JBGS


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

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued

us-gaap:PreferredStockSharesAuthorized

us-gaap:CommonStockSharesOutstanding
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CostsAndExpenses

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestExpense

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NonoperatingIncomeExpense
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:OperatingIncomeLoss

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherIncome

us-gaap:ProfitLoss
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:ConsolidationItems, us-gaap:ProductOrService
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService

us-gaap:Revenues
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:Assets
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:Liabilities
us-gaap:ConsolidatedEntities
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:StockholdersEquity
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssets
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:StatementBusinessSegments
us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:LongTermDebt
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:MinorityInterest

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:MinorityInterest

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DepreciationDepletionAndAmortization

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:Dividends
us-gaap:StatementEquityComponents

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsValuationAllowance

jbgs:AllocatedSharebasedCompensationExpenseFormationTransaction

jbgs:AmortizationOfAcquiredBelowMarketLeaseNetOfAcquiredAboveMarketLease

jbgs:BillRentReceivableReserve
us-gaap:StatementClassOfStock
jbgs:CommonSharesIssuedDuringPeriodinConnectionwithRedemptionofOPUnits

jbgs:CompletedPotentialIntegratedTransactionCosts

jbgs:ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest

jbgs:ComprehensiveNetLossAttributableToRedeemableNoncontrollingInterest

jbgs:ConsolidatedNOI
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

jbgs:DeferredStraightLineRentReceivablesReserve

jbgs:DemolitionCosts

jbgs:EquityMethodInvestmentSummarizedFinancialInformationOperatingIncomeLoss

jbgs:FinanceLeaseLiabilityObtainedInExchangeForRightOfUseAsset

jbgs:GainLossOnDebtExtinguishmentIncludingPrepaymentPenalty

jbgs:GeneralLiabilityInsuranceCoverageLimitPerOccurrence

jbgs:LeaseDeferralRequestsDueToUnusualEvent

jbgs:LeaseIncomeGuarantee
us-gaap:ConsolidatedEntities
jbgs:LesseeEquityContribution

jbgs:MinorityInterestIncreaseDecreaseFromContributionsDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

jbgs:OtherIncomeExcludingParkingIncome

jbgs:PaymentsForDepositsOnRealEstateAndOtherAcquisitions

jbgs:PaymentsToDevelopRealEstateAssetsConstructionInProgressAndRealEstateAdditions

jbgs:PropertyandRentalValueInsuranceCoverageLimit
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
jbgs:RealEstateVenturePromoteInterestPaid
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsequentEventType
jbgs:RealEstateVenturePromoteInterestToBePaidToCertainIndividuals
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:SubsequentEventType

jbgs:RecognitionDerecognitionOfLiabilitiesRelatedToOperatingLeaseRightOfUseAssets

jbgs:RecognitionDerecognitionOfOperatingLeaseRightOfUseAssets

jbgs:ReimbursementRevenuefromThirdParties

jbgs:RentalRevenue
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

jbgs:RevenuefromContractwithCustomerExcludingReimbursements
us-gaap:ProductOrService

jbgs:RevenuefromContractwithCustomerIncludingReimbursements

jbgs:ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateFairValue
us-gaap:AwardType
us-gaap:TitleOfIndividual, us-gaap:AwardType
us-gaap:AwardType
jbgs:SharebasedCompensationArrangementBySharebasedPaymentAwardOtherThanOptionsEarnedPercentage
us-gaap:StatementScenario, us-gaap:AwardType, us-gaap:Vesting
jbgs:SharebasedCompensationArrangementBySharebasedPaymentAwardOtherThanOptionsForfeitedPercentage
us-gaap:StatementEquityComponents
jbgs:StockIssuedDuringPeriodSharesEmployeeIncentiveCompensationAndEmployeeStockPurchasePlan

jbgs:StockIssuedDuringPeriodValueEmployeeIncentiveCompensationAndEmployeeStockPurchasePlan
us-gaap:StatementEquityComponents

jbgs:TemporaryEquityContributionsDistributions
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

jbgs:TemporaryEquityIncreaseDecreaseToRedemptionValue
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

jbgs:TemporaryEquityOtherComprehensiveIncomeLoss
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

jbgs:TemporaryEquityRedemptionsofOPUnits
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

jbgs:TemporaryEquitySharebasedCompensation
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

jbgs:TenantRelatedObligations
us-gaap:RealEstateProperties

jbgs:TerroristActsInsuranceCoverageLimitPerOccurrence

jbgs:ThirdPartyRealEstateServices

jbgs:ThirdPartyRealEstateServicesExpenses

jbgs:ThirdPartyRealEstateServicesRevenueLessExpenses

jbgs:Transactionandothercosts

jbgs:WriteOffOfFullyDepreciatedAssetsIncludingAssetImpairment

us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:AmortizationOfLeaseIncentives
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths

us-gaap:ConversionOfStockAmountConverted1
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:VariableRate
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LongtermDebtType, us-gaap:VariableRate
us-gaap:AwardType
us-gaap:DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued
us-gaap:TitleOfIndividual, us-gaap:AwardType

us-gaap:DepreciationAndAmortization

us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount

us-gaap:EquityMethodInvestmentDividendsOrDistributions
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentRealizedGainLossOnDisposal

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationRevenue

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeasePrincipalPayments

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate
dei:LegalEntity, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:IncomeLossFromEquityMethodInvestments
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:IncreaseDecreaseInAccountsAndNotesReceivable

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:InterestExpenseDebtExcludingAmortization

us-gaap:InterestPaidCapitalized

us-gaap:InvestmentIncomeNet
us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityCommitmentFeePercentage

us-gaap:MinorityInterestChangeInRedemptionValue
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:OperatingLeaseExpense
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingLeaseLeaseIncome
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingLeaseLeaseIncomeLeasePayments

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeaseVariableLeaseIncome

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherExpenses

us-gaap:OtherGeneralAndAdministrativeExpense

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherOperatingIncome
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDividendsMinorityInterest
us-gaap:BusinessAcquisition
us-gaap:PaymentsToAcquireBusinessesGross

us-gaap:PaymentsToAcquireRealEstateAndRealEstateJointVentures

us-gaap:PaymentsToMinorityShareholders

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromMinorityShareholders

us-gaap:ProceedsFromNotesPayable

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment
dei:LegalEntity, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
dei:LegalEntity, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
dei:LegalEntity, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:ProceedsFromStockPlans
us-gaap:AwardType
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:PropertyManagementFeeRevenue
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:RealEstateTaxExpense
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:CounterpartyName, us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyTransactionAmountsOfTransaction

us-gaap:RepaymentsOfLinesOfCredit
us-gaap:CreditFacility, us-gaap:LongtermDebtType

us-gaap:RepaymentsOfNotesPayable
dei:LegalEntity, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:RepaymentsOfSecuredDebt
dei:LegalEntity, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:RestructuringCharges
us-gaap:CounterpartyName, us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RevenueFromRelatedParties

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:TitleOfIndividual, us-gaap:AwardType
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
us-gaap:Range, us-gaap:AwardType
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
us-gaap:Range, us-gaap:AwardType
us-gaap:AwardType, us-gaap:Vesting
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
us-gaap:StatementScenario, us-gaap:AwardType, us-gaap:Vesting
us-gaap:TitleOfIndividual, us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1
us-gaap:AwardType
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesConversionOfUnits
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans

us-gaap:StockIssuedDuringPeriodValueConversionOfUnits
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueIssuedForServices
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue
us-gaap:StatementEquityComponents
us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:StockRepurchasedDuringPeriodValue
us-gaap:StatementEquityComponents

us-gaap:StraightLineRent

us-gaap:TemporaryEquityNetIncome
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:TreasuryStockAcquiredAverageCostPerShare

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic

us-gaap:UnrealizedGainLossOnDerivatives

jbgs:DeferredPurchasePrice

jbgs:DeferredTaxLiabilitiesIntangibleAssets

jbgs:DeferredTaxLiabilitiesRealEstate

jbgs:DividendsPayableCommonShareholders

jbgs:DividendsPayableRedeemableNoncontrollingInterest

jbgs:EquityMethodInvestmentLongTermDebt

jbgs:EquityMethodInvestmentLongTermDebtBearingFixedAmount

jbgs:EquityMethodInvestmentLongTermDebtBearingVariableAmount

jbgs:EquityMethodInvestmentLongTermDebtNet
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

jbgs:EquityMethodInvestmentLongTermDebtPercentageBearingFixedInterestPercentageRate

jbgs:EquityMethodInvestmentLongTermDebtPercentageBearingVariableInterestPercentageRate
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
jbgs:EquityMethodInvestmentOwnershipPercentageAfterFundingOfContributions

jbgs:EquityMethodInvestmentSummarizedFinancialInformationAssetsOther

jbgs:EquityMethodInvestmentSummarizedFinancialInformationAssetsRealEstateInvestmentPropertyNet

jbgs:EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesOther

jbgs:EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesSecuredDebt

jbgs:EquityMethodInvestmentUnamortizedDeferredFinancingCosts
us-gaap:ConsolidatedEntities
jbgs:GroundLesseeEquityFunding
us-gaap:ConsolidatedEntities
jbgs:GroundLesseeEquityFundingObligation

jbgs:IntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

jbgs:LeaseAssumptionsLiabilities

jbgs:LeaseGuaranteeReceivables

jbgs:ManagementAndLeasingContractsNet

jbgs:ManagementFeeReceivable
us-gaap:CounterpartyName, us-gaap:RelatedPartyTransactionsByRelatedParty
jbgs:QualifiedAffordableHousingProjectInvestmentsRemainingCommitment
us-gaap:CounterpartyName, us-gaap:RelatedPartyTransactionsByRelatedParty
jbgs:QualifiedAffordableHousingProjectInvestmentsTotalCapitalCommitments

jbgs:SECSchedule1228RealEstateCompaniesInvestmentinRealEstateFederalIncomeTaxBasisDifference

srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

us-gaap:AccountsAndNotesReceivableNet

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:AccountsReceivableGross
us-gaap:CounterpartyName, us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:AccountsReceivableRelatedParties

us-gaap:AccrualForEnvironmentalLossContingencies

us-gaap:AdvanceRent

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementGeographical
us-gaap:StatementGeographical, us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:BelowMarketLeaseAccumulatedAmortization

us-gaap:BelowMarketLeaseAmortizationIncomeAfterYearFive

us-gaap:BelowMarketLeaseAmortizationIncomeNextTwelveMonths

us-gaap:BelowMarketLeaseAmortizationIncomeYearFive

us-gaap:BelowMarketLeaseAmortizationIncomeYearFour

us-gaap:BelowMarketLeaseAmortizationIncomeYearThree

us-gaap:BelowMarketLeaseAmortizationIncomeYearTwo

us-gaap:BelowMarketLeaseGross

us-gaap:BelowMarketLeaseNet
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationContingentConsiderationLiability
us-gaap:PlanName
us-gaap:CommonStockCapitalSharesReservedForFutureIssuance

us-gaap:DebtInstrumentCarryingAmount
us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentCollateralAmount
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
us-gaap:DebtInstrumentFaceAmount
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LongtermDebtType
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:DebtInstrumentFairValue
us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentInterestRateEffectivePercentage
us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType

us-gaap:DebtIssuanceCostsLineOfCreditArrangementsNet
us-gaap:BalanceSheetLocation, us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:CreditFacility, us-gaap:DerivativeInstrumentRisk, us-gaap:LongtermDebtType
us-gaap:DebtWeightedAverageInterestRate

us-gaap:DeferredCostsLeasingAccumulatedAmortization

us-gaap:DeferredCostsLeasingGross

us-gaap:DeferredCostsLeasingNet
us-gaap:BalanceSheetLocation, us-gaap:LongtermDebtType
us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredRentReceivablesNet

us-gaap:DeferredTaxAssetsCapitalLossCarryforwards

us-gaap:DeferredTaxAssetsCharitableContributionCarryforwards

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation

us-gaap:DeferredTaxAssetsTaxDeferredExpenseOther

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DepositAssets
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:HedgingDesignation
us-gaap:DerivativeAssets
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency, us-gaap:HedgingDesignation

us-gaap:DerivativeInstrumentsInHedgesLiabilitiesAtFairValue
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:HedgingDesignation
us-gaap:DerivativeLiabilities
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency, us-gaap:HedgingDesignation
us-gaap:CreditFacility, us-gaap:DerivativeInstrumentRisk, us-gaap:LongtermDebtType
us-gaap:DerivativeNotionalAmount
us-gaap:DerivativeInstrumentRisk, us-gaap:LongtermDebtType

us-gaap:DevelopmentInProcess

us-gaap:DividendsPayableCurrentAndNoncurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity
dei:LegalEntity, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:Range, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:SubsequentEventType
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationAssets

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationLiabilities

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:RealEstateProperties
us-gaap:GuaranteeObligationsMaximumExposure

us-gaap:IncentiveFromLessor

us-gaap:IntangibleAssetsGrossExcludingGoodwill
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:InvestmentBuildingAndBuildingImprovements

us-gaap:LandAndLandImprovements

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears
us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:LettersOfCreditOutstandingAmount
us-gaap:StatementGeographical, us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:LongtermDebtType
us-gaap:LongTermDebtPercentageBearingFixedInterestRate
us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:LongTermDebtPercentageBearingVariableInterestRate
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:LongtermDebtType
us-gaap:LongtermDebtPercentageBearingFixedInterestAmount
us-gaap:LongtermDebtType
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:LongtermDebtType
us-gaap:LongtermDebtPercentageBearingVariableInterestAmount
us-gaap:LongtermDebtType
us-gaap:Ownership
us-gaap:MinorityInterestOwnershipPercentageByParent
us-gaap:Ownership, us-gaap:StatementClassOfStock

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLossCarryforwards

us-gaap:OtherAssetsMiscellaneous
us-gaap:RealEstateProperties
us-gaap:OtherCommitment

us-gaap:OtherIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OtherLiabilities
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:OtherReceivables

us-gaap:OtherSundryLiabilities

us-gaap:PrepaidExpenseCurrentAndNoncurrent

us-gaap:PurchaseObligation
us-gaap:RealEstateProperties
us-gaap:CounterpartyName, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:QualifiedAffordableHousingProjectInvestmentsCommitment

us-gaap:RealEstateAccumulatedDepreciation

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfLand

us-gaap:RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfLand

us-gaap:RealEstateGrossAtCarryingValue

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation

us-gaap:RealEstateInvestmentPropertyAtCost
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:RealEstateInvestmentPropertyNet
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:RestrictedCash
us-gaap:ProductOrService
us-gaap:RevenueRemainingPerformanceObligation

us-gaap:SecuredDebt
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:SecurityDepositLiability
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap:PlanName
us-gaap:Ownership, us-gaap:StatementClassOfStock
us-gaap:UnitsOfPartnershipInterestAmount

us-gaap:UnsecuredDebt
us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountAssets

Plots across concepts


IncomeStatement
Income Loss From Continuing Operations 
Before Income Taxes Extraordinary Items Noncontrolling Interest
Expenses
Income Tax Expense Benefit
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Operating Lease Right Of Use Asset
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Operating Lease Right Of Use Asset
Liabilities
Operating Lease Liability
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Diluted Shares Outstanding
DividendsAndRepurchase
Payments For Repurchase Of Common Stock
NonoperatingIncomeExpense
Nonoperating Income Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Three
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:CommonStockValue ▇▇▇▇█████▃▂▂▁▁▁▁1.3191.3141.3191.3251.3381.3361.3421.3421.3421.2271.211.211.181.181.181.18NANA0.0NANANA
us-gaap:CommonStockSharesIssued ▇▇▇▇█████▃▂▂▁▁▁▁131.841131.277131.778132.438133.708133.517134.148134.127134.127122.594120.937120.917117.955117.955117.955117.957NANANANANANA
us-gaap:PreferredStockSharesAuthorized █████▁█████████200.0200.0200.0200.0200.00.2200.0200.0200.0200.0200.0200.0200.0200.0200.0NANANANANANANA
us-gaap:CommonStockSharesOutstanding ▇▇▇▇█████▃▂▂▁▁▁▁131.841131.277131.778132.438133.708133.517134.148134.127134.127122.594120.937120.917117.955117.955117.955117.957NANANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█131.48131.54NA133.62133.613135.429NA134.127131.754123.423NA119.835117.955117.955NA114.744100.571NANANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁█131.48131.54NA133.62133.613134.542NA134.127131.754122.573NA119.835117.955117.955NANANANANANANANA
us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted NANANA133.62133.613NANA134.127131.754NANA119.835117.955117.955NA114.744100.571100.571NA100.571NANA
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount ▄▄3.93.9NA4.45.24.1NA4.74.73.9NA3.921.73.8NA0.013408NANANANANANA
us-gaap:EarningsPerShareBasic -0.03NANA-0.18-0.280.320.250.06-0.030.2-0.010.190.17-0.04-0.15-0.610.110.060.130.210.170.11
us-gaap:EarningsPerShareDiluted -0.03NANA-0.18-0.280.320.250.06-0.030.2-0.010.190.17-0.04-0.15-0.610.110.060.130.210.170.11
us-gaap:EarningsPerShareBasicAndDiluted NA-0.16-0.36-0.18-0.280.320.250.06-0.030.2NANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
 Operating Margin us-gaap:EquityMethodInvestmentNonconsolidatedInvestee jbgs:InvestmentsinUnconsolidatedRealEstateVentures▁█47.86448.217NANA45.31469.579NANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:AllocatedShareBasedCompensationExpense ▂▁▁▃█▅▅▃▃▄13.65613.23612.86815.00920.81217.36217.84115.31715.52516.589NANANA13.72614.80614.445NA0.6910.00.0NANA
us-gaap:ComprehensiveIncomeNetOfTax ▅▅▃▄▃▆█▆▄▆▄▇▇▆▅▁▆▆-0.778-11.552-40.984-19.557-38.72513.72843.2242.938-18.74414.709-16.72227.325.3699.065-12.29-69.83111.3416.318NANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▅▅▃▄▃▆█▅▄▆▄▇▇▆▄▁▆▆-0.888-13.917-45.041-21.46-42.3915.40548.6313.307-20.53516.713-18.4631.54829.65210.345-16.915-77.99111.3416.318NANANANA
us-gaap:CostsAndExpenses ▃▇▇▄▄▄█▂▁▃156.399167.813166.579158.678156.962157.931169.901151.834149.14154.534NANANANANANANANANANANANA
us-gaap:GainsLossesOnExtinguishmentOfDebt NANA-0.0290.00.0-0.033-3.9160.0-1.889NA-0.617-0.079-4.457NA-0.012-0.6890.00.00.00.0NANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▅▄▃▄▃██▆▅▇▆▇▇▅▄▁▆▆▆▇▆-3.323-19.754-50.712-25.493-41.15145.8338.07910.964-3.27727.0761.69225.54124.336-5.694-28.347-79.02511.7046.67212.82921.31617.101NA
us-gaap:IncomeTaxExpenseBenefit ▆█▆▆▅▅▆▆▆▅▆▅▆▅▁▅▆▆▆▆▆-0.0054.315-0.544-0.488-0.888-2.345-0.6130.4320.051-1.1720.698-0.8410.313-0.908-9.595-1.0340.3630.3540.1990.3020.318NA
us-gaap:InterestExpense ▆▆▇▆▅▂▂▁▃▆▇█▇█▄▅▄▄▃▃▃16.77316.29617.66116.88515.7712.00511.83110.58313.10717.17418.18418.97918.02719.25714.32815.30914.58613.91813.11913.02813.549NA
us-gaap:InterestPaidNet ▅▅▅▅▄▃▃▂▄▅▅▆▅▅▁█▃▃▁▆15.40614.92916.21715.09714.7210.92710.8749.38413.6915.48915.7717.09415.15716.5847.03422.63511.50811.2117.83317.633NANA
us-gaap:NetIncomeLoss ▅▄▃▄▃█▇▆▅▇▅▇▇▅▄▁▆▆▆▇▆-2.973-20.731-45.655-22.793-36.7842.92534.399.36-3.0424.8610.7122.8320.574-4.19-13.902-69.83111.3416.31812.6321.01416.783NA
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic -3.567NANA-23.615-37.687NA34.398.681-4.03624.8610.7122.67720.356-4.19-16.418-69.83111.3416.31812.6321.01416.78311.547
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted -3.707NANA-24.726-37.687NANA8.681-4.036NANANANANANANANANANANANANA
us-gaap:NonoperatingIncomeExpense ▄▂▁▂▁██▄▃▆▆▅▅▂-1.568-17.23-32.762-17.85-29.14145.65443.103-4.279-14.75426.41121.57510.4557.655-20.131NANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:EquityMethodInvestmentNonconsolidatedInvestee jbgs:InvestmentsinUnconsolidatedRealEstateVentures█▁41.4931.714NANA-25.232-0.482NANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax █▃██▇▁2.4-33.85.23.5-2.1-50.5NANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▆▇▇▆▅▁▇▅▃▄▃▇▇█▆▆▆▆2.4310.1525.1273.545-2.127-32.779.939-7.225-17.207-11.535-19.4545.1665.62915.1311.8370.00.00.0NANANANA
us-gaap:OtherIncome ▃▃█▃▂▅▅▅▅▅▁▁▂▁▁▁▂▁▁▁▂5.084.94114.1215.3682.3268.0118.1858.5278.8048.0951.4541.7082.081.1161.4661.1583.3741.5821.4431.5642.995NA
us-gaap:ProfitLoss ▅▄▃▄▃█▇▆▅▇▅▇▇▅▄▁▆▆▆▆▆▆-3.318-24.069-50.168-25.005-40.26348.17538.69210.532-3.32828.2480.99426.38224.023-4.786-18.752-77.99111.3416.31812.6321.01416.78311.547
 us-gaap:ProfitLoss us-gaap:EquityMethodInvestmentNonconsolidatedInvestee jbgs:InvestmentsinUnconsolidatedRealEstateVentures█▁33.356-6.526NANA-35.901-18.165NANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService jbgs:CorporateReconcilingItemsAndEliminations,us-gaap:Parking0.107NANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,us-gaap:Parking,jbgs:CommercialSegment█▁2.9592.69NANA0.7726.244NANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,us-gaap:Parking,jbgs:Multifamilysegment█▁0.110.065NANA0.0380.137NANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService us-gaap:Parking█▁3.1762.755NA3.10.816.381NA6.36.7NANANANANANANANANANANANANA
us-gaap:Revenues ▆█▅▆▅▇██▇▆▇▇▇▇▇▆▁▁▂▂▁▁154.644165.289148.629151.035144.952158.107164.877167.077160.617155.199163.255158.443159.447163.037156.371152.35118.02116.272122.039123.357116.339116.784
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:Assets ▇▇▇▇█▇▇▇▇▇▇▇▆▇▇▇▁6008.2116019.3176079.5476277.3246495.7776139.8135986.2516022.2646007.2756024.6945997.2856011.1945914.9496061.7466071.8076015.0273909.945NA3660.64NANANA
us-gaap:Liabilities ▆▆▆▇█▄▃▃▃▇▇▆▆▇▇▆▁2290.3312289.5442342.5932416.4652556.0082145.6191986.8162021.4971990.1892442.8152451.7932379.3392295.662455.5462487.8642372.2151747.805NA1538.656NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▇▇▇▇█▇▇▇▇▇▇▇▆▇▇▇▁6008.2116019.3176079.5476277.3246495.7776139.8135986.2516022.2646007.2756024.6945997.2856011.1945914.9496061.7466071.8076015.0273909.945NA3660.64NANANA
us-gaap:StockholdersEquity ▆▆▆▇██▇██▅▅▆▅▅▅▆▁3156.7013168.1163206.0393369.7593440.4953490.9513386.4763413.9053442.5122996.7512987.1483066.0222950.0742996.9742970.6083071.4092161.845NA2121.689NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:CashAndCashEquivalentsAtCarryingValue ▃▃▃▅█▄▂▃▄▅▃▃▃▃▄▄▄▁▁▁▁201.15208.708225.6455.111710.677295.442126.413230.147280.349395.584260.553253.148239.44221.578316.676367.896280.61350.71229.035.28446.263NA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▃▃▃▆█▄▂▃▄▅▅▄▃▃▄▅▄▁▁238.693248.547263.336492.713731.033314.019142.516243.72296.778413.461399.532380.209261.688248.408338.557385.417284.34855.4432.263NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
 us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:LicensingAgreements█▁25.70725.275NANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill NANA41.487NANANANANANANA89.85994.221104.073109.962126.467143.02.739NA3.063NANANA
us-gaap:FiniteLivedIntangibleAssetsNet NANA15.56517.14818.88521.66923.64424.08429.07931.31989.859NANANA126.467143.0NANA3.063NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass jbgs:LeaseAssets▁▃█11.80513.03715.565NANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:AboveMarketLeasesNANA3.229NANANA5.063NANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:LeasesAcquiredInPlaceNANA12.336NANANA18.581NANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ▂▂▂▂▂▂▅███▁3.3983.473.5426.2866.4266.56419.86531.79532.94934.1510.0NANA0.0NANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
 us-gaap:LongTermDebt us-gaap:CreditFacility,us-gaap:LongtermDebtType jbgs:TrancheA1andA2Loans,us-gaap:LineOfCredit█████▁▁398.322398.151397.979397.808397.637297.466297.295NANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:EquityMethodInvestmentNonconsolidatedInvestee,us-gaap:LongtermDebtType jbgs:InvestmentsinUnconsolidatedRealEstateVentures,us-gaap:Mortgages▁█▆1149.5891190.6551179.188NANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:LongtermDebtType us-gaap:Mortgages▅▅▅▅▂▂▁▃▃▇▇▆▇▇██▃1591.1431591.8831593.7381690.7231312.5241294.8061125.7771358.5711360.4671835.8421838.3811769.9381906.4021921.0482025.6921977.6741376.077NA1165.014NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▅▅▁▂▂▃▅▆▅▅▆▆▆▇█6.165.9952.5093.1793.5534.4565.5426.255.826.0126.8786.4466.9627.4048.202NANANA0.0NANANA
us-gaap:MinorityInterest █▅▁▁▁▁▁▁▁▁▁▂▂▃▃▃▁16.548.730.1670.1790.1910.2030.2010.330.3460.3650.2043.5153.5923.7224.2064.4020.295NA0.295NANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA2.266NANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA1.202NANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA1.263NANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA1.327NANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA6.259NANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:StockholdersEquity ▆▆▆▇██▇██▅▅▆▅▅▅▆▁3156.7013168.1163206.0393369.7593440.4953490.9513386.4763413.9053442.5122996.7512987.1483066.0222950.0742996.9742970.6083071.4092161.845NA2121.689NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▆▆▇▇██▇██▅▅▆▅▅▅▆▁▁▁3173.2413176.8463206.2063369.9383440.6863491.1543386.6773414.2353442.8582997.1162987.3523069.5372953.6663000.6962974.8143075.8112162.142140.5872121.984NANANA
us-gaap:CommonStockValue ▇▇▇▇█████▃▂▂▁▁▁▁1.3191.3141.3191.3251.3381.3361.3421.3421.3421.2271.211.211.181.181.181.18NANA0.0NANANA
us-gaap:AdditionalPaidInCapital ▇▇▇███▇▇▇▂▂▂▁▁▁▂3650.2173631.2773657.6433721.0593742.2053723.7953633.0423643.3333644.6993150.1333155.2563150.8993035.1943080.9263063.6253099.056NANA0.0NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▁▂▂▄▄▅▅▅▆▆▆▇▇▇▇█-466.23-433.675-412.944-307.975-255.162-188.239-231.164-205.192-184.373-151.157-176.018-110.219-105.962-99.999-95.809-28.827NANA0.0NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▃▃▂▁▁▁▄▃▄▅▆██▇▆-28.605-30.8-39.979-44.65-47.886-45.941-16.744-25.578-19.156-3.4526.724.13219.66214.8671.612NANANANANANANA
us-gaap:MinorityInterest █▅▁▁▁▁▁▁▁▁▁▂▂▃▃▃▁16.548.730.1670.1790.1910.2030.2010.330.3460.3650.2043.5153.5923.7224.2064.4020.295NA0.295NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▇█▆▇▇▇██▆▅▇▇█▆▇▁▆▆▇▅57.05466.50241.16642.33643.60341.91661.34759.85634.87517.90851.53243.11658.88434.66150.79-49.26533.05739.60158.15810.463NANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▃▃▁▂▄▅▁▂▁▅▃▅█▂▁█▃▃▃▂-40.93-29.515-109.994-91.042-10.57143.917-95.234-76.73-112.89644.188-22.55437.585144.641-93.345-95.86144.813-28.0-28.629-54.702-59.364NANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▃▁▁█▄▂▃▃▃▃▄▁▃▃▃▆▃▃▄-25.978-51.776-160.549-189.614383.98285.67-67.317-36.184-38.662-48.167-9.65537.82-190.245-31.46512.468-8.265223.37912.205-11.95737.922NANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▃▃▁▁█▅▂▃▂▄▄▅▄▃▃▅▆▄-9.854-14.789-229.377-238.32417.014171.503-101.204-53.058-116.68313.92919.323118.52113.28-90.149-46.86101.069228.90823.177NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:DepreciationDepletionAndAmortization ▆▇▇▆▅▄▅▄▄▄█▄▄▄▅▄▁▁▂▁57.69765.74765.20257.49953.53649.3650.92747.81547.11749.93668.70147.64649.13950.17352.89645.12132.36934.19435.4631.806NANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▇█▆▇▇▇██▆▅▇▇█▆▇▁▆▆▇▅57.05466.50241.16642.33643.60341.91661.34759.85634.87517.90851.53243.11658.88434.66150.79-49.26533.05739.60158.15810.463NANA
us-gaap:NetIncomeLoss ▅▄▃▄▃█▇▆▅▇▅▇▇▅▄▁▆▆▆▇▆-2.973-20.731-45.655-22.793-36.7842.92534.399.36-3.0424.8610.7122.8320.574-4.19-13.902-69.83111.3416.31812.6321.01416.783NA
us-gaap:ProfitLoss ▅▄▃▄▃█▇▆▅▇▅▇▇▅▄▁▆▆▆▆▆▆-3.318-24.069-50.168-25.005-40.26348.17538.69210.532-3.32828.2480.99426.38224.023-4.786-18.752-77.99111.3416.31812.6321.01416.78311.547
 us-gaap:ProfitLoss us-gaap:EquityMethodInvestmentNonconsolidatedInvestee jbgs:InvestmentsinUnconsolidatedRealEstateVentures█▁33.356-6.526NANA-35.901-18.165NANANANANANANANANANANANANANANANA
us-gaap:ShareBasedCompensation ▆▅▅▆█▇▇▆▆▇▅▅▆▅▇▆▁▁▁13.65613.23612.86815.00920.81217.36217.84115.31815.52516.58912.98512.41414.17713.09916.52915.870.6030.6911.016NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▃▃▁▂▄▅▁▂▁▅▃▅█▂▁█▃▃▃▂-40.93-29.515-109.994-91.042-10.57143.917-95.234-76.73-112.89644.188-22.55437.585144.641-93.345-95.86144.813-28.0-28.629-54.702-59.364NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▃▁▁█▄▂▃▃▃▃▄▁▃▃▃▆▃▃▄-25.978-51.776-160.549-189.614383.98285.67-67.317-36.184-38.662-48.167-9.65537.82-190.245-31.46512.468-8.265223.37912.205-11.95737.922NANA
us-gaap:PaymentsOfDividendsCommonStock ▃▃▃▃▃▃▃▃▃█▁▁▁▁29.58229.6529.66430.0230.14330.18430.1830.18130.17539.29827.20627.08926.53726.54NANANANANANANANA
us-gaap:Dividends 29.582NA59.31430.0230.143NA60.36230.17930.176NA66.50927.08726.537NANANANANANANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock ▁▄▆▇▁█0.019.20330.3433.2420.01541.177NANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value1319000.01314000.01319000.01325000.01338000.01336000.01342000.01342000.01342000.01227000.01210000.01210000.01180000.01180000.01180000.01180000.00
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-04-152019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-07-17
Value1311311311321331331341341341112212012011711711711794
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Preferred Stock Shares Authorized

us-gaap:PreferredStockSharesAuthorized

us-gaap:PreferredStockSharesAuthorized


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value2002002002002000.2200200200200200200200200200
Percentage of PreferredStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-07-18
Value131131131132133133134134134122120120117117117117118
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents

us-gaap:CommonStock


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value1311311311321331331341341341221201201171171171170.0
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value131131133133135134131123119117117114100
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value131131133133134134131122119117117
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Share Outstanding Basic And Diluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted


Weighted
Period End2020-09-302020-06-302019-09-302019-06-302018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-30
Value133133134131119117117114100100100
Percentage of WeightedAverageNumberOfShareOutstandingBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value3.93.94.45.24.14.74.73.93.9213.80.013408
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-0.03-0.18-0.280.320.250.06-0.030.2-0.010.190.17-0.04-0.15-0.610.110.060.130.210.170.11
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-0.03-0.18-0.280.320.250.06-0.030.2-0.010.190.17-0.04-0.15-0.610.110.060.130.210.170.11
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic And Diluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted


Earnings
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.16-0.36-0.18-0.280.320.250.06-0.030.2
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-312017-12-312017-09-302017-03-312016-12-312016-09-30
Value131312152017171515161314140.6910.00.0
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of Revenues8.88.08.79.914.411.010.89.29.710.78.49.59.50.60.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-0.778-11.552-40.984-19.557-38.72513432.938-18.74414-16.72227259.065-12.29-69.831116.318
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.5-7.0-27.6-12.9-26.78.726.21.8-11.79.5-10.217.215.95.6-7.9-45.89.65.4

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-0.888-13.917-45.041-21.46-42.3915483.307-20.53516-18.46312910-16.915-77.991116.318
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.6-8.4-30.3-14.2-29.29.729.52.0-12.810.8-11.319.918.66.3-10.8-51.29.65.4

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value156167166158156157169151149154
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues101.1101.5112.1105.1108.399.9103.090.992.999.6

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-29000.000-33000.0-3916000.00-1889000.0-617000.0-79000.0-4457000.0-12000.0-689000.00000
Percentage of GainsLossesOnExtinguishmentOfDebt100.00.00.0100.0100.00.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of Revenues-0.00.00.0-0.0-2.40.0-1.2-0.4-0.0-2.8-0.0-0.50.00.00.00.0

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-3.323-19.754-50.712-25.493-41.151453810-3.277271.6922524-5.694-28.347-79.025116.672122117
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-2.1-12.0-34.1-16.9-28.429.023.16.6-2.017.41.016.115.3-3.5-18.1-51.99.95.710.517.314.7

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-5000.04315000.0-544000.0-488000.0-888000.0-2345000.0-613000.0432000.051000.0-1172000.0698000.0-841000.0313000.0-908000.0-9595000.0-1034000.0363000.0354000.0199000.0302000.0318000.0
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.02.6-0.4-0.3-0.6-1.5-0.40.30.0-0.80.4-0.50.2-0.6-6.1-0.70.30.30.20.20.3

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value161617161512111013171818181914151413131313
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues10.89.911.911.210.97.67.26.38.211.111.112.011.311.89.210.012.412.010.710.611.6

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value151416151410109.3841315151715167.0342211117.83317
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues10.09.010.910.010.26.96.65.68.510.09.710.89.510.24.514.99.89.66.414.3

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-2.973-20.731-45.655-22.793-36.7842349.36-3.04240.712220-4.19-13.902-69.831116.318122116
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-1.9-12.5-30.7-15.1-25.427.120.95.6-1.916.00.414.412.9-2.6-8.9-45.89.65.410.317.014.4

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-3.567-23.615-37.687348.681-4.036240.712220-4.19-16.418-69.831116.31812211611
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-2.3-15.6-26.020.95.2-2.516.00.414.312.8-2.6-10.5-45.89.65.410.317.014.49.9

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302020-09-302020-06-302019-09-302019-06-30
Value-3.707-24.726-37.6878.681-4.036
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0
Percentage of Revenues-2.4-16.4-26.05.2-2.5

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
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
Value-1.568-17.23-32.762-17.85-29.1414543-4.279-14.7542621107.655-20.131
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-1.0-10.4-22.0-11.8-20.128.926.1-2.6-9.217.013.26.64.8-12.3

Operating Income Loss

us-gaap:OperatingIncomeLoss us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:OperatingIncomeLoss

jbgs:InvestmentsinUnconsolidatedRealEstateVentures


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value411.714-25.232-0.482
Percentage of OperatingIncomeLoss100.0100.0100.0100.0
Percentage of Revenues26.81.0-17.4-0.3
Percentage of Revenues jbgs:InvestmentsinUnconsolidatedRealEstateVentures86.73.6-55.7-0.7

Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value2400000.0-33800000.05200000.03500000.0-2100000.0-50500000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.6-20.43.52.3-1.4-31.9

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.43105.1273.545-2.127-32.779.939-7.225-17.207-11.535-19.4545.1665.629151.8370.00.00.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0
Percentage of Revenues1.66.13.42.3-1.5-20.76.0-4.3-10.7-7.4-11.93.33.59.31.20.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.43105.1273.545-2.127-32.779.939-7.225-17.207-11.535-19.4545.1665.62915
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.66.13.42.3-1.5-20.76.0-4.3-10.7-7.4-11.93.33.59.3
Percentage of Revenues us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Income

us-gaap:OtherIncome

us-gaap:OtherIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value5.084.941145.3682.3268.0118.1858.5278.8048.0951.4541.7082.081.1161.4661.1583.3741.5821.4431.5642.995
Percentage of OtherIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.33.09.53.61.65.15.05.15.55.20.91.11.30.70.90.82.91.41.21.32.6

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-3.318-24.069-50.168-25.005-40.263483810-3.328280.9942624-4.786-18.752-77.991116.31812211611
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-2.1-14.6-33.8-16.6-27.830.523.56.3-2.118.20.616.715.1-2.9-12.0-51.29.65.410.317.014.49.9

us-gaap:ProfitLoss us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

jbgs:InvestmentsinUnconsolidatedRealEstateVentures


Profit
Period End2021-06-302021-03-312020-06-302020-03-31
Value33-6.526-35.901-18.165
Percentage of ProfitLoss-1005.327.189.2-37.7
Percentage of Revenues21.6-3.9-24.8-11.5
Percentage of Revenues jbgs:InvestmentsinUnconsolidatedRealEstateVentures69.7-13.5-79.2-26.1

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:ProductOrService

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

jbgs:CorporateReconcilingItemsAndEliminations, us-gaap:Parking


Revenue
Period End2021-06-30
Value0.107
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0
Percentage of Revenues0.1
Percentage of Revenues jbgs:CorporateReconcilingItemsAndEliminations us-gaap:Parking0.0

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

us-gaap:OperatingSegments, us-gaap:Parking, jbgs:CommercialSegment


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value2.9592.690.7726.244
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2765.40.00.00.0
Percentage of Revenues1.91.60.53.9
Percentage of Revenues us-gaap:OperatingSegments us-gaap:Parking jbgs:CommercialSegment0.00.00.00.0

us-gaap:OperatingSegments, us-gaap:Parking, jbgs:Multifamilysegment


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.110.0650.0380.137
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax102.80.00.00.0
Percentage of Revenues0.10.00.00.1
Percentage of Revenues us-gaap:OperatingSegments us-gaap:Parking jbgs:Multifamilysegment0.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

us-gaap:Parking


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value3.1762.7553.10.816.3816.36.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2968.20.00.00.00.00.00.0
Percentage of Revenues2.11.72.10.64.03.84.2
Percentage of Revenues us-gaap:Parking0.00.00.00.00.00.00.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value154165148151144158164167160155163158159163156152118116122123116116
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

jbgs:InvestmentsinUnconsolidatedRealEstateVentures


Revenuesus-gaap:
Period End2021-06-302021-03-312020-06-302020-03-31
Value47484569
Percentage of Revenues31.029.231.344.0
Percentage of Revenues31.029.231.344.0
Percentage of Revenues jbgs:InvestmentsinUnconsolidatedRealEstateVentures100.0100.0100.0100.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value600860196079627764956139598660226007602459976011591460616071601539093660
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312019-12-31
Value162116116242
Percentage of Assets2.71.91.94.1
Percentage of Assets2.71.91.94.1
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsus-gaap:
Period End2021-06-302021-03-31
Value205.7
Percentage of Assets0.30.1
Percentage of Assets0.30.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

jbgs:CorporateReconcilingItemsAndEliminations


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value76977586110051302871942
Percentage of Assets12.812.914.216.020.114.215.7
Percentage of Assets12.812.914.216.020.114.215.7
Percentage of Assets jbgs:CorporateReconcilingItemsAndEliminations100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, jbgs:CommercialSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value346634163430347334943570336135123514369537073612
Percentage of Assets57.756.856.455.353.858.256.158.358.561.361.859.5
Percentage of Assets57.756.856.455.353.858.256.158.358.561.361.859.5
Percentage of Assets us-gaap:OperatingSegments jbgs:CommercialSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, jbgs:Multifamilysegment


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
Value1772182717871798169816971682166316231571152814751435140614341472873
Percentage of Assets29.530.429.428.726.227.628.127.627.026.125.524.524.323.223.624.523.9
Percentage of Assets29.530.429.428.726.227.628.127.627.026.125.524.524.323.223.624.523.9
Percentage of Assets us-gaap:OperatingSegments jbgs:Multifamilysegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

jbgs:InvestmentsinUnconsolidatedRealEstateVentures


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-31
Value253225122517
Percentage of Assets42.241.741.4
Percentage of Assets42.241.741.4
Percentage of Assets jbgs:InvestmentsinUnconsolidatedRealEstateVentures100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value229022892342241625562145198620211990244224512379229524552487237217471538
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets38.138.038.538.539.334.933.233.633.140.540.939.638.840.541.039.444.742.0

us-gaap:Liabilities us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesus-gaap:
Period End2021-06-302021-03-31
Value6.90.585
Percentage of Liabilities0.30.0
Percentage of Assets0.10.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary34.010.3

us-gaap:Liabilities us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

jbgs:InvestmentsinUnconsolidatedRealEstateVentures


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-31
Value128113291319
Percentage of Liabilities56.058.156.3
Percentage of Assets21.322.121.7
Percentage of Assets jbgs:InvestmentsinUnconsolidatedRealEstateVentures50.652.952.4

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value600860196079627764956139598660226007602459976011591460616071601539093660
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

jbgs:InvestmentsinUnconsolidatedRealEstateVentures


Liabilities
Period End2021-06-302021-03-312020-12-31
Value253225122517
Percentage of LiabilitiesAndStockholdersEquity42.241.741.4
Percentage of Assets42.241.741.4
Percentage of Assets jbgs:InvestmentsinUnconsolidatedRealEstateVentures100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value315631683206336934403490338634133442299629873066295029962970307121612121
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets52.552.652.753.753.056.956.656.757.349.749.851.049.949.448.951.155.358.0

us-gaap:StockholdersEquity us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

jbgs:InvestmentsinUnconsolidatedRealEstateVentures


Stockholders
Period End2021-06-302021-03-312020-12-31
Value125111821198
Percentage of StockholdersEquity39.637.337.4
Percentage of Assets20.819.619.7
Percentage of Assets jbgs:InvestmentsinUnconsolidatedRealEstateVentures49.447.147.6

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value2012082254557102951262302803952602532392213163672805029354674
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.33.53.77.310.94.82.13.84.76.64.34.24.03.75.26.17.20.00.80.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value23824826349273131414224329641339938026124833838528455328016
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.04.14.37.811.35.12.44.04.96.96.76.34.44.15.66.47.30.00.90.00.0

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:LicensingAgreements


Indefinite
Period End2021-06-302021-03-31
Value2525
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0100.0
Percentage of Assets0.40.4
Percentage of Assets us-gaap:LicensingAgreements0.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2020-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value4189941041091261432.7393.063
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.71.51.61.81.82.12.40.10.1

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302016-12-31
Value1517182123242931891261433.063
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.40.40.40.50.51.52.12.40.1

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

jbgs:LeaseAssets


Finite
Period End2021-06-302021-03-312020-12-31
Value111315
Percentage of FiniteLivedIntangibleAssetsNet0.00.0100.0
Percentage of Assets0.20.20.3
Percentage of Assets jbgs:LeaseAssets0.00.00.0

us-gaap:AboveMarketLeases


Finite
Period End2020-12-312019-12-31
Value3.2295.063
Percentage of FiniteLivedIntangibleAssetsNet20.721.4
Percentage of Assets0.10.1
Percentage of Assets us-gaap:AboveMarketLeases0.00.0

us-gaap:LeasesAcquiredInPlace


Finite
Period End2020-12-312019-12-31
Value1218
Percentage of FiniteLivedIntangibleAssetsNet79.378.6
Percentage of Assets0.20.3
Percentage of Assets us-gaap:LeasesAcquiredInPlace0.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-31
Value3.3983.473.5426.2866.4266.564193132340.00.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of Assets0.10.10.10.10.10.10.30.50.50.60.00.0

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value282289286302273281253301296297264281273276263288119112
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.74.84.74.84.24.64.25.04.94.94.44.74.64.64.34.83.13.1

us-gaap:OtherAssets us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

jbgs:InvestmentsinUnconsolidatedRealEstateVentures


Other
Period End2021-06-302021-03-312020-12-31
Value270273270
Percentage of OtherAssets95.894.494.4
Percentage of Assets4.54.54.4
Percentage of Assets jbgs:InvestmentsinUnconsolidatedRealEstateVentures10.710.910.7

us-gaap:OtherAssets us-gaap:StatementBusinessSegments

jbgs:ThirdPartyRealEstateServicesSegment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value222425272829313335363840424345
Percentage of OtherAssets8.08.38.98.910.410.612.411.011.812.414.614.315.415.917.3
Percentage of Assets0.40.40.40.40.40.50.50.60.60.60.60.70.70.70.8
Percentage of Assets jbgs:ThirdPartyRealEstateServicesSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Long Term Debt

us-gaap:LongTermDebt us-gaap:CreditFacility, us-gaap:LongtermDebtType

us-gaap:LongTermDebt

jbgs:TrancheA1andA2Loans, us-gaap:LineOfCredit


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value398398397397397297297
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.66.66.56.36.14.85.0
Percentage of Assets jbgs:TrancheA1andA2Loans us-gaap:LineOfCredit0.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:LongtermDebtType

jbgs:InvestmentsinUnconsolidatedRealEstateVentures, us-gaap:Mortgages


Long
Period End2021-06-302021-03-312020-12-31
Value114911901179
Percentage of LongTermDebt288.6299.0296.3
Percentage of Assets19.119.819.4
Percentage of Assets jbgs:InvestmentsinUnconsolidatedRealEstateVentures us-gaap:Mortgages0.00.00.0

us-gaap:LongTermDebt us-gaap:LongtermDebtType

us-gaap:Mortgages


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value159115911593169013121294112513581360183518381769190619212025197713761165
Percentage of LongTermDebt399.5399.8400.5425.0330.1435.3378.70.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets26.526.426.226.920.221.118.822.622.630.530.729.432.231.733.432.935.231.8
Percentage of Assets us-gaap:Mortgages0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value6160000.05995000.02509000.03179000.03553000.04456000.05542000.06250000.05820000.06012000.06878000.06446000.06962000.07404000.08202000.00
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.10.10.00.10.10.10.10.10.10.10.10.10.10.10.10.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value168.730.1670.1790.1910.2030.2010.330.3460.3650.2043.5153.5923.7224.2064.4020.2950.295
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.10.00.00.00.00.00.00.00.00.00.10.10.10.10.10.00.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value2266000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value1202000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value1263000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value1327000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value6259000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.1

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-31
Value9.319.80110111114283435360.00.0
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of Assets0.20.20.20.20.20.20.50.60.60.60.00.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value14
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets0.2

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value4115000.0
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.1

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value315631683206336934403490338634133442299629873066295029962970307121612121
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets52.552.652.753.753.056.956.656.757.349.749.851.049.949.448.951.155.358.0

us-gaap:StockholdersEquity us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

jbgs:InvestmentsinUnconsolidatedRealEstateVentures


Stockholders
Period End2021-06-302021-03-312020-12-31
Value125111821198
Percentage of StockholdersEquity39.637.337.4
Percentage of Assets20.819.619.7
Percentage of Assets jbgs:InvestmentsinUnconsolidatedRealEstateVentures49.447.147.6

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value317331763206336934403491338634143442299729873069295330002974307521622140212120591988
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets52.852.852.753.753.056.956.656.757.349.749.851.149.949.549.051.155.30.058.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value36503631365737213742372336333643364431503155315030353080306330990.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest115.0114.3114.1110.4108.8106.7107.3106.7105.9105.1105.6102.7102.8102.7103.0100.80.0
Percentage of Assets60.860.360.259.357.660.660.760.560.752.352.652.451.350.850.551.50.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value-28.605-30.8-39.979-44.65-47.886-45.941-16.744-25.578-19.156-3.4526.72419141.6120.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.9-1.0-1.2-1.3-1.4-1.3-0.5-0.7-0.6-0.10.20.80.70.50.10.00.0
Percentage of Assets-0.5-0.5-0.7-0.7-0.7-0.7-0.3-0.4-0.3-0.10.10.40.30.20.00.00.0
Percentage of Assets us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value1.3191.3141.3191.3251.3381.3361.3421.3421.3421.2271.211.211.181.181.181.180.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value168.730.1670.1790.1910.2030.2010.330.3460.3650.2043.5153.5923.7224.2064.4020.2950.2950.2950.5150.568
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.50.30.00.00.00.00.00.00.00.00.00.10.10.10.10.10.00.00.00.00.0
Percentage of Assets0.30.10.00.00.00.00.00.00.00.00.00.10.10.10.10.10.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value-466.23-433.675-412.944-307.975-255.162-188.239-231.164-205.192-184.373-151.157-176.018-110.219-105.962-99.999-95.809-28.8270.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-14.7-13.7-12.9-9.1-7.4-5.4-6.8-6.0-5.4-5.0-5.9-3.6-3.6-3.3-3.2-0.90.0
Percentage of Assets-7.8-7.2-6.8-4.9-3.9-3.1-3.9-3.4-3.1-2.5-2.9-1.8-1.8-1.6-1.6-0.50.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value1319000.01314000.01319000.01325000.01338000.01336000.01342000.01342000.01342000.01227000.01210000.01210000.01180000.01180000.01180000.01180000.00
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value36503631365737213742372336333643364431503155315030353080306330990.0
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets60.860.360.259.357.660.660.760.560.752.352.652.451.350.850.551.50.0

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value-466230000.0-433680000.0-412940000.0-307980000.0-255160000.0-188240000.0-231160000.0-205190000.0-184370000.0-151160000.0-176020000.0-110220000.0-105960000.0-99999000.0-95809000.0-28827000.00
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets-7.8-7.2-6.8-4.9-3.9-3.1-3.9-3.4-3.1-2.5-2.9-1.8-1.8-1.6-1.6-0.50.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-28.605-30.8-39.979-44.65-47.886-45.941-16.744-25.578-19.156-3.4526.72419141.612
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.5-0.5-0.7-0.7-0.7-0.7-0.3-0.4-0.3-0.10.10.40.30.20.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value168.730.1670.1790.1910.2030.2010.330.3460.3650.2043.5153.5923.7224.2064.4020.2950.295
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.10.00.00.00.00.00.00.00.00.00.10.10.10.10.10.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value576641424341615934175143583450-49.26533395810
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues36.940.227.728.030.126.537.235.821.711.531.627.236.921.332.5-32.328.034.147.78.5

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-40.93-29.515-109.994-91.042-10.57143-95.234-76.73-112.89644-22.55437144-93.345-95.86144-28.0-28.629-54.702-59.364
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-26.5-17.9-74.0-60.3-7.327.8-57.8-45.9-70.328.5-13.823.790.7-57.3-61.395.1-23.7-24.6-44.8-48.1

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-25.978-51.776-160.549-189.61438385-67.317-36.184-38.662-48.167-9.65537-190.245-31.46512-8.26522312-11.95737
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-16.8-31.3-108.0-125.5264.954.2-40.8-21.7-24.1-31.0-5.923.9-119.3-19.38.0-5.4189.310.5-9.830.7

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-9.854-14.789-229.377-238.32417171-101.204-53.058-116.683131911813-90.149-46.8610122823
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-6.4-8.9-154.3-157.8287.7108.5-61.4-31.8-72.69.011.874.88.3-55.3-30.066.3194.019.9

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value5765655753495047474968474950524532343531
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value576641424341615934175143583450-49.26533395810
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues36.940.227.728.030.126.537.235.821.711.531.627.236.921.332.5-32.328.034.147.78.5

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-2.973-20.731-45.655-22.793-36.7842349.36-3.04240.712220-4.19-13.902-69.831116.318122116
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-1.9-12.5-30.7-15.1-25.427.120.95.6-1.916.00.414.412.9-2.6-8.9-45.89.65.410.317.014.4

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-3.318-24.069-50.168-25.005-40.263483810-3.328280.9942624-4.786-18.752-77.991116.31812211611
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-2.1-14.6-33.8-16.6-27.830.523.56.3-2.118.20.616.715.1-2.9-12.0-51.29.65.410.317.014.49.9

us-gaap:ProfitLoss us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

jbgs:InvestmentsinUnconsolidatedRealEstateVentures


Profit
Period End2021-06-302021-03-312020-06-302020-03-31
Value33-6.526-35.901-18.165
Percentage of ProfitLoss-1005.327.189.2-37.7
Percentage of Revenues21.6-3.9-24.8-11.5
Percentage of Revenues jbgs:InvestmentsinUnconsolidatedRealEstateVentures69.7-13.5-79.2-26.1

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value131312152017171515161212141316150.6030.6911.016
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-40.93-29.515-109.994-91.042-10.57143-95.234-76.73-112.89644-22.55437144-93.345-95.86144-28.0-28.629-54.702-59.364
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-26.5-17.9-74.0-60.3-7.327.8-57.8-45.9-70.328.5-13.823.790.7-57.3-61.395.1-23.7-24.6-44.8-48.1

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-25.978-51.776-160.549-189.61438385-67.317-36.184-38.662-48.167-9.65537-190.245-31.46512-8.26522312-11.95737
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-16.8-31.3-108.0-125.5264.954.2-40.8-21.7-24.1-31.0-5.923.9-119.3-19.38.0-5.4189.310.5-9.830.7

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2929293030303030303927272626
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Dividends

us-gaap:Dividends

us-gaap:Dividends


Dividends
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value29593030603030662726
Percentage of Dividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Dividends us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividendsus-gaap:
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value29593030603030662726
Percentage of Dividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.01930330.01541
Percentage of PaymentsForRepurchaseOfCommonStock0.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-12-31
Value2.55.56.98.202220.0
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.00.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value5700000.02391000.03636000.04190000.0
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value2072000.0523000.0469000.00
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.00.0

jbgs:AllocatedSharebasedCompensationExpenseFormationTransaction

jbgs:AllocatedSharebasedCompensationExpenseFormationTransaction


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value4.4414.9456.2467.1338.8589.441119.5499.523119.1188.3879.0979.42814140.0
Percentage of AllocatedSharebasedCompensationExpenseFormationTransaction100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

jbgs:AmortizationOfAcquiredBelowMarketLeaseNetOfAcquiredAboveMarketLease

jbgs:AmortizationOfAcquiredBelowMarketLeaseNetOfAcquiredAboveMarketLease


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value200000.0458000.086000.096000.097000.0163000.0305000.0214000.0140000.0132000.0162000.0201000.0-239000.096000.0-10000.0185000.0344000.0343000.0341000.0339000.0
Percentage of AmortizationOfAcquiredBelowMarketLeaseNetOfAcquiredAboveMarketLease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:BillRentReceivableReserve

jbgs:BillRentReceivableReserve


Bill
Period End2020-12-312020-09-302020-06-30
Value3.33.23.6
Percentage of BillRentReceivableReserve100.0100.0100.0

jbgs:CommonSharesIssuedDuringPeriodinConnectionwithRedemptionofOPUnits us-gaap:StatementClassOfStock

jbgs:CommonSharesIssuedDuringPeriodinConnectionwithRedemptionofOPUnits

jbgs:OPUnits


Common
Period End2020-12-312020-09-302020-07-312020-06-302020-04-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-30
Value200000.0157060.081069.0155690.081983.0787250.00001700000.03000000.0
Percentage of CommonSharesIssuedDuringPeriodinConnectionwithRedemptionofOPUnits100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0

jbgs:CompletedPotentialIntegratedTransactionCosts

jbgs:CompletedPotentialIntegratedTransactionCosts


Completed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-30
Value1609000.02442000.013000.0260000.021000.0-310000.0535000.09000.0
Percentage of CompletedPotentialIntegratedTransactionCosts100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest

jbgs:ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value235000.0973000.0456000.0309000.0-182000.0-3573000.0-1105000.0803000.01503000.01383000.02022000.0-696000.0-834000.0-1876000.07103000.0000
Percentage of ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

jbgs:ComprehensiveNetLossAttributableToRedeemableNoncontrollingInterest

jbgs:ComprehensiveNetLossAttributableToRedeemableNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-345000.0-2230000.0-4513000.0-2212000.0-3483000.05250000.04302000.01172000.0-288000.03387000.0
Percentage of ComprehensiveNetLossAttributableToRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:ConsolidatedNOI

jbgs:ConsolidatedNOI


Consolidated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value7271516664747877787665818582707970
Percentage of ConsolidatedNOI100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:ConsolidatedNOI us-gaap:ConsolidationItems

jbgs:CorporateReconcilingItemsAndEliminations


Consolidated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1.594-0.802-1.548-0.029-1.971-0.963-0.9390.045-0.0570.017
Percentage of ConsolidatedNOI-2.2-1.1-3.0-0.0-3.1-1.3-1.20.1-0.10.0

jbgs:ConsolidatedNOI us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, jbgs:CommercialSegment


Consolidated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value58574454505762616259
Percentage of ConsolidatedNOI80.580.086.881.177.977.179.479.478.978.0

us-gaap:OperatingSegments, jbgs:Multifamilysegment


Consolidated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value15158.34912161717151616
Percentage of ConsolidatedNOI21.721.116.318.925.224.221.720.621.122.0

jbgs:DeferredStraightLineRentReceivablesReserve

jbgs:DeferredStraightLineRentReceivablesReserve


Deferred
Period End2020-12-312020-09-302020-06-30
Value150.9352.0
Percentage of DeferredStraightLineRentReceivablesReserve100.0100.0100.0

jbgs:DemolitionCosts

jbgs:DemolitionCosts


Demolition
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-30
Value439000.01008000.0503000.0179000.0739000.0503000.01800000.0
Percentage of DemolitionCosts100.0100.0100.0100.0100.0100.0100.0

jbgs:EquityMethodInvestmentSummarizedFinancialInformationOperatingIncomeLoss

jbgs:EquityMethodInvestmentSummarizedFinancialInformationOperatingIncomeLoss


Equity
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
Value2.7791.296-25.232-0.482-2.9931010-0.433326.861124.3740.1653.2376.2135.379
Percentage of EquityMethodInvestmentSummarizedFinancialInformationOperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:FinanceLeaseLiabilityObtainedInExchangeForRightOfUseAsset

jbgs:FinanceLeaseLiabilityObtainedInExchangeForRightOfUseAsset


Finance
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.040
Percentage of FinanceLeaseLiabilityObtainedInExchangeForRightOfUseAsset0.00.00.0100.0

jbgs:GainLossOnDebtExtinguishmentIncludingPrepaymentPenalty

jbgs:GainLossOnDebtExtinguishmentIncludingPrepaymentPenalty


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-29000.000-33000.0-3916000.00
Percentage of GainLossOnDebtExtinguishmentIncludingPrepaymentPenalty100.00.00.0100.0100.00.0

jbgs:GeneralLiabilityInsuranceCoverageLimitPerOccurrence

jbgs:GeneralLiabilityInsuranceCoverageLimitPerOccurrence


General
Period End2021-06-302021-03-312020-12-31
Value0.01500.0
Percentage of GeneralLiabilityInsuranceCoverageLimitPerOccurrence0.0100.00.0

jbgs:LeaseDeferralRequestsDueToUnusualEvent

jbgs:LeaseDeferralRequestsDueToUnusualEvent


Lease
Period End2021-06-302021-03-312020-12-312020-09-30
Value2400000.01900000.01900000.01200000.0
Percentage of LeaseDeferralRequestsDueToUnusualEvent100.0100.0100.0100.0

jbgs:LeaseIncomeGuarantee

jbgs:LeaseIncomeGuarantee


Lease
Period End2020-12-31
Value8200000.0
Percentage of LeaseIncomeGuarantee100.0

jbgs:LesseeEquityContribution us-gaap:ConsolidatedEntities

jbgs:LesseeEquityContribution

us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessee
Period End2021-03-31
Value9700000.0
Percentage of LesseeEquityContribution100.0

jbgs:MinorityInterestIncreaseDecreaseFromContributionsDistributionsToNoncontrollingInterestHolders

jbgs:MinorityInterestIncreaseDecreaseFromContributionsDistributionsToNoncontrollingInterestHolders


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value7.819.671-0.012-0.0120.002-0.016-0.019
Percentage of MinorityInterestIncreaseDecreaseFromContributionsDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0

jbgs:MinorityInterestIncreaseDecreaseFromContributionsDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value7.819.671-0.012-0.0120.002-0.016-0.019
Percentage of MinorityInterestIncreaseDecreaseFromContributionsDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0

jbgs:OtherIncomeExcludingParkingIncome

jbgs:OtherIncomeExcludingParkingIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.9042.1869.9342.2921.5161.631.6872.1962.1141.641.4541.7082.081.116
Percentage of OtherIncomeExcludingParkingIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:PaymentsForDepositsOnRealEstateAndOtherAcquisitions

jbgs:PaymentsForDepositsOnRealEstateAndOtherAcquisitions


Payments
Period End2020-12-312019-12-31
Value0.15-8.275
Percentage of PaymentsForDepositsOnRealEstateAndOtherAcquisitions100.0100.0

jbgs:PaymentsToDevelopRealEstateAssetsConstructionInProgressAndRealEstateAdditions

jbgs:PaymentsToDevelopRealEstateAssetsConstructionInProgressAndRealEstateAdditions


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value3828626474107146113
Percentage of PaymentsToDevelopRealEstateAssetsConstructionInProgressAndRealEstateAdditions100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:PropertyandRentalValueInsuranceCoverageLimit

jbgs:PropertyandRentalValueInsuranceCoverageLimit


Propertyand
Period End2021-06-302021-03-312020-12-31
Value0.015000.0
Percentage of PropertyandRentalValueInsuranceCoverageLimit0.0100.00.0

jbgs:RealEstateVenturePromoteInterestPaid us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

jbgs:RealEstateVenturePromoteInterestPaid

jbgs:PotomacYardMixedUseDevelopment, jbgs:J.p.MorganGlobalAlternatives


Real
Period End2021-06-30
Value17
Percentage of RealEstateVenturePromoteInterestPaid100.0

jbgs:RealEstateVenturePromoteInterestPaid us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:RelatedPartyTransactionsByRelatedParty

jbgs:PotomacYardMixedUseDevelopment, jbgs:J.p.MorganGlobalAlternatives, jbgs:NonEmployeeTrusteesAndCertainExecutives


Real
Period End2021-06-30
Value4.2
Percentage of RealEstateVenturePromoteInterestPaid24.0

jbgs:RealEstateVenturePromoteInterestToBePaidToCertainIndividuals us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsequentEventType

jbgs:RealEstateVenturePromoteInterestToBePaidToCertainIndividuals

jbgs:PotomacYardMixedUseDevelopment, jbgs:UnconsolidatedRealEstateVentures, jbgs:NonEmployeeTrusteesAndCertainExecutives, us-gaap:SubsequentEvent


Real
Period End2021-04-30
Value4.3
Percentage of RealEstateVenturePromoteInterestToBePaidToCertainIndividuals100.0

jbgs:RealEstateVenturePromoteInterestToBePaidToCertainIndividuals us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:SubsequentEventType

jbgs:PotomacYardMixedUseDevelopment, jbgs:UnconsolidatedRealEstateVentures, us-gaap:SubsequentEvent


Real
Period End2021-04-30
Value17
Percentage of RealEstateVenturePromoteInterestToBePaidToCertainIndividuals407.0

jbgs:RecognitionDerecognitionOfLiabilitiesRelatedToOperatingLeaseRightOfUseAssets

jbgs:RecognitionDerecognitionOfLiabilitiesRelatedToOperatingLeaseRightOfUseAssets


Recognition
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.00.0-13.1510.00.00.037
Percentage of RecognitionDerecognitionOfLiabilitiesRelatedToOperatingLeaseRightOfUseAssets0.00.00.0100.00.00.00.0100.0

jbgs:RecognitionDerecognitionOfOperatingLeaseRightOfUseAssets

jbgs:RecognitionDerecognitionOfOperatingLeaseRightOfUseAssets


Recognition
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.00.0-13.1510.00.00.035
Percentage of RecognitionDerecognitionOfOperatingLeaseRightOfUseAssets0.00.00.0100.00.00.00.0100.0

jbgs:ReimbursementRevenuefromThirdParties

jbgs:ReimbursementRevenuefromThirdParties


Reimbursement
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value11131513131312151413
Percentage of ReimbursementRevenuefromThirdParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:RentalRevenue

jbgs:RentalRevenue


Rental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-30
Value125124108121116126134130129125135132130126
Percentage of RentalRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:RentalRevenue us-gaap:ConsolidationItems

jbgs:CorporateReconcilingItemsAndEliminations


Rental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-2.403-0.948-0.588-1.822-1.734-3.621-0.450.339-1.173-5.083
Percentage of RentalRevenue-1.9-0.8-0.5-1.5-1.5-2.9-0.30.3-0.9-4.0

jbgs:RentalRevenue us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, jbgs:CommercialSegment


Rental
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
Value959382938697104100101102106105106111
Percentage of RentalRevenue75.974.675.976.474.376.977.777.578.581.578.579.20.00.0

us-gaap:OperatingSegments, jbgs:Multifamilysegment


Rental
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
Value32322630313230292828282726252524
Percentage of RentalRevenue26.126.124.625.127.226.022.722.322.422.521.420.90.00.019.719.8

jbgs:RevenuefromContractwithCustomerExcludingReimbursements

jbgs:RevenuefromContractwithCustomerExcludingReimbursements


Revenuefrom
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value14241413131516191514
Percentage of RevenuefromContractwithCustomerExcludingReimbursements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:RevenuefromContractwithCustomerExcludingReimbursements us-gaap:ProductOrService

jbgs:AssetManagementFees


Revenuefrom
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.2292.2282.3912.3012.3752.7243.4333.5773.5473.488
Percentage of RevenuefromContractwithCustomerExcludingReimbursements15.09.216.117.318.017.120.618.323.624.5

jbgs:ConstructionManagementFees


Revenuefrom
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.2340.1720.9090.5840.461.0130.20.370.470.629
Percentage of RevenuefromContractwithCustomerExcludingReimbursements1.60.76.14.43.56.31.21.93.14.4

jbgs:DevelopmentFees


Revenuefrom
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4.392143.0222.6143.0482.8124.7436.7832.5331.596
Percentage of RevenuefromContractwithCustomerExcludingReimbursements29.659.020.419.723.017.628.534.716.811.2

jbgs:LeasingFees


Revenuefrom
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.4240.861.9671.0860.7941.7472.0462.0331.0852.213
Percentage of RevenuefromContractwithCustomerExcludingReimbursements9.63.613.38.26.010.912.310.47.215.5

jbgs:OtherServiceRevenue


Revenuefrom
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.791.6981.8032.01.8171.6350.6431.0051.7380.883
Percentage of RevenuefromContractwithCustomerExcludingReimbursements12.17.012.215.113.710.23.95.111.56.2

jbgs:PropertyManagementFees


Revenuefrom
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4.7764.9424.7254.6944.7356.0245.5645.7585.6875.428
Percentage of RevenuefromContractwithCustomerExcludingReimbursements32.220.531.935.335.837.833.529.537.838.1

jbgs:RevenuefromContractwithCustomerIncludingReimbursements

jbgs:RevenuefromContractwithCustomerIncludingReimbursements


Revenuefrom
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value26383026272929342927
Percentage of RevenuefromContractwithCustomerIncludingReimbursements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateFairValue

jbgs:ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateFairValue


Share
Period End2021-01-31
Value24
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateFairValue100.0

jbgs:ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateFairValue us-gaap:AwardType

jbgs:LTIPandTimeBasedLTIPUnits


Share
Period End2021-06-302021-03-31
Value1.919
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateFairValue0.00.0

jbgs:PerformanceBasedLongTermIncentivePartnershipUnitsJuly2021Grants


Share
Period End2021-07-29
Value20
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateFairValue0.0

jbgs:TimeBasedLongTermIncentivePartnershipUnitsJuly2021Grants


Share
Period End2021-07-29
Value19
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateFairValue0.0

us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-31
Value0.09.5
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateFairValue0.00.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-01-31
Value0.755
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateFairValue3.1

jbgs:ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateFairValue us-gaap:TitleOfIndividual, us-gaap:AwardType

jbgs:Trustees, jbgs:LTIPUnits


Share
Period End2021-04-30
Value1.9
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateFairValue0.0

jbgs:SharebasedCompensationArrangementBySharebasedPaymentAwardOtherThanOptionsEarnedPercentage us-gaap:AwardType

jbgs:SharebasedCompensationArrangementBySharebasedPaymentAwardOtherThanOptionsEarnedPercentage

us-gaap:PerformanceShares


Sharebased
Period End2021-01-31
Value100.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOtherThanOptionsEarnedPercentage100.0

jbgs:SharebasedCompensationArrangementBySharebasedPaymentAwardOtherThanOptionsForfeitedPercentage us-gaap:StatementScenario, us-gaap:AwardType, us-gaap:Vesting

jbgs:SharebasedCompensationArrangementBySharebasedPaymentAwardOtherThanOptionsForfeitedPercentage

jbgs:IfPositiveAbsoluteTotalShareholderReturnNotAchieved, us-gaap:PerformanceShares, us-gaap:ShareBasedCompensationAwardTrancheOne


Sharebased
Period End2020-09-30
Value50.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOtherThanOptionsForfeitedPercentage100.0

jbgs:StockIssuedDuringPeriodSharesEmployeeIncentiveCompensationAndEmployeeStockPurchasePlan us-gaap:StatementEquityComponents

jbgs:StockIssuedDuringPeriodSharesEmployeeIncentiveCompensationAndEmployeeStockPurchasePlan

us-gaap:CommonStock


Stock
Period End2021-06-30
Value34000.0
Percentage of StockIssuedDuringPeriodSharesEmployeeIncentiveCompensationAndEmployeeStockPurchasePlan100.0

jbgs:StockIssuedDuringPeriodValueEmployeeIncentiveCompensationAndEmployeeStockPurchasePlan

jbgs:StockIssuedDuringPeriodValueEmployeeIncentiveCompensationAndEmployeeStockPurchasePlan


Stock
Period End2021-06-302021-03-31
Value1090000.0249000.0
Percentage of StockIssuedDuringPeriodValueEmployeeIncentiveCompensationAndEmployeeStockPurchasePlan100.0100.0

jbgs:StockIssuedDuringPeriodValueEmployeeIncentiveCompensationAndEmployeeStockPurchasePlan us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-31
Value1090000.0249000.0
Percentage of StockIssuedDuringPeriodValueEmployeeIncentiveCompensationAndEmployeeStockPurchasePlan100.0100.0

jbgs:TemporaryEquityContributionsDistributions

jbgs:TemporaryEquityContributionsDistributions


Temporary
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-31
Value-3927000.0-1362000.0-8124000.0-3723000.0-3782000.0-7584000.0-3831000.0-3838000.0-9974000.0-4106000.0-4157000.0-3693000.0
Percentage of TemporaryEquityContributionsDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:TemporaryEquityContributionsDistributions us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

jbgs:JBGSmithLP


Temporary
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-31
Value-3927000.0-1362000.0-8124000.0-3723000.0-3782000.0-7655000.0-3831000.0-3838000.0-9974000.0-4106000.0-4657000.0-9113000.0
Percentage of TemporaryEquityContributionsDistributions100.0100.0100.0100.0100.0100.9100.0100.0100.0100.0112.0246.8

jbgs:TemporaryEquityIncreaseDecreaseToRedemptionValue

jbgs:TemporaryEquityIncreaseDecreaseToRedemptionValue


Temporary
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.0941145-12.236-12.673-100.666111.446-20.75162
Percentage of TemporaryEquityIncreaseDecreaseToRedemptionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:TemporaryEquityIncreaseDecreaseToRedemptionValue us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

jbgs:ConsolidatedRealEstateVenture


Temporary
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.6180.0430.1711.776
Percentage of TemporaryEquityIncreaseDecreaseToRedemptionValue-657.40.40.4-14.5

jbgs:JBGSmithLP


Temporary
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.7121145-14.012-12.673-100.666111.446-20.75162
Percentage of TemporaryEquityIncreaseDecreaseToRedemptionValue757.499.699.6114.5100.0100.0100.0100.0100.0100.0

jbgs:TemporaryEquityOtherComprehensiveIncomeLoss

jbgs:TemporaryEquityOtherComprehensiveIncomeLoss


Temporary
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value235000.0973000.0456000.0309000.0-182000.0-3573000.01105000.0-803000.0-1503000.0-1383000.0-2022000.0696000.0834000.01876000.0225000.0
Percentage of TemporaryEquityOtherComprehensiveIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:TemporaryEquityOtherComprehensiveIncomeLoss us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

jbgs:JBGSmithLP


Temporary
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value235000.0973000.0456000.0309000.0-182000.0-3573000.01105000.0-803000.0-1503000.0-1383000.0-2022000.0696000.0834000.01876000.0225000.0
Percentage of TemporaryEquityOtherComprehensiveIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:TemporaryEquityRedemptionsofOPUnits

jbgs:TemporaryEquityRedemptionsofOPUnits


Temporary
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value173.9196.8434.7964.752310.00.0-0.316-57.0010.0-109.2080.00.00.0
Percentage of TemporaryEquityRedemptionsofOPUnits100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.00.00.00.0

jbgs:TemporaryEquityRedemptionsofOPUnits us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

jbgs:JBGSmithLP


Temporary
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value173.9196.8434.7964.752310.00.0-0.316-57.0010.0-109.2080.00.00.0
Percentage of TemporaryEquityRedemptionsofOPUnits100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.00.00.00.0

jbgs:TemporaryEquitySharebasedCompensation

jbgs:TemporaryEquitySharebasedCompensation


Temporary
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value121212142016171415161212141216
Percentage of TemporaryEquitySharebasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:TemporaryEquitySharebasedCompensation us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

jbgs:JBGSmithLP


Temporary
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value121212142016171415161212141216
Percentage of TemporaryEquitySharebasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:TenantRelatedObligations

jbgs:TenantRelatedObligations


Tenant
Period End2021-06-302021-03-31
Value1058
Percentage of TenantRelatedObligations100.0100.0

jbgs:TenantRelatedObligations us-gaap:RealEstateProperties

us-gaap:ConsolidatedProperties


Tenant
Period End2021-06-302021-03-31
Value1054
Percentage of TenantRelatedObligations97.293.8

us-gaap:UnconsolidatedProperties


Tenant
Period End2021-06-302021-03-31
Value0.33.6
Percentage of TenantRelatedObligations2.86.2

jbgs:TerroristActsInsuranceCoverageLimitPerOccurrence

jbgs:TerroristActsInsuranceCoverageLimitPerOccurrence


Terrorist
Period End2021-06-302021-03-312020-12-31
Value0.020000.0
Percentage of TerroristActsInsuranceCoverageLimitPerOccurrence0.0100.00.0

jbgs:ThirdPartyRealEstateServices

jbgs:ThirdPartyRealEstateServices


Third
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value25282828292826292828
Percentage of ThirdPartyRealEstateServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:ThirdPartyRealEstateServicesExpenses

jbgs:ThirdPartyRealEstateServicesExpenses


Third
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value25282828292826292828
Percentage of ThirdPartyRealEstateServicesExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:ThirdPartyRealEstateServicesRevenueLessExpenses

jbgs:ThirdPartyRealEstateServicesRevenueLessExpenses


Third
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.1889.1711.5-1.22-2.0720.9022.2114.7780.777-0.375
Percentage of ThirdPartyRealEstateServicesRevenueLessExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:Transactionandothercosts

jbgs:Transactionandothercosts


Transactionandothercosts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.273.691.1440.8451.3725.309132.0592.9744.895154.1263.7874.221
Percentage of Transactionandothercosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:WriteOffOfFullyDepreciatedAssetsIncludingAssetImpairment

jbgs:WriteOffOfFullyDepreciatedAssetsIncludingAssetImpairment


Write
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value3.265391.405166.2677.11117228.4971829125.765.21331118.4934.4531244
Percentage of WriteOffOfFullyDepreciatedAssetsIncludingAssetImpairment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:AmortizationOfDebtDiscountPremium


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1045000.01047000.01060000.0857000.0779000.0619000.0641000.0698000.0714000.01164000.01160000.01043000.01241000.01217000.01484000.0739000.0376000.0412000.0
Percentage of AmortizationOfDebtDiscountPremium100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfLeaseIncentives

us-gaap:AmortizationOfLeaseIncentives


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1846000.02345000.01459000.01619000.01916000.01609000.01992000.0555000.01732000.02057000.0-240000.0498000.0848000.02300000.01531000.0981000.01345000.0166000.0
Percentage of AmortizationOfLeaseIncentives100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

jbgs:FutureDevelopmentParcelAndOtherAssets


Business
Period End2020-12-31
Value65
Percentage of BusinessCombinationConsiderationTransferred1100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value2.99438-7.904-19.275-6.05176-15.8101474-25.837188.29152-5.18816-3.9195.394-6.355-29.548
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths


Cash
Period End2021-06-302021-03-312020-12-31
Value-100000.0-14900000.00
Percentage of CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths100.0100.00.0

us-gaap:ConversionOfStockAmountConverted1

us-gaap:ConversionOfStockAmountConverted1


Conversion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value173.9196.8434.7964.752310.00.00.31757
Percentage of ConversionOfStockAmountConverted1100.0100.0100.0100.0100.0100.00.00.0100.0100.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:VariableRate

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:Mortgages, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2021-03-31
Value3.0
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LongtermDebtType, us-gaap:VariableRate

jbgs:S.ClarkStreet1225, us-gaap:Mortgages, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2021-07-31
Value1.6
Percentage of DebtInstrumentBasisSpreadOnVariableRate10.0

us-gaap:DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued us-gaap:AwardType

us-gaap:DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued

us-gaap:PerformanceShares


Deferred
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-02-282017-08-01
Value0.00.0110.00.09.39.49.7
Percentage of DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued0.00.0100.00.00.0100.0100.0100.0

us-gaap:DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued us-gaap:TitleOfIndividual, us-gaap:AwardType

srt:Management, jbgs:LTIPUnits


Deferred
Period End2020-09-302020-06-302020-03-31
Value0.00.03.6
Percentage of DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued0.00.032.4

srt:Management, jbgs:TimeBasedLongTermIncentivePartnershipUnits


Deferred
Period End2020-09-302020-06-302020-03-31
Value0.00.014
Percentage of DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued0.00.0132.4

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value566464565248504645486746484951433133353132
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment

us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment


Direct
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value353439373334373532324038
Percentage of DirectCostsOfLeasedAndRentedPropertyOrEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment us-gaap:ConsolidationItems

jbgs:CorporateReconcilingItemsAndEliminations


Direct
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-2.154-1.439-0.356-2.355-0.914-3.747-1.127-0.89-2.5-6.274
Percentage of DirectCostsOfLeasedAndRentedPropertyOrEquipment-6.2-4.1-0.9-6.3-2.7-10.9-3.0-2.5-7.8-19.5

us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, jbgs:CommercialSegment


Direct
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value252326262427292726303229
Percentage of DirectCostsOfLeasedAndRentedPropertyOrEquipment71.769.067.571.171.081.077.576.082.294.780.977.7

us-gaap:OperatingSegments, jbgs:Multifamilysegment


Direct
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1212131310109.5749.498.2047.9678.2558.248
Percentage of DirectCostsOfLeasedAndRentedPropertyOrEquipment34.435.133.435.231.729.925.526.525.524.820.621.5

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value610000.0791000.01196000.01177000.01243000.0968000.0578000.0406000.0799000.0743000.0962000.0873000.0879000.0627000.0306000.0161000.000
Percentage of EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:EquityMethodInvestmentDividendsOrDistributions

us-gaap:EquityMethodInvestmentDividendsOrDistributions


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value4.3965.9520.6051.821.3450.5320.8540.3431.0950.3981.0071.6525.43.7641.4140.5210.5850.0430.50.243
Percentage of EquityMethodInvestmentDividendsOrDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentRealizedGainLossOnDisposal us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentRealizedGainLossOnDisposal

jbgs:Woodglen, jbgs:Landmark


Equity
Period End2020-09-302020-06-30
Value-32.816
Percentage of EquityMethodInvestmentRealizedGainLossOnDisposal100.0100.0

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-5425000.0-6265000.0-35901000.0-18165000.0-12218000.0-3602000.0-1460000.0-15227000.011004000.0-6970000.0-514000.0-4675000.0-7179000.0-5191000.03570000.02424000.0151000.02607000.02298000.0
Percentage of EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationRevenue

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationRevenue


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value41474569666574596376877351461817171617
Percentage of EquityMethodInvestmentSummarizedFinancialInformationRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestExpense


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value428000.0426000.0424000.0464000.0418000.0144000.0230000.0230000.0
Percentage of FinanceLeaseInterestExpense100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeasePrincipalPayments


Finance
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value250000.0250000.0389000.02642000.034000.037000.033000.033000.0
Percentage of FinanceLeasePrincipalPayments100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate


Gains
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value110.00.00.059578.0880.0396.411330.4550.00.00.00.0
Percentage of GainsLossesOnSalesOfInvestmentRealEstate100.00.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate dei:LegalEntity, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

jbgs:LandmarkAndCbreiVenturePartners, jbgs:LandmarkAndCbreiVenture


Gains
Period End2021-06-30
Value38
Percentage of GainsLossesOnSalesOfInvestmentRealEstate337.5

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

jbgs:PotomacYardMixedUseDevelopment, jbgs:J.p.MorganGlobalAlternatives


Gains
Period End2021-04-30
Value11
Percentage of GainsLossesOnSalesOfInvestmentRealEstate0.0

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

jbgs:PickettIndustrialPark, jbgs:CBREIVenture


Gains
Period End2020-10-31
Value0.8
Percentage of GainsLossesOnSalesOfInvestmentRealEstate0.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value3.953-0.943-3.194-0.965-13.485-2.692-2.042-1.144-1.813.60123133.836-1.902-2.778-1.6790.1050.2090.0050.584-0.374
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

jbgs:CBREIVenture


Income
Period End2021-05-31
Value2.1
Percentage of IncomeLossFromEquityMethodInvestments0.0

jbgs:Landmark


Income
Period End2021-05-31
Value3.1
Percentage of IncomeLossFromEquityMethodInvestments0.0

jbgs:LandmarkAndCbreiVenture


Income
Period End2021-05-31
Value5.2
Percentage of IncomeLossFromEquityMethodInvestments0.0

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

jbgs:Woodglen, jbgs:Landmark


Income
Period End2020-09-302020-06-30
Value0.0-3.0
Percentage of IncomeLossFromEquityMethodInvestments-0.022.2

us-gaap:IncreaseDecreaseInAccountsAndNotesReceivable

us-gaap:IncreaseDecreaseInAccountsAndNotesReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-1.368-9.8364.474-5.4415.9884.21-0.6952.8452.0474.1857.7493.71-11.9156.038-1.5198.0890.36-4.8321.5162.311
Percentage of IncreaseDecreaseInAccountsAndNotesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1.08-0.842-0.7752.9834.351-5.9689.49311-9.57-18.943176.338-13.024-17.189-2.91718-3.4753.83411-10.213
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1.841-2.115-0.49111-1.0181.105-4.681104.587-1.647-2.037130.4224.841-9.403184.78910-3.14812
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1609000.0-1577000.0-11567000.0-3351000.0-9531000.0-2865000.0-11211000.05159000.0-4301000.0-7867000.0-7587000.0-9554000.0-2742000.0746000.0-6580000.0-2084000.0-863000.02130000.0-6082000.0-13591000.0
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseDebtExcludingAmortization

us-gaap:InterestExpenseDebtExcludingAmortization


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value161617181816171820222223212324161413
Percentage of InterestExpenseDebtExcludingAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPaidCapitalized

us-gaap:InterestPaidCapitalized


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1.5461.711.6442.9123.3655.2686.5958.2588.0386.9155.9415.6814.6664.516101.3680.4620.4550.3860.929
Percentage of InterestPaidCapitalized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeNet

us-gaap:InvestmentIncomeNet


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-0.0380.009-1.6460.00.1140.9073.022-0.642.0520.9519.9914.0910.5130.5730.422-0.3790.970.7750.70.7490.76
Percentage of InvestmentIncomeNet100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityCommitmentFeePercentage us-gaap:CreditFacility, us-gaap:LongtermDebtType

us-gaap:LineOfCreditFacilityCommitmentFeePercentage

us-gaap:RevolvingCreditFacility, us-gaap:LineOfCredit


Line
Period End2021-06-302021-03-312020-12-31
Value00.150
Percentage of LineOfCreditFacilityCommitmentFeePercentage0.0100.00.0

us-gaap:MinorityInterestChangeInRedemptionValue

us-gaap:MinorityInterestChangeInRedemptionValue


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-0.141-12.309-46.4381112104-12.181-0.64322-60.8297.1965.841-46.56615-33.833
Percentage of MinorityInterestChangeInRedemptionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MinorityInterestChangeInRedemptionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.094-11.336-45.9821212100-11.076-1.44620-62.2125.1746.537-45.73217-33.608
Percentage of MinorityInterestChangeInRedemptionValue-66.792.199.0102.698.696.690.9224.993.2102.371.9111.998.2111.799.3

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.235-0.973-0.456-0.3090.1823.573-1.1050.8031.5031.3832.022-0.696-0.834-1.876
Percentage of MinorityInterestChangeInRedemptionValue166.77.91.0-2.61.43.49.1-124.96.8-2.328.1-11.91.8-11.7

us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest


Net
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0-1108000.00000-148000.00-125000.0-2000.0-3000.0000
Percentage of NetIncomeLossAttributableToNonredeemableNoncontrollingInterest0.0100.00.00.00.00.0100.00.0100.0100.0100.00.00.00.0

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-345000.0-2230000.0-4513000.0-2212000.0-3483000.05250000.04302000.01172000.0-288000.03387000.0178000.03552000.03574000.0-594000.0-4847000.0-8160000.00000
Percentage of NetIncomeLossAttributableToRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-2.973-21.839-45.655-22.793-36.7842389.36-3.04240.9942624-4.192-18.752-77.991116.318
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Net
Period End2021-06-302021-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.0-1.1080.1060.0-0.125-0.002-0.003
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest-0.05.110.70.0-0.50.00.0

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-2.973-20.731-45.655-22.793-36.7842349.36-3.04240.712220-4.19-13.902
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.094.9100.0100.0100.0100.088.9100.0100.0100.071.486.585.6100.074.1

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeaseExpense


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value53535754515255525049
Percentage of OperatingLeaseExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseExpense us-gaap:ConsolidationItems

jbgs:CorporateReconcilingItemsAndEliminations


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.809-0.1460.96-1.7930.237-2.6580.4890.294-1.116-5.1
Percentage of OperatingLeaseExpense-1.5-0.31.7-3.30.5-5.00.90.6-2.2-10.3

us-gaap:OperatingLeaseExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, jbgs:CommercialSegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value37353738364041393942
Percentage of OperatingLeaseExpense69.667.466.270.769.776.575.274.677.787.0

us-gaap:OperatingSegments, jbgs:Multifamilysegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value17171817151513131211
Percentage of OperatingLeaseExpense31.932.932.132.629.828.523.924.824.523.3

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
Value122122104118115120127123122119
Percentage of OperatingLeaseLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncome us-gaap:ConsolidationItems

jbgs:CorporateReconcilingItemsAndEliminations


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-2.51-0.948-0.827-1.822-1.734-3.621-0.450.339-1.173-5.083
Percentage of OperatingLeaseLeaseIncome-2.0-0.8-0.8-1.5-1.5-3.0-0.40.3-1.0-4.3

us-gaap:OperatingLeaseLeaseIncome us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, jbgs:CommercialSegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value92907890859197949496
Percentage of OperatingLeaseLeaseIncome75.474.175.275.974.175.876.676.477.480.6

us-gaap:OperatingSegments, jbgs:Multifamilysegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value32322630313230282828
Percentage of OperatingLeaseLeaseIncome26.626.725.625.727.427.223.723.423.623.7

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
Value11211293109106110116114114113
Percentage of OperatingLeaseLeaseIncomeLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value710000.0610000.0598000.0588000.02619000.01396000.01573000.01561000.01360000.01708000.00000
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

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
Value9.8479.992109.3598.8479.447119.4258.1865.823
Percentage of OperatingLeaseVariableLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-1.4046.4111.352-0.278-5.283-33.9286.244-7.014-16.256-10.696-19.0715.142
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-3834000.0-3741000.0-3775000.0-3823000.0-3156000.0-1158000.0-3695000.0211000.0951000.0839000.0383000.0-24000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherExpenses

us-gaap:OtherExpenses


Other
Period End2020-12-312020-09-302020-06-302020-03-31
Value0004000000.0
Percentage of OtherExpenses0.00.00.0100.0

us-gaap:OtherGeneralAndAdministrativeExpense

us-gaap:OtherGeneralAndAdministrativeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value13129.15611131311111112-4.031121212111011131210
Percentage of OtherGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-1106000.0633000.0-4061000.0-161000.0-220000.0116000.0-497000.0251000.0248000.0-519000.0111000.0-670000.0-688000.0-141000.02538000.0-2058000.0-2743000.0-1665000.0-2644000.01807000.0
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingIncome

us-gaap:OtherOperatingIncome


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4.1873.0760.816.3816.4986.3316.696.455
Percentage of OtherOperatingIncome100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingIncome us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, jbgs:CommercialSegment


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
Value3.873.0020.7726.2446.3816.2376.66.3756.2356.2446.4926.244
Percentage of OtherOperatingIncome92.497.695.397.998.298.598.798.80.00.00.00.0

us-gaap:OperatingSegments, jbgs:Multifamilysegment


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
Value0.0780.0740.0380.1370.1170.0940.090.080.0870.0940.0970.09
Percentage of OtherOperatingIncome1.92.44.72.11.81.51.31.20.00.00.00.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0.04.5870.05.0820.4969.2780.00.02.7420.3720.00.00.601152.8880.0420.0330.033
Percentage of PaymentsOfDebtIssuanceCosts0.0100.00.0100.0100.0100.00.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsMinorityInterest

us-gaap:PaymentsOfDividendsMinorityInterest


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3.9275.7853.6973.7233.7823.8283.8263.833.8395.8954.0784.1064.6574.5574.5560.00.00.0
Percentage of PaymentsOfDividendsMinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition

us-gaap:PaymentsToAcquireBusinessesGross

jbgs:AcquisitionOfOtherParcels


Payments
Period End2020-12-31
Value17
Percentage of PaymentsToAcquireBusinessesGross100.0

jbgs:FormerAmericanaHotelSite


Payments
Period End2020-12-31
Value47
Percentage of PaymentsToAcquireBusinessesGross267.2

us-gaap:PaymentsToAcquireRealEstateAndRealEstateJointVentures

us-gaap:PaymentsToAcquireRealEstateAndRealEstateJointVentures


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value201.0162.3621.5447.173.563112.9161.5582.8518.5346.4964.36611141.4270.00.0143.0620.0
Percentage of PaymentsToAcquireRealEstateAndRealEstateJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0

us-gaap:PaymentsToMinorityShareholders

us-gaap:PaymentsToMinorityShareholders


Payments
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-30
Value23000.0076000.0019000.00-99000.0319000.00120000.04000.014000.0213000.00
Percentage of PaymentsToMinorityShareholders100.00.0100.00.0100.00.0100.0100.00.0100.0100.0100.0100.00.0

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital


Proceeds
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.2470.00.00.01.0026.555120.890.01.356.9290.00.00.0
Percentage of ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital100.00.00.00.0100.0100.0100.0100.00.0100.0100.00.00.00.0

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt


Proceeds
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.00.00.00.00.00.00.02000.0500.0500.00.0
Percentage of ProceedsFromIssuanceOfUnsecuredDebt0.00.00.00.00.00.00.0100.00.0100.00.0100.00.00.0

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromLinesOfCredit


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302017-12-312017-09-30
Value0.00.03002002000.00.00.00.0115
Percentage of ProceedsFromLinesOfCredit0.00.0100.0100.0100.00.00.00.00.0100.0

us-gaap:ProceedsFromMinorityShareholders

us-gaap:ProceedsFromMinorityShareholders


Proceeds
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value7.7819.6830.0820.00.0010.1240.00.250.00.00.2230.0
Percentage of ProceedsFromMinorityShareholders100.0100.0100.00.0100.0100.00.0100.00.00.0100.00.0

us-gaap:ProceedsFromNotesPayable

us-gaap:ProceedsFromNotesPayable


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.0384201752.20.00.00.0742.4792218124222200.0
Percentage of ProceedsFromNotesPayable0.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302017-03-31
Value0.00.00.0154219400.011725542302.1540.00.0
Percentage of ProceedsFromSaleOfRealEstateHeldforinvestment0.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.00.00.0

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment dei:LegalEntity, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

jbgs:Cbrei, jbgs:CBREIVenture


Proceeds
Period End2021-05-31
Value93
Percentage of ProceedsFromSaleOfRealEstateHeldforinvestment0.0

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment dei:LegalEntity, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

jbgs:LandmarkCompany, jbgs:CourthouseMetro, jbgs:Landmark


Proceeds
Period End2021-05-31
Value3.0
Percentage of ProceedsFromSaleOfRealEstateHeldforinvestment0.0

jbgs:LandmarkCompany, jbgs:FishersLane, jbgs:Landmark


Proceeds
Period End2021-05-31
Value6.5
Percentage of ProceedsFromSaleOfRealEstateHeldforinvestment0.0

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment dei:LegalEntity, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

jbgs:Cbrei, jbgs:PickettIndustrialPark, jbgs:CBREIVenture


Proceeds
Period End2020-10-31
Value46
Percentage of ProceedsFromSaleOfRealEstateHeldforinvestment0.0

us-gaap:ProceedsFromStockPlans

us-gaap:ProceedsFromStockPlans


Proceeds
Period End2020-12-312020-09-302019-12-31
Value828000.00710000.0
Percentage of ProceedsFromStockPlans100.00.0100.0

us-gaap:ProceedsFromStockPlans us-gaap:AwardType

us-gaap:EmployeeStock


Proceeds
Period End2020-12-312020-09-30
Value813000.00
Percentage of ProceedsFromStockPlans98.20.0

us-gaap:PropertyManagementFeeRevenue us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:PropertyManagementFeeRevenue

jbgs:InvestmentsinUnconsolidatedRealEstateVentures


Property
Period End2021-06-302021-03-312020-06-302020-03-31
Value5.95.96.36.7
Percentage of PropertyManagementFeeRevenue100.0100.0100.0100.0

us-gaap:PropertyManagementFeeRevenue us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

jbgs:InvestmentsinUnconsolidatedRealEstateVentures


Property
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value6.26.36.36.77.57.27.8
Percentage of PropertyManagementFeeRevenue0.00.0100.0100.00.00.00.0

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ProvisionForDoubtfulAccounts


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.4740.501114.1367.8962.7180.2790.784-1.0711.5680.7091.0261.2110.3541.9921.10.60.0920.133
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateTaxExpense

us-gaap:RealEstateTaxExpense


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value181817171718181618171716171918171515141414
Percentage of RealEstateTaxExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateTaxExpense us-gaap:ConsolidationItems

jbgs:CorporateReconcilingItemsAndEliminations


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.3451.2931.3160.5621.1511.0891.6161.1841.3841.174
Percentage of RealEstateTaxExpense7.27.17.53.26.46.08.97.17.66.8

us-gaap:RealEstateTaxExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, jbgs:CommercialSegment


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1211111212121212121213121214
Percentage of RealEstateTaxExpense65.564.363.269.967.368.070.471.769.772.681.373.869.875.4

us-gaap:OperatingSegments, jbgs:Multifamilysegment


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value5.0655.2455.1454.6564.6944.7383.7783.5524.1433.5483.7193.5063.5573.4982.9672.9522.5282.4931.931.663
Percentage of RealEstateTaxExpense27.328.629.326.826.326.020.721.222.720.621.820.720.317.816.117.216.216.413.711.5

us-gaap:RelatedPartyTransactionAmountsOfTransaction us-gaap:CounterpartyName, us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RelatedPartyTransactionAmountsOfTransaction

jbgs:BMS, jbgs:SupervisoryServicesofProperties, srt:AffiliatedEntity


Related
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
Value4.14.34.34.03.35.35.75.55.45.25.45.46.14.03.73.6
Percentage of RelatedPartyTransactionAmountsOfTransaction100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:UnconsolidatedRealEstateVenture, jbgs:OfficeRent, srt:AffiliatedEntity


Related
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.2710.50000000000000040.4032.41.31.60.8671.3
Percentage of RelatedPartyTransactionAmountsOfTransaction6.311.610.172.724.528.115.824.1

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RepaymentsOfLinesOfCredit


Repayments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302017-12-312017-09-30
Value0.05000.02000.00.00.0350.00.0
Percentage of RepaymentsOfLinesOfCredit0.0100.00.0100.00.00.00.0100.00.00.0

us-gaap:RepaymentsOfLinesOfCredit us-gaap:CreditFacility, us-gaap:LongtermDebtType

us-gaap:RevolvingCreditFacility, us-gaap:LineOfCredit


Repayments
Period End2020-07-31
Value500
Percentage of RepaymentsOfLinesOfCredit0.0

us-gaap:RepaymentsOfNotesPayable

us-gaap:RepaymentsOfNotesPayable


Repayments
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
Value1.1082.234972.2432.2162.2212362.1364773.065459710168801853.3423.347
Percentage of RepaymentsOfNotesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfSecuredDebt dei:LegalEntity, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:RepaymentsOfSecuredDebt

jbgs:Cbrei, jbgs:CBREIVenture


Repayments
Period End2021-05-31
Value45
Percentage of RepaymentsOfSecuredDebt100.0

us-gaap:RepaymentsOfSecuredDebt dei:LegalEntity, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

jbgs:Cbrei, jbgs:PickettIndustrialPark, jbgs:CBREIVenture


Repayments
Period End2020-10-31
Value23
Percentage of RepaymentsOfSecuredDebt0.0

us-gaap:RepaymentsOfSecuredDebt us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

jbgs:WestEnd25


Repayments
Period End2020-12-31
Value94
Percentage of RepaymentsOfSecuredDebt0.0

us-gaap:RepaymentsOfSecuredDebt us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

jbgs:Woodglen, jbgs:Landmark


Repayments
Period End2020-09-302020-06-30
Value0.012
Percentage of RepaymentsOfSecuredDebt0.00.0

us-gaap:RestructuringCharges

us-gaap:RestructuringCharges


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.2220.240.6280.4061.3511.309181.0211.1652.105
Percentage of RestructuringCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromRelatedParties us-gaap:CounterpartyName, us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RevenueFromRelatedParties

jbgs:LegacyJBGFundsandWashingtonHousingInitiative, jbgs:FeesfromLegacyJBGFundsandWashingtonHousingInitiative, srt:AffiliatedEntity


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5.85.85.14.64.78.07.91010.08.4
Percentage of RevenueFromRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:UnconsolidatedRealEstateVenture, jbgs:OfficeRent, srt:AffiliatedEntity


Revenue
Period End2021-06-302020-06-30
Value0.4952.4
Percentage of RevenueFromRelatedParties8.551.1

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability


Right
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.042
Percentage of RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability0.00.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

jbgs:LTIPUnits


Share
Period End2021-01-31
Value29.54
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0

jbgs:PerformanceBasedRestrictedStockUnits


Share
Period End2021-01-31
Value15.14
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue51.3

jbgs:TimeBasedLongTermIncentivePartnershipUnits


Share
Period End2021-01-31
Value29.21
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue98.9

jbgs:TimeBasedRestrictedStockUnits


Share
Period End2021-01-31
Value31.33
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue106.1

us-gaap:PerformanceShares


Share
Period End2021-01-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value15.140018.670019.49
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue51.30.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:TitleOfIndividual, us-gaap:AwardType

srt:Management, jbgs:LTIPUnits


Share
Period End2020-12-312020-09-302020-06-302020-03-31
Value00040.13
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.00.00.00.0

srt:Management, jbgs:TimeBasedLongTermIncentivePartnershipUnits


Share
Period End2020-09-302020-06-302020-03-31
Value0038.52
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue

jbgs:LTIPUnits


Share
Period End2021-01-31
Value4.8
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate

us-gaap:EmployeeStock


Share
Period End2020-09-30
Value1.089
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate100.0

us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-312020-09-302017-08-01
Value02.62.2770.023
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate0.00.0209.10.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

jbgs:TimeBasedLongTermIncentivePartnershipUnits


Share
Period End2021-03-31
Value39.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate100.0

us-gaap:EmployeeStock


Share
Period End2020-09-30
Value12.87
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.0

us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value034.014.8500.15
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.087.20.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate us-gaap:Range, us-gaap:AwardType

srt:Maximum, jbgs:LTIPandTimeBasedLTIPUnits


Share
Period End2020-09-30
Value28.71
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.0

srt:Minimum, jbgs:LTIPandTimeBasedLTIPUnits


Share
Period End2020-09-30
Value17.82
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

jbgs:TimeBasedLongTermIncentivePartnershipUnits


Share
Period End2021-03-31
Value0.1
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate100.0

us-gaap:EmployeeStock


Share
Period End2020-09-30
Value1.683
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0

us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value00.21.28700.013
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0200.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate us-gaap:Range, us-gaap:AwardType

srt:Maximum, jbgs:LTIPandTimeBasedLTIPUnits


Share
Period End2020-09-30
Value1.485
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0

srt:Minimum, jbgs:LTIPandTimeBasedLTIPUnits


Share
Period End2020-09-30
Value0.297
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage us-gaap:AwardType, us-gaap:Vesting

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage

jbgs:PerformanceBasedLongTermIncentivePartnershipUnitsJuly2021Grants, us-gaap:ShareBasedCompensationAwardTrancheOne


Sharebased
Period End2021-07-29
Value0.5
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage100.0

jbgs:PerformanceBasedLongTermIncentivePartnershipUnitsJuly2021Grants, us-gaap:ShareBasedCompensationAwardTrancheThree


Sharebased
Period End2021-07-29
Value0.25
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage50.0

jbgs:PerformanceBasedLongTermIncentivePartnershipUnitsJuly2021Grants, us-gaap:ShareBasedCompensationAwardTrancheTwo


Sharebased
Period End2021-07-29
Value0.25
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage50.0

jbgs:TimeBasedLongTermIncentivePartnershipUnitsJuly2021Grants, us-gaap:ShareBasedCompensationAwardTrancheOne


Sharebased
Period End2021-07-29
Value50.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage10000.0

jbgs:TimeBasedLongTermIncentivePartnershipUnitsJuly2021Grants, us-gaap:ShareBasedCompensationAwardTrancheThree


Sharebased
Period End2021-07-29
Value0.25
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage50.0

jbgs:TimeBasedLongTermIncentivePartnershipUnitsJuly2021Grants, us-gaap:ShareBasedCompensationAwardTrancheTwo


Sharebased
Period End2021-07-29
Value25.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage5000.0

us-gaap:PerformanceShares, us-gaap:ShareBasedCompensationAwardTrancheOne


Sharebased
Period End2021-03-312021-01-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-02-282017-08-01
Value50.050.0049.500.50000.50.50.5
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PerformanceShares, us-gaap:ShareBasedCompensationAwardTrancheTwo


Sharebased
Period End2021-01-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-02-282017-08-01
Value50.0049.500.50000.50.50.5
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage us-gaap:StatementScenario, us-gaap:AwardType, us-gaap:Vesting

jbgs:IfPositiveAbsoluteTotalShareholderReturnAchieved, us-gaap:PerformanceShares, us-gaap:ShareBasedCompensationAwardTrancheTwo


Sharebased
Period End2020-09-30
Value50.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage0.0

jbgs:IfPositiveAbsoluteTotalShareholderReturnNotAchieved, us-gaap:PerformanceShares, us-gaap:ShareBasedCompensationAwardTrancheOne


Sharebased
Period End2020-09-30
Value49.5
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage0.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage us-gaap:TitleOfIndividual, us-gaap:AwardType

srt:Management, jbgs:TimeBasedLongTermIncentivePartnershipUnits


Sharebased
Period End2020-09-302020-06-302020-03-31
Value24.7500.25
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage0.00.00.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1


Sharebased
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
Value141414162218171515161212141316150.6030.691
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1 us-gaap:AwardType

jbgs:FormationAwards


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.7180.7290.7690.8751.3391.2591.6181.2271.229
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost15.05.25.55.46.16.99.18.07.9

jbgs:LTIPUnitsExcludingFormationAwards


Sharebased
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-30
Value1.0910.00.01.10.00.01.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost17.60.00.05.00.00.06.4

jbgs:LTIPUnitsRelatedtoFormationTransactionAndOther


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.0730.0780.0870.0950.1030.1120.1160.1170.115
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost10.50.60.60.60.50.60.70.80.7

jbgs:OPUnits


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value2.1922.7064.0414.785.9776.6418.3356.7476.813
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost115.419.328.729.527.136.246.744.043.9

jbgs:OtherEquityAwards


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value1.4591.4631.1951.691.591.5491.0921.4030.981
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost110.210.48.510.47.28.56.19.26.3

jbgs:ShareBasedCompensationOther


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value9.8259.0827.8189.053138.8896.466.1746.801
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost168.964.755.655.959.848.536.240.343.8

jbgs:ShareBasedCompensationRelatedToFormationTransactionAndSpecialEquityAwards


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value4.4414.9456.2467.1338.8589.441119.5499.523
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost131.135.344.444.140.251.567.062.361.3

jbgs:SpecialPerformanceBasedLTIPUnits


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.7010.6840.6480.6570.6870.6710.9050.6540.64
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost14.94.94.64.13.13.75.14.34.1

jbgs:SpecialTimeBasedLTIPUnits


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.7570.7480.7010.7260.7520.7580.9850.8040.726
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost15.35.35.04.53.44.15.55.24.7

jbgs:TimeBasedLongTermIncentivePartnershipUnits


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value4.1154.383.0153.3644.2883.3512.8572.7552.84
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost128.831.221.420.819.418.316.018.018.3

us-gaap:PerformanceShares


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value3.163.2393.6083.9996.2193.9892.5112.0161.98
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost122.223.125.724.728.221.814.113.212.8

us-gaap:StockIssuedDuringPeriodSharesConversionOfUnits us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesConversionOfUnits

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value530000.0119000.0226000.0169000.0156000.0787000.0007000.01657000.002962000.0
Percentage of StockIssuedDuringPeriodSharesConversionOfUnits100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans

us-gaap:CommonStock


Stock
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-30
Value33000.0035000.021000.0026000.0
Percentage of StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans100.00.0100.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodValueConversionOfUnits

us-gaap:StockIssuedDuringPeriodValueConversionOfUnits


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value173.9196.8434.7964.752310.00.00.316570.0109
Percentage of StockIssuedDuringPeriodValueConversionOfUnits100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodValueConversionOfUnits us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value173.9186.8424.7944.75310.00.00.316570.0109
Percentage of StockIssuedDuringPeriodValueConversionOfUnits100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.0050.0010.0010.0020.0020.0080.00.00.00.0170.00.03
Percentage of StockIssuedDuringPeriodValueConversionOfUnits0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan


Stock
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value922000.0186000.01002000.0132000.0785000.080000.0834000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value921000.0186000.01002000.0132000.0785000.080000.0834000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan99.9100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueIssuedForServices

us-gaap:StockIssuedDuringPeriodValueIssuedForServices


Stock
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
Value797000.04817000.000450000.03616000.000818000.03135000.00000
Percentage of StockIssuedDuringPeriodValueIssuedForServices100.0100.00.00.0100.0100.00.00.0100.0100.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueIssuedForServices us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

jbgs:JBGSmithLP


Stock
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
Value797000.04817000.000450000.03616000.000818000.03135000.00000
Percentage of StockIssuedDuringPeriodValueIssuedForServices100.0100.00.00.0100.0100.00.00.0100.0100.00.00.00.00.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares


Stock
Period End2021-06-302020-12-312020-09-302020-06-302020-03-31
Value0900000.01400000.001400000.0
Percentage of StockRepurchasedAndRetiredDuringPeriodShares0.0100.0100.00.0100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue


Stock
Period End2021-06-302021-03-312021-02-232020-12-312020-09-302020-06-302020-03-31
Value0.0198.125380.041
Percentage of StockRepurchasedAndRetiredDuringPeriodValue0.0100.0100.0100.0100.00.0100.0

us-gaap:StockRepurchasedDuringPeriodShares us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0-620000.0-919000.0-1439000.00-1418000.0
Percentage of StockRepurchasedDuringPeriodShares0.0100.0100.0100.00.0100.0

us-gaap:StockRepurchasedDuringPeriodValue

us-gaap:StockRepurchasedDuringPeriodValue


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312017-12-31
Value0.01925380.015410.0
Percentage of StockRepurchasedDuringPeriodValue0.0100.0100.0100.0100.0100.00.0

us-gaap:StockRepurchasedDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.01925380.01541
Percentage of StockRepurchasedDuringPeriodValue0.0100.0100.0100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.00.0060.0080.0150.00.014
Percentage of StockRepurchasedDuringPeriodValue0.00.00.00.00.00.0

us-gaap:StraightLineRent

us-gaap:StraightLineRent


Straight
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value5.5766.5940.967.3965.1146.61410109.0019.3416.1761.6152.9713.2941.1392.423.0963.7334.7795.311
Percentage of StraightLineRent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TemporaryEquityNetIncome

us-gaap:TemporaryEquityNetIncome


Temporary
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-345000.0-2230000.0-4513000.0-2212000.0-3483000.05250000.04302000.01172000.0-288000.03387000.0178000.03552000.03574000.0-594000.0-4847000.0
Percentage of TemporaryEquityNetIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TemporaryEquityNetIncome us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

jbgs:ConsolidatedRealEstateVenture


Temporary
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-26000.0-33000.0-61000.0-36000.0-40000.0-3000.02000.004000.01000.074000.00-3000.0-2000.0-8000.0
Percentage of TemporaryEquityNetIncome7.51.51.41.61.1-0.10.00.0-1.40.041.60.0-0.10.30.2

jbgs:JBGSmithLP


Temporary
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-319000.0-2197000.0-4452000.0-2176000.0-3443000.05253000.04300000.01172000.0-292000.03386000.0104000.03552000.03577000.0-592000.0-4839000.0
Percentage of TemporaryEquityNetIncome92.598.598.698.498.9100.1100.0100.0101.4100.058.4100.0100.199.799.8

us-gaap:TreasuryStockAcquiredAverageCostPerShare

us-gaap:TreasuryStockAcquiredAverageCostPerShare


Treasury
Period End2021-06-302021-03-312021-02-232020-12-312020-09-302020-06-302020-03-31
Value030.9629.93-0.126.64029.01
Percentage of TreasuryStockAcquiredAverageCostPerShare0.0100.0100.0100.0100.00.0100.0

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic


Undistributed
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-30
Value734000.01371000.0822000.0907000.0815000.0679000.0996000.02072000.0153000.0218000.01655000.000
Percentage of UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:UnrealizedGainLossOnDerivatives

us-gaap:UnrealizedGainLossOnDerivatives


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-46000.0133000.0-11000.0-202000.0-17000.047000.00-2000.00-48000.0-338000.0-300000.0400000.01100000.0833000.0467000.0000
Percentage of UnrealizedGainLossOnDerivatives100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

jbgs:DeferredPurchasePrice

jbgs:DeferredPurchasePrice


Deferred
Period End2021-06-302021-03-312020-12-31
Value191919
Percentage of DeferredPurchasePrice100.0100.0100.0

jbgs:DeferredTaxLiabilitiesIntangibleAssets

jbgs:DeferredTaxLiabilitiesIntangibleAssets


Deferred
Period End2020-12-312019-12-31
Value5887000.07412000.0
Percentage of DeferredTaxLiabilitiesIntangibleAssets100.0100.0

jbgs:DeferredTaxLiabilitiesRealEstate

jbgs:DeferredTaxLiabilitiesRealEstate


Deferred
Period End2020-12-31
Value2164000.0
Percentage of DeferredTaxLiabilitiesRealEstate100.0

jbgs:DividendsPayableCommonShareholders

jbgs:DividendsPayableCommonShareholders


Dividends
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value293039260.00.0
Percentage of DividendsPayableCommonShareholders100.0100.0100.0100.00.00.0

jbgs:DividendsPayableRedeemableNoncontrollingInterest

jbgs:DividendsPayableRedeemableNoncontrollingInterest


Dividends
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value4425000.03828000.05896000.04557000.000
Percentage of DividendsPayableRedeemableNoncontrollingInterest100.0100.0100.0100.00.00.0

jbgs:EquityMethodInvestmentLongTermDebt

jbgs:EquityMethodInvestmentLongTermDebt


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value11861218133312031190117611571139112713891384133511921175304304
Percentage of EquityMethodInvestmentLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:EquityMethodInvestmentLongTermDebtBearingFixedAmount

jbgs:EquityMethodInvestmentLongTermDebtBearingFixedAmount


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value323444566558561548535522665852854782657273
Percentage of EquityMethodInvestmentLongTermDebtBearingFixedAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:EquityMethodInvestmentLongTermDebtBearingVariableAmount

jbgs:EquityMethodInvestmentLongTermDebtBearingVariableAmount


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value86377376764462962762261646153653055353431
Percentage of EquityMethodInvestmentLongTermDebtBearingVariableAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:EquityMethodInvestmentLongTermDebtNet

jbgs:EquityMethodInvestmentLongTermDebtNet


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value11791211132512001187117411551137112513871382133211901174303302
Percentage of EquityMethodInvestmentLongTermDebtNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:EquityMethodInvestmentLongTermDebtNet us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

jbgs:MarriottWardmanParkHotel


Equity
Period End2020-09-30
Value129
Percentage of EquityMethodInvestmentLongTermDebtNet10.7

jbgs:EquityMethodInvestmentLongTermDebtPercentageBearingFixedInterestPercentageRate

jbgs:EquityMethodInvestmentLongTermDebtPercentageBearingFixedInterestPercentageRate


Equity
Period End2020-12-312020-09-30
Value4.013.79
Percentage of EquityMethodInvestmentLongTermDebtPercentageBearingFixedInterestPercentageRate100.0100.0

jbgs:EquityMethodInvestmentLongTermDebtPercentageBearingVariableInterestPercentageRate

jbgs:EquityMethodInvestmentLongTermDebtPercentageBearingVariableInterestPercentageRate


Equity
Period End2020-12-312020-09-30
Value2.522.34
Percentage of EquityMethodInvestmentLongTermDebtPercentageBearingVariableInterestPercentageRate100.0100.0

jbgs:EquityMethodInvestmentOwnershipPercentageAfterFundingOfContributions us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

jbgs:EquityMethodInvestmentOwnershipPercentageAfterFundingOfContributions

jbgs:A1900NStreet, jbgs:CanadianPensionPlanInvestmentBoard


Equity
Period End2020-12-31
Value55.0
Percentage of EquityMethodInvestmentOwnershipPercentageAfterFundingOfContributions100.0

jbgs:EquityMethodInvestmentSummarizedFinancialInformationAssetsOther

jbgs:EquityMethodInvestmentSummarizedFinancialInformationAssetsOther


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value270274287298291192196191169307332286264134
Percentage of EquityMethodInvestmentSummarizedFinancialInformationAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:EquityMethodInvestmentSummarizedFinancialInformationAssetsRealEstateInvestmentPropertyNet

jbgs:EquityMethodInvestmentSummarizedFinancialInformationAssetsRealEstateInvestmentPropertyNet


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2247228724532487249321182086207420502425239723872106463
Percentage of EquityMethodInvestmentSummarizedFinancialInformationAssetsRealEstateInvestmentPropertyNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesOther

jbgs:EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesOther


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value140143159173168138147137941001031037624
Percentage of EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesSecuredDebt

jbgs:EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesSecuredDebt


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value1179121113251200118711741155113711251387138213321190302
Percentage of EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesSecuredDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:EquityMethodInvestmentUnamortizedDeferredFinancingCosts

jbgs:EquityMethodInvestmentUnamortizedDeferredFinancingCosts


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value7479000.07437000.08138000.02525000.02859000.01905000.01945000.01858000.01998000.02555000.02734000.02911000.02000000.0860000.0918000.01034000.0
Percentage of EquityMethodInvestmentUnamortizedDeferredFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:GroundLesseeEquityFunding us-gaap:ConsolidatedEntities

jbgs:GroundLesseeEquityFunding

us-gaap:VariableInterestEntityPrimaryBeneficiary


Ground
Period End2021-06-30
Value17
Percentage of GroundLesseeEquityFunding100.0

jbgs:GroundLesseeEquityFundingObligation us-gaap:ConsolidatedEntities

jbgs:GroundLesseeEquityFundingObligation

us-gaap:VariableInterestEntityPrimaryBeneficiary


Ground
Period End2021-03-31
Value17
Percentage of GroundLesseeEquityFundingObligation100.0

jbgs:IntangibleAssetsAccumulatedAmortization

jbgs:IntangibleAssetsAccumulatedAmortization


Intangible
Period End2020-12-312019-12-312018-12-31
Value201710
Percentage of IntangibleAssetsAccumulatedAmortization100.0100.0100.0

jbgs:IntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:LeaseAgreements


Intangible
Period End2020-12-312019-12-312018-12-31
Value201710
Percentage of IntangibleAssetsAccumulatedAmortization100.099.196.4

jbgs:LeaseAssumptionsLiabilities

jbgs:LeaseAssumptionsLiabilities


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value7.3878.746101113151721222423
Percentage of LeaseAssumptionsLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

jbgs:LeaseGuaranteeReceivables

jbgs:LeaseGuaranteeReceivables


Lease
Period End2020-12-31
Value8200000.0
Percentage of LeaseGuaranteeReceivables100.0

jbgs:ManagementAndLeasingContractsNet

jbgs:ManagementAndLeasingContractsNet


Management
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value2224252631
Percentage of ManagementAndLeasingContractsNet100.0100.0100.0100.0100.0

jbgs:ManagementFeeReceivable

jbgs:ManagementFeeReceivable


Management
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1514128.9542.488
Percentage of ManagementFeeReceivable100.0100.0100.0100.0100.0

jbgs:QualifiedAffordableHousingProjectInvestmentsRemainingCommitment us-gaap:CounterpartyName, us-gaap:RelatedPartyTransactionsByRelatedParty

jbgs:QualifiedAffordableHousingProjectInvestmentsRemainingCommitment

jbgs:WashingtonHousingInitiative, srt:AffiliatedEntity


Qualified
Period End2021-06-30
Value8300000.0
Percentage of QualifiedAffordableHousingProjectInvestmentsRemainingCommitment100.0

jbgs:QualifiedAffordableHousingProjectInvestmentsTotalCapitalCommitments us-gaap:CounterpartyName, us-gaap:RelatedPartyTransactionsByRelatedParty

jbgs:QualifiedAffordableHousingProjectInvestmentsTotalCapitalCommitments

jbgs:WashingtonHousingInitiative, srt:AffiliatedEntity


Qualified
Period End2021-06-302021-03-312020-12-312020-09-30
Value114114114112
Percentage of QualifiedAffordableHousingProjectInvestmentsTotalCapitalCommitments100.0100.0100.0100.0

jbgs:SECSchedule1228RealEstateCompaniesInvestmentinRealEstateFederalIncomeTaxBasisDifference

jbgs:SECSchedule1228RealEstateCompaniesInvestmentinRealEstateFederalIncomeTaxBasisDifference


S
Period End2020-12-312019-12-31
Value16855
Percentage of SECSchedule1228RealEstateCompaniesInvestmentinRealEstateFederalIncomeTaxBasisDifference100.0100.0

srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances

srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances


Real
Period End2020-12-312019-12-312018-12-31
Value200316272144
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances100.0100.0100.0

srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

jbgs:OperatingRealEstate


Real
Period End2020-12-31
Value2003
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances100.0

srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

jbgs:OperatingRealEstate, jbgs:A1221VanStreet


Real
Period End2020-12-31
Value87
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances4.4

jbgs:OperatingRealEstate, jbgs:A1235S.ClarkStreet


Real
Period End2020-12-31
Value78
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances3.9

jbgs:OperatingRealEstate, jbgs:A1730MStreet


Real
Period End2020-12-31
Value47
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances2.4

jbgs:OperatingRealEstate, jbgs:A20012thStreetS.


Real
Period End2020-12-31
Value16
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances0.8

jbgs:OperatingRealEstate, jbgs:A20112thStreetS.


Real
Period End2020-12-31
Value32
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances1.6

jbgs:OperatingRealEstate, jbgs:A2101LStreet


Real
Period End2020-12-31
Value131
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances6.5

jbgs:OperatingRealEstate, jbgs:A2121CrystalDrive


Real
Period End2020-12-31
Value131
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances6.6

jbgs:OperatingRealEstate, jbgs:A22020thStreet


Real
Period End2020-12-31
Value80
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances4.0

jbgs:OperatingRealEstate, jbgs:A25118thStreetS.


Real
Period End2020-12-31
Value34
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances1.7

jbgs:OperatingRealEstate, jbgs:A4747BethesdaAvenueRetail


Real
Period End2020-12-31
Value175
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances8.7

jbgs:OperatingRealEstate, jbgs:A800NorthGlebeRoad


Real
Period End2020-12-31
Value107
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances5.4

jbgs:OperatingRealEstate, jbgs:Bartlett


Real
Period End2020-12-31
Value217
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances10.9

jbgs:OperatingRealEstate, jbgs:CourthousePlaza1and2


Real
Period End2020-12-31
Value1.1
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances0.1

jbgs:OperatingRealEstate, jbgs:FalklandChaseSouthWest


Real
Period End2020-12-31
Value38
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances1.9

jbgs:OperatingRealEstate, jbgs:RTCWest


Real
Period End2020-12-31
Value117
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances5.9

jbgs:OperatingRealEstate, jbgs:RiverHouseApartments


Real
Period End2020-12-31
Value307
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances15.4

jbgs:OperatingRealEstate, us-gaap:Corporation


Real
Period End2020-12-31
Value400
Percentage of RealEstateAndAccumulatedDepreciationAmountOfEncumbrances20.0

us-gaap:AccountsAndNotesReceivableNet

us-gaap:AccountsAndNotesReceivableNet


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value434555475656525351494640375246502833
Percentage of AccountsAndNotesReceivableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value99951031111251241571601401341301471301301381313140
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableGross

us-gaap:AccountsReceivableGross


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-12-31
Value393731303226
Percentage of AccountsReceivableGross100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableRelatedParties us-gaap:CounterpartyName, us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:AccountsReceivableRelatedParties

jbgs:LegacyJBGFundsandWashingtonHousingInitiative, jbgs:FeesfromLegacyJBGFundsandWashingtonHousingInitiative, srt:AffiliatedEntity


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value2800000.07900000.07500000.08100000.08400000.08300000.06200000.06900000.05800000.0
Percentage of AccountsReceivableRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccrualForEnvironmentalLossContingencies

us-gaap:AccrualForEnvironmentalLossContingencies


Accrual
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value18181817171717171717172.9
Percentage of AccrualForEnvironmentalLossContingencies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdvanceRent

us-gaap:AdvanceRent


Advance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value20201925242623251820211519191512139.163
Percentage of AdvanceRent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value737373747373168168168168781372.218958.293
Percentage of AssetsHeldForSaleNotPartOfDisposalGroup100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementGeographical

jbgs:PenPlaceLandParcel, jbgs:ArlingtonVirginia


Assets
Period End2020-09-302020-06-302020-03-312019-12-31
Value74737373
Percentage of AssetsHeldForSaleNotPartOfDisposalGroup100.0100.0100.043.9

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup us-gaap:StatementGeographical, us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

jbgs:ArlingtonVirginia, us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations, jbgs:PenPlaceLandParcel


Assets
Period End2021-06-302021-03-312020-12-312019-12-31
Value73737373
Percentage of AssetsHeldForSaleNotPartOfDisposalGroup100.0100.0100.043.9

us-gaap:BelowMarketLeaseAccumulatedAmortization

us-gaap:BelowMarketLeaseAccumulatedAmortization


Below
Period End2020-12-312019-12-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value22262626252527262624
Percentage of BelowMarketLeaseAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BelowMarketLeaseAmortizationIncomeAfterYearFive

us-gaap:BelowMarketLeaseAmortizationIncomeAfterYearFive


Below
Period End2020-12-31
Value1942000.0
Percentage of BelowMarketLeaseAmortizationIncomeAfterYearFive100.0

us-gaap:BelowMarketLeaseAmortizationIncomeNextTwelveMonths

us-gaap:BelowMarketLeaseAmortizationIncomeNextTwelveMonths


Below
Period End2020-12-31
Value1807000.0
Percentage of BelowMarketLeaseAmortizationIncomeNextTwelveMonths100.0

us-gaap:BelowMarketLeaseAmortizationIncomeYearFive

us-gaap:BelowMarketLeaseAmortizationIncomeYearFive


Below
Period End2020-12-31
Value1221000.0
Percentage of BelowMarketLeaseAmortizationIncomeYearFive100.0

us-gaap:BelowMarketLeaseAmortizationIncomeYearFour

us-gaap:BelowMarketLeaseAmortizationIncomeYearFour


Below
Period End2020-12-31
Value1762000.0
Percentage of BelowMarketLeaseAmortizationIncomeYearFour100.0

us-gaap:BelowMarketLeaseAmortizationIncomeYearThree

us-gaap:BelowMarketLeaseAmortizationIncomeYearThree


Below
Period End2020-12-31
Value1780000.0
Percentage of BelowMarketLeaseAmortizationIncomeYearThree100.0

us-gaap:BelowMarketLeaseAmortizationIncomeYearTwo

us-gaap:BelowMarketLeaseAmortizationIncomeYearTwo


Below
Period End2020-12-31
Value1788000.0
Percentage of BelowMarketLeaseAmortizationIncomeYearTwo100.0

us-gaap:BelowMarketLeaseGross

us-gaap:BelowMarketLeaseGross


Below
Period End2020-12-312019-12-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value33384040404144444436
Percentage of BelowMarketLeaseGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BelowMarketLeaseNet

us-gaap:BelowMarketLeaseNet


Below
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value9.0129.52610101111121212131414161617181011
Percentage of BelowMarketLeaseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionCostOfAcquiredEntityTransactionCosts us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionCostOfAcquiredEntityTransactionCosts

jbgs:FutureDevelopmentParcelAndOtherAssets


Business
Period End2020-12-31
Value0.688
Percentage of BusinessAcquisitionCostOfAcquiredEntityTransactionCosts100.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationContingentConsiderationLiability

jbgs:FormerAmericanaHotelSite


Business
Period End2020-12-31
Value20
Percentage of BusinessCombinationContingentConsiderationLiability100.0

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance us-gaap:PlanName

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance

jbgs:OmnibusSharePlan2017


Common
Period End2021-04-30
Value8000000.0
Percentage of CommonStockCapitalSharesReservedForFutureIssuance100.0

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2020-12-312019-12-312018-12-312017-12-31
Value2003162721442201
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:CreditFacility, us-gaap:LongtermDebtType

jbgs:TrancheA1TermLoanCreditFacility, us-gaap:LineOfCredit


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value20020020020020010010010010010010010010010050
Percentage of DebtInstrumentCarryingAmount0.00.010.00.00.00.06.10.00.00.04.70.00.00.02.3

jbgs:TrancheA1andA2Loans, us-gaap:LineOfCredit


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value400400400400400300300
Percentage of DebtInstrumentCarryingAmount0.00.020.00.00.00.018.4

jbgs:TrancheA2TermLoanCreditFacility, us-gaap:LineOfCredit


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value2002002002002002002002002002002002000.0
Percentage of DebtInstrumentCarryingAmount0.00.010.00.00.00.012.30.00.00.09.30.00.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:LongtermDebtType

jbgs:InvestmentsinUnconsolidatedRealEstateVentures, us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-31
Value115611971186
Percentage of DebtInstrumentCarryingAmount0.00.059.2

us-gaap:DebtInstrumentCarryingAmount us-gaap:LongtermDebtType

us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value160016011603170113181300112713611363184118441773191019292035198813801167
Percentage of DebtInstrumentCarryingAmount0.00.080.00.00.00.069.30.00.00.086.00.00.00.092.50.00.00.0

us-gaap:DebtInstrumentCollateralAmount us-gaap:LongtermDebtType

us-gaap:DebtInstrumentCollateralAmount

us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value17001800180020001600160014001800180023002300
Percentage of DebtInstrumentCollateralAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFaceAmount us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument

us-gaap:DebtInstrumentFaceAmount

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:Mortgages


Debt
Period End2021-03-31
Value227
Percentage of DebtInstrumentFaceAmount100.0

us-gaap:DebtInstrumentFaceAmount us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

jbgs:Bartlett1221VanStreetAnd22020thStreet


Debt
Period End2020-07-31
Value385
Percentage of DebtInstrumentFaceAmount0.0

us-gaap:DebtInstrumentFaceAmount us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:LongtermDebtType

jbgs:S.ClarkStreet1225, us-gaap:Mortgages


Debt
Period End2021-07-31
Value85
Percentage of DebtInstrumentFaceAmount0.0

us-gaap:DebtInstrumentFairValue us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument

us-gaap:DebtInstrumentFairValue

us-gaap:CarryingReportedAmountFairValueDisclosure, jbgs:TrancheA1andA2Loans


Debt
Period End2020-09-302020-06-302019-12-31
Value400400300
Percentage of DebtInstrumentFairValue100.0100.0100.0

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value160016011603170113181300112713611363184118441773191019292035198813801167
Percentage of DebtInstrumentFairValue0.00.00.0425.3329.60.0375.90.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:UnsecuredDebt


Debt
Period End2021-06-302021-03-312020-12-312019-12-31
Value400400400300
Percentage of DebtInstrumentFairValue0.00.00.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure, jbgs:TrancheA1andA2Loans


Debt
Period End2020-09-302020-06-302019-12-31
Value389395300
Percentage of DebtInstrumentFairValue97.498.8100.2

us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value164916141606169913381223116214041402187318701785192119442060201514111192
Percentage of DebtInstrumentFairValue0.00.00.0424.8334.60.0387.60.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:UnsecuredDebt


Debt
Period End2021-06-302021-03-312020-12-312019-12-31
Value400400399300
Percentage of DebtInstrumentFairValue0.00.00.0100.2

us-gaap:DebtInstrumentInterestRateEffectivePercentage us-gaap:CreditFacility, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentInterestRateEffectivePercentage

jbgs:TrancheA1TermLoanCreditFacility, us-gaap:LineOfCredit


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value2.592.592.592.590.02340.0332
Percentage of DebtInstrumentInterestRateEffectivePercentage100.0100.0100.0100.0100.0100.0

jbgs:TrancheA2TermLoanCreditFacility, us-gaap:LineOfCredit


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value2.492.492.492.490.02490.0249
Percentage of DebtInstrumentInterestRateEffectivePercentage96.196.196.196.1106.475.0

us-gaap:RevolvingCreditFacility, us-gaap:LineOfCredit


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value1.151.161.191.20.01210.0204
Percentage of DebtInstrumentInterestRateEffectivePercentage44.444.845.946.351.761.4

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet us-gaap:CreditFacility, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

jbgs:TrancheA1andA2Loans, us-gaap:LineOfCredit


Debt
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value1.6781.8492.0212.1922.705
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:LongtermDebtType

jbgs:InvestmentsinUnconsolidatedRealEstateVentures, us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-31
Value6.656.7667.479
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet396.3365.9370.1

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet us-gaap:LongtermDebtType

us-gaap:Mortgages


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value9.3839.75210106.0445.822.0713.2693.515.7446.2714.0414.3248.64510104.8512.604
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet559.2527.4501.3481.20.00.076.60.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DebtIssuanceCostsLineOfCreditArrangementsNet

us-gaap:DebtIssuanceCostsLineOfCreditArrangementsNet


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value9.971106.6567.0757.4947.9193.0713.3923.8814.3164.8065.2925.7816.1856.6540.0
Percentage of DebtIssuanceCostsLineOfCreditArrangementsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DebtIssuanceCostsLineOfCreditArrangementsNet us-gaap:BalanceSheetLocation, us-gaap:CreditFacility, us-gaap:LongtermDebtType

us-gaap:OtherAssets, us-gaap:RevolvingCreditFacility, us-gaap:LineOfCredit


Debt
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value5.86.26.77.13.1
Percentage of DebtIssuanceCostsLineOfCreditArrangementsNet58.257.3100.7100.4100.9

us-gaap:DebtWeightedAverageInterestRate us-gaap:CreditFacility, us-gaap:DerivativeInstrumentRisk, us-gaap:LongtermDebtType

us-gaap:DebtWeightedAverageInterestRate

jbgs:TrancheA1TermLoanCreditFacility, us-gaap:InterestRateSwap, us-gaap:LineOfCredit


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value1.391.391.391.390.0114
Percentage of DebtWeightedAverageInterestRate100.0100.0100.0100.0100.0

jbgs:TrancheA2TermLoanCreditFacility, us-gaap:InterestRateSwap, us-gaap:LineOfCredit


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value1.341.341.341.340.0134
Percentage of DebtWeightedAverageInterestRate96.496.496.496.4117.5

us-gaap:DeferredCostsLeasingAccumulatedAmortization

us-gaap:DeferredCostsLeasingAccumulatedAmortization


Deferred
Period End2020-12-312019-12-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value8579747272716967666357
Percentage of DeferredCostsLeasingAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCostsLeasingGross

us-gaap:DeferredCostsLeasingGross


Deferred
Period End2020-12-312019-12-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value202205210202189190186171168166157
Percentage of DeferredCostsLeasingGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCostsLeasingNet

us-gaap:DeferredCostsLeasingNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value11912111711912312512614314113612911711811710310110399
Percentage of DeferredCostsLeasingNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsNet us-gaap:BalanceSheetLocation, us-gaap:LongtermDebtType

us-gaap:DeferredFinanceCostsNet

us-gaap:OtherAssets, us-gaap:Mortgages


Deferred
Period End2021-06-302021-03-31
Value4200000.04600000.0
Percentage of DeferredFinanceCostsNet100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value8.2097.93310120.0
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.00.0

us-gaap:DeferredRentReceivablesNet

us-gaap:DeferredRentReceivablesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value182177170184177174169172162152143137144148146145143136
Percentage of DeferredRentReceivablesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsCapitalLossCarryforwards

us-gaap:DeferredTaxAssetsCapitalLossCarryforwards


Deferred
Period End2020-12-31
Value1283000.0
Percentage of DeferredTaxAssetsCapitalLossCarryforwards100.0

us-gaap:DeferredTaxAssetsCharitableContributionCarryforwards

us-gaap:DeferredTaxAssetsCharitableContributionCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-31
Value1533000.0435000.00
Percentage of DeferredTaxAssetsCharitableContributionCarryforwards100.0100.00.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value7772000.02914000.04105000.04190000.00
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.00.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2770000.0915000.02326000.01710000.00
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.00.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value1921000.0721000.001675000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation100.0100.00.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value265000.0217000.0198000.0805000.00
Percentage of DeferredTaxAssetsTaxDeferredExpenseOther100.0100.0100.0100.00.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value158000.0521000.0609000.0552000.00
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.00.0

us-gaap:DepositAssets

us-gaap:DepositAssets


Deposit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2.9043.48828283.5953.213.211211113.6333.5924.026.0836.3170.1
Percentage of DepositAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssets us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:HedgingDesignation

us-gaap:DerivativeAssets

us-gaap:OtherAssets, us-gaap:InterestRateContract, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value0.1210.1670.0350.0470.046
Percentage of DerivativeAssets100.0100.0100.0100.0100.0

us-gaap:DerivativeAssets us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency, us-gaap:HedgingDesignation

us-gaap:OtherAssets, us-gaap:InterestRateContract, us-gaap:FairValueMeasurementsRecurring, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value0.1210.1670.0350.0470.046
Percentage of DerivativeAssets100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentsInHedgesLiabilitiesAtFairValue

us-gaap:DerivativeInstrumentsInHedgesLiabilitiesAtFairValue


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value3134444952501727201.723
Percentage of DerivativeInstrumentsInHedgesLiabilitiesAtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilities us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:HedgingDesignation

us-gaap:DerivativeLiabilities

us-gaap:OtherLiabilities, us-gaap:InterestRateContract, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value313444495217
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilities us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency, us-gaap:HedgingDesignation

us-gaap:OtherLiabilities, us-gaap:InterestRateContract, us-gaap:FairValueMeasurementsRecurring, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value313444495217
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeNotionalAmount us-gaap:CreditFacility, us-gaap:DerivativeInstrumentRisk, us-gaap:LongtermDebtType

us-gaap:DerivativeNotionalAmount

jbgs:TrancheA1TermLoanCreditFacility, us-gaap:InterestRateSwap, us-gaap:LineOfCredit


Derivative
Period End2020-12-312020-09-302020-06-302019-12-31
Value200200100100
Percentage of DerivativeNotionalAmount100.0100.0100.0100.0

jbgs:TrancheA2TermLoanCreditFacility, us-gaap:InterestRateSwap, us-gaap:LineOfCredit


Derivative
Period End2020-12-312020-09-302020-06-302019-12-31
Value200200200137
Percentage of DerivativeNotionalAmount100.0100.0200.0137.6

us-gaap:DerivativeNotionalAmount us-gaap:DerivativeInstrumentRisk, us-gaap:LongtermDebtType

us-gaap:InterestRateContract, us-gaap:Mortgages


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value1300130013001300945867
Percentage of DerivativeNotionalAmount0.00.0650.0650.0945.4867.6

us-gaap:DevelopmentInProcess

us-gaap:DevelopmentInProcess


Development
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value273285268400563585654763859751697649595568978906212151
Percentage of DevelopmentInProcess100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPayableCurrentAndNoncurrent

us-gaap:DividendsPayableCurrentAndNoncurrent


Dividends
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value34340.00.00.0450.00.00.0310.0
Percentage of DividendsPayableCurrentAndNoncurrent100.0100.00.00.00.0100.00.00.00.0100.00.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions


Employee
Period End2021-06-302021-03-312020-12-312020-09-30
Value45574659
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity

us-gaap:EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity


Equity
Period End2021-06-302021-03-312020-12-312019-12-31
Value20191814
Percentage of EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentOwnershipPercentage dei:LegalEntity, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentOwnershipPercentage

jbgs:CanadianPensionPlanInvestmentBoardEntity, jbgs:A1900NStreet, jbgs:CanadianPensionPlanInvestmentBoard


Equity
Period End2020-12-31
Value45.0
Percentage of EquityMethodInvestmentOwnershipPercentage100.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

jbgs:J.p.MorganGlobalAlternatives


Equity
Period End2021-06-30
Value50.0
Percentage of EquityMethodInvestmentOwnershipPercentage0.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:Range, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

srt:Maximum, jbgs:CBREIVenture


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value64.064.00.640.640.640.640.640.640.640.64
Percentage of EquityMethodInvestmentOwnershipPercentage142.20.00.00.00.00.00.00.00.00.0

srt:Maximum, jbgs:Landmark


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value49.049.00.490.490.490.490.490.490.490.49
Percentage of EquityMethodInvestmentOwnershipPercentage108.90.00.00.00.00.00.00.00.00.0

srt:Minimum, jbgs:CBREIVenture


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value5.05.00.050.050.050.050.050.050.050.05
Percentage of EquityMethodInvestmentOwnershipPercentage11.10.00.00.00.00.00.00.00.00.0

srt:Minimum, jbgs:Landmark


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1.81.80.0180.0180.0180.0180.0180.0180.0180.018
Percentage of EquityMethodInvestmentOwnershipPercentage4.00.00.00.00.00.00.00.00.00.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

jbgs:PotomacYardMixedUseDevelopment, jbgs:J.p.MorganGlobalAlternatives


Equity
Period End2021-04-30
Value50.0
Percentage of EquityMethodInvestmentOwnershipPercentage0.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:SubsequentEventType

jbgs:PotomacYardMixedUseDevelopment, jbgs:UnconsolidatedRealEstateVentures, us-gaap:SubsequentEvent


Equity
Period End2021-04-30
Value50.0
Percentage of EquityMethodInvestmentOwnershipPercentage0.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

jbgs:BerkshireGroup


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value50.050.00.50.50.50.50.50.50.50.50.50.50.50.5
Percentage of EquityMethodInvestmentOwnershipPercentage111.10.00.00.00.00.00.00.00.00.00.00.00.00.0

jbgs:Brandywine


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value30.030.00.30.30.30.30.30.30.30.30.30.30.30.3
Percentage of EquityMethodInvestmentOwnershipPercentage66.70.00.00.00.00.00.00.00.00.00.00.00.00.0

jbgs:CanadianPensionPlanInvestmentBoard


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302017-12-312017-09-30
Value55.055.00.550.550.550.550.550.55
Percentage of EquityMethodInvestmentOwnershipPercentage122.20.00.00.00.00.00.00.0

jbgs:PacificLifeInsuranceCompany


Equity
Period End2020-09-30
Value20.0
Percentage of EquityMethodInvestmentOwnershipPercentage0.0

jbgs:PrudentialGlobalInvestmentManagementPGIM


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value50.050.00.50.50.5
Percentage of EquityMethodInvestmentOwnershipPercentage111.10.00.00.00.0

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationAssets

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationAssets


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value25172562274127862785231022832265222027322730267323713446606598
Percentage of EquityMethodInvestmentSummarizedFinancialInformationAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value11981206125614121428997980990100012451244123811042192271270
Percentage of EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationLiabilities

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationLiabilities


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value13191355148413741356131313021275122014871485143512661253334327
Percentage of EquityMethodInvestmentSummarizedFinancialInformationLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2517256227412786278523102283226522202732273026732371598
Percentage of EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302018-12-31
Value404040400.0151515
Percentage of FinanceLeaseLiability100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDue


Finance
Period End2020-12-31
Value304
Percentage of FinanceLeaseLiabilityPaymentsDue100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive


Finance
Period End2020-12-31
Value298
Percentage of FinanceLeaseLiabilityPaymentsDueAfterYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths


Finance
Period End2020-12-31
Value1020000.0
Percentage of FinanceLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive


Finance
Period End2020-12-31
Value1104000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour


Finance
Period End2020-12-31
Value1082000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFour100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree


Finance
Period End2020-12-31
Value1061000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearThree100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo


Finance
Period End2020-12-31
Value1040000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo100.0

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount


Finance
Period End2020-12-31
Value263
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount100.0

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseRightOfUseAsset


Finance
Period End2021-06-302021-03-312020-12-312020-09-30
Value41414142
Percentage of FinanceLeaseRightOfUseAsset100.0100.0100.0100.0

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent


Finance
Period End2020-12-31
Value4.2
Percentage of FinanceLeaseWeightedAverageDiscountRatePercent100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-12-31
Value191826261912
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:AboveMarketLeases


Finite
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-12-31
Value4.2863.5722.4051.61.0820.612
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization22.219.09.26.15.54.7

us-gaap:LeasesAcquiredInPlace


Finite
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-12-31
Value151511201510
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization77.881.044.475.777.884.2

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive


Finite
Period End2020-12-31
Value3524000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2020-12-31
Value9690000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-31
Value3571000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2020-12-31
Value7841000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2020-12-31
Value8199000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2020-12-31
Value8662000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-12-31
Value344211615216215
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:AboveMarketLeases


Finite
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-12-31
Value7.5158.6359.41412120.773
Percentage of FiniteLivedIntangibleAssetsGross21.520.38.17.97.74.8

us-gaap:LeasesAcquiredInPlace


Finite
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-12-31
Value273338727212
Percentage of FiniteLivedIntangibleAssetsGross78.579.732.947.144.480.0

us-gaap:GuaranteeObligationsMaximumExposure us-gaap:RealEstateProperties

us-gaap:GuaranteeObligationsMaximumExposure

us-gaap:ConsolidatedProperties


Guarantee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value8.38.38.38.38.38.38.38.38.38.369618091
Percentage of GuaranteeObligationsMaximumExposure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncentiveFromLessor

us-gaap:IncentiveFromLessor


Incentive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value141513151719202624179.317
Percentage of IncentiveFromLessor100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:IntangibleAssetsGrossExcludingGoodwill


Intangible
Period End2020-12-312019-12-312018-12-31
Value636666
Percentage of IntangibleAssetsGrossExcludingGoodwill100.0100.0100.0

us-gaap:IntangibleAssetsGrossExcludingGoodwill us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:LeaseAgreements


Intangible
Period End2020-12-312019-12-312018-12-31
Value454848
Percentage of IntangibleAssetsGrossExcludingGoodwill72.473.973.9

us-gaap:OtherIntangibleAssets


Intangible
Period End2020-12-312019-12-312018-12-31
Value0.410.1660.166
Percentage of IntangibleAssetsGrossExcludingGoodwill0.60.30.3

us-gaap:InvestmentBuildingAndBuildingImprovements

us-gaap:InvestmentBuildingAndBuildingImprovements


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value435543094341422540653985388038243717371737223678383238803670366230283064
Percentage of InvestmentBuildingAndBuildingImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LandAndLandImprovements

us-gaap:LandAndLandImprovements


Land
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value1357138413911314128512811240128312271227137113661444146913681272930939
Percentage of LandAndLandImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value2550000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears


Lessor
Period End2020-12-31
Value197
Percentage of LessorOperatingLeasePaymentsToBeReceivedFiveYears100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears


Lessor
Period End2020-12-31
Value237
Percentage of LessorOperatingLeasePaymentsToBeReceivedFourYears100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths


Lessor
Period End2020-12-31
Value389
Percentage of LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter


Lessor
Period End2020-12-31
Value946
Percentage of LessorOperatingLeasePaymentsToBeReceivedThereafter100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears


Lessor
Period End2020-12-31
Value271
Percentage of LessorOperatingLeasePaymentsToBeReceivedThreeYears100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears


Lessor
Period End2020-12-31
Value318
Percentage of LessorOperatingLeasePaymentsToBeReceivedTwoYears100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:CreditFacility, us-gaap:LongtermDebtType

us-gaap:LettersOfCreditOutstandingAmount

us-gaap:RevolvingCreditFacility, us-gaap:LineOfCredit


Letters
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1500000.01500000.01500000.01500000.01500000.01500000.01500000.02400000.05800000.05800000.05700000.05700000.05700000.05700000.05700000.0
Percentage of LettersOfCreditOutstandingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation us-gaap:StatementGeographical, us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation

jbgs:ArlingtonVirginia, us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations, jbgs:PenPlaceLandParcel


Liabilities
Period End2021-03-31
Value213000.0
Percentage of LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive


Long
Period End2020-12-31
Value630
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths


Long
Period End2020-12-31
Value5611000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive


Long
Period End2020-12-31
Value558
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2020-12-31
Value322
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2020-12-31
Value373
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2020-12-31
Value112
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0

us-gaap:LongTermDebtPercentageBearingFixedInterestRate us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:LongtermDebtType

us-gaap:LongTermDebtPercentageBearingFixedInterestRate

jbgs:InvestmentsinUnconsolidatedRealEstateVentures, us-gaap:Mortgages


Long
Period End2021-06-302021-03-31
Value4.154.03
Percentage of LongTermDebtPercentageBearingFixedInterestRate100.0100.0

us-gaap:LongTermDebtPercentageBearingFixedInterestRate us-gaap:LongtermDebtType

us-gaap:Mortgages


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value4.324.324.324.37
Percentage of LongTermDebtPercentageBearingFixedInterestRate104.1107.20.00.0

us-gaap:LongTermDebtPercentageBearingVariableInterestRate us-gaap:LongtermDebtType

us-gaap:LongTermDebtPercentageBearingVariableInterestRate

us-gaap:Mortgages


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value2.142.152.182.18
Percentage of LongTermDebtPercentageBearingVariableInterestRate100.0100.0100.0100.0

us-gaap:LongtermDebtPercentageBearingFixedInterestAmount us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:LongtermDebtType

us-gaap:LongtermDebtPercentageBearingFixedInterestAmount

jbgs:InvestmentsinUnconsolidatedRealEstateVentures, us-gaap:Mortgages


Longterm
Period End2021-06-302021-03-312020-12-31
Value290331323
Percentage of LongtermDebtPercentageBearingFixedInterestAmount100.0100.0100.0

us-gaap:LongtermDebtPercentageBearingFixedInterestAmount us-gaap:LongtermDebtType

us-gaap:Mortgages


Longterm
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value923924925102110241123112513471349142515351590164415471537836613620
Percentage of LongtermDebtPercentageBearingFixedInterestAmount317.9278.6286.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongtermDebtPercentageBearingVariableInterestAmount us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:LongtermDebtType

us-gaap:LongtermDebtPercentageBearingVariableInterestAmount

jbgs:InvestmentsinUnconsolidatedRealEstateVentures, us-gaap:Mortgages


Longterm
Period End2021-06-302021-03-312020-12-31
Value865865863
Percentage of LongtermDebtPercentageBearingVariableInterestAmount100.0100.0100.0

us-gaap:LongtermDebtPercentageBearingVariableInterestAmount us-gaap:LongtermDebtType

us-gaap:Mortgages


Longterm
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value6776776786792941772.214144153081822663824981152767547
Percentage of LongtermDebtPercentageBearingVariableInterestAmount78.278.278.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestOwnershipPercentageByParent us-gaap:Ownership

us-gaap:MinorityInterestOwnershipPercentageByParent

jbgs:ConsolidatedRealEstateVenture


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value96.096.096.095.90.9570.955
Percentage of MinorityInterestOwnershipPercentageByParent100.0100.0100.0100.0100.0100.0

jbgs:JBGSmithLP


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value90.990.590.590.40.9040.9030.8990.898
Percentage of MinorityInterestOwnershipPercentageByParent94.794.394.394.394.594.60.00.0

us-gaap:MinorityInterestOwnershipPercentageByParent us-gaap:Ownership, us-gaap:StatementClassOfStock

jbgs:JBGSmithLP, jbgs:OPUnits


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value9.19.59.59.60.0960.097
Percentage of MinorityInterestOwnershipPercentageByParent9.59.99.910.010.010.2

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2020-12-31
Value5.4
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0

us-gaap:OperatingLossCarryforwards

us-gaap:OperatingLossCarryforwards


Operating
Period End2020-12-31
Value11
Percentage of OperatingLossCarryforwards100.0

us-gaap:OtherAssetsMiscellaneous

us-gaap:OtherAssetsMiscellaneous


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value161516161617161616192018111011219.6988.345
Percentage of OtherAssetsMiscellaneous100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherCommitment us-gaap:RealEstateProperties

us-gaap:OtherCommitment

us-gaap:UnconsolidatedProperties


Other
Period End2021-06-302021-03-312020-12-312020-09-30
Value62535656
Percentage of OtherCommitment100.0100.0100.0100.0

us-gaap:OtherIntangibleAssetsNet

us-gaap:OtherIntangibleAssetsNet


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1717431745474850515355
Percentage of OtherIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:LeaseAgreements


Other
Period End2020-12-312019-12-31
Value2531
Percentage of OtherIntangibleAssetsNet59.364.8

us-gaap:OtherIntangibleAssets


Other
Period End2020-12-312019-12-31
Value0.410.015
Percentage of OtherIntangibleAssetsNet1.00.0

us-gaap:OtherLiabilities

us-gaap:OtherLiabilities


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value2012032472162202282062051921741811191261331611005049
Percentage of OtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherLiabilities us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

jbgs:InvestmentsinUnconsolidatedRealEstateVentures


Other
Period End2021-06-302021-03-312020-12-31
Value132139140
Percentage of OtherLiabilities65.568.456.6

us-gaap:OtherReceivables

us-gaap:OtherReceivables


Other
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-12-31
Value1.1680.5779.463122311
Percentage of OtherReceivables100.0100.0100.0100.0100.0100.0

us-gaap:OtherSundryLiabilities

us-gaap:OtherSundryLiabilities


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value7.0518.07610161212111.040.4174.2876.2091.6671.5973.1694.2272.2240.00.192
Percentage of OtherSundryLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:PrepaidExpenseCurrentAndNoncurrent

us-gaap:PrepaidExpenseCurrentAndNoncurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value101214209.0981012209.195.3866.482145.9618.3789.038214.1112.199
Percentage of PrepaidExpenseCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PurchaseObligation

us-gaap:PurchaseObligation


Purchase
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
Value330351183452114196283362456519396461610766707
Percentage of PurchaseObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PurchaseObligation us-gaap:RealEstateProperties

us-gaap:ConsolidatedProperties


Purchase
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3459.6203593160238307385440310362498676611
Percentage of PurchaseObligation98.550.859.467.181.981.383.984.784.584.978.478.781.688.386.3

us-gaap:UnconsolidatedProperties


Purchase
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value5.49.3131720364555717885981129096
Percentage of PurchaseObligation1.549.240.632.918.118.716.115.315.615.121.621.318.411.713.7

us-gaap:QualifiedAffordableHousingProjectInvestmentsCommitment us-gaap:CounterpartyName, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:QualifiedAffordableHousingProjectInvestmentsCommitment

jbgs:WashingtonHousingInitiative, srt:AffiliatedEntity


Qualified
Period End2021-06-302021-03-312020-12-312020-09-30
Value11111110
Percentage of QualifiedAffordableHousingProjectInvestmentsCommitment100.0100.0100.0100.0

us-gaap:RealEstateAccumulatedDepreciation

us-gaap:RealEstateAccumulatedDepreciation


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1232111910511011930908797
Percentage of RealEstateAccumulatedDepreciation100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value4621453544204649
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements100.0100.0100.0100.0

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfLand

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfLand


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value1453124013711376
Percentage of RealEstateAndAccumulatedDepreciationCarryingAmountOfLand100.0100.0100.0100.0

us-gaap:RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts

us-gaap:RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value2162202817061762
Percentage of RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts100.0100.0100.0100.0

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value2498249626062922
Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements100.0100.0100.0100.0

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfLand

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfLand


Real
Period End2020-12-312019-12-312018-12-312017-12-31
Value1413125014791340
Percentage of RealEstateAndAccumulatedDepreciationInitialCostOfLand100.0100.0100.0100.0

us-gaap:RealEstateGrossAtCarryingValue

us-gaap:RealEstateGrossAtCarryingValue


Real
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value6074577557926025415540383809
Percentage of RealEstateGrossAtCarryingValue100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value129712491232122711941155111911091093107510511020104510451011982959930
Percentage of RealEstateInvestmentPropertyAccumulatedDepreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInvestmentPropertyAtCost

us-gaap:RealEstateInvestmentPropertyAtCost


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value598659786000594059145851577558705804569657925693587159186025584241714155
Percentage of RealEstateInvestmentPropertyAtCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInvestmentPropertyAtCost us-gaap:ConsolidationItems

jbgs:CorporateReconcilingItemsAndEliminations


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value386407505400394384361
Percentage of RealEstateInvestmentPropertyAtCost6.56.88.46.76.76.66.3

us-gaap:RealEstateInvestmentPropertyAtCost us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, jbgs:CommercialSegment


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value353234573459350634913450341536953686365036344023
Percentage of RealEstateInvestmentPropertyAtCost59.057.857.659.059.059.059.162.963.564.162.766.8

us-gaap:OperatingSegments, jbgs:Multifamilysegment


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value2067211420362034202720161998179817611702165615991548150814761434959
Percentage of RealEstateInvestmentPropertyAtCost34.535.433.934.234.334.534.630.630.329.928.628.126.425.524.524.623.1

us-gaap:RealEstateInvestmentPropertyNet

us-gaap:RealEstateInvestmentPropertyNet


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value468947294767471347194696465547604710462147404672482648735014486032113224
Percentage of RealEstateInvestmentPropertyNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInvestmentPropertyNet us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

jbgs:InvestmentsinUnconsolidatedRealEstateVentures


Real
Period End2021-06-302021-03-312020-12-31
Value226222392247
Percentage of RealEstateInvestmentPropertyNet48.247.347.1

us-gaap:RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures

us-gaap:RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value4974554614634645425433203193213223613683682612844545
Percentage of RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures us-gaap:ConsolidationItems

jbgs:CorporateReconcilingItemsAndEliminations


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value72242424253638
Percentage of RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures14.75.55.45.45.46.87.2

us-gaap:RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, jbgs:CommercialSegment


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value314321327330332398396174173175177134
Percentage of RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures63.270.671.071.371.573.573.054.454.354.654.951.2

us-gaap:OperatingSegments, jbgs:Multifamilysegment


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value11010810810810710710710810910910910510199981060.0
Percentage of RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures22.123.923.523.323.119.719.933.834.134.233.829.127.527.137.837.50.0

us-gaap:RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

jbgs:BerkshireGroup


Real
Period End2021-06-302021-03-312020-12-31
Value515150
Percentage of RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures10.311.311.0

jbgs:Brandywine


Real
Period End2021-06-302021-03-312020-12-31
Value131313
Percentage of RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures2.73.03.0

jbgs:CBREIVenture


Real
Period End2021-06-302021-03-312020-12-31
Value606465
Percentage of RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures12.214.114.1

jbgs:CanadianPensionPlanInvestmentBoard


Real
Period End2021-06-302021-03-312020-12-31
Value484747
Percentage of RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures9.810.310.3

jbgs:J.p.MorganGlobalAlternatives


Real
Period End2021-06-30
Value45
Percentage of RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures9.1

jbgs:Landmark


Real
Period End2021-06-302021-03-312020-12-31
Value666566
Percentage of RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures13.414.314.5

jbgs:OtherInvestment


Real
Period End2021-06-302021-03-312020-12-31
Value0.6230.6310.635
Percentage of RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures0.10.10.1

jbgs:PrudentialGlobalInvestmentManagementPGIM


Real
Period End2021-06-302021-03-312020-12-31
Value210212216
Percentage of RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures42.346.747.0

us-gaap:RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

jbgs:BerkshireGroup


Real
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value5049474646
Percentage of RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures11.010.710.38.68.5

jbgs:Brandywine


Real
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value1313131313
Percentage of RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures3.03.03.02.52.5

jbgs:CBREIVenture


Real
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value6565666768
Percentage of RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures14.114.214.312.412.6

jbgs:CanadianPensionPlanInvestmentBoard


Real
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value474848112109
Percentage of RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures10.310.410.420.820.2

jbgs:Landmark


Real
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value6668707677
Percentage of RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures14.514.815.114.014.4

jbgs:OtherInvestment


Real
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312017-06-302016-12-31
Value0.6350.560.5740.5610.5366.6536.359
Percentage of RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures0.10.10.10.10.114.613.9

jbgs:PrudentialGlobalInvestmentManagementPGIM


Real
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value216217217217215
Percentage of RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures47.047.046.940.039.7

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount


Redeemable
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
Value5445525304904995036125865745845585626656056095670.0
Percentage of RedeemableNoncontrollingInterestEquityCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

jbgs:ConsolidatedRealEstateVenture


Redeemable
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
Value8.4687.8767.8667.7566.0166.0566.0595.9865.9865.9825.9815.9075.9075.415.4120.00.0
Percentage of RedeemableNoncontrollingInterestEquityCarryingAmount1.61.41.51.61.21.21.01.01.01.01.11.10.90.90.90.00.0

jbgs:JBGSmithLP


Redeemable
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
Value5365455224834934966065805685785525566596006035670.0
Percentage of RedeemableNoncontrollingInterestEquityCarryingAmount98.498.698.598.498.898.899.099.099.099.098.998.999.199.199.1100.00.0

us-gaap:RestrictedCash

us-gaap:RestrictedCash


Restricted
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
Value37393737201816131617138127222621173.7354.7283.2635.48
Percentage of RestrictedCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueRemainingPerformanceObligation us-gaap:ProductOrService

us-gaap:RevenueRemainingPerformanceObligation

jbgs:DevelopmentFees


Revenue
Period End2021-06-302021-03-312020-12-31
Value555569
Percentage of RevenueRemainingPerformanceObligation100.0100.0100.0

us-gaap:SecuredDebt

us-gaap:SecuredDebt


Secured
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
Value15911591159316901312129411251358136018351838176919061921202519771165
Percentage of SecuredDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SecuredDebt us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

jbgs:InvestmentsinUnconsolidatedRealEstateVentures


Secured
Period End2021-06-302021-03-312020-12-31
Value114911901179
Percentage of SecuredDebt72.274.874.0

us-gaap:SecurityDepositLiability

us-gaap:SecurityDepositLiability


Security
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value181313141516161617171713131313131010
Percentage of SecurityDepositLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

jbgs:FormationAwards


Share
Period End2020-12-312019-12-312018-12-312017-12-312017-07-182016-12-31
Value8.88.818.818.8437.10
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.00.0

jbgs:LtipTimeBasedLtipAndSpecialTimeBasedLtipUnits


Share
Period End2020-12-312019-12-31
Value35.934.35
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue408.0389.9

jbgs:OPUnits


Share
Period End2020-12-312019-12-312018-12-312017-12-31
Value33.3933.3933.3933.49
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue379.4379.0379.0378.8

jbgs:PerformanceSharesandSpecialPerformanceBasedLTIPUnits


Share
Period End2020-12-312019-12-312018-12-312017-12-31
Value19.2918.5518.2715.95
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue219.2210.6207.4180.4

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:EmployeeStock


Share
Period End2020-12-31
Value1900000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant us-gaap:PlanName

jbgs:OmnibusSharePlan2017


Share
Period End2020-12-31
Value3100000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant163.2

us-gaap:UnitsOfPartnershipInterestAmount us-gaap:Ownership, us-gaap:StatementClassOfStock

us-gaap:UnitsOfPartnershipInterestAmount

jbgs:JBGSmithLP, jbgs:OPUnits


Units
Period End2021-06-302021-03-312020-12-312020-09-30
Value13131314
Percentage of UnitsOfPartnershipInterestAmount100.0100.0100.0100.0

us-gaap:UnsecuredDebt

us-gaap:UnsecuredDebt


Unsecured
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
Value398398397397397297297297296297297296969646460.0
Percentage of UnsecuredDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountAssets us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountAssets

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Variable
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value11616424224223522522423226922626716320342
Percentage of VariableInterestEntityNonconsolidatedCarryingAmountAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', 'us-gaap:Parking', None)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Consolidation Items, us-gaap: Product Or Service, us-gaap: Statement Business Segments
us-gaap:Assets
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Assetsus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:Assets
us-gaap:ConsolidatedEntities
(None,)
Assetsus-gaap: Consolidated Entities
us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
(None,)
Finite Lived Intangible Assets Netus-gaap: Finite Lived Intangible Assets By Major Class
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
(None,)
Stockholders Equity Including Portion Attributable To Noncontrolling Interestus-gaap: Statement Equity Components