ABR


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

Table of contents



us-gaap:CommonStockValue
us-gaap:ConsolidatedEntities, us-gaap:StatementClassOfStock
us-gaap:PreferredStockParOrStatedValuePerShare

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:GainLossOnInvestments

us-gaap:GainsLossesOnExtinguishmentOfDebt
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxExpenseBenefit
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestExpense
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:DebtInstrument
us-gaap:InterestExpenseDebt

us-gaap:InterestIncomeExpenseNet
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:InterestIncomeOperating
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:InterestPaidNet
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:IncomeStatementLocation, us-gaap:RealEstateProperties
us-gaap:LitigationSettlementExpense
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:RealEstateProperties

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
us-gaap:ConsolidationItems

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:OperatingExpenses
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:PreferredStockDividendsIncomeStatementImpact
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:ProfitLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:StatementEquityComponents

us-gaap:SellingGeneralAndAdministrativeExpense
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:Assets
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:FinancialInstrument
us-gaap:ConsolidatedEntities, us-gaap:UnderlyingAssetClass
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:Liabilities
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:UnderlyingAssetClass
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:IntangibleAssetsNetIncludingGoodwill
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OtherAssets
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:UnderlyingAssetClass

us-gaap:LongTermDebt
us-gaap:DebtInstrument

us-gaap:MinorityInterest

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:MinorityInterest

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementClassOfStock
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
us-gaap:DebtInstrument
us-gaap:AmortizationOfFinancingCosts

us-gaap:DeferredIncomeTaxExpenseBenefit
us-gaap:Range

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:ProfitLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock
abr:Period, us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateStatedPercentage
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility
us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:Range, us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments
us-gaap:Range, us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments, us-gaap:VariableRate
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
dei:LegalEntity
us-gaap:DeferredTaxLiabilities
dei:LegalEntity
us-gaap:DeferredTaxAssetsNet
dei:LegalEntity
us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:TitleOfIndividual, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement
abr:AdditionalAnnualPerformanceCashBonusInEventOfExtraordinaryPerformance
us-gaap:TitleOfIndividual, us-gaap:TypeOfArrangement

abr:AmortizationAndAccretionOfInterestFeesAndIntangibleAssets
us-gaap:TitleOfIndividual, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement
abr:AnnualBaseSalary
us-gaap:TitleOfIndividual, us-gaap:TypeOfArrangement
us-gaap:TitleOfIndividual, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement
abr:AnnualCashPayment
us-gaap:TitleOfIndividual, us-gaap:TypeOfArrangement
us-gaap:TitleOfIndividual, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement
abr:AnnualPerformanceCashBonusAtMaximumPerformance
us-gaap:TitleOfIndividual, us-gaap:TypeOfArrangement
us-gaap:TitleOfIndividual, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement
abr:AnnualPerformanceCashBonusAtTargetPerformance
us-gaap:TitleOfIndividual, us-gaap:TypeOfArrangement
us-gaap:TitleOfIndividual, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement
abr:AnnualPerformanceCashBonusAtThresholdPerformance
us-gaap:TitleOfIndividual, us-gaap:TypeOfArrangement
us-gaap:BusinessAcquisition, us-gaap:RelatedPartyTransactionsByRelatedParty
abr:CashDistributionReceived
us-gaap:FinancialInstrument, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
abr:ContractualObligations

abr:ContractuallySpecifiedServicingFeesAmountNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
abr:ContractuallySpecifiedServicingFeesPercentage
us-gaap:DebtInstrument
abr:CurrentInterestCoverageRatioCovenantCompliance
us-gaap:DebtInstrument
abr:CurrentOvercollateralizationRatioCovenantCompliance
us-gaap:DebtInstrument
abr:DebtInstrumentAdvanceRate
us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments, us-gaap:VariableRate

abr:DebtInstrumentConvertibleExtinguished
us-gaap:DebtInstrument
abr:DebtInstrumentConvertibleRepurchasePercentage
us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments
abr:DebtInstrumentFloorRate
us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments, us-gaap:VariableRate
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:TypeOfArrangement, us-gaap:VariableRate
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:TypeOfArrangement, us-gaap:VariableRate
us-gaap:Range, us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments, us-gaap:VariableRate
us-gaap:SubsequentEventType

abr:DerivativeFairValueAdjustment
us-gaap:DerivativeInstrumentRisk

abr:DistributionsFromEquityAffiliates

abr:DueToDueFromBorrowersAndReserves
us-gaap:DerivativeInstrumentRisk
abr:EffectOfInterestRateMovement
us-gaap:BusinessAcquisition, us-gaap:RelatedPartyTransactionsByRelatedParty
abr:EquityMethodIndirectOwnershipPercentage
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:SubsequentEventType

abr:GainLossOnSaleOfLoansReceivableHeldForSale
us-gaap:LineOfCreditFacility
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
abr:HeldToMaturitySecuritiesDiscountedValueOfSecuritiesPurchased
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
abr:HeldToMaturitySecuritiesRetainedPercentage

abr:ImpairedFinancingReceivableFirstDollarLtvRatio
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

abr:ImpairedFinancingReceivableLastDollarLtvRatio
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
abr:LoansReceivableMaturity, abr:NumberOfLoansUnpaidPrincipalBalance
abr:ImpairedFinancingReceivableWeightedAverageAccrualRateOfInterest

abr:IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsExtinguishmentOfDebtSaleOfRealEstateIncomeTaxesNoncontrollingInterest
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

abr:IncreaseDecreaseInCustomerLiabilityDeferredRevenue

abr:IncreaseDecreaseInOperatingAssetsAndLiabilities
us-gaap:DebtInstrument
abr:InterestCoverageRatioCovenantCompliance
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
abr:InterestIncomeNet

abr:InterestReserve
us-gaap:DebtInstrument
abr:LineOfCreditFacilityCommitmentAmount
us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments

abr:LoansOriginated
us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
us-gaap:LineOfCreditFacility, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
abr:LoansPayoffsAndPaydowns
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment
abr:LoansPurchasedWithCreditDeteriorationDiscountPremium
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment
abr:LoansPurchasedWithCreditDeteriorationDiscountReceivedClassifiedAsNoncreditDiscount
abr:LoansReceivableMaturity, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:RelatedPartyTransactionsByRelatedParty
abr:LoansReceivableFloorInterestRate
abr:LoansReceivableMaturity, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:VariableRate

abr:LossContingencyAccrualChargeOffsNet
us-gaap:InvestmentType, us-gaap:LossContingenciesByNatureOfContingency
abr:LossContingencyAccrualProvisionReversalForLoanRepayments
us-gaap:InvestmentType, us-gaap:LossContingenciesByNatureOfContingency
abr:LossContingencyAccrualRecoveriesChargeOffsNet
us-gaap:InvestmentType
abr:LossSharingObligationsPercent
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:TypeOfArrangement
abr:MortgageLoansOnRealEstateAdditionalReserveDeposit
abr:LoansReceivableMaturity, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:RelatedPartyTransactionsByRelatedParty
abr:MortgageLoansOnRealEstateFixedInterestRate
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:TypeOfArrangement
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:TypeOfArrangement
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:TypeOfArrangement
abr:MortgageLoansOnRealEstatePayRate
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:RelatedPartyTransactionsByRelatedParty
abr:MortgageLoansOnRealEstateRefinancedAmount
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
abr:NewLoansOriginated
us-gaap:StatementBusinessSegments

abr:OriginatedMortgageServicingRightsRate

abr:OriginatedMortgageServicingRightsRevenue
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:DebtInstrument
abr:OvercollateralizationRatioCovenantCompliance

abr:PaymentForLoansAndInvestmentsFundedOriginatedAndPurchasedNet
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment

abr:PaymentsOfRedemptionOfOperatingPartnershipUnits
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:TypeOfArrangement
abr:PecentageOfInterestWaived
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
abr:PercentageOfCumulativeNonCompoundedPriorityReturn
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:TypeOfArrangement
abr:PercentageOfInterestWaived
us-gaap:ConcentrationRiskByBenchmark, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
abr:PercentageOfUnpaidPrincipalBalance
us-gaap:ConcentrationRiskByBenchmark, us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:LineOfCreditFacility
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:LineOfCreditFacility
us-gaap:StatementGeographical, us-gaap:ConcentrationRiskByBenchmark, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:ConsolidatedEntities, us-gaap:StatementClassOfStock
abr:PercentageOfVotingPower
us-gaap:StatementClassOfStock
abr:PreferredStockAmountOfAccruedDividend
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
abr:PrepaymentFeeIncomeGeneratedByServicingAssetsAmount

abr:ProceedsFromIssuanceOfCollateralizedLoanObligations
us-gaap:DebtInstrument
abr:ProceedsFromIssuanceOfCollateralizedLoanObligationsForAcquiringAdditionalLoan

abr:ProceedsFromLoansAndInvestmentsFundedOriginatedAndPurchased

abr:ProceedsFromPayoffsAndPaydownsOfLoansAndInvestments

abr:ProceedsFromPayoffsAndPaydownsOfSecuritiesHeldToMaturity

abr:ProceedsFromSaleOfLoansHeldForSaleExcludingAcquisition
us-gaap:LineOfCreditFacility
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:RealEstateProperties
abr:ProceedsFromSaleOfSignageEasement

abr:PropertyOperatingExpense
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment
abr:RelatedPartyLoanCommitmentAmount
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
abr:RelatedPartyOwnershipPercentage
us-gaap:RelatedPartyTransactionsByRelatedParty
abr:RelatedPartyTransactionReimbursementForFlightsCharteredByCompanySExecutives

abr:RepaymentOfSecuredLoanObligations
us-gaap:DebtInstrument

abr:SaleMarginOfMortgageLoanSold
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:RealEstateProperties
abr:SalePriceOfProperties
us-gaap:RealEstateProperties
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
abr:ServicingAssetAtAmortizedCostWriteDownsAndPayoffs
us-gaap:TitleOfIndividual, us-gaap:AwardType, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement
abr:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfGrant
us-gaap:TitleOfIndividual, us-gaap:AwardType, us-gaap:TypeOfArrangement
us-gaap:TitleOfIndividual
abr:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue
us-gaap:TitleOfIndividual, us-gaap:AwardType, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement
us-gaap:TitleOfIndividual, us-gaap:AwardType, us-gaap:TypeOfArrangement
us-gaap:FinancialInstrument, us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments
abr:UnpaidPrincipalBalanceServicingPortfolio
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:LineOfCreditFacility, us-gaap:StatementBusinessSegments
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments
us-gaap:FinancialInstrument, us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments
abr:WeightedAverageServicingFeeRate
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:LineOfCreditFacility, us-gaap:StatementBusinessSegments
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments

abr:WriteOffOfCapitalizedMortgageServicingRightsFromPayoffs
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:TypeOfArrangement
srt:MortgageLoansOnRealEstateCollectionsOfPrincipal

srt:MortgageLoansOnRealEstateInterestRate
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:DebtInstrument
us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt

us-gaap:AllowanceForLoanAndLeaseLossesWriteoffsNet
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:DebtInstrument
us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:AmortizationOfMortgageServicingRightsMSRs
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:StatementEquityComponents
us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:ConcentrationRiskPercentage1
us-gaap:StatementGeographical, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:ContractuallySpecifiedServicingFeesAmount
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:ConversionOfStockAmountIssued1
us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:CostsAndExpensesRelatedParty

us-gaap:CurrentIncomeTaxExpenseBenefit
us-gaap:DebtInstrument
us-gaap:DebtInstrumentConvertibleConversionRatio1
us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments
us-gaap:DebtInstrumentInterestRateIncreaseDecrease
us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod
us-gaap:DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed

us-gaap:DebtSecuritiesHeldToMaturityCreditLossExpenseReversal
us-gaap:FinancialInstrument

us-gaap:DepreciationAndAmortization
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:IncomeStatementLocation

us-gaap:DividendsCommonStock
us-gaap:StatementEquityComponents

us-gaap:DividendsPreferredStock
us-gaap:StatementEquityComponents
us-gaap:Range
us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:EquityMethodInvestmentDividendsOrDistributions
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:SubsequentEventType

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation, us-gaap:StatementBusinessSegments
us-gaap:GainLossOnSaleOfDerivatives
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:RealEstateProperties
us-gaap:GainLossOnSaleOfProperties
us-gaap:RealEstateProperties

us-gaap:GainLossOnSalesOfLoansNet
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromEquityMethodInvestments
us-gaap:BusinessAcquisition, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:BusinessAcquisition, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:InterestAndFeeIncomeLoansRealEstateConstruction
us-gaap:DebtInstrument
us-gaap:InterestExpenseDebtExcludingAmortization
us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:InvestmentIncomeInterest

us-gaap:LaborAndRelatedExpense
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:LineOfCreditFacilityIncreaseDecreaseForPeriodNet

us-gaap:LossContingencyAccrualProvision
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:InvestmentType, us-gaap:LossContingenciesByNatureOfContingency

us-gaap:MinorityInterestDecreaseFromRedemptions
us-gaap:StatementEquityComponents
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:TypeOfArrangement
us-gaap:MortgageLoansOnRealEstatePeriodIncreaseDecrease

us-gaap:MortgageServicingRightsMSRImpairmentRecovery
us-gaap:DerivativeInstrumentRisk

us-gaap:NoninterestIncome
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:NoninterestIncomeOtherOperatingIncome
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingLeaseExpense

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

us-gaap:PaymentsForOriginationOfMortgageLoansHeldForSale

us-gaap:PaymentsOfDividendsMinorityInterest

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock

us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireAndDevelopRealEstate
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:PaymentsToAcquireEquityMethodInvestments

us-gaap:PaymentsToAcquireHeldToMaturitySecurities

us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliates

us-gaap:PreferredStockAccretionOfRedemptionDiscount
us-gaap:StatementEquityComponents
us-gaap:StatementClassOfStock
us-gaap:PreferredStockDividendRatePercentage
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents, us-gaap:SubsidiarySaleOfStock
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:PreferredStockDividendsPerShareDeclared

us-gaap:ProceedsFromBankDebt

us-gaap:ProceedsFromCollectionOfLoansHeldForSale

us-gaap:ProceedsFromIssuanceOfCommonStock
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents, us-gaap:SubsidiarySaleOfStock
us-gaap:DebtInstrument
us-gaap:ProceedsFromIssuanceOfDebt
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents, us-gaap:SubsidiarySaleOfStock
us-gaap:ProceedsFromIssuanceOfPreferredStockAndPreferenceStock
us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments
us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromSaleOfLoansHeldForSale

us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale
us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
us-gaap:LineOfCreditFacility, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment

us-gaap:ProceedsFromUnsecuredNotesPayable
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:PropertyManagementFeePercentFee

us-gaap:ProvisionForLoanAndLeaseLosses
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:Restatement

us-gaap:RepaymentsOfBankDebt

us-gaap:RepaymentsOfConvertibleDebt
us-gaap:DebtInstrument

us-gaap:RepaymentsOfSecuredDebt
us-gaap:Range, us-gaap:LineOfCreditFacility, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RevenueFromRelatedParties
us-gaap:LineOfCreditFacility, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:SaleOfStockPercentageOfOwnershipAfterTransaction
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:ServicingAssetAtAmortizedValueAdditions
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:ServicingAssetAtAmortizedValueAmortization1
us-gaap:Range, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate
us-gaap:AwardType, us-gaap:GranteeStatus
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
us-gaap:AwardType, us-gaap:GranteeStatus, us-gaap:PlanName
us-gaap:AwardType, us-gaap:GranteeStatus, us-gaap:PlanName, us-gaap:Vesting
us-gaap:AwardType, us-gaap:GranteeStatus, us-gaap:Vesting
us-gaap:TitleOfIndividual, us-gaap:AwardType, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement, us-gaap:Vesting
us-gaap:TitleOfIndividual, us-gaap:AwardType, us-gaap:TypeOfArrangement, us-gaap:Vesting
us-gaap:AwardType
us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation
us-gaap:DebtInstrument
us-gaap:StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
us-gaap:StatementEquityComponents, us-gaap:SubsidiarySaleOfStock
us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedDuringPeriodValue
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents, us-gaap:SubsequentEventType

us-gaap:TransferOfPortfolioLoansAndLeasesToHeldForSale1
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation, us-gaap:StatementBusinessSegments
us-gaap:UnrealizedGainLossOnDerivatives

abr:AccruedInterestHeldToMaturitySecurities
us-gaap:StatementScenario, us-gaap:InvestmentType
abr:AdditionalRestrictedLiquidityReserve
us-gaap:LossContingenciesByNatureOfContingency
abr:AdvancesOnPrincipalAndInterestPayments

abr:AffiliatesDebtInstrumentPrincipalOutstanding
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

abr:AllowanceForLossSharingObligations
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:FairValueByMeasurementBasis
abr:CapitalizedMortgageServicingRightsFairValue
us-gaap:FairValueByFairValueHierarchyLevel
abr:CapitalizedMortgageServicingRightsNet
us-gaap:FairValueByMeasurementBasis

abr:CollateralCarryingValue
us-gaap:DebtInstrument
abr:CollateralizedLoanObligation
us-gaap:DebtInstrument
abr:CollateralizedLoanObligationCollateralAtRisk
us-gaap:DebtInstrument
abr:CollateralizedSecuritizationVehicleTranchesFaceAmount
us-gaap:DebtInstrument
abr:DebtInstrumentAmountDueAtMaturity

abr:DebtObligations
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:FinancialInstrument
abr:DebtSecuritiesAvailableForSaleReclassifiedFromHeldToMaturity
us-gaap:DebtInstrument
abr:DebtWeightedAverageInterestRateIncludingFeesAndCosts
us-gaap:DebtInstrument, us-gaap:VariableRate
us-gaap:StatementBusinessSegments
dei:LegalEntity
abr:DeferredTaxAssetsNonDeductibleExpenses
dei:LegalEntity
abr:DeferredTaxAssetsOperatingAndCapitalLossCarryforwards

abr:DueToBorrowers

abr:FairValueOfFutureMortgageServicingRights
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment
abr:FinancingReceivableBeforeAllowanceForCreditLossFunded
us-gaap:FinancialInstrument, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
abr:FinancingReceivableBeforeAllowanceForCreditLossFundedAndUnfunded
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablesPeriodPastDue, us-gaap:InternalCreditAssessment
abr:FinancingReceivableRecordedInvestmentsPastDue
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablesPeriodPastDue, us-gaap:InternalCreditAssessment

abr:FirstDollarLTVRatio
us-gaap:ConcentrationRiskByType
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByType

abr:GuaranteeObligationsIncludedInAllowanceForLossSharingObligations

abr:HeldToMaturitySecuritiesFaceValue
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:LineOfCreditFacility

abr:HeldToMaturitySecuritiesNotionalAmount

abr:ImpairedFinancingReceivablesCarryingAmount
us-gaap:FairValueByMeasurementBasis

abr:InterestReserveUnpaidPrincipalBalance
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
abr:InvestmentWeightedAverageEffectiveInterestRate
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
abr:InvestmentWeightedAverageInterestRate

abr:LastDollarLTVRatio
us-gaap:ConcentrationRiskByType
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByType
us-gaap:DebtInstrument
abr:LeverageCapitalToLoanAndInvestmentPortfolio
us-gaap:StatementBusinessSegments
us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments
abr:LineOfCreditFacilityAdditionalBorrowingCapacity

abr:LoanCarryingValue
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory, us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment

abr:LoansAndInvestmentsUnfundedCommitments

abr:LoansAndLeasesReceivableAllowanceReversal

abr:LoansHeldForSaleReceivableGrossCommercialRealEstate
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
abr:LoansHeldToMaturityFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType
abr:LoansHeldToMaturityMeasurementInput
us-gaap:FinancialInstrument, us-gaap:MeasurementInputType
us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory, us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment
abr:LoansReceivableFloorRate
us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory, us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:Range, us-gaap:FinancingReceivablePortfolioSegment

abr:LoansReceivableHeldForSaleUnearnedDiscount
us-gaap:LitigationCase
abr:LossContingencyLiborFloorCertificateTransfersValue
us-gaap:InvestmentType
abr:LossSharingObligationsAllowance
us-gaap:InvestmentType
abr:MinimumLiquidAssetsRequiredToMeetOperationalLiquidityRequirements
us-gaap:DebtInstrument
abr:MortgageLoansOnRealEstateCarryingValue

abr:MortgageLoansOnRealEstatePercentage
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByType
us-gaap:DebtInstrument
abr:MortgageLoansOnRealEstatePrincipalAmountOfMortgages
us-gaap:StatementEquityComponents, us-gaap:SubsidiarySaleOfStock
abr:NumberOfSharesAuthorizedToBeIssuedUnderAgreement

abr:OperatingLeasesFutureMinimumPaymentsDueRemainderOfFiscalYear

abr:OtherAssetsConsolidatingFinancialInformation
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

abr:OtherLiabilitiesConsolidatingFinancialInformation
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:TitleOfIndividual
abr:OwnershipPercentageLimit
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:RelatedPartyTransactionsByRelatedParty
abr:PercentageOfEquityParticipationInterest

abr:PercentageOfOwnershipOfRelatedPartyInOtherRelatedParty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:RealEstateProperties
abr:RealEstateOwnedAccumulatedImpairment
us-gaap:BusinessAcquisition, us-gaap:RelatedPartyTransactionsByRelatedParty
abr:RelatedPartyTransactionPercentageOfOwnership
us-gaap:DebtInstrument
abr:ResidualInterestOfCollateralizedSecuritizationVehicleNotionalAmount
us-gaap:DebtInstrument, us-gaap:ExternalCreditRatingByGrouping
us-gaap:DebtInstrument
abr:RestrictedCashRelatedToInterestPaymentsDelayedFundingAndExpenses
us-gaap:DebtInstrument
abr:RestrictedCashRelatedToInterestPaymentsDelayedFundingsAndExpenses

abr:SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowings

abr:SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowingsPrincipalAmount
us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

abr:ThresholdPercentageForReportingLoans
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment
abr:TransferFromStructuredBusinessToAgencyBusinessMortgageLoansOnRealEstateNumberOfLoans
us-gaap:ConsolidatedEntities
abr:ValueOfSharesRedeemed
us-gaap:ConsolidatedEntities, us-gaap:FinancialInstrument
abr:VariableInterestEntityMortgageLoansOnRealEstateBeforeLoanLossReserves
us-gaap:ConsolidatedEntities
abr:VariableInterestEntityReportingEntityInvolvementRealEstateDebtExposureAmount
abr:LoansReceivableMaturity, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:RelatedPartyTransactionsByRelatedParty
srt:MortgageLoansOnRealEstateFaceAmountOfMortgages
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:TypeOfArrangement

srt:MortgageLoansOnRealEstateFederalIncomeTaxBasis1

srt:MortgageLoansOnRealEstatePriorLiens1
us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory, us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment

us-gaap:AccountsPayableRelatedPartiesCurrentAndNoncurrent

us-gaap:AllowanceForLoanAndLeaseLossesRealEstate
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:DebtInstrument
us-gaap:CashCollateralForBorrowedSecurities

us-gaap:ContractualObligation
us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:ContractualObligationDueAfterFifthYear

us-gaap:ContractualObligationDueInFifthYear

us-gaap:ContractualObligationDueInFourthYear

us-gaap:ContractualObligationDueInNextTwelveMonths

us-gaap:ContractualObligationDueInSecondYear

us-gaap:ContractualObligationDueInThirdYear

us-gaap:ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear

us-gaap:ConvertibleDebtFairValueDisclosures

us-gaap:ConvertibleNotesPayable
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis
us-gaap:DebtInstrument
us-gaap:DebtInstrumentCarryingAmount
us-gaap:DebtInstrument
us-gaap:DebtInstrumentCollateralAmount
us-gaap:DebtInstrument, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
abr:DebtOffering, abr:Period, us-gaap:DebtInstrument
us-gaap:DebtInstrumentConvertibleConversionPrice1
abr:DebtOffering, us-gaap:DebtInstrument
us-gaap:DebtInstrument
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateEffectivePercentage
us-gaap:DebtInstrument
us-gaap:DebtInstrumentUnamortizedDiscount

us-gaap:DebtSecuritiesHeldToMaturityAllowanceForCreditLoss
us-gaap:FinancialInstrument
us-gaap:Restatement, us-gaap:AdjustmentsForChangeInAccountingPrinciple
us-gaap:Restatement, us-gaap:AdjustmentsForChangeInAccountingPrinciple, us-gaap:FinancialInstrument
us-gaap:Restatement, us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:Restatement, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:FinancialInstrument

us-gaap:DebtWeightedAverageInterestRate
us-gaap:BalanceSheetLocation
us-gaap:DeferredCompensationArrangementWithIndividualRecordedLiability
us-gaap:BalanceSheetLocation
us-gaap:DeferredCompensationPlanAssets
us-gaap:DebtInstrument
us-gaap:DeferredFinanceCostsNet
us-gaap:StatementBusinessSegments
dei:LegalEntity
us-gaap:DeferredTaxAssetsOther
dei:LegalEntity
us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves
dei:LegalEntity
us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
dei:LegalEntity
us-gaap:DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates
dei:LegalEntity
us-gaap:DeferredTaxLiabilitiesMortgageServicingRights
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType
us-gaap:DerivativeAssetMeasurementInput
us-gaap:FinancialInstrument, us-gaap:MeasurementInputType

us-gaap:DerivativeAssetNotionalAmount
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementBusinessSegments
us-gaap:HedgingDesignation, us-gaap:StatementBusinessSegments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeAssets
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementBusinessSegments
us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:HedgingDesignation, us-gaap:StatementBusinessSegments
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementBusinessSegments
us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:HedgingDesignation, us-gaap:StatementBusinessSegments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeLiabilities
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeLiabilityNotionalAmount
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNotionalAmount

us-gaap:DueFromRelatedParties
us-gaap:RelatedPartyTransaction
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:EquityMethodInvestmentAggregateCost
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:EquityMethodInvestments
us-gaap:ConcentrationRiskByBenchmark
us-gaap:EscrowDeposit
us-gaap:ConcentrationRiskByBenchmark, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:ConcentrationRiskByBenchmark, us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue

us-gaap:FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss
us-gaap:ConcentrationRiskByType
us-gaap:FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByType
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByType, us-gaap:InternalCreditAssessment
us-gaap:ConcentrationRiskByType
us-gaap:FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByType
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByType, us-gaap:InternalCreditAssessment
us-gaap:ConcentrationRiskByType
us-gaap:FinancingReceivableOriginatedInCurrentFiscalYear
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByType
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByType, us-gaap:InternalCreditAssessment
us-gaap:ConcentrationRiskByType
us-gaap:FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByType
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByType, us-gaap:InternalCreditAssessment
us-gaap:ConcentrationRiskByType
us-gaap:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByType
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByType, us-gaap:InternalCreditAssessment
us-gaap:ConcentrationRiskByType
us-gaap:FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByType
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByType, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablesPeriodPastDue, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivableRecordedInvestmentPastDue
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablesPeriodPastDue, us-gaap:InternalCreditAssessment

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
abr:LoansReceivableMaturity, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:GuaranteeObligationsMaximumExposure
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:HeldToMaturitySecurities
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:HeldToMaturitySecuritiesFairValue
us-gaap:FinancialInstrument

us-gaap:ImpairedFinancingReceivableRecordedInvestment
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

us-gaap:ImpairedFinancingReceivableRelatedAllowance
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
abr:LoansReceivableMaturity, abr:NumberOfLoansUnpaidPrincipalBalance
us-gaap:ImpairedFinancingReceivableUnpaidPrincipalBalance

us-gaap:ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
us-gaap:InternalCreditAssessment
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:InternalCreditAssessment

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust
us-gaap:DebtInstrument
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd

us-gaap:LoansAndLeasesReceivableAllowance
abr:LoansReceivableMaturity, abr:NumberOfLoansUnpaidPrincipalBalance
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:Restatement
us-gaap:Restatement, us-gaap:AdjustmentsForChangeInAccountingPrinciple
us-gaap:Restatement, us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:LoansAndLeasesReceivableDeferredIncome

us-gaap:LoansAndLeasesReceivableGrossCarryingAmount
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:ConcentrationRiskByType
us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByType
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByType, us-gaap:InternalCreditAssessment

us-gaap:LoansReceivableHeldForSaleAmount
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:LineOfCreditFacility

us-gaap:LoansReceivableHeldForSaleNetNotPartOfDisposalGroup
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
us-gaap:DebtInstrument
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear
us-gaap:InvestmentType, us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LossContingencyAccrualAtCarryingValue
us-gaap:LitigationCase
us-gaap:Restatement, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:InvestmentType, us-gaap:LossContingenciesByNatureOfContingency
us-gaap:InvestmentType, us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LossContingencyEstimateOfPossibleLoss

us-gaap:MortgageLoansOnRealEstate
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:FinancialInstrument
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:InternalCreditAssessment
us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory, us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment

us-gaap:MortgageLoansOnRealEstateCommercialAndConsumerNet
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:UnderlyingAssetClass
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis

us-gaap:MortgageLoansOnRealEstateRenewedAndExtendedAmount1
us-gaap:InternalCreditAssessment
us-gaap:MortgageLoansOnRealEstateWritedownOrReserveAmount1

us-gaap:NotesReceivableGross

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
dei:LegalEntity
us-gaap:OperatingLossCarryforwards
dei:LegalEntity, us-gaap:IncomeTaxAuthority

us-gaap:OtherLiabilities
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:UnderlyingAssetClass
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents, us-gaap:SubsidiarySaleOfStock
us-gaap:PreferredStockLiquidationPreference
us-gaap:StatementClassOfStock
us-gaap:PreferredStockLiquidationPreferenceValue
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:PreferredStockRedemptionAmount

us-gaap:PreferredStockValue

us-gaap:PrincipalAmountOutstandingOfLoansHeldInPortfolio
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:LineOfCreditFacility
us-gaap:LineOfCreditFacility
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:RealEstateProperties
abr:MortgageLoansOnRealEstateSubTypeOfProperty, us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:RealEstateInvestmentPropertyAtCost
abr:MortgageLoansOnRealEstateSubTypeOfProperty, us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:RealEstateProperties

us-gaap:RealEstateInvestmentPropertyNet
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:RealEstateProperties
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:RealEstateInvestmentsJointVentures

us-gaap:RestrictedCashAndCashEquivalents
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:UnderlyingAssetClass
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementScenario, us-gaap:InvestmentType

us-gaap:SecuredDebt
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:UnderlyingAssetClass
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:ExternalCreditRatingByGrouping
us-gaap:DebtInstrument, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis

us-gaap:SeniorNotes
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis

us-gaap:ServicingAssetAtAmortizedValue
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:Range, us-gaap:FinancialInstrument, us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:MeasurementInputType
us-gaap:ServicingAssetMeasurementInput
us-gaap:StatementEquityComponents
us-gaap:SharesIssuedPricePerShare
us-gaap:StatementEquityComponents, us-gaap:SubsidiarySaleOfStock
us-gaap:ConsolidatedEntities
us-gaap:VariableInterestEntityEntityMaximumLossExposureAmount

Plots across concepts


Expenses
Income Tax Expense Benefit
Balance Sheet
Intangible Assets Net Excluding Goodwill
Assets
Other Assets
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Intangible Assets Net Excluding Goodwill
Liabilities
Other Liabilities
Noncurrent Liabilities
Minority Interest
Stockholders Equity
Retained Earnings Accumulated Deficit
Per Share
Common Stock Dividends Per Share Declared
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Share Based Compensation
NetCashProvidedByUsedInFinancingActivities
Payments For Repurchase Of Common Stock
Shares
Weighted Average Number Of Shares Outstanding Basic
DividendsAndRepurchase
Payments For Repurchase Of Common Stock
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Three

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:CommonStockValue ██▇▆▆▆▆▅▅▅▄▄▄▃▃▃▃▃▃▃▃▃▂▃▃▃▃▃▃▃▃▃▂▂▁▁▁▁▁▁▁1.4171.3371.2321.1591.1221.1061.0970.9480.9420.860.840.7570.6860.6250.6170.6170260.6134990.5185020.5140130.5140130.5138140.5138140.5096250.5361320.5361320.5359370.531280.531280.531280.527870.517870.517870.4578770.4571780.3390.3040.3040.2680370.2677870.2652870.264237NA0.257568NANA
 us-gaap:PreferredStockParOrStatedValuePerShare us-gaap:ConsolidatedEntities,us-gaap:StatementClassOfStock srt:PartnershipInterest,abr:SpecialVotingPreferredStock▄▄▄▄▄▄1e-081e-081e-081e-081e-081e-08NA1e-081e-081e-086.8e-061e-081e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁153.616591143.958433NA133.997087131.882398131.217199NA117.468044113.624384107.869511NA98.43596490.0551784.699735NA83.91811779.06450373.730068NA70.27179651.74195151.095128NA50.96251650.95564850.832736NA50.47730850.70174249.752813NA43.83227143.55549534.236689NA28.03804425.26745924.344154NA25.2395925.4403825.785629NA25.4774125.574203
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁135.262197125.235405NA113.766446110.745572110.792412NA94.48683989.95592385.151878NA74.80258265.68305761.842336NA61.58279656.65233451.461156NA51.39046751.38140551.045219NA50.96251650.95564850.544575NA50.47730850.26746249.336308NA43.39755543.11389833.771925NA27.74922524.97787924.180165NA25.2395925.4403824.961471NA25.4774125.47741
us-gaap:EarningsPerShareBasic ▃▃▄▃▃▂▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▄▃▃▃▃▃▃▃▃▃▃▁▃▂▃▁▃█0.510.550.840.720.4-0.540.350.360.320.270.480.370.260.420.350.270.210.30.40.210.20.020.10.30.210.30.11.260.230.120.070.080.070.2-0.010.070.620.17-1.15-0.1-0.410.01-1.6099999999999994-0.065.07
us-gaap:EarningsPerShareDiluted ▃▃▄▃▃▂▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▄▃▃▃▃▃▃▃▃▃▃▂▃▂▃▁▃█0.510.550.820.720.4-0.540.340.350.310.260.470.360.250.420.350.260.210.30.40.210.20.020.10.30.210.30.11.260.230.120.070.080.070.19-0.010.070.620.17-1.15-0.1-0.410.01-1.6400000000000006-0.065.05
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
 Net profit Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,abr:AgencyBusinessSegment▇▆▇▄▇█▆▅▄▄▇▄▃▃▃▃▃▃▂▁8.657.9348.5086.238.78510.0497.9246.686.0275.4689.2556.2685.1184.3765.2030434.8809434.5507155.0162993.8072072.743076NANANANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,abr:StructuredTransactionBusinessSegment█▇▆▆▆▆▆▆▆▅▅▄▄▃▂▂▁▁▁▁96.49883.2177.6575.47174.29578.47774.05973.82976.14465.80964.10561.23254.17747.23640.84109137.25863329.91755928.50871728.94122426.893151NANANA26.025709NANANANANANANANANANANANANANANANANANANANANA
 SG&A Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,abr:AgencyBusinessSegment▇▆▇▄▇█▆▅▄▄▇▄▃▃▃▃▃▃▂▁8.657.9348.5086.238.78510.0497.9246.686.0275.4689.2556.2685.1184.3765.2030434.8809434.5507155.0162993.8072072.743076NANANANANANANANANANANANANANANANANANANANANANANANANA
 SG&A Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,abr:StructuredTransactionBusinessSegment█▇▆▆▆▆▆▆▆▅▅▄▄▃▂▂▁▁▁▁96.49883.2177.6575.47174.29578.47774.05973.82976.14465.80964.10561.23254.17747.23640.84109137.25863329.91755928.50871728.94122426.893151NANANA26.025709NANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
 us-gaap:GainLossOnInvestments us-gaap:EquityMethodInvestmentNonconsolidatedInvestee,us-gaap:RelatedPartyTransactionsByRelatedParty abr:RealEstateInvestmentFund,abr:AcmConsortiumOfInvestorsAndCertainExecutivesNANANA-0.1-0.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GainsLossesOnExtinguishmentOfDebt █▇██▆▆▁████▃0.0-1.370.00.0-1.592-1.954-7.3110.00.0-0.128-0.082-4.96NANA-0.0002430.00.07.116243NANANANANANANANANANANANA0.01.1677720.03.7630.04.14468820.9682145.3461212.9585565.1004621.92670.89250.011.79171.032651
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,abr:StructuredTransactionBusinessSegment█▇██▆▆▁████▃0.0-1.370.00.0-1.592-1.954-7.3110.00.0-0.128-0.081-4.96NANA-0.0002430.00.07.116243NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▆▆█▇▆▁▄▅▄▄▅▅▄▂▃▅▄▅▄▄10.95912.49224.917.78512.077-14.374.0726.6234.35-0.018.6355.3814.499-8.784-2.8856.7083.4356.1010.5250.3NANANANANANANANANANANANANANA-0.2750.2750.6-1.401558NANANANANANA1.8
us-gaap:IncomeTaxesPaidNet █▁▄▇▁▁▂▂▄▂▂▃▃▂▃▁▅▁▁▁25.1910.54812.47219.9781.1511.6813.9252.511.1782.0083.4755.8536.983.7186.1695011.20187812.7016210.75-0.0346540.185855NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestExpense ▇▇▆▆▆████▇▇▆▆▅▄▃▃▃▃▂▂▂▁▁▁▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂46.37842.18440.04437.88841.30249.98248.18648.06448.28441.86542.99939.54837.88433.38726.37435923.84941720.41138619.43683820.66444216.96622813.24348812.74861312.3146411.88536311.59276213.92736713.75544912.33403411.22259710.59137810.44410910.64572510.33307310.6422449.8245429.5100839.77080711.761411.41100411.40722915.79275113.04094913.50437215.20993616.177468
 us-gaap:InterestExpenseDebt us-gaap:DebtInstrument us-gaap:ConvertibleDebt▃▃▃▃▃▃█▃▃▃▃▃▄▃▂▁▁▁4.84.85.24.84.85.213.25.04.95.25.15.06.14.93.52.22.22.1NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestIncomeExpenseNet █▇▆▆▆▅▅▅▅▄▄▄▃▃▃▃▂▂▂▂▃▂▃▂▃▂▂▃▂▂▃▃▂▂▂▂▂▂▂▂▁▁▂▂▂58.7748.9646.11443.81341.77838.54433.79732.44533.88729.41230.36127.95221.41118.22519.67118.29015914.05688814.08817812.08398912.66999917.26528413.06985214.87821314.14034622.63216713.28202812.89865117.32392614.26983214.32047715.52660315.09724813.99604312.34657811.03450510.5205129.7319067.8450077.3518257.1171592.7800214.9666187.0190589.6685879.689479
us-gaap:InterestIncomeOperating █▇▆▆▆▇▆▆▆▅▅▅▄▄▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▂▂105.14891.14486.15881.70183.0888.52681.98380.50982.17171.27773.3667.559.29551.61246.04413442.13957634.46827433.52501632.74843129.63622727.96949825.81846527.19285326.02570926.34058527.20939526.654129.6579625.49242924.91185525.97071225.74297324.32911622.98882220.85904720.03059519.50271319.60640718.76282918.52438818.57277218.00756720.5234324.87852325.866947
us-gaap:InterestPaidNet ▆▆▆▅▅▇█▆█▆▆▃▅▄▃▂▂▁▂▁39.25736.31136.39532.27933.62842.66645.60936.19646.59639.1836.78323.46531.16827.50722.43163818.00786820.12849415.01416.72473913.30356NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LitigationSettlementExpense us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty,us-gaap:IncomeStatementLocation,us-gaap:RealEstateProperties srt:Hotel,us-gaap:SellingGeneralAndAdministrativeExpenses,abr:RealEstateOwnedNANANA2.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LitigationSettlementExpense us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty,us-gaap:RealEstateProperties srt:Hotel,abr:RealEstateOwnedNANANA2.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▆▇██▆▁▆▆▆▆▇▆▆▇▆▆▅▆▆▅8.7179.74314.19613.8368.11-10.9347.1817.3636.5985.4689.8387.7995.5578.9917.5245.6611844.4936276.4416048.4816093.649432NANANANANANANANANANA0.00.0167150.0538330.0536510.0539690.0539760.0538110.0538110.0540370.0540450.0538780.0536960.0540610.0540670.053898
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▇▇█▇▆▁▅▅▅▅▅▅▄▅▅▄▄▄▅▄▄▄▄▄▄▄▄▇▄▄▄▄▄▄▄▄▄▄▂▄▃▄▂▄69.12669.47996.61781.99744.091-59.3135.54233.96528.91622.6537.21827.73717.16726.18921.8716.42095811.92943815.61367420.53461610.88817210.2384481.1348965.02222615.34375910.4986415.0104695.04929663.40212111.4660575.8747613.3671713.6646792.9958666.640239-0.2672392.06032915.5460184.16178-27.781898-2.442229-10.3547350.267149-41.14352-1.408061NA
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted ▇▇█▇▆▁▅▅▅▅▆▅▅▅▅▅▄▅▅▄▄▄▄▄▄▄77.84379.222110.81395.83352.201-70.24442.72341.32835.51428.11847.05735.53622.72435.1829.39451522.08214216.42306522.05527820.53461614.53760410.2384481.1348965.02222615.34375910.4986415.010469NANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingExpenses ▃▄▃▃▄█▃▃▃▃▃▃▃▃▃▃▃▃▂▃▂▁▁▂▂▂▁▂▁▁▁▁▂▂▁▂▂▂▃▂▂▁▃▂▃49.48456.26747.70935.72761.149125.61341.6748.88245.47146.28750.25534.73940.6143.84937.99936.59637.04338.25432.03558735.74159925.16986417.97281618.00168818.33840319.05777218.66946114.85925618.81983517.95863916.53833316.08323917.70037718.54906219.07536718.08108320.26884624.13367822.93648141.68005825.97102923.3378979.86643445.25575123.36964540.125595
us-gaap:PreferredStockDividendsIncomeStatementImpact █▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▁6.4141.8881.8891.8881.8881.8881.8881.8881.8881.8881.8881.8881.8881.8881.8881.8881.888431.888431.888431.888431.888431.888431.888431.888431.888431.888431.888431.888431.8884651.590931.4103051.4103331.1526170.533328NANANANANANANANANANANA
us-gaap:ProfitLoss ▆▆▇▇▅▁▅▅▅▄▅▅▄▅▅▄▄▄▅▄▄▄▄▄▄▄▄▆▄▄▄▄▄▄▃▃▄▄▂▃▃▃▂▃█84.25781.11112.70297.72154.089-68.35644.61143.21637.40230.00648.94437.42424.61237.06831.28223.97057218.31149523.94370830.90465516.42603412.1268783.0233266.91065617.23218912.3870716.8988996.93772665.29055113.3545227.4656914.7774765.0917274.2023167.227218-0.213272.11430515.5998294.215591-27.727861-2.388184-10.3008570.320845-41.089459-1.353994129.141897
us-gaap:SellingGeneralAndAdministrativeExpense ██▆▇▆█▇██▇▇▇▆▆▆▆▆▆▅▄▁▂▃▂▂▂▂▂▂▂▂▂▂▂▂▁▂▁▂▂▁▁▁▂▂11.13310.8188.3359.3568.60611.0529.20710.88210.4819.7619.2919.9948.8738.9157.602257.6069367.8349277.6938877.3090275.9030311.7193372.6554763.5406693.1795342.9078042.897812.0930422.3300333.1948451.9822192.144163.3000712.9697332.1892832.1601531.8707592.1917691.6602332.2515552.2926281.5837931.1978251.4823221.9854712.250402
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:Assets █▇▇▆▅▆▅▅▅▄▄▄▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁9060.88130.8597660.9866689.2186390.1246934.656239.165395.6345601.734597.7254612.1754534.264204.323748.7683625.9453058.1778622935.4453682914.4278342970.7862462650.2207281916.7464811872.420461827.3919441847.4304951833.0459731901.6904151880.422591917.1554371902.9728691900.3102251877.4724821976.5600051933.3425831856.9501281701.881281666.9781821690.9695251753.5007651776.714331749.4480861763.634233NA1731.207928NANA
us-gaap:Liabilities █▇▇▆▆▆▅▅▅▄▄▄▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁7104.0336460.1676178.3015365.9825132.3485708.64883.1334197.2384415.7523520.3423546.6093567.7883260.8082860.8982761.3892212.4346532097.463772154.7619512223.7483181924.7891861351.0732661311.0659491262.3011691281.7664841276.8235331350.7642131344.9671191382.9890351426.381551432.4199291439.87621538.8082851536.1185131493.5611081470.6201581454.6540491478.5769291572.9203851603.6537971551.7779351556.574584NA1524.792685NANA
us-gaap:LiabilitiesAndStockholdersEquity █▇▇▆▅▆▅▅▅▄▄▄▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁9060.88130.8597660.9866689.2186390.1246934.656239.165395.6345601.734597.7254612.1754534.264204.323748.7683625.9453058.1778622935.4453682914.4278342970.7862462650.2207281916.7464811872.420461827.3919441847.4304951833.0459731901.6904151880.422591917.1554371902.9728691900.3102251877.4724821976.5600051933.3425831856.9501281701.881281666.9781821690.9695251753.5007651776.714331749.4480861763.634233NA1731.207928NANA
us-gaap:StockholdersEquity █▆▅▄▄▄▄▄▃▃▃▂▂▂▂▂▂▁▁▁▁1832.8581528.4311344.3711193.0371105.9061076.1781184.611028.0141017.019909.243895.238797.313769.999714.606695.825680.501908674.579943596.936316587.140735570.619035565.673215NA565.090775NANANANANANANA437.596282436.787642395.288632361.453763229.329349210.392352210.459835178.647618171.126405195.736016205.124578NA204.415381NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:CashAndCashEquivalentsAtCarryingValue ▅▆▇▄█▅▆▃▄▃▄▂▃▃▃▂▂▃▃▂▄▃▄▃▃▃▂▂▁▁▂▂▂▂▁▁▂▂▂▂▁▂▃▁▁215.658260.228339.528192.204384.182222.33299.687135.285198.917124.505160.06392.598106.968102.548104.37484.75139780.759389104.843232138.6454371.613974160.177704145.132766188.708687115.612829130.063658105.43448350.41774572.87416347.8137432.70417260.38955264.65856150.71207477.96456729.18888940.84863764.2818153.45526655.23647959.35227542.39602667.144569101.12456426.26900122.123807
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▇██▄▇█▇▄█▆▄▃▃▂▂▂▃▂▁464.748532.267536.998302.467479.029526.397510.562325.331515.372416.37340.669295.334280.654234.207243.772221.89267.999220.106167.96NANANA237.01NANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures ▇█▆▆▅▄▄▃▃▃▂▂▂▂▂▃▃▃▃▄▃▃▃▃▂▂▁▁▁▁▁▁▅▅▅▅▅▅▅▅▅86.253104.40674.27482.32264.99144.70141.836.69831.15928.44421.5822.10124.14423.62523.65331.3307432.99289533.38072233.94885341.96233838.64925434.92758630.87023527.82874724.36837921.1839384.8690665.0225024.5881074.6803064.6803065.69016959.3687459.47499259.58124259.8814960.09751760.17506460.45006460.06945165.789451NA65.838885NANA
us-gaap:Goodwill NANA56.6NANANA56.6NANANA56.626NANANA56.626NANANA26.74738127.79003NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill NANA48.825NANANA54.075NANANA59.539NANANA65.14NANANA70.743NANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass abr:BorrowerRelationshipsNANA7.98NANANA9.42NANANA10.86NANANA12.3NANANA13.74NANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass abr:BrokerRelationshipsNANA11.068NANANA14.193NANANA17.317NANANA20.442NANANA23.568NANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:OffMarketFavorableLeaseNANA0.777NANANA1.462NANANA2.199NANANA2.935NANANA3.673NANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:ServicingContracts█▇▅▁418.653406.98379.974335.235NANA286.42NANANA273.77NANANA252.608NANANANA224.29721NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetIncludingGoodwill ▃▃▃▄▄▄▅▅▅▆▆▇▇▇██▇▁▁▂103.106104.278105.451106.716108.04109.371110.7112.026113.364114.764116.165117.565118.965120.366121.766123.166816119.68897996.08943297.48988499.932986NANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:LongTermDebt █▆▅▂▂▄▁6805.8786155.3615874.4515090.5884877.0795488.0854678.863NANANA3367.052NANANA2595.658NANANA2068.1482231786.29148NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest ▁▄▃▂▅▅██▇▇█▇██▇▇▇▆▆123.909142.261138.314130.199151.87149.872171.417170.382168.959168.14170.328169.159173.513173.264168.731165.241301163.401655162.729567159.897193NANANANANANANANANANANA0.00.9640781.9354381.9352571.9317731.9317811.9327611.9327621.9341281.9341351.935071NA1.999862NANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo ▂▂█▁8.0318.0318.2577.986NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ▅▅█▁7.9267.9268.0317.754NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ██▇▁7.9787.9787.9267.652NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive ██▄▁8.2828.2827.9787.696NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive ▁▁██26.09826.09834.38134.041NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:StockholdersEquity █▆▅▄▄▄▄▄▃▃▃▂▂▂▂▂▂▁▁▁▁1832.8581528.4311344.3711193.0371105.9061076.1781184.611028.0141017.019909.243895.238797.313769.999714.606695.825680.501908674.579943596.936316587.140735570.619035565.673215NA565.090775NANANANANANANA437.596282436.787642395.288632361.453763229.329349210.392352210.459835178.647618171.126405195.736016205.124578NA204.415381NANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest █▆▅▄▄▄▅▄▄▃▃▂▂▂▂▂▂▁▁▁1956.7671670.6921482.6851323.2361257.7761226.051356.0271198.3961185.9781077.3831065.566966.472943.512887.87864.556845.743209837.981598759.665883747.037928725.431542NA561.354511565.090775565.664011556.22244550.926202535.455471534.166402476.591319467.890296437.596282437.75172397.22407363.38902231.261122212.324133212.392596180.58038173.060533197.670151207.059649NA206.415243NANA
us-gaap:CommonStockValue ██▇▆▆▆▆▅▅▅▄▄▄▃▃▃▃▃▃▃▃▃▂▃▃▃▃▃▃▃▃▃▂▂▁▁▁▁▁▁▁1.4171.3371.2321.1591.1221.1061.0970.9480.9420.860.840.7570.6860.6250.6170.6170260.6134990.5185020.5140130.5140130.5138140.5138140.5096250.5361320.5361320.5359370.531280.531280.531280.527870.517870.517870.4578770.4571780.3390.3040.3040.2680370.2677870.2652870.264237NA0.257568NANA
us-gaap:AdditionalPaidInCapitalCommonStock █▇▆▆▅▅▅▄▄▄▄▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁1620.8981473.121317.1091222.9451182.4491163.1611154.9321003.355998.897893.471879.029785.364766.933713.001707.45702.240622701.397021624.585307621.931995619.179982618.403101617.921438616.244196632.766503632.30319631.568183629.880774629.579966631.889669630.644261623.993245623.82531582.842587582.279426493.211222474.091222474.091222456.112095455.994695455.139695454.654595NA450.686382NANA
us-gaap:RetainedEarningsAccumulatedDeficit █▇▆▄▃▂▆▆▆▆▆▆▅▅▅▅▄▄▄▄▄▄▄▄▄▄▃▃▁▁▁▁▁▂▁▂▂▁▁▂▂-12.084-35.498-63.442-120.539-167.165-177.589-60.92-65.79-72.321-74.589-74.133-78.316-87.128-88.528-101.926-112.069714-117.379709-118.263597-125.134403-137.44112-140.103326-142.631782-136.118001-133.491962-141.18773-144.038797-152.483322-150.966676-207.803092-212.74841-212.231319-209.207115-207.260372-205.076703-207.558257-203.849948-203.130388-216.857715-221.01588-193.230327-190.784443NA-180.689667NANA
us-gaap:MinorityInterest ▁▄▃▂▅▅██▇▇█▇██▇▇▇▆▆123.909142.261138.314130.199151.87149.872171.417170.382168.959168.14170.328169.159173.513173.264168.731165.241301163.401655162.729567159.897193NANANANANANANANANANANA0.00.9640781.9354381.9352571.9317731.9317811.9327611.9327621.9341281.9341351.935071NA1.999862NANA
us-gaap:StockIssuedDuringPeriodValueNewIssues ██▅▃▂▂▇▁▆▁▅▁▃▁▁▁169.581158.433104.88540.54218.58419.424142.5042.294115.585-2.902100.5090.00152.8933.0140.00.0NANA0.0NANANANANANANA0.00.00.06.5140.040.86-0.11382188.61457219.1550.0NANA0.00.0NANANANANA
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders ▄▄▄▄▅▅▅▄▄▄█▄▄▂▂▂▂▁▁5.9715.7965.6425.886.1126.116.1455.945.7365.5668.6755.3085.3074.4584.0336933.8215383.8215393.609233.396923NANANANANANANANANANANA0.9640781.00.10.0501670.0539770.10.10.0551770.0540440.10.1NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▆▂▂█▂▁▄▁▅▄▂▃▃▄▄▅▄▁▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃236.491491.09-248.536-230.031766.967-233.235-283.688134.849-346.087268.389157.801-214.149-2.18420.79772.93254879.986058235.34239472.573-346.586767131.28163213.849543.8375950.74817916.07898617.2487972.2717275.97459611.3361728.9116174.5729710.0036129.41619911.2468691.8556648.7135294.29277.595322-0.43554.3038585.9894962.924592-13.6075685.6822745.77234NA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁▂▅▇▆▄▅▇▅▆▆▇▅▆▄▆▆▇▇▆█▇▇▇█▆█▇█▇▇▇▆▇▇▇▇▇▇▇▇▇█▇-1142.733-871.272-344.929-83.771-217.17-510.754-312.212-54.086-490.045-138.397-131.659-32.164-359.078-158.974-557.107612-224.347418-171.4969745.0035.975135-194.516439100.52459-113.90028656.00028-31.93231149.376674-148.71057290.15058-7.62321566.688014-4.26347424.295295-4.422268-137.575164-82.374849-52.680739-27.62611946.783862-13.010682-29.116314-7.442815-20.22831716.43847367.10130441.045099NA
us-gaap:NetCashProvidedByUsedInFinancingActivities █▅█▄▁▇▇▂█▃▄▅▆▄▆▄▃▃▆▄▃▄▄▄▃▅▃▄▃▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄838.723375.451827.996137.24-597.165759.824781.131-270.804935.134-54.29119.193260.993407.709128.612503.798097148.353368-173.877465-65.43407.642345-25.328923-99.32919266.4867716.3473991.402495-141.996296201.455583-118.58159421.347466-60.490063-27.994877-28.5679168.95255699.075802129.29486332.307462-0.099754-43.5526411.66496920.6966618.409568-7.444818-36.81092.071985-42.672245NA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▃▄█▁▃▄▇▁▆▅▅▄▅▄▄▃▅▅-67.519-4.731234.531-176.562-47.36815.835185.231-190.04199.00275.70145.33514.6846.447-9.56521.882-46.10947.89352.146NANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
 us-gaap:AmortizationOfFinancingCosts us-gaap:DebtInstrument abr:CollateralizedLoanObligationsNineNA1.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AmortizationOfFinancingCosts us-gaap:DebtInstrument us-gaap:ConvertibleDebt▂▂▃▂▂▂█▂▂▂▂▂▄▂▁▁▁▁0.70.71.30.70.70.94.60.70.70.80.71.02.30.70.50.40.40.3NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AmortizationOfFinancingCosts us-gaap:DebtInstrument us-gaap:JuniorSubordinatedDebt▁▅▁▁▁▅▁▁▁▅▁▁▁▆▁▁▁▆▁▁▁█0.01.8-0.10.00.01.90.00.00.02.00.0-0.10.02.20.0-0.10.02.3-0.10.00.03.2NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DeferredIncomeTaxExpenseBenefit ▆▇█▅▃▁▆▆▆▅▆▆▆▃▄▆▆▆-0.0474.4869.898-3.9-10.9-19.9041.1762.20.9-4.1682.4211.30.2-13.32-7.4140.90.91.827NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DeferredIncomeTaxExpenseBenefit us-gaap:Range srt:Maximum-0.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▁█-7.74.898NANA-89.94491.433NANANANANANANANANANANANANANANA0.061383NANANA6.468321NANANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▆▂▂█▂▁▄▁▅▄▂▃▃▄▄▅▄▁▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃236.491491.09-248.536-230.031766.967-233.235-283.688134.849-346.087268.389157.801-214.149-2.18420.79772.93254879.986058235.34239472.573-346.586767131.28163213.849543.8375950.74817916.07898617.2487972.2717275.97459611.3361728.9116174.5729710.0036129.41619911.2468691.8556648.7135294.29277.595322-0.43554.3038585.9894962.924592-13.6075685.6822745.77234NA
us-gaap:ProfitLoss ▆▆▇▇▅▁▅▅▅▄▅▅▄▅▅▄▄▄▅▄▄▄▄▄▄▄▄▆▄▄▄▄▄▄▃▃▄▄▂▃▃▃▂▃█84.25781.11112.70297.72154.089-68.35644.61143.21637.40230.00648.94437.42424.61237.06831.28223.97057218.31149523.94370830.90465516.42603412.1268783.0233266.91065617.23218912.3870716.8988996.93772665.29055113.3545227.4656914.7774765.0917274.2023167.227218-0.213272.11430515.5998294.215591-27.727861-2.388184-10.3008570.320845-41.089459-1.353994129.141897
us-gaap:ShareBasedCompensation ▅▇▄▇▂█▅▅▄█▃▃▃▆▃▃▂▅▂▂▂▄▂▂▂▄▂▂▃▁▁▁▂▂▁▁▂▁▃2.0453.331.763.4850.2843.5171.942.3161.5023.7561.2571.1931.12.5451.0066390.8471280.6817112.3045220.5733660.777080.4816631.6814310.5521020.4633130.7352021.6920660.3008080.2927971.2488180.1470160.1679350.1827160.6776810.571810.00.00.524590.05360.92155NANANA0.0NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁▂▅▇▆▄▅▇▅▆▆▇▅▆▄▆▆▇▇▆█▇▇▇█▆█▇█▇▇▇▆▇▇▇▇▇▇▇▇▇█▇-1142.733-871.272-344.929-83.771-217.17-510.754-312.212-54.086-490.045-138.397-131.659-32.164-359.078-158.974-557.107612-224.347418-171.4969745.0035.975135-194.516439100.52459-113.90028656.00028-31.93231149.376674-148.71057290.15058-7.62321566.688014-4.26347424.295295-4.422268-137.575164-82.374849-52.680739-27.62611946.783862-13.010682-29.116314-7.442815-20.22831716.43847367.10130441.045099NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInFinancingActivities █▅█▄▁▇▇▂█▃▄▅▆▄▆▄▃▃▆▄▃▄▄▄▃▅▃▄▃▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄838.723375.451827.996137.24-597.165759.824781.131-270.804935.134-54.29119.193260.993407.709128.612503.798097148.353368-173.877465-65.43407.642345-25.328923-99.32919266.4867716.3473991.402495-141.996296201.455583-118.58159421.347466-60.490063-27.994877-28.5679168.95255699.075802129.29486332.307462-0.099754-43.5526411.66496920.6966618.409568-7.444818-36.81092.071985-42.672245NA
us-gaap:PaymentsOfDividendsCommonStock ▇▆▅█▁▄▄▄▄▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁58.09849.21939.51869.0340.033.24930.66827.43226.64523.10120.43518.92115.76512.96211.72338811.10734711.0430458.738228.2242078.2223487.7072117.6442277.6443727.6443777.6445156.562056.562056.562056.517726.387726.387725.6078075.1764374.1545533.4374152.774923NANANANANANANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock NANA8.770.01.4711.2910.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANA0.00.0NANA2.7884522.802118NANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
 us-gaap:DebtInstrumentInterestRateStatedPercentage abr:Period,us-gaap:DebtInstrument abr:IssuedOnJuly202018,abr:ConvertibleSeniorUnsecuredNotes5.25NANA5.25e-06NANANA5.25e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage abr:Period,us-gaap:DebtInstrument abr:IssuedOnJuly32018,abr:ConvertibleSeniorUnsecuredNotes5.25NANA5.25e-06NANANA5.25e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument abr:ConvertibleSeniorUnsecuredNotes4.75▄▄4.75e-064.75e-06NA4.75e-064.75e-084.75e-084.75e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument abr:ConvertibleSeniorUnsecuredNotes5.25NA5.25e-065.25e-065.25e-065.25e-085.25e-085.25e-08NANANA5.25e-085.25e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument abr:ConvertibleSeniorUnsecuredNotes5.375NANA5.375e-065.375e-065.375e-085.375e-085.375e-085.375e-085.375e-085.375e-085.375e-085.375e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument abr:SeniorUnsecuredNotes4.504.5e-06NA4.5e-064.5e-064.5e-084.5e-084.5e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument abr:SeniorUnsecuredNotes8.008e-06NA8e-068e-068e-08NA8e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument abr:SeniorUnsecuredNotesDueInApril20245.75e-06NA5.75e-065.75e-065.7500000000000005e-085.7500000000000005e-085.7500000000000005e-08NANA5.7500000000000005e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument abr:SeniorUnsecuredNotesDueInMay20235.625e-06NA5.625e-065.625e-065.6250000000000004e-085.6250000000000004e-085.6250000000000004e-08NANANANANANA5.6250000000000004e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument abr:SeniorUnsecuredNotesDueInOctober20244.75e-06NA4.75e-064.75e-064.75e-08NA4.75e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LineOfCreditFacility abr:CreditFacilityToFinanceSingleFamilyRentalProperties,abr:StructuredLoansNANA4e-06NANANA4e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:StatementBusinessSegments abr:CreditFacility50MillionOne,abr:AgencyBusinessSegmentNANA2.875e-06NANANA2.8750000000000003e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:SubsequentEventType abr:SeniorUnsecuredNotesDueIn2026,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range,us-gaap:DebtInstrument,us-gaap:StatementBusinessSegments srt:Maximum,abr:LoanSpecificCreditFacilities,abr:StructuredTransactionBusinessSegmentNANA4e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range,us-gaap:DebtInstrument,us-gaap:StatementBusinessSegments srt:Minimum,abr:LoanSpecificCreditFacilities,abr:StructuredTransactionBusinessSegmentNANA3.5e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range,us-gaap:DebtInstrument,us-gaap:StatementBusinessSegments,us-gaap:VariableRate srt:Maximum,abr:SingleFamilyRentalPropertiesRepurchaseFacility200Million,abr:StructuredTransactionBusinessSegment,us-gaap:LondonInterbankOfferedRateLIBORNA0.000275NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range,us-gaap:DebtInstrument,us-gaap:StatementBusinessSegments,us-gaap:VariableRate srt:Maximum,abr:WarehouseRepurchaseFacility100Million,abr:StructuredTransactionBusinessSegment,us-gaap:LondonInterbankOfferedRateLIBORNANANA0.000195NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range,us-gaap:DebtInstrument,us-gaap:StatementBusinessSegments,us-gaap:VariableRate srt:Minimum,abr:SingleFamilyRentalPropertiesRepurchaseFacility200Million,abr:StructuredTransactionBusinessSegment,us-gaap:LondonInterbankOfferedRateLIBORNA0.000175NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range,us-gaap:DebtInstrument,us-gaap:StatementBusinessSegments,us-gaap:VariableRate srt:Minimum,abr:WarehouseRepurchaseFacility100Million,abr:StructuredTransactionBusinessSegment,us-gaap:LondonInterbankOfferedRateLIBORNANANA0.000175NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:StatementClassOfStock,us-gaap:StatementEquityComponents abr:SeriesDCumulativeRedeemablePreferredStock6.375SeriesDPreferredStock,us-gaap:PreferredStockNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1417000.01337000.01232000.01159000.01122000.01106000.01097000.0948000.0942000.0860000.0840000.0757000.0686000.0625000.0617000.0617030.0613500.0518500.0514010.0514010.0513810.0513810.0509620.0536130.0536130.0535940.0531280.0531280.0531280.0527870.0517870.0517870.0457880.0457180.0339000.0304000.0304000.0268040.0267790.0265290.0264240.0257570.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Preferred Stock Par Or Stated Value Per Share

us-gaap:PreferredStockParOrStatedValuePerShare us-gaap:ConsolidatedEntities, us-gaap:StatementClassOfStock

us-gaap:PreferredStockParOrStatedValuePerShare

srt:PartnershipInterest, abr:SpecialVotingPreferredStock


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.010.010.010.010.010.010.010.010.016.80.010.01
Percentage of PreferredStockParOrStatedValuePerShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value1531431331311311171131079890848379737051515050505050494343342825242525252525
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value1351251131101109489857465616156515151515050505050494343332724242525242525
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.510.550.840.720.4-0.540.350.360.320.270.480.370.260.420.350.270.210.30.40.210.20.020.10.30.210.30.11.260.230.120.070.080.070.2-0.010.070.620.17-1.15-0.1-0.410.01-1.61-0.065.07
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.510.550.820.720.4-0.540.340.350.310.260.470.360.250.420.350.260.210.30.40.210.20.020.10.30.210.30.11.260.230.120.070.080.070.19-0.010.070.620.17-1.15-0.1-0.410.01-1.64-0.065.05
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Gain Loss On Investments

us-gaap:GainLossOnInvestments us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:GainLossOnInvestments

abr:RealEstateInvestmentFund, abr:AcmConsortiumOfInvestorsAndCertainExecutives


Gain
Period End2020-09-302020-06-30
Value-100000.0-500000.0
Percentage of GainLossOnInvestments100.0100.0
Percentage of InterestIncomeOperating-0.1-0.6
Percentage of InterestIncomeOperating abr:RealEstateInvestmentFund abr:AcmConsortiumOfInvestorsAndCertainExecutives0.00.0

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.0-1.370.00.0-1.592-1.954-7.3110.00.0-0.128-0.082-4.96-0.0002430.00.07.1162430.01.1677720.03.7630.04.144688205.3461212.9585565.1004621.92670.89250.011171
Percentage of GainsLossesOnExtinguishmentOfDebt0.0100.00.00.0100.0100.0100.00.00.0100.0100.0100.0100.00.00.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0
Percentage of InterestIncomeOperating0.0-1.50.00.0-1.9-2.20.00.00.0-0.20.0-7.30.00.00.021.20.04.50.016.40.020.7107.527.30.027.510.45.00.047.4661.2

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Gains
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-31
Value0.0-1.370.00.0-1.592-1.954-7.3110.00.0-0.128-0.081-4.96-0.0002430.00.07.116243
Percentage of GainsLossesOnExtinguishmentOfDebt0.0100.00.00.0100.0100.0100.00.00.0100.098.8100.0100.00.00.0100.0
Percentage of InterestIncomeOperating0.0-1.50.00.0-1.9-2.20.00.00.0-0.20.0-7.30.00.00.021.2
Percentage of InterestIncomeOperating us-gaap:OperatingSegments abr:StructuredTransactionBusinessSegment0.0-1.60.00.0-2.1-2.50.00.00.0-0.20.0-8.10.00.00.025.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302012-12-312012-09-302012-06-302012-03-312010-06-30
Value1012241712-14.374.0726.6234.35-0.018.6355.3814.499-8.784-2.8856.7083.4356.1010.5250.3-0.2750.2750.6-1.4015581.8
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating10.413.70.021.814.5-16.20.08.25.3-0.00.08.07.6-17.00.015.910.018.20.01.00.01.43.1-7.17.0

us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value107.509191111-14.4533.4056.6234.35-0.018.9095.3814.999-8.784-3.8426.7083.4356.1010.5250.3
Percentage of IncomeTaxExpenseBenefit93.860.180.163.598.6100.683.6100.0100.0100.0103.2100.0111.1100.0133.2100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating9.88.20.013.814.3-16.30.08.25.3-0.00.08.08.4-17.00.015.910.018.20.01.0
Percentage of InterestIncomeOperating us-gaap:OperatingSegments abr:AgencyBusinessSegment118.894.60.0181.2135.6-143.80.099.172.2-0.20.085.897.7-200.70.0137.475.5121.60.010.9

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-30
Value0.6824.9834.9666.4940.1640.083-0.2740.0-0.5
Percentage of IncomeTaxExpenseBenefit6.239.919.936.51.4-0.6-3.20.0-11.1
Percentage of InterestIncomeOperating0.65.50.07.90.20.10.00.0-0.8
Percentage of InterestIncomeOperating us-gaap:OperatingSegments abr:StructuredTransactionBusinessSegment0.76.00.08.60.20.10.00.0-0.9

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value250.54812191.1511.6813.9252.5112.0083.4755.8536.983.7186.1695011.201878120.75-0.0346540.185855
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating24.00.60.024.51.41.90.03.113.62.80.08.711.87.20.02.936.92.20.00.6

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value464240374149484848414239373326232019201613121211111313121110101010109.8245429.5100839.7708071111111513131516
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating44.146.30.046.449.756.50.059.758.858.70.058.663.964.70.056.659.258.00.057.247.349.40.045.744.051.20.041.644.042.50.041.442.546.30.047.550.160.00.061.685.072.40.061.162.5

us-gaap:InterestExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


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
Value3.633.964.472.6364.5636.5834.5664.8553.5683.6085.6044.043.2722.8533.1431022.9746032.7373023.2339932.2063171.680561
Percentage of InterestExpense7.89.411.27.011.013.29.510.17.48.613.010.28.68.511.912.513.416.610.79.9
Percentage of InterestIncomeOperating3.54.30.03.25.57.40.06.04.35.10.06.05.55.50.07.17.99.60.05.7
Percentage of InterestIncomeOperating us-gaap:OperatingSegments abr:AgencyBusinessSegment42.049.90.042.351.965.50.072.759.266.00.064.563.965.20.060.960.264.50.061.3

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value423835353643434344383735343022191615171411
Percentage of InterestExpense92.290.688.893.089.086.890.589.992.691.487.089.891.490.584.483.581.978.484.785.2100.0
Percentage of InterestIncomeOperating40.741.90.043.144.249.00.053.754.453.70.052.658.458.50.047.348.545.50.048.845.7
Percentage of InterestIncomeOperating us-gaap:OperatingSegments abr:StructuredTransactionBusinessSegment44.345.90.046.749.555.30.058.558.758.10.058.063.963.90.053.455.953.50.053.745.7

Interest Expense Debt

us-gaap:InterestExpenseDebt us-gaap:DebtInstrument

us-gaap:InterestExpenseDebt

us-gaap:ConvertibleDebt


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
Value4.84.85.24.84.85.2135.04.95.25.15.06.14.93.52.22.22.1
Percentage of InterestExpenseDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating4.65.30.05.95.85.90.06.26.07.30.07.410.39.50.05.26.46.3
Percentage of InterestIncomeOperating us-gaap:ConvertibleDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Income Expense Net

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestIncomeExpenseNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value5848464341383332332930272118191814141212171314142213121714141515131211109.7319067.8450077.3518257.1171592.7800214.9666187.0190589.6685879.689479
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating55.953.70.053.650.343.50.040.341.241.30.041.436.135.30.043.440.842.00.042.861.750.60.054.385.948.80.058.456.057.50.058.657.553.70.052.549.940.00.038.415.027.60.038.937.5

us-gaap:InterestIncomeExpenseNet us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


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
Value5.023.9744.0383.5944.2223.4663.3581.8252.4591.863.6512.2281.8461.5232.0599411.906341.8134131.7823061.600891.062515
Percentage of InterestIncomeExpenseNet8.58.18.88.210.19.09.95.67.36.312.08.08.68.410.510.412.912.713.28.4
Percentage of InterestIncomeOperating4.84.40.04.45.13.90.02.33.02.60.03.33.13.00.04.55.35.30.03.6
Percentage of InterestIncomeOperating us-gaap:OperatingSegments abr:AgencyBusinessSegment58.050.10.057.748.134.50.027.340.834.00.035.536.134.80.039.139.835.50.038.7

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value534442403735303031272625191718171313111214
Percentage of InterestIncomeExpenseNet91.591.991.291.889.991.090.194.492.793.788.092.091.493.494.494.893.994.294.798.2100.0
Percentage of InterestIncomeOperating51.149.40.049.245.239.60.038.038.238.70.038.133.033.00.041.238.339.60.042.054.3
Percentage of InterestIncomeOperating us-gaap:OperatingSegments abr:StructuredTransactionBusinessSegment55.754.10.053.350.544.70.041.541.341.90.042.036.136.10.046.644.146.50.046.354.3

Interest Income Operating

us-gaap:InterestIncomeOperating

us-gaap:InterestIncomeOperating


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1059186818388818082717367595146423433322927252726262726292524252524222020191918181818202425
Percentage of InterestIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeOperating us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


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
Value8.657.9348.5086.238.785107.9246.686.0275.4689.2556.2685.1184.3765.2030434.8809434.5507155.0162993.8072072.743076
Percentage of InterestIncomeOperating8.28.79.97.610.611.49.78.37.37.712.69.38.68.511.311.613.215.011.69.3
Percentage of InterestIncomeOperating8.28.79.97.610.611.49.78.37.37.712.69.38.68.511.311.613.215.011.69.3
Percentage of InterestIncomeOperating us-gaap:OperatingSegments abr:AgencyBusinessSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value968377757478747376656461544740372928282626
Percentage of InterestIncomeOperating91.891.390.192.489.488.690.391.792.792.387.490.791.491.588.788.486.885.088.490.7100.0
Percentage of InterestIncomeOperating91.891.390.192.489.488.690.391.792.792.387.490.791.491.588.788.486.885.088.490.7100.0
Percentage of InterestIncomeOperating us-gaap:OperatingSegments abr:StructuredTransactionBusinessSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value3936363233424536463936233127221820151613
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 InterestIncomeOperating37.339.842.239.540.548.255.645.056.755.050.134.852.653.348.742.758.444.851.144.9

Litigation Settlement Expense

us-gaap:LitigationSettlementExpense us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:IncomeStatementLocation, us-gaap:RealEstateProperties

us-gaap:LitigationSettlementExpense

srt:Hotel, us-gaap:SellingGeneralAndAdministrativeExpenses, abr:RealEstateOwned


Litigation
Period End2020-09-30
Value2500000.0
Percentage of LitigationSettlementExpense100.0
Percentage of InterestIncomeOperating0.0
Percentage of InterestIncomeOperating srt:Hotel us-gaap:SellingGeneralAndAdministrativeExpenses abr:RealEstateOwned0.0

us-gaap:LitigationSettlementExpense us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:RealEstateProperties

srt:Hotel, abr:RealEstateOwned


Litigation
Period End2020-09-30
Value2500000.0
Percentage of LitigationSettlementExpense100.0
Percentage of InterestIncomeOperating3.1
Percentage of InterestIncomeOperating srt:Hotel abr:RealEstateOwned0.0

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value8.7179.74314138.11-10.9347.1817.3636.5985.4689.8387.7995.5578.9917.5245.6611844.4936276.4416048.4816093.6494320.00.0167150.0538330.0536510.0539690.0539760.0538110.0538110.0540370.0540450.0538780.0536960.0540610.0540670.053898
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating8.310.716.516.99.8-12.48.89.18.07.713.411.69.417.416.313.413.019.225.912.30.00.10.20.20.30.30.30.30.30.30.30.30.30.20.2

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value8.7179.74314138.11-10.9347.1817.3636.5985.4689.8387.7995.5578.9917.5235.6624.494
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating8.310.716.516.99.8-12.48.89.18.07.713.411.69.417.416.313.413.0
Percentage of InterestIncomeOperating srt:ConsolidationEliminations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value6969968144-59.313533282237271726211611152010101.1348965.0222261510155.04929663115.8747613.3671713.6646792.9958666.640239-0.2672392.060329154.16178-27.781898-2.442229-10.3547350.267149-41.14352-1.408061
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating65.776.2112.1100.453.1-67.043.442.235.231.850.741.129.050.747.539.034.646.662.736.736.64.418.559.039.955.218.9213.845.023.613.014.212.328.9-1.310.379.721.2-148.1-13.2-55.81.5-200.5-5.7

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-8.717-9.743-14.196-13.836-8.1110-7.181-7.363-6.598-5.468-9.838-7.799-5.557-9.32-8.484-6.624-5.456
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic-12.6-14.0-14.7-16.9-18.4-18.4-20.2-21.7-22.8-24.1-26.4-28.1-32.4-35.6-38.8-40.3-45.7
Percentage of InterestIncomeOperating-8.3-10.7-16.5-16.9-9.812.4-8.8-9.1-8.0-7.7-13.4-11.6-9.4-18.1-18.4-15.7-15.8
Percentage of InterestIncomeOperating srt:ConsolidationEliminations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


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
Value3435704021-33.6353322151342191331281713122613
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic50.350.973.449.648.456.793.467.254.057.8113.969.778.6119.0131.5104.0113.283.0131.2128.4
Percentage of InterestIncomeOperating33.038.882.349.825.7-38.040.528.319.018.457.828.622.860.462.540.539.238.682.347.2
Percentage of InterestIncomeOperating us-gaap:OperatingSegments abr:AgencyBusinessSegment401.6445.3833.3652.9243.0-334.7419.1341.5259.1239.3458.2308.4263.7712.2552.7349.9296.7258.2707.8509.9

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


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
Value4343395530-36.6099.511819154.655169.2264.3411.5990815.9652263.882353103.0321817.788831
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic62.463.241.367.370.061.726.854.568.866.412.558.453.716.67.336.332.564.514.871.5
Percentage of InterestIncomeOperating41.048.246.367.537.1-41.411.623.024.221.16.324.015.68.43.514.211.330.09.326.3
Percentage of InterestIncomeOperating us-gaap:OperatingSegments abr:StructuredTransactionBusinessSegment44.752.751.473.141.5-46.612.825.126.122.87.326.517.09.23.916.013.035.310.529.0

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value77791109552-70.2444241352847352235292216222014101.1348965.022226151015
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating74.086.9128.6117.362.8-79.352.151.343.239.464.152.638.368.263.852.447.665.862.749.136.64.418.559.039.955.2

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value495647356112541484546503440433736373832352517181819181418171616171819182024224125239.866434452340
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating47.161.755.443.773.6141.950.860.755.364.968.551.568.585.082.586.8107.5114.197.8120.690.069.666.270.572.468.655.763.570.466.461.968.876.283.086.7101.2123.7117.0222.1140.2125.754.8220.593.9155.1

us-gaap:OperatingExpenses us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value3940302636532732293027302729252226252118
Percentage of OperatingExpenses80.771.965.073.859.342.565.766.964.165.954.786.567.066.567.562.670.267.366.952.0
Percentage of InterestIncomeOperating38.044.436.032.343.660.333.440.635.442.837.544.545.956.555.754.375.576.765.462.7
Percentage of InterestIncomeOperating us-gaap:OperatingSegments abr:AgencyBusinessSegment461.5510.2364.2423.0412.4531.0345.3489.4483.3557.7297.2479.3531.3666.3493.1469.2571.7512.8562.6677.1

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value9.56615169.371247214161615224.698131412131112101017
Percentage of OperatingExpenses19.328.135.026.240.757.534.333.135.934.145.313.533.033.532.537.429.832.733.130.193.9
Percentage of InterestIncomeOperating9.117.319.411.530.081.617.520.119.922.231.07.022.628.526.832.532.037.432.436.366.2
Percentage of InterestIncomeOperating us-gaap:OperatingSegments abr:StructuredTransactionBusinessSegment9.919.021.512.433.592.119.321.921.524.035.57.724.831.130.236.836.943.936.740.066.2

us-gaap:OperatingExpenses us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

abr:ArborResidentialInvestorLLLC


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value230246159352154
Percentage of OperatingExpenses465.1438.2445.9575.7122.8
Percentage of InterestIncomeOperating218.9270.5195.0423.7174.2
Percentage of InterestIncomeOperating abr:ArborResidentialInvestorLLLC0.00.00.00.00.0

Preferred Stock Dividends Income Statement Impact

us-gaap:PreferredStockDividendsIncomeStatementImpact

us-gaap:PreferredStockDividendsIncomeStatementImpact


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value6414000.01888000.01889000.01888000.01888000.01888000.01888000.01888000.01888000.01888000.01888000.01888000.01888000.01888000.01888000.01888000.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888500.01590900.01410300.01410300.01152600.0533330.0
Percentage of PreferredStockDividendsIncomeStatementImpact100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating6.12.12.22.32.32.12.32.32.32.62.62.83.23.74.14.55.55.65.86.46.87.36.97.37.26.97.16.47.46.45.45.54.72.3

us-gaap:PreferredStockDividendsIncomeStatementImpact us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value6414000.01888000.01889000.01888000.01888000.01888000.01889000.01888000.01888000.01888000.01889000.01888000.01888000.01888000.01889000.01888000.01888400.01888400.0
Percentage of PreferredStockDividendsIncomeStatementImpact100.0100.0100.0100.0100.0100.0100.1100.0100.0100.0100.1100.0100.0100.0100.1100.0100.0100.0
Percentage of InterestIncomeOperating6.12.12.22.32.32.12.32.32.32.62.62.83.23.74.14.55.55.6
Percentage of InterestIncomeOperating us-gaap:OperatingSegments abr:StructuredTransactionBusinessSegment6.62.32.42.52.52.42.62.62.52.92.93.13.54.04.65.16.36.6

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value84811129754-68.3564443373048372437312318233016123.0233266.9106561712166.93772665137.4656914.7774765.0917274.2023167.227218-0.213272.114305154.215591-27.727861-2.388184-10.3008570.320845-41.089459-1.353994129
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating80.189.0130.8119.665.1-77.254.453.745.542.166.755.441.571.867.956.953.171.494.455.443.411.725.466.247.062.126.0220.152.430.018.419.817.331.4-1.010.680.021.5-147.8-12.9-55.51.8-200.2-5.4499.3

us-gaap:ProfitLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value3435704021-33.6353322151342191331281713122613
Percentage of ProfitLoss41.243.662.941.639.549.274.452.841.843.686.651.654.884.191.971.273.754.187.285.1
Percentage of InterestIncomeOperating33.038.882.349.825.7-38.040.528.319.018.457.828.622.860.462.540.539.238.682.347.2
Percentage of InterestIncomeOperating us-gaap:OperatingSegments abr:AgencyBusinessSegment401.6445.3833.3652.9243.0-334.7419.1341.5259.1239.3458.2308.4263.7712.2552.7349.9296.7258.2707.8509.9

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value4945415732-34.721112021166.54418116.2293.4877917.8536565.770783114.9197849.67726118
Percentage of ProfitLoss58.856.437.158.460.550.825.647.258.256.413.448.445.216.811.132.831.549.915.958.9106.5
Percentage of InterestIncomeOperating47.150.248.569.839.4-39.213.925.326.523.78.926.818.712.17.618.616.735.715.032.770.5
Percentage of InterestIncomeOperating us-gaap:OperatingSegments abr:StructuredTransactionBusinessSegment51.355.053.875.644.1-44.215.427.628.625.710.229.620.513.28.521.119.341.917.036.070.5

us-gaap:ProfitLoss us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

abr:ArborResidentialInvestorLLLC


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value3311920116419
Percentage of ProfitLoss40.3147.7206.6303.8-28.0
Percentage of InterestIncomeOperating32.3131.4247.2197.821.6
Percentage of InterestIncomeOperating abr:ArborResidentialInvestorLLLC0.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value8.7179.74314138.11-10.9347.1817.3636.5985.4689.8387.7995.5568.9917.5235855.6611844.4936276.4416048.4816090.00.0167150.0538330.0536510.0539690.0539760.0538110.0538110.0540370.054045
Percentage of ProfitLoss10.312.012.614.215.016.016.117.017.618.220.120.822.624.324.123.624.526.927.40.00.31.30.7-25.32.60.31.3-0.2-2.3
Percentage of InterestIncomeOperating8.310.716.516.99.8-12.48.89.18.07.713.411.69.417.416.313.413.019.225.90.00.10.20.20.30.30.30.30.30.3
Percentage of InterestIncomeOperating us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value7571988345-57.422373530243929192823181317224.7774765.0750124.1484837.173567-0.2672392.060329154.16178-27.781898-2.442229
Percentage of ProfitLoss89.788.087.485.885.084.083.983.082.481.879.979.277.475.776.076.475.573.172.6100.099.798.799.3125.397.499.798.7100.2102.3
Percentage of InterestIncomeOperating71.878.3114.3102.755.3-64.945.744.537.534.453.343.932.154.451.643.440.152.268.518.419.717.131.2-1.310.379.721.2-148.1-13.2
Percentage of InterestIncomeOperating us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value7571988345-57.42237353024392919282318131722166.93772665137.4656914.7774765.0750124.1484837.173567-0.2672392.060329154.16178-27.781898-2.442229
Percentage of ProfitLoss89.788.087.485.885.084.083.983.082.481.879.979.277.475.776.076.475.573.172.6100.0100.0100.0100.0100.0100.099.798.799.3125.397.499.798.7100.2102.3
Percentage of InterestIncomeOperating71.878.3114.3102.755.3-64.945.744.537.534.453.343.932.154.451.643.440.152.268.562.126.0220.152.430.018.419.717.131.2-1.310.379.721.2-148.1-13.2
Percentage of InterestIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value11108.3359.3568.606119.20710109.7619.2919.9948.8738.9157.602257.6069367.8349277.6938877.3090275.9030311.7193372.6554763.5406693.1795342.9078042.897812.0930422.3300333.1948451.9822192.144163.3000712.9697332.1892832.1601531.8707592.1917691.6602332.2515552.2926281.5837931.1978251.4823221.9854712.250402
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating10.611.99.711.510.412.511.213.512.813.712.714.815.017.316.518.122.722.922.319.96.110.313.012.211.010.77.97.912.58.08.312.812.29.510.49.311.28.512.012.48.56.77.28.08.7

us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value5.8856.3055.2764.6915.0736.6026.2095.535.1535.345.1495.5295.3765.3774.8304894.5928984.9374324.6121814.1518653.720625
Percentage of SellingGeneralAndAdministrativeExpense52.958.363.350.158.959.767.450.849.254.755.455.360.660.363.560.463.059.956.863.0
Percentage of InterestIncomeOperating5.66.96.15.76.17.57.66.96.37.57.08.29.110.410.510.914.313.812.712.6
Percentage of InterestIncomeOperating us-gaap:OperatingSegments abr:AgencyBusinessSegment68.079.562.075.357.765.778.482.885.597.755.688.2105.0122.992.894.1108.591.9109.1135.6

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value5.2484.5133.0594.6653.5334.452.9985.3525.3284.4214.1424.4653.4973.5382.7717613.0140382.8974953.0817063.1571622.1824062.063408
Percentage of SellingGeneralAndAdministrativeExpense47.141.736.749.941.140.332.649.250.845.344.644.739.439.736.539.637.040.143.237.064.9
Percentage of InterestIncomeOperating5.05.03.65.74.35.03.76.66.56.25.66.65.96.96.07.28.49.29.67.47.9
Percentage of InterestIncomeOperating us-gaap:OperatingSegments abr:StructuredTransactionBusinessSegment5.45.43.96.24.85.74.07.27.06.76.57.36.57.56.88.19.710.810.98.17.9

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value906081307660668963906934623953955601459746124534420437483625305829352914297026501916187218271847183319011880191719021900187719761933185617011666169017531776174917631731
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

abr:ConsolidatedClosAndDebtFund


Assetsus-gaap:
Period End2020-12-312019-12-31
Value31342784
Percentage of Assets40.944.6
Percentage of Assets40.944.6
Percentage of Assets abr:ConsolidatedClosAndDebtFund100.0100.0

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsus-gaap:
Period End2020-12-31
Value540
Percentage of Assets7.1
Percentage of Assets7.1
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value42503438313431123127323327842198
Percentage of Assets46.942.340.946.548.946.644.647.7
Percentage of Assets46.942.340.946.548.946.644.647.7
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities, us-gaap:FinancialInstrument

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, abr:AgencyPrivateLabelCertificates


Assetsus-gaap:
Period End2020-12-31
Value38
Percentage of Assets0.5
Percentage of Assets0.5
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary abr:AgencyPrivateLabelCertificates100.0

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, abr:BPieceBonds


Assetsus-gaap:
Period End2020-12-31
Value58
Percentage of Assets0.8
Percentage of Assets0.8
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary abr:BPieceBonds100.0

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, abr:SingleFamilyRentalBonds


Assetsus-gaap:
Period End2020-12-31
Value10.0
Percentage of Assets0.1
Percentage of Assets0.1
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary abr:SingleFamilyRentalBonds100.0

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, us-gaap:DebtSecurities


Assetsus-gaap:
Period End2020-12-31
Value419
Percentage of Assets5.5
Percentage of Assets5.5
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary us-gaap:DebtSecurities100.0

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, us-gaap:EquitySecurities


Assetsus-gaap:
Period End2020-12-31
Value12
Percentage of Assets0.2
Percentage of Assets0.2
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary us-gaap:EquitySecurities100.0

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, us-gaap:InterestOnlyStrip


Assetsus-gaap:
Period End2020-12-31
Value1.373
Percentage of Assets0.0
Percentage of Assets0.0
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary us-gaap:InterestOnlyStrip100.0

us-gaap:Assets us-gaap:ConsolidatedEntities, us-gaap:UnderlyingAssetClass

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:CollateralizedLoanObligations


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-31
Value425034383134
Percentage of Assets46.942.340.9
Percentage of Assets46.942.340.9
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:CollateralizedLoanObligations100.0100.0100.0

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

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value13491476178413011026163613831057116978110269827717247677787989791058681
Percentage of Assets14.918.223.319.516.123.622.219.620.917.022.321.718.319.321.225.527.233.635.625.7
Percentage of Assets14.918.223.319.516.123.622.219.620.917.022.321.718.319.321.225.527.233.635.625.7
Percentage of Assets us-gaap:OperatingSegments abr:AgencyBusinessSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value771066545876538753635297485543384431381635853552343330242857227921361934191219681827
Percentage of Assets85.181.876.780.583.976.477.880.479.183.077.778.381.780.778.874.572.866.464.474.3100.0
Percentage of Assets85.181.876.780.583.976.477.880.479.183.077.778.381.780.778.874.572.866.464.474.3100.0
Percentage of Assets us-gaap:OperatingSegments abr:StructuredTransactionBusinessSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value710464606178536551325708488341974415352035463567326028602761221220972154222319241351131112621281127613501344138214261432143915381536149314701454147815721603155115561524
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets78.479.580.680.280.382.378.377.878.876.676.978.777.676.376.272.371.573.974.972.670.570.069.169.469.771.071.572.175.075.476.777.979.580.486.487.387.489.790.388.788.388.1

us-gaap:Liabilities us-gaap:ConsolidatedEntities

abr:ConsolidatedClosAndDebtFund


Liabilitiesus-gaap:
Period End2020-12-312019-12-31
Value25202209
Percentage of Liabilities40.845.2
Percentage of Assets32.935.4
Percentage of Assets abr:ConsolidatedClosAndDebtFund80.479.3

us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value34882816252025182517258522091665
Percentage of Liabilities49.143.640.846.949.045.345.247.0
Percentage of Assets38.534.632.937.739.437.335.436.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary82.181.980.480.980.580.079.375.8

us-gaap:Liabilities us-gaap:ConsolidatedEntities, us-gaap:UnderlyingAssetClass

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:CollateralizedLoanObligations


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-31
Value348828162520
Percentage of Liabilities49.143.640.8
Percentage of Assets38.534.632.9
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:CollateralizedLoanObligations82.181.980.4

us-gaap:Liabilities us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value5687101102702462917833553679300544563365339364407451633730369
Percentage of Liabilities8.011.017.813.19.016.117.113.215.48.515.415.811.211.913.218.421.529.432.919.2
Percentage of Assets6.38.714.410.57.213.213.410.312.16.511.812.48.79.110.113.315.421.724.613.9
Percentage of Assets us-gaap:OperatingSegments abr:AgencyBusinessSegment42.148.161.854.045.056.160.352.358.138.553.157.447.446.947.552.456.564.669.054.2

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value653557495076466346704790404936433736321930023003289525212345175315951469144115031260
Percentage of Liabilities92.089.082.286.991.083.982.986.884.691.584.684.288.888.184.979.376.068.264.878.199.9
Percentage of Assets72.170.766.369.773.169.164.967.566.770.065.166.268.967.364.757.354.350.448.556.769.0
Percentage of Assets us-gaap:OperatingSegments abr:StructuredTransactionBusinessSegment84.886.486.486.687.190.483.484.084.384.483.784.684.383.482.176.974.776.075.476.469.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value906081307660668963906934623953955601459746124534420437483625305829352914297026501916187218271847183319011880191719021900187719761933185617011666169017531776174917631731
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value183215281344119311051076118410281017909895797769714695680674596587570565565437436395361229210210178171195205204
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.218.817.517.817.315.519.019.118.219.819.417.618.319.119.222.323.020.519.821.529.530.923.322.120.419.513.512.612.410.29.611.211.611.8

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value21526033919238422229913519812416092106102104848010413871160145188115130105507247326064507729406453555942671012622640.832041
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.43.24.42.96.03.24.82.53.62.73.52.02.52.72.92.82.83.64.72.78.47.810.36.37.15.52.73.82.51.73.23.32.64.21.72.53.83.03.13.42.40.05.80.00.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value175193166881151153532827170472720675521383530
Percentage of CashAndCashEquivalentsAtCarryingValue81.374.349.246.130.151.911.824.141.557.444.151.426.120.064.565.927.136.925.642.0
Percentage of Assets1.92.42.21.31.81.70.60.61.51.61.51.00.70.51.91.80.71.31.21.1
Percentage of Assets us-gaap:OperatingSegments abr:AgencyBusinessSegment13.013.19.46.811.37.12.53.17.19.16.94.83.62.88.87.22.73.93.44.4

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value406617210326810626410211653894578823728586610341188
Percentage of CashAndCashEquivalentsAtCarryingValue18.725.750.853.969.948.188.275.958.542.655.948.673.980.035.534.172.963.174.458.0100.0
Percentage of Assets0.40.82.31.54.21.54.21.92.11.21.91.01.92.21.00.92.02.33.51.610.3
Percentage of Assets us-gaap:OperatingSegments abr:StructuredTransactionBusinessSegment0.51.02.91.95.02.05.42.42.61.42.51.32.32.71.31.32.83.45.42.110.3

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value464532536302479526510325515416340295280234243221267220167237
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.16.57.04.57.57.68.26.09.29.17.46.56.76.26.77.39.17.65.713.0

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value861047482644441363128212224232331323333413834302724214.8690665.0225024.5881074.6803064.6803065.69016959595959606060606565
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.31.01.21.00.60.70.70.60.60.50.50.60.60.71.01.11.11.11.62.01.91.71.51.31.10.30.30.20.20.20.33.13.23.53.63.63.43.43.43.73.8

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value8610474826444413631282122242323313233334130
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.31.01.21.00.60.70.70.60.60.50.50.60.60.71.01.11.11.11.61.7
Percentage of Assets us-gaap:OperatingSegments abr:StructuredTransactionBusinessSegment1.11.61.31.51.20.80.90.80.70.70.60.60.70.80.81.41.51.71.82.11.7

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

abr:AmacHoldingsIiiLlc


Investments
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value1314109.74610
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures16.013.513.911.825.2
Percentage of Assets0.20.20.10.10.2
Percentage of Assets abr:AmacHoldingsIiiLlc0.00.00.00.00.0

abr:ArborResidentialInvestorLLLC


Investments
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value6768596726
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures78.565.779.682.363.4
Percentage of Assets0.70.80.81.00.4
Percentage of Assets abr:ArborResidentialInvestorLLLC0.00.00.00.00.0

abr:CenturySummerfieldApartments


Investments
Period End2021-03-31
Value17
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures16.3
Percentage of Assets0.2
Percentage of Assets abr:CenturySummerfieldApartments0.0

abr:NorthVermontAvenue


Investments
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value2.4212.4212.4962.4732.44
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures2.82.33.43.05.8
Percentage of Assets0.00.00.00.00.0
Percentage of Assets abr:NorthVermontAvenue0.00.00.00.00.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-09-30
Value565656562627
Percentage of Goodwill100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.91.21.60.91.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4854596570
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0
Percentage of Assets0.60.91.31.82.4

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsNet

abr:BorrowerRelationships


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value7.989.42101213
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0
Percentage of Assets0.10.20.20.30.5
Percentage of Assets abr:BorrowerRelationships0.00.00.00.00.0

abr:BrokerRelationships


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1114172023
Percentage of FiniteLivedIntangibleAssetsNet138.7150.7159.5166.2171.5
Percentage of Assets0.10.20.40.60.8
Percentage of Assets abr:BrokerRelationships0.00.00.00.00.0

us-gaap:OffMarketFavorableLease


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value0.7771.4622.1992.9353.673
Percentage of FiniteLivedIntangibleAssetsNet9.715.520.223.926.7
Percentage of Assets0.00.00.00.10.1
Percentage of Assets us-gaap:OffMarketFavorableLease0.00.00.00.00.0

us-gaap:ServicingContracts


Finite
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-312017-12-312016-09-30
Value418406379335286273252224
Percentage of FiniteLivedIntangibleAssetsNet0.00.04761.60.03040.62520.92053.70.0
Percentage of Assets4.65.05.05.04.65.97.08.5
Percentage of Assets us-gaap:ServicingContracts0.00.00.00.00.00.00.00.0

Intangible Assets Net Including Goodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value103104105106108109110112113114116117118120121123119969799
Percentage of IntangibleAssetsNetIncludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.31.41.61.71.61.82.12.02.52.52.62.83.23.44.04.13.33.33.8

us-gaap:IntangibleAssetsNetIncludingGoodwill us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value9091929495969899100102103105106107109110107969799
Percentage of IntangibleAssetsNetIncludingGoodwill87.988.088.188.388.488.688.788.889.089.189.289.489.589.689.789.989.6100.0100.0100.0
Percentage of Assets1.01.11.21.41.51.41.61.81.82.22.22.32.52.93.03.63.73.33.33.8
Percentage of Assets us-gaap:OperatingSegments abr:AgencyBusinessSegment6.76.25.27.29.35.97.19.48.613.110.110.713.814.914.214.213.49.89.214.7

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1901851821751232241251121101088679726962494943484326292949475145484846545963555552494646454241
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.12.32.42.61.93.22.02.12.02.41.91.71.71.81.71.61.71.51.61.61.41.61.62.72.62.72.42.52.52.52.93.03.33.03.23.23.02.72.62.62.42.4

us-gaap:OtherAssets us-gaap:ConsolidatedEntities

abr:ConsolidatedClosAndDebtFund


Other
Period End2020-12-312019-12-31
Value2218
Percentage of OtherAssets12.414.6
Percentage of Assets0.30.3
Percentage of Assets abr:ConsolidatedClosAndDebtFund0.70.7

us-gaap:VariableInterestEntityPrimaryBeneficiary


Other
Period End2020-09-302020-06-302020-03-312019-12-31
Value15222018
Percentage of OtherAssets9.018.19.214.6
Percentage of Assets0.20.40.30.3
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.50.70.60.7

us-gaap:OtherAssets us-gaap:ConsolidatedEntities, us-gaap:UnderlyingAssetClass

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:CollateralizedLoanObligations


Other
Period End2021-06-302021-03-312020-12-31
Value262522
Percentage of OtherAssets14.113.912.4
Percentage of Assets0.30.30.3
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:CollateralizedLoanObligations0.60.70.7

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-312016-09-30
Value68056155587450904877548846783367259520681786
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets75.175.776.776.176.379.175.073.071.669.667.4

us-gaap:LongTermDebt us-gaap:DebtInstrument

us-gaap:ConvertibleDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value27026926726626526428425525325225426323523223195949480
Percentage of LongTermDebt4.04.44.65.25.44.86.10.00.00.07.60.00.00.08.90.00.00.03.9
Percentage of Assets3.03.33.54.04.23.84.64.74.55.55.55.85.66.26.43.13.23.22.7
Percentage of Assets us-gaap:ConvertibleDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1231421381301511491711701681681701691731731681651631621590.00.9640781.9354381.9352571.9317731.9317811.9327611.9327621.9341281.9341351.9350711.999862
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.71.81.92.42.22.73.23.03.73.73.74.14.64.75.45.65.65.40.00.00.10.10.10.10.10.10.10.10.10.1

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value8031000.08031000.08257000.07986000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0
Percentage of Assets0.10.10.10.1

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value7926000.07926000.08031000.07754000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0
Percentage of Assets0.10.10.10.1

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value7978000.07978000.07926000.07652000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0
Percentage of Assets0.10.10.10.1

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value8282000.08282000.07978000.07696000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0100.0100.0
Percentage of Assets0.10.10.10.1

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value26263434
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0100.0100.0100.0
Percentage of Assets0.30.30.40.5

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value69707171
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0
Percentage of Assets0.80.90.91.1

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value183215281344119311051076118410281017909895797769714695680674596587570565565437436395361229210210178171195205204
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.218.817.517.817.315.519.019.118.219.819.417.618.319.119.222.323.020.519.821.529.530.923.322.120.419.513.512.612.410.29.611.211.611.8

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value1956167014821323125712261356119811851077106596694388786484583775974772556156556555655053553447646743743739736323121221218017319720720698280
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.620.519.419.819.717.721.722.221.223.423.121.322.423.723.827.728.526.125.127.430.030.930.630.329.028.527.925.024.623.322.120.519.613.612.712.610.39.711.311.711.90.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value16201473131712221182116311541003998893879785766713707702701624621619617616632632631629629631630623623582582493474474456455455454450450447
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest82.888.288.892.494.094.985.283.784.282.982.581.381.380.381.883.083.782.283.385.4110.1109.1111.9113.7114.6117.6117.9132.6134.8142.6142.5146.7160.2213.3223.3223.2252.6263.5230.3219.6218.3456.6159.2
Percentage of Assets17.918.117.218.318.516.818.518.617.819.419.117.318.219.019.523.023.921.420.923.433.033.734.334.533.233.532.833.233.233.231.630.131.429.028.428.026.025.726.025.826.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value1.4171.3371.2321.1591.1221.1061.0970.9480.9420.860.840.7570.6860.6250.6170.6170260.6134990.5185020.5140130.5140130.5138140.5096250.5361320.5361320.5359370.531280.531280.531280.527870.517870.517870.4578770.4571780.3390.3040.3040.2680370.2677870.2652870.2642370.2575680.2566680.254218
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.10.10.10.30.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value1231421381301511491711701681681701691731731681651631621591540.9640781.9354381.9352571.9317731.9317811.9327611.9327621.9341281.9341351.9350711.9998621.940364-0.010981
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest6.38.59.39.812.112.212.614.214.215.616.017.518.419.519.519.519.521.421.421.30.20.50.50.80.90.91.11.11.00.91.02.0-0.0
Percentage of Assets1.41.71.81.92.42.22.73.23.03.73.73.74.14.64.75.45.65.65.45.80.00.10.10.10.10.10.10.10.10.10.10.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value18321528134411931105107611841028101790989579776971469568067459658757056553543743639536122921021017817119520520496281
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest93.791.590.790.287.987.887.485.885.884.484.082.581.680.580.580.580.578.678.678.7100.0100.0100.099.899.599.599.299.199.198.998.999.099.199.098.0100.0
Percentage of Assets20.218.817.517.817.315.519.019.118.219.819.417.618.319.119.222.323.020.519.821.530.928.523.322.120.419.513.512.612.410.29.611.211.611.80.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2228989898989898989898989898989898989898989898989898989898967676737
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest11.45.46.06.87.17.36.67.57.58.38.49.39.510.110.410.610.711.812.012.315.915.815.816.116.216.716.718.719.115.515.517.010.3
Percentage of Assets2.51.11.21.31.41.31.41.71.61.91.92.02.12.42.52.93.03.13.03.44.84.94.84.94.74.74.74.74.73.63.43.52.0
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value-12.084-35.498-63.442-120.539-167.165-177.589-60.92-65.79-72.321-74.589-74.133-78.316-87.128-88.528-101.926-112.069714-117.379709-118.263597-125.134403-137.44112-142.631782-136.118001-133.491962-141.18773-144.038797-152.483322-150.966676-207.803092-212.74841-212.231319-209.207115-207.260372-205.076703-207.558257-203.849948-203.130388-216.857715-221.01588-193.230327-190.784443-180.689667-293.585378-62.939722
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.6-2.1-4.3-9.1-13.3-14.5-4.5-5.5-6.1-6.9-7.0-8.1-9.2-10.0-11.8-13.3-14.0-15.6-16.8-18.9-25.4-24.1-23.6-25.4-26.1-28.5-28.3-43.6-45.5-48.5-47.8-52.2-56.4-89.8-96.0-95.6-120.1-127.7-97.8-92.1-87.5-297.7-22.4
Percentage of Assets-0.1-0.4-0.8-1.8-2.6-2.6-1.0-1.2-1.3-1.6-1.6-1.7-2.1-2.4-2.8-3.7-4.0-4.1-4.2-5.2-7.6-7.4-7.2-7.7-7.6-8.1-7.9-10.9-11.2-11.3-10.6-10.7-11.0-12.2-12.2-12.0-12.4-12.4-11.0-10.8-10.40.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1417000.01337000.01232000.01159000.01122000.01106000.01097000.0948000.0942000.0860000.0840000.0757000.0686000.0625000.0617000.0617030.0613500.0518500.0514010.0514010.0513810.0513810.0509620.0536130.0536130.0535940.0531280.0531280.0531280.0527870.0517870.0517870.0457880.0457180.0339000.0304000.0304000.0268040.0267790.0265290.0264240.0257570.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value16201473131712221182116311541003998893879785766713707702701624621619618617616632632631629629631630623623582582493474474456455455454450
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets17.918.117.218.318.516.818.518.617.819.419.117.318.219.019.523.023.921.420.923.432.333.033.734.334.533.233.532.833.233.233.231.630.131.429.028.428.026.025.726.025.826.0

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value-12084000.0-35498000.0-63442000.0-120540000.0-167160000.0-177590000.0-60920000.0-65790000.0-72321000.0-74589000.0-74133000.0-78316000.0-87128000.0-88528000.0-101930000.0-112070000.0-117380000.0-118260000.0-125130000.0-137440000.0-140100000.0-142630000.0-136120000.0-133490000.0-141190000.0-144040000.0-152480000.0-150970000.0-207800000.0-212750000.0-212230000.0-209210000.0-207260000.0-205080000.0-207560000.0-203850000.0-203130000.0-216860000.0-221020000.0-193230000.0-190780000.0-180690000.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.1-0.4-0.8-1.8-2.6-2.6-1.0-1.2-1.3-1.6-1.6-1.7-2.1-2.4-2.8-3.7-4.0-4.1-4.2-5.2-7.3-7.6-7.4-7.2-7.7-7.6-8.1-7.9-10.9-11.2-11.3-10.6-10.7-11.0-12.2-12.2-12.0-12.4-12.4-11.0-10.8-10.4

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1231421381301511491711701681681701691731731681651631621590.00.9640781.9354381.9352571.9317731.9317811.9327611.9327621.9341281.9341351.9350711.999862
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.71.81.92.42.22.73.23.03.73.73.74.14.64.75.45.65.65.40.00.00.10.10.10.10.10.10.10.10.10.1

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-30
Value1691581044018191422.294115-2.9021000.001523.0140.00.00.00.00.00.06.5140.040-0.11382188190.00.00.0
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0100.00.0100.0100.0100.0100.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementClassOfStock

abr:SeriesDCumulativeRedeemablePreferredStock6.375Percent


Stock
Period End2021-06-30
Value222
Percentage of StockIssuedDuringPeriodValueNewIssues131.2
Percentage of Assets0.0
Percentage of Assets abr:SeriesDCumulativeRedeemablePreferredStock6.375Percent0.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

abr:SeriesDCumulativeRedeemablePreferredStock6.375Percent, us-gaap:Parent


Stock
Period End2021-06-30
Value222
Percentage of StockIssuedDuringPeriodValueNewIssues131.2
Percentage of Assets0.0
Percentage of Assets abr:SeriesDCumulativeRedeemablePreferredStock6.375Percent us-gaap:Parent0.0

abr:SeriesDCumulativeRedeemablePreferredStock6.375Percent, us-gaap:PreferredStock


Stock
Period End2021-06-30
Value222
Percentage of StockIssuedDuringPeriodValueNewIssues131.2
Percentage of Assets0.0
Percentage of Assets abr:SeriesDCumulativeRedeemablePreferredStock6.375Percent us-gaap:PreferredStock0.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-30
Value1691581044018191422.292115-2.9041000.001523.010.00.00.00.00.06.5040.040-0.11382188190.00.00.0
Percentage of StockIssuedDuringPeriodValueNewIssues99.999.999.999.999.999.999.999.999.9100.199.9100.099.999.90.00.00.00.00.099.80.099.9100.099.999.80.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-30
Value0.0930.1010.0790.0360.0190.0140.1050.0020.0910.0020.0870.00.0610.0040.00.00.00.00.00.010.00.060.00.116250.0350.00.00.0
Percentage of StockIssuedDuringPeriodValueNewIssues0.10.10.10.10.10.10.10.10.1-0.10.10.00.10.10.00.00.00.00.00.20.00.1-0.00.10.20.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-30
Value1691581044018191422.294115-2.9021000.001523.0140.00.00.00.040-0.11382188190.00.00.0
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value5.9715.7965.6425.886.1126.116.1455.945.7365.5668.6755.3085.3074.4584.0336933.8215383.8215393.609233.3969230.9640781.00.10.0501670.0539770.10.10.0551770.0540440.10.1
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value5.9715.7965.6425.886.1126.116.1455.945.7365.5668.6755.3085.3074.4584.0336933.8215383.8215393.609233.3969230.9640780.9880750.0536520.0501670.0539770.0549560.0538120.0551770.0540440.054981
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.098.853.7100.0100.055.053.8100.0100.055.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value236491-248.536-230.031766-233.235-283.688134-346.087268157-214.149-2.18420727923572-346.586767131133.8375950.74817916172.2717275.974596118.9116174.5729710.0036129.416199111.8556648.7135294.29277.595322-0.43554.3038585.9894962.924592-13.6075685.6822745.77234
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating224.9538.8-288.5-281.6923.2-263.5-346.0167.5-421.2376.5215.1-317.3-3.740.3158.4189.8682.8216.5-1058.3443.049.514.92.861.865.58.322.438.235.018.40.036.646.28.141.821.438.9-2.222.932.315.7-75.627.723.2

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-1142.733-871.272-344.929-83.771-217.17-510.754-312.212-54.086-490.045-138.397-131.659-32.164-359.078-158.974-557.107612-224.347418-171.49697455.975135-194.516439100-113.90028656-31.93231149-148.71057290-7.62321566-4.26347424-4.422268-137.575164-82.374849-52.680739-27.62611946-13.010682-29.116314-7.442815-20.228317166741
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating-1086.8-955.9-400.3-102.5-261.4-577.0-380.8-67.2-596.4-194.2-179.5-47.7-605.6-308.0-1209.9-532.4-497.6134.218.2-656.3359.4-441.2205.9-122.7567.1-546.5338.2-25.7261.6-17.193.5-17.2-565.5-358.3-252.6-137.9239.9-66.4-155.2-40.2-108.991.3326.9165.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value838375827137-597.165759781-270.804935-54.29119260407128503148-173.877465-65.43407-25.328923-99.32919266161.402495-141.996296201-118.58159421-60.490063-27.994877-28.5679168.9525569912932-0.099754-43.55264112018-7.444818-36.81092.071985-42.672245
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating797.7411.9961.0168.0-718.8858.3952.8-336.41138.0-76.226.2386.7687.6249.21094.2352.1-504.5-195.21244.8-85.5-355.1257.560.15.4-539.1740.4-444.972.0-237.3-112.4-110.034.8407.2562.4154.9-0.5-223.359.5110.399.4-40.1-204.410.1-171.5

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-67.519-4.731234-176.562-47.36815185-190.0419975451446-9.56521-46.1094752
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating-64.2-5.2272.2-216.1-57.017.9225.9-236.0120.5106.261.821.778.3-18.547.5-109.4138.9155.5

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts us-gaap:DebtInstrument

us-gaap:AmortizationOfFinancingCosts

abr:CollateralizedLoanObligationsNine


Amortization
Period End2021-03-31
Value1400000.0
Percentage of AmortizationOfFinancingCosts100.0

us-gaap:ConvertibleDebt


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
Value700000.0700000.01300000.0700000.0700000.0900000.04600000.0700000.0700000.0800000.0700000.01000000.02300000.0700000.0500000.0400000.0400000.0300000.0
Percentage of AmortizationOfFinancingCosts0.050.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:JuniorSubordinatedDebt


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value01800000.0-100000.0001900000.00002000000.00-100000.002200000.00-100000.002300000.0-100000.0003200000.0
Percentage of AmortizationOfFinancingCosts0.0128.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-0.0474.4869.898-3.9-10.9-19.9041.1762.20.9-4.1682.4211.30.2-13.32-7.4140.90.91.827
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxExpenseBenefit us-gaap:Range

srt:Maximum


Deferred
Period End2021-06-30
Value-0.1
Percentage of DeferredIncomeTaxExpenseBenefit212.8

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


Increase
Period End2021-06-302021-03-312020-06-302020-03-312016-03-312015-03-31
Value-7.74.898-89.944910.0613836.468321
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value236491-248.536-230.031766-233.235-283.688134-346.087268157-214.149-2.18420727923572-346.586767131133.8375950.74817916172.2717275.974596118.9116174.5729710.0036129.416199111.8556648.7135294.29277.595322-0.43554.3038585.9894962.924592-13.6075685.6822745.77234
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating224.9538.8-288.5-281.6923.2-263.5-346.0167.5-421.2376.5215.1-317.3-3.740.3158.4189.8682.8216.5-1058.3443.049.514.92.861.865.58.322.438.235.018.40.036.646.28.141.821.438.9-2.222.932.315.7-75.627.723.2

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value84811129754-68.3564443373048372437312318233016123.0233266.9106561712166.93772665137.4656914.7774765.0917274.2023167.227218-0.213272.114305154.215591-27.727861-2.388184-10.3008570.320845-41.089459-1.353994129
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating80.189.0130.8119.665.1-77.254.453.745.542.166.755.441.571.867.956.953.171.494.455.443.411.725.466.247.062.126.0220.152.430.018.419.817.331.4-1.010.680.021.5-147.8-12.9-55.51.8-200.2-5.4499.3

us-gaap:ProfitLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value3435704021-33.6353322151342191331281713122613
Percentage of ProfitLoss41.243.662.941.639.549.274.452.841.843.686.651.654.884.191.971.273.754.187.285.1
Percentage of InterestIncomeOperating33.038.882.349.825.7-38.040.528.319.018.457.828.622.860.462.540.539.238.682.347.2
Percentage of InterestIncomeOperating us-gaap:OperatingSegments abr:AgencyBusinessSegment401.6445.3833.3652.9243.0-334.7419.1341.5259.1239.3458.2308.4263.7712.2552.7349.9296.7258.2707.8509.9

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value4945415732-34.721112021166.54418116.2293.4877917.8536565.770783114.9197849.67726118
Percentage of ProfitLoss58.856.437.158.460.550.825.647.258.256.413.448.445.216.811.132.831.549.915.958.9106.5
Percentage of InterestIncomeOperating47.150.248.569.839.4-39.213.925.326.523.78.926.818.712.17.618.616.735.715.032.770.5
Percentage of InterestIncomeOperating us-gaap:OperatingSegments abr:StructuredTransactionBusinessSegment51.355.053.875.644.1-44.215.427.628.625.710.229.620.513.28.521.119.341.917.036.070.5

us-gaap:ProfitLoss us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

abr:ArborResidentialInvestorLLLC


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value3311920116419
Percentage of ProfitLoss40.3147.7206.6303.8-28.0
Percentage of InterestIncomeOperating32.3131.4247.2197.821.6
Percentage of InterestIncomeOperating abr:ArborResidentialInvestorLLLC0.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value8.7179.74314138.11-10.9347.1817.3636.5985.4689.8387.7995.5568.9917.5235855.6611844.4936276.4416048.4816090.00.0167150.0538330.0536510.0539690.0539760.0538110.0538110.0540370.054045
Percentage of ProfitLoss10.312.012.614.215.016.016.117.017.618.220.120.822.624.324.123.624.526.927.40.00.31.30.7-25.32.60.31.3-0.2-2.3
Percentage of InterestIncomeOperating8.310.716.516.99.8-12.48.89.18.07.713.411.69.417.416.313.413.019.225.90.00.10.20.20.30.30.30.30.30.3
Percentage of InterestIncomeOperating us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value7571988345-57.422373530243929192823181317224.7774765.0750124.1484837.173567-0.2672392.060329154.16178-27.781898-2.442229
Percentage of ProfitLoss89.788.087.485.885.084.083.983.082.481.879.979.277.475.776.076.475.573.172.6100.099.798.799.3125.397.499.798.7100.2102.3
Percentage of InterestIncomeOperating71.878.3114.3102.755.3-64.945.744.537.534.453.343.932.154.451.643.440.152.268.518.419.717.131.2-1.310.379.721.2-148.1-13.2
Percentage of InterestIncomeOperating us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value7571988345-57.42237353024392919282318131722166.93772665137.4656914.7774765.0750124.1484837.173567-0.2672392.060329154.16178-27.781898-2.442229
Percentage of ProfitLoss89.788.087.485.885.084.083.983.082.481.879.979.277.475.776.076.475.573.172.6100.0100.0100.0100.0100.0100.099.798.799.3125.397.499.798.7100.2102.3
Percentage of InterestIncomeOperating71.878.3114.3102.755.3-64.945.744.537.534.453.343.932.154.451.643.440.152.268.562.126.0220.152.430.018.419.717.131.2-1.310.379.721.2-148.1-13.2
Percentage of InterestIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value2045000.03330000.01760000.03485000.0284000.03517000.01940000.02316000.01502000.03756000.01257000.01193000.01100000.02545000.01006600.0847130.0681710.02304500.0573370.0777080.0481660.01681400.0552100.0463310.0735200.01692100.0300810.0292800.01248800.0147020.0167940.0182720.0677680.0571810.000524590.053600.0921550.00
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-1142.733-871.272-344.929-83.771-217.17-510.754-312.212-54.086-490.045-138.397-131.659-32.164-359.078-158.974-557.107612-224.347418-171.49697455.975135-194.516439100-113.90028656-31.93231149-148.71057290-7.62321566-4.26347424-4.422268-137.575164-82.374849-52.680739-27.62611946-13.010682-29.116314-7.442815-20.228317166741
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating-1086.8-955.9-400.3-102.5-261.4-577.0-380.8-67.2-596.4-194.2-179.5-47.7-605.6-308.0-1209.9-532.4-497.6134.218.2-656.3359.4-441.2205.9-122.7567.1-546.5338.2-25.7261.6-17.193.5-17.2-565.5-358.3-252.6-137.9239.9-66.4-155.2-40.2-108.991.3326.9165.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value838375827137-597.165759781-270.804935-54.29119260407128503148-173.877465-65.43407-25.328923-99.32919266161.402495-141.996296201-118.58159421-60.490063-27.994877-28.5679168.9525569912932-0.099754-43.55264112018-7.444818-36.81092.071985-42.672245
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating797.7411.9961.0168.0-718.8858.3952.8-336.41138.0-76.226.2386.7687.6249.21094.2352.1-504.5-195.21244.8-85.5-355.1257.560.15.4-539.1740.4-444.972.0-237.3-112.4-110.034.8407.2562.4154.9-0.5-223.359.5110.399.4-40.1-204.410.1-171.5

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value584939690.03330272623201815121111118.738228.2242078.2223487.7072117.6442277.6443727.6443777.6445156.562056.562056.562056.517726.387726.387725.6078075.1764374.1545533.4374152.774923
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302012-12-312012-09-302011-12-312011-09-30
Value8.770.01.47110.00.00.00.02.7884522.802118
Percentage of PaymentsForRepurchaseOfCommonStock100.00.0100.0100.00.00.00.00.0100.0100.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrumentInterestRateStatedPercentage abr:Period, us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateStatedPercentage

abr:IssuedOnJuly202018, abr:ConvertibleSeniorUnsecuredNotes5.25


Debt
Period End2020-12-312019-12-31
Value5.250.0525
Percentage of DebtInstrumentInterestRateStatedPercentage100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations abr:IssuedOnJuly202018 abr:ConvertibleSeniorUnsecuredNotes5.250.00.0

abr:IssuedOnJuly32018, abr:ConvertibleSeniorUnsecuredNotes5.25


Debt
Period End2020-12-312019-12-31
Value5.250.0525
Percentage of DebtInstrumentInterestRateStatedPercentage100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations abr:IssuedOnJuly32018 abr:ConvertibleSeniorUnsecuredNotes5.250.00.0

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument

abr:ConvertibleSeniorUnsecuredNotes4.75


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-11-302019-10-31
Value4.754.754.750.04750.04750.04750.04754.75
Percentage of DebtInstrumentInterestRateStatedPercentage0.00.00.00.00.090.50.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations abr:ConvertibleSeniorUnsecuredNotes4.750.00.00.00.00.00.00.00.0

abr:ConvertibleSeniorUnsecuredNotes5.25


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-09-302018-07-312018-07-202018-07-03
Value5.255.255.250.05250.05250.05250.05250.05250.05250.05250.0525
Percentage of DebtInstrumentInterestRateStatedPercentage0.0100.00.00.00.0100.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations abr:ConvertibleSeniorUnsecuredNotes5.250.00.00.00.00.00.00.00.00.00.00.0

abr:ConvertibleSeniorUnsecuredNotes5.375


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-07-31
Value5.3755.3750.053750.053750.053750.053750.053750.053750.053750.053750.05375
Percentage of DebtInstrumentInterestRateStatedPercentage102.40.00.00.0102.40.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations abr:ConvertibleSeniorUnsecuredNotes5.3750.00.00.00.00.00.00.00.00.00.00.0

abr:SeniorUnsecuredNotes4.50


Debt
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-31
Value4.54.54.50.0450.0450.045
Percentage of DebtInstrumentInterestRateStatedPercentage0.085.70.00.00.085.7
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations abr:SeniorUnsecuredNotes4.500.00.00.00.00.00.0

abr:SeniorUnsecuredNotes8.00


Debt
Period End2021-06-302020-12-312020-09-302020-06-302020-04-302019-12-31
Value8.08.08.00.080.080.08
Percentage of DebtInstrumentInterestRateStatedPercentage0.0152.40.00.00.0152.4
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations abr:SeniorUnsecuredNotes8.000.00.00.00.00.00.0

abr:SeniorUnsecuredNotesDueInApril2024


Debt
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-03-31
Value5.755.755.750.05750.05750.05750.0575
Percentage of DebtInstrumentInterestRateStatedPercentage0.0109.50.00.00.0109.50.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations abr:SeniorUnsecuredNotesDueInApril20240.00.00.00.00.00.00.0

abr:SeniorUnsecuredNotesDueInMay2023


Debt
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312018-03-31
Value5.6255.6255.6250.056250.056250.056250.05625
Percentage of DebtInstrumentInterestRateStatedPercentage0.0107.10.00.00.0107.10.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations abr:SeniorUnsecuredNotesDueInMay20230.00.00.00.00.00.00.0

abr:SeniorUnsecuredNotesDueInOctober2024


Debt
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-10-31
Value4.754.754.750.04750.04750.0475
Percentage of DebtInstrumentInterestRateStatedPercentage0.090.50.00.090.50.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations abr:SeniorUnsecuredNotesDueInOctober20240.00.00.00.00.00.0

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument, us-gaap:LineOfCreditFacility

abr:CreditFacilityToFinanceSingleFamilyRentalProperties, abr:StructuredLoans


Debt
Period End2020-12-312019-12-31
Value4.00.04
Percentage of DebtInstrumentInterestRateStatedPercentage76.276.2
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations abr:CreditFacilityToFinanceSingleFamilyRentalProperties abr:StructuredLoans0.00.0

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments

abr:CreditFacility50MillionOne, abr:AgencyBusinessSegment


Debt
Period End2020-12-312019-12-31
Value2.8750.02875
Percentage of DebtInstrumentInterestRateStatedPercentage54.854.8
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations abr:CreditFacility50MillionOne abr:AgencyBusinessSegment0.00.0

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument, us-gaap:SubsequentEventType

abr:SeniorUnsecuredNotesDueIn2026, us-gaap:SubsequentEvent


Debt
Period End2021-04-30
Value5.0
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations abr:SeniorUnsecuredNotesDueIn2026 us-gaap:SubsequentEvent0.0

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range, us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments

srt:Maximum, abr:LoanSpecificCreditFacilities, abr:StructuredTransactionBusinessSegment


Debt
Period End2020-12-31
Value4.0
Percentage of DebtInstrumentInterestRateStatedPercentage76.2
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Maximum abr:LoanSpecificCreditFacilities abr:StructuredTransactionBusinessSegment0.0

srt:Minimum, abr:LoanSpecificCreditFacilities, abr:StructuredTransactionBusinessSegment


Debt
Period End2020-12-31
Value3.5
Percentage of DebtInstrumentInterestRateStatedPercentage66.7
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Minimum abr:LoanSpecificCreditFacilities abr:StructuredTransactionBusinessSegment0.0

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range, us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments, us-gaap:VariableRate

srt:Maximum, abr:SingleFamilyRentalPropertiesRepurchaseFacility200Million, abr:StructuredTransactionBusinessSegment, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2021-03-31
Value275.0
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Maximum abr:SingleFamilyRentalPropertiesRepurchaseFacility200Million abr:StructuredTransactionBusinessSegment us-gaap:LondonInterbankOfferedRateLIBOR0.0

srt:Maximum, abr:WarehouseRepurchaseFacility100Million, abr:StructuredTransactionBusinessSegment, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2020-09-30
Value195.0
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Maximum abr:WarehouseRepurchaseFacility100Million abr:StructuredTransactionBusinessSegment us-gaap:LondonInterbankOfferedRateLIBOR0.0

srt:Minimum, abr:SingleFamilyRentalPropertiesRepurchaseFacility200Million, abr:StructuredTransactionBusinessSegment, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2021-03-31
Value175.0
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Minimum abr:SingleFamilyRentalPropertiesRepurchaseFacility200Million abr:StructuredTransactionBusinessSegment us-gaap:LondonInterbankOfferedRateLIBOR0.0

srt:Minimum, abr:WarehouseRepurchaseFacility100Million, abr:StructuredTransactionBusinessSegment, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2020-09-30
Value175.0
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Minimum abr:WarehouseRepurchaseFacility100Million abr:StructuredTransactionBusinessSegment us-gaap:LondonInterbankOfferedRateLIBOR0.0

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

abr:SeriesDCumulativeRedeemablePreferredStock6.375SeriesDPreferredStock, us-gaap:PreferredStock


Debt
Period End2021-07-02
Value6.375
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations abr:SeriesDCumulativeRedeemablePreferredStock6.375SeriesDPreferredStock us-gaap:PreferredStock0.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities dei:LegalEntity

us-gaap:DeferredTaxLiabilities

abr:TrsConsolidatedGroup


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value32221527363.835507
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet dei:LegalEntity

us-gaap:DeferredTaxAssetsNet

abr:TrsConsolidatedGroup


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value32231716233.835507
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance dei:LegalEntity

us-gaap:DeferredTaxAssetsValuationAllowance

abr:TrsConsolidatedGroup


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value0.4310.43.6983.4186.95988212
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0

abr:AdditionalAnnualPerformanceCashBonusInEventOfExtraordinaryPerformance us-gaap:TitleOfIndividual, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

abr:AdditionalAnnualPerformanceCashBonusInEventOfExtraordinaryPerformance

srt:ChiefExecutiveOfficer, us-gaap:SubsequentEvent, abr:AnnualIncentiveAgreement2021


Additional
Period End2021-04-30
Value700000.0
Percentage of AdditionalAnnualPerformanceCashBonusInEventOfExtraordinaryPerformance100.0

abr:AdditionalAnnualPerformanceCashBonusInEventOfExtraordinaryPerformance us-gaap:TitleOfIndividual, us-gaap:TypeOfArrangement

srt:ChiefExecutiveOfficer, abr:AnnualIncentiveAgreement2021


Additional
Period End2021-04-30
Value700000.0
Percentage of AdditionalAnnualPerformanceCashBonusInEventOfExtraordinaryPerformance100.0

abr:AmortizationAndAccretionOfInterestFeesAndIntangibleAssets

abr:AmortizationAndAccretionOfInterestFeesAndIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-30
Value426000.0-72000.0-208000.0165000.01374000.01633000.01932000.01021000.01439000.0653000.0533000.01100000.03713000.03945000.01385500.01454900.01099700.0741860.02023000.0887590.0800220.0852170.025592.0
Percentage of AmortizationAndAccretionOfInterestFeesAndIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:AnnualBaseSalary us-gaap:TitleOfIndividual, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

abr:AnnualBaseSalary

srt:ChiefExecutiveOfficer, us-gaap:SubsequentEvent, abr:AnnualIncentiveAgreement2021


Annual
Period End2021-04-30
Value1200000.0
Percentage of AnnualBaseSalary100.0

abr:AnnualBaseSalary us-gaap:TitleOfIndividual, us-gaap:TypeOfArrangement

srt:ChiefExecutiveOfficer, abr:AnnualIncentiveAgreement2021


Annual
Period End2021-04-30
Value1200000.0
Percentage of AnnualBaseSalary100.0

abr:AnnualCashPayment us-gaap:TitleOfIndividual, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

abr:AnnualCashPayment

srt:ChiefExecutiveOfficer, us-gaap:SubsequentEvent, abr:AnnualIncentiveAgreement2021


Annual
Period End2021-04-30
Value800000.0
Percentage of AnnualCashPayment100.0

abr:AnnualCashPayment us-gaap:TitleOfIndividual, us-gaap:TypeOfArrangement

srt:ChiefExecutiveOfficer, abr:AnnualIncentiveAgreement2021


Annual
Period End2021-04-30
Value800000.0
Percentage of AnnualCashPayment100.0

abr:AnnualPerformanceCashBonusAtMaximumPerformance us-gaap:TitleOfIndividual, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

abr:AnnualPerformanceCashBonusAtMaximumPerformance

srt:ChiefExecutiveOfficer, us-gaap:SubsequentEvent, abr:AnnualIncentiveAgreement2021


Annual
Period End2021-04-30
Value4400000.0
Percentage of AnnualPerformanceCashBonusAtMaximumPerformance100.0

abr:AnnualPerformanceCashBonusAtMaximumPerformance us-gaap:TitleOfIndividual, us-gaap:TypeOfArrangement

srt:ChiefExecutiveOfficer, abr:AnnualIncentiveAgreement2021


Annual
Period End2021-04-30
Value4400000.0
Percentage of AnnualPerformanceCashBonusAtMaximumPerformance100.0

abr:AnnualPerformanceCashBonusAtTargetPerformance us-gaap:TitleOfIndividual, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

abr:AnnualPerformanceCashBonusAtTargetPerformance

srt:ChiefExecutiveOfficer, us-gaap:SubsequentEvent, abr:AnnualIncentiveAgreement2021


Annual
Period End2021-04-30
Value2900000.0
Percentage of AnnualPerformanceCashBonusAtTargetPerformance100.0

abr:AnnualPerformanceCashBonusAtTargetPerformance us-gaap:TitleOfIndividual, us-gaap:TypeOfArrangement

srt:ChiefExecutiveOfficer, abr:AnnualIncentiveAgreement2021


Annual
Period End2021-04-30
Value2900000.0
Percentage of AnnualPerformanceCashBonusAtTargetPerformance100.0

abr:AnnualPerformanceCashBonusAtThresholdPerformance us-gaap:TitleOfIndividual, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

abr:AnnualPerformanceCashBonusAtThresholdPerformance

srt:ChiefExecutiveOfficer, us-gaap:SubsequentEvent, abr:AnnualIncentiveAgreement2021


Annual
Period End2021-04-30
Value1500000.0
Percentage of AnnualPerformanceCashBonusAtThresholdPerformance100.0

abr:AnnualPerformanceCashBonusAtThresholdPerformance us-gaap:TitleOfIndividual, us-gaap:TypeOfArrangement

srt:ChiefExecutiveOfficer, abr:AnnualIncentiveAgreement2021


Annual
Period End2021-04-30
Value1500000.0
Percentage of AnnualPerformanceCashBonusAtThresholdPerformance100.0

abr:CashDistributionReceived us-gaap:BusinessAcquisition, us-gaap:RelatedPartyTransactionsByRelatedParty

abr:CashDistributionReceived

abr:ResidentialMortgageBankingCompanyAcquisitions, abr:ArborCommercialMortgageLLC


Cash
Period End2021-06-30
Value5.6
Percentage of CashDistributionReceived100.0

abr:ContractualObligations us-gaap:FinancialInstrument, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments

abr:ContractualObligations

abr:SingleFamilyRentalBonds, us-gaap:BridgeLoan, abr:StructuredTransactionBusinessSegment


Contractual
Period End2021-06-30
Value40
Percentage of ContractualObligations100.0

abr:ContractuallySpecifiedServicingFeesAmountNet

abr:ContractuallySpecifiedServicingFeesAmountNet


Contractually
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-03-31
Value151514131313141312131114109.5479.2878.524.794
Percentage of ContractuallySpecifiedServicingFeesAmountNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:ContractuallySpecifiedServicingFeesPercentage us-gaap:FiniteLivedIntangibleAssetsByMajorClass

abr:ContractuallySpecifiedServicingFeesPercentage

us-gaap:ServicingContracts


Contractually
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-0.146.00.644.7965e-050.004363e-05-1e-05-0.00010.00446-0.0001-7e-05-6e-050.00475-3e-056e-05-6e-050.0048
Percentage of ContractuallySpecifiedServicingFeesPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:CurrentInterestCoverageRatioCovenantCompliance us-gaap:DebtInstrument

abr:CurrentInterestCoverageRatioCovenantCompliance

abr:CollateralizedLoanObligationsEleven


Current
Period End2021-06-302021-03-312021-01-312020-10-312020-07-312020-04-302020-01-312019-10-312019-07-31
Value-62.54432.76121.95121.954.02233.3832.29312.17011.8562
Percentage of CurrentInterestCoverageRatioCovenantCompliance100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:CollateralizedLoanObligationsFourteen


Current
Period End2021-06-302021-03-31
Value137.21297.55
Percentage of CurrentInterestCoverageRatioCovenantCompliance-219.468.8

abr:CollateralizedLoanObligationsNine


Current
Period End2021-01-312020-10-312020-07-312020-04-302020-01-312019-10-312019-07-312019-04-302019-01-312018-10-312018-07-312018-04-302018-02-28
Value134.7134.684.74643.612.50762.77582.55112.43992.52032.76052.55512.59182.642
Percentage of CurrentInterestCoverageRatioCovenantCompliance110.5110.4118.0106.7109.4127.9137.40.00.00.00.00.00.0

abr:CollateralizedLoanObligationsTen


Current
Period End2021-06-302021-03-312021-01-312020-10-312020-07-312020-04-302020-01-312019-10-312019-07-312019-04-302019-01-312018-10-312018-07-31
Value52.11397.51126.98126.984.59963.72242.50522.94752.32361.96572.34482.36322.0162
Percentage of CurrentInterestCoverageRatioCovenantCompliance-83.391.9104.1104.1114.4110.0109.2135.8125.20.00.00.00.0

abr:CollateralizedLoanObligationsThirteen


Current
Period End2021-06-302021-03-312021-01-312020-10-312020-07-312020-04-30
Value-29.83419.82119.76119.763.63032.2891
Percentage of CurrentInterestCoverageRatioCovenantCompliance47.797.098.298.290.367.7

abr:CollateralizedLoanObligationsTwelve


Current
Period End2021-06-302021-03-312021-01-312020-10-312020-07-312020-04-302020-01-31
Value-32.46387.82118.87118.873.80512.89891.8758
Percentage of CurrentInterestCoverageRatioCovenantCompliance51.989.697.597.594.685.781.8

abr:CurrentOvercollateralizationRatioCovenantCompliance us-gaap:DebtInstrument

abr:CurrentOvercollateralizationRatioCovenantCompliance

abr:CollateralizedLoanObligationsEleven


Current
Period End2021-07-312021-06-302021-04-302021-03-312021-01-312020-10-312020-07-312020-04-302020-01-312019-10-312019-07-31
Value121.950121.95121.95121.95121.951.21951.21951.21951.21951.2195
Percentage of CurrentOvercollateralizationRatioCovenantCompliance100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:CollateralizedLoanObligationsFifteen


Current
Period End2021-07-31
Value120.85
Percentage of CurrentOvercollateralizationRatioCovenantCompliance99.1

abr:CollateralizedLoanObligationsFourteen


Current
Period End2021-07-312021-06-302021-04-302021-03-31
Value119.760119.76119.76
Percentage of CurrentOvercollateralizationRatioCovenantCompliance98.20.098.298.2

abr:CollateralizedLoanObligationsNine


Current
Period End2020-10-312020-07-312020-04-302020-01-312019-10-312019-07-312019-04-302019-01-312018-10-312018-07-312018-04-302018-02-282018-01-312017-10-312017-07-312017-04-302017-01-31
Value134.681.34681.34681.34681.34681.34681.34691.34681.34681.34681.34691.34681.34681.34681.34681.34691.3468
Percentage of CurrentOvercollateralizationRatioCovenantCompliance110.4110.4110.4110.4110.4110.40.00.00.00.00.00.00.00.00.00.00.0

abr:CollateralizedLoanObligationsTen


Current
Period End2021-07-312021-06-302021-04-302021-03-312021-01-312020-10-312020-07-312020-04-302020-01-312019-10-312019-07-312019-04-302019-01-312018-10-312018-07-312018-01-312017-10-312017-07-31
Value126.980126.98126.98126.98126.981.26981.26981.26981.26981.26981.26981.26981.26981.26981.26981.26981.2698
Percentage of CurrentOvercollateralizationRatioCovenantCompliance104.10.0104.1104.1104.1104.1104.1104.1104.1104.1104.10.00.00.00.00.00.00.0

abr:CollateralizedLoanObligationsThirteen


Current
Period End2021-07-312021-06-302021-04-302021-03-312021-01-312020-10-312020-07-312020-04-30
Value119.760119.76119.76119.76119.761.19761.1976
Percentage of CurrentOvercollateralizationRatioCovenantCompliance98.20.098.298.298.298.298.298.2

abr:CollateralizedLoanObligationsTwelve


Current
Period End2021-07-312021-06-302021-04-302021-03-312021-01-312020-10-312020-07-312020-04-302020-01-31
Value118.870118.87118.87118.87118.871.18871.18871.1887
Percentage of CurrentOvercollateralizationRatioCovenantCompliance97.50.097.597.597.597.597.597.597.5

abr:DebtInstrumentAdvanceRate us-gaap:DebtInstrument

abr:DebtInstrumentAdvanceRate

abr:JointRepurchaseFacility


Debt
Period End2021-06-302021-03-31
Value5.075.0
Percentage of DebtInstrumentAdvanceRate100.0100.0

abr:DebtInstrumentAdvanceRate us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments, us-gaap:VariableRate

abr:SingleFamilyRentalPropertiesRepurchaseFacility200Million, abr:StructuredTransactionBusinessSegment, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2021-03-31
Value80.0
Percentage of DebtInstrumentAdvanceRate106.7

abr:DebtInstrumentConvertibleExtinguished

abr:DebtInstrumentConvertibleExtinguished


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value9556000.0-9556000.004778000.0-2674000.06000.01331000.0
Percentage of DebtInstrumentConvertibleExtinguished100.0100.00.0100.0100.0100.0100.0

abr:DebtInstrumentConvertibleRepurchasePercentage us-gaap:DebtInstrument

abr:DebtInstrumentConvertibleRepurchasePercentage

us-gaap:ConvertibleDebt


Debt
Period End2021-06-302021-03-31
Value0100.0
Percentage of DebtInstrumentConvertibleRepurchasePercentage0.0100.0

abr:DebtInstrumentFloorRate us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments

abr:DebtInstrumentFloorRate

abr:CreditFacility150Million, abr:StructuredTransactionBusinessSegment


Debt
Period End2021-03-31
Value15.0
Percentage of DebtInstrumentFloorRate100.0

abr:WarehouseRepurchaseFacility400million, abr:StructuredTransactionBusinessSegment


Debt
Period End2021-01-312020-12-31
Value0.3534.25
Percentage of DebtInstrumentFloorRate0.00.0

abr:DebtInstrumentFloorRate us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments, us-gaap:VariableRate

abr:CreditFacility18.2Million, abr:StructuredTransactionBusinessSegment, us-gaap:PrimeRate


Debt
Period End2021-03-31
Value3.25
Percentage of DebtInstrumentFloorRate21.7

abr:WarehouseRepurchaseFacility100Million, abr:StructuredTransactionBusinessSegment, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2020-12-31
Value0
Percentage of DebtInstrumentFloorRate0.0

abr:DebtInstrumentFloorRate us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:TypeOfArrangement, us-gaap:VariableRate

srt:RetailSite, us-gaap:BridgeLoan, abr:LoanModificationAgreement, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2020-08-31
Value2.375
Percentage of DebtInstrumentFloorRate0.0

abr:DebtInstrumentFloorRate us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:TypeOfArrangement, us-gaap:VariableRate

srt:Hotel, abr:ForbearanceAgreement, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2020-08-31
Value1.5
Percentage of DebtInstrumentFloorRate0.0

srt:RetailSite, abr:LoanModificationAgreement, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2020-08-31
Value6.5
Percentage of DebtInstrumentFloorRate0.0

abr:DebtInstrumentFloorRate us-gaap:Range, us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments, us-gaap:VariableRate

srt:Minimum, abr:CreditFacility150MillionOne, abr:AgencyBusinessSegment, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2020-09-30
Value25.0
Percentage of DebtInstrumentFloorRate0.0

abr:DebtInstrumentFloorRate us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Debt
Period End2020-07-31
Value0.0025
Percentage of DebtInstrumentFloorRate0.0

abr:DerivativeFairValueAdjustment

abr:DerivativeFairValueAdjustment


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-5.672156.7045.081-7.458196.632100.0027860.004202100.003848-0.0005570.0059170.21158-1.82229-1.829939.522647.621402
Percentage of DerivativeFairValueAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:DerivativeFairValueAdjustment us-gaap:DerivativeInstrumentRisk

abr:ForwardSaleCommitments


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-3.0682.9410.121-0.018-4.684.808-2.3132.5149652.9e-056e-060.094972-0.0002671.7e-050.0002780.213622-0.6850060.7185780.030806
Percentage of DerivativeFairValueAdjustment54.119.01.8-0.462.825.0-34.923.01.00.10.9-6.9-3.14.7101.037.6-39.30.3

abr:ServicingContractsHeldForSale


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-4.357146.8973.47-4.02156.155100.0024410.003802100.003705-0.0004460.00520.355338-0.822518-2.8679879.1411675.236383
Percentage of DerivativeFairValueAdjustment76.890.7102.968.353.979.392.894.687.690.596.996.380.187.9167.945.1156.796.068.7

us-gaap:InterestRateLockCommitments


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1.753-1.502-0.3141.6291.242-0.8212.79-1.926710.0003160.0003940.2282790.00041-0.0001280.000439-0.35738-0.3147660.3194790.3506671.588822
Percentage of DerivativeFairValueAdjustment-30.9-9.7-4.732.1-16.7-4.342.1-17.611.39.42.210.723.07.4-168.917.3-17.53.720.8

abr:DistributionsFromEquityAffiliates

abr:DistributionsFromEquityAffiliates


Distributions
Period End2021-06-302021-03-312020-06-302020-03-31
Value5.759130.0411.151
Percentage of DistributionsFromEquityAffiliates100.0100.0100.0100.0

abr:DueToDueFromBorrowersAndReserves

abr:DueToDueFromBorrowersAndReserves


Due
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value3842-17.2436.14421.83413-0.776212.7631.9174.711-5.35663-60.94325210.00.753-0.2665080.0-1e-060.036240.00.00.00.5851431e-060.194304-0.0181020.328890.0943770.5708880.6772370.0549110.7868021.309059
Percentage of DueToDueFromBorrowersAndReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:EffectOfInterestRateMovement us-gaap:DerivativeInstrumentRisk

abr:EffectOfInterestRateMovement

abr:ForwardSaleCommitments


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3068000.0-2941000.0-121000.018000.04680000.0-4808000.02313000.0-2515000.0-29.0-6.0-94972.0267.0-17.0-278.0-213620.0685010.0-718580.0-30806.0
Percentage of EffectOfInterestRateMovement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestRateLockCommitments


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-3068000.02941000.0121000.0-18000.0-4680000.04808000.0-2313000.02515000.029.06.094972.0-267.017.0278.0213620.0-685010.0718580.030806.0545430.0
Percentage of EffectOfInterestRateMovement-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.00.0

abr:EquityMethodIndirectOwnershipPercentage us-gaap:BusinessAcquisition, us-gaap:RelatedPartyTransactionsByRelatedParty

abr:EquityMethodIndirectOwnershipPercentage

abr:ResidentialMortgageBankingCompanyAcquisitions, abr:ArborCommercialMortgageLLC


Equity
Period End2021-01-31
Value12.3
Percentage of EquityMethodIndirectOwnershipPercentage100.0

abr:EquityMethodIndirectOwnershipPercentage us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

abr:ArborResidentialInvestorLLLC


Equity
Period End2021-01-31
Value12.3
Percentage of EquityMethodIndirectOwnershipPercentage100.0

abr:CenturySummerfieldApartments


Equity
Period End2021-03-31
Value37.5
Percentage of EquityMethodIndirectOwnershipPercentage0.0

abr:EquityMethodIndirectOwnershipPercentage us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:SubsequentEventType

abr:AriResidentialMortgageBankingBusiness, us-gaap:SubsequentEvent


Equity
Period End2021-01-31
Value12.3
Percentage of EquityMethodIndirectOwnershipPercentage100.0

abr:GainLossOnSaleOfLoansReceivableHeldForSale

abr:GainLossOnSaleOfLoansReceivableHeldForSale


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-07-14
Value402732192413132012151715141716161718139.09.0
Percentage of GainLossOnSaleOfLoansReceivableHeldForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:GainLossOnSaleOfLoansReceivableHeldForSale us-gaap:LineOfCreditFacility

abr:SingleFamilyResidential


Gain
Period End2021-06-302021-03-31
Value0.12.7
Percentage of GainLossOnSaleOfLoansReceivableHeldForSale0.210.0

abr:HeldToMaturitySecuritiesDiscountedValueOfSecuritiesPurchased us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity

abr:HeldToMaturitySecuritiesDiscountedValueOfSecuritiesPurchased

abr:AgencyPrivateLabelCertificates, us-gaap:HeldtomaturitySecurities


Held
Period End2021-03-312020-12-312020-06-30
Value370.037
Percentage of HeldToMaturitySecuritiesDiscountedValueOfSecuritiesPurchased100.00.0100.0

abr:SevenBPieceBonds, us-gaap:HeldtomaturitySecurities


Held
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.0740.00.0
Percentage of HeldToMaturitySecuritiesDiscountedValueOfSecuritiesPurchased0.0197.10.00.0

abr:HeldToMaturitySecuritiesRetainedPercentage us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity

abr:HeldToMaturitySecuritiesRetainedPercentage

abr:SevenBPieceBonds, us-gaap:HeldtomaturitySecurities


Held
Period End2021-06-302021-03-312020-12-31
Value049.00
Percentage of HeldToMaturitySecuritiesRetainedPercentage0.0100.00.0

abr:ImpairedFinancingReceivableFirstDollarLtvRatio

abr:ImpairedFinancingReceivableFirstDollarLtvRatio


Impaired
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-03-31
Value1.01.01.0-14.013.860.140.01
Percentage of ImpairedFinancingReceivableFirstDollarLtvRatio100.0100.0100.0100.0100.0100.0100.0

abr:ImpairedFinancingReceivableFirstDollarLtvRatio us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

srt:Hotel


Impaired
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value00-59.058.410.59
Percentage of ImpairedFinancingReceivableFirstDollarLtvRatio0.00.0421.4421.4421.4

srt:RetailSite


Impaired
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value010.0-1.02.08.970.03
Percentage of ImpairedFinancingReceivableFirstDollarLtvRatio0.01000.0-100.0-14.364.721.4

us-gaap:CommercialRealEstate


Impaired
Period End2021-06-302021-03-312020-12-31
Value063.00
Percentage of ImpairedFinancingReceivableFirstDollarLtvRatio0.06300.00.0

abr:ImpairedFinancingReceivableLastDollarLtvRatio

abr:ImpairedFinancingReceivableLastDollarLtvRatio


Impaired
Period End2021-06-302021-03-312020-12-312020-09-302019-03-31
Value094.07.0-11.00.96
Percentage of ImpairedFinancingReceivableLastDollarLtvRatio0.0100.0100.0100.0100.0

abr:ImpairedFinancingReceivableLastDollarLtvRatio us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

srt:Hotel


Impaired
Period End2021-03-312020-12-312020-09-30
Value94.00-6.0
Percentage of ImpairedFinancingReceivableLastDollarLtvRatio100.00.054.5

srt:OfficeBuilding


Impaired
Period End2021-06-302021-03-312020-12-312020-09-302019-03-31
Value-2.070.0-2.0-2.00.78
Percentage of ImpairedFinancingReceivableLastDollarLtvRatio0.074.5-28.618.281.2

srt:RetailSite


Impaired
Period End2021-06-302021-03-312020-12-312020-09-30
Value1.076.01.0-25.0
Percentage of ImpairedFinancingReceivableLastDollarLtvRatio0.080.914.3227.3

us-gaap:CommercialRealEstate


Impaired
Period End2021-06-302021-03-312020-12-31
Value063.00
Percentage of ImpairedFinancingReceivableLastDollarLtvRatio0.067.00.0

us-gaap:HealthCare


Impaired
Period End2021-06-302021-03-312020-12-312020-09-30
Value083.00-6.0
Percentage of ImpairedFinancingReceivableLastDollarLtvRatio0.088.30.054.5

us-gaap:LandAndLandImprovements


Impaired
Period End2021-06-302021-03-312020-12-312020-09-302019-03-31
Value099.01.01.00.97
Percentage of ImpairedFinancingReceivableLastDollarLtvRatio0.0105.314.3-9.1101.0

abr:ImpairedFinancingReceivableWeightedAverageAccrualRateOfInterest abr:LoansReceivableMaturity, abr:NumberOfLoansUnpaidPrincipalBalance

abr:ImpairedFinancingReceivableWeightedAverageAccrualRateOfInterest

abr:MaturityDateMarch2020, abr:FiveLoansCollateralizedByLandDevelopmentProject


Impaired
Period End2021-06-302021-03-31
Value-0.057.96
Percentage of ImpairedFinancingReceivableWeightedAverageAccrualRateOfInterest100.0100.0

abr:IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsExtinguishmentOfDebtSaleOfRealEstateIncomeTaxesNoncontrollingInterest

abr:IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsExtinguishmentOfDebtSaleOfRealEstateIncomeTaxesNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value90711168547-84.7645446
Percentage of IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsExtinguishmentOfDebtSaleOfRealEstateIncomeTaxesNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0

abr:IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsExtinguishmentOfDebtSaleOfRealEstateIncomeTaxesNoncontrollingInterest us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value4541905133-48.0883629
Percentage of IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsExtinguishmentOfDebtSaleOfRealEstateIncomeTaxesNoncontrollingInterest49.858.277.461.170.256.767.263.8

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value4529263314-36.6761716
Percentage of IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsExtinguishmentOfDebtSaleOfRealEstateIncomeTaxesNoncontrollingInterest50.241.822.638.929.843.332.836.2

abr:IncreaseDecreaseInCustomerLiabilityDeferredRevenue

abr:IncreaseDecreaseInCustomerLiabilityDeferredRevenue


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value109.198.4284.5030.9784.8575.5345.3019.4912.0144.5582.2473.4822.8273.7684.1992.7880.227
Percentage of IncreaseDecreaseInCustomerLiabilityDeferredRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:IncreaseDecreaseInOperatingAssetsAndLiabilities

abr:IncreaseDecreaseInOperatingAssetsAndLiabilities


Increase
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value2.081-89.98590-30.281101472
Percentage of IncreaseDecreaseInOperatingAssetsAndLiabilities100.0100.0100.0100.0100.0100.0100.0

abr:InterestCoverageRatioCovenantCompliance us-gaap:DebtInstrument

abr:InterestCoverageRatioCovenantCompliance

abr:CollateralizedLoanObligationsEleven


Interest
Period End2021-06-302021-03-312020-07-312020-04-302020-01-312019-10-312019-07-31
Value0120.01.21.21.21.21.2
Percentage of InterestCoverageRatioCovenantCompliance0.0100.0100.0100.0100.0100.0100.0

abr:CollateralizedLoanObligationsFourteen


Interest
Period End2021-06-302021-03-31
Value0120.0
Percentage of InterestCoverageRatioCovenantCompliance0.0100.0

abr:CollateralizedLoanObligationsTen


Interest
Period End2021-06-302021-03-312020-07-312020-04-302020-01-312019-10-312019-07-312019-04-302019-01-312018-10-312018-07-31
Value0120.01.21.21.21.21.21.21.21.21.2
Percentage of InterestCoverageRatioCovenantCompliance0.0100.0100.0100.0100.0100.0100.00.00.00.00.0

abr:CollateralizedLoanObligationsThirteen


Interest
Period End2021-06-302021-03-312020-07-312020-04-30
Value0120.01.21.2
Percentage of InterestCoverageRatioCovenantCompliance0.0100.0100.0100.0

abr:CollateralizedLoanObligationsTwelve


Interest
Period End2021-06-302021-03-312020-07-312020-04-302020-01-31
Value0120.01.21.21.2
Percentage of InterestCoverageRatioCovenantCompliance0.0100.0100.0100.0100.0

abr:InterestIncomeNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

abr:InterestIncomeNet

us-gaap:ServicingContracts


Interest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value1.11.21.31.43.14.74.14.03.72.72.21.51.10.7
Percentage of InterestIncomeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:InterestReserve

abr:InterestReserve


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.582212.23.351-3.4-21.010507.6-6.31.346
Percentage of InterestReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:LineOfCreditFacilityCommitmentAmount us-gaap:DebtInstrument

abr:LineOfCreditFacilityCommitmentAmount

abr:JointRepurchaseFacility


Line
Period End2021-06-302021-03-312020-03-31
Value-499950.05000001100
Percentage of LineOfCreditFacilityCommitmentAmount100.0100.0100.0

abr:LineOfCreditFacilityCommitmentAmount us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments

abr:CreditFacility125MillionOne, abr:StructuredTransactionBusinessSegment


Line
Period End2020-07-31
Value125
Percentage of LineOfCreditFacilityCommitmentAmount0.0

abr:CreditFacility21.6Million, abr:StructuredTransactionBusinessSegment


Line
Period End2021-02-28
Value21
Percentage of LineOfCreditFacilityCommitmentAmount0.0

abr:CreditFacility75MillionOne, abr:StructuredTransactionBusinessSegment


Line
Period End2020-07-31
Value75
Percentage of LineOfCreditFacilityCommitmentAmount0.0

abr:LoansOriginated

abr:LoansOriginated


Loans
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value119414602808152812061267120314771302846160413761079104311629281101115114147142253
Percentage of LoansOriginated100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:LoansOriginated us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments

abr:SingleFamilyRentalBonds, abr:AgencyBusinessSegment


Loans
Period End2021-06-30
Value11
Percentage of LoansOriginated1.0

abr:LoansOriginated us-gaap:LineOfCreditFacility, us-gaap:StatementBusinessSegments

abr:FederalHomeLoanMortgageCorporationLoans, abr:AgencyBusinessSegment


Loans
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value15511437325213519996203234192527317434308441328317235299157552
Percentage of LoansOriginated13.17.913.316.511.215.88.113.818.022.732.923.140.329.538.035.328.820.421.222.024.5

abr:FederalHousingAdministrationLoans, abr:AgencyBusinessSegment


Loans
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value130661331007517780.0431.1115770.0603e-0618321370.024170
Percentage of LoansOriginated10.94.64.86.66.31.46.50.03.30.11.05.60.05.80.02.03.012.00.03.47.6

abr:FederalNationalMortgageAssociationLoans, abr:AgencyBusinessSegment


Loans
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value6371063220211171140581764109793754610679956066627126506698969996681566
Percentage of LoansOriginated53.472.978.473.194.545.963.574.372.064.666.572.356.263.561.370.160.877.870.793.569.5

abr:PrivateLabel, abr:AgencyBusinessSegment


Loans
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value377152445.844928232080
Percentage of LoansOriginated31.610.41.60.44.122.326.65.5

abr:LoansOriginated us-gaap:StatementBusinessSegments

abr:AgencyBusinessSegment


Loans
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value131313972753147514001081126014151288845162414111041104811549961020129012998502311
Percentage of LoansOriginated110.095.798.196.6116.185.4104.795.898.999.9101.2102.596.4100.499.3107.492.6112.191.8119.0102.6

abr:LoansPayoffsAndPaydowns us-gaap:StatementBusinessSegments

abr:LoansPayoffsAndPaydowns

abr:StructuredTransactionBusinessSegment


Loans
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value66223356720615927550845650327927125523819020027026319013411845384
Percentage of LoansPayoffsAndPaydowns100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:LoansPurchasedWithCreditDeteriorationDiscountPremium us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment

abr:LoansPurchasedWithCreditDeteriorationDiscountPremium

srt:Hotel, us-gaap:BridgeLoan


Loans
Period End2020-08-31
Value39
Percentage of LoansPurchasedWithCreditDeteriorationDiscountPremium100.0

abr:LoansPurchasedWithCreditDeteriorationDiscountReceivedClassifiedAsNoncreditDiscount us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment

abr:LoansPurchasedWithCreditDeteriorationDiscountReceivedClassifiedAsNoncreditDiscount

srt:Hotel, us-gaap:BridgeLoan


Loans
Period End2020-08-31
Value20
Percentage of LoansPurchasedWithCreditDeteriorationDiscountReceivedClassifiedAsNoncreditDiscount100.0

abr:LoansReceivableFloorInterestRate abr:LoansReceivableMaturity, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:RelatedPartyTransactionsByRelatedParty

abr:LoansReceivableFloorInterestRate

abr:MaturesInMay2023, us-gaap:BridgeLoan, us-gaap:ImmediateFamilyMemberOfManagementOrPrincipalOwner


Loans
Period End2020-10-31
Value0.75
Percentage of LoansReceivableFloorInterestRate100.0

abr:LoansReceivableFloorInterestRate abr:LoansReceivableMaturity, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:VariableRate

abr:MaturesInMay2023, us-gaap:BridgeLoan, us-gaap:ImmediateFamilyMemberOfManagementOrPrincipalOwner, us-gaap:LondonInterbankOfferedRateLIBOR


Loans
Period End2020-10-31
Value0.75
Percentage of LoansReceivableFloorInterestRate100.0

abr:MaturesInOctober2023, us-gaap:BridgeLoan, us-gaap:ImmediateFamilyMemberOfManagementOrPrincipalOwner, us-gaap:LondonInterbankOfferedRateLIBOR


Loans
Period End2020-12-31
Value0.75
Percentage of LoansReceivableFloorInterestRate0.0

abr:MaturityDateOfMarch2024, us-gaap:BridgeLoan, abr:RealEstateInvestmentFundSponsoredAndManagedByChiefExecutiveOfficerAndImmediateFamilyMemberOfManagementOrPrincipalOwner, us-gaap:LondonInterbankOfferedRateLIBOR


Loans
Period End2021-03-31
Value0.25
Percentage of LoansReceivableFloorInterestRate0.0

abr:LossContingencyAccrualChargeOffsNet

abr:LossContingencyAccrualChargeOffsNet


Loss
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value797000.062000.0-28000.0-166000.0-73000.0-160000.0467000.0-373000.0469000.0234000.043000.0-113000.0-205600.021878.0-45731.01867400.0312910.0
Percentage of LossContingencyAccrualChargeOffsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:LossContingencyAccrualProvisionReversalForLoanRepayments us-gaap:InvestmentType, us-gaap:LossContingenciesByNatureOfContingency

abr:LossContingencyAccrualProvisionReversalForLoanRepayments

us-gaap:FederalNationalMortgageAssociationCertificatesAndObligationsFNMA, us-gaap:PerformanceGuarantee


Loss
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value167000.096000.0725000.0196000.0277000.0358000.01409000.0591000.01307000.0425000.0860000.0905000.0785000.0732000.0802000.03882000.01358000.0575000.0
Percentage of LossContingencyAccrualProvisionReversalForLoanRepayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:LossContingencyAccrualRecoveriesChargeOffsNet us-gaap:InvestmentType, us-gaap:LossContingenciesByNatureOfContingency

abr:LossContingencyAccrualRecoveriesChargeOffsNet

us-gaap:FederalNationalMortgageAssociationCertificatesAndObligationsFNMA, us-gaap:PerformanceGuarantee


Loss
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value-797000.0-62000.027000.0167000.072000.0160000.0-467000.0373000.0-469000.0-234000.0-16000.0-44000.0113000.0-22000.0
Percentage of LossContingencyAccrualRecoveriesChargeOffsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:LossSharingObligationsPercent us-gaap:InvestmentType

abr:LossSharingObligationsPercent

us-gaap:FederalNationalMortgageAssociationCertificatesAndObligationsFNMA


Loss
Period End2021-06-302021-03-312020-12-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value00.16-0.06-0.00010-0.00010.00250.0025
Percentage of LossSharingObligationsPercent0.0100.0100.0100.00.0100.0100.0100.0

abr:MortgageLoansOnRealEstateAdditionalReserveDeposit us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:TypeOfArrangement

abr:MortgageLoansOnRealEstateAdditionalReserveDeposit

srt:RetailSite, abr:LoanModificationAgreement


Mortgage
Period End2020-08-31
Value4600000.0
Percentage of MortgageLoansOnRealEstateAdditionalReserveDeposit100.0

abr:MortgageLoansOnRealEstateFixedInterestRate abr:LoansReceivableMaturity, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:RelatedPartyTransactionsByRelatedParty

abr:MortgageLoansOnRealEstateFixedInterestRate

abr:MaturesInApril2023, abr:PreferredEquityInvestmentsInMortgageLoans, us-gaap:ImmediateFamilyMemberOfManagementOrPrincipalOwner


Mortgage
Period End2020-10-31
Value12.0
Percentage of MortgageLoansOnRealEstateFixedInterestRate100.0

abr:MaturesInMay2023, abr:PreferredEquityInvestmentsInMortgageLoans, us-gaap:ImmediateFamilyMemberOfManagementOrPrincipalOwner


Mortgage
Period End2020-10-31
Value12.0
Percentage of MortgageLoansOnRealEstateFixedInterestRate100.0

abr:MaturesInOctober2023, abr:PreferredEquityInvestmentsInMortgageLoans, us-gaap:ImmediateFamilyMemberOfManagementOrPrincipalOwner


Mortgage
Period End2020-12-31
Value12.0
Percentage of MortgageLoansOnRealEstateFixedInterestRate0.0

abr:MortgageLoansOnRealEstateFixedInterestRate us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:TypeOfArrangement

srt:RetailSite, abr:MezzanineLoan, abr:LoanModificationAgreement


Mortgage
Period End2020-08-31
Value12.0
Percentage of MortgageLoansOnRealEstateFixedInterestRate0.0

abr:MortgageLoansOnRealEstateFixedInterestRate us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:TypeOfArrangement

srt:Hotel, abr:ForbearanceAgreement


Mortgage
Period End2021-01-31
Value9.5
Percentage of MortgageLoansOnRealEstateFixedInterestRate0.0

abr:MortgageLoansOnRealEstatePayRate us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:TypeOfArrangement

abr:MortgageLoansOnRealEstatePayRate

srt:Hotel, abr:ForbearanceAgreement


Mortgage
Period End2020-08-31
Value1.0
Percentage of MortgageLoansOnRealEstatePayRate100.0

abr:MortgageLoansOnRealEstateRefinancedAmount us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:RelatedPartyTransactionsByRelatedParty

abr:MortgageLoansOnRealEstateRefinancedAmount

abr:RealEstateInvestmentFund, abr:MezzanineLoan, abr:UnaffiliatedBorrower


Mortgage
Period End2020-09-30
Value400000.0
Percentage of MortgageLoansOnRealEstateRefinancedAmount100.0

abr:NewLoansOriginated us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments

abr:NewLoansOriginated

abr:MezzanineLoan, abr:StructuredTransactionBusinessSegment


New
Period End2021-06-302021-03-312020-06-302020-03-31
Value38561.54714
Percentage of NewLoansOriginated100.0100.0100.0100.0

abr:OtherLoan, abr:StructuredTransactionBusinessSegment


New
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.0260.033
Percentage of NewLoansOriginated0.046.90.0235.9

us-gaap:BridgeLoan, abr:StructuredTransactionBusinessSegment


New
Period End2021-06-302021-03-312020-06-302020-03-31
Value18001005298785
Percentage of NewLoansOriginated4706.81795.919323.55538.8

abr:NewLoansOriginated us-gaap:StatementBusinessSegments

abr:StructuredTransactionBusinessSegment


New
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value183810879852913008568315411014416447287606314785473437145192266583218
Percentage of NewLoansOriginated4806.81942.70.00.019423.56040.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

abr:OriginatedMortgageServicingRightsRate

abr:OriginatedMortgageServicingRightsRate


Originated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value2.22.530.012.770.02690.01730.00150.02020.01440.01680.00150.01830.01660.018800.02040.01570.0174-0.00120.02230.0165
Percentage of OriginatedMortgageServicingRightsRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

abr:OriginatedMortgageServicingRightsRevenue

abr:OriginatedMortgageServicingRightsRevenue


Originated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value2636684232212729181436251719201817202815
Percentage of OriginatedMortgageServicingRightsRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:OriginatedMortgageServicingRightsRevenue us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


Originated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value2636684232212729181436251719201817202815
Percentage of OriginatedMortgageServicingRightsRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:OvercollateralizationRatioCovenantCompliance us-gaap:DebtInstrument

abr:OvercollateralizationRatioCovenantCompliance

abr:CollateralizedLoanObligationsEleven


Overcollateralization
Period End2021-06-302021-03-312020-07-312020-04-302020-01-312019-10-312019-07-31
Value0120.951.20951.20951.20951.20951.2095
Percentage of OvercollateralizationRatioCovenantCompliance0.0100.0100.0100.0100.0100.0100.0

abr:CollateralizedLoanObligationsFourteen


Overcollateralization
Period End2021-06-302021-03-31
Value0118.76
Percentage of OvercollateralizationRatioCovenantCompliance0.098.2

abr:CollateralizedLoanObligationsTen


Overcollateralization
Period End2021-06-302021-03-312020-07-312020-04-302020-01-312019-10-312019-07-312019-04-302019-01-312018-10-312018-07-31
Value0125.981.25981.25981.25981.25981.25981.25981.25981.25981.2598
Percentage of OvercollateralizationRatioCovenantCompliance0.0104.2104.2104.2104.2104.2104.20.00.00.00.0

abr:CollateralizedLoanObligationsThirteen


Overcollateralization
Period End2021-06-302021-03-312020-07-312020-04-30
Value0118.761.18761.1876
Percentage of OvercollateralizationRatioCovenantCompliance0.098.298.298.2

abr:CollateralizedLoanObligationsTwelve


Overcollateralization
Period End2021-06-302021-03-312020-07-312020-04-302020-01-31
Value0117.871.17871.17871.1787
Percentage of OvercollateralizationRatioCovenantCompliance0.097.597.597.597.5

abr:PaymentForLoansAndInvestmentsFundedOriginatedAndPurchasedNet

abr:PaymentForLoansAndInvestmentsFundedOriginatedAndPurchasedNet


Payment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1758105595130830181581749699540338128859128381549941213814524919228325017722732922322918726816314518410193804740119264626164.092324
Percentage of PaymentForLoansAndInvestmentsFundedOriginatedAndPurchasedNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:PaymentForLoansAndInvestmentsFundedOriginatedAndPurchasedNet us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

srt:SingleFamily


Payment
Period End2020-12-31
Value3.5
Percentage of PaymentForLoansAndInvestmentsFundedOriginatedAndPurchasedNet0.4

abr:PaymentForLoansAndInvestmentsFundedOriginatedAndPurchasedNet us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment

srt:Hotel, us-gaap:BridgeLoan


Payment
Period End2020-08-312019-12-31
Value6050
Percentage of PaymentForLoansAndInvestmentsFundedOriginatedAndPurchasedNet0.06.1

srt:SingleFamily, abr:PreferredEquityInvestmentsInMortgageLoans


Payment
Period End2020-10-31
Value4.6
Percentage of PaymentForLoansAndInvestmentsFundedOriginatedAndPurchasedNet0.0

srt:SingleFamily, us-gaap:BridgeLoan


Payment
Period End2020-12-31
Value3.5
Percentage of PaymentForLoansAndInvestmentsFundedOriginatedAndPurchasedNet0.4

abr:PaymentsOfRedemptionOfOperatingPartnershipUnits

abr:PaymentsOfRedemptionOfOperatingPartnershipUnits


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.978290.01.60.0010.00.0421.6310.0
Percentage of PaymentsOfRedemptionOfOperatingPartnershipUnits100.0100.00.0100.0100.00.0100.0100.00.0

abr:PecentageOfInterestWaived us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:TypeOfArrangement

abr:PecentageOfInterestWaived

srt:RetailSite, abr:LoanModificationAgreement


Pecentage
Period End2020-08-31
Value2.0
Percentage of PecentageOfInterestWaived100.0

abr:PercentageOfCumulativeNonCompoundedPriorityReturn us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

abr:PercentageOfCumulativeNonCompoundedPriorityReturn

abr:CenturySummerfieldApartments


Percentage
Period End2021-03-31
Value5.0
Percentage of PercentageOfCumulativeNonCompoundedPriorityReturn100.0

abr:PercentageOfInterestWaived us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:TypeOfArrangement

abr:PercentageOfInterestWaived

srt:RetailSite, abr:LoanModificationAgreement


Percentage
Period End2020-08-31
Value2.0
Percentage of PercentageOfInterestWaived100.0

abr:PercentageOfUnpaidPrincipalBalance us-gaap:ConcentrationRiskByBenchmark, us-gaap:FiniteLivedIntangibleAssetsByMajorClass

abr:PercentageOfUnpaidPrincipalBalance

us-gaap:RevenueRightsGranted, us-gaap:ServicingContracts


Percentage
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0100.0099.001.00001.00001.00001.00
Percentage of PercentageOfUnpaidPrincipalBalance0.0100.00.0100.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.0

abr:PercentageOfUnpaidPrincipalBalance us-gaap:ConcentrationRiskByBenchmark, us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:LineOfCreditFacility

us-gaap:RevenueRightsGranted, us-gaap:ServicingContracts, abr:FederalHomeLoanMortgageCorporationLoans


Percentage
Period End2020-12-31
Value-1.0
Percentage of PercentageOfUnpaidPrincipalBalance0.0

us-gaap:RevenueRightsGranted, us-gaap:ServicingContracts, abr:FederalHousingAdministrationLoans


Percentage
Period End2020-12-31
Value0
Percentage of PercentageOfUnpaidPrincipalBalance0.0

us-gaap:RevenueRightsGranted, us-gaap:ServicingContracts, abr:FederalNationalMortgageAssociationLoans


Percentage
Period End2020-12-31
Value1.0
Percentage of PercentageOfUnpaidPrincipalBalance0.0

us-gaap:RevenueRightsGranted, us-gaap:ServicingContracts, abr:PrivateLabel


Percentage
Period End2020-12-31
Value0
Percentage of PercentageOfUnpaidPrincipalBalance0.0

abr:PercentageOfUnpaidPrincipalBalance us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:ServicingContracts


Percentage
Period End2021-06-302021-03-31
Value0100.0
Percentage of PercentageOfUnpaidPrincipalBalance0.0100.0

abr:PercentageOfUnpaidPrincipalBalance us-gaap:LineOfCreditFacility

abr:FederalHomeLoanMortgageCorporationLoans


Percentage
Period End2021-06-302021-03-31
Value-1.019.0
Percentage of PercentageOfUnpaidPrincipalBalance0.019.0

abr:FederalHousingAdministrationLoans


Percentage
Period End2021-06-302021-03-31
Value03.0
Percentage of PercentageOfUnpaidPrincipalBalance0.03.0

abr:FederalNationalMortgageAssociationLoans


Percentage
Period End2021-06-302021-03-31
Value-1.075.0
Percentage of PercentageOfUnpaidPrincipalBalance0.075.0

abr:PrivateLabel


Percentage
Period End2021-06-302021-03-31
Value2.03.0
Percentage of PercentageOfUnpaidPrincipalBalance0.03.0

abr:PercentageOfUnpaidPrincipalBalance us-gaap:StatementGeographical, us-gaap:ConcentrationRiskByBenchmark, us-gaap:FiniteLivedIntangibleAssetsByMajorClass

abr:OtherStates, us-gaap:RevenueRightsGranted, us-gaap:ServicingContracts


Percentage
Period 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
Value1.039.0-4.043.57-0.010.4400-0.010.430.010
Percentage of PercentageOfUnpaidPrincipalBalance0.039.00.044.00.044.00.00.00.043.00.00.0

stpr:CA, us-gaap:RevenueRightsGranted, us-gaap:ServicingContracts


Percentage
Period 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-1.09.01.07.9200.0800.0100.0800
Percentage of PercentageOfUnpaidPrincipalBalance0.09.00.08.00.08.00.00.00.08.00.00.0

stpr:FL, us-gaap:RevenueRightsGranted, us-gaap:ServicingContracts


Percentage
Period 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-1.07.006.930.010.06000.010.0500
Percentage of PercentageOfUnpaidPrincipalBalance0.07.00.07.00.06.00.00.00.05.00.00.0

stpr:GA, us-gaap:RevenueRightsGranted, us-gaap:ServicingContracts


Percentage
Period 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
Value06.005.9400.060000.0600
Percentage of PercentageOfUnpaidPrincipalBalance0.06.00.06.00.06.00.00.00.06.00.00.0

stpr:NC, us-gaap:RevenueRightsGranted, us-gaap:ServicingContracts


Percentage
Period 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
Value09.008.9100.0900-0.010.100
Percentage of PercentageOfUnpaidPrincipalBalance0.09.00.09.00.09.00.00.00.010.00.00.0

stpr:NJ, us-gaap:RevenueRightsGranted, us-gaap:ServicingContracts


Percentage
Period End2021-06-302021-03-31
Value05.0
Percentage of PercentageOfUnpaidPrincipalBalance0.05.0

stpr:NY, us-gaap:RevenueRightsGranted, us-gaap:ServicingContracts


Percentage
Period 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
Value1.010.008.9100.09000.010.0800
Percentage of PercentageOfUnpaidPrincipalBalance0.010.00.09.00.09.00.00.00.08.00.00.0

stpr:TX, us-gaap:RevenueRightsGranted, us-gaap:ServicingContracts


Percentage
Period 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
Value015.0-1.016.8200.180-0.0100.2-0.010
Percentage of PercentageOfUnpaidPrincipalBalance0.015.00.017.00.018.00.00.00.020.00.00.0

abr:PercentageOfVotingPower us-gaap:ConsolidatedEntities, us-gaap:StatementClassOfStock

abr:PercentageOfVotingPower

srt:PartnershipInterest, abr:SpecialVotingPreferredStock


Percentage
Period End2021-06-302021-03-312020-12-31
Value-1.311.6-0.7
Percentage of PercentageOfVotingPower100.0100.0100.0

abr:PreferredStockAmountOfAccruedDividend us-gaap:StatementClassOfStock

abr:PreferredStockAmountOfAccruedDividend

abr:SeriesACumulativeRedeemablePreferredStock8.25Percent


Preferred
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value267000.0000267000.0000267000.0000267000.0336.000266660.0000266660.0000266660.0000266660.000-266660.0533330.0
Percentage of PreferredStockAmountOfAccruedDividend100.00.00.00.0100.00.00.00.0100.00.00.00.0100.0100.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.0100.0100.0

abr:SeriesBCumulativeRedeemablePreferredStock7.75Percent


Preferred
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value203000.0000203000.0000203000.0000203000.0-438.000203440.0000203440.0000203440.0000203440.00-149190.0
Percentage of PreferredStockAmountOfAccruedDividend76.00.00.00.076.00.00.00.076.00.00.00.076.0-130.40.00.076.30.00.00.076.30.00.00.076.30.00.00.076.30.00.0

abr:SeriesCCumulativeRedeemablePreferredStock8.50Percent


Preferred
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value159000.0000159000.0000159000.0000159000.0-375.000159380.0000159380.0000159380.000-21250.0180620.0
Percentage of PreferredStockAmountOfAccruedDividend59.60.00.00.059.60.00.00.059.60.00.00.059.6-111.60.00.059.80.00.00.059.80.00.00.059.80.00.00.067.7

abr:PrepaymentFeeIncomeGeneratedByServicingAssetsAmount us-gaap:FiniteLivedIntangibleAssetsByMajorClass

abr:PrepaymentFeeIncomeGeneratedByServicingAssetsAmount

us-gaap:ServicingContracts


Prepayment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value4.22.72.72.03.05.14.65.33.54.95.77.54.93.74.83.82.12.04.11.5
Percentage of PrepaymentFeeIncomeGeneratedByServicingAssetsAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:ProceedsFromIssuanceOfCollateralizedLoanObligations

abr:ProceedsFromIssuanceOfCollateralizedLoanObligations


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302017-12-312017-09-30
Value6746550.00.00.06685340.00.00.0356282
Percentage of ProceedsFromIssuanceOfCollateralizedLoanObligations100.0100.00.00.00.0100.0100.00.00.00.0100.0100.0

abr:ProceedsFromIssuanceOfCollateralizedLoanObligationsForAcquiringAdditionalLoan us-gaap:DebtInstrument

abr:ProceedsFromIssuanceOfCollateralizedLoanObligationsForAcquiringAdditionalLoan

abr:CollateralizedLoanObligationsFifteen


Proceeds
Period End2021-06-30
Value162
Percentage of ProceedsFromIssuanceOfCollateralizedLoanObligationsForAcquiringAdditionalLoan100.0

abr:CollateralizedLoanObligationsFourteen


Proceeds
Period End2021-03-31
Value149
Percentage of ProceedsFromIssuanceOfCollateralizedLoanObligationsForAcquiringAdditionalLoan0.0

abr:ProceedsFromLoansAndInvestmentsFundedOriginatedAndPurchased

abr:ProceedsFromLoansAndInvestmentsFundedOriginatedAndPurchased


Proceeds
Period End2021-06-30
Value95
Percentage of ProceedsFromLoansAndInvestmentsFundedOriginatedAndPurchased100.0

abr:ProceedsFromPayoffsAndPaydownsOfLoansAndInvestments

abr:ProceedsFromPayoffsAndPaydownsOfLoansAndInvestments


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value5382345682151602985094475152802722582371922013012641911361202511592871249-376.220294-174.980791-293.140467-219.752724-246.634105-228.173239-179.4130740.70.7-34.733621-30.5327110.80.7-38.882249-77.51735-12.937701-24.944981-42.353408-57.553154-47.57971
Percentage of ProceedsFromPayoffsAndPaydownsOfLoansAndInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:ProceedsFromPayoffsAndPaydownsOfSecuritiesHeldToMaturity

abr:ProceedsFromPayoffsAndPaydownsOfSecuritiesHeldToMaturity


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.1073.381.2443.0912.513.3137.8981.9111.1581.5211.0460.7040.380.1390.3840.0680.0060.002
Percentage of ProceedsFromPayoffsAndPaydownsOfSecuritiesHeldToMaturity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:ProceedsFromSaleOfLoansHeldForSaleExcludingAcquisition

abr:ProceedsFromSaleOfLoansHeldForSaleExcludingAcquisition


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value148018402420122019909578901490923110016501190102010601190105012001360938551
Percentage of ProceedsFromSaleOfLoansHeldForSaleExcludingAcquisition100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:ProceedsFromSaleOfLoansHeldForSaleExcludingAcquisition us-gaap:LineOfCreditFacility

abr:SingleFamilyResidential


Proceeds
Period End2021-06-302021-03-31
Value1263
Percentage of ProceedsFromSaleOfLoansHeldForSaleExcludingAcquisition0.83.4

abr:ProceedsFromSaleOfSignageEasement us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:RealEstateProperties

abr:ProceedsFromSaleOfSignageEasement

srt:OfficeBuilding, abr:RealEstateOwned


Proceeds
Period End2020-12-31
Value1500000.0
Percentage of ProceedsFromSaleOfSignageEasement100.0

abr:PropertyOperatingExpense

abr:PropertyOperatingExpense


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302017-09-302016-09-30
Value0.1290.1430.121.31.0352.4432.5712.5632.6912.5827452.819004
Percentage of PropertyOperatingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:PropertyOperatingExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302017-09-302016-09-30
Value0.1290.1430.121.31.0352.4432.5712.5632.6912.5827452.819004
Percentage of PropertyOperatingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:RelatedPartyLoanCommitmentAmount us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment

abr:RelatedPartyLoanCommitmentAmount

srt:SingleFamily, us-gaap:BridgeLoan


Related
Period End2021-06-302020-12-312020-10-31
Value1.53230
Percentage of RelatedPartyLoanCommitmentAmount100.0100.0100.0

abr:RelatedPartyOwnershipPercentage us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

abr:RelatedPartyOwnershipPercentage

abr:CenturySummerfieldApartments


Related
Period End2021-03-31
Value50.0
Percentage of RelatedPartyOwnershipPercentage100.0

abr:RelatedPartyTransactionReimbursementForFlightsCharteredByCompanySExecutives us-gaap:RelatedPartyTransactionsByRelatedParty

abr:RelatedPartyTransactionReimbursementForFlightsCharteredByCompanySExecutives

abr:EntityControlledByChiefExecutiveOfficer


Related
Period End2021-06-302021-03-312020-06-302020-03-31
Value0100000.00300000.0
Percentage of RelatedPartyTransactionReimbursementForFlightsCharteredByCompanySExecutives0.0100.00.0100.0

abr:RepaymentOfSecuredLoanObligations

abr:RepaymentOfSecuredLoanObligations


Repayment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-30
Value0.0013560.2510.00.02822790.00.00.0
Percentage of RepaymentOfSecuredLoanObligations100.0100.0100.00.00.0100.0100.00.00.00.0

abr:RepaymentOfSecuredLoanObligations us-gaap:DebtInstrument

abr:CollateralizedLoanObligationsNine


Repayment
Period End2021-03-31
Value356
Percentage of RepaymentOfSecuredLoanObligations100.0

abr:SaleMarginOfMortgageLoanSold

abr:SaleMarginOfMortgageLoanSold


Sale
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value2.761.57-0.011.630.01320.01490.00010.01430.01540.0149-0.00150.01470.01530.0171-0.00010.01630.01560.014-0.00110.01760.0148
Percentage of SaleMarginOfMortgageLoanSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:SalePriceOfProperties us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:RealEstateProperties

abr:SalePriceOfProperties

srt:Hotel, abr:RealEstateOwned


Sale
Period End2020-09-30
Value8400000.0
Percentage of SalePriceOfProperties100.0

abr:SalePriceOfProperties us-gaap:RealEstateProperties

abr:RealEstateOwned


Sale
Period End2020-11-30
Value4100000.0
Percentage of SalePriceOfProperties0.0

abr:ServicingAssetAtAmortizedCostWriteDownsAndPayoffs us-gaap:FiniteLivedIntangibleAssetsByMajorClass

abr:ServicingAssetAtAmortizedCostWriteDownsAndPayoffs

abr:ServicingContractsAcquired


Servicing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302017-03-31
Value1.0910.8311.4320.9591.8481.7362.3843.0082.9913.145.0684.4194.43.3413.0965073.393463
Percentage of ServicingAssetAtAmortizedCostWriteDownsAndPayoffs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:ServicingContractsOriginated


Servicing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-30
Value4.542.9972.7152.0811.8024.1844.2133.7721.5991.3182.7622.7310.8671.470.007353
Percentage of ServicingAssetAtAmortizedCostWriteDownsAndPayoffs416.1360.6189.6217.097.5241.0176.7125.453.542.054.561.819.744.00.2

us-gaap:ServicingContracts


Servicing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302017-03-31
Value5.6313.8284.1473.043.655.926.5976.784.594.4587.837.155.2674.8113.103863.393463
Percentage of ServicingAssetAtAmortizedCostWriteDownsAndPayoffs516.1460.6289.6317.0197.5341.0276.7225.4153.5142.0154.5161.8119.7144.0100.2100.0

abr:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfGrant us-gaap:TitleOfIndividual, us-gaap:AwardType, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

abr:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfGrant

srt:ChiefExecutiveOfficer, abr:AcquisitionRelatedGrant, us-gaap:SubsequentEvent, abr:AnnualIncentiveAgreement2021


Share
Period End2021-04-30
Value3.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfGrant100.0

srt:ChiefExecutiveOfficer, abr:PerformanceBasedTsrEquityAward, us-gaap:SubsequentEvent, abr:AnnualIncentiveAgreement2021


Share
Period End2021-04-30
Value12
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfGrant400.0

srt:ChiefExecutiveOfficer, abr:TimeBasedVestingEquityAward, us-gaap:SubsequentEvent, abr:AnnualIncentiveAgreement2021


Share
Period End2021-04-30
Value3.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfGrant100.0

abr:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfGrant us-gaap:TitleOfIndividual, us-gaap:AwardType, us-gaap:TypeOfArrangement

srt:ChiefExecutiveOfficer, abr:AcquisitionRelatedGrant, abr:AnnualIncentiveAgreement2021


Share
Period End2021-04-30
Value3.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfGrant100.0

srt:ChiefExecutiveOfficer, abr:PerformanceBasedTsrEquityAward, abr:AnnualIncentiveAgreement2021


Share
Period End2021-04-30
Value12
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfGrant400.0

srt:ChiefExecutiveOfficer, abr:TimeBasedVestingEquityAward, abr:AnnualIncentiveAgreement2021


Share
Period End2021-04-30
Value3.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfGrant100.0

abr:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue us-gaap:TitleOfIndividual

abr:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue

srt:ChiefExecutiveOfficer


Share
Period End2020-09-30
Value3.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue100.0

abr:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue us-gaap:TitleOfIndividual, us-gaap:AwardType, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

srt:ChiefExecutiveOfficer, abr:TimeBasedVestingEquityAward, us-gaap:SubsequentEvent, abr:AnnualIncentiveAgreement2021


Share
Period End2021-04-30
Value3.1
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue0.0

abr:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue us-gaap:TitleOfIndividual, us-gaap:AwardType, us-gaap:TypeOfArrangement

srt:ChiefExecutiveOfficer, abr:TimeBasedVestingEquityAward, abr:AnnualIncentiveAgreement2021


Share
Period End2021-04-30
Value3.1
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue0.0

abr:UnpaidPrincipalBalanceServicingPortfolio us-gaap:FinancialInstrument, us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments

abr:UnpaidPrincipalBalanceServicingPortfolio

abr:SingleFamilyRentalBonds, us-gaap:ServicingContracts, abr:AgencyBusinessSegment


Unpaid
Period End2021-06-302021-03-31
Value1163
Percentage of UnpaidPrincipalBalanceServicingPortfolio100.0100.0

abr:UnpaidPrincipalBalanceServicingPortfolio us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:LineOfCreditFacility, us-gaap:StatementBusinessSegments

us-gaap:ServicingContracts, abr:FederalHomeLoanMortgageCorporationLoans, abr:AgencyBusinessSegment


Unpaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-86.7714795193126-10.1394570-130.0367.653141451541624633333974332742952163292
Percentage of UnpaidPrincipalBalanceServicingPortfolio-735.17575.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ServicingContracts, abr:FederalHousingAdministrationLoans, abr:AgencyBusinessSegment


Unpaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value867966663-58.1986797.203-0.211356482336-6.819591-0.0715321127498-0.273643
Percentage of UnpaidPrincipalBalanceServicingPortfolio735.11257.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ServicingContracts, abr:FederalNationalMortgageAssociationLoans, abr:AgencyBusinessSegment


Unpaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1181907318067897261494621649340313719367401931270017129623011804661
Percentage of UnpaidPrincipalBalanceServicingPortfolio1003.630132.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ServicingContracts, abr:PrivateLabel, abr:AgencyBusinessSegment


Unpaid
Period End2021-06-302021-03-312020-12-312020-09-30
Value449726-0.071-0.069
Percentage of UnpaidPrincipalBalanceServicingPortfolio3809.81148.40.00.0

abr:UnpaidPrincipalBalanceServicingPortfolio us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments

us-gaap:ServicingContracts, abr:AgencyBusinessSegment


Unpaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value57925455206697913842019793501580188838066844201669060558255314465953
Percentage of UnpaidPrincipalBalanceServicingPortfolio4913.440214.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

abr:WeightedAverageServicingFeeRate us-gaap:FinancialInstrument, us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments

abr:WeightedAverageServicingFeeRate

abr:SingleFamilyRentalBonds, us-gaap:ServicingContracts, abr:AgencyBusinessSegment


Weighted
Period End2021-06-302021-03-31
Value020.0
Percentage of WeightedAverageServicingFeeRate0.0100.0

abr:WeightedAverageServicingFeeRate us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:LineOfCreditFacility, us-gaap:StatementBusinessSegments

us-gaap:ServicingContracts, abr:FederalHomeLoanMortgageCorporationLoans, abr:AgencyBusinessSegment


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.228.3-0.928.7971e-050.002940-1e-05-2e-050.00303004e-050.003049e-050.0006-0.227740.23-0.2278
Percentage of WeightedAverageServicingFeeRate0.0141.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ServicingContracts, abr:FederalHousingAdministrationLoans, abr:AgencyBusinessSegment


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-0.316.0-0.817.0982e-050.0015201e-05-2e-050.00155-2e-05-2e-05-3e-050.001620-4e-05-0.168310.17-0.1782
Percentage of WeightedAverageServicingFeeRate0.080.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ServicingContracts, abr:FederalNationalMortgageAssociationLoans, abr:AgencyBusinessSegment


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.452.80.751.5950.000120.004931e-05-3e-05-0.000120.00507-0.0001-7e-05-5e-050.00535-1e-05-1e-05-0.524620.53-0.5247
Percentage of WeightedAverageServicingFeeRate0.0264.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ServicingContracts, abr:PrivateLabel, abr:AgencyBusinessSegment


Weighted
Period End2021-06-302021-03-312020-12-312020-09-30
Value020.0019.998
Percentage of WeightedAverageServicingFeeRate0.0100.00.00.0

abr:WeightedAverageServicingFeeRate us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments

us-gaap:ServicingContracts, abr:AgencyBusinessSegment


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-0.146.00.644.7965e-050.004363e-05-1e-05-0.00010.00446-0.0001-7e-05-6e-050.00475-3e-056e-05-0.475260.48-0.4752
Percentage of WeightedAverageServicingFeeRate0.0230.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

abr:WriteOffOfCapitalizedMortgageServicingRightsFromPayoffs

abr:WriteOffOfCapitalizedMortgageServicingRightsFromPayoffs


Write
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value5.6313.8284.1473.043.655.926.5986.7794.594.4587.837.155.2674.8115.1187264.2162743.1043.3934.126919
Percentage of WriteOffOfCapitalizedMortgageServicingRightsFromPayoffs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:MortgageLoansOnRealEstateCollectionsOfPrincipal us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:TypeOfArrangement

srt:MortgageLoansOnRealEstateCollectionsOfPrincipal

srt:RetailSite, abr:LoanModificationAgreement


Mortgage
Period End2020-08-31
Value6.0
Percentage of MortgageLoansOnRealEstateCollectionsOfPrincipal100.0

srt:MortgageLoansOnRealEstateInterestRate

srt:MortgageLoansOnRealEstateInterestRate


Mortgage
Period 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-0.215.06-0.165.3343-0.00130.057-0.0035-0.0031-0.00410.07050.00140.0012
Percentage of MortgageLoansOnRealEstateInterestRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:MortgageLoansOnRealEstateInterestRate us-gaap:FinancingReceivablePortfolioSegment

abr:MezzanineLoan


Mortgage
Period End2021-06-302021-03-312020-12-31
Value-0.026.63-0.12
Percentage of MortgageLoansOnRealEstateInterestRate9.5131.075.0

abr:OtherLoan


Mortgage
Period End2021-06-302021-03-312020-12-31
Value0.064.570.06
Percentage of MortgageLoansOnRealEstateInterestRate-28.690.3-37.5

abr:PreferredEquityInvestmentsInMortgageLoans


Mortgage
Period End2021-06-302021-03-312020-12-31
Value-0.617.00.04
Percentage of MortgageLoansOnRealEstateInterestRate290.5138.3-25.0

us-gaap:BridgeLoan


Mortgage
Period End2021-06-302021-03-312020-12-31
Value-0.184.93-0.15
Percentage of MortgageLoansOnRealEstateInterestRate85.797.493.8

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt us-gaap:DebtInstrument

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt

us-gaap:ConvertibleDebt


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value09962000.00009962000.0526000.0009436000.002703000.006733000.04201100.001.02531900.0
Percentage of AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt0.0100.00.00.00.0100.0100.00.00.0100.00.0100.00.0100.0100.00.0100.0100.0

us-gaap:AllowanceForLoanAndLeaseLossesWriteoffsNet

us-gaap:AllowanceForLoanAndLeaseLossesWriteoffsNet


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-7.815-1.0751.6-7.58612549.320.836-2.1270.325-0.0003472.0-1.76-0.696-0.109005-0.0540.044005
Percentage of AllowanceForLoanAndLeaseLossesWriteoffsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForLoanAndLeaseLossesWriteoffsNet us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.518-0.0460.016-1.5212.1560.492
Percentage of AllowanceForLoanAndLeaseLossesWriteoffsNet-6.64.31.020.117.00.9

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-8.333-1.0291.584-6.06510539.320.836-2.1270.325-0.0003472.0-1.76-0.696-0.109005-0.054
Percentage of AllowanceForLoanAndLeaseLossesWriteoffsNet106.695.799.079.983.099.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfDebtDiscountPremium us-gaap:DebtInstrument

us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:ConvertibleDebt


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
Value800000.0800000.0500000.0800000.0800000.0900000.05400000.0800000.0800000.0900000.0900000.0900000.0600000.0600000.0400000.0200000.0200000.0200000.0
Percentage of AmortizationOfDebtDiscountPremium100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfMortgageServicingRightsMSRs

us-gaap:AmortizationOfMortgageServicingRightsMSRs


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
Value141413121111111212121211111111111111147.586524
Percentage of AmortizationOfMortgageServicingRightsMSRs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfMortgageServicingRightsMSRs us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


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
Value141413121111111212121211111111111111147.586524
Percentage of AmortizationOfMortgageServicingRightsMSRs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStockDividendsPerShareDeclared


Common
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-05-012013-06-302013-02-122013-03-312012-10-312012-08-312012-09-302012-05-312012-06-302011-09-302011-06-302010-09-30
Value0.340.330.310.30.30.290.280.270.250.250.210.180.180.170.160.150.150.150.150.130.130.130.130.130.120.120.120.120.110.10.10.0750.075000
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:CommonStockDividendsPerShareDeclared us-gaap:StatementEquityComponents

us-gaap:CommonStock


Common
Period End2021-05-052021-02-172020-07-292020-05-062020-04-292020-02-132019-10-302019-07-312019-05-012019-02-132018-12-132018-12-312018-10-312018-08-012018-05-022018-02-212017-11-012017-08-022017-05-032017-03-012016-11-172016-11-022016-08-312016-08-032016-05-042016-02-242015-11-042015-07-292015-04-292015-02-112015-02-022014-11-052014-07-302014-04-292014-06-302014-02-122014-03-31
Value0.340.330.310.30.30.30.30.290.280.270.150.150.270.250.250.210.190.180.180.170.160.160.160.160.150.150.150.150.150.130.130.130.130.1300.130.13
Percentage of CommonStockDividendsPerShareDeclared0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.00.0

us-gaap:ConcentrationRiskPercentage1 us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:ConcentrationRiskPercentage1

us-gaap:AssetsTotal, us-gaap:CreditConcentrationRisk


Concentration
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-31
Value12.00.130.190.230.150.230.230.260.29
Percentage of ConcentrationRiskPercentage1100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConcentrationRiskPercentage1 us-gaap:StatementGeographical, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

stpr:NY, abr:LoansAndInvestmentsPortfolio, us-gaap:CreditConcentrationRisk


Concentration
Period End2021-03-312020-03-312019-03-31
Value22.00.160.23
Percentage of ConcentrationRiskPercentage1183.3123.1121.1

stpr:TX, abr:LoansAndInvestmentsPortfolio, us-gaap:CreditConcentrationRisk


Concentration
Period End2021-03-312020-03-312019-03-31
Value14.00.120.16
Percentage of ConcentrationRiskPercentage1116.792.384.2

us-gaap:ContractuallySpecifiedServicingFeesAmount

us-gaap:ContractuallySpecifiedServicingFeesAmount


Contractually
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value292927252525262524252326222121201816
Percentage of ContractuallySpecifiedServicingFeesAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractuallySpecifiedServicingFeesAmount us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


Contractually
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value292927252525262524252326222121201816
Percentage of ContractuallySpecifiedServicingFeesAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConversionOfStockAmountIssued1

us-gaap:ConversionOfStockAmountIssued1


Conversion
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.0030.0-4.5024.595660.00.02.507
Percentage of ConversionOfStockAmountIssued1100.00.0100.0100.0100.00.00.0100.0

us-gaap:CostsAndExpensesRelatedParty us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:CostsAndExpensesRelatedParty

abr:SupportServices, abr:FormerManager


Costs
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value800000.0600000.0700000.0700000.0600000.0500000.0900000.0300000.0300000.0300000.0300000.0100000.0
Percentage of CostsAndExpensesRelatedParty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

abr:SupportServicesAndSecondedEmployees, abr:FormerManager


Costs
Period End2021-06-302020-06-30
Value800000.0700000.0
Percentage of CostsAndExpensesRelatedParty0.0100.0

us-gaap:CurrentIncomeTaxExpenseBenefit

us-gaap:CurrentIncomeTaxExpenseBenefit


Current
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value118.014131.25.52.8854.43.54.2376.74.34.54.5587.64.34.3
Percentage of CurrentIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentConvertibleConversionRatio1 us-gaap:DebtInstrument

us-gaap:DebtInstrumentConvertibleConversionRatio1

abr:ConvertibleSeniorUnsecuredNotes4.75


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-11-30
Value0.127156.4060.049056.16956.169
Percentage of DebtInstrumentConvertibleConversionRatio1100.0100.0100.00.0100.0100.0

us-gaap:DebtInstrumentInterestRateIncreaseDecrease us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments

us-gaap:DebtInstrumentInterestRateIncreaseDecrease

abr:WarehouseRepurchaseFacility400million, abr:StructuredTransactionBusinessSegment


Debt
Period End2021-01-312020-03-31
Value200.025.0
Percentage of DebtInstrumentInterestRateIncreaseDecrease100.0100.0

us-gaap:DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod

us-gaap:DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed

abr:SeniorUnsecuredNote4.75AndNote5.75AndNote5.625, abr:AnyTimePriorToRedemptionDateAtMaturityPrice


Debt
Period End2021-06-302021-03-31
Value0100.0
Percentage of DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed0.0100.0

abr:SeniorUnsecuredNote4.75AndNote5.75AndNote5.625, abr:OnOrAfterMaturityDate


Debt
Period End2021-06-302021-03-31
Value0100.0
Percentage of DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed0.0100.0

abr:SeniorUnsecuredNote8.00AndNote4.50, abr:PriorToThreeMonthsBeforeMaturityDate


Debt
Period End2021-06-302021-03-31
Value0100.0
Percentage of DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed0.0100.0

abr:SeniorUnsecuredNote8.00AndNote4.50, abr:ThreeMonthsPriorToOrAfterMaturityDate


Debt
Period End2021-06-302021-03-31
Value0100.0
Percentage of DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed0.0100.0

us-gaap:DebtSecuritiesHeldToMaturityCreditLossExpenseReversal

us-gaap:DebtSecuritiesHeldToMaturityCreditLossExpenseReversal


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value518000.0-47000.0-1520000.02156000.0491000.0
Percentage of DebtSecuritiesHeldToMaturityCreditLossExpenseReversal100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesHeldToMaturityCreditLossExpenseReversal us-gaap:FinancialInstrument

abr:AgencyPrivateLabelCertificates


Debt
Period End2021-06-302021-03-312020-09-302020-06-30
Value577000.0-32000.0-1312000.02079000.0
Percentage of DebtSecuritiesHeldToMaturityCreditLossExpenseReversal111.468.186.396.4

abr:BPieceBonds


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value-59000.0-15000.0-208000.077000.0491000.0
Percentage of DebtSecuritiesHeldToMaturityCreditLossExpenseReversal-11.431.913.73.6100.0

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value1788000.01755000.01810000.01922000.01961000.01947000.01847000.01841000.01909000.01912000.01914000.01848000.01845000.01846000.01843000.01829000.01815700.01897200.01892500.01808800.0443110.0877530.01299200.01250800.01447600.01438700.01595000.01806700.02158400.01811700.01769100.01720000.01827600.01632100.01502500.01574500.01540200.01176800.0988170.01790700.01898000.0239450.0247060.0134540.0
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationAndAmortization us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


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
Value1173000.01173000.01264000.01324000.01332000.01327000.01325000.01338000.01400000.01400000.01401000.01401000.01401000.01400000.01399600.01400500.01400500.01400500.01400500.01167000.0
Percentage of DepreciationAndAmortization65.666.869.868.967.968.271.772.773.373.273.275.875.975.875.976.677.173.874.064.5

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value615000.0582000.0546000.0598000.0629000.0620000.0522000.0503000.0509000.0512000.0513000.0447000.0444000.0446000.0443370.0428560.0415270.0496800.0492040.0641720.01250800.0
Percentage of DepreciationAndAmortization34.433.230.231.132.131.828.327.326.726.826.824.224.124.224.123.422.926.226.035.5100.0

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:DerivativeGainLossOnDerivativeNet


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-2.607-3.220.517-0.753-7.368-50.7314.764-5.0030.742-2.465
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-2.607-3.220.2-0.871-7.074-47.7314.371-4.6951.103-2.465
Percentage of DerivativeGainLossOnDerivativeNet100.0100.038.7115.796.094.191.893.8148.7100.0

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.3170.118-0.294-3.00.393-0.308-0.361
Percentage of DerivativeGainLossOnDerivativeNet61.3-15.74.05.98.26.2-48.7

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:IncomeStatementLocation

us-gaap:OtherIncome


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value26366842322127291814
Percentage of DerivativeGainLossOnDerivativeNet-1008.8-1146.013307.5-5630.8-439.7-43.2585.6-597.62520.2-576.1

us-gaap:DividendsCommonStock

us-gaap:DividendsCommonStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value45413935333330272623331815121111118.738228.2242078.2223487.7072117.6442277.6443727.6443777.6445156.562056.562056.562056.517726.387726.387725.6078075.1764374.1545533.4374152.774923
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock us-gaap:StatementEquityComponents

us-gaap:Parent


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value45413935333330272623331815121111118.738228.2242076.387725.6078075.1764374.1545533.4374152.774923
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value45413935333330272623331815121111118.738228.2242078.2223487.7072117.6442277.6443727.6443777.6445156.562056.562056.562056.517726.387726.387725.6078075.1764374.1545533.4374152.774923
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStock

us-gaap:DividendsPreferredStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value6416000.01893000.01891000.01888000.01884000.01888000.01889000.01888000.01888000.01888000.01889000.01888000.01888000.01888000.01888700.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888500.01590900.01410300.03655.04966.003615.03655.03655.0
Percentage of DividendsPreferredStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:DividendsPreferredStock us-gaap:StatementEquityComponents

us-gaap:Parent


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value6416000.01893000.01891000.01888000.01884000.01888000.01889000.01888000.01888000.01888000.01889000.01888000.01888000.01888000.01888700.01888400.01888400.01888400.01888400.01410300.03655.04966.003615.03655.03655.0
Percentage of DividendsPreferredStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value6416000.01893000.01891000.01888000.01884000.01888000.01889000.01888000.01888000.01888000.01889000.01888000.01888000.01888000.01888700.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888500.01590900.01410300.03655.04966.003615.03655.03655.0
Percentage of DividendsPreferredStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate us-gaap:Range

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

srt:Minimum


Effective
Period End2021-03-31
Value90.0
Percentage of EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate100.0

us-gaap:EquityMethodInvestmentDividendsOrDistributions us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:EquityMethodInvestmentDividendsOrDistributions

abr:ArborResidentialInvestorLLLC


Equity
Period End2021-06-302021-03-312020-09-30
Value5.61315
Percentage of EquityMethodInvestmentDividendsOrDistributions100.0100.0100.0

abr:CenturySummerfieldApartments


Equity
Period End2021-06-30
Value17
Percentage of EquityMethodInvestmentDividendsOrDistributions307.1

us-gaap:EquityMethodInvestmentDividendsOrDistributions us-gaap:EquityMethodInvestmentNonconsolidatedInvestee, us-gaap:SubsequentEventType

abr:ArborResidentialInvestorLLLC, us-gaap:SubsequentEvent


Equity
Period End2021-04-30
Value5.6
Percentage of EquityMethodInvestmentDividendsOrDistributions0.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value2135694031102129171336171718211715161010
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value124000.01439000.0-193000.02160000.0549000.02069000.0477000.0589000.0745000.0400000.0-425000.0749000.0606000.0717000.0-143760.0419760.01419500.0381000.02134100.0681880.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value2337694033112130181436171819211816191015
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-9900000.0-8700000.0100000.0-900000.04100000.08200000.013900000.0-4700000.01100000.0-2500000.03700000.0-4400000.0-600000.02600000.0900000.0200000.01600000.0-1000000.0300000.0200000.0
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfDerivatives us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation, us-gaap:StatementBusinessSegments

us-gaap:GainLossOnSaleOfDerivatives

us-gaap:InterestRateSwap, us-gaap:OtherIncome, abr:AgencyBusinessSegment


Gain
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value9.40.2-0.1-11.2464.40.2
Percentage of GainLossOnSaleOfDerivatives100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestRateSwap, us-gaap:OtherIncome, abr:StructuredBusinessSegment


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.0-0.2-0.2-2.60.2-0.4-0.3
Percentage of GainLossOnSaleOfDerivatives0.0200.01.8-5.74.5-200.00.0

us-gaap:GainLossOnSaleOfProperties us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:RealEstateProperties

us-gaap:GainLossOnSaleOfProperties

srt:Hotel, abr:RealEstateOwned


Gain
Period End2020-09-30
Value1.9
Percentage of GainLossOnSaleOfProperties100.0

us-gaap:GainLossOnSaleOfProperties us-gaap:RealEstateProperties

abr:RealEstateOwned


Gain
Period End2020-11-30
Value1.0
Percentage of GainLossOnSaleOfProperties0.0

us-gaap:GainLossOnSalesOfLoansNet

us-gaap:GainLossOnSalesOfLoansNet


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value402834192614132114161817151817171819
Percentage of GainLossOnSalesOfLoansNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSalesOfLoansNet us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value402834192614132114161817151817171819
Percentage of GainLossOnSalesOfLoansNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate


Gains
Period End2021-06-302021-03-312020-12-312020-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.01.2281.493-1.8680.00.0110.6075533.7996570.00.03.9843641.803512-0.199749
Percentage of GainsLossesOnSalesOfInvestmentRealEstate0.0100.0100.0100.00.00.0100.0100.0100.00.00.0100.0100.0100.0

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


Gains
Period End2021-06-302021-03-31
Value0.01.228
Percentage of GainsLossesOnSalesOfInvestmentRealEstate0.0100.0

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Gains
Period End2020-12-312020-09-302016-12-31
Value0.99-1.8680.0
Percentage of GainsLossesOnSalesOfInvestmentRealEstate66.3100.00.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value4.759221932203.9921.5023.7183.2642.1510.091-1.0281.3870.746-4.7060.995312-0.0029440.7627771.8006894.9293754.3671011.8974421.3173396.3532391.5340253.0959130.219287-0.051170.0404930.0400480.040937-0.081723-0.081804-0.0818850.002347-0.225493-0.224136-0.250574-0.0947483.7173230.0244460.024365-1.2124320.025588-0.027348
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:BusinessAcquisition, us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

abr:ResidentialMortgageBankingCompanyAcquisitions, abr:ArborResidentialInvestorLLLC


Income
Period End2020-09-302019-09-30
Value322.6
Percentage of IncomeLossFromEquityMethodInvestments99.869.9

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:BusinessAcquisition, us-gaap:RelatedPartyTransactionsByRelatedParty

abr:ResidentialMortgageBankingCompanyAcquisitions, abr:ArborCommercialMortgageLLC


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-131.832202.91.12.62.70.8-2.10.40.70.1-5.4-1.2-0.70.11.14.23.21.60.11.4
Percentage of IncomeLossFromEquityMethodInvestments-679.399.8102.472.673.269.982.737.2-2307.7-38.950.513.4114.7-120.623777.213.161.185.273.384.37.622.0

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value4.759221932203.9921.5023.7183.2642.1510.092-1.0281.3870.746-4.7061450.995312-0.0029440.7627771.8006894.9293756.353239
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0101.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

abr:AmacHoldingsIiiLlc


Income
Period End2021-06-302021-03-31
Value0.20.3
Percentage of IncomeLossFromEquityMethodInvestments4.21.3

abr:ArborResidentialInvestorLLLC


Income
Period End2021-06-302021-03-312020-06-302020-03-31
Value4.822202.9
Percentage of IncomeLossFromEquityMethodInvestments100.9101.1102.472.6

abr:CenturySummerfieldApartments


Income
Period End2021-06-30
Value0.2
Percentage of IncomeLossFromEquityMethodInvestments4.2

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:FinancingReceivablePortfolioSegment, us-gaap:RelatedPartyTransactionsByRelatedParty

abr:PreferredEquityInvestmentsInMortgageLoans, abr:LexfordPortfolio


Income
Period End2020-09-302020-06-302020-03-312019-09-30
Value1.3-0.21.11.2
Percentage of IncomeLossFromEquityMethodInvestments4.0-1.027.632.3

us-gaap:InterestAndFeeIncomeLoansRealEstateConstruction

us-gaap:InterestAndFeeIncomeLoansRealEstateConstruction


Interest
Period End2021-06-30
Value3500000.0
Percentage of InterestAndFeeIncomeLoansRealEstateConstruction100.0

us-gaap:InterestExpenseDebtExcludingAmortization us-gaap:DebtInstrument

us-gaap:InterestExpenseDebtExcludingAmortization

us-gaap:ConvertibleDebt


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
Value3.33.33.43.33.33.43.13.53.43.53.53.13.23.62.61.61.61.6
Percentage of InterestExpenseDebtExcludingAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterest us-gaap:InformationByCategoryOfDebtSecurity

us-gaap:InvestmentIncomeInterest

us-gaap:HeldtomaturitySecurities


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3100000.02900000.02800000.02900000.01700000.02300000.03100000.02300000.02300000.02100000.04100000.0600000.01300000.01100000.0
Percentage of InvestmentIncomeInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense

us-gaap:LaborAndRelatedExpense


Labor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value43424232343428322931262726292525211915144.3114124.3283423.3670544.8770594.9661384.2902063.4000043.6397223.5525483.3859492.9946932.9953222.9686783.0836393.0055352.3014422.3818172.4847784.4984422.3237342.2854332.0880542.3053161.8536261.995469
Percentage of LaborAndRelatedExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


Labor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value3131312425232025222319212021191917161310
Percentage of LaborAndRelatedExpense72.873.173.373.173.468.371.176.476.573.475.675.974.874.376.377.581.480.782.475.7

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Labor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value1111118.8739.161108.2167.7696.8158.4646.4376.6836.7497.5865.9853795.6702494.0669723.83242.7833073.4607454.877059
Percentage of LaborAndRelatedExpense27.226.926.726.926.631.728.923.623.526.624.424.125.225.723.722.518.619.317.624.3100.0

us-gaap:LineOfCreditFacilityIncreaseDecreaseForPeriodNet

us-gaap:LineOfCreditFacilityIncreaseDecreaseForPeriodNet


Line
Period End2021-04-30
Value500
Percentage of LineOfCreditFacilityIncreaseDecreaseForPeriodNet100.0

us-gaap:LossContingencyAccrualProvision

us-gaap:LossContingencyAccrualProvision


Loss
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.5491.652-6.884-2.2272.39521-0.410.7350.3680.454
Percentage of LossContingencyAccrualProvision100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LossContingencyAccrualProvision us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


Loss
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.5491.652-6.884-2.2272.39521-0.410.7350.3680.454
Percentage of LossContingencyAccrualProvision100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LossContingencyAccrualProvision us-gaap:InvestmentType, us-gaap:LossContingenciesByNatureOfContingency

us-gaap:FederalNationalMortgageAssociationCertificatesAndObligationsFNMA, us-gaap:PerformanceGuarantee


Loss
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.7161.748-6.159-2.0312.673210.9991.3261.6750.8791.8632.9241.1341.2050.9481.2651.892.254
Percentage of LossContingencyAccrualProvision130.4105.889.591.2111.6101.7-243.7180.4455.2193.60.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromRedemptions

us-gaap:MinorityInterestDecreaseFromRedemptions


Minority
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value210.978290.01.60.0010.00.0431.6310.06.845
Percentage of MinorityInterestDecreaseFromRedemptions100.0100.0100.00.0100.0100.00.0100.0100.00.0100.0

us-gaap:MinorityInterestDecreaseFromRedemptions us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Minority
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.5390.00.01.5990.00.0-0.001-2.935
Percentage of MinorityInterestDecreaseFromRedemptions55.10.00.099.90.00.0-2.3-180.0

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value210.439290.0010.00.0434.566-0.0066.845
Percentage of MinorityInterestDecreaseFromRedemptions99.944.999.9100.00.0100.0280.00.0100.0

us-gaap:Parent


Minority
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0120.5390.0280.01.60.00.0-0.001-2.935
Percentage of MinorityInterestDecreaseFromRedemptions0.155.10.10.0100.00.00.0-2.3-180.0

us-gaap:PreferredStock


Minority
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0120.00.0280.00.0010.00.00.00.003
Percentage of MinorityInterestDecreaseFromRedemptions0.10.00.10.00.10.00.00.00.2

us-gaap:MortgageLoansOnRealEstatePeriodIncreaseDecrease us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:TypeOfArrangement

us-gaap:MortgageLoansOnRealEstatePeriodIncreaseDecrease

srt:Hotel, abr:ForbearanceAgreement


Mortgage
Period End2020-08-31
Value-10000000.0
Percentage of MortgageLoansOnRealEstatePeriodIncreaseDecrease100.0

srt:RetailSite, abr:LoanModificationAgreement


Mortgage
Period End2020-08-31
Value-8000000.0
Percentage of MortgageLoansOnRealEstatePeriodIncreaseDecrease80.0

us-gaap:MortgageServicingRightsMSRImpairmentRecovery

us-gaap:MortgageServicingRightsMSRImpairmentRecovery


Mortgage
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value5672000.0-15465000.0-6704000.0-5081000.07458000.0-19241000.0-6632000.0-10946000.0-2786.0-4202.0-10568000.0-3848.0557.0-5917.0-211580.01822300.01829900.0-9522600.0-7370600.0
Percentage of MortgageServicingRightsMSRImpairmentRecovery100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MortgageServicingRightsMSRImpairmentRecovery us-gaap:DerivativeInstrumentRisk

abr:ServicingContractsHeldForSale


Mortgage
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value4357000.0-14026000.0-6897000.0-3470000.04020000.0-15254000.0-6155000.0-10358000.0-2441.0-3802.0-10245000.0-3705.0446.0-5200.0-355340.0822520.02868000.0-9141200.0-5236400.0
Percentage of MortgageServicingRightsMSRImpairmentRecovery76.890.7102.968.353.979.392.894.687.690.596.996.380.187.9167.945.1156.796.071.0

us-gaap:InterestRateLockCommitments


Mortgage
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1315000.0-1439000.0193000.0-1611000.03438000.0-3987000.0-477000.0-588260.0-345.0-400.0-323250.0-143.0111.0-717.0143760.0999770.0-1038100.0-381470.0-2134200.0
Percentage of MortgageServicingRightsMSRImpairmentRecovery23.29.3-2.931.746.120.77.25.412.49.53.13.719.912.1-67.954.9-56.74.029.0

us-gaap:NoninterestIncome

us-gaap:NoninterestIncome


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value817811876662.30562625044775546535147444649344.6412235.4212954.9171357.2544847.278658.486343
Percentage of NoninterestIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestIncome us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value797811774651.816060464175524350484441424731
Percentage of NoninterestIncome98.599.199.197.197.878.597.296.493.193.097.094.593.494.194.393.392.092.895.491.2

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1.2550.6811.0222.2011.4470.4951.7442.2543.4373.142.3033.0573.0813.1432.9196353.2082963.5941383.3339312.2885193.071976
Percentage of NoninterestIncome1.50.90.92.92.221.52.83.66.97.03.05.56.65.95.76.78.07.24.68.8

us-gaap:NoninterestIncome us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

abr:ArborResidentialInvestorLLLC


Noninterest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value264366361516173
Percentage of NoninterestIncome325.3464.9469.5773.97521.7

us-gaap:NoninterestIncomeOtherOperatingIncome

us-gaap:NoninterestIncomeOtherOperatingIncome


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1263000.0681000.0705000.01050000.01049000.01303000.04628000.0-4678000.01393000.0-2128000.09735000.0-3982000.0-470000.02878000.01616000.0778000.0-821000.0-886000.0
Percentage of NoninterestIncomeOtherOperatingIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestIncomeOtherOperatingIncome us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, abr:AgencyBusinessSegment


Noninterest
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value8000.00-1000.059000.04371000.0-4695000.01103000.0-2465000.09002000.0-4388000.0-587000.02645000.0914000.0238000.0-1552000.0-997000.0
Percentage of NoninterestIncomeOtherOperatingIncome0.60.0-0.15.694.4100.479.2115.892.5110.2124.991.956.630.6189.0112.5

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1255000.0681000.0705000.01050000.0990000.01303000.0257000.017000.0290000.0337000.0733000.0406000.0117000.0233000.0702000.0540000.0731000.0111000.0
Percentage of NoninterestIncomeOtherOperatingIncome99.4100.0100.0100.094.4100.05.6-0.420.8-15.87.5-10.2-24.98.143.469.4-89.0-12.5

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
Value2400000.02300000.01600000.01500000.01500000.01600000.01600000.01500000.01500000.01500000.0
Percentage of OperatingLeaseExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncome

us-gaap:OperatingLeaseLeaseIncome


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.01.0330.7512.1921.4872.2373.1472.8031.572.651
Percentage of OperatingLeaseLeaseIncome0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, abr:StructuredTransactionBusinessSegment


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.01.0330.7512.1921.4872.2373.1472.8031.572.651
Percentage of OperatingLeaseLeaseIncome0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForOriginationOfMortgageLoansHeldForSale

us-gaap:PaymentsForOriginationOfMortgageLoansHeldForSale


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value13281412276914871364108812051386122574616191374104410351157998102012671300
Percentage of PaymentsForOriginationOfMortgageLoansHeldForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsMinorityInterest

us-gaap:PaymentsOfDividendsMinorityInterest


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value5.642110.06.116.1455.945.7365.5665.5765.3095.3074.4584.0343.8213.8223.609
Percentage of PaymentsOfDividendsMinorityInterest100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1891000.01892000.01893000.01888000.01889000.01888000.01889000.01888000.01889000.01888000.01889000.01888000.01888700.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01888400.01909700.01410300.01410300.01559500.01062500.04132.03655.04966.003615.03655.03655.03615.03575.03655.03655.0
Percentage of PaymentsOfDividendsPreferredStockAndPreferenceStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsOfFinancingCosts


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-302010-12-312010-09-30
Value119.0281.0010.7443.29213151.2166.9692.3930.7059.2586.6613.875135.6255415.0235940.8331225.5355144.9266090.071520.0837150.0994544.3722610.812645.4919080.5106033.1230426.2228560.7167440.5260630.3206761.0944973.096570.206193.0124990.1077720.4906490.024250.018
Percentage of PaymentsOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-03-312019-12-312019-03-31
Value308000.05647000.03100000.01630000.003487000.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.00.0100.0

us-gaap:PaymentsToAcquireAndDevelopRealEstate

us-gaap:PaymentsToAcquireAndDevelopRealEstate


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312010-09-30
Value02000.0-101000.0230000.0268000.0-80000.085000.0202000.058000.089000.0154000.066000.0109980.0128820.0314550.0118660.0-23408.0193690.026118.0391690.0198300.0631750.0499500.0894120.01040500.01466300.0929730.01278300.02336200.01729200.01139100.02799700.01322700.01134300.0884770.0864780.0490000.0513060.0-71545.035730.0
Percentage of PaymentsToAcquireAndDevelopRealEstate0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireEquityMethodInvestments us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:PaymentsToAcquireEquityMethodInvestments

abr:AmacHoldingsIiiLlc


Payments
Period End2021-03-31
Value30
Percentage of PaymentsToAcquireEquityMethodInvestments100.0

abr:LexfordPortfolio


Payments
Period End2021-03-31
Value4.0
Percentage of PaymentsToAcquireEquityMethodInvestments13.3

us-gaap:PaymentsToAcquireHeldToMaturitySecurities

us-gaap:PaymentsToAcquireHeldToMaturitySecurities


Payments
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value-0.0010.00.010.00.010.0250.0138.4458.834100.07.8380.00.08.524327203.49864.7500191544310.0
Percentage of PaymentsToAcquireHeldToMaturitySecurities100.00.00.0100.00.0100.0100.00.0100.0100.0100.0100.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliates

us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliates


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value0.029210.7940.0380.00.064.3823.0350.0756.030.0130.020.02.460.0004640.0424990.3019820.3480551.4489430.4543911.739462.4481222.3056252.0680541.690911130.0
Percentage of PaymentsToAcquireInterestInSubsidiariesAndAffiliates100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:PreferredStockAccretionOfRedemptionDiscount

us-gaap:PreferredStockAccretionOfRedemptionDiscount


Preferred
Period End2021-06-30
Value89
Percentage of PreferredStockAccretionOfRedemptionDiscount100.0

us-gaap:PreferredStockAccretionOfRedemptionDiscount us-gaap:StatementEquityComponents

us-gaap:Parent


Preferred
Period End2021-06-30
Value89
Percentage of PreferredStockAccretionOfRedemptionDiscount100.0

us-gaap:PreferredStock


Preferred
Period End2021-06-30
Value89
Percentage of PreferredStockAccretionOfRedemptionDiscount100.0

us-gaap:PreferredStockDividendRatePercentage us-gaap:StatementClassOfStock

us-gaap:PreferredStockDividendRatePercentage

abr:SeriesACumulativeRedeemablePreferredStock8.25Percent


Preferred
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value08.2500.08250000.08250000.08250000.08250000.08250000.08250000.082500
Percentage of PreferredStockDividendRatePercentage0.0100.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.0

abr:SeriesBCumulativeRedeemablePreferredStock7.75Percent


Preferred
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value07.7500.07750000.07750000.07750000.07750000.07750000.07750000.077500
Percentage of PreferredStockDividendRatePercentage0.093.90.093.90.00.00.093.90.00.00.093.90.00.00.093.90.00.00.093.90.00.00.093.90.00.00.093.90.00.0

abr:SeriesDCumulativeRedeemablePreferredStock6.375Percent


Preferred
Period End2021-06-30
Value6.375
Percentage of PreferredStockDividendRatePercentage0.0

us-gaap:PreferredStockDividendRatePercentage us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

abr:SeriesACumulativeRedeemablePreferredStock8.25Percent, us-gaap:PreferredStock


Preferred
Period End2020-07-292020-04-292020-01-312019-10-302019-07-312019-05-012019-02-012018-10-312018-08-012018-05-022018-02-022017-11-012017-08-022017-05-032017-02-032016-11-022016-08-312016-05-022016-02-012015-11-022014-06-302014-03-312014-01-022013-12-312013-09-302013-06-302013-02-282013-02-022013-02-012013-03-31
Value0.08250.08250.08250.08250.08250.08250.08250.08250.08250.08250.08250.08250.08250.08250.08250.08250.08250.08250.08250.082500.08250.08250000.08250.08250.08250.0825
Percentage of PreferredStockDividendRatePercentage0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.00.00.00.00.00.00.00.00.0

abr:SeriesBCumulativeRedeemablePreferredStock7.75Percent, us-gaap:PreferredStock