.24810
Percentage of GeneralandAdministrativeLeasingBusinessDevelopmentandLandCarryPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:IncomeLossfromEquityMethodInvestmentsAllocabletoDepreciationAmortizationandInterestExpense

ofc:IncomeLossfromEquityMethodInvestmentsAllocabletoDepreciationAmortizationandInterestExpense


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value711000.0693000.01306000.01274000.01270000.01270000.01206000.01202000.0830000.0827000.0832000.0830000.0828000.0824000.0577000.0577000.0575000.0572000.0578000.0415000.00000
Percentage of IncomeLossfromEquityMethodInvestmentsAllocabletoDepreciationAmortizationandInterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

ofc:IncomeLossinNonRealEstateEquityMethodInvestments

ofc:IncomeLossinNonRealEstateEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-2000.0-2000.0-2000.0-1000.0-1000.0-2000.0-2000.0-3000.0-1000.0-1000.01198000.0-2000.0-1000.0-2000.0-2000.0-1000.0-1000.0-1000.0-1000.01000.010000.010000.010000.018000.0
Percentage of IncomeLossinNonRealEstateEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:IncreaseDecreaseInAccruedCapitalImprovementsLeasingAndOtherInvestingActivityCosts

ofc:IncreaseDecreaseInAccruedCapitalImprovementsLeasingAndOtherInvestingActivityCosts


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
Value4.567-20.454-9.226-13.13517-4.7956.456-0.40518113.020.641-9.32312-27.783221.734-6.661-4.0138.35911-9.42-3.075-27.64919-3.897-3.6056.9790.832-7.98516-0.344-7.397-5.353100.454-23.90911-13.5952.2619.882130.2686.372-0.751-1.313
Percentage of IncreaseDecreaseInAccruedCapitalImprovementsLeasingAndOtherInvestingActivityCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:IncreaseDecreaseInAccruedCapitalImprovementsLeasingAndOtherInvestingActivityCosts us-gaap:ConsolidatedEntities

srt:Subsidiaries


Increase
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-9.226-13.13517-4.7956.456-0.40518113.020.641-9.32312
Percentage of IncreaseDecreaseInAccruedCapitalImprovementsLeasingAndOtherInvestingActivityCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:IncreaseDecreaseInAdvanceRentAndSecurityDepositLiability

ofc:IncreaseDecreaseInAdvanceRentAndSecurityDepositLiability


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-29000.0-2503000.03149000.0-183000.0-2864000.0-297000.05645000.0498000.01842000.0-4444000.07316000.0-1746000.0-1664000.0921000.0-338000.0779000.0-2949000.0-1405000.01058000.0-3295000.0-1422000.0-3691000.02644000.07403000.0-4180000.0540000.0-2064000.05555000.0-747000.0-3225000.03254000.04444000.0-1929000.0-1608000.0859000.0-351000.0-523000.0-1901000.01307000.01462000.0-2648000.0-2176000.04684000.0-1853000.0-4247000.0398000.0
Percentage of IncreaseDecreaseInAdvanceRentAndSecurityDepositLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:IncreaseDecreaseInAdvanceRentAndSecurityDepositLiability us-gaap:ConsolidatedEntities

srt:Subsidiaries


Increase
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3149000.0-183000.0-2864000.0-297000.05645000.0498000.01842000.0-4444000.07316000.0-1746000.0-1664000.0921000.0
Percentage of IncreaseDecreaseInAdvanceRentAndSecurityDepositLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:IncreaseDecreaseInFairValueOfDerivativesAppliedToAoclAndNoncontrollingInterests

ofc:IncreaseDecreaseInFairValueOfDerivativesAppliedToAoclAndNoncontrollingInterests


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.9631.9591.4552.77-2.38-37.5739.134-11.366-14.135-9.45-4.8871.0831.8324.8873.0710.261-0.8951.408151.451-4.854-10.4143.123-2.7231.161-2.701-2.2531.756-2.926-1.4431.685-1.8078.4871.105-0.3582.1432.783-0.528-25.62620
Percentage of IncreaseDecreaseInFairValueOfDerivativesAppliedToAoclAndNoncontrollingInterests100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:IncreaseDecreaseInFairValueOfDerivativesAppliedToAoclAndNoncontrollingInterests us-gaap:ConsolidatedEntities

srt:Subsidiaries


Increase
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.4552.77-2.38-37.5739.134-11.366-14.135-9.45-4.8871.0831.8324.887
Percentage of IncreaseDecreaseInFairValueOfDerivativesAppliedToAoclAndNoncontrollingInterests100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:IncrementalCommonSharesAttributabletoDilutiveEffectofRedeemableNoncontrollingInterests

ofc:IncrementalCommonSharesAttributabletoDilutiveEffectofRedeemableNoncontrollingInterests


Incremental
Period End2021-06-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value133000.00-4000.001062000.0000
Percentage of IncrementalCommonSharesAttributabletoDilutiveEffectofRedeemableNoncontrollingInterests100.00.0100.00.0100.00.00.00.0

ofc:LimitedPartnerPreferredUnitsConversionRatetoShares us-gaap:ConsolidatedEntities, us-gaap:PreferredUnitsByName

ofc:LimitedPartnerPreferredUnitsConversionRatetoShares

srt:Subsidiaries, ofc:SeriesIPreferredUnits


Limited
Period End2020-12-20
Value0.5
Percentage of LimitedPartnerPreferredUnitsConversionRatetoShares100.0

ofc:MinorityInterestDecreaseFromDistributionsIncludingJointVentures

ofc:MinorityInterestDecreaseFromDistributionsIncludingJointVentures


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302012-12-312012-09-302011-12-312011-09-30
Value8000.07000.08000.07000.08000.07000.04000.05878000.04000.04000.04000.04000.04000.03000.03000.04000.04000.02606000.04000.04000.04000.04000.0-12000.019000.024000.04000.07000.01598000.01037000.007000.008000.00
Percentage of MinorityInterestDecreaseFromDistributionsIncludingJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.00.0

ofc:MinorityInterestDecreaseFromDistributionsIncludingJointVentures us-gaap:ConsolidatedEntities

srt:Subsidiaries


Minority
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value8000.07000.08000.07000.04000.05878000.04000.04000.04000.04000.04000.03000.0
Percentage of MinorityInterestDecreaseFromDistributionsIncludingJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:MinorityInterestDecreaseFromDistributionsIncludingJointVentures us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:Subsidiaries, us-gaap:NoncontrollingInterest


Minority
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value8000.07000.08000.07000.04000.05878000.04000.04000.04000.04000.04000.03000.0
Percentage of MinorityInterestDecreaseFromDistributionsIncludingJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:MinorityInterestDecreaseFromDistributionsIncludingJointVentures us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302012-12-312012-09-302011-12-312011-09-30
Value8000.07000.08000.07000.08000.07000.04000.05878000.04000.04000.04000.04000.04000.03000.03000.04000.04000.02606000.04000.04000.04000.04000.0-12000.019000.024000.04000.07000.01598000.01037000.007000.008000.00
Percentage of MinorityInterestDecreaseFromDistributionsIncludingJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.00.0

ofc:MinorityInterestDecreaseFromDistributionsToOperatingPartnershipNoncontrollingInterestHolders

ofc:MinorityInterestDecreaseFromDistributionsToOperatingPartnershipNoncontrollingInterestHolders


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.40.3980.440.4440.4420.420.4370.5170.5530.550.5310.5381.0441.0441.061.061.1011.1011.1521.1521.171.1761.1761.1761.1771.1771.2191.2271.2371.2461.2591.2591.2071.2151.2841.3211.3341.3381.9391.9471.9731.9741.9811.9991.9142.032
Percentage of MinorityInterestDecreaseFromDistributionsToOperatingPartnershipNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:MinorityInterestDecreaseFromDistributionsToOperatingPartnershipNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.40.3980.440.4440.4420.420.4370.5170.5530.550.5310.5381.0441.0441.061.061.1011.1011.1521.1521.171.1761.1761.1761.1771.1771.2191.2271.2371.2461.2591.2591.2071.2151.2841.3211.3341.3381.9391.9471.9731.9741.9811.9991.9142.032
Percentage of MinorityInterestDecreaseFromDistributionsToOperatingPartnershipNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:MinorityInterestInNetIncomeLossOtherIncludingJointVenturesMinorityInterests

ofc:MinorityInterestInNetIncomeLossOtherIncludingJointVenturesMinorityInterests


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value938000.0675000.0817000.0812000.01263000.01132000.01515000.01565000.01268000.01037000.01061000.01080000.0878000.0921000.0908000.0897000.0907000.0934000.0912000.0907000.0914000.0978000.0916000.0972000.0810000.0817000.0804000.0895000.0837000.0749000.01734000.01031000.01466000.0-337000.0-2148000.0411000.0552000.0-24000.00561000.0-61000.0538000.0201000.0-434000.0156000.045000.0
Percentage of MinorityInterestInNetIncomeLossOtherIncludingJointVenturesMinorityInterests100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

ofc:MinorityInterestIncreaseFromContributionsIncludingJointVentures

ofc:MinorityInterestIncreaseFromContributionsIncludingJointVentures


Minority
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value000112000.00002570000.000-171000.0170000.00-85000.000-159000.0-102000.00-250000.0-13000.0-9247000.0
Percentage of MinorityInterestIncreaseFromContributionsIncludingJointVentures0.00.00.0100.00.00.00.0100.00.00.0100.0100.00.0100.00.00.0100.0100.00.0100.0100.0100.0

ofc:MinorityInterestIncreaseFromContributionsIncludingJointVentures us-gaap:ConsolidatedEntities

srt:Subsidiaries


Minority
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value000112000.00002570000.0
Percentage of MinorityInterestIncreaseFromContributionsIncludingJointVentures0.00.00.0100.00.00.00.0100.0

ofc:MinorityInterestIncreaseFromContributionsIncludingJointVentures us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:Subsidiaries, us-gaap:NoncontrollingInterest


Minority
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value000112000.00002570000.0
Percentage of MinorityInterestIncreaseFromContributionsIncludingJointVentures0.00.00.0100.00.00.00.0100.0

ofc:MinorityInterestIncreaseFromContributionsIncludingJointVentures us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value000112000.00002570000.000-171000.0170000.00-85000.000-159000.0-125000.00-250000.0-13000.0-9247000.0
Percentage of MinorityInterestIncreaseFromContributionsIncludingJointVentures0.00.00.0100.00.00.00.0100.00.00.0100.0100.00.0100.00.00.0100.0122.50.0100.0100.0100.0

ofc:NetIncomeLossAvailableToCommonStockholdersIncludingParticipatingSecurities

ofc:NetIncomeLossAvailableToCommonStockholdersIncludingParticipatingSecurities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value42-6.66981-31.845232442211062017181917
Percentage of NetIncomeLossAvailableToCommonStockholdersIncludingParticipatingSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:NetIncomeLossAvailableToCommonStockholdersIncludingParticipatingSecurities us-gaap:ConsolidatedEntities

srt:Subsidiaries


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value82-32.231232443211082117192017
Percentage of NetIncomeLossAvailableToCommonStockholdersIncludingParticipatingSecurities101.2101.2101.2101.2101.2101.3101.3101.2101.2102.0103.1103.2

ofc:NoncontrollingInterestIncreaseDecreaseFromChangesInOwnership us-gaap:StatementEquityComponents

ofc:NoncontrollingInterestIncreaseDecreaseFromChangesInOwnership

us-gaap:AdditionalPaidInCapital


Noncontrolling
Period End2021-06-302020-06-30
Value739000.0428000.0
Percentage of NoncontrollingInterestIncreaseDecreaseFromChangesInOwnership100.0100.0

us-gaap:NoncontrollingInterest


Noncontrolling
Period End2021-06-302020-06-30
Value-739000.0-428000.0
Percentage of NoncontrollingInterestIncreaseDecreaseFromChangesInOwnership-100.0-100.0

ofc:OffBalanceSheetCreditLossExposureAllowanceforCreditLossCumulativeEffectofChangeforAdoptionofCreditLossGuidance

ofc:OffBalanceSheetCreditLossExposureAllowanceforCreditLossCumulativeEffectofChangeforAdoptionofCreditLossGuidance


Off
Period End2020-12-31
Value0
Percentage of OffBalanceSheetCreditLossExposureAllowanceforCreditLossCumulativeEffectofChangeforAdoptionofCreditLossGuidance0.0

ofc:OffBalanceSheetCreditLossExposureCreditLossExpenseReversal

ofc:OffBalanceSheetCreditLossExposureCreditLossExpenseReversal


Off
Period End2020-12-31
Value-23000.0
Percentage of OffBalanceSheetCreditLossExposureCreditLossExpenseReversal100.0

ofc:OtherAdjustment

ofc:OtherAdjustment


Other
Period End2021-06-302021-03-31
Value0324000.0
Percentage of OtherAdjustment0.0100.0

ofc:OtherAdjustment us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Other
Period End2021-06-302021-03-31
Value0324000.0
Percentage of OtherAdjustment0.0100.0

ofc:OtherComprehensiveIncomeLossCashFlowHedgeReclassificationForDiscontinuanceafterTax

ofc:OtherComprehensiveIncomeLossCashFlowHedgeReclassificationForDiscontinuanceafterTax


Other
Period End2020-12-312020-09-30
Value0.0-51.865
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeReclassificationForDiscontinuanceafterTax0.0100.0

ofc:OtherComprehensiveIncomeLossCashFlowHedgeReclassificationForDiscontinuanceafterTax us-gaap:ConsolidatedEntities

srt:Subsidiaries


Other
Period End2020-12-312020-09-30
Value0.0-51.865
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeReclassificationForDiscontinuanceafterTax0.0100.0

ofc:OtherComprehensiveIncomeLossCashFlowHedgeReclassificationForDiscontinuanceafterTax us-gaap:DerivativeInstrumentRisk

us-gaap:InterestRateSwap


Other
Period End2020-09-30
Value51
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeReclassificationForDiscontinuanceafterTax-100.1

ofc:PaymentsForSalesTypeLeaseCosts

ofc:PaymentsForSalesTypeLeaseCosts


Payments
Period End2021-03-31
Value2.028
Percentage of PaymentsForSalesTypeLeaseCosts100.0

ofc:PaymentsofDistributionsRedeemableNoncontrollingInterest

ofc:PaymentsofDistributionsRedeemableNoncontrollingInterest


Paymentsof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.5910.6350.8420.8530.792110.6750.2970.6870.00.2920.3557.0790.3740.4070.8770.0230.458132.9930.0-0.1220.122
Percentage of PaymentsofDistributionsRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

ofc:PaymentsofDistributionsRedeemableNoncontrollingInterest us-gaap:ConsolidatedEntities

srt:Subsidiaries


Paymentsof
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.8420.8530.792110.6750.2970.6870.0
Percentage of PaymentsofDistributionsRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.00.0

ofc:PaymentsofLeaseIncentives

ofc:PaymentsofLeaseIncentives


Paymentsof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1.4795.963-0.7097.0231.9833.6283.1163.1382.071.1581.6941.160.6214.2040.3110.0391.6467.7290.9710.7930.5810.415
Percentage of PaymentsofLeaseIncentives100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:PaymentsofLeaseIncentives us-gaap:ConsolidatedEntities

srt:Subsidiaries


Paymentsof
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.7097.0231.9833.6283.1163.1382.071.1581.6941.160.6214.204
Percentage of PaymentsofLeaseIncentives100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:PercentageOfCumulativePreferredReturnsOfCashFlowsOnEntityInvestedCapital dei:LegalEntity

ofc:PercentageOfCumulativePreferredReturnsOfCashFlowsOnEntityInvestedCapital

ofc:LwRedstoneCompanyLlc


Percentage
Period End2021-06-302021-03-31
Value013.5
Percentage of PercentageOfCumulativePreferredReturnsOfCashFlowsOnEntityInvestedCapital0.0100.0

ofc:PercentageOfCumulativePreferredReturnsOfCashFlowsOnPartnersInvestedCapital dei:LegalEntity

ofc:PercentageOfCumulativePreferredReturnsOfCashFlowsOnPartnersInvestedCapital

ofc:LwRedstoneCompanyLlc


Percentage
Period End2021-06-302021-03-31
Value013.5
Percentage of PercentageOfCumulativePreferredReturnsOfCashFlowsOnPartnersInvestedCapital0.0100.0

ofc:PercentageOfResidualDistributableCashFlowsEntitledInExcessOfUnpaidCumulativePreferredReturnsAndReturnOfInvestedCapital dei:LegalEntity

ofc:PercentageOfResidualDistributableCashFlowsEntitledInExcessOfUnpaidCumulativePreferredReturnsAndReturnOfInvestedCapital

ofc:LwRedstoneCompanyLlc


Percentage
Period End2021-06-302021-03-31
Value085.0
Percentage of PercentageOfResidualDistributableCashFlowsEntitledInExcessOfUnpaidCumulativePreferredReturnsAndReturnOfInvestedCapital0.0100.0

ofc:PercentageOfResidualDistributableCashFlowsEntitledInExcessOfUnpaidCumulativePreferredReturnsAndReturnOfInvestedCashRelatedToRealEstatePartner dei:LegalEntity

ofc:PercentageOfResidualDistributableCashFlowsEntitledInExcessOfUnpaidCumulativePreferredReturnsAndReturnOfInvestedCashRelatedToRealEstatePartner

ofc:LwRedstoneCompanyLlc


Percentage
Period End2021-06-302021-03-31
Value015.0
Percentage of PercentageOfResidualDistributableCashFlowsEntitledInExcessOfUnpaidCumulativePreferredReturnsAndReturnOfInvestedCashRelatedToRealEstatePartner0.0100.0

ofc:PropertyOperatingExpensesPaid

ofc:PropertyOperatingExpensesPaid


Property
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
Value39514372404645684042476640434263394143674046446636423762354242583638375737424462354542563546
Percentage of PropertyOperatingExpensesPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:PropertyOperatingExpensesPaid us-gaap:ConsolidatedEntities

srt:Subsidiaries


Property
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value437240464568404247664043
Percentage of PropertyOperatingExpensesPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:RevenuesFromRealEstateOperationsReceived

ofc:RevenuesFromRealEstateOperationsReceived


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value147133148128132133138133131126132132127135120134121133119130130130128133123117121125116116123126113119119115119129126117119114129107104112
Percentage of RevenuesFromRealEstateOperationsReceived100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:RevenuesFromRealEstateOperationsReceived us-gaap:ConsolidatedEntities

srt:Subsidiaries


Revenues
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value148128132133138133131126132132127135
Percentage of RevenuesFromRealEstateOperationsReceived100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:ScheduledPrincipalAmortizationRepaymentsOfLongTermDebt

ofc:ScheduledPrincipalAmortizationRepaymentsOfLongTermDebt


Scheduled
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
Value0.960.9621.0481.0331.0231.0211.011.1071.0951.0981.0791.061.0491.0520.9840.9650.9550.9580.9410.9221.7321.81.7171.6921.671.6491.6031.4771.5821.8552.2522.2262.4912.5122.592.7913.0963.2073.1083.2263.6233.7983.6073.423.53.469
Percentage of ScheduledPrincipalAmortizationRepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:ScheduledPrincipalAmortizationRepaymentsOfLongTermDebt us-gaap:ConsolidatedEntities

srt:Subsidiaries


Scheduled
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.0481.0331.0231.0211.011.1071.0951.0981.0791.061.0491.052
Percentage of ScheduledPrincipalAmortizationRepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:SegmentReportingTransfersFromNonOperatingProperties us-gaap:ProductOrService

ofc:SegmentReportingTransfersFromNonOperatingProperties

ofc:RealEstateOperations


Segment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value90142071268358681610139654634206180
Percentage of SegmentReportingTransfersFromNonOperatingProperties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ofc:SegmentReportingTransfersFromNonOperatingProperties us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations


Segment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value52141241268358681710139654633196180
Percentage of SegmentReportingTransfersFromNonOperatingProperties57.997.660.0100.0100.0100.0100.0106.2100.0100.0100.099.796.795.0100.0100.0

ofc:RealEstateOperations, ofc:RegionalOffice


Segment
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value380.3570.00.00.00.00.00.00.00.00.00.00.00.025
Percentage of SegmentReportingTransfersFromNonOperatingProperties42.12.40.00.00.00.00.00.00.00.00.00.00.00.0

ofc:SegmentReportingTransfersFromNonOperatingProperties us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:DataCenterShells


Segment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.0170.98558654956379.48392193830291.1145229
Percentage of SegmentReportingTransfersFromNonOperatingProperties1.16.728.351.559.696.754.458.491.450.158.564.986.75.585.336.9

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:FortMeadeandBaltimoreWashingtonCorridor


Segment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.7840.35617-0.2093.9750.538101.3811.3385.040.729143.035176.2765.519
Percentage of SegmentReportingTransfersFromNonOperatingProperties0.92.48.5-0.24.70.915.88.51.312.81.131.58.985.510.16.8

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:LacklandAirForceBase


Segment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value490.0510.0750.2210.1450.0150.3252.121.8336.503140.00.00.00.00.0
Percentage of SegmentReportingTransfersFromNonOperatingProperties54.50.30.00.20.20.00.513.11.816.522.60.00.00.00.00.0

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:NorthernVirginia


Segment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.0250.0881.7190.0580.5240.256-0.0990.1180.024.5097.9881.550.3520.3412.33445
Percentage of SegmentReportingTransfersFromNonOperatingProperties0.00.60.80.00.60.4-0.10.70.011.412.33.31.01.73.856.3

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:RedstoneArsenal


Segment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.288124661291.136204.1525.5763.6353.6840.0130.0260.4440.516-0.062
Percentage of SegmentReportingTransfersFromNonOperatingProperties1.487.522.348.534.82.029.525.65.59.25.70.00.12.20.8-0.1

ofc:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAggregateFairValue us-gaap:AwardType

ofc:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAggregateFairValue

ofc:DeferredShareAwards


Share
Period End2020-12-312020-09-302019-12-312019-09-30
Value66000.0000
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAggregateFairValue100.00.00.00.0

ofc:PerformancebasedPIUs


Share
Period End2021-01-012020-01-01
Value3400000.02900000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAggregateFairValue0.00.0

ofc:TimebasedProfitInterestUnits


Share
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0200000.01700000.000200000.01400000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAggregateFairValue0.00.00.00.00.00.00.0

us-gaap:RestrictedStock


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value600000.03600000.0100000.0500000.03400000.0400000.01000000.03500000.0300000.0400000.04600000.0100000.0600000.07100000.0200000.0400000.04400000.0200000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAggregateFairValue0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ofc:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAggregateFairValue us-gaap:TitleOfIndividual, us-gaap:AwardType

ofc:SeniorManagementTeamMembers, ofc:TimebasedProfitInterestUnits


Share
Period End2021-03-31
Value2100000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAggregateFairValue0.0

ofc:SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedinPeriodPercentageofTarget us-gaap:TitleOfIndividual, us-gaap:AwardType, us-gaap:PlanName

ofc:SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedinPeriodPercentageofTarget

ofc:Executives, us-gaap:PerformanceShares, ofc:A2018PSUGrants


Sharebased
Period End2021-02-03
Value200.0
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedinPeriodPercentageofTarget100.0

ofc:UnconsolidatedJointVentureNetOperatingIncomeAllocabletoParent

ofc:UnconsolidatedJointVentureNetOperatingIncomeAllocabletoParent


Unconsolidated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value973000.0917000.01761000.01752000.01725000.01713000.01634000.01601000.01251000.01219000.01211000.01206000.01202000.01199000.01299000.01297000.01294000.01298000.01297000.01008000.00000
Percentage of UnconsolidatedJointVentureNetOperatingIncomeAllocabletoParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

ofc:UnconsolidatedJointVentureNetOperatingIncomeAllocabletoParent us-gaap:ProductOrService

ofc:RealEstateOperations


Unconsolidated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value973000.0917000.01761000.01752000.01725000.01713000.01634000.01601000.01251000.01219000.01211000.01206000.01202000.01199000.01203000.01202000.0
Percentage of UnconsolidatedJointVentureNetOperatingIncomeAllocabletoParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.092.692.7

ofc:UnconsolidatedJointVentureNetOperatingIncomeAllocabletoParent us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations


Unconsolidated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value973000.0917000.01761000.01752000.01725000.01713000.01634000.01601000.01251000.01219000.01211000.01206000.01202000.01199000.01203000.01202000.0
Percentage of UnconsolidatedJointVentureNetOperatingIncomeAllocabletoParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.092.692.7

ofc:UnconsolidatedJointVentureNetOperatingIncomeAllocabletoParent us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:DataCenterShells


Unconsolidated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value973000.0917000.01761000.01752000.01725000.01713000.01634000.01601000.01251000.01219000.01211000.01206000.01202000.01199000.01203000.01202000.0
Percentage of UnconsolidatedJointVentureNetOperatingIncomeAllocabletoParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.092.692.7

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AmortizationOfFinancingCostsAndDiscounts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1331000.01335000.01168000.01111000.01032000.0961000.0923000.0915000.0903000.0898000.0915000.0830000.0826000.0822000.0793000.0901000.01265000.01348000.01429000.01458000.01503000.01495000.01444000.01526000.01364000.01254000.0
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfFinancingCostsAndDiscounts us-gaap:ConsolidatedEntities

srt:Subsidiaries


Amortization
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1168000.01111000.01032000.0961000.0923000.0915000.0903000.0898000.0915000.0830000.0826000.0822000.0
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits

us-gaap:AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits


Amount
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value11000.021000.0-8000.06000.08000.07000.05000.018000.00000
Percentage of AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:AssetImpairmentCharges

us-gaap:AssetImpairmentCharges


Asset
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.01.530.0020.3272.3670.00.013-0.1611.6250.01.55427692.446192.3071.2380.00.0480.0661.302-10.443160.01.8571.954460.05.126840.03827
Percentage of AssetImpairmentCharges0.0100.0100.0100.0100.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.00.0100.0100.0

us-gaap:AssetImpairmentCharges us-gaap:ConsolidatedEntities

srt:Subsidiaries


Asset
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-30
Value0.01.530.0020.3272.3670.0
Percentage of AssetImpairmentCharges0.0100.0100.0100.0100.00.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized us-gaap:ProductOrService

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

ofc:ConstructionContractRevenue


Contract
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
Value2.070.5470.00.0190.0920.6460.0010.00.0060.4390.00.07.999190.011164.199
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.00.0100.0100.0100.0100.00.0100.0100.00.00.0100.0100.00.0100.0100.0100.0

us-gaap:ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod us-gaap:ProductOrService

us-gaap:ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod

ofc:ConstructionContractRevenue


Contract
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value84000.074000.035000.00-14000.032000.031000.0-1000.010000.0309000.0-8000.047000.0401000.0146000.0
Percentage of ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CostOfOtherPropertyOperatingExpense

us-gaap:CostOfOtherPropertyOperatingExpense


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value54565251504951494749
Percentage of CostOfOtherPropertyOperatingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CostOfOtherPropertyOperatingExpense us-gaap:ConsolidatedEntities

srt:Subsidiaries


Cost
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5251504951494749
Percentage of CostOfOtherPropertyOperatingExpense100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CostOfOtherPropertyOperatingExpense us-gaap:ProductOrService

ofc:RealEstateOperations


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value54565251504951494749
Percentage of CostOfOtherPropertyOperatingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CostOfOtherPropertyOperatingExpense us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value41444139393839383638
Percentage of CostOfOtherPropertyOperatingExpense76.478.178.777.378.878.078.177.875.978.6

ofc:RealEstateOperations, ofc:RegionalOffice


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value7.8427.6646.9377.7826.8887.5377.3337.3437.597.416
Percentage of CostOfOtherPropertyOperatingExpense14.413.513.315.113.715.114.414.815.915.0

ofc:RealEstateOperations, ofc:WholesaleDataCenter


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4.6294.4213.8333.6423.4633.2333.3833.3743.6182.838
Percentage of CostOfOtherPropertyOperatingExpense8.57.87.47.16.96.56.66.87.65.7

ofc:RealEstateOperations, us-gaap:AllOtherSegments


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.4150.3990.3120.2960.3020.2380.4640.3240.3480.309
Percentage of CostOfOtherPropertyOperatingExpense0.80.70.60.60.60.50.90.70.70.6

us-gaap:CostOfOtherPropertyOperatingExpense us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:DataCenterShells


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.7771.0820.8880.8610.7890.6570.3320.5180.7590.353
Percentage of CostOfOtherPropertyOperatingExpense1.41.91.71.71.61.30.61.01.60.7

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:FortMeadeandBaltimoreWashingtonCorridor


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value21242121202120201922
Percentage of CostOfOtherPropertyOperatingExpense39.843.341.141.841.542.439.941.740.445.2

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:LacklandAirForceBase


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value7.5066.8747.3597.1167.7856.7959.2867.1496.6485.959
Percentage of CostOfOtherPropertyOperatingExpense13.712.114.113.815.513.618.214.413.912.1

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:NavySupportLocations


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.2273.4333.1553.0443.1713.2853.3083.5813.2863.404
Percentage of CostOfOtherPropertyOperatingExpense5.96.06.15.96.36.66.57.26.96.9

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:NorthernVirginia


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5.5385.8765.5565.2455.3355.1854.8284.9654.6945.292
Percentage of CostOfOtherPropertyOperatingExpense10.110.310.710.210.610.49.410.09.810.7

ofc:RealEstateOperations, ofc:DefenseandTechnologyLocations, ofc:RedstoneArsenal


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.9682.5542.6312.0291.6121.8471.7711.7171.5991.539
Percentage of CostOfOtherPropertyOperatingExpense5.44.55.13.93.23.73.53.53.33.1

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value3737363533323234343436343333333432333232333436383331313030432629282828282827
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationAndAmortization us-gaap:ConsolidatedEntities

srt:Subsidiaries


Depreciation
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value363533323234343436343333
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:DerivativeGainLossOnDerivativeNet


Derivative
Period End2020-12-31
Value0
Percentage of DerivativeGainLossOnDerivativeNet0.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:ConsolidatedEntities

srt:Subsidiaries


Derivative
Period End2020-12-31
Value0
Percentage of DerivativeGainLossOnDerivativeNet0.0

us-gaap:EquityMethodInvestmentRealizedGainLossOnDisposal us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentRealizedGainLossOnDisposal

ofc:GICOPTDCPartnershipLLC


Equity
Period End2020-12-22
Value29
Percentage of EquityMethodInvestmentRealizedGainLossOnDisposal100.0

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeasePrincipalPayments


Finance
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.180.660.0140.00.050.0630.0580.0520.00.0114.202
Percentage of FinanceLeasePrincipalPayments100.0100.0100.00.0100.0100.0100.0100.00.00.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetAmortization us-gaap:IncomeStatementLocation

us-gaap:FinanceLeaseRightOfUseAssetAmortization

ofc:PropertyOperatingExpense


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value9000.09000.07000.09000.09000.09000.09000.09000.012000.00
Percentage of FinanceLeaseRightOfUseAssetAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:GainLossOnDerivativeInstrumentsNetPretax

us-gaap:GainLossOnDerivativeInstrumentsNetPretax


Gain
Period End2020-12-312020-09-302017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value0.0-53.1960.034-0.4450.4541.523-0.319-1.5510.00.00.0
Percentage of GainLossOnDerivativeInstrumentsNetPretax0.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:GainLossOnDerivativeInstrumentsNetPretax us-gaap:ConsolidatedEntities

srt:Subsidiaries


Gain
Period End2020-12-312020-09-30
Value0.0-53.196
Percentage of GainLossOnDerivativeInstrumentsNetPretax0.0100.0

us-gaap:GainLossOnDerivativeInstrumentsNetPretax us-gaap:DerivativeInstrumentRisk

ofc:UndesignatedSwaps


Gain
Period End2020-12-312020-09-30
Value0.0-1.265
Percentage of GainLossOnDerivativeInstrumentsNetPretax0.02.4

us-gaap:GainLossOnDerivativeInstrumentsNetPretax us-gaap:DerivativeInstrumentRisk, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:InterestRateSwap, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterest


Gain
Period End2020-12-312020-09-30
Value0.0-51.865
Percentage of GainLossOnDerivativeInstrumentsNetPretax0.097.5

us-gaap:GainLossOnDispositionOfAssets1

us-gaap:GainLossOnDispositionOfAssets1


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value40-0.49300.00.00.005200.084
Percentage of GainLossOnDispositionOfAssets1100.0100.0100.00.00.0100.0100.00.0100.0

us-gaap:GainLossOnDispositionOfAssets1 us-gaap:ConsolidatedEntities

srt:Subsidiaries


Gain
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-30
Value300.00.0200.084
Percentage of GainLossOnDispositionOfAssets1100.00.00.0100.00.0100.0

us-gaap:GainLossOnSaleOfProperties

us-gaap:GainLossOnSaleOfProperties


Gain
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value300.0200.0840.02.3670.0-0.023-0.0044.4521.1880.0124.2386.885340.00.0640.015-0.0013.9860.041100.0-0.0049.0040.00.3292.354-0.00816-0.0824.1383.3621.2990.1662.701-0.0043.2610.3350.325
Percentage of GainLossOnSaleOfProperties100.00.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfProperties us-gaap:ConsolidatedEntities

srt:Subsidiaries


Gain
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value300.0200.0840.02.3670.0-0.023-0.004
Percentage of GainLossOnSaleOfProperties100.00.0100.00.0100.00.0100.00.0100.0100.0

us-gaap:ImpairmentOfRealEstate us-gaap:StatementGeographical

us-gaap:ImpairmentOfRealEstate

stpr:MD


Impairment
Period End2020-09-30
Value1.5
Percentage of ImpairmentOfRealEstate100.0

us-gaap:ImpairmentOfRealEstate us-gaap:StatementGeographical, us-gaap:FairValueByMeasurementFrequency

stpr:MD, us-gaap:FairValueMeasurementsNonrecurring


Impairment
Period End2020-09-30
Value1.5
Percentage of ImpairmentOfRealEstate100.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


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
Value260000.0222000.0453000.0477000.0454000.0441000.0426000.0396000.0420000.0391000.01577000.0374000.0373000.0373000.0720000.0719000.0718000.0725000.0718000.0594000.010000.010000.010000.018000.09000.025000.023000.0193000.0-47000.060000.01899000.044000.0126000.041000.0-24000.0-246000.0-187000.0-89000.0-108000.0-159000.0-94000.030000.01005000.0648000.0-72000.0-205000.0
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:ConsolidatedEntities

srt:Subsidiaries


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value453000.0477000.0454000.0441000.0426000.0396000.0420000.0391000.01577000.0374000.0373000.0373000.0
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOperatingLiabilities

us-gaap:IncreaseDecreaseInOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value20-21.53105.07.242-16.2130.753-9.891208.822-0.530.773-5.519-43.9039.529-2.8339.882-12.269111619-3.802-2.965-13.212-0.147120.844118.4514.7853.9421.0971.476-2.555
Percentage of IncreaseDecreaseInOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOperatingLiabilities us-gaap:ConsolidatedEntities

srt:Subsidiaries


Increase
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value104.866.99-15.4331.94-9.911208.476-0.0520.621-5.232-43.768
Percentage of IncreaseDecreaseInOperatingLiabilities96.697.296.595.2257.6100.299.996.19.880.394.899.7

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-7.285-6.609-5.53836-7.654-15.548-4.42126-5.96.752-2.82318-6.185-8.533-2.54717-6.809-13.991-2.50631-5.362-5.941-8.08111-12.876.352-14.32229-3.7070.494-7.84618-1.704-4.18-3.04916-31.8139.612-7.5112
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets us-gaap:ConsolidatedEntities

srt:Subsidiaries


Increase
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-5.89336-7.906-14.768-3.23426-5.9236.406-2.34518-5.898-8.398
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets106.499.6103.395.073.299.9100.494.983.199.295.498.4

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-06-302012-03-312011-06-302010-12-312010-09-302010-06-30
Value297000.010000.0-2000.0321000.0239000.0-5000.0361000.0310000.0267000.0-31000.0231000.0119000.0144000.0-22000.0146000.0160000.0155000.0081000.0095000.0-21000.021000.035000.0198000.02000.0195000.0201000.0112000.057000.00052000.025000.044000.00-34000.0296000.0421000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.00.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements us-gaap:ConsolidatedEntities

srt:Subsidiaries


Incremental
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value10000.0-2000.0321000.0239000.0-5000.0361000.0310000.0267000.0-31000.0231000.0119000.0144000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestCostsCapitalized

us-gaap:InterestCostsCapitalized


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
Value1.71.82.72.93.23.43.52.92.42.01.71.41.41.41.01.11.61.51.41.21.31.81.61.52.02.11.81.31.41.62.12.22.12.43.13.43.63.84.34.54.34.34.53.94.2
Percentage of InterestCostsCapitalized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1032000.0992000.0966000.0714000.0454000.0440000.032000.0557000.0562000.0413000.0
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest ofc:UnitsByName, us-gaap:ConsolidatedEntities, us-gaap:Ownership

us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest

ofc:CommonUnits, srt:Subsidiaries, ofc:COPT


Limited
Period End2020-12-312020-09-302020-06-302020-03-31
Value097.61400.986
Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest0.0100.00.0100.0

us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest us-gaap:ConsolidatedEntities, us-gaap:Ownership, us-gaap:StatementEquityComponents

srt:Subsidiaries, ofc:COPT, ofc:CommonUnits


Limited
Period End2021-06-302021-03-31
Value098.3
Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest0.00.0

us-gaap:MinorityInterestChangeInRedemptionValue

us-gaap:MinorityInterestChangeInRedemptionValue


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value140000.0482000.01896000.0374000.0236000.04101000.0405000.0-1531000.02076000.0799000.0506000.0573000.0221000.0537000.0-382000.0-645000.0-144000.0545000.0105000.0167000.047000.0302000.0-715000.0-140000.0666000.073000.0-141000.0-710000.01257000.0-540000.0707000.0783000.04783000.0848000.01128000.01000000.0924000.0903000.0
Percentage of MinorityInterestChangeInRedemptionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MinorityInterestChangeInRedemptionValue us-gaap:ConsolidatedEntities

srt:Subsidiaries


Minority
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1896000.0374000.0236000.04101000.0405000.0-1531000.02076000.0799000.0506000.0573000.0221000.0537000.0
Percentage of MinorityInterestChangeInRedemptionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value741000.0412000.0711000.0640000.01117000.0958000.01106000.01185000.0869000.0675000.0620000.0674000.0591000.0638000.0618000.0580000.0573000.0567000.0563000.0562000.0557000.0560000.0
Percentage of NetIncomeLossAttributableToRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable

us-gaap:NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value559000.0-85000.0995000.0-386000.0284000.0287000.0500000.0267000.01339000.0257000.0210000.0380000.0608000.0544000.0325000.0704000.0273000.0634000.0793000.0901000.0-1976000.0127000.02172000.03357000.0476000.0398000.064000.0768000.0158000.016000.03757000.0-232000.0-671000.0429000.0651000.0-1533000.0
Percentage of NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersNonredeemable

us-gaap:NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersNonredeemable


Noncontrolling
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value69000.077000.077000.077000.077000.0157000.0165000.0165000.0165000.0165000.0165000.0165000.0165000.0165000.0165000.0165000.0165000.0165000.0165000.0165000.0165000.0165000.0165000.0165000.0165000.0165000.0165000.0165000.0165000.0165000.0165000.0165000.0165000.0165000.0
Percentage of NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersNonredeemable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance

us-gaap:AdditionalPaidInCapital


Noncontrolling
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-545000.0240000.0552000.0428000.0-453000.0355000.0312000.0488000.0-1322000.0-397000.0-1367000.0-538000.0-164000.0-897000.0-75000.0-268000.0-246000.0-2116000.0-37000.0-59000.054000.0-91000.0-72000.0-44000.0-475000.0-3134000.0-176000.0-3000.0-69000.029000.01722000.0-266000.0-2229000.0-5000000.0
Percentage of NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterest


Noncontrolling
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value545000.0-240000.0-552000.0-428000.0453000.0-355000.0-312000.0-488000.01322000.0397000.01367000.0538000.0164000.0897000.075000.0268000.0246000.02116000.037000.059000.0-54000.091000.072000.044000.0475000.03134000.0176000.03000.069000.0-29000.0-1722000.0266000.02229000.05000000.0
Percentage of NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0

us-gaap:OperatingLeaseCost us-gaap:IncomeStatementLocation

us-gaap:OperatingLeaseCost

ofc:PropertyOperatingExpense


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1013000.0973000.0939000.0600000.0445000.0431000.0460000.0413000.0413000.0413000.0
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncome

us-gaap:OperatingLeaseLeaseIncome


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value143144139133132131130129131130
Percentage of OperatingLeaseLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncome us-gaap:ConsolidatedEntities

srt:Subsidiaries


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value139133132131130129131130
Percentage of OperatingLeaseLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncomeLeasePayments

us-gaap:OperatingLeaseLeaseIncomeLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value113112110106103104101102104104
Percentage of OperatingLeaseLeaseIncomeLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value804000.0782000.0446000.0230000.0311000.0254000.0322000.0228000.0
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseVariableLeaseIncome

us-gaap:OperatingLeaseVariableLeaseIncome


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value30322827282629272626
Percentage of OperatingLeaseVariableLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-240000.0784000.0138000.01428000.0-3315000.0-37705000.09116000.0-11047000.0-13545000.0-8845000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax us-gaap:ConsolidatedEntities

srt:Subsidiaries


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value138000.01428000.0-3315000.0-37705000.09116000.0-11047000.0-13545000.0-8845000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1203000.0-1175000.0-1317000.0-1342000.0-935000.0-131000.0-19000.0307000.0557000.0570000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax us-gaap:ConsolidatedEntities

srt:Subsidiaries


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1317000.0-1342000.0-935000.0-131000.0-19000.0307000.0557000.0570000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:InterestRateSwap, us-gaap:InterestExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1203000.0-1175000.0-1317000.0-1342000.0-935000.0-131000.0-19000.0307000.0557000.0570000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1010000.01452000.03671000.02921000.01211000.052000.01726000.01300000.01424000.01572000.0764000.01192000.0-130000.0907000.02151000.01422000.01207000.01341000.01534000.01036000.0923000.0802000.01394000.0162000.0-2724000.0640000.0796000.0782000.0632000.01032000.0809000.0-1350000.0917000.02717000.02736000.0-458000.0-506000.01423000.0-1338000.0-394000.0-550000.0926000.01678000.02469000.0
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncashIncomeExpense us-gaap:ConsolidatedEntities

srt:Subsidiaries


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3671000.02921000.01211000.052000.01726000.01300000.01424000.01572000.0764000.01192000.0-130000.0907000.0
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNonoperatingIncome

us-gaap:OtherNonoperatingIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2228000.01865000.03341000.01746000.02282000.01205000.01917000.01842000.01849000.02286000.074000.01486000.01439000.01359000.01501000.01508000.01583000.01726000.01567000.01391000.01330000.01156000.01300000.0692000.01242000.01283000.01148000.01191000.01299000.01285000.0885000.0-3000.02006000.0946000.04020000.01095000.0840000.01217000.01921000.0-242000.02756000.01168000.07626000.0395000.0245000.01302000.0
Percentage of OtherNonoperatingIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNonoperatingIncome us-gaap:ConsolidatedEntities

srt:Subsidiaries


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3341000.01746000.02282000.01205000.01917000.01842000.01849000.02286000.074000.01486000.01439000.01359000.0
Percentage of OtherNonoperatingIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:OtherOperatingActivitiesCashFlowStatement


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-1079000.0314000.0736000.0707000.0829000.0928000.0772000.0872000.0751000.0910000.0464000.0479000.01657000.0436000.0458000.0433000.0190000.0750000.0178000.0509000.0-48000.043000.026000.00-571000.0545000.0
Percentage of OtherOperatingActivitiesCashFlowStatement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:OtherOperatingActivitiesCashFlowStatement us-gaap:ConsolidatedEntities

srt:Subsidiaries


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value736000.0707000.0829000.0928000.0772000.0872000.0751000.0910000.0464000.0479000.01657000.0436000.0
Percentage of OtherOperatingActivitiesCashFlowStatement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic


Participating
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
Value136000.0170000.066000.0145000.0115000.0105000.0161000.0123000.0364000.086000.0114000.0114000.0117000.0117000.0112000.095000.0117000.0125000.0100000.0105000.096000.0118000.0231000.0369000.0113000.0122000.0100000.0103000.0108000.0121000.0
Percentage of ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic us-gaap:ConsolidatedEntities

srt:Subsidiaries


Participating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value137000.0119000.0133000.0121000.0193000.0139000.0438000.093000.0114000.0114000.0117000.0117000.0
Percentage of ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic207.682.1115.7115.2119.9113.0120.3108.1100.0100.0100.0100.0

us-gaap:PartnersCapitalAccountRedemptions

us-gaap:PartnersCapitalAccountRedemptions


Partners
Period End2021-06-302019-12-312019-09-302019-06-30
Value241000.0024000.01000.0
Percentage of PartnersCapitalAccountRedemptions100.00.0100.0100.0

us-gaap:PartnersCapitalAccountRedemptions us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Partners
Period End2021-06-302019-12-312019-09-302019-06-30
Value241000.0024000.01000.0
Percentage of PartnersCapitalAccountRedemptions100.00.0100.0100.0

us-gaap:PaymentsForCapitalImprovements

us-gaap:PaymentsForCapitalImprovements


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
Value6.4275.9557.959136.1195.457105.5774.4444.476104.7733.3865.1987.7083.3946.5775.2034.2826.0566.5029.505104.2384.6523.727.5414.6977.3679.1156.4125.792.4119.327104.0572.1543.365.3315.5661.9454.0644.5521.6141.5212.735
Percentage of PaymentsForCapitalImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForCapitalImprovements us-gaap:ConsolidatedEntities

srt:Subsidiaries


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7.959136.1195.457105.5774.4444.476104.7733.3865.198
Percentage of PaymentsForCapitalImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForDerivativeInstrumentInvestingActivities

us-gaap:PaymentsForDerivativeInstrumentInvestingActivities


Payments
Period End2020-12-31
Value0.0
Percentage of PaymentsForDerivativeInstrumentInvestingActivities0.0

us-gaap:PaymentsForDerivativeInstrumentInvestingActivities us-gaap:ConsolidatedEntities

srt:Subsidiaries


Payments
Period End2020-12-31
Value0.0
Percentage of PaymentsForDerivativeInstrumentInvestingActivities0.0

us-gaap:PaymentsForDerivativeInstrumentInvestingActivities us-gaap:DerivativeInstrumentRisk

us-gaap:InterestRateSwap


Payments