MFA


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

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:SharesIssued
us-gaap:StatementEquityComponents

us-gaap:CommonStockSharesIssued
us-gaap:StatementClassOfStock
us-gaap:PreferredStockSharesIssued

us-gaap:CommonStockSharesAuthorized
us-gaap:StatementClassOfStock
us-gaap:PreferredStockSharesAuthorized

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostsAndExpenses
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:InterestAndFeeIncomeLoansAndLeases
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancialInstrument, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancialInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:InterestExpense

us-gaap:InterestExpenseDebt

us-gaap:InterestIncomeExpenseNet
us-gaap:DerivativeInstrumentRisk
us-gaap:InterestIncomeExpenseNonoperatingNet

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:PreferredStockDividendsIncomeStatementImpact

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:FinancialInstrument, us-gaap:SubsequentEventType
us-gaap:Cash

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssets
us-gaap:FinancialInstrument
us-gaap:LongTermDebt

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:OperatingLeaseLiability
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:StockholdersEquity
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquireInvestments

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:FinancialInstrument
mfa:AccretionIncome

mfa:AccretionofPurchaseDiscounts

mfa:AmortizationOfPurchasePremiums
us-gaap:FinancialInstrument, us-gaap:InvestmentSecondaryCategorization
mfa:AvailableForSaleSecuritiesChangesInPurchaseDiscountDueToNetImpairmentLossesRecognizedInEarnings
us-gaap:FinancialInstrument, us-gaap:InvestmentSecondaryCategorization
mfa:AvailableForSaleSecuritiesChangesInPurchaseDiscountDueToSales
us-gaap:FinancialInstrument, us-gaap:InvestmentSecondaryCategorization
mfa:AvailableForSaleSecuritiesPurchaseDiscountDesignatedAsCreditReservesReallocatedToAccretablePurchaseDiscount

mfa:ComprehensiveIncomeLossToCommonStockholdersAndParticipatingSecurities
us-gaap:FinancialInstrument
mfa:CouponInterestSecuritiesMortgageBacked
us-gaap:FinancialInstrument
mfa:DebtSecuritiesAvailableforsaleAllowanceforCreditLossCreditLossExpenseReversalNoPriorAllowance

mfa:DebtSecuritiesUnrealizedGainLossResidentialMortgageSecuritiesMeasuredatFairValue

mfa:DebtSecuritiesandLoansRealizedGainLossExcludingOtherthantemporaryImpairment
us-gaap:FinancialInstrument, us-gaap:SubsequentEventType
mfa:DecreaseInFinanceCostBasisPoints
us-gaap:DerivativeInstrumentRisk
mfa:DerivativeWeightedAverageInterestRatePaid
us-gaap:DerivativeInstrumentRisk
mfa:DerivativeWeightedAverageInterestRateReceived

mfa:DividendsDividendEquivalentRights
us-gaap:StatementEquityComponents
us-gaap:FinancialInstrument
mfa:EffectiveYieldAdjustmentSecuritiesMortgageBacked
us-gaap:Range, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
mfa:FairValueInputsAnnualChangeinHomePrices
us-gaap:Range, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:ValuationTechnique
us-gaap:Range, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
mfa:FairValueInputsValueofUnderlyingProperty
us-gaap:Range, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:ValuationTechnique
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
mfa:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOriginationsAndDraws
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
mfa:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPrincipalPaydowns
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
mfa:FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetCollectionOfPrincipal
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
mfa:FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetValueRepurchases
us-gaap:FinancialInstrument
mfa:FinancialInstrumentsOwnedMortgagesMortgagebackedandAssetbackedSecuritiesGrossRealizedLosses
us-gaap:FinancialInstrument
mfa:FinancialInstrumentsOwnedMortgagesMortgagebackedandAssetbackedSecuritiesImpairment
us-gaap:FinancialInstrument
mfa:FinancialInstrumentsOwnedMortgagesMortgagebackedandAssetbackedSecuritiesWeightedAverageYield

mfa:FinancingReceivableAllowanceforCreditLossAdoptionofNewAccountingPrinciple

mfa:FinancingReceivableGrossUpofAmortizedCostofPurchasedCreditDeterioratedLoans

mfa:FinancingReceivableOriginatedFiveorMoreYearsbeforeLatestFiscalYearGrossWriteOffs
us-gaap:FinancialInstrument

mfa:FinancingReceivableOriginatedFiveorMoreYearsbeforeLatestFiscalYearNetWriteOffs
us-gaap:FinancialInstrument

mfa:FinancingReceivableOriginatedInFiscalYearBeforeFiscalYearGrossWriteOffs
us-gaap:FinancialInstrument

mfa:FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYearNetWriteOffs
us-gaap:FinancialInstrument

mfa:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYearGrossWriteOffs
us-gaap:FinancialInstrument

mfa:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYearNetWriteOffs
us-gaap:FinancialInstrument

mfa:FinancingReceivableOriginatedTwoYearsbeforeLatestFiscalYearGrossWriteOffs
us-gaap:FinancialInstrument

mfa:FinancingReceivableOriginatedTwoYearsbeforeLatestFiscalYearNetWriteOffs
us-gaap:FinancialInstrument

mfa:Gainrecordedontransferfromresidentialwholeloanstorealestateowned

mfa:ImpairmentandOtherLossesOnSecuritiesAvailableforSaleAndOtherAssets
us-gaap:FinancialInstrument

mfa:InterestExpenseAssetBackedandCollateralizedFinancingAgreements

mfa:MortgageLoansonRealEstateGainLossonLoansatFairValue

mfa:NetIncomeLossAvailabletoCommonStockholdersBasicandParticipatingSecurities
us-gaap:SubsequentEventType
mfa:NoncashChargeForUnamortizedDeferredExpenses

mfa:NoncashPayableforUnsettledLoanPurchases

mfa:NoninterestIncomeExcludingAmountsRelatedToMortgagebackedSecuritiesAndLinkedTransactions

mfa:NoninterestIncomeLossNet

mfa:OtherComprehensiveIncomeLossAmortizationofDeDesignatedHedgingInstrumentsafterReclassificationandTax

mfa:OtherComprehensiveIncomeLossAvailableforsaleSecuritiesAdjustmentExcludingCumulativeEffectNetofTaxPortionAttributabletoParent

mfa:OtherComprehensiveIncomeLossChangeInFairValueOfFinancingAgreementsAtFairValue
us-gaap:StatementEquityComponents

mfa:OtherNonCashLossesIncludedInNetIncome

mfa:ParticipatingSecuritiesDistributedandUndistributedEarningsLossBasicandDiluted

mfa:PaymentsForFeesRelatedToRepurchaseOfShares

mfa:PaymentsMadeForMarginCallsOnRepurchaseAgreementsAndDerivatives

mfa:PaymentsMadeforSecuritizationRelatedCost

mfa:PrincipalPaymentOnRedemptionOfSeniorNotes

mfa:PrincipalPaymentsOnFinancingAgreementsWithNonMarkToMarketCollateralProvisions

mfa:PrincipalPaymentsonSecuritiesSoldunderAgreementstoRepurchaseandOtherAdvances

mfa:ProceedsFromBorrowingsOnFinancingAgreementsWithNonMarkToMarketCollateralProvisions

mfa:ProceedsFromRealEstateOwned

mfa:ProceedsFromSaleofResidentialWholeLoans
us-gaap:DebtInstrument, us-gaap:FinancialInstrument
mfa:ProceedsFromSeniorBondsSoldwithStepUpFeature

mfa:ProceedsfromSecuritiesSoldunderAgreementstoRepurchaseWithMarktoMarketCollateralProvisions

mfa:ProceedsfromSecuritiesSoldunderAgreementstoRepurchaseWithNonMarktoMarketCollateralProvisions

mfa:ProceedsfromSeniorCreditAgreements

mfa:ProvisionforCreditandValuationLossesonResidentialWholeLoansAndOtherFinancialInstrumentsAtCarryingValue

mfa:PurchaseofRealEstateOwnedandCapitalImprovements

mfa:RatioLoanToValue
us-gaap:FinancialInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablesPeriodPastDue

mfa:RealEstateInvestmentsAdditions

mfa:RealEstateInvestmentsDisposals

mfa:ResidentialWholeLoansFairValueNetIncomeLossCouponPaymentsRealizedGainsAndOtherIncomeReceived

mfa:ResidentialWholeLoansFairValueNetIncomeLossGainLossonTransferstoREO

mfa:ResidentialWholeLoansFairValueNetIncomeLossUnrealizedGainsLossesNet

mfa:ResidentialWholeLoansGainLoss

mfa:ReversalProvisionForCreditAndValuationLossesOnResidentialWholeLoansAndOtherFinancialInstruments
us-gaap:AwardType
mfa:ShareBasedCompensationArrangementByShareBasedPaymentAwardDividendEquivalentRightsPayment

mfa:UnrealizedLossesGainsonSecuritiesHeldAtFairValueandSwapsNotDesignatedasHedges

mfa:WarrantsRepurchasedRate
us-gaap:FinancialInstrument, us-gaap:SubsequentEventType
mfa:WeightedAverageCostOfBondsSold
us-gaap:StatementEquityComponents
us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:AdjustmentsToAdditionalPaidInCapitalOther
us-gaap:StatementEquityComponents
us-gaap:StatementClassOfStock
us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:SubsequentEventType
us-gaap:SubsequentEventType
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
us-gaap:FinancialInstrument
us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossWriteoff

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss

us-gaap:DebtSecuritiesGainLoss
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:DebtSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairment
us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation
us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense
us-gaap:TitleOfIndividual, us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation
us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation
us-gaap:DeferredCompensationArrangementWithIndividualContributionsByEmployer
us-gaap:FinancialInstrument, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLoss
us-gaap:DerivativeInstrumentRisk, us-gaap:Position
us-gaap:DerivativeLossOnDerivative
us-gaap:FinancialInstrument, us-gaap:HedgingDesignation

us-gaap:DividendsCommonStock
us-gaap:StatementEquityComponents

us-gaap:DividendsPreferredStock
us-gaap:StatementClassOfStock
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
mfa:OtherAssets
us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues

us-gaap:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery
us-gaap:FinancialInstrument

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs
us-gaap:FinancialInstrument
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableSignificantSales

us-gaap:GainLossOnDerivativeInstrumentsNetPretax

us-gaap:GainLossOnSaleOfDerivatives
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:GainLossOnSaleOfNotesReceivable

us-gaap:GainLossOnSalesOfMortgageBackedSecuritiesMBS
us-gaap:FinancialInstrument

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate

us-gaap:GainsLossesOnSalesOfOtherRealEstate

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncrementalCommonSharesAttributableToCallOptionsAndWarrants

us-gaap:IncrementalCommonSharesAttributableToConversionOfDebtSecurities

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestAndFeeIncomeLoansCommercialAndResidentialRealEstate

us-gaap:InterestIncomeDepositsWithFinancialInstitutions

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:InterestIncomeOther

us-gaap:InterestIncomeSecuritiesMortgageBacked
us-gaap:FinancialInstrument

us-gaap:InterestOnConvertibleDebtNetOfTax
us-gaap:FinancialInstrument, us-gaap:InvestmentSecondaryCategorization
us-gaap:InvestmentIncomeAmortizationOfDiscount

us-gaap:LaborAndRelatedExpense
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:LeaseCost

us-gaap:LossOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurring

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent
us-gaap:StatementEquityComponents
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
us-gaap:FinancialInstrument, us-gaap:HedgingDesignation
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
us-gaap:FinancialInstrument

us-gaap:OtherCostAndExpenseOperating

us-gaap:OtherGeneralAndAdministrativeExpense

us-gaap:OtherOperatingIncome

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities
us-gaap:FinancialInstrument, us-gaap:InvestmentSecondaryCategorization

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted

us-gaap:PaymentsForRepurchaseOfWarrants

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock

us-gaap:PaymentsOfStockIssuanceCosts

us-gaap:PaymentsToAcquireLoansHeldForInvestment
us-gaap:StatementClassOfStock
us-gaap:PreferredStockDividendsPerShareDeclared
us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
us-gaap:SubsequentEventType
us-gaap:ProceedsFromAccountsReceivableSecuritization
us-gaap:DebtInstrument
us-gaap:ProceedsFromDebtNetOfIssuanceCosts

us-gaap:ProceedsFromIssuanceOfCommonStock
us-gaap:DebtInstrument
us-gaap:ProceedsFromIssuanceOfDebt
us-gaap:FinancialInstrument

us-gaap:ProceedsFromIssuanceOfRedeemablePreferredStock

us-gaap:ProceedsFromIssuanceOfWarrants

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments

us-gaap:ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:ProceedsFromSaleOfMortgageServicingRightsMSR

us-gaap:ProceedsFromSaleOfRealEstate

us-gaap:ProceedsFromWarrantExercises

us-gaap:ProvisionForLoanLossesExpensed
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:RealEstateOwnedValuationAllowanceAmountsApplied

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:StatementEquityComponents
us-gaap:SubsequentEventType
us-gaap:RepaymentsOfDebt

us-gaap:RepaymentsOfOtherDebt

us-gaap:RestructuringSettlementAndImpairmentProvisions

us-gaap:SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense

us-gaap:StockIssuedDuringPeriodSharesNewIssues
us-gaap:StatementEquityComponents
us-gaap:PlanName
us-gaap:StockIssuedDuringPeriodValueDividendReinvestmentPlan
us-gaap:StatementEquityComponents
us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue
us-gaap:StatementEquityComponents

us-gaap:TransferToOtherRealEstate

us-gaap:TreasuryStockAcquiredAverageCostPerShare
us-gaap:SubsequentEventType

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:UnrealizedGainLossOnDerivatives

us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount

dei:EntityCommonStockSharesOutstanding

mfa:AccountsPayableRelatedToUnsettledResidentialWholeLoanPurchases

mfa:AvailableForSaleSecuritiesAccretablePurchaseDiscounts
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:InvestmentSecondaryCategorization
mfa:AvailableForSaleSecuritiesDiscount

mfa:AvailableForSaleSecuritiesDiscountDesignatedAsCreditReserveAndOtherThanTemporaryImpairments
us-gaap:FinancialInstrument

mfa:AvailableForSaleSecuritiesPurchasePremiums
us-gaap:FinancialInstrument

mfa:CapitalContributionstoLoanOriginationPartners
us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:ValuationTechnique
mfa:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValueExcludingUnsettledPurchasesSimpleAverageAmount
us-gaap:ValuationTechnique

mfa:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValueLevel3ExcludingLoanPurchasePrice
us-gaap:FinancialInstrumentPerformanceStatus
us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:ValuationTechnique
us-gaap:ValuationTechnique

mfa:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValuePurchasesExcludedfromLevel3FairValueMethodologyDisclosures
us-gaap:FinancialInstrumentPerformanceStatus

mfa:CertainLoansAcquiredinTransferNotAccountedforasDebtSecuritiesAcquiredDuringPeriodatAcquisitionatFairValueExcludingUnsettledLoans
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
mfa:CertainLoansAcquiredinTransferNotAccountedforasDebtSecuritiesTaxBasis
us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation
mfa:DeferredCompensationArrangementWithIndividualUndistributedIncomeDeferred
us-gaap:TitleOfIndividual, us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation

mfa:DividendsandDividendEquivalentsPayable
mfa:OtherAssets
mfa:EquityInvestmentConvertibleNotes
us-gaap:FinancialInstrument
mfa:FinanceAgreementNetofDebtIssuanceCosts
us-gaap:FinancialInstrument
mfa:FinancialInstrumentsOwnedMortgagesMortgagebackedandAssetbackedSecuritiesAmortizedCosts
us-gaap:FinancialInstrument
mfa:FinancialInstrumentsOwnedMortgagesMortgagebackedandAssetbackedSecuritiesGrossUnrealizedGains
us-gaap:FairValueByMeasurementBasis
mfa:FinancingAgreementsAmortizedCost
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

mfa:FinancingAgreementsFairValueandCarryingValue
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:SubsequentEventType
mfa:AssetsSoldUnderAgreementsToRepurchaseRemainingPeriodBeforeInterestRateReset, us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
mfa:FinancingAgreementsLiabilities
mfa:AssetsSoldUnderAgreementsToRepurchaseRemainingPeriodBeforeInterestRateReset, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

mfa:FinancingAgreementsUnpaidPrincipalBalance
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
mfa:FinancingReceivableAmortizedCostBasis
us-gaap:FinancialInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancialInstrument
mfa:FinancingReceivableAmountDrawn
us-gaap:FinancialInstrument
mfa:FinancingReceivableCommitmenttoLend

mfa:FinancingReceivableUnpaidPrincipalBalanceExcluded
us-gaap:FinancialInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
mfa:FinancingReceivableWeightedAverageInterestRate
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
mfa:HaircutOnSecuritiesWeightedAveragePercentage
us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument, us-gaap:FinancingReceivablesPeriodPastDue
mfa:LoansCarryingBalance
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancialInstrument, us-gaap:FinancingReceivablesPeriodPastDue

mfa:LoansIncludingFairValueLoansCreditImpairedLoansandOtherLoansatCarryingValue
mfa:OtherAssets
mfa:LoansServicedThroughEquityInvestmentVentures

mfa:OperatingLeaseLiabilityToBePaidAfterYearFour

mfa:OtherRealEstateFairValue
us-gaap:FinancialInstrument
mfa:PercentageofCurrentFaceAmountofNonAgencyMBSExpectedtobeRecovered

mfa:PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledgedAggregateFairValueAndAccruedInterest

mfa:PrincipalReceivableAdvancesSuspenseAccountsandOther

mfa:PurchasedPerformingLoans
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

mfa:RealEstateHeldforInvestment
us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument
mfa:RealEstateOwnedAtFairValue
us-gaap:CounterpartyName
mfa:RepurchaseAgreementCounterpartyRiskMinimumAsPercentageOfStockholdersEquity
us-gaap:FinancialInstrument
mfa:ResidentialWholeLoansAggregateFairValue
us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
mfa:ResidentialWholeLoansAtFairValueAndCarryingValue
us-gaap:FinancialInstrument

mfa:ResidentialWholeLoansCarryingValue
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

mfa:ResidentialWholeLoansHeldatFairValuePurchaseTransactionCommittedinPreviousPeriodClosedinSubsequentPeriod

mfa:ResidentialWholeLoansNet
us-gaap:FinancingReceivablesPeriodPastDue
mfa:Residentialwholeloansatfairvalueoutstandingprincipalbalance
us-gaap:FinancialInstrument
mfa:SeniorBondsOutstandingCarryingValue
us-gaap:FinancialInstrument
mfa:SeniorBondsOutstandingFairValue

mfa:ServicingRightsPledgedAsCollateral
us-gaap:AwardType
mfa:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageGrantDateFairValue
us-gaap:AwardType
mfa:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageGrantDateFairValueVested

mfa:UnfundedCommitment
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument, us-gaap:FinancingReceivablesPeriodPastDue
mfa:UnpaidPrincipalBalance
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancialInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancialInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancialInstrument, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument, us-gaap:FinancingReceivablesPeriodPastDue
mfa:UnpaidPrincipalToEstimatedValueOfLoanRatio
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancialInstrument, us-gaap:FinancingReceivablesPeriodPastDue

mfa:UnsettledResidentialWholeLoans
us-gaap:FinancialInstrument
mfa:MortgageLoansonRealEstateLoanBalance, us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FairValueByMeasurementBasis
srt:MortgageLoansOnRealEstatePrincipalAmountOfDelinquentLoans
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FairValueByMeasurementBasis

us-gaap:AccruedLiabilitiesAndOtherLiabilities

us-gaap:AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:AllowanceForLoanAndLeaseLossesRealEstate
us-gaap:FairValueByMeasurementBasis
us-gaap:Range, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
us-gaap:AlternativeInvestmentMeasurementInput
us-gaap:Range, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique

us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
mfa:AssetsSoldUnderAgreementsToRepurchaseRemainingPeriodBeforeInterestRateReset, us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:AssetsSoldUnderAgreementsToRepurchaseInterestRate
mfa:AssetsSoldUnderAgreementsToRepurchaseRemainingPeriodBeforeInterestRateReset, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FairValueByMeasurementBasis
us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:FinancialInstrument, us-gaap:SubsequentEventType
us-gaap:CertainLoansAcquiredInTransferAccountedForAsHeldToMaturityDebtSecuritiesCarryingAmountNet

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FairValueByMeasurementBasis
us-gaap:FinancialInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
mfa:MortgageLoansonRealEstateLoanBalance, us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FairValueByMeasurementBasis
us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesOutstandingBalance
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FairValueByMeasurementBasis
us-gaap:PlanName
us-gaap:CommonStockCapitalSharesReservedForFutureIssuance
us-gaap:FairValueByMeasurementBasis
us-gaap:ConvertibleDebt
us-gaap:FinancialInstrument
us-gaap:DebtInstrumentCarryingAmount
us-gaap:DebtInstrument, us-gaap:FinancialInstrument
us-gaap:DebtInstrumentFaceAmount

us-gaap:DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument
us-gaap:Collateral, us-gaap:FinancialInstrument
us-gaap:DebtSecuritiesAvailableForSaleRestricted

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:DebtWeightedAverageInterestRate
us-gaap:SubsequentEventType
us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation
us-gaap:DeferredCompensationArrangementWithIndividualRecordedLiability
us-gaap:TitleOfIndividual, us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation
us-gaap:FinancialInstrument
us-gaap:DeferredFinanceCostsNoncurrentGross

us-gaap:DerivativeLiabilityFairValueOfCollateral

us-gaap:DividendsPayableCurrentAndNoncurrent
us-gaap:StatementClassOfStock
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
mfa:OtherAssets
us-gaap:EquityMethodInvestments
mfa:OtherAssets, us-gaap:StatementEquityComponents
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue

us-gaap:FinancialInstrumentsOwnedAndPledgedAsCollateralAtFairValue
us-gaap:PledgedStatus
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FinancialInstrumentsOwnedMortgagesMortgageBackedAndAssetBackedSecuritiesAtFairValue
us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FinancialLiabilitiesFairValueDisclosure
us-gaap:FinancialInstrument

us-gaap:FinancingReceivableAllowanceForCreditLosses
us-gaap:CumulativeEffectPeriodOfAdoption
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:LoanToValue
us-gaap:LoanToValue

us-gaap:FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:LoanToValue
us-gaap:LoanToValue

us-gaap:FinancingReceivableOriginatedInCurrentFiscalYear
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:LoanToValue
us-gaap:LoanToValue

us-gaap:FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:LoanToValue
us-gaap:LoanToValue

us-gaap:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:LoanToValue
us-gaap:LoanToValue

us-gaap:FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:LoanToValue
us-gaap:LoanToValue
us-gaap:FinancialInstrumentPerformanceStatus
us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:InterestPayableCurrentAndNoncurrent

us-gaap:InterestReceivable

us-gaap:InvestmentOwnedBalancePrincipalAmount
us-gaap:FinancialInstrument

us-gaap:LesseeOperatingLeaseDiscountRate

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:LoansAndLeasesReceivableImpairedCommitmentToLend

us-gaap:LoansPledgedAsCollateral

us-gaap:MoneyMarketFundsAtCarryingValue
us-gaap:FairValueByMeasurementBasis
us-gaap:MortgageLoansInProcessOfForeclosureAmount

us-gaap:MortgageLoansOnRealEstateCommercialAndConsumerNet
us-gaap:FairValueByMeasurementBasis

us-gaap:NotesReceivableGross
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument, us-gaap:FinancialInstrumentPerformanceStatus
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrumentPerformanceStatus
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:FinancialInstrumentPerformanceStatus
us-gaap:FinancialInstrument, us-gaap:LoanToValue
us-gaap:FinancialInstrumentPerformanceStatus
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:LoanToValue
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:NotesReceivableNet
us-gaap:SubsequentEventType

us-gaap:OtherInterestEarningAssets

us-gaap:OtherLiabilities

us-gaap:OtherLiabilitiesFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis
us-gaap:OtherSecuredFinancings
us-gaap:FinancialInstrument

us-gaap:PledgedAssetsSeparatelyReportedLoansPledgedAsCollateralAtFairValue

us-gaap:PledgedAssetsSeparatelyReportedSecuritiesPledgedForRepurchaseAgreementsAtFairValue
mfa:FinancialInstrumentMeasurement
mfa:FinancialInstrumentMeasurement, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

us-gaap:PreferredStockLiquidationPreferenceValue
us-gaap:StatementClassOfStock

us-gaap:PreferredStockSharesOutstanding
us-gaap:StatementClassOfStock
us-gaap:StatementClassOfStock
us-gaap:PreferredStockValue

us-gaap:PrepaidExpenseAndOtherAssets

us-gaap:RealEstateAcquiredThroughForeclosure

us-gaap:RealEstateInvestments
us-gaap:CounterpartyName
us-gaap:RepurchaseAgreementCounterpartyAmountAtRisk

us-gaap:RestrictedCashAndCashEquivalents
us-gaap:FairValueByMeasurementBasis
us-gaap:DebtInstrument
us-gaap:SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash

us-gaap:SecuritiesSoldUnderAgreementsToRepurchaseFairValueOfCollateral
us-gaap:FairValueByMeasurementBasis
us-gaap:SeniorNotes

us-gaap:ServicingAssetAtFairValueAmount
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap:PlanName

us-gaap:StockRepurchaseProgramAuthorizedAmount1
us-gaap:SubsequentEventType

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
us-gaap:FinancialInstrument
us-gaap:UnamortizedDebtIssuanceExpense

Plots across concepts


IncomeStatement
Comprehensive Income Net Of Tax
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Operating Lease Right Of Use Asset
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Operating Lease Right Of Use Asset
Liabilities
Operating Lease Liability
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Payments For Repurchase Of Common Stock
Shares
Common Stock Shares Issued
DividendsAndRepurchase
Payments For Repurchase Of Common Stock
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Remainder Of Fiscal Year
BanksAndOrInsurance
Interest And Dividend Income Operating

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ▇███████████▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▁4.4084.4614.5174.5334.5324.5314.5244.5174.5064.5054.4984.4953.9853.9843.9783.9693.9633.7283.7193.7113.713.713.7063.7023.7023.7013.7013.6873.6753.6623.6513.6583.6213.5843.5753.573.5693.5633.5613.5563.5543.5532.805NANANA
 us-gaap:SharesIssued us-gaap:StatementClassOfStock,us-gaap:StatementEquityComponents us-gaap:SeriesBPreferredStock,us-gaap:PreferredStock▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄8.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.0NA0.0NANANA0.0NANANA0.0NANANA
 us-gaap:SharesIssued us-gaap:StatementClassOfStock,us-gaap:StatementEquityComponents us-gaap:SeriesCPreferredStock,us-gaap:PreferredStock██████▁11.011.011.011.011.011.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:SharesIssued us-gaap:StatementEquityComponents us-gaap:CommonStock▇███████████▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▁440.812446.114451.714453.333453.244453.138452.369451.692450.622450.483449.787449.472398.533398.429397.831396.939396.311372.819371.854371.083371.027370.977370.584370.254370.196370.134370.084368.721367.475366.217365.125365.833362.124358.419357.546357.013356.866356.266356.112355.591355.459355.331280.481NANANA
us-gaap:CommonStockSharesIssued ▇███████████▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▁440.812446.114451.714453.333453.244453.138452.369451.692450.622450.483449.787449.472398.533398.429397.831396.939396.311372.819371.854371.083371.027370.977370.584370.254370.196370.134370.084368.721367.475366.217365.125365.833362.124358.419357.546357.013356.866356.266356.112355.591355.459355.331280.481NANANA
 us-gaap:PreferredStockSharesIssued us-gaap:StatementClassOfStock us-gaap:SeriesBPreferredStock▄▄▄▄▄▄▄8.08.08.08.08.08.08.0NANANANANANANANANANANANANANANANANANANANANANANA8.08.08.0NA0.0NANANANANANANANANANANA
us-gaap:CommonStockSharesAuthorized ████████████████████████████████████████▁▁▁874.3874.3874.3874.3874.3874.3886.95886.95886.95886.95886.95886.95886.95886.95886.95886.95886.95886.95886.95886.95886.95886.95886.95886.95886.95886.95886.95886.95886.95886.95886.95886.95886.95895.0895.0895.0895.0895.0895.0895.0370.0370.0370.0NANANA
 us-gaap:PreferredStockSharesAuthorized us-gaap:StatementClassOfStock us-gaap:SeriesBPreferredStock▄▄▄▄▄▄▄8.058.058.058.058.058.058.05NANANANANANANANANANANANANANANANANANANANANANANA8.058.058.05NA0.0NANANANANANANANANANANA
us-gaap:CommonStockSharesOutstanding ▇███████████▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▁440.812446.114451.714453.333453.244453.138452.369451.692450.622450.483449.787449.472398.533398.429397.831396.939396.311372.819371.854371.083371.027370.977370.584370.254370.196370.134370.084368.721367.475366.217365.125365.833362.124358.419357.546357.013356.866356.266356.112355.591355.459355.331280.481NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█443.262480.055NA493.54482.5452.979NA479.94459.436450.358NA428.713398.478NANANANANANANANANANANANANANANANANANANANANANANANANANA355.964355.633NANA280.58280.49NA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁█441.532451.135NA453.323453.205452.979NA451.02450.538450.358NA428.713398.478NANANANANANANANANANANANANANANANANANANANANANANANA356.167NA355.51355.364297.949NA280.278280.188NA
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount NA3.1NANANANANA3.02.4NANA2.3NANANANANA2.3NANANA2.0NA2.12.12.0NA1.61.61.6NANANA1.6NA2.02.02.1NANANANANANANANA
us-gaap:EarningsPerShareBasic █████▁███████0.130.170.080.170.19-2.020.210000000000000080.20.20.190.120.190.17NANANANANANANANANANANANANANANANANANANANANANANANANANANA0.220.27NANA0.160.29
us-gaap:EarningsPerShareDiluted █████▁███████0.130.170.080.170.19-2.020.210000000000000080.20.20.190.120.190.17NANANANANANANANANANANANANANANANANANANANANANANANANANANA0.220.27NANA0.160.29
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AllocatedShareBasedCompensationExpense ▄▃▃▄▃▂▇▂▄▂▇▂▄▁▄▃▄▂█▂▃▂▇▂▃▂▇▂▃▂▂▁▂▂▃▃▂▂▂▂▂▂▂▁▁2.7441.6881.6292.2671.5541.2734.5151.2882.4390.9984.1161.0822.2560.5532.6641.912.3531.1065.0191.1011.9081.1344.2321.0311.6570.9124.2281.2711.6021.4841.2120.761.3010.8852.1141.7931.481.1011.4021.0271.0240.9321.0930.6220.846NA
us-gaap:ComprehensiveIncomeNetOfTax ▆▆▆▆▆▁▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▅▇▆█▆▇▆▆▆▆57.61681.90277.85186.75664.589-1201.3468.81885.66590.22883.165-45.20148.78952.37656.90179.59261.649117.65499.04172.788162.816162.266-27.371-8.971-16.77613.82386.54816.62745.383137.574130.678150.5968.086-147.995207.746144.747558.40670.099354.267-48.063-24.349-42.456117.899NANANANA
us-gaap:CostsAndExpenses ▃▃▃▄█▄▃▃▃▃▃▃▃▂▂▃▂▂▂▂▂▂▂▂▂▂▂▁▂▁▁▂▂▁▂▁▁▁▁▁▁▁▁▁▁▁22.77322.52820.39827.2664.53329.10625.43123.72823.71324.23821.87119.78120.54817.46316.79821.1517.52616.42715.70414.95414.86714.45914.29212.99512.94112.45912.72610.4111.68310.4717.91310.75910.8458.45315.6388.658.3668.4156.8338.7458.017.5916.5046.4156.7386.667
 us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterestNANANA0.00.0NANANANANANANANANA0.00.0-0.618NA0.0-0.485NANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FairValueByMeasurementBasis,us-gaap:FinancialInstrument,us-gaap:FinancialInstrumentPerformanceStatus,us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable us-gaap:CarryingReportedAmountFairValueDisclosure,mfa:NonQMLoans,us-gaap:PerformingFinancingReceivable,mfa:ResidentialWholeLoans20.164NANANA37.259NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FairValueByMeasurementBasis,us-gaap:FinancialInstrument,us-gaap:FinancialInstrumentPerformanceStatus,us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable us-gaap:CarryingReportedAmountFairValueDisclosure,mfa:RehabilitationLoans,us-gaap:PerformingFinancingReceivable,mfa:ResidentialWholeLoans6.954NANANA13.312NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FairValueByMeasurementBasis,us-gaap:FinancialInstrument,us-gaap:FinancialInstrumentPerformanceStatus,us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable us-gaap:CarryingReportedAmountFairValueDisclosure,mfa:SeasonedPerformingLoans,us-gaap:PerformingFinancingReceivable,mfa:ResidentialWholeLoans1.54NANANA2.253NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FairValueByMeasurementBasis,us-gaap:FinancialInstrument,us-gaap:FinancialInstrumentPerformanceStatus,us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable us-gaap:CarryingReportedAmountFairValueDisclosure,mfa:SingleFamilyRentalLoans,us-gaap:PerformingFinancingReceivable,mfa:ResidentialWholeLoans6.439NANANA7.268NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FairValueByMeasurementBasis,us-gaap:FinancialInstrument,us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable us-gaap:CarryingReportedAmountFairValueDisclosure,mfa:CreditImpairedLoans,mfa:ResidentialWholeLoans11.303NANANA9.335NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FairValueByMeasurementBasis,us-gaap:FinancialInstrumentPerformanceStatus,us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable us-gaap:CarryingReportedAmountFairValueDisclosure,us-gaap:PerformingFinancingReceivable,mfa:ResidentialWholeLoans35.097NANANA60.092NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FairValueByMeasurementBasis,us-gaap:FinancialInstrumentPerformanceStatus,us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable us-gaap:EstimateOfFairValueFairValueDisclosure,us-gaap:NonperformingFinancingReceivable,mfa:ResidentialWholeLoans19.708NANANA15.41NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FairValueByMeasurementBasis,us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable us-gaap:CarryingReportedAmountFairValueDisclosure,mfa:ResidentialWholeLoans46.4NANANA69.427NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FairValueByMeasurementBasis,us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable us-gaap:EstimateOfFairValueFairValueDisclosure,mfa:ResidentialWholeLoans22.616NANANA15.41NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FinancialInstrument,us-gaap:FinancialInstrumentPerformanceStatus,us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable mfa:AgencyEligibleInvestorLoans,us-gaap:PerformingFinancingReceivable,mfa:ResidentialWholeLoans0.262NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FinancialInstrument,us-gaap:FinancialInstrumentPerformanceStatus,us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable mfa:NonQMLoans,us-gaap:PerformingFinancingReceivable,mfa:ResidentialWholeLoans21.968NANANA37.259NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FinancialInstrument,us-gaap:FinancialInstrumentPerformanceStatus,us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable mfa:RehabilitationLoans,us-gaap:PerformingFinancingReceivable,mfa:ResidentialWholeLoans7.329NANANA13.312NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FinancialInstrument,us-gaap:FinancialInstrumentPerformanceStatus,us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable mfa:SeasonedPerformingLoans,us-gaap:PerformingFinancingReceivable,mfa:ResidentialWholeLoans1.54NANANA2.253NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FinancialInstrument,us-gaap:FinancialInstrumentPerformanceStatus,us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable mfa:SingleFamilyRentalLoans,us-gaap:PerformingFinancingReceivable,mfa:ResidentialWholeLoans6.906NANANA7.268NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FinancialInstrument,us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable mfa:CreditImpairedLoans,mfa:ResidentialWholeLoans▇▁▂▂▃▃▅▆▇██▇▆▇11.3038.298.9738.7849.3359.14610.31510.63510.99711.39911.63811.19810.9111.031NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FinancialInstrument,us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable mfa:NonQMLoans,mfa:ResidentialWholeLoansNA22.11424.31525.88437.25949.0737.03230.25826.57822.41414.85910.2844.1851.708NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FinancialInstrument,us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable mfa:PurchasedPerformingLoans,mfa:ResidentialWholeLoansNA37.0542.48545.60960.09274.3461.9453.59146.88238.22127.49518.3267.0253.298NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FinancialInstrument,us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable mfa:RehabilitationLoans,mfa:ResidentialWholeLoansNA6.6689.98210.86313.31215.32716.08815.14213.2569.9337.6524.7082.271.345NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FinancialInstrument,us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable mfa:SeasonedPerformingLoans,mfa:ResidentialWholeLoansNA1.991.9941.9452.2532.62.733.1663.1223.1733.4022.4160.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FinancialInstrument,us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable mfa:SingleFamilyRentalLoans,mfa:ResidentialWholeLoansNA6.2786.1946.9177.2687.3436.095.0253.9262.7011.5820.9180.570.245NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FinancialInstrumentPerformanceStatus,us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable us-gaap:NonperformingFinancingReceivable,mfa:ResidentialWholeLoans19.708NANANA15.41NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FinancialInstrumentPerformanceStatus,us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable us-gaap:PerformingFinancingReceivable,mfa:ResidentialWholeLoans38.005NANANA60.092NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable mfa:ResidentialWholeLoans▇▄▅▅▇█▇▆▅▅▄▃▁▁69.01645.3451.45854.39369.42783.48672.25564.22657.87949.6239.13329.52417.93514.329NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestExpense ▁▂▃▄██▇██▇▆▅▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▃▂▃▃▃▃▃▂▂▂▂▂▂▂▂25.55530.0741.04455.96487.99183.75982.46385.82385.04479.02670.94458.87851.8150.55448.49549.27549.02250.34949.86848.16747.7247.646.45643.70342.84943.9438.9639.35840.56940.92143.42741.9538.47840.15843.05445.80142.68840.12738.81138.75237.19534.65335.46935.46435.74138.451
us-gaap:InterestExpenseDebt ▃▃▆▄▄███▆▆▆▆▄▄▃▃▂▂▂▂▂▂▁▁▁▁▁▂▂▂▃▃▃▃▃▄▄▃▃▃▂▂3.9154.029.0035.915.90611.06111.35211.5839.1548.2178.4387.9975.5764.8373.5922.9722.222.012.0092.0092.1462.2050.2650.3630.6180.751.0621.4151.8712.1852.7192.833.0753.4763.924.4774.6524.0573.5853.8282.661.599NANANANA
us-gaap:InterestIncomeExpenseNet ▅▃▂▂▁▆▆▅▅▆▆▅▅▅▅▅▆▆▆▆▆▆▆▇▇▇▆▆▇▇▇▇▇▇▇▇▇▇▇██▇▆▆▅▆58.97331.78319.43210.116-0.62361.70170.65556.89859.89161.92661.858.55449.93753.19852.40655.85861.13566.90862.6664.54966.78769.87772.04376.00381.14786.00272.23271.60278.07380.25377.62276.53282.19382.5881.91479.33482.84383.39685.18392.01494.91475.22562.12861.95352.88669.246
 us-gaap:InterestIncomeExpenseNonoperatingNet us-gaap:DerivativeInstrumentRisk us-gaap:InterestRateSwapNANA0.00.00.0-3.359-0.634-0.3220.6921.1917.967-0.547-0.808-2.832NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestPaidNet ▁▁▂▃▇▇█▅█▇▆▄▄▃29.05629.55440.95247.98585.17580.15892.75467.79288.41781.43571.62957.84151.85351.334NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss █████▁████████████████████████████████████████66.71485.52245.81787.2196.578-908.995100.62195.59993.0488.85760.87987.13270.39583.395100.59363.80579.93578.0672.63783.01178.9578.0773.47179.5178.07182.17379.70878.88278.72676.18878.55771.32875.47377.35169.21978.14174.76684.71370.56483.69979.28682.86561.58177.21448.2982.677
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic █████▁████████████████████████████████████████58.2977.02937.59978.66688.137-914.2196.87191.56989.01485.10757.12983.38266.64579.64596.84360.05576.18574.3168.88779.26175.274.3269.72175.7674.32178.42375.95875.13274.97672.43874.80767.57867.31675.31167.17976.10172.72682.67368.52481.65977.24680.82559.54175.17446.2580.637
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted █████▁███████58.49580.93837.46182.56492.03-914.21100.47295.44890.2284.85156.88883.14166.404NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax NANA0.0-0.0010.0-50.1277.042-0.233-19.706-10.445-18.4295.397.91519.66918.6265.791-1.017NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PreferredStockDividendsIncomeStatementImpact █████▅▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▁▁▁▁▁▁▁▁▁▁▁▁▁8.2198.2198.2188.2198.1445.2153.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.754.212.042.042.042.042.042.042.042.042.042.042.042.042.04
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ▁▁▁▂▂▅█▇▇▇▇▆▅▅▅▅▆▆▇▇▇▇▇▇██▆▆▇▇▇▇▇███▇▇▆▆▆▆▃7208.4096717.966932.37483.2597567.40811130.33713567.36413104.82113208.09212801.61312420.32711781.99310644.76310615.21210954.73411103.45911536.81611900.10612484.02212751.38912827.54812844.44113167.32313384.40313654.88313901.75512354.74412242.77712650.86112792.98912471.90812598.55413196.71113652.75213517.5513735.16912891.62312451.72411750.63411994.76311927.05411436.3618687.407NANANA
us-gaap:Liabilities ▂▁▁▂▂▆▇▇▇▇▆▅▅▄▅▅▅▆▇▇▇▇▇███▆▆▇▇▇▇▇█▇█▇▇▆▇▆▆▃4681.8724175.6944407.4984917.6035046.3578689.66210183.4129701.3959804.7199397.0829004.2268229.7537438.157379.7817693.0987845.8088262.1728844.1599450.129717.9519879.889982.79510200.06210332.62110509.21410693.5839151.4728989.0339375.5679588.4029329.6579525.02910032.20910387.20410206.54410496.01510135.8229686.239252.8749353.5399171.2968547.9576436.96NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▁▁▁▂▂▅█▇▇▇▇▆▅▅▅▅▆▆▇▇▇▇▇▇██▆▆▇▇▇▇▇███▇▇▆▆▆▆▃7208.4096717.966932.37483.2597567.40811130.33713567.36413104.82113208.09212801.61312420.32711781.99310644.76310615.21210954.73411103.45911536.81611900.10612484.02212751.38912827.54812844.44113167.32313384.40313654.88313901.75512354.74412242.77712650.86112792.98912471.90812598.55413196.71113652.75213517.5513735.16912891.62312451.72411750.63411994.76311927.05411436.3618687.407NANANA
us-gaap:StockholdersEquity ▂▂▂▂▂▁▇▇▇▇▇█▆▆▆▆▆▅▅▅▄▄▄▅▅▆▆▆▆▆▅▅▆▆▆▆▃▃▁▂2526.5372542.2662524.8022565.6562521.0512440.6753383.9523403.4263403.3733404.5313416.1013552.243206.6133235.4313261.6363257.6513274.6443055.9473033.9023033.4382947.6682861.6462967.2613051.7823145.6693208.1723203.2723253.7443275.2943204.5873142.2513073.5253164.5023265.5483311.0063239.1542755.8012765.4942497.762641.224NANA2250.447NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:Cash us-gaap:FinancialInstrument,us-gaap:SubsequentEventType mfa:NonQMLoans,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue █▇▇█▆▂▁▂▁▁▁▁▁▂▄▆▇▄▃▃▂▂▂▂▂▂▂▄▃▃▅▅▄▆▄▄▅▄▄▄▅▆▃▃▅▇906.409780.714814.354884.171666.172116.46570.629154.19388.66176.57952.0104.18654.9214.686449.757608.173745.48421.572260.112288.698182.765146.236165.007174.16218.492168.717182.437423.891343.719274.672565.37503.852448.282601.57401.293450.442593.376374.621394.022421.026503.228629.423345.243270.925531.543768.656
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents █▇▇█▆▃▂▂▂▁▁▁▁▂▄▆▇▄▃915.248785.864821.519889.474673.852333.367134.664193.191119.717118.57888.709110.67558.178221.786463.064623.613757.323432.552318.575NANANA236.545NANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:OperatingLeaseRightOfUseAsset 38.137NA0.758NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:LongTermDebt us-gaap:FinancialInstrument us-gaap:AssetBackedSecuritiesSecuritizedLoansAndReceivables█▅▅▁2046.3811548.921514.509837.683NANA570.952NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo 4.619NA0.085NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree 4.599NA0.086NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour 4.534NA0.065NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ▂▂▂▂▂▁▇▇▇▇▇█▆▆▆▆▆▅▅▅▄▄▄▅▅▆▆▆▆▆▅▅▆▆▆▆▃▃▁▂2526.5372542.2662524.8022565.6562521.0512440.6753383.9523403.4263403.3733404.5313416.1013552.243206.6133235.4313261.6363257.6513274.6443055.9473033.9023033.4382947.6682861.6462967.2613051.7823145.6693208.1723203.2723253.7443275.2943204.5873142.2513073.5253164.5023265.5483311.0063239.1542755.8012765.4942497.762641.224NANA2250.447NANANA
us-gaap:CommonStockValue ▇███████████▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▁4.4084.4614.5174.5334.5324.5314.5244.5174.5064.5054.4984.4953.9853.9843.9783.9693.9633.7283.7193.7113.713.713.7063.7023.7023.7013.7013.6873.6753.6623.6513.6583.6213.5843.5753.573.5693.5633.5613.5563.5543.5532.805NANANA
us-gaap:AdditionalPaidInCapital ██████▇▇▇▇▇▇▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▁3804.833825.6063848.1293924.5843922.3993906.6133640.3413634.143625.3993622.6363623.2753620.2683230.0553227.553227.3043219.3983214.7013030.6033029.0623023.0333021.8613019.8913019.9563017.3553016.3623014.5943013.6343002.5492991.9272981.2872972.3692977.192949.4832813.8782805.7242804.6882802.2932797.4752795.9252792.4912791.0922789.8722184.493NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▂▂▂▂▁▁▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▇▇█████████-1347.466-1361.664-1405.327-1408.91-1451.783-1548.361-631.04-637.161-638.396-637.286-632.04-598.971-592.218-578.913-578.95-596.022-576.482-573.127-572.641-566.917-571.709-572.445-572.332-567.649-569.055-569.031-568.596-570.106-571.421-572.627-571.544-573.065-457.586-444.324-260.308-255.591-256.283-246.433-243.061-214.785-206.898-194.773-191.569NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▂▂▂▂▂▂▄▄▄▄▅▅▆▆▆▆▆▆▆▆▅▄▅▆▇▇▇▇█▇▇▆▆█▇▆▃▃▁▂▃▄▃64.57573.67377.29345.25945.71377.702370.047401.85411.784414.596420.288526.368564.711582.73609.224630.226632.382594.663573.682573.531493.726410.41515.851598.294694.58758.828754.453817.534851.033792.185737.695665.662668.904892.372761.977686.449206.184210.851-58.70359.924167.972289.714254.68NANANA
us-gaap:StockIssuedDuringPeriodValueNewIssues █▁0.3980.382NA0.0010.0370.687NA7.7240.5860.5510.563389.8710.4811.236.2934.265182.2943.9563.7190.3410.2940.3060.2950.3030.3110.3129.2699.525NANANANANANANANANANANANANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁2.7411.686NA2.2661.7091.266NA1.2882.4380.9924.1121.0822.2550.5492.6631.9092.2761.0244.5551.1021.9081.134.2291.0311.6570.9124.2241.271NANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▄▄▁▅▃▅▆▅▄▅▅▄▃▅▄▅▅▂▅▃▄█▄▆▅▆▅▆▅72.43124.16521.645-39.89343.4313.21462.17967.64948.86537.08257.63146.44537.9095.89657.09622.8352.68943.455-13.32462.73-2.89338.999122.98336.42670.93751.82878.31462.53766.69748.265NANANANANANANANANANA95.47162.082NANA60.06760.394
us-gaap:NetCashProvidedByUsedInInvestingActivities ▃▃▄▄█▄▂▃▃▂▂▁▃▃▃▃▄▄▃▃▃▃▃▃▃▃▃▄▄▃-305.982345.476517.549460.5244583.193822.242-570.394174.03-240.919-497.458-544.821-1879.685382.791-116.16-126.12391.0961121.36730.0154.92420.445264.85336.71152.179204.172246.99346.74-53.916483.671455.789-434.541NANANANANANANANANANA-508.753-2074.629NANA-460.9311341.304
us-gaap:NetCashProvidedByUsedInFinancingActivities ▆▅▅▆▁▅▆▆▆▆▆█▅▆▆▆▅▅▆▅▆▅▆▆▆▆▆▅▅▆362.935-405.296-607.149-205.009-4286.138-636.753449.688-168.205193.193490.245464.5451885.737-584.308-131.014-89.389-251.233-850.141-612.01-20.182-377.242-225.428-394.481-184.315-284.93-268.155-112.288-265.852-466.036-453.43995.578NANANANANANANANANANA287.0872296.727NANA163.751-1286.502
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▅▃▃▆█▆▃▅▄▄▄▅▂▁129.384-35.655-67.955215.622340.485198.703-58.52773.4741.13929.869-22.64552.497-163.608-241.278NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▄▄▁▅▃▅▆▅▄▅▅▄▃▅▄▅▅▂▅▃▄█▄▆▅▆▅▆▅72.43124.16521.645-39.89343.4313.21462.17967.64948.86537.08257.63146.44537.9095.89657.09622.8352.68943.455-13.32462.73-2.89338.999122.98336.42670.93751.82878.31462.53766.69748.265NANANANANANANANANANA95.47162.082NANA60.06760.394
us-gaap:NetIncomeLoss █████▁████████████████████████████████████████66.71485.52245.81787.2196.578-908.995100.62195.59993.0488.85760.87987.13270.39583.395100.59363.80579.93578.0672.63783.01178.9578.0773.47179.5178.07182.17379.70878.88278.72676.18878.55771.32875.47377.35169.21978.14174.76684.71370.56483.69979.28682.86561.58177.21448.2982.677
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▃▃▄▄█▄▂▃▃▂▂▁▃▃▃▃▄▄▃▃▃▃▃▃▃▃▃▄▄▃-305.982345.476517.549460.5244583.193822.242-570.394174.03-240.919-497.458-544.821-1879.685382.791-116.16-126.12391.0961121.36730.0154.92420.445264.85336.71152.179204.172246.99346.74-53.916483.671455.789-434.541NANANANANANANANANANA-508.753-2074.629NANA-460.9311341.304
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment █▂▂▂▁▁▁▁▁▁39.1744.4153.4372.262-1.0130.1760.5280.3080.6520.391NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsToAcquireInvestments NANA0.00.01.141162.607170.624139.618370.752327.221582.321698.605128.981194.328157.413536.981644.154244.582509.74473.901549.301375.404377.096252.685662.395518.127192.933112.73867.869888.106211.623281.256NANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▆▅▅▆▁▅▆▆▆▆▆█▅▆▆▆▅▅▆▅▆▅▆▆▆▆▆▅▅▆362.935-405.296-607.149-205.009-4286.138-636.753449.688-168.205193.193490.245464.5451885.737-584.308-131.014-89.389-251.233-850.141-612.01-20.182-377.242-225.428-394.481-184.315-284.93-268.155-112.288-265.852-466.036-453.43995.578NANANANANANANANANANA287.0872296.727NANA163.751-1286.502
us-gaap:PaymentsOfDividendsCommonStock ▂▂▂▁▁▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▆█▃▃▃▃▄▃▃▃▃▃▂▃▃33.64134.01522.7590.00.090.74990.61490.490.35390.19890.13679.94779.90779.76979.60679.54974.81174.62274.5174.49874.46274.42574.3974.37774.34374.26974.04573.79573.54173.28980.814182.326259.74571.94275.72582.62186.09196.79289.47589.42683.98266.37863.34753.47867.50475.899
us-gaap:PaymentsForRepurchaseOfCommonStock █▁27.14220.933NANANANANANANANANANANANANANANANANANANANANANANANA0.0NANANA16.254NANANA9.713NANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4408000.04461000.04517000.04533000.04532000.04531000.04524000.04517000.04506000.04505000.04498000.04495000.03985000.03984000.03978000.03969000.03963000.03728000.03719000.03711000.03710000.03710000.03706000.03702000.03702000.03701000.03701000.03687000.03675000.03662000.03651000.03658000.03621000.03584000.03575000.03570000.03569000.03563000.03561000.03556000.03554000.03553000.02805000.02801000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Shares Issued

us-gaap:SharesIssued us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:SharesIssued

us-gaap:SeriesBPreferredStock, us-gaap:PreferredStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312011-12-312010-12-31
Value8.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.08.00.00.00.0
Percentage of SharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:SeriesCPreferredStock, us-gaap:PreferredStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1111111111110.0
Percentage of SharesIssued137.5137.5137.5137.5137.5137.50.0

us-gaap:SharesIssued us-gaap:StatementEquityComponents

us-gaap:CommonStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value440446451453453453452451450450449449398398397396396372371371371370370370370370370368367366365365362358357357356356356355355355280280219122
Percentage of SharesIssued5510.15576.45646.45666.75665.65664.25654.65646.15632.85631.05622.35618.44981.74980.44972.94961.74953.94660.24648.24638.54637.84637.24632.34628.24627.44626.74626.14609.04593.44577.74564.14572.94526.60.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value440446451453453453452451450450449449398398397396396372371371371370370370370370370368367366365365362358357357356356356355355355280280
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Preferred Stock Shares Issued

us-gaap:PreferredStockSharesIssued us-gaap:StatementClassOfStock

us-gaap:PreferredStockSharesIssued

us-gaap:SeriesBPreferredStock


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312013-12-312013-09-302013-06-302012-12-31
Value8.08.08.08.08.08.08.08.08.08.00.0
Percentage of PreferredStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesAuthorized


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value874874874874874874886886886886886886886886886886886886886886886886886886886886886886886886886886886895895895895895895895370370370370
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Preferred Stock Shares Authorized

us-gaap:PreferredStockSharesAuthorized us-gaap:StatementClassOfStock

us-gaap:PreferredStockSharesAuthorized

us-gaap:SeriesBPreferredStock


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312013-12-312013-09-302013-06-302012-12-31
Value8.058.058.058.058.058.058.058.058.058.050.0
Percentage of PreferredStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value440446451453453453452451450450449449398398397396396372371371371370370370370370370368367366365365362358357357356356356355355355280280
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302011-09-302011-06-302010-09-302010-06-30
Value443480493482452479459450428398355355280280
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value441451453453452451450450428398356355355297280280
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-03-312019-09-302019-06-302018-09-302017-03-312016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-03-312012-09-302012-06-302012-03-31
Value3.13.02.42.32.32.02.12.12.01.61.61.61.62.02.02.1
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302011-06-302011-03-312010-06-302010-03-31
Value0.130.170.080.170.19-2.020.210.20.20.190.120.190.170.220.270.160.29
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302011-06-302011-03-312010-06-302010-03-31
Value0.130.170.080.170.19-2.020.210.20.20.190.120.190.170.220.270.160.29
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2744000.01688000.01629000.02267000.01554000.01273000.04515000.01288000.02439000.0998000.04116000.01082000.02256000.0553000.02664000.01910000.02353000.01106000.05019000.01101000.01908000.01134000.04232000.01031000.01657000.0912000.04228000.01271000.01602000.01484000.01212000.0760000.01301000.0885000.02114000.01793000.01480000.01101000.01402000.01027000.01024000.0932000.01093000.0622000.0846000.0
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating3.22.72.73.41.80.92.90.91.70.73.10.92.20.52.61.82.10.94.51.01.71.03.60.91.30.73.81.11.41.21.00.61.10.71.71.41.20.91.10.80.80.81.10.61.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType

us-gaap:RestrictedStockUnitsRSU


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value2744000.01688000.01498000.02267000.01554000.01273000.01288000.01288000.02439000.0998000.01083000.01082000.02256000.0553000.0904000.01836000.02302000.01056000.01150000.0948000.01734000.0960000.0679000.0764000.01288000.0646000.0532000.0591000.0683000.01080000.0550000.0314000.0659000.0290000.0314000.0289000.0266000.0280000.0288000.0407000.0
Percentage of AllocatedShareBasedCompensationExpense100.0100.092.0100.0100.0100.028.5100.0100.0100.026.3100.0100.0100.033.996.197.895.522.986.190.984.716.074.177.770.812.646.542.672.845.441.350.732.814.916.118.025.420.539.6
Percentage of InterestAndDividendIncomeOperating3.22.72.53.41.80.90.80.91.70.70.80.92.20.50.91.72.10.91.00.81.50.80.60.61.00.50.50.50.60.90.50.30.50.20.30.20.20.20.20.3
Percentage of InterestAndDividendIncomeOperating us-gaap:RestrictedStockUnitsRSU0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value5781778664-1201.3468859083-45.20148525679611179972162162-27.371-8.971-16.7761386164513713015068-147.99520714455870354-48.063-24.349-42.456117
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating68.2132.4128.7131.373.9-825.944.960.062.359.0-34.141.551.554.878.958.6106.884.564.7144.4141.7-23.3-7.6-14.011.166.615.040.9116.0107.8124.457.5-122.6169.3115.8446.255.8286.8-38.8-18.6-32.1107.3

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2222202764292523232421192017162117161514141414121212121011107.91310108.453158.658.3668.4156.8338.7458.017.5916.5046.4156.7386.667
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating26.936.433.741.373.920.016.616.616.417.216.516.820.216.816.620.115.914.014.013.313.012.312.110.910.49.611.49.49.88.66.59.19.06.912.56.96.76.85.56.76.16.96.76.67.66.2

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterest


Income
Period End2020-09-302020-06-302017-12-312017-09-302017-06-302016-12-312016-09-30
Value0000-618000.00-485000.0
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.0100.00.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.00.00.0-0.60.0-0.4
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.0

Interest And Fee Income Loans And Leases

us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:CarryingReportedAmountFairValueDisclosure, mfa:NonQMLoans, us-gaap:PerformingFinancingReceivable, mfa:ResidentialWholeLoans


Interest
Period End2021-06-302020-06-30
Value2037
Percentage of InterestAndFeeIncomeLoansAndLeases100.0100.0
Percentage of InterestAndDividendIncomeOperating23.942.6
Percentage of InterestAndDividendIncomeOperating us-gaap:CarryingReportedAmountFairValueDisclosure mfa:NonQMLoans us-gaap:PerformingFinancingReceivable mfa:ResidentialWholeLoans0.00.0

us-gaap:CarryingReportedAmountFairValueDisclosure, mfa:RehabilitationLoans, us-gaap:PerformingFinancingReceivable, mfa:ResidentialWholeLoans


Interest
Period End2021-06-302020-06-30
Value6.95413
Percentage of InterestAndFeeIncomeLoansAndLeases34.535.7
Percentage of InterestAndDividendIncomeOperating8.215.2
Percentage of InterestAndDividendIncomeOperating us-gaap:CarryingReportedAmountFairValueDisclosure mfa:RehabilitationLoans us-gaap:PerformingFinancingReceivable mfa:ResidentialWholeLoans0.00.0

us-gaap:CarryingReportedAmountFairValueDisclosure, mfa:SeasonedPerformingLoans, us-gaap:PerformingFinancingReceivable, mfa:ResidentialWholeLoans


Interest
Period End2021-06-302020-06-30
Value1.542.253
Percentage of InterestAndFeeIncomeLoansAndLeases7.66.0
Percentage of InterestAndDividendIncomeOperating1.82.6
Percentage of InterestAndDividendIncomeOperating us-gaap:CarryingReportedAmountFairValueDisclosure mfa:SeasonedPerformingLoans us-gaap:PerformingFinancingReceivable mfa:ResidentialWholeLoans0.00.0

us-gaap:CarryingReportedAmountFairValueDisclosure, mfa:SingleFamilyRentalLoans, us-gaap:PerformingFinancingReceivable, mfa:ResidentialWholeLoans


Interest
Period End2021-06-302020-06-30
Value6.4397.268
Percentage of InterestAndFeeIncomeLoansAndLeases31.919.5
Percentage of InterestAndDividendIncomeOperating7.68.3
Percentage of InterestAndDividendIncomeOperating us-gaap:CarryingReportedAmountFairValueDisclosure mfa:SingleFamilyRentalLoans us-gaap:PerformingFinancingReceivable mfa:ResidentialWholeLoans0.00.0

us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CarryingReportedAmountFairValueDisclosure, mfa:CreditImpairedLoans, mfa:ResidentialWholeLoans


Interest
Period End2021-06-302020-06-30
Value119.335
Percentage of InterestAndFeeIncomeLoansAndLeases56.125.1
Percentage of InterestAndDividendIncomeOperating13.410.7
Percentage of InterestAndDividendIncomeOperating us-gaap:CarryingReportedAmountFairValueDisclosure mfa:CreditImpairedLoans mfa:ResidentialWholeLoans0.00.0

us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:PerformingFinancingReceivable, mfa:ResidentialWholeLoans


Interest
Period End2021-06-302020-06-30
Value3560
Percentage of InterestAndFeeIncomeLoansAndLeases174.1161.3
Percentage of InterestAndDividendIncomeOperating41.568.8
Percentage of InterestAndDividendIncomeOperating us-gaap:CarryingReportedAmountFairValueDisclosure us-gaap:PerformingFinancingReceivable mfa:ResidentialWholeLoans0.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:NonperformingFinancingReceivable, mfa:ResidentialWholeLoans


Interest
Period End2021-06-302020-06-30
Value1915
Percentage of InterestAndFeeIncomeLoansAndLeases97.741.4
Percentage of InterestAndDividendIncomeOperating23.317.6
Percentage of InterestAndDividendIncomeOperating us-gaap:EstimateOfFairValueFairValueDisclosure us-gaap:NonperformingFinancingReceivable mfa:ResidentialWholeLoans0.00.0

us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FairValueByMeasurementBasis, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CarryingReportedAmountFairValueDisclosure, mfa:ResidentialWholeLoans


Interest
Period End2021-06-302020-06-30
Value4669
Percentage of InterestAndFeeIncomeLoansAndLeases230.1186.3
Percentage of InterestAndDividendIncomeOperating54.979.5
Percentage of InterestAndDividendIncomeOperating us-gaap:CarryingReportedAmountFairValueDisclosure mfa:ResidentialWholeLoans0.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure, mfa:ResidentialWholeLoans


Interest
Period End2021-06-302020-06-30
Value2215
Percentage of InterestAndFeeIncomeLoansAndLeases112.241.4
Percentage of InterestAndDividendIncomeOperating26.817.6
Percentage of InterestAndDividendIncomeOperating us-gaap:EstimateOfFairValueFairValueDisclosure mfa:ResidentialWholeLoans0.00.0

us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FinancialInstrument, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

mfa:AgencyEligibleInvestorLoans, us-gaap:PerformingFinancingReceivable, mfa:ResidentialWholeLoans


Interest
Period End2021-06-30
Value0.262
Percentage of InterestAndFeeIncomeLoansAndLeases1.3
Percentage of InterestAndDividendIncomeOperating0.3
Percentage of InterestAndDividendIncomeOperating mfa:AgencyEligibleInvestorLoans us-gaap:PerformingFinancingReceivable mfa:ResidentialWholeLoans0.0

mfa:NonQMLoans, us-gaap:PerformingFinancingReceivable, mfa:ResidentialWholeLoans


Interest
Period End2021-06-302020-06-30
Value2137
Percentage of InterestAndFeeIncomeLoansAndLeases108.9100.0
Percentage of InterestAndDividendIncomeOperating26.042.6
Percentage of InterestAndDividendIncomeOperating mfa:NonQMLoans us-gaap:PerformingFinancingReceivable mfa:ResidentialWholeLoans0.00.0

mfa:RehabilitationLoans, us-gaap:PerformingFinancingReceivable, mfa:ResidentialWholeLoans


Interest
Period End2021-06-302020-06-30
Value7.32913
Percentage of InterestAndFeeIncomeLoansAndLeases36.335.7
Percentage of InterestAndDividendIncomeOperating8.715.2
Percentage of InterestAndDividendIncomeOperating mfa:RehabilitationLoans us-gaap:PerformingFinancingReceivable mfa:ResidentialWholeLoans0.00.0

mfa:SeasonedPerformingLoans, us-gaap:PerformingFinancingReceivable, mfa:ResidentialWholeLoans


Interest
Period End2021-06-302020-06-30
Value1.542.253
Percentage of InterestAndFeeIncomeLoansAndLeases7.66.0
Percentage of InterestAndDividendIncomeOperating1.82.6
Percentage of InterestAndDividendIncomeOperating mfa:SeasonedPerformingLoans us-gaap:PerformingFinancingReceivable mfa:ResidentialWholeLoans0.00.0

mfa:SingleFamilyRentalLoans, us-gaap:PerformingFinancingReceivable, mfa:ResidentialWholeLoans


Interest
Period End2021-06-302020-06-30
Value6.9067.268
Percentage of InterestAndFeeIncomeLoansAndLeases34.219.5
Percentage of InterestAndDividendIncomeOperating8.28.3
Percentage of InterestAndDividendIncomeOperating mfa:SingleFamilyRentalLoans us-gaap:PerformingFinancingReceivable mfa:ResidentialWholeLoans0.00.0

us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FinancialInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

mfa:CreditImpairedLoans, mfa:ResidentialWholeLoans


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
Value118.298.9738.7849.3359.1461010101111111011
Percentage of InterestAndFeeIncomeLoansAndLeases56.10.00.00.025.10.00.00.00.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating13.413.414.813.310.76.36.77.57.68.18.89.510.710.6
Percentage of InterestAndDividendIncomeOperating mfa:CreditImpairedLoans mfa:ResidentialWholeLoans0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

mfa:NonQMLoans, mfa:ResidentialWholeLoans


Interest
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value22242537493730262214104.1851.708
Percentage of InterestAndFeeIncomeLoansAndLeases0.00.00.0100.00.00.00.00.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating35.840.239.242.633.724.221.218.315.911.28.84.11.6
Percentage of InterestAndDividendIncomeOperating mfa:NonQMLoans mfa:ResidentialWholeLoans0.00.00.00.00.00.00.00.00.00.00.00.00.0

mfa:PurchasedPerformingLoans, mfa:ResidentialWholeLoans


Interest
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value37424560746153463827187.0253.298
Percentage of InterestAndFeeIncomeLoansAndLeases0.00.00.0161.30.00.00.00.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating59.970.369.068.851.140.537.532.327.120.715.66.93.2
Percentage of InterestAndDividendIncomeOperating mfa:PurchasedPerformingLoans mfa:ResidentialWholeLoans0.00.00.00.00.00.00.00.00.00.00.00.00.0

mfa:RehabilitationLoans, mfa:ResidentialWholeLoans


Interest
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6.6689.9821013151615139.9337.6524.7082.271.345
Percentage of InterestAndFeeIncomeLoansAndLeases0.00.00.035.70.00.00.00.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating10.816.516.415.210.510.510.69.17.05.84.02.21.3
Percentage of InterestAndDividendIncomeOperating mfa:RehabilitationLoans mfa:ResidentialWholeLoans0.00.00.00.00.00.00.00.00.00.00.00.00.0

mfa:SeasonedPerformingLoans, mfa:ResidentialWholeLoans


Interest
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.991.9941.9452.2532.62.733.1663.1223.1733.4022.4160.00.0
Percentage of InterestAndFeeIncomeLoansAndLeases0.00.00.06.00.00.00.00.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating3.23.32.92.61.81.82.22.22.32.62.10.00.0
Percentage of InterestAndDividendIncomeOperating mfa:SeasonedPerformingLoans mfa:ResidentialWholeLoans0.00.00.00.00.00.00.00.00.00.00.00.00.0

mfa:SingleFamilyRentalLoans, mfa:ResidentialWholeLoans


Interest
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6.2786.1946.9177.2687.3436.095.0253.9262.7011.5820.9180.570.245
Percentage of InterestAndFeeIncomeLoansAndLeases0.00.00.019.50.00.00.00.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating10.110.210.58.35.04.03.52.71.91.20.80.60.2
Percentage of InterestAndDividendIncomeOperating mfa:SingleFamilyRentalLoans mfa:ResidentialWholeLoans0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:NonperformingFinancingReceivable, mfa:ResidentialWholeLoans


Interest
Period End2021-06-302020-06-30
Value1915
Percentage of InterestAndFeeIncomeLoansAndLeases97.741.4
Percentage of InterestAndDividendIncomeOperating23.317.6
Percentage of InterestAndDividendIncomeOperating us-gaap:NonperformingFinancingReceivable mfa:ResidentialWholeLoans0.00.0

us-gaap:PerformingFinancingReceivable, mfa:ResidentialWholeLoans


Interest
Period End2021-06-302020-06-30
Value3860
Percentage of InterestAndFeeIncomeLoansAndLeases188.5161.3
Percentage of InterestAndDividendIncomeOperating45.068.8
Percentage of InterestAndDividendIncomeOperating us-gaap:PerformingFinancingReceivable mfa:ResidentialWholeLoans0.00.0

us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

mfa:ResidentialWholeLoans


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
Value6945515469837264574939291714
Percentage of InterestAndFeeIncomeLoansAndLeases342.30.00.00.0186.30.00.00.00.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating81.673.385.182.379.557.447.245.039.935.229.525.117.613.8
Percentage of InterestAndDividendIncomeOperating mfa:ResidentialWholeLoans0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value25304155878382858579705851504849495049484747464342433839404043413840434542403838373435353538
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating30.248.667.984.7100.757.653.960.158.756.153.450.150.948.748.146.944.542.944.342.741.740.539.236.534.633.835.035.534.233.835.935.431.932.734.536.634.032.531.329.628.231.536.336.440.335.7

Interest Expense Debt

us-gaap:InterestExpenseDebt

us-gaap:InterestExpenseDebt


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value3.9154.029.0035.915.9061111119.1548.2178.4387.9975.5764.8373.5922.9722.222.012.0092.0092.1462.2050.2650.3630.6180.751.0621.4151.8712.1852.7192.833.0753.4763.924.4774.6524.0573.5853.8282.661.599
Percentage of InterestExpenseDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating4.66.514.98.96.87.67.48.16.35.86.46.85.54.73.62.82.01.71.81.81.91.90.20.30.50.61.01.31.61.82.22.42.52.83.13.63.73.32.92.92.01.5

Interest Income Expense Net

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestIncomeExpenseNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value58311910-0.6236170565961615849535255616662646669727681867271788077768282817982838592947562615269
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating69.851.432.115.3-0.742.446.139.941.343.946.649.949.151.351.953.155.557.155.757.358.359.560.863.565.466.265.064.565.866.264.164.668.167.365.563.466.067.568.770.471.868.563.763.659.764.3

Interest Income Expense Nonoperating Net

us-gaap:InterestIncomeExpenseNonoperatingNet us-gaap:DerivativeInstrumentRisk

us-gaap:InterestIncomeExpenseNonoperatingNet

us-gaap:InterestRateSwap


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.00.0-3.359-0.634-0.3220.6921.1917.967-0.547-0.808-2.832
Percentage of InterestIncomeExpenseNonoperatingNet0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.00.0-2.3-0.4-0.20.50.86.0-0.5-0.8-2.7
Percentage of InterestAndDividendIncomeOperating us-gaap:InterestRateSwap0.00.00.00.00.00.00.00.00.00.00.00.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2929404785809267888171575151
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating34.447.867.772.697.555.160.647.561.057.854.049.351.049.5

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6685458796-908.9951009593886087708310063797872837878737978827978787678717577697874847083798261774882
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating78.9138.375.8132.0110.5-624.965.767.064.263.045.974.269.280.499.760.772.666.664.673.668.966.562.066.463.063.271.771.166.462.964.960.262.563.055.462.459.668.656.964.060.075.463.179.354.576.8

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value66858796-908.99595938860877083100637978728378787379788279787876787175776978748470
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating78.9138.3132.0110.5-624.967.064.263.045.974.269.280.499.760.772.666.664.673.668.966.562.066.463.063.271.771.166.462.964.960.262.563.055.462.459.668.656.9
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5877377888-914.2196918985578366799660767468797574697574787575747274676775677672826881778059754680
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating69.0124.562.2119.0100.9-628.563.364.261.460.443.071.065.576.896.057.169.263.461.270.365.763.358.863.359.960.468.367.763.259.861.857.055.861.453.860.857.966.955.362.458.573.661.077.252.274.9

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterest


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-0.06-144.736-368.222-8.41-14.499-6.371-17.009-27.259-9.455-5.178-8.623-8.424-14.935-6.274-10.385-10.127-7.314-8.688
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic-0.1-164.240.3-8.7-15.8-7.2-20.0-47.7-11.3-7.8-10.8-8.7-24.9-8.2-14.0-14.7-9.2-11.6
Percentage of InterestAndDividendIncomeOperating-0.1-165.7-253.1-5.5-10.2-4.4-12.1-20.5-8.1-5.1-8.3-8.3-14.2-5.7-8.9-9.0-6.5-7.6
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value5880378292-914.21100959084568366
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating69.2130.961.9124.9105.3-628.565.666.962.260.242.970.865.3

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

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.0-0.0010.0-50.1277.042-0.233-19.706-10.445-18.4295.397.91519185.791-1.017
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax0.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.0-0.00.0-34.54.6-0.2-13.6-7.4-13.94.67.819.018.55.5-0.9

Preferred Stock Dividends Income Statement Impact

us-gaap:PreferredStockDividendsIncomeStatementImpact

us-gaap:PreferredStockDividendsIncomeStatementImpact


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8.2198.2198.2188.2198.1445.2153.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.754.212.042.042.042.042.042.042.042.042.042.042.042.042.04
Percentage of PreferredStockDividendsIncomeStatementImpact100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating9.713.313.612.49.33.62.42.62.62.72.83.23.73.63.73.63.43.23.33.33.33.23.23.13.02.93.43.43.23.13.13.23.51.71.61.61.61.71.61.61.51.92.12.12.31.9

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value720867176932748375671113013567131041320812801124201178110644106151095411103115361190012484127511282712844131671338413654139011235412242126501279212471125981319613652135171373512891124511175011994119271143686879627
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value468141754407491750468689101839701980493979004822974387379769378458262884494509717987999821020010332105091069391518989937595889329952510032103871020610496101359686925293539171854764367458
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets65.062.263.665.766.778.175.174.074.273.472.569.969.969.570.270.771.674.375.776.277.077.777.577.277.076.974.173.474.175.074.875.676.076.175.576.478.677.878.778.076.974.774.177.5

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value720867176932748375671113013567131041320812801124201178110644106151095411103115361190012484127511282712844131671338413654139011235412242126501279212471125981319613652135171373512891124511175011994119271143686879627
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312009-12-31
Value252625422524256525212440338334033403340434163552320632353261325732743055303330332947286129673051314532083203325332753204314230733164326533113239275527652497264122502168
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets35.037.836.434.333.321.924.926.025.826.627.530.130.130.529.829.328.425.724.323.823.022.322.522.823.023.125.926.625.925.025.224.424.023.924.523.621.422.221.322.025.922.5

us-gaap:StockholdersEquity us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:SeriesBPreferredStock, us-gaap:PreferredStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312011-12-312010-12-31
Value0.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.00.00.0
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:SeriesBPreferredStock us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SeriesCPreferredStock, us-gaap:PreferredStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.110.110.110.110.110.110.0
Percentage of StockholdersEquity0.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:SeriesCPreferredStock us-gaap:PreferredStock0.00.00.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

mfa:AOCIAccumulatedGainLossFinancingAgreements


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-30
Value-1.588-2.079-2.314-22.652
Percentage of StockholdersEquity-0.1-0.1-0.1-0.9
Percentage of Assets-0.0-0.0-0.0-0.3
Percentage of Assets mfa:AOCIAccumulatedGainLossFinancingAgreements0.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value6675796752148392430439422417620620
Percentage of StockholdersEquity2.63.03.22.62.16.111.612.712.912.412.219.020.4
Percentage of Assets0.91.11.10.90.71.32.93.33.33.33.45.75.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312009-12-312008-12-31
Value647377454577370401411414420526564582609630632594573573493410515598694758754817851792737665668892761686206210-58.70359254187-310.274
Percentage of StockholdersEquity2.62.93.11.81.83.210.911.812.112.212.314.817.618.018.719.319.319.518.918.916.714.317.419.622.123.723.625.126.024.723.521.721.127.323.021.27.57.6-2.42.311.38.60.0
Percentage of Assets0.91.11.10.60.60.72.73.13.13.23.44.55.35.55.65.75.55.04.64.53.83.23.94.55.15.56.16.76.76.25.95.35.16.55.65.01.61.7-0.50.52.91.90.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312009-12-312008-12-31
Value3804382538483924392239063640363436253622362336203230322732273219321430303029302330213019301930173016301430133002299129812972297729492813280528042802279727952792218421801775
Percentage of StockholdersEquity150.6150.5152.4153.0155.6160.1107.6106.8106.5106.4106.1101.9100.799.898.998.898.299.299.899.7102.5105.5101.898.995.994.094.192.391.393.094.696.993.286.284.786.6101.7101.2111.9105.797.1100.60.0
Percentage of Assets52.856.955.552.451.835.126.827.727.428.329.230.730.330.429.529.027.925.524.323.723.623.522.922.522.121.724.424.523.623.323.823.622.420.620.820.421.722.523.823.325.122.70.0
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312009-12-312008-12-31
Value4.4084.4614.5174.5334.5324.5314.5244.5174.5064.5054.4984.4953.9853.9843.9783.9693.9633.7283.7193.7113.713.713.7063.7023.7023.7013.7013.6873.6753.6623.6513.6583.6213.5843.5753.573.5693.5633.5613.5562.8052.8012.195
Percentage of StockholdersEquity0.20.20.20.20.20.20.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.0
Percentage of Assets0.10.10.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
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:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312009-12-312008-12-31
Value-1347.466-1361.664-1405.327-1408.91-1451.783-1548.361-631.04-637.161-638.396-637.286-632.04-598.971-592.218-578.913-578.95-596.022-576.482-573.127-572.641-566.917-571.709-572.445-572.332-567.649-569.055-569.031-568.596-570.106-571.421-572.627-571.544-573.065-457.586-444.324-260.308-255.591-256.283-246.433-243.061-214.785-191.569-202.189-210.815
Percentage of StockholdersEquity-53.3-53.6-55.7-54.9-57.6-63.4-18.6-18.7-18.8-18.7-18.5-16.9-18.5-17.9-17.8-18.3-17.6-18.8-18.9-18.7-19.4-20.0-19.3-18.6-18.1-17.7-17.8-17.5-17.4-17.9-18.2-18.6-14.5-13.6-7.9-7.9-9.3-8.9-9.7-8.1-8.5-9.30.0
Percentage of Assets-18.7-20.3-20.3-18.8-19.2-13.9-4.7-4.9-4.8-5.0-5.1-5.1-5.6-5.5-5.3-5.4-5.0-4.8-4.6-4.4-4.5-4.5-4.3-4.2-4.2-4.1-4.6-4.7-4.5-4.5-4.6-4.5-3.5-3.3-1.9-1.9-2.0-2.0-2.1-1.8-2.2-2.10.0
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

Cash

us-gaap:Cash us-gaap:FinancialInstrument, us-gaap:SubsequentEventType

us-gaap:Cash

mfa:NonQMLoans, us-gaap:SubsequentEvent


Cashus-gaap:
Period End2020-11-05
Value125
Percentage of Cash100.0
Percentage of Assets0.0
Percentage of Assets mfa:NonQMLoans us-gaap:SubsequentEvent0.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value9067808148846661167015488765210454214449608745421260288182146165174218168182423343274565503448601401450593374394421503629345270531768653361234
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.611.611.711.88.81.00.51.20.70.60.40.90.52.04.15.56.53.52.12.31.41.11.31.31.61.21.53.52.72.14.54.03.44.43.03.34.63.03.43.54.25.54.00.00.00.06.80.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value9157858218896733331341931191188811058221463623757432318236
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 Assets12.711.711.911.98.93.01.01.50.90.90.70.90.52.14.25.66.63.62.61.8

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302020-12-31
Value380.758
Percentage of OperatingLeaseRightOfUseAsset100.0100.0
Percentage of Assets0.50.0

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value4393923855716131171784735607551527406618303238233287286280208227176166
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.15.85.67.68.110.55.85.64.64.34.23.45.82.92.22.12.52.42.21.61.81.41.3

Long Term Debt

us-gaap:LongTermDebt us-gaap:FinancialInstrument

us-gaap:LongTermDebt

us-gaap:AssetBackedSecuritiesSecuritizedLoansAndReceivables


Long
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value204615481514837570
Percentage of LongTermDebt100.0100.0100.0100.0100.0
Percentage of Assets28.423.121.811.24.2
Percentage of Assets us-gaap:AssetBackedSecuritiesSecuritizedLoansAndReceivables0.00.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302020-12-31
Value4619000.085000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0
Percentage of Assets0.10.0

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302020-12-31
Value4599000.086000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0
Percentage of Assets0.10.0

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302020-12-31
Value4534000.065000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0
Percentage of Assets0.10.0

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302020-12-31
Value410.636
Percentage of OperatingLeaseLiability100.0100.0
Percentage of Assets0.60.0

us-gaap:OperatingLeaseLiability us-gaap:PropertyPlantAndEquipmentByType

mfa:NewCorporateHeadquartersLocation


Operating
Period End2020-12-31
Value4.6
Percentage of OperatingLeaseLiability723.3
Percentage of Assets0.1
Percentage of Assets mfa:NewCorporateHeadquartersLocation0.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302020-12-31
Value720.67
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0
Percentage of Assets1.00.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue us-gaap:PropertyPlantAndEquipmentByType

mfa:NewCorporateHeadquartersLocation


Lessee
Period End2021-06-302021-03-312020-09-30
Value4.84.64.6
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue6.60.00.0
Percentage of Assets0.10.10.1
Percentage of Assets mfa:NewCorporateHeadquartersLocation0.00.00.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312009-12-31
Value252625422524256525212440338334033403340434163552320632353261325732743055303330332947286129673051314532083203325332753204314230733164326533113239275527652497264122502168
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets35.037.836.434.333.321.924.926.025.826.627.530.130.130.529.829.328.425.724.323.823.022.322.522.823.023.125.926.625.925.025.224.424.023.924.523.621.422.221.322.025.922.5

us-gaap:StockholdersEquity us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:SeriesBPreferredStock, us-gaap:PreferredStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312011-12-312010-12-31
Value0.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.00.00.0
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:SeriesBPreferredStock us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SeriesCPreferredStock, us-gaap:PreferredStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.110.110.110.110.110.110.0
Percentage of StockholdersEquity0.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:SeriesCPreferredStock us-gaap:PreferredStock0.00.00.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

mfa:AOCIAccumulatedGainLossFinancingAgreements


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-30
Value-1.588-2.079-2.314-22.652
Percentage of StockholdersEquity-0.1-0.1-0.1-0.9
Percentage of Assets-0.0-0.0-0.0-0.3
Percentage of Assets mfa:AOCIAccumulatedGainLossFinancingAgreements0.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value6675796752148392430439422417620620
Percentage of StockholdersEquity2.63.03.22.62.16.111.612.712.912.412.219.020.4
Percentage of Assets0.91.11.10.90.71.32.93.33.33.33.45.75.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312009-12-312008-12-31
Value647377454577370401411414420526564582609630632594573573493410515598694758754817851792737665668892761686206210-58.70359254187-310.274
Percentage of StockholdersEquity2.62.93.11.81.83.210.911.812.112.212.314.817.618.018.719.319.319.518.918.916.714.317.419.622.123.723.625.126.024.723.521.721.127.323.021.27.57.6-2.42.311.38.60.0
Percentage of Assets0.91.11.10.60.60.72.73.13.13.23.44.55.35.55.65.75.55.04.64.53.83.23.94.55.15.56.16.76.76.25.95.35.16.55.65.01.61.7-0.50.52.91.90.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312009-12-312008-12-31
Value3804382538483924392239063640363436253622362336203230322732273219321430303029302330213019301930173016301430133002299129812972297729492813280528042802279727952792218421801775
Percentage of StockholdersEquity150.6150.5152.4153.0155.6160.1107.6106.8106.5106.4106.1101.9100.799.898.998.898.299.299.899.7102.5105.5101.898.995.994.094.192.391.393.094.696.993.286.284.786.6101.7101.2111.9105.797.1100.60.0
Percentage of Assets52.856.955.552.451.835.126.827.727.428.329.230.730.330.429.529.027.925.524.323.723.623.522.922.522.121.724.424.523.623.323.823.622.420.620.820.421.722.523.823.325.122.70.0
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312009-12-312008-12-31
Value4.4084.4614.5174.5334.5324.5314.5244.5174.5064.5054.4984.4953.9853.9843.9783.9693.9633.7283.7193.7113.713.713.7063.7023.7023.7013.7013.6873.6753.6623.6513.6583.6213.5843.5753.573.5693.5633.5613.5562.8052.8012.195
Percentage of StockholdersEquity0.20.20.20.20.20.20.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.0
Percentage of Assets0.10.10.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
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:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312009-12-312008-12-31
Value-1347.466-1361.664-1405.327-1408.91-1451.783-1548.361-631.04-637.161-638.396-637.286-632.04-598.971-592.218-578.913-578.95-596.022-576.482-573.127-572.641-566.917-571.709-572.445-572.332-567.649-569.055-569.031-568.596-570.106-571.421-572.627-571.544-573.065-457.586-444.324-260.308-255.591-256.283-246.433-243.061-214.785-191.569-202.189-210.815
Percentage of StockholdersEquity-53.3-53.6-55.7-54.9-57.6-63.4-18.6-18.7-18.8-18.7-18.5-16.9-18.5-17.9-17.8-18.3-17.6-18.8-18.9-18.7-19.4-20.0-19.3-18.6-18.1-17.7-17.8-17.5-17.4-17.9-18.2-18.6-14.5-13.6-7.9-7.9-9.3-8.9-9.7-8.1-8.5-9.30.0
Percentage of Assets-18.7-20.3-20.3-18.8-19.2-13.9-4.7-4.9-4.8-5.0-5.1-5.1-5.6-5.5-5.3-5.4-5.0-4.8-4.6-4.4-4.5-4.5-4.3-4.2-4.2-4.1-4.6-4.7-4.5-4.5-4.6-4.5-3.5-3.3-1.9-1.9-2.0-2.0-2.1-1.8-2.2-2.10.0
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4408000.04461000.04517000.04533000.04532000.04531000.04524000.04517000.04506000.04505000.04498000.04495000.03985000.03984000.03978000.03969000.03963000.03728000.03719000.03711000.03710000.03710000.03706000.03702000.03702000.03701000.03701000.03687000.03675000.03662000.03651000.03658000.03621000.03584000.03575000.03570000.03569000.03563000.03561000.03556000.03554000.03553000.02805000.02801000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value38043825384839243922390636403634362536223623362032303227322732193214303030293023302130193019301730163014301330022991298129722977294928132805280428022797279527922791278921842180
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets52.856.955.552.451.835.126.827.727.428.329.230.730.330.429.529.027.925.524.323.723.623.522.922.522.121.724.424.523.623.323.823.622.420.620.820.421.722.523.823.323.424.425.122.7

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-1347500000.0-1361700000.0-1405300000.0-1408900000.0-1451800000.0-1548400000.0-631040000.0-637160000.0-638400000.0-637290000.0-632040000.0-598970000.0-592220000.0-578910000.0-578950000.0-596020000.0-576480000.0-573130000.0-572640000.0-566920000.0-571710000.0-572440000.0-572330000.0-567650000.0-569060000.0-569030000.0-568600000.0-570110000.0-571420000.0-572630000.0-571540000.0-573060000.0-457590000.0-444320000.0-260310000.0-255590000.0-256280000.0-246430000.0-243060000.0-214780000.0-206900000.0-194770000.0-191570000.0-202190000.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-18.7-20.3-20.3-18.8-19.2-13.9-4.7-4.9-4.8-5.0-5.1-5.1-5.6-5.5-5.3-5.4-5.0-4.8-4.6-4.4-4.5-4.5-4.3-4.2-4.2-4.1-4.6-4.7-4.5-4.5-4.6-4.5-3.5-3.3-1.9-1.9-2.0-2.0-2.1-1.8-1.7-1.7-2.2-2.1

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value647377454577370401411414420526564582609630632594573573493410515598694758754817851792737665668892761686206210-58.70359167289254187
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.91.11.10.60.60.72.73.13.13.23.44.55.35.55.65.75.55.04.64.53.83.23.94.55.15.56.16.76.76.25.95.35.16.55.65.01.61.7-0.50.51.42.52.91.9

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.3980.3820.0010.0370.6877.7240.5860.5510.5633890.4811.236.2934.2651823.9563.7190.3410.2940.3060.2950.3030.3110.3129.2699.525
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value0.3940.3760.0360.687.7130.5850.5440.563890.481.2246.2844.2591823.9473.7110.340.2940.3020.2910.3030.310.3129.2559.5139.2177.6059.81527337.35911
Percentage of StockIssuedDuringPeriodValueNewIssues99.098.497.399.099.999.898.799.599.999.899.599.999.999.999.899.899.7100.098.798.6100.099.7100.099.899.90.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value0.0040.0060.0010.0010.0070.0110.0010.0070.0030.510.0010.0060.0090.0060.2350.0090.0080.0010.00.0040.0040.00.0010.00.0140.0120.0130.0110.0140.0370.0370.0090.021
Percentage of StockIssuedDuringPeriodValueNewIssues1.01.6100.02.71.00.10.21.30.50.10.20.50.10.10.10.20.20.30.01.31.40.00.30.00.20.10.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value2741000.01686000.02266000.01709000.01266000.01288000.02438000.0992000.04112000.01082000.02255000.0549000.02663000.01909000.02276000.01024000.04555000.01102000.01908000.01130000.04229000.01031000.01657000.0912000.04224000.01271000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value2741000.01686000.02266000.01709000.01266000.01288000.02438000.0992000.04112000.01082000.02255000.0549000.02663000.01909000.02276000.01024000.04555000.01102000.01908000.01130000.04229000.01031000.01657000.0912000.04224000.01271000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312011-06-302011-03-312010-06-302010-03-31
Value722421-39.8934313626748375746375.89657225243-13.32462-2.893381223670517862664895626060
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating85.739.135.8-60.449.79.140.647.433.726.343.439.637.35.756.621.747.837.1-11.855.7-2.533.2103.830.457.239.970.456.456.239.872.356.567.856.1

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312011-06-302011-03-312010-06-302010-03-31
Value-305.9823455174604583822-570.394174-240.919-497.458-544.821-1879.685382-116.16-126.1239111217304.924202643365220424646-53.916483455-434.541-508.753-2074.629-460.9311341
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-362.0558.5855.8696.95245.8565.3-372.5121.9-166.2-352.9-410.4-1600.7376.2-112.0-125.086.61018.0622.64.4373.0231.3286.644.0170.6199.236.0-48.5435.9384.2-358.6-385.1-1888.1-520.11245.4

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312011-06-302011-03-312010-06-302010-03-31
Value362-405.296-607.149-205.009-4286.138-636.753449-168.2051934904641885-584.308-131.014-89.389-251.233-850.141-612.01-20.182-377.242-225.428-394.481-184.315-284.93-268.155-112.288-265.852-466.036-453.439952872296163-1286.502
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating429.4-655.3-1004.0-310.2-4905.8-437.8293.7-117.9133.3347.8350.01605.8-574.3-126.3-88.6-239.0-771.8-521.9-17.9-334.7-196.9-335.8-155.5-238.0-216.3-86.4-239.1-420.0-382.278.9217.32090.3184.8-1194.6

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value129-35.655-67.955215340198-58.527731.13929-22.64552-163.608-241.278
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating153.1-57.6-112.4326.3389.7136.6-38.251.50.821.2-17.144.7-160.8-232.6

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312011-06-302011-03-312010-06-302010-03-31
Value722421-39.8934313626748375746375.89657225243-13.32462-2.893381223670517862664895626060
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating85.739.135.8-60.449.79.140.647.433.726.343.439.637.35.756.621.747.837.1-11.855.7-2.533.2103.830.457.239.970.456.456.239.872.356.567.856.1

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6685458796-908.9951009593886087708310063797872837878737978827978787678717577697874847083798261774882
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating78.9138.375.8132.0110.5-624.965.767.064.263.045.974.269.280.499.760.772.666.664.673.668.966.562.066.463.063.271.771.166.462.964.960.262.563.055.462.459.668.656.964.060.075.463.179.354.576.8

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value66858796-908.99595938860877083100637978728378787379788279787876787175776978748470
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating78.9138.3132.0110.5-624.967.064.263.045.974.269.280.499.760.772.666.664.673.668.966.562.066.463.063.271.771.166.462.964.960.262.563.055.462.459.668.656.9
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312011-06-302011-03-312010-06-302010-03-31
Value-305.9823455174604583822-570.394174-240.919-497.458-544.821-1879.685382-116.16-126.1239111217304.924202643365220424646-53.916483455-434.541-508.753-2074.629-460.9311341
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-362.0558.5855.8696.95245.8565.3-372.5121.9-166.2-352.9-410.4-1600.7376.2-112.0-125.086.61018.0622.64.4373.0231.3286.644.0170.6199.236.0-48.5435.9384.2-358.6-385.1-1888.1-520.11245.4

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value394.4153.4372.262-1.0130.1760.5280.3080.6520.391
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments To Acquire Investments

us-gaap:PaymentsToAcquireInvestments

us-gaap:PaymentsToAcquireInvestments


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value0.00.01.141162170139370327582169812819415753664424450947354937537725266251819211267888211281
Percentage of PaymentsToAcquireInvestments0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312011-06-302011-03-312010-06-302010-03-31
Value362-405.296-607.149-205.009-4286.138-636.753449-168.2051934904641885-584.308-131.014-89.389-251.233-850.141-612.01-20.182-377.242-225.428-394.481-184.315-284.93-268.155-112.288-265.852-466.036-453.439952872296163-1286.502
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating429.4-655.3-1004.0-310.2-4905.8-437.8293.7-117.9133.3347.8350.01605.8-574.3-126.3-88.6-239.0-771.8-521.9-17.9-334.7-196.9-335.8-155.5-238.0-216.3-86.4-239.1-420.0-382.278.9217.32090.3184.8-1194.6

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3334220.00.0909090909090797979797974747474747474747474747373738018225971758286968989836663536775
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312014-12-312013-12-312012-12-31
Value27200.0169.713
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.00.0100.0100.0

mfa:AccretionIncome us-gaap:FinancialInstrument

mfa:AccretionIncome

mfa:LegacyNonAgencyMBS


Accretion
Period End2021-03-312019-12-312019-09-302019-06-302018-12-312018-09-302017-12-31
Value0.67110.03.10.42.30.0
Percentage of AccretionIncome100.0100.00.0100.0100.0100.00.0

mfa:MSRRelatedAssets


Accretion
Period End2021-06-30
Value8.4
Percentage of AccretionIncome0.0

us-gaap:MortgageBackedSecuritiesOther


Accretion
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.08.10.00.00.2770.1770.0040.1480.1480.21.10.041.20.00.575
Percentage of AccretionIncome0.01209.00.00.00.01.60.04.80.050.047.80.00.00.00.0

mfa:AccretionofPurchaseDiscounts

mfa:AccretionofPurchaseDiscounts


Accretionof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value17167.5187.3418.1312241217151823211919202223202120222223242520202027
Percentage of AccretionofPurchaseDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:AmortizationOfPurchasePremiums

mfa:AmortizationOfPurchasePremiums


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value8.8786.7915.15.35820151312117.628.1298.6337.1165.3926.5647.7647.9738.0298.977109.2748.1438.87911119.1226.0668.3087.463101115161414141210
Percentage of AmortizationOfPurchasePremiums100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:AvailableForSaleSecuritiesChangesInPurchaseDiscountDueToNetImpairmentLossesRecognizedInEarnings us-gaap:FinancialInstrument, us-gaap:InvestmentSecondaryCategorization

mfa:AvailableForSaleSecuritiesChangesInPurchaseDiscountDueToNetImpairmentLossesRecognizedInEarnings

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises, mfa:DiscountDesignatedAsCreditReservesAndOtherThanTemporaryImpairment


Available
Period End2020-09-302020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-30
Value0.00.0-11.5130.00.0-1.2590.00.00.00.0-0.618
Percentage of AvailableForSaleSecuritiesChangesInPurchaseDiscountDueToNetImpairmentLossesRecognizedInEarnings0.00.0100.00.00.0100.00.00.00.00.0100.0

mfa:AvailableForSaleSecuritiesChangesInPurchaseDiscountDueToSales us-gaap:FinancialInstrument, us-gaap:InvestmentSecondaryCategorization

mfa:AvailableForSaleSecuritiesChangesInPurchaseDiscountDueToSales

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises, mfa:AccretableDiscount


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.17781-5.5517.2226.0292.85616211.9740.05.1057.636112.819
Percentage of AvailableForSaleSecuritiesChangesInPurchaseDiscountDueToSales100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises, mfa:DiscountDesignatedAsCreditReservesAndOtherThanTemporaryImpairment


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.03874910128.1713.1915.8431.5520.05.5922.3324.625.037
Percentage of AvailableForSaleSecuritiesChangesInPurchaseDiscountDueToSales0.0474.7-891.6147.7207.0286.119.527.578.60.0109.530.541.1178.7

mfa:AvailableForSaleSecuritiesPurchaseDiscountDesignatedAsCreditReservesReallocatedToAccretablePurchaseDiscount us-gaap:FinancialInstrument, us-gaap:InvestmentSecondaryCategorization

mfa:AvailableForSaleSecuritiesPurchaseDiscountDesignatedAsCreditReservesReallocatedToAccretablePurchaseDiscount

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises, mfa:AccretableDiscount


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.00.0-4.689-8.339-0.93-4.589-3.802-0.256-10.22-8.03-7.143-17.055-14.762-9.765
Percentage of AvailableForSaleSecuritiesPurchaseDiscountDesignatedAsCreditReservesReallocatedToAccretablePurchaseDiscount0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises, mfa:DiscountDesignatedAsCreditReservesAndOtherThanTemporaryImpairment


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.00.04.6898.3390.934.5893.8020.256108.037.14317149.765
Percentage of AvailableForSaleSecuritiesPurchaseDiscountDesignatedAsCreditReservesReallocatedToAccretablePurchaseDiscount0.00.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0

mfa:ComprehensiveIncomeLossToCommonStockholdersAndParticipatingSecurities

mfa:ComprehensiveIncomeLossToCommonStockholdersAndParticipatingSecurities


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4973697856-1206.55565818679-48.95145485375571139569159158-31.121-12.721-20.5261082124113312614664-156.15220514255668352-50.103-26.389-44.496115881154975
Percentage of ComprehensiveIncomeLossToCommonStockholdersAndParticipatingSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:CouponInterestSecuritiesMortgageBacked us-gaap:FinancialInstrument

mfa:CouponInterestSecuritiesMortgageBacked

mfa:LegacyNonAgencyMBS


Coupon
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.00.0140.0410.0420.897171821222425272728293032
Percentage of CouponInterestSecuritiesMortgageBacked0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:MSRRelatedAssets


Coupon
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value2.0442.4052.6382.9916.13314141512108.1716.4075.0817.5176.9137.1175.832
Percentage of CouponInterestSecuritiesMortgageBacked0.017178.66434.17121.4683.782.277.072.453.843.631.523.718.226.123.223.218.0

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


Coupon
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.00.00.402131518222425212020222324
Percentage of CouponInterestSecuritiesMortgageBacked0.00.044.878.984.190.4100.3101.599.179.771.772.774.076.576.8

us-gaap:MortgageBackedSecuritiesOther


Coupon
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.0210.3520.7540.8111.2285.5838.78113141615119.58810111317
Percentage of CouponInterestSecuritiesMortgageBacked0.02514.31839.01931.0136.932.346.563.064.067.758.542.634.334.938.545.454.3

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


Coupon
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.9230.9210.9470.9561.6223.4853.7635.1745.4776.1187.1447.2577.8548.3747.9947.8686.586
Percentage of CouponInterestSecuritiesMortgageBacked0.06578.62309.82276.2180.820.219.924.624.025.227.626.928.129.026.825.620.3

mfa:DebtSecuritiesAvailableforsaleAllowanceforCreditLossCreditLossExpenseReversalNoPriorAllowance us-gaap:FinancialInstrument

mfa:DebtSecuritiesAvailableforsaleAllowanceforCreditLossCreditLossExpenseReversalNoPriorAllowance

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.00.03320.00.0
Percentage of DebtSecuritiesAvailableforsaleAllowanceforCreditLossCreditLossExpenseReversalNoPriorAllowance0.00.00.0100.00.00.0

mfa:DebtSecuritiesUnrealizedGainLossResidentialMortgageSecuritiesMeasuredatFairValue

mfa:DebtSecuritiesUnrealizedGainLossResidentialMortgageSecuritiesMeasuredatFairValue


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.3740.1012.9460.09164-77.961-1.021-0.5710.08.672-25.039-8.545-2.351-0.88
Percentage of DebtSecuritiesUnrealizedGainLossResidentialMortgageSecuritiesMeasuredatFairValue100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

mfa:DebtSecuritiesandLoansRealizedGainLossExcludingOtherthantemporaryImpairment

mfa:DebtSecuritiesandLoansRealizedGainLossExcludingOtherthantemporaryImpairment


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.04849-238.3811177.7124
Percentage of DebtSecuritiesandLoansRealizedGainLossExcludingOtherthantemporaryImpairment0.0100.0100.0100.0100.0100.0100.0100.0

mfa:DecreaseInFinanceCostBasisPoints us-gaap:FinancialInstrument, us-gaap:SubsequentEventType

mfa:DecreaseInFinanceCostBasisPoints

mfa:NonQMLoans, us-gaap:SubsequentEvent


Decrease
Period End2021-05-06
Value203.0
Percentage of DecreaseInFinanceCostBasisPoints100.0

mfa:DerivativeWeightedAverageInterestRatePaid us-gaap:DerivativeInstrumentRisk

mfa:DerivativeWeightedAverageInterestRatePaid

us-gaap:InterestRateSwap


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value02.039400.0209-0.00040.02290.02350.02310.00030.02190.02050.02040.00020.02040.01980.018800.01820.01820.01820.00030.01820.01830.01840.00010.01910.01920.0192-0.00070.02070.02120.0227-0.00060.02720.0270.0278-0.00110.02880.03260.0367-0.00050.03840.0398
Percentage of DerivativeWeightedAverageInterestRatePaid0.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:DerivativeWeightedAverageInterestRateReceived us-gaap:DerivativeInstrumentRisk

mfa:DerivativeWeightedAverageInterestRateReceived

us-gaap:InterestRateSwap


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value01.613700.0165-0.00160.02240.02460.02490.0010.02090.01920.0160.00070.01230.01010.00790.00030.00490.00440.00420.00010.00190.00180.001700.00160.00150.0016-0.00010.0020.0020.0021-0.00020.00270.00280.00310.00010.00210.00230.002700.00360.0031
Percentage of DerivativeWeightedAverageInterestRateReceived0.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

mfa:DividendsDividendEquivalentRights

mfa:DividendsDividendEquivalentRights


Dividends
Period End2021-06-302021-03-312020-09-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302012-09-302012-06-302012-03-312011-03-31
Value155000.0120000.092000.0276000.0276000.0256000.0241000.0241000.0244000.0217000.0206000.0205000.0254000.0227000.0234000.0238000.0241000.0218000.0263000.0265000.0264000.0249000.0380000.00322000.0359000.0379000.0355000.0
Percentage of DividendsDividendEquivalentRights100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

mfa:DividendsDividendEquivalentRights us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-09-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302012-12-312012-09-302012-06-302012-03-312011-03-31
Value155000.0120000.092000.0276000.0276000.0256000.0241000.0241000.0244000.0217000.0206000.0205000.0254000.0227000.0234000.0238000.0241000.0218000.0263000.0265000.0264000.0249000.0380000.00313000.0322000.0359000.0379000.0355000.0
Percentage of DividendsDividendEquivalentRights100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0

mfa:EffectiveYieldAdjustmentSecuritiesMortgageBacked us-gaap:FinancialInstrument

mfa:EffectiveYieldAdjustmentSecuritiesMortgageBacked

mfa:LegacyNonAgencyMBS


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.00.670.0010.0061.1539.4062110141315181717161819
Percentage of EffectiveYieldAdjustmentSecuritiesMortgageBacked0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:MSRRelatedAssets


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value113.2183.133.253.6080.0-0.1220.0520.0380.0330.00.01.1380.1060.0840.0770.073
Percentage of EffectiveYieldAdjustmentSecuritiesMortgageBacked0.0480.3313000.054166.7312.90.0-0.60.50.30.30.00.06.50.60.50.40.4

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


Effective
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.00.0-0.412-4.775-5.506-7.188-7.664-6.187-6.179-7.217-6.87-5.665-6.748-7.94-8.317
Percentage of EffectiveYieldAdjustmentSecuritiesMortgageBacked0.00.0-35.7-50.8-25.5-69.5-52.8-47.1-39.5-38.0-39.3-32.9-39.8-44.1-42.5

us-gaap:MortgageBackedSecuritiesOther


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.0018.1350.1110.0940.0770.280.180.0080.0080.1420.2281.1310.0620.0130.0810.6120.638
Percentage of EffectiveYieldAdjustmentSecuritiesMortgageBacked0.01214.211100.01566.76.73.00.80.10.11.11.56.00.40.10.53.43.3

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1.0430.7440.6050.420.008-0.523-0.725-0.923-0.3830.0820.2930.4910.8411.1220.8230.8081.26
Percentage of EffectiveYieldAdjustmentSecuritiesMortgageBacked0.0111.060500.07000.00.7-5.6-3.4-8.9-2.60.61.92.64.86.54.84.56.4

mfa:FairValueInputsAnnualChangeinHomePrices us-gaap:Range, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique

mfa:FairValueInputsAnnualChangeinHomePrices

srt:WeightedAverage, us-gaap:LoansReceivable, us-gaap:FairValueInputsLevel3, us-gaap:MeasurementInputPrepaymentRate, mfa:LiquidationModel


Fair
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value6.21.71.898-0.0230.02500.00200.035
Percentage of FairValueInputsAnnualChangeinHomePrices100.0100.0100.0100.0100.00.0100.00.0100.0

mfa:FairValueInputsAnnualChangeinHomePrices us-gaap:Range, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:ValuationTechnique

srt:Maximum, us-gaap:LoansReceivable, us-gaap:FairValueInputsLevel3, mfa:LiquidationModel


Fair
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value10.41.05.43100.0690.007-0.01-0.0030.0860.0040.006-0.010.122
Percentage of FairValueInputsAnnualChangeinHomePrices167.758.8286.1-0.0276.00.0-500.00.0245.70.00.00.00.0

srt:Minimum, us-gaap:LoansReceivable, us-gaap:FairValueInputsLevel3, mfa:LiquidationModel


Fair
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.20.3-0.26-0.035-0.005-0.0010.0160.00900.005-0.004-0.001-0.005
Percentage of FairValueInputsAnnualChangeinHomePrices67.717.6-13.7152.2-20.00.0800.00.00.00.00.00.00.0

mfa:FairValueInputsValueofUnderlyingProperty us-gaap:Range, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique

mfa:FairValueInputsValueofUnderlyingProperty

srt:WeightedAverage, us-gaap:LoansReceivable, us-gaap:FairValueInputsLevel3, us-gaap:MeasurementInputLossSeverity, mfa:LiquidationModel


Fair
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.744-0.0050.036-0.0110.709-0.004-0.001-0.0520.7410.035-0.062
Percentage of FairValueInputsValueofUnderlyingProperty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:FairValueInputsValueofUnderlyingProperty us-gaap:Range, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:ValuationTechnique

srt:Maximum, us-gaap:LoansReceivable, us-gaap:FairValueInputsLevel3, mfa:LiquidationModel


Fair
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3.7040.00.00.04.50.00.0-0.955.450.0-4.454.457.95
Percentage of FairValueInputsValueofUnderlyingProperty497.8-0.00.0-0.0634.7-0.0-0.01826.9735.50.07177.40.00.0

srt:Minimum, us-gaap:LoansReceivable, us-gaap:FairValueInputsLevel3, mfa:LiquidationModel


Fair
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0050.00.0070.00.0050.0060.00.0020.0020.00.001-0.0010.002
Percentage of FairValueInputsValueofUnderlyingProperty0.7-0.019.4-0.00.7-150.0-0.0-3.80.30.0-1.60.00.0

mfa:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOriginationsAndDraws us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

mfa:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOriginationsAndDraws

us-gaap:LoansReceivable, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-30
Value423000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOriginationsAndDraws100.0

mfa:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPrincipalPaydowns us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency

mfa:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPrincipalPaydowns

us-gaap:FairValueInputsLevel3, mfa:AgreementsWithMarkToMarketCollateralProvisions, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-09-302019-09-30
Value421236156156
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPrincipalPaydowns100.0100.0100.0100.0

us-gaap:FairValueInputsLevel3, mfa:AgreementsWithNonMarkToMarketCollateralProvisions, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-09-302019-09-30
Value245117312312
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPrincipalPaydowns58.349.7200.4200.4

mfa:FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetCollectionOfPrincipal us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

mfa:FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetCollectionOfPrincipal

us-gaap:LoansReceivable, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value382526212823393743314454544633171520171816147.1526.3942.176
Percentage of FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetCollectionOfPrincipal100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetValueRepurchases us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

mfa:FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetValueRepurchases

us-gaap:LoansReceivable, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-0.43-0.930.929180.3050.1210.00.8980.3180.1840.5610.8670.1941.7030.2570.450.3062.9090.00.00.0
Percentage of FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetValueRepurchases100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

mfa:FinancialInstrumentsOwnedMortgagesMortgagebackedandAssetbackedSecuritiesGrossRealizedLosses us-gaap:FinancialInstrument

mfa:FinancialInstrumentsOwnedMortgagesMortgagebackedandAssetbackedSecuritiesGrossRealizedLosses

mfa:TermNotesbackedbyMSRRelatedCollateral


Financial
Period End2021-03-312020-12-312020-09-302020-06-30
Value240.00.053
Percentage of FinancialInstrumentsOwnedMortgagesMortgagebackedandAssetbackedSecuritiesGrossRealizedLosses100.00.00.0100.0

mfa:FinancialInstrumentsOwnedMortgagesMortgagebackedandAssetbackedSecuritiesImpairment us-gaap:FinancialInstrument

mfa:FinancialInstrumentsOwnedMortgagesMortgagebackedandAssetbackedSecuritiesImpairment

mfa:TermNotesbackedbyMSRRelatedCollateral


Financial
Period End2021-03-312020-12-312020-03-31
Value2800.0280
Percentage of FinancialInstrumentsOwnedMortgagesMortgagebackedandAssetbackedSecuritiesImpairment100.00.0100.0

mfa:FinancialInstrumentsOwnedMortgagesMortgagebackedandAssetbackedSecuritiesWeightedAverageYield us-gaap:FinancialInstrument

mfa:FinancialInstrumentsOwnedMortgagesMortgagebackedandAssetbackedSecuritiesWeightedAverageYield

mfa:TermNotesbackedbyMSRRelatedCollateral


Financial
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.612.10.211.9710.08130.0474-0.0024-0.0018-0.00270.05440.0017-0.00410.00240.0532
Percentage of FinancialInstrumentsOwnedMortgagesMortgagebackedandAssetbackedSecuritiesWeightedAverageYield100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:FinancingReceivableAllowanceforCreditLossAdoptionofNewAccountingPrinciple

mfa:FinancingReceivableAllowanceforCreditLossAdoptionofNewAccountingPrinciple


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.04570
Percentage of FinancingReceivableAllowanceforCreditLossAdoptionofNewAccountingPrinciple0.00.0100.0100.0

mfa:FinancingReceivableGrossUpofAmortizedCostofPurchasedCreditDeterioratedLoans

mfa:FinancingReceivableGrossUpofAmortizedCostofPurchasedCreditDeterioratedLoans


Financing
Period End2020-12-312020-03-31
Value0.062
Percentage of FinancingReceivableGrossUpofAmortizedCostofPurchasedCreditDeterioratedLoans0.0100.0

mfa:FinancingReceivableOriginatedFiveorMoreYearsbeforeLatestFiscalYearGrossWriteOffs

mfa:FinancingReceivableOriginatedFiveorMoreYearsbeforeLatestFiscalYearGrossWriteOffs


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value108000.0214000.0320000.022000.0113000.0313000.0
Percentage of FinancingReceivableOriginatedFiveorMoreYearsbeforeLatestFiscalYearGrossWriteOffs100.0100.0100.0100.0100.0100.0

mfa:FinancingReceivableOriginatedFiveorMoreYearsbeforeLatestFiscalYearGrossWriteOffs us-gaap:FinancialInstrument

mfa:PurchasedCreditDeterioratedLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value108000.0214000.0320000.022000.0207000.0219000.0
Percentage of FinancingReceivableOriginatedFiveorMoreYearsbeforeLatestFiscalYearGrossWriteOffs100.0100.0100.0100.0183.270.0

mfa:FinancingReceivableOriginatedFiveorMoreYearsbeforeLatestFiscalYearNetWriteOffs

mfa:FinancingReceivableOriginatedFiveorMoreYearsbeforeLatestFiscalYearNetWriteOffs


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value108000.0214000.0320000.022000.0113000.0313000.0
Percentage of FinancingReceivableOriginatedFiveorMoreYearsbeforeLatestFiscalYearNetWriteOffs100.0100.0100.0100.0100.0100.0

mfa:FinancingReceivableOriginatedFiveorMoreYearsbeforeLatestFiscalYearNetWriteOffs us-gaap:FinancialInstrument

mfa:PurchasedCreditDeterioratedLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value108000.0214000.0320000.022000.0207000.0219000.0
Percentage of FinancingReceivableOriginatedFiveorMoreYearsbeforeLatestFiscalYearNetWriteOffs100.0100.0100.0100.0183.270.0

mfa:FinancingReceivableOriginatedInFiscalYearBeforeFiscalYearGrossWriteOffs

mfa:FinancingReceivableOriginatedInFiscalYearBeforeFiscalYearGrossWriteOffs


Financing
Period End2020-12-31
Value8000.0
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeFiscalYearGrossWriteOffs100.0

mfa:FinancingReceivableOriginatedInFiscalYearBeforeFiscalYearGrossWriteOffs us-gaap:FinancialInstrument

mfa:RehabilitationLoans


Financing
Period End2020-12-31
Value8000.0
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeFiscalYearGrossWriteOffs100.0

mfa:FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYearNetWriteOffs

mfa:FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYearNetWriteOffs


Financing
Period End2020-12-31
Value8000.0
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYearNetWriteOffs100.0

mfa:FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYearNetWriteOffs us-gaap:FinancialInstrument

mfa:RehabilitationLoans


Financing
Period End2020-12-31
Value8000.0
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYearNetWriteOffs100.0

mfa:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYearGrossWriteOffs

mfa:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYearGrossWriteOffs


Financing
Period End2021-06-302021-03-312020-12-31
Value211000.012000.00
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYearGrossWriteOffs100.0100.00.0

mfa:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYearGrossWriteOffs us-gaap:FinancialInstrument

mfa:RehabilitationLoans


Financing
Period End2021-06-302021-03-312020-12-31
Value174000.012000.00
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYearGrossWriteOffs82.5100.00.0

mfa:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYearNetWriteOffs

mfa:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYearNetWriteOffs


Financing
Period End2021-06-302021-03-312020-12-31
Value211000.012000.00
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYearNetWriteOffs100.0100.00.0

mfa:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYearNetWriteOffs us-gaap:FinancialInstrument

mfa:RehabilitationLoans


Financing
Period End2021-06-302021-03-312020-12-31
Value174000.012000.00
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYearNetWriteOffs82.5100.00.0

mfa:FinancingReceivableOriginatedTwoYearsbeforeLatestFiscalYearGrossWriteOffs

mfa:FinancingReceivableOriginatedTwoYearsbeforeLatestFiscalYearGrossWriteOffs


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value61000.0991000.0502000.0246000.0482000.0334000.0
Percentage of FinancingReceivableOriginatedTwoYearsbeforeLatestFiscalYearGrossWriteOffs100.0100.0100.0100.0100.0100.0

mfa:FinancingReceivableOriginatedTwoYearsbeforeLatestFiscalYearGrossWriteOffs us-gaap:FinancialInstrument

mfa:NonQMLoans


Financing
Period End2020-12-31
Value85000.0
Percentage of FinancingReceivableOriginatedTwoYearsbeforeLatestFiscalYearGrossWriteOffs16.9

mfa:RehabilitationLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value61000.0991000.0417000.0214000.0482000.0334000.0
Percentage of FinancingReceivableOriginatedTwoYearsbeforeLatestFiscalYearGrossWriteOffs100.0100.083.187.0100.0100.0

mfa:FinancingReceivableOriginatedTwoYearsbeforeLatestFiscalYearNetWriteOffs

mfa:FinancingReceivableOriginatedTwoYearsbeforeLatestFiscalYearNetWriteOffs


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value61000.0991000.0502000.0246000.0482000.0334000.0
Percentage of FinancingReceivableOriginatedTwoYearsbeforeLatestFiscalYearNetWriteOffs100.0100.0100.0100.0100.0100.0

mfa:FinancingReceivableOriginatedTwoYearsbeforeLatestFiscalYearNetWriteOffs us-gaap:FinancialInstrument

mfa:NonQMLoans


Financing
Period End2020-12-31
Value85000.0
Percentage of FinancingReceivableOriginatedTwoYearsbeforeLatestFiscalYearNetWriteOffs16.9

mfa:RehabilitationLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value61000.0991000.0417000.0214000.0482000.0334000.0
Percentage of FinancingReceivableOriginatedTwoYearsbeforeLatestFiscalYearNetWriteOffs100.0100.083.187.0100.0100.0

mfa:Gainrecordedontransferfromresidentialwholeloanstorealestateowned

mfa:Gainrecordedontransferfromresidentialwholeloanstorealestateowned


Gainrecordedontransferfromresidentialwholeloanstorealestateowned
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.0221.11.00000000000000040.8340.23.03.75.06.54.62.65.85.36.44.92.81.11.30.40.8451.30.4410.9960.110.3090.285
Percentage of Gainrecordedontransferfromresidentialwholeloanstorealestateowned100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:ImpairmentandOtherLossesOnSecuritiesAvailableforSaleAndOtherAssets

mfa:ImpairmentandOtherLossesOnSecuritiesAvailableforSaleAndOtherAssets


Impairmentand
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.1160.2215.0944190.00.0
Percentage of ImpairmentandOtherLossesOnSecuritiesAvailableforSaleAndOtherAssets100.0100.0100.0100.00.00.0

mfa:ImpairmentandOtherLossesOnSecuritiesAvailableforSaleAndOtherAssets us-gaap:FinancialInstrument

mfa:LoansinUnrealizedLossPosition


Impairmentand
Period End2020-09-302020-06-302020-03-31
Value0.0127-63.5
Percentage of ImpairmentandOtherLossesOnSecuritiesAvailableforSaleAndOtherAssets0.02493.1-15.1

mfa:InterestExpenseAssetBackedandCollateralizedFinancingAgreements

mfa:InterestExpenseAssetBackedandCollateralizedFinancingAgreements


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value212632508277767981
Percentage of InterestExpenseAssetBackedandCollateralizedFinancingAgreements100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:MortgageLoansonRealEstateGainLossonLoansatFairValue

mfa:MortgageLoansonRealEstateGainLossonLoansatFairValue


Mortgage
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value6.02149497620-52.76414051253134323841181613141814116.8994.9793.1632.5760.1160.00.00.0
Percentage of MortgageLoansonRealEstateGainLossonLoansatFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

mfa:NetIncomeLossAvailabletoCommonStockholdersBasicandParticipatingSecurities

mfa:NetIncomeLossAvailabletoCommonStockholdersBasicandParticipatingSecurities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value5877377888-914.2196918985578366
Percentage of NetIncomeLossAvailabletoCommonStockholdersBasicandParticipatingSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:NoncashChargeForUnamortizedDeferredExpenses us-gaap:SubsequentEventType

mfa:NoncashChargeForUnamortizedDeferredExpenses

us-gaap:SubsequentEvent


Noncash
Period End2021-01-06
Value3100000.0
Percentage of NoncashChargeForUnamortizedDeferredExpenses100.0

mfa:NoncashPayableforUnsettledLoanPurchases

mfa:NoncashPayableforUnsettledLoanPurchases


Noncash
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value19112-419.583419-59.524-27.463860.0200-557.02755413-124.006
Percentage of NoncashPayableforUnsettledLoanPurchases100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

mfa:NoninterestIncomeExcludingAmountsRelatedToMortgagebackedSecuritiesAndLinkedTransactions

mfa:NoninterestIncomeExcludingAmountsRelatedToMortgagebackedSecuritiesAndLinkedTransactions


Noninterest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-18.7080.2926.552-499.6232.0074.546-2.3211.293-39.432-2.9981.1340.34514-4.515144.5121.2818.1173.3191.085-0.831-0.259-0.6780.3110.5020.0540.056-0.4160.0540.0550.0550.0550.0080.0010.0010.00.822-0.5080.3870.381
Percentage of NoninterestIncomeExcludingAmountsRelatedToMortgagebackedSecuritiesAndLinkedTransactions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

mfa:NoninterestIncomeLossNet

mfa:NoninterestIncomeLossNet


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value2153317760-790.7635562
Percentage of NoninterestIncomeLossNet100.0100.0100.0100.0100.0100.0100.0100.0

mfa:OtherComprehensiveIncomeLossAmortizationofDeDesignatedHedgingInstrumentsafterReclassificationandTax

mfa:OtherComprehensiveIncomeLossAmortizationofDeDesignatedHedgingInstrumentsafterReclassificationandTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.07.176641.594-0.685-0.685-0.743-0.3410.00.00.00.0
Percentage of OtherComprehensiveIncomeLossAmortizationofDeDesignatedHedgingInstrumentsafterReclassificationandTax0.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

mfa:OtherComprehensiveIncomeLossAvailableforsaleSecuritiesAdjustmentExcludingCumulativeEffectNetofTaxPortionAttributabletoParent

mfa:OtherComprehensiveIncomeLossAvailableforsaleSecuritiesAdjustmentExcludingCumulativeEffectNetofTaxPortionAttributabletoParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-9.589-3.8551115-96.021-243.812-38.16-9.016175.094-87.651-43.733-25.934-46.163-39.628-7.947389.084-62.335796-56.099-118.499-55.402-91.10636-35.19-56.9998666
Percentage of OtherComprehensiveIncomeLossAvailableforsaleSecuritiesAdjustmentExcludingCumulativeEffectNetofTaxPortionAttributabletoParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:OtherComprehensiveIncomeLossChangeInFairValueOfFinancingAgreementsAtFairValue

mfa:OtherComprehensiveIncomeLossChangeInFairValueOfFinancingAgreementsAtFairValue


Other
Period End2021-06-302021-03-312020-12-312020-09-30
Value-0.491-0.235-20.33822
Percentage of OtherComprehensiveIncomeLossChangeInFairValueOfFinancingAgreementsAtFairValue100.0100.0100.0100.0

mfa:OtherComprehensiveIncomeLossChangeInFairValueOfFinancingAgreementsAtFairValue us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-30
Value-0.491-0.23522
Percentage of OtherComprehensiveIncomeLossChangeInFairValueOfFinancingAgreementsAtFairValue100.0100.0100.0

mfa:OtherNonCashLossesIncludedInNetIncome

mfa:OtherNonCashLossesIncludedInNetIncome


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value4.0025.212347.689
Percentage of OtherNonCashLossesIncludedInNetIncome100.0100.0100.0100.0

mfa:ParticipatingSecuritiesDistributedandUndistributedEarningsLossBasicandDiluted

mfa:ParticipatingSecuritiesDistributedandUndistributedEarningsLossBasicandDiluted


Participating
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
Value274000.0138000.0325000.0297000.00279000.0280000.0276000.0256000.0471000.0472000.0472000.0449000.0409000.0409000.0459000.0431000.0373000.0442000.0421000.0395000.0356000.0396000.0391000.0395000.0264000.0281000.0287000.0278000.0200000.0230000.0
Percentage of ParticipatingSecuritiesDistributedandUndistributedEarningsLossBasicandDiluted100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:PaymentsForFeesRelatedToRepurchaseOfShares

mfa:PaymentsForFeesRelatedToRepurchaseOfShares


Payments
Period End2021-06-302021-03-31
Value57000.059000.0
Percentage of PaymentsForFeesRelatedToRepurchaseOfShares100.0100.0

mfa:PaymentsMadeForMarginCallsOnRepurchaseAgreementsAndDerivatives

mfa:PaymentsMadeForMarginCallsOnRepurchaseAgreementsAndDerivatives


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.00.088-7.5930.4912521207.5692210-5.089101524-1.665-2.3726311768505098962458298.5610.0030.00.00.00.81.59102.665.150.650.293.302172259
Percentage of PaymentsMadeForMarginCallsOnRepurchaseAgreementsAndDerivatives0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:PaymentsMadeforSecuritizationRelatedCost

mfa:PaymentsMadeforSecuritizationRelatedCost


Payments
Period End2021-06-302021-03-312019-12-312019-09-302018-12-312018-09-30
Value3748000.01371000.00025000.01516000.0
Percentage of PaymentsMadeforSecuritizationRelatedCost100.0100.00.00.0100.0100.0

mfa:PrincipalPaymentOnRedemptionOfSeniorNotes

mfa:PrincipalPaymentOnRedemptionOfSeniorNotes


Principal
Period End2021-06-302021-03-31
Value0.0100
Percentage of PrincipalPaymentOnRedemptionOfSeniorNotes0.0100.0

mfa:PrincipalPaymentsOnFinancingAgreementsWithNonMarkToMarketCollateralProvisions

mfa:PrincipalPaymentsOnFinancingAgreementsWithNonMarkToMarketCollateralProvisions


Principal
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value55152114202551937
Percentage of PrincipalPaymentsOnFinancingAgreementsWithNonMarkToMarketCollateralProvisions100.0100.0100.0100.0100.0100.0

mfa:PrincipalPaymentsonSecuritiesSoldunderAgreementstoRepurchaseandOtherAdvances

mfa:PrincipalPaymentsonSecuritiesSoldunderAgreementstoRepurchaseandOtherAdvances


Principal
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-123.496821409379811712903133591603519188188791807516933154451660915444175301907420513200312215320446197761604223826288172332513372
Percentage of PrincipalPaymentsonSecuritiesSoldunderAgreementstoRepurchaseandOtherAdvances100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:ProceedsFromBorrowingsOnFinancingAgreementsWithNonMarkToMarketCollateralProvisions

mfa:ProceedsFromBorrowingsOnFinancingAgreementsWithNonMarkToMarketCollateralProvisions


Proceeds
Period End2021-06-302021-03-31
Value805437
Percentage of ProceedsFromBorrowingsOnFinancingAgreementsWithNonMarkToMarketCollateralProvisions100.0100.0

mfa:ProceedsFromRealEstateOwned

mfa:ProceedsFromRealEstateOwned


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value385076906152262532232735381923212010125.79.9766.1570.1771.8451.4460.581
Percentage of ProceedsFromRealEstateOwned100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:ProceedsFromSaleofResidentialWholeLoans

mfa:ProceedsFromSaleofResidentialWholeLoans


Proceeds
Period End2020-12-312020-09-30
Value-10.15815
Percentage of ProceedsFromSaleofResidentialWholeLoans100.0100.0

mfa:ProceedsFromSeniorBondsSoldwithStepUpFeature us-gaap:DebtInstrument, us-gaap:FinancialInstrument

mfa:ProceedsFromSeniorBondsSoldwithStepUpFeature

us-gaap:SeniorNotes, us-gaap:AssetBackedSecuritiesSecuritizedLoansAndReceivables


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-59.9505-175.2292-7.9459-28.6280.0493
Percentage of ProceedsFromSeniorBondsSoldwithStepUpFeature100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

mfa:ProceedsfromSecuritiesSoldunderAgreementstoRepurchaseWithMarktoMarketCollateralProvisions

mfa:ProceedsfromSecuritiesSoldunderAgreementstoRepurchaseWithMarktoMarketCollateralProvisions


Proceedsfrom
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value576632582121320122161392815976
Percentage of ProceedsfromSecuritiesSoldunderAgreementstoRepurchaseWithMarktoMarketCollateralProvisions100.0100.0100.0100.0100.0100.0100.0100.0

mfa:ProceedsfromSecuritiesSoldunderAgreementstoRepurchaseWithNonMarktoMarketCollateralProvisions

mfa:ProceedsfromSecuritiesSoldunderAgreementstoRepurchaseWithNonMarktoMarketCollateralProvisions


Proceedsfrom
Period End2020-12-312020-09-30
Value17660.0
Percentage of ProceedsfromSecuritiesSoldunderAgreementstoRepurchaseWithNonMarktoMarketCollateralProvisions100.00.0

mfa:ProceedsfromSeniorCreditAgreements

mfa:ProceedsfromSeniorCreditAgreements


Proceedsfrom
Period End2020-09-30
Value0.0
Percentage of ProceedsfromSeniorCreditAgreements0.0

mfa:ProvisionforCreditandValuationLossesonResidentialWholeLoansAndOtherFinancialInstrumentsAtCarryingValue

mfa:ProvisionforCreditandValuationLossesonResidentialWholeLoansAndOtherFinancialInstrumentsAtCarryingValue


Provisionfor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-9.267-23.967-15.969-27.244-85.377150
Percentage of ProvisionforCreditandValuationLossesonResidentialWholeLoansAndOtherFinancialInstrumentsAtCarryingValue100.0100.0100.0100.0100.0100.0

mfa:PurchaseofRealEstateOwnedandCapitalImprovements

mfa:PurchaseofRealEstateOwnedandCapitalImprovements


Purchaseof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.4070.2170.8640.5363.1925.6064.4395.114.6385.923
Percentage of PurchaseofRealEstateOwnedandCapitalImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:RatioLoanToValue

mfa:RatioLoanToValue


Ratio
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value080.079.200.8000.8
Percentage of RatioLoanToValue0.0100.0100.00.0100.00.00.0100.0

mfa:RatioLoanToValue us-gaap:FinancialInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

mfa:CertainRehabilitationLoans, mfa:SettledWholeLoans


Ratio
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.068.0067.3200.6800.010.010.67
Percentage of RatioLoanToValue0.085.00.085.00.085.00.00.00.083.8

mfa:CreditImpairedLoans, mfa:SettledWholeLoans


Ratio
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-4.075.0-3.078.21-0.010.8-0.02-0.0200.85
Percentage of RatioLoanToValue0.093.80.098.70.0100.00.00.00.0106.2

mfa:NonQMLoans, mfa:SettledWholeLoans


Ratio
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1.064.0063.36-0.020.660.01000.66
Percentage of RatioLoanToValue0.080.00.080.00.082.50.00.00.082.5

mfa:RehabilitationLoans, mfa:SettledWholeLoans


Ratio
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.064.0062.37-0.010.64-0.01000.65
Percentage of RatioLoanToValue0.080.00.078.80.080.00.00.00.081.2

mfa:SeasonedPerformingLoans, mfa:SettledWholeLoans


Ratio
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value039.0-1.040.5800.42-0.01000.47
Percentage of RatioLoanToValue0.048.80.051.20.052.50.00.00.058.8

mfa:SingleFamilyRentalLoans, mfa:SettledWholeLoans


Ratio
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1.070.0069.300.70.01000.69
Percentage of RatioLoanToValue0.087.50.087.50.087.50.00.00.086.2

mfa:RatioLoanToValue us-gaap:FinancingReceivablesPeriodPastDue

mfa:FinancingReceivables60OrMoreDaysPastDue


Ratio
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value70.56-1.5182.796-0.02630.85060.0246-0.03590.00620.79990.0524
Percentage of RatioLoanToValue88.20.0104.50.0106.30.00.00.0100.00.0

mfa:FinancingReceivablesLessThan60DaysPastDue


Ratio
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value69.46-1.7673.584-0.00630.7527-0.00390.00040.00950.76090.0001
Percentage of RatioLoanToValue86.80.092.90.094.10.00.00.095.10.0

us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDue


Ratio
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value82.56-1.0486.939-0.00060.88120.1143-0.10540.00240.88560.0076
Percentage of RatioLoanToValue103.20.0109.80.0110.20.00.00.0110.70.0

mfa:RealEstateInvestmentsAdditions

mfa:RealEstateInvestmentsAdditions


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0.4060.2170.8640.5363.1925.6064.4395.1085.2745.9233.1884.8972.6042.6782.577151.1090.7740.6210.415
Percentage of RealEstateInvestmentsAdditions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:RealEstateInvestmentsDisposals

mfa:RealEstateInvestmentsDisposals


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value344871656751272026252627372323172011127.1639.3785.6482.5821.7161.6510.607
Percentage of RealEstateInvestmentsDisposals100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:ResidentialWholeLoansFairValueNetIncomeLossCouponPaymentsRealizedGainsAndOtherIncomeReceived

mfa:ResidentialWholeLoansFairValueNetIncomeLossCouponPaymentsRealizedGainsAndOtherIncomeReceived


Residential
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value-0.20516172.91922
Percentage of ResidentialWholeLoansFairValueNetIncomeLossCouponPaymentsRealizedGainsAndOtherIncomeReceived100.0100.0100.0100.0100.0100.0

mfa:ResidentialWholeLoansFairValueNetIncomeLossGainLossonTransferstoREO

mfa:ResidentialWholeLoansFairValueNetIncomeLossGainLossonTransferstoREO


Residential
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1.0450.8790.5310.1392.763.4064.7886.2784.5712.4345.6154.7986.4464.9572.111.221.7840.2440.9381.2720.467
Percentage of ResidentialWholeLoansFairValueNetIncomeLossGainLossonTransferstoREO100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:ResidentialWholeLoansFairValueNetIncomeLossUnrealizedGainsLossesNet

mfa:ResidentialWholeLoansFairValueNetIncomeLossUnrealizedGainsLossesNet


Residential
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value6.2263230582.01-74.556141321-1.069.9378.4424.59913215.2894.2622.9485.725108.396.2262.6682.3621.1650.345
Percentage of ResidentialWholeLoansFairValueNetIncomeLossUnrealizedGainsLossesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:ResidentialWholeLoansGainLoss

mfa:ResidentialWholeLoansGainLoss


Residential
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value5.5253536-6.294-55.928-217.921861
Percentage of ResidentialWholeLoansGainLoss100.0100.0100.0100.0100.0100.0100.0100.0

mfa:ReversalProvisionForCreditAndValuationLossesOnResidentialWholeLoansAndOtherFinancialInstruments

mfa:ReversalProvisionForCreditAndValuationLossesOnResidentialWholeLoansAndOtherFinancialInstruments


Reversal
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-8.867-22.75-15.709-27.244-85.3771501.0320.3470.3850.805
Percentage of ReversalProvisionForCreditAndValuationLossesOnResidentialWholeLoansAndOtherFinancialInstruments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:ShareBasedCompensationArrangementByShareBasedPaymentAwardDividendEquivalentRightsPayment us-gaap:AwardType

mfa:ShareBasedCompensationArrangementByShareBasedPaymentAwardDividendEquivalentRightsPayment

mfa:DividendEquivalentRights


Share
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value120000.0137000.00276000.000256000.0000000002000.02000.01600000.01000.05000.05000.05000.0191000.0195000.0193000.0169000.0200000.0645000.0922000.0313000.0300000.0357000.0378000.0447000.0400000.0418000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardDividendEquivalentRightsPayment100.0100.00.0100.00.00.0100.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:UnrealizedLossesGainsonSecuritiesHeldAtFairValueandSwapsNotDesignatedasHedges

mfa:UnrealizedLossesGainsonSecuritiesHeldAtFairValueandSwapsNotDesignatedasHedges


Unrealized
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-27.6674124-82.464-2.2911.485-1.163-0.2-40.467-3.359-1.4282.0215
Percentage of UnrealizedLossesGainsonSecuritiesHeldAtFairValueandSwapsNotDesignatedasHedges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:WarrantsRepurchasedRate

mfa:WarrantsRepurchasedRate


Warrants
Period End2020-12-31
Value48.0
Percentage of WarrantsRepurchasedRate100.0

mfa:WeightedAverageCostOfBondsSold us-gaap:FinancialInstrument, us-gaap:SubsequentEventType

mfa:WeightedAverageCostOfBondsSold

mfa:NonQMLoans, us-gaap:SubsequentEvent


Weighted
Period End2021-05-06
Value1.37
Percentage of WeightedAverageCostOfBondsSold100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:CommonStock


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-30
Value0799000.00002700000.01500000.0002600000.01400000.0002000000.0800000.01300000.003900000.02100000.0100000.0100000.01300000.01835000.0296000.082000.087000.0241000.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation0.0100.00.00.00.0100.0100.00.00.0100.0100.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalOther

us-gaap:AdjustmentsToAdditionalPaidInCapitalOther


Adjustments
Period End2021-06-302021-03-312020-09-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-288000.0489000.0-81000.01059000.0-260000.0-260000.0435000.0-230000.0-230000.0-230000.0430000.0-204000.0-205000.0-204000.0429000.0-167000.0-173000.0-172000.0-173000.0-112000.0-113000.0-112000.0-113000.0-54000.0-55000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalOther us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-227000.0489000.0-81000.01059000.0-260000.0-260000.0435000.0-230000.0-230000.0-230000.0430000.0-204000.0-205000.0-204000.0429000.0-167000.0-173000.0-172000.0-173000.0-112000.0-113000.0-112000.0-113000.0-54000.0-55000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalOther78.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings


Adjustments
Period End2021-06-302015-09-302015-06-302015-03-312014-09-30
Value-61000.00000
Percentage of AdjustmentsToAdditionalPaidInCapitalOther21.2-0.0-0.0-0.0-0.0

us-gaap:CommonStockDividendsPerShareDeclared us-gaap:StatementClassOfStock

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:SeriesCPreferredStock


Common
Period End2021-06-15
Value0.1
Percentage of CommonStockDividendsPerShareDeclared100.0

us-gaap:CommonStockDividendsPerShareDeclared us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Common
Period End2020-08-06
Value0.05
Percentage of CommonStockDividendsPerShareDeclared0.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:SubsequentEventType

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

us-gaap:SubsequentEvent


Debt
Period End2021-02-23
Value150.0
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossWriteoff us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossWriteoff

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.00.03320.00.0
Percentage of DebtSecuritiesAvailableForSaleAllowanceForCreditLossWriteoff0.00.00.0100.00.00.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.04849-238.3811177.712428167.4298.8179.047145.8899.708
Percentage of DebtSecuritiesAvailableForSaleRealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesGainLoss

us-gaap:DebtSecuritiesGainLoss


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.3760.12.946-13.384177-92.58911177.712428167.4298.8179.04714
Percentage of DebtSecuritiesGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairment us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:DebtSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairment

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterest


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-0.06-144.736-23.953-8.23-14.499-6.371-17.009-26.0-9.455-5.178-8.623-8.424-14.935-5.656
Percentage of DebtSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation

us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense

us-gaap:DeferredCompensationShareBasedPayments


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value314000.0131000.0572000.075000.0347000.0-1906000.0204000.0134000.039000.0286000.0-165000.0-22000.071000.0-49000.0-168000.0125000.0100000.0114000.058000.052000.072000.049000.0-8000.0-35000.0-8000.0-8000.017000.0-11000.027000.036000.0-5000.0-30000.0052000.0-7000.033000.017000.026000.012000.0-21000.01000.02000.036000.020000.013000.0
Percentage of DeferredCompensationArrangementWithIndividualCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense us-gaap:TitleOfIndividual, us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation

srt:Director, us-gaap:DeferredCompensationShareBasedPayments


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value314000.0131000.0572000.075000.0347000.0-1906000.0204000.0134000.039000.0286000.0-165000.0-22000.071000.0
Percentage of DeferredCompensationArrangementWithIndividualCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationArrangementWithIndividualContributionsByEmployer us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation

us-gaap:DeferredCompensationArrangementWithIndividualContributionsByEmployer

mfa:SavingsPlan


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value125000.0125000.0120000.0120000.0120000.0120000.0180500.094000.0125000.0104000.089000.089000.090000.0104000.0100000.088000.088000.088000.0100000.086000.086000.0
Percentage of DeferredCompensationArrangementWithIndividualContributionsByEmployer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLoss us-gaap:FinancialInstrument, us-gaap:HedgingDesignation

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLoss

us-gaap:Swap, us-gaap:Nondesignated


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.00.09.40.03.76.37.8
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLoss0.00.00.0100.00.0100.0100.0100.0

us-gaap:DerivativeLossOnDerivative us-gaap:DerivativeInstrumentRisk, us-gaap:Position

us-gaap:DerivativeLossOnDerivative

mfa:TBASecurities, us-gaap:Short


Derivative
Period End2021-06-30
Value1.1
Percentage of DerivativeLossOnDerivative100.0

us-gaap:DerivativeLossOnDerivative us-gaap:FinancialInstrument, us-gaap:HedgingDesignation

us-gaap:Swap, us-gaap:Nondesignated


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.00.00.04.3-0.89297.48.95.24.00.353
Percentage of DerivativeLossOnDerivative0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DividendsCommonStock

us-gaap:DividendsCommonStock


Dividends
Period End2021-06-302021-03-312020-09-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302012-09-302012-06-302012-03-312011-03-31
Value44332290909089897979797979747474747474747474747375828583
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-09-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302012-12-312012-09-302012-06-302012-03-312011-03-31
Value4433229090908989797979797974747474747474747474737175828583
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStock

us-gaap:DividendsPreferredStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value8.2198.2198.2188.2198.1445.2153.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.754.212.042.042.042.042.042.042.042.042.042.042.042.04
Percentage of DividendsPreferredStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStock us-gaap:StatementClassOfStock

us-gaap:SeriesBPreferredStock


Dividends
Period End2021-06-302021-03-312020-09-30
Value3.753.7511
Percentage of DividendsPreferredStock45.645.6136.9

us-gaap:SeriesCPreferredStock


Dividends
Period End2021-06-302021-03-312020-09-30
Value4.4694.46810
Percentage of DividendsPreferredStock54.454.4125.7

us-gaap:DividendsPreferredStock us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:SeriesBPreferredStock, us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-09-30
Value3.753.7511
Percentage of DividendsPreferredStock45.645.6136.9

us-gaap:SeriesCPreferredStock, us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-09-30
Value4.4694.46810
Percentage of DividendsPreferredStock54.454.4125.7

us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment mfa:OtherAssets

us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment

mfa:LoanOriginators


Equity
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.10.07.158
Percentage of EquityMethodInvestmentOtherThanTemporaryImpairment100.00.0100.0100.0

us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss

us-gaap:FairValueInputsLevel3, mfa:AgreementsWithNonMarkToMarketCollateralProvisions, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312019-09-30
Value-491000.0-235000.03448000.0
Percentage of FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1 us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1

us-gaap:LoansReceivable, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value6.2263230582.01-74.556141321-1.069.9378.4424.59913215.2894.2622.9485.725108.396.2262.3621.1650.602
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases

us-gaap:LoansReceivable, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value8374.6793.527.384925.299130106766.1753113882844.8315.333146506653357474.725
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet

us-gaap:LoansReceivable, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value1015177.532.6674253535655485142473233242721222121-4.792-3.1173.163
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues

us-gaap:FairValueInputsLevel3, mfa:AgreementsWithMarkToMarketCollateralProvisions, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-31
Value29991
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery

us-gaap:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value400000.01217000.0830000.0281000.0627000.0647000.0
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery us-gaap:FinancialInstrument

mfa:NonQMLoans


Financing
Period End2020-12-31
Value85000.0
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery10.2

mfa:PurchasedCreditDeterioratedLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value108000.0214000.0320000.022000.0207000.0219000.0
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery27.017.638.67.833.033.8

mfa:RehabilitationLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value255000.01003000.0425000.0227000.0420000.0428000.0
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery63.882.451.280.867.066.2

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value400000.01217000.0830000.0281000.0627000.0647000.0277000.062000.050000.0512000.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:FinancialInstrument

mfa:NonQMLoans


Financing
Period End2020-12-31
Value85000.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs10.2

mfa:PurchasedCreditDeterioratedLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value108000.0214000.0320000.022000.0207000.0219000.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs27.017.638.67.833.033.8

mfa:RehabilitationLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value255000.01003000.0425000.0227000.0420000.0428000.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs63.882.451.280.867.066.2

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

mfa:NonQMLoans


Financing
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value37000.086000.032000.00000
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs9.210.411.40.00.00.00.0

mfa:PurchasedCreditDeterioratedLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value108000.0214000.0319000.022000.0207000.0219000.000
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs27.017.638.47.833.033.80.00.0

mfa:RehabilitationLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value255000.01003000.0425000.0227000.0420000.0428000.0277000.062000.050000.0512000.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs63.882.451.280.867.066.2100.0100.0100.0100.0

us-gaap:FinancingReceivableSignificantSales us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableSignificantSales

mfa:NonQMLoans


Financing
Period End2021-03-312020-12-312020-09-302020-06-30
Value6590.00.0955
Percentage of FinancingReceivableSignificantSales100.00.00.0100.0

us-gaap:GainLossOnDerivativeInstrumentsNetPretax

us-gaap:GainLossOnDerivativeInstrumentsNetPretax


Gain
Period End2020-12-312020-09-302020-06-302019-06-30
Value0-7177000.0-49857000.00
Percentage of GainLossOnDerivativeInstrumentsNetPretax0.0100.0100.00.0

us-gaap:GainLossOnSaleOfDerivatives

us-gaap:GainLossOnSaleOfDerivatives


Gain
Period End2020-12-312020-09-30
Value0-7177000.0
Percentage of GainLossOnSaleOfDerivatives0.0100.0

us-gaap:GainLossOnSaleOfNotesReceivable us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:GainLossOnSaleOfNotesReceivable

mfa:NonQMLoans


Gain
Period End2021-03-312020-12-312020-09-302020-06-30
Value-145.80.00.0-127.2
Percentage of GainLossOnSaleOfNotesReceivable100.00.00.0100.0

us-gaap:GainLossOnSalesOfMortgageBackedSecuritiesMBS

us-gaap:GainLossOnSalesOfMortgageBackedSecuritiesMBS


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302012-12-312012-09-302012-03-312011-12-312011-09-302010-12-312010-03-31
Value0.00.048129-67.99511177.712428167.4291.7694.2792.9532.5344.1960.033
Percentage of GainLossOnSalesOfMortgageBackedSecuritiesMBS0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:GainLossOnSalesOfMortgageBackedSecuritiesMBS us-gaap:FinancialInstrument

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.00.048151-43.1248.94148.82318243.40.08.89.1145.9
Percentage of GainLossOnSalesOfMortgageBackedSecuritiesMBS0.0100.0116.563.474.781.6114.474.085.520.70.00.00.00.00.0

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.00.03.563-22.8540.02.771-2.2720.0100.0-3.8
Percentage of GainLossOnSalesOfMortgageBackedSecuritiesMBS0.00.02.733.60.015.6-29.50.037.00.0-51.2

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.00.0-24.992-2.0173.0350.4931.1596.57.21311
Percentage of GainLossOnSalesOfMortgageBackedSecuritiesMBS0.00.0-19.33.025.32.815.026.425.179.2150.8

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate


Gains
Period End2021-06-302020-06-30
Value5125000.0-4199000.0
Percentage of GainsLossesOnSalesOfInvestmentRealEstate100.0100.0

us-gaap:GainsLossesOnSalesOfOtherRealEstate

us-gaap:GainsLossesOnSalesOfOtherRealEstate


Gains
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value3.92.25.13.93.03.1071.6552.12.31.41.1152.02.71.9931.70.8051.20.8751.4290.7330.5980.5090.1780.1290.204-0.026
Percentage of GainsLossesOnSalesOfOtherRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-20.0311.939-39.47121-59.895379.615-2.331188.77-4.5317.9571.051221.7424.7874.281-5.24164-25.871676.259-16.9292.2458.02312-7.143.8896.2919.6440.403-6.9428.04.0882.425101.593-1.844-0.83-2.9052.3270.6250.456-0.7270.1160.664
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6.864.975-33.8848.872-16.138-9.6536.7977.0411-6.709-0.001102.137-12.2284.4350.4121.732-12.3922.082-18.16612-3.7982.63.5244.666-5.365-1.867-5.2492.56-3.745-7.2279.1174.419-2.6993.4762.6761.554-3.886-0.669-6.38410-4.5741.2082.341.743-7.676
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToCallOptionsAndWarrants

us-gaap:IncrementalCommonSharesAttributableToCallOptionsAndWarrants


Incremental
Period End2020-09-302020-06-302019-06-30
Value110.3750.0
Percentage of IncrementalCommonSharesAttributableToCallOptionsAndWarrants100.0100.00.0

us-gaap:IncrementalCommonSharesAttributableToConversionOfDebtSecurities

us-gaap:IncrementalCommonSharesAttributableToConversionOfDebtSecurities


Incremental
Period End2021-06-302021-03-312020-09-302020-06-302019-12-312019-09-302019-06-30
Value0.02828284.085288.898
Percentage of IncrementalCommonSharesAttributableToConversionOfDebtSecurities0.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-30
Value1730000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestAndDividendIncomeOperating


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8461606687145153142144140132117101103100105110117112112114117118119123129111110118121121118120122124125125123123130132109979788107
Percentage of InterestAndDividendIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndFeeIncomeLoansCommercialAndResidentialRealEstate

us-gaap:InterestAndFeeIncomeLoansCommercialAndResidentialRealEstate


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value69455154698372645749392917149.9689.0268.58.77.8045.95.7584.4964.2194.0334.1933.5912.2341.1970.00.0
Percentage of InterestAndFeeIncomeLoansCommercialAndResidentialRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:InterestIncomeDepositsWithFinancialInstitutions

us-gaap:InterestIncomeDepositsWithFinancialInstitutions


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value59000.054000.030000.0100000.060000.0486000.0690000.0903000.01036000.0764000.0588000.0754000.0685000.0909000.01395000.01452000.01047000.0355000.0243000.0221000.0170000.0140000.042000.032000.029000.027000.026000.020000.017000.026000.031000.021000.036000.036000.043000.038000.027000.019000.030000.025000.027000.054000.099000.0121000.0112000.053000.0
Percentage of InterestIncomeDepositsWithFinancialInstitutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value6754353784-89.12669565961
Percentage of InterestIncomeExpenseAfterProvisionForLoanLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeOther

us-gaap:InterestIncomeOther


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value5.7686.2419.74114141512108.1716.4076.2197.6236.9977.1941.9571.6992.10.00.00.0
Percentage of InterestIncomeOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:InterestIncomeSecuritiesMortgageBacked

us-gaap:InterestIncomeSecuritiesMortgageBacked


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value15162.4592.3294.97558626072
Percentage of InterestIncomeSecuritiesMortgageBacked100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeSecuritiesMortgageBacked us-gaap:FinancialInstrument

mfa:LegacyNonAgencyMBS


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.00.6840.0420.0482.05264031373741464546464852
Percentage of InterestIncomeSecuritiesMortgageBacked0.04.21.72.141.245.664.451.751.60.00.00.00.00.00.00.00.0

mfa:MSRRelatedAssets


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value135.6235.7686.2419.74114141512108.1716.4076.2197.6236.9977.1945.905
Percentage of InterestIncomeSecuritiesMortgageBacked87.034.2234.6268.0195.824.322.925.217.00.00.00.00.00.00.00.00.0

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.00.0-0.018.8611011151819141315151516
Percentage of InterestIncomeSecuritiesMortgageBacked0.00.0-0.215.116.519.521.10.00.00.00.00.00.00.00.0

us-gaap:MortgageBackedSecuritiesOther


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.0228.4870.8650.9051.3055.8638.96113141615129.6510111418
Percentage of InterestIncomeSecuritiesMortgageBacked0.151.635.238.926.210.014.321.820.20.00.00.00.00.00.00.00.0

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1.9661.6651.5521.3761.632.9623.0384.2515.0946.27.4377.7488.6959.4968.8178.6767.846
Percentage of InterestIncomeSecuritiesMortgageBacked12.810.163.159.132.85.14.87.07.00.00.00.00.00.00.00.00.0

us-gaap:InterestOnConvertibleDebtNetOfTax

us-gaap:InterestOnConvertibleDebtNetOfTax


Interest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value3914000.03909000.03898000.03893000.003880000.03879000.01206000.00000
Percentage of InterestOnConvertibleDebtNetOfTax100.0100.0100.0100.00.0100.0100.0100.00.00.00.00.0

us-gaap:InvestmentIncomeAmortizationOfDiscount us-gaap:FinancialInstrument, us-gaap:InvestmentSecondaryCategorization

us-gaap:InvestmentIncomeAmortizationOfDiscount

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises, mfa:AccretableDiscount


Investment
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.0070.9329.8891310141315201717171820
Percentage of InvestmentIncomeAmortizationOfDiscount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense

us-gaap:LaborAndRelatedExpense


Labor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8.8868.4371.908118.5788.8997.927.927.8418.5547.7696.8687.0386.7485.415107.5737.7937.7747.0787.0227.4076.5346.4826.5316.7467.2035.975.9016.5074.4775.2945.2845.2735.3375.9845.1565.6123.3685.4774.9915.1233.5654.1064.0534.368
Percentage of LaborAndRelatedExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost us-gaap:PropertyPlantAndEquipmentByType

us-gaap:LeaseCost

mfa:CorporateHeadquarters


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-09-302019-06-30
Value1000000.0767000.0800000.0739000.0734000.0638000.0644000.0
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0

us-gaap:LossOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurring

us-gaap:LossOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurring


Loss
Period End2020-09-30
Value7200000.0
Percentage of LossOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurring100.0

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-9.589-3.85515-96.021-243.812-9.016175.094-87.651-43.733-25.934-46.163-39.628-7.947389.084-62.335796-56.099-118.499-55.402-91.10632-35.19-56.99986663516-242.01611860468-16.947257-139.092-97.793
Percentage of OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-9.589-3.85515-96.021-243.812-9.016175.094-87.651-43.733-25.934-46.163-39.628-7.947389.084-62.335796-56.099-118.499-55.402-91.10632-35.19-56.99986663516-242.01611860468-16.947257
Percentage of OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-9.098-3.6232-7.574874-22.7085.254.30211-78.821-28.888
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax us-gaap:StatementEquityComponents

mfa:AOCIAccumulatedGainLossFinancingAgreements


Other
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.4910.23520-22.652
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax-5.4-6.563.5299.2

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.0-0.0010.0-50.1277.042-0.233-19.706-10.445-18.4295.397.91519185.791-1.017
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax0.00.00.0-67.5-31.0-4.4-458.1-89.623.4-18.70.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-9.589-3.855111548124-29.755.4832422-60.392-34.278-20.756-37.54-31.2046.9884519-52.20364105-45.614-107.706-44.039-82.94539-21.422-43.4193693731-238.76211964471
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax105.4106.536.5-199.2100.0167.5131.0104.4558.1189.676.6118.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value7.17664-48.533-0.918-20.449-10.786-18.4295.397.91519185.791
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value7.17664-48.533-0.918-20.449-10.786-18.4295.397.91519185.791
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Other
Period End2020-09-302020-06-30
Value7.17664
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax us-gaap:FinancialInstrument, us-gaap:HedgingDesignation

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:Swap, us-gaap:DesignatedAsHedgingInstrument


Other
Period End2020-12-31
Value-7100000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-9.098-3.6232-0.454-31.989-292.345-31.803-9.934-2.812-5.692-106.08-38.343-18.019-26.494-21.002-2.15637200.1517983-105.441-82.443-96.286-64.2484.375-63.081-33.499585472-3.242-223.46813075480-4.667269-118.627-108.048-121.74235
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

mfa:AOCIAccumulatedGainLossFinancingAgreements


Other
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.4910.23520-22.652
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent-5.4-6.563.54989.4

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.07.17664-48.5336.357-0.918-20.449-10.786-18.4295.397.91519185.791-1.017
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent0.0-1580.6-200.216.6-20.09.2727.2189.517.4-14.1-43.9-74.2-88.7-268.6-2.7

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value-9.589-3.8551115-96.021-243.812-38.16-9.016175.094-87.651-43.733-25.934-46.163-39.628-7.947389.084-62.335796-56.099-118.499-55.402-91.10636-56.999866616-242.016118468-16.947
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent105.4106.536.5-3308.8300.283.4120.090.8-627.2-89.582.6114.1143.9174.2188.7368.6102.743.3-41278.171.5115.953.2143.757.5141.8839.8170.2147.0121.7-514.9108.390.697.6363.1

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value0.00.06144238.23146.37117269.4555.1788.6238.424145.6569.971106.8298.6881010117.8636.42313136.7482.952.435153.2541.361.9643.13
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesNetOfTax


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302012-12-312012-09-30
Value-688.5380.0-344.2690.180.00.00.01.2590.00.00.00.0320.00.6180.4140.00.4850.00.01.410.0-0.298-0.4070.00.00.00.00.0-2.40.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesNetOfTax100.00.0100.0100.00.00.00.0100.00.00.00.0100.00.0100.0100.00.0100.00.00.0100.00.0100.0100.00.00.00.00.00.0100.00.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312011-03-312010-03-31
Value-9.589-3.855111548124-29.755.48324229.36338
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax us-gaap:FinancialInstrument

mfa:MSRRelatedAssets


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.5429.08440-5.166-0.2182.0242.8550.512-1.0480.00.00.236
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax38.860.283.1-4.20.736.911.92.30.00.00.00.0

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value7.1545.9988.644124-28.8932.8567.59812-69.196-25.101-11.115-27.724-15.0921056
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax61.239.817.7100.297.152.131.655.50.00.00.00.00.00.00.0

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-9.589-3.8550.00.0-0.3944.876-0.6390.603139.3159.616-9.177-9.641-10.052-16.917-3.032-11.157
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.00.00.0-0.83.92.111.056.542.10.00.00.00.00.00.00.0

us-gaap:OtherCostAndExpenseOperating

us-gaap:OtherCostAndExpenseOperating


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value6.07.299118.9928.3371112109.93811108.7587.9286.8837.4836.1774.1994.4094.1074.1672.9643.1343.6782.9751.7322.2561.8330.6090.0610.00.00.00.0
Percentage of OtherCostAndExpenseOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:OtherGeneralAndAdministrativeExpense

us-gaap:OtherGeneralAndAdministrativeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7.8876.7927.016.6117.6524.5754.8125.0225.9344.6454.0844.1555.5823.8323.94.0815.7544.2253.8233.7094.8813.9184.0793.5384.6783.4573.7033.8314.5463.9643.1863.4343.5613.182.8012.6663.212.8033.2693.0312.7892.1612.5762.0032.1391.853
Percentage of OtherGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingIncome

us-gaap:OtherOperatingIncome


Other
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value108000.0761000.03017000.03165000.02907000.02880000.01679000.01287000.01306000.0923000.0000
Percentage of OtherOperatingIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:OtherOperatingIncomeExpenseNet


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value9.1273.607-21.2557.498-2.9352.2282.2616.0465.0731.5656.993-2.9981.1340.34514-4.515144.5121.2818.1173.3191.026-1.4780.327-0.6170.3110.0550.0540.708
Percentage of OtherOperatingIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities

us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities


Other
Period End2020-09-302020-06-302020-03-312019-06-302019-03-312018-09-302018-06-302017-09-302017-06-30
Value0.00.0-344.2690.00.00.00.00.00.618
Percentage of OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities0.00.0100.00.00.00.00.00.0100.0

us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities us-gaap:FinancialInstrument, us-gaap:InvestmentSecondaryCategorization

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises, mfa:DiscountDesignatedAsCreditReservesAndOtherThanTemporaryImpairment


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.01.4094.4596.674.0629.9177.5041012108.4479.8461313
Percentage of OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities0.00.0-1.30.00.00.00.00.00.00.00.00.00.02126.1

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic


Participating
Period End2021-06-302020-06-30
Value-205000.0-297000.0
Percentage of ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic100.0100.0

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted


Participating
Period End2021-06-30
Value205000.0
Percentage of ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted100.0

us-gaap:PaymentsForRepurchaseOfWarrants

us-gaap:PaymentsForRepurchaseOfWarrants


Payments
Period End2020-12-31
Value33
Percentage of PaymentsForRepurchaseOfWarrants100.0

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8.2198.2198.218210.00.03.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.753.754.212.042.042.042.042.042.042.042.042.042.042.042.042.04
Percentage of PaymentsOfDividendsPreferredStockAndPreferenceStock100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfStockIssuanceCosts

us-gaap:PaymentsOfStockIssuanceCosts


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312014-12-312014-09-302013-12-312013-09-302012-12-312012-09-30
Value036000.08912000.00000-21000.03000.0000000
Percentage of PaymentsOfStockIssuanceCosts0.0100.0100.00.00.00.00.0100.0100.00.00.00.00.00.00.0

us-gaap:PaymentsToAcquireLoansHeldForInvestment

us-gaap:PaymentsToAcquireLoansHeldForInvestment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value84818413160165111916091044922102190012144295136743824.3815.027309111901651584143.49340273820.00.0
Percentage of PaymentsToAcquireLoansHeldForInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:PreferredStockDividendsPerShareDeclared us-gaap:StatementClassOfStock

us-gaap:PreferredStockDividendsPerShareDeclared

us-gaap:SeriesBPreferredStock


Preferred
Period End2021-05-242021-02-192020-07-012020-02-142019-11-152019-08-092019-09-302019-05-202019-06-302019-02-152019-03-312018-11-262018-08-202018-09-302018-05-172018-06-302018-02-202018-03-312017-11-172017-08-102017-05-162017-02-172016-11-222016-08-122016-05-182016-02-122015-11-192015-08-242015-05-182015-02-132014-11-212014-08-252014-05-192014-02-142013-11-192013-08-222013-05-20
Value0.468750.468750.93750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.468750.39583
Percentage of PreferredStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PreferredStockDividendsPerShareDeclared us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

us-gaap:SeriesBPreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-01
Value0.9375
Percentage of PreferredStockDividendsPerShareDeclared100.0

us-gaap:SeriesCPreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-01
Value0.53264
Percentage of PreferredStockDividendsPerShareDeclared56.8

us-gaap:ProceedsFromAccountsReceivableSecuritization us-gaap:SubsequentEventType

us-gaap:ProceedsFromAccountsReceivableSecuritization

us-gaap:SubsequentEvent


Proceeds
Period End2021-02-23
Value48
Percentage of ProceedsFromAccountsReceivableSecuritization100.0

us-gaap:ProceedsFromDebtNetOfIssuanceCosts us-gaap:DebtInstrument

us-gaap:ProceedsFromDebtNetOfIssuanceCosts

us-gaap:SeniorNotes


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-30
Value805437908372
Percentage of ProceedsFromDebtNetOfIssuanceCosts100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.3960.3766.7160.0010.0370.6873.4647.7240.5860.5510.5423900.4811.236.2924.2661823.9523.7190.3410.2940.3060.2920.3030.3110.3129.2689.5259.237.6161027337.2788.640.6033.3440.4512.0380.3730.1976050.2390.0970.1480.125
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfDebt us-gaap:DebtInstrument

us-gaap:ProceedsFromIssuanceOfDebt

us-gaap:SeniorNotes


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-30
Value805437900372
Percentage of ProceedsFromIssuanceOfDebt100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfDebt us-gaap:FinancialInstrument

us-gaap:AssetBackedSecuritiesSecuritizedLoansAndReceivables


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value6581852659372188020.00.00.08020.0
Percentage of ProceedsFromIssuanceOfDebt81.7423.273.3100.00.00.00.00.00.00.00.0

us-gaap:ProceedsFromIssuanceOfRedeemablePreferredStock

us-gaap:ProceedsFromIssuanceOfRedeemablePreferredStock


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.00.02750.00.0
Percentage of ProceedsFromIssuanceOfRedeemablePreferredStock0.00.00.0100.00.00.0

us-gaap:ProceedsFromIssuanceOfWarrants

us-gaap:ProceedsFromIssuanceOfWarrants


Proceeds
Period End2020-12-312020-09-302020-06-15
Value0.00.0495
Percentage of ProceedsFromIssuanceOfWarrants0.00.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value51582318515395426245383915306896234846089251698762758950824807593848886588469534497438539748
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment

us-gaap:ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value4924255643983535084723822892331851711027154353435332325212410106.263.9662.0510.00.0
Percentage of ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.00.1162780100917233019620819714317919204416160201319322023161020612615812779.876206131650.071
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale

us-gaap:ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302011-12-312010-12-31
Value0.00.11617981265169334195209197143179740.0
Percentage of ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale us-gaap:FinancialInstrument

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.00.116105426446477012673240.019204416
Percentage of ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale0.0100.058.720.927.514.336.360.237.217.00.00.00.00.00.0

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.00.05359650.02571030.0460.075
Percentage of ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale0.00.029.876.30.077.052.90.023.70.042.0

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.00.02073512328218377118104
Percentage of ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale0.00.011.52.872.58.710.839.839.183.058.0

us-gaap:ProceedsFromSaleOfMortgageServicingRightsMSR us-gaap:FinancialInstrument

us-gaap:ProceedsFromSaleOfMortgageServicingRightsMSR

mfa:TermNotesbackedbyMSRRelatedCollateral


Proceeds
Period End2021-03-312020-12-312020-09-302020-06-30
Value1360.00.0574
Percentage of ProceedsFromSaleOfMortgageServicingRightsMSR100.00.00.0100.0

us-gaap:ProceedsFromSaleOfRealEstate

us-gaap:ProceedsFromSaleOfRealEstate


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value385076697054292329272729402525182112137.910.06.22.81.71.40.581
Percentage of ProceedsFromSaleOfRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromWarrantExercises

us-gaap:ProceedsFromWarrantExercises


Proceeds
Period End2020-12-31
Value6500000.0
Percentage of ProceedsFromWarrantExercises100.0

us-gaap:ProvisionForLoanLossesExpensed

us-gaap:ProvisionForLoanLossesExpensed


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-8.583-22.372-18.583-30.062-10.614741.0310.3470.3852.569
Percentage of ProvisionForLoanLossesExpensed100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLossesExpensed us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

mfa:NonQMLoans


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-302019-03-31
Value-2.416-6.523-5.599-4.568-2.297260.3880.00.388
Percentage of ProvisionForLoanLossesExpensed28.129.230.115.221.635.237.60.015.1

mfa:PurchasedCreditDeterioratedLoans


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-3.963-10.936-7.997-16.374-2.5798.481-1.6390.3470.385-0.724
Percentage of ProvisionForLoanLossesExpensed46.248.943.054.524.311.3-159.0100.0100.0-28.2

mfa:RehabilitationLoans


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-302019-03-31
Value-1.809-3.7-3.837-7.14-5.213332.220.02.843
Percentage of ProvisionForLoanLossesExpensed21.116.520.623.849.144.3215.30.0110.7

mfa:SeasonedPerformingLoans


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value-0.009-0.041-0.043-0.074-0.0250.230.00.0
Percentage of ProvisionForLoanLossesExpensed0.10.20.20.20.20.30.00.0

mfa:SingleFamilyRentalLoans


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-302019-03-31
Value-0.386-1.172-1.107-1.906-0.56.6150.0620.00.062
Percentage of ProvisionForLoanLossesExpensed4.55.26.06.34.78.86.00.02.4

us-gaap:RealEstateOwnedValuationAllowanceAmountsApplied

us-gaap:RealEstateOwnedValuationAllowanceAmountsApplied


Real
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.0680.8740.774-0.0937.1384.755.623.8751.3154.0724.3084.0564.1213.4153.7123.12.41.82.8451.71.2191.81.5360.56-1.3790.0
Percentage of RealEstateOwnedValuationAllowanceAmountsApplied100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax


Reclassification
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0.0-7.116803669.095157.11417279.455-5.178-8.623-8.424-14.935-6.274-10.385-10.127-7.314-8.688
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Reclassification
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.0-7.176-64.032-1.5940.6850.6850.7430.3410.00.00.00.00.00.00.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax0.0100.8-79.3-0.47.54.510.42.00.00.0-0.0-0.0-0.0-0.0-0.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Reclassification
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value0.00.061443688.41146.37117279.4555.1788.6238.424146.27410107.3148.6881010118.1616.8313136.7482.952.435153.2541.364.3643.13
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax0.0-0.8179.3100.492.595.589.698.0100.0100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RepaymentsOfDebt us-gaap:SubsequentEventType

us-gaap:RepaymentsOfDebt

us-gaap:SubsequentEvent


Repayments
Period End2020-10-302020-10-09
Value81400
Percentage of RepaymentsOfDebt100.0100.0

us-gaap:RepaymentsOfOtherDebt

us-gaap:RepaymentsOfOtherDebt


Repayments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value76193735213125303915127.4226.4882.6520.00.00.0111010
Percentage of RepaymentsOfOtherDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0

us-gaap:RestructuringSettlementAndImpairmentProvisions

us-gaap:RestructuringSettlementAndImpairmentProvisions


Restructuring
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.0394.4680.00.0
Percentage of RestructuringSettlementAndImpairmentProvisions0.00.0100.0100.00.00.0

us-gaap:SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense

us-gaap:SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense


S
Period End2021-06-302021-03-312020-06-302020-03-31
Value90000.0331000.0300000.0203000.0
Percentage of SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:StockIssuedDuringPeriodSharesNewIssues


Stock
Period End2020-12-31
Value12
Percentage of StockIssuedDuringPeriodSharesNewIssues100.0

us-gaap:StockIssuedDuringPeriodSharesNewIssues us-gaap:StatementEquityComponents

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.3580.5590.0890.1061.1061.070.1391.0660.528500.1040.8490.9960.773231.4571.0420.0690.0580.5890.5970.0780.0730.0611.6151.2761.2731.1411.4823.7533.7370.8832.0650.1470.60.1540.52175
Percentage of StockIssuedDuringPeriodSharesNewIssues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueDividendReinvestmentPlan us-gaap:PlanName

us-gaap:StockIssuedDuringPeriodValueDividendReinvestmentPlan

mfa:DiscountWaiverDirectStockPurchaseAndDividendReinvestmentPlan


Stock
Period End2021-06-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-30
Value0.40.0484290.6919790.6340.5860.5450.5190.481.24.34.04.00.3410.2940.3020.3030.310.3139.5
Percentage of StockIssuedDuringPeriodValueDividendReinvestmentPlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value5.666.1590.3370.00.370.2130.00.00.2510.1040.1450.0040.4920.2710.0130.0080.1960.2670.020.0110.0110.2520.03
Percentage of StockRepurchasedAndRetiredDuringPeriodShares100.0100.0100.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue


Stock
Period End2021-06-302021-03-312020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value23252.6520.02.611.4350.00.01.9570.8371.2660.0333.8592.070.0970.061.3241.8070.2280.0870.1512.340.107
Percentage of StockRepurchasedAndRetiredDuringPeriodValue100.0100.0100.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value23252.6520.02.611.4350.00.01.9570.8371.2660.0333.8592.070.0970.061.3241.8070.2280.0870.1512.340.1070.1240.117150.199
Percentage of StockRepurchasedAndRetiredDuringPeriodValue99.899.8100.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value0.0570.0620.00.00.00.00.00.00.00.00.0210.0
Percentage of StockRepurchasedAndRetiredDuringPeriodValue0.20.20.00.00.00.00.00.00.00.00.00.0

us-gaap:TransferToOtherRealEstate

us-gaap:TransferToOtherRealEstate


Transfer
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value182021158.5265064616665535848543938273122242222175.8923.5543.4482.9040.00.00.0
Percentage of TransferToOtherRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:TreasuryStockAcquiredAverageCostPerShare

us-gaap:TreasuryStockAcquiredAverageCostPerShare


Treasury
Period End2021-06-302021-03-31
Value4.194.09
Percentage of TreasuryStockAcquiredAverageCostPerShare100.0100.0

us-gaap:TreasuryStockAcquiredAverageCostPerShare us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Treasury
Period End2021-04-30
Value4.14
Percentage of TreasuryStockAcquiredAverageCostPerShare0.0

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


Treasury
Period End2021-06-302021-03-31
Value2324
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0

us-gaap:UnrealizedGainLossOnDerivatives

us-gaap:UnrealizedGainLossOnDerivatives


Unrealized
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value0.0-0.0010.0-50.1277.042-0.233-19.706-10.445-18.4295.397.91519185.791-1.0170.00.00.00.0-0.869-1.5522.0182.0769.429-8.784-0.671.1360.742
Percentage of UnrealizedGainLossOnDerivatives0.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount

us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount


Valuation
Period End2021-06-302021-03-312020-12-31
Value1800000.0-74400000.01400000.0
Percentage of ValuationAllowanceDeferredTaxAssetChangeInAmount100.0100.0100.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2021-02-17
Value452
Percentage of EntityCommonStockSharesOutstanding100.0

mfa:AccountsPayableRelatedToUnsettledResidentialWholeLoanPurchases

mfa:AccountsPayableRelatedToUnsettledResidentialWholeLoanPurchases


Accounts
Period End2021-06-302021-03-31
Value131112
Percentage of AccountsPayableRelatedToUnsettledResidentialWholeLoanPurchases100.0100.0

mfa:AvailableForSaleSecuritiesAccretablePurchaseDiscounts

mfa:AvailableForSaleSecuritiesAccretablePurchaseDiscounts


Available
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value8.2068.3158.5599190102117130154191204202218248262274283299331287317340367393404426436442460443396381371308265264250239223229
Percentage of AvailableForSaleSecuritiesAccretablePurchaseDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:AvailableForSaleSecuritiesAccretablePurchaseDiscounts us-gaap:FinancialInstrument

mfa:ResidentialMortgageSecurities


Available
Period End2021-06-302021-03-312020-12-31
Value0.0630.0698.206
Percentage of AvailableForSaleSecuritiesAccretablePurchaseDiscounts0.00.0100.0

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises


Available
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value8.1368.2468.439090102117130155191202215
Percentage of AvailableForSaleSecuritiesAccretablePurchaseDiscounts99.199.298.599.999.999.999.9100.0100.199.999.198.4

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


Available
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.070.0690.1290.0420.0550.1170.0470.015-0.1070.1781.833.55
Percentage of AvailableForSaleSecuritiesAccretablePurchaseDiscounts0.90.81.50.00.10.10.00.0-0.10.10.91.6

mfa:AvailableForSaleSecuritiesDiscount us-gaap:FinancialInstrument, us-gaap:InvestmentSecondaryCategorization

mfa:AvailableForSaleSecuritiesDiscount

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises, mfa:AccretableDiscount


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value8.2468.439090102117130155191202199215244257269278
Percentage of AvailableForSaleSecuritiesDiscount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises, mfa:DiscountDesignatedAsCreditReservesAndOtherThanTemporaryImpairment


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.6690.669389436462479501516531553572593593626653694
Percentage of AvailableForSaleSecuritiesDiscount8.17.9428.1481.8451.7407.3385.4332.9277.3273.7286.8275.5242.3242.9242.2249.6

mfa:AvailableForSaleSecuritiesDiscountDesignatedAsCreditReserveAndOtherThanTemporaryImpairments

mfa:AvailableForSaleSecuritiesDiscountDesignatedAsCreditReserveAndOtherThanTemporaryImpairments


Available
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value212121441436462479501516531553572593593626653694714724757787815847873900929986104110431118126413121380145914401344122811961174746
Percentage of AvailableForSaleSecuritiesDiscountDesignatedAsCreditReserveAndOtherThanTemporaryImpairments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:AvailableForSaleSecuritiesDiscountDesignatedAsCreditReserveAndOtherThanTemporaryImpairments us-gaap:FinancialInstrument

mfa:ResidentialMortgageSecurities


Available
Period End2021-06-302021-03-312020-12-31
Value202021
Percentage of AvailableForSaleSecuritiesDiscountDesignatedAsCreditReserveAndOtherThanTemporaryImpairments0.00.0100.0

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises


Available
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.6690.6690.669389436462479501516531553593
Percentage of AvailableForSaleSecuritiesDiscountDesignatedAsCreditReserveAndOtherThanTemporaryImpairments3.13.13.188.2100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


Available
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value202020470.00.00.00.00.00.00.00.0
Percentage of AvailableForSaleSecuritiesDiscountDesignatedAsCreditReserveAndOtherThanTemporaryImpairments96.996.996.910.70.00.00.00.00.00.00.00.0

mfa:AvailableForSaleSecuritiesPurchasePremiums

mfa:AvailableForSaleSecuritiesPurchasePremiums


Available
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value3.0222.4142.0522267749110411212198108113119126131138144154164172181192204213224238250227227233232228226191185178184164106
Percentage of AvailableForSaleSecuritiesPurchasePremiums100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:AvailableForSaleSecuritiesPurchasePremiums us-gaap:FinancialInstrument

mfa:ResidentialMortgageSecurities


Available
Period End2021-06-302021-03-312020-12-31
Value4.8033.7643.022
Percentage of AvailableForSaleSecuritiesPurchasePremiums0.00.0100.0

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


Available
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3.0222.4142.0523.2634.3185.8826.9077.5199.3219.9369.8258.887
Percentage of AvailableForSaleSecuritiesPurchasePremiums100.0100.0100.014.76.47.97.57.28.38.29.97.9

mfa:CapitalContributionstoLoanOriginationPartners

mfa:CapitalContributionstoLoanOriginationPartners


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value81814710810911314712223
Percentage of CapitalContributionstoLoanOriginationPartners100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValueExcludingUnsettledPurchasesSimpleAverageAmount us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:ValuationTechnique

mfa:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValueExcludingUnsettledPurchasesSimpleAverageAmount

us-gaap:NonperformingFinancingReceivable, mfa:LiquidationModel


Certain
Period End2021-06-302020-12-31
Value410000.0380000.0
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValueExcludingUnsettledPurchasesSimpleAverageAmount100.0100.0

mfa:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValueExcludingUnsettledPurchasesSimpleAverageAmount us-gaap:ValuationTechnique

mfa:LiquidationModel


Certain
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value403000.0380000.0383000.0375000.0368000.0365000.0357000.0363000.0362000.0400000.0378000.0384000.0346000.0336000.0353000.0354000.0340000.0320000.0357000.0305000.0
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValueExcludingUnsettledPurchasesSimpleAverageAmount0.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

mfa:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValueLevel3ExcludingLoanPurchasePrice

mfa:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValueLevel3ExcludingLoanPurchasePrice


Certain
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1207121612291200124313811452143513861383137714681257951792744775769657505
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValueLevel3ExcludingLoanPurchasePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValueLevel3ExcludingLoanPurchasePrice us-gaap:FinancialInstrumentPerformanceStatus

us-gaap:NonperformingFinancingReceivable


Certain
Period End2021-06-302020-12-31
Value11681216
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValueLevel3ExcludingLoanPurchasePrice0.0100.0

us-gaap:PerformingFinancingReceivable


Certain
Period End2021-06-30
Value835
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValueLevel3ExcludingLoanPurchasePrice0.0

mfa:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValueLevel3ExcludingLoanPurchasePrice us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:ValuationTechnique

us-gaap:NonperformingFinancingReceivable, mfa:LiquidationModel


Certain
Period End2021-06-302020-12-31
Value394427
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValueLevel3ExcludingLoanPurchasePrice0.035.1

us-gaap:NonperformingFinancingReceivable, us-gaap:IncomeApproachValuationTechnique


Certain
Period End2021-06-302020-12-31
Value773789
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValueLevel3ExcludingLoanPurchasePrice0.064.9

us-gaap:PerformingFinancingReceivable, mfa:LiquidationModel


Certain
Period End2021-06-30
Value2.249
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValueLevel3ExcludingLoanPurchasePrice0.0

us-gaap:PerformingFinancingReceivable, us-gaap:IncomeApproachValuationTechnique


Certain
Period End2021-06-30
Value832
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValueLevel3ExcludingLoanPurchasePrice0.0

mfa:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValueLevel3ExcludingLoanPurchasePrice us-gaap:ValuationTechnique

mfa:LiquidationModel


Certain
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value409427454523497551655648641683683794678592488458507516473392
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValueLevel3ExcludingLoanPurchasePrice33.935.137.043.640.039.945.145.246.349.449.654.154.062.361.661.665.467.172.077.6

us-gaap:IncomeApproachValuationTechnique


Certain
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value798789774677745829797787744700693673578358304286267253184113
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValueLevel3ExcludingLoanPurchasePrice66.164.963.056.460.060.154.954.853.750.650.445.946.037.738.438.434.632.928.022.4

mfa:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValuePurchasesExcludedfromLevel3FairValueMethodologyDisclosures

mfa:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValuePurchasesExcludedfromLevel3FairValueMethodologyDisclosures


Certain
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1120.2650.4770.2740.250.470.6339012628270342983733102390.0451406746117
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValuePurchasesExcludedfromLevel3FairValueMethodologyDisclosures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

mfa:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValuePurchasesExcludedfromLevel3FairValueMethodologyDisclosures us-gaap:FinancialInstrumentPerformanceStatus

us-gaap:NonperformingFinancingReceivable


Certain
Period End2021-06-302020-12-31
Value0.2660.265
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValuePurchasesExcludedfromLevel3FairValueMethodologyDisclosures0.0100.0

us-gaap:PerformingFinancingReceivable


Certain
Period End2021-06-30
Value131
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValuePurchasesExcludedfromLevel3FairValueMethodologyDisclosures0.0

mfa:CertainLoansAcquiredinTransferNotAccountedforasDebtSecuritiesAcquiredDuringPeriodatAcquisitionatFairValueExcludingUnsettledLoans

mfa:CertainLoansAcquiredinTransferNotAccountedforasDebtSecuritiesAcquiredDuringPeriodatAcquisitionatFairValueExcludingUnsettledLoans


Certain
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1207121612291200124313811453143815121471144714681325
Percentage of CertainLoansAcquiredinTransferNotAccountedforasDebtSecuritiesAcquiredDuringPeriodatAcquisitionatFairValueExcludingUnsettledLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:CertainLoansAcquiredinTransferNotAccountedforasDebtSecuritiesTaxBasis us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

mfa:CertainLoansAcquiredinTransferNotAccountedforasDebtSecuritiesTaxBasis

us-gaap:LoansReceivable


Certain
Period End2020-12-31
Value3900
Percentage of CertainLoansAcquiredinTransferNotAccountedforasDebtSecuritiesTaxBasis100.0

mfa:DeferredCompensationArrangementWithIndividualUndistributedIncomeDeferred us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation

mfa:DeferredCompensationArrangementWithIndividualUndistributedIncomeDeferred

us-gaap:DeferredCompensationShareBasedPayments


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2442000.02319000.02197000.02074000.01975000.01881000.02349000.02216000.02084000.02311000.02263000.02100000.02100000.01775000.01688000.01525000.01366000.01208000.01066000.0923000.0781000.0638000.0601000.0488000.0376000.0264000.0324000.0263000.0236000.0210000.0270000.0214000.0214000.0195000.0199000.0199000.0199000.0199000.0209000.0164000.0164000.0266000.0
Percentage of DeferredCompensationArrangementWithIndividualUndistributedIncomeDeferred100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:DeferredCompensationArrangementWithIndividualUndistributedIncomeDeferred us-gaap:TitleOfIndividual, us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation

srt:Director, us-gaap:DeferredCompensationShareBasedPayments


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value2442000.02319000.02197000.02074000.01975000.01881000.02349000.02216000.02084000.02263000.0
Percentage of DeferredCompensationArrangementWithIndividualUndistributedIncomeDeferred100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:DividendsandDividendEquivalentsPayable

mfa:DividendsandDividendEquivalentsPayable


Dividendsand
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value443334220.00.09090909090
Percentage of DividendsandDividendEquivalentsPayable100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0

mfa:EquityInvestmentConvertibleNotes mfa:OtherAssets

mfa:EquityInvestmentConvertibleNotes

mfa:LoanOriginators


Equity
Period End2020-09-30
Value75
Percentage of EquityInvestmentConvertibleNotes100.0

mfa:FinanceAgreementNetofDebtIssuanceCosts us-gaap:FinancialInstrument

mfa:FinanceAgreementNetofDebtIssuanceCosts

us-gaap:SecuritiesSoldUnderAgreementsToRepurchase


Finance
Period End2020-12-312020-09-302020-06-302019-12-31
Value2494321336929139
Percentage of FinanceAgreementNetofDebtIssuanceCosts100.0100.0100.0100.0

mfa:FinancialInstrumentsOwnedMortgagesMortgagebackedandAssetbackedSecuritiesAmortizedCosts us-gaap:FinancialInstrument

mfa:FinancialInstrumentsOwnedMortgagesMortgagebackedandAssetbackedSecuritiesAmortizedCosts

mfa:TermNotesbackedbyMSRRelatedCollateral


Financial
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value147185184184184706120011001100753538504380381
Percentage of FinancialInstrumentsOwnedMortgagesMortgagebackedandAssetbackedSecuritiesAmortizedCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:FinancialInstrumentsOwnedMortgagesMortgagebackedandAssetbackedSecuritiesGrossUnrealizedGains us-gaap:FinancialInstrument

mfa:FinancialInstrumentsOwnedMortgagesMortgagebackedandAssetbackedSecuritiesGrossUnrealizedGains

mfa:TermNotesbackedbyMSRRelatedCollateral


Financial
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value49595449405.25.43.40.505230.0070.9221.00.804
Percentage of FinancialInstrumentsOwnedMortgagesMortgagebackedandAssetbackedSecuritiesGrossUnrealizedGains100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mfa:FinancingAgreementsAmortizedCost us-gaap:FairValueByMeasurementBasis

mfa:FinancingAgreementsAmortizedCost

us-gaap:EstimateOfFairValueFairValueDisclosure


Financing
Period End2021-06-302020-12-31
Value22873352
Percentage of FinancingAgreementsAmortizedCost100.0100.0

mfa:FinancingAgreementsAmortizedCost us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument

us-gaap:EstimateOfFairValueFairValueDisclosure, mfa:AgreementsWithMarkToMarketCollateralProvisions


Financing
Period End2021-06-302020-12-31
Value8581338
Percentage of FinancingAgreementsAmortizedCost37.539.9

us-gaap:EstimateOfFairValueFairValueDisclosure, mfa:AgreementsWithNonMarkToMarketCollateralProvisions


Financing
Period End2021-06-302020-12-31
Value7931156
Percentage of FinancingAgreementsAmortizedCost34.734.5

us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:SecuredDebt


Financing
Period End2021-06-302020-12-31
Value636857
Percentage of FinancingAgreementsAmortizedCost27.825.6

mfa:FinancingAgreementsAmortizedCost us-gaap:FinancialInstrument

mfa:AgreementsWithMarkToMarketCollateralProvisions


Financing
Period End2021-03-312020-12-312020-09-302020-06-30
Value1180133814891656
Percentage of FinancingAgreementsAmortizedCost0.039.90.00.0

mfa:AgreementsWithNonMarkToMarketCollateralProvisions


Financing
Period End2021-03-312020-12-312020-09-302020-06-30
Value1039115617232036
Percentage of FinancingAgreementsAmortizedCost0.034.50.00.0

mfa:FinancingAgreementsFairValue


Financing
Period End2021-03-312020-12-312020-09-302020-06-30
Value2968335240564192
Percentage of FinancingAgreementsAmortizedCost0.0100.00.00.0

mfa:SeniorSecuredCreditAgreement


Financing
Period End2020-09-302020-06-30
Value462480
Percentage of FinancingAgreementsAmortizedCost0.00.0

us-gaap:SecuredDebt


Financing
Period End2021-03-312020-12-312020-09-30
Value748857380
Percentage of FinancingAgreementsAmortizedCost0.025.60.0

mfa:FinancingAgreementsFairValueandCarryingValue

mfa:FinancingAgreementsFairValueandCarryingValue


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value4428399543364851501110031
Percentage of FinancingAgreementsFairValueandCarryingValue100.0100.0100.0100.0100.0100.0

mfa:FinancingAgreementsFairValueandCarryingValue us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Financing
Period End2021-06-302020-12-31
Value2134970
Percentage of FinancingAgreementsFairValueandCarryingValue48.222.4

us-gaap:EstimateOfFairValueFairValueDisclosure


Financing
Period End2021-06-302020-12-31
Value22943366
Percentage of FinancingAgreementsFairValueandCarryingValue51.877.6

mfa:FinancingAgreementsFairValueandCarryingValue us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument

us-gaap:CarryingReportedAmountFairValueDisclosure, mfa:AgreementsWithMarkToMarketCollateralProvisions


Financing
Period End2021-06-30
Value503
Percentage of FinancingAgreementsFairValueandCarryingValue11.4

us-gaap:CarryingReportedAmountFairValueDisclosure, mfa:ConvertibleSeniorNotes


Financing
Period End2021-06-302020-12-31
Value225225
Percentage of FinancingAgreementsFairValueandCarryingValue5.15.2

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:SecuredDebt


Financing
Period End2021-06-302020-12-31
Value1405645
Percentage of FinancingAgreementsFairValueandCarryingValue31.714.9

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:SeniorNotes


Financing
Period End2020-12-31
Value100
Percentage of FinancingAgreementsFairValueandCarryingValue2.3

us-gaap:EstimateOfFairValueFairValueDisclosure, mfa:AgreementsWithMarkToMarketCollateralProvisions


Financing
Period End2021-06-302020-12-31
Value8581338
Percentage of FinancingAgreementsFairValueandCarryingValue19.430.9

us-gaap:EstimateOfFairValueFairValueDisclosure, mfa:AgreementsWithNonMarkToMarketCollateralProvisions


Financing
Period End2021-06-302020-12-31
Value7951159
Percentage of FinancingAgreementsFairValueandCarryingValue18.026.7

us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:SecuredDebt


Financing
Period End2021-06-302020-12-31
Value640869
Percentage of FinancingAgreementsFairValueandCarryingValue14.520.0

mfa:FinancingAgreementsFairValueandCarryingValue us-gaap:FinancialInstrument

mfa:AgreementsWithMarkToMarketCollateralProvisions


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-06-26
Value85811801338149016561650
Percentage of FinancingAgreementsFairValueandCarryingValue19.429.530.930.733.00.0

mfa:AgreementsWithNonMarkToMarketCollateralProvisions


Financing
Period End2021-03-312020-12-312020-09-302020-06-30
Value1041115917272036
Percentage of FinancingAgreementsFairValueandCarryingValue26.126.735.640.6

mfa:ConvertibleSeniorNotes


Financing
Period End2021-03-312020-12-312020-09-302020-06-302019-12-31
Value225225224224223
Percentage of FinancingAgreementsFairValueandCarryingValue5.65.24.64.52.2

mfa:FinancingAgreementsCarryingValue


Financing
Period End2021-03-312020-12-312020-09-302020-06-30
Value1021970770817
Percentage of FinancingAgreementsFairValueandCarryingValue25.622.415.916.3

mfa:FinancingAgreementsFairValue


Financing
Period End2021-03-312020-12-312020-09-302020-06-30
Value2974336640804194
Percentage of FinancingAgreementsFairValueandCarryingValue74.477.684.183.7

mfa:NonMarktoMarketFinancingFacilities


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value63983788614001600
Percentage of FinancingAgreementsFairValueandCarryingValue14.421.020.428.931.9

mfa:OtherFinancingAgreementFairValue


Financing
Period End2021-03-312020-12-312020-09-302020-06-30
Value79564544820
Percentage of FinancingAgreementsFairValueandCarryingValue19.914.99.30.4

mfa:SeniorSecuredCreditAgreement


Financing
Period End2020-09-302020-06-30
Value473480
Percentage of FinancingAgreementsFairValueandCarryingValue9.89.6

us-gaap:SecuredDebt


Financing
Period End2021-03-312020-12-312020-09-302020-06-302019-12-31
Value753869388495570
Percentage of FinancingAgreementsFairValueandCarryingValue18.820.08.09.95.7

us-gaap:SeniorNotes


Financing
Period End2020-12-312020-09-302020-06-302019-12-31
Value100969696
Percentage of FinancingAgreementsFairValueandCarryingValue2.32.01.91.0

mfa:FinancingAgreementsFairValueandCarryingValue us-gaap:FinancialInstrument, us-gaap:SubsequentEventType

mfa:NonQMLoans, us-gaap:SubsequentEvent


Financing
Period End2020-11-05
Value570
Percentage of FinancingAgreementsFairValueandCarryingValue0.0

mfa:FinancingAgreementsLiabilities mfa:AssetsSoldUnderAgreementsToRepurchaseRemainingPeriodBeforeInterestRateReset, us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument

mfa:FinancingAgreementsLiabilities

mfa:InterestRateResetWithin30Days, us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:SecuritiesSoldUnderAgreementsToRepurchase


Financing
Period End2021-06-30
Value503
Percentage of FinancingAgreementsLiabilities100.0

mfa:InterestRateResetWithin30Days, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:SecuritiesSoldUnderAgreementsToRepurchase


Financing
Period End2021-06-302020-12-31
Value16512494
Percentage of FinancingAgreementsLiabilities328.20.0

mfa:FinancingAgreementsLiabilities mfa:AssetsSoldUnderAgreementsToRepurchaseRemainingPeriodBeforeInterestRateReset, us-gaap:FinancialInstrument

mfa:InterestRateResetOver30DaysTo3Months, us-gaap:SecuritiesSoldUnderAgreementsToRepurchase


Financing
Period End2021-03-312020-06-302019-12-31
Value1362662746
Percentage of FinancingAgreementsLiabilities0.00.00.0

mfa:InterestRateResetOver3Monthsto12Months, us-gaap:SecuritiesSoldUnderAgreementsToRepurchase


Financing
Period End2020-09-302020-06-302019-12-31
Value280581014
Percentage of FinancingAgreementsLiabilities0.00.00.0

mfa:InterestRateResetWithin30Days, us-gaap:SecuritiesSoldUnderAgreementsToRepurchase


Financing
Period End2021-03-312020-12-312020-09-302020-06-302019-12-31
Value20832494293233674472
Percentage of FinancingAgreementsLiabilities0.00.00.00.00.0

mfa:FinancingAgreementsLiabilities us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument

us-gaap:CarryingReportedAmountFairValueDisclosure, mfa:AgreementsWithMarkToMarketCollateralProvisions


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value11829791124123116569139
Percentage of FinancingAgreementsLiabilities235.00.00.00.00.00.0

us-gaap:CarryingReportedAmountFairValueDisclosure, mfa:AgreementsWithNonMarkToMarketCollateralProvisions


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value79510411159172720360.0
Percentage of FinancingAgreementsLiabilities158.00.00.00.00.00.0

us-gaap:CarryingReportedAmountFairValueDisclosure, mfa:FinancingAgreementsWithMarkToMarketCollateralProvisions


Financing
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value1782002132584397
Percentage of FinancingAgreementsLiabilities35.40.00.00.00.0

us-gaap:CarryingReportedAmountFairValueDisclosure, mfa:SeniorSecuredCreditAgreement


Financing
Period End2020-09-302020-06-302019-12-31
Value4734800.0
Percentage of FinancingAgreementsLiabilities0.00.00.0

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:SecuritiesSoldUnderAgreementsToRepurchase


Financing
Period End2021-06-30
Value503
Percentage of FinancingAgreementsLiabilities100.0

us-gaap:EstimateOfFairValueFairValueDisclosure, mfa:AgreementsWithMarkToMarketCollateralProvisions


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value11839791124123116569156
Percentage of FinancingAgreementsLiabilities235.00.00.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure, mfa:AgreementsWithNonMarkToMarketCollateralProvisions


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value79510411159172720360.0
Percentage of FinancingAgreementsLiabilities158.00.00.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure, mfa:FinancingAgreementsWithMarkToMarketCollateralProvisions


Financing
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value1782002132584403
Percentage of FinancingAgreementsLiabilities35.40.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure, mfa:SeniorSecuredCreditAgreement


Financing
Period End2020-09-302020-06-302019-12-31
Value4734800.0
Percentage of FinancingAgreementsLiabilities0.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:SecuritiesSoldUnderAgreementsToRepurchase


Financing
Period End2021-06-302020-12-31
Value16512494
Percentage of FinancingAgreementsLiabilities328.20.0

mfa:FinancingAgreementsLiabilities us-gaap:FinancialInstrument

us-gaap:SecuritiesSoldUnderAgreementsToRepurchase


Financing
Period End2021-03-312020-12-312020-09-302020-06-302019-12-31
Value22192494321336929140
Percentage of FinancingAgreementsLiabilities0.00.00.00.00.0

mfa:FinancingAgreementsUnpaidPrincipalBalance

mfa:FinancingAgreementsUnpaidPrincipalBalance


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value4433399843394864504710044
Percentage of FinancingAgreementsUnpaidPrincipalBalance100.0100.0100.0100.0100.0100.0

mfa:FinancingAgreementsUnpaidPrincipalBalance us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Financing
Period End2021-06-302020-12-31
Value2145978
Percentage of FinancingAgreementsUnpaidPrincipalBalance48.422.5

us-gaap:EstimateOfFairValueFairValueDisclosure


Financing
Period End2021-06-302020-12-31
Value22873361
Percentage of FinancingAgreementsUnpaidPrincipalBalance51.677.5

mfa:FinancingAgreementsUnpaidPrincipalBalance us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument

us-gaap:CarryingReportedAmountFairValueDisclosure, mfa:AgreementsWithMarkToMarketCollateralProvisions


Financing
Period End2021-06-30
Value503
Percentage of FinancingAgreementsUnpaidPrincipalBalance11.4

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:SecuredDebt


Financing
Period End2021-06-302020-12-31
Value1412648
Percentage of FinancingAgreementsUnpaidPrincipalBalance31.914.9

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:SeniorNotes


Financing
Period End2020-12-31
Value100
Percentage of FinancingAgreementsUnpaidPrincipalBalance2.3

us-gaap:EstimateOfFairValueFairValueDisclosure, mfa:AgreementsWithMarkToMarketCollateralProvisions


Financing
Period End2021-06-302020-12-31
Value8581338
Percentage of FinancingAgreementsUnpaidPrincipalBalance19.430.8

us-gaap:EstimateOfFairValueFairValueDisclosure, mfa:AgreementsWithNonMarkToMarketCollateralProvisions


Financing
Period End2021-06-302020-12-31
Value7931156
Percentage of FinancingAgreementsUnpaidPrincipalBalance17.926.7

us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:SecuredDebt


Financing
Period End2021-06-302020-12-31
Value636866
Percentage of FinancingAgreementsUnpaidPrincipalBalance14.320.0

mfa:FinancingAgreementsUnpaidPrincipalBalance us-gaap:FinancialInstrument

mfa:AgreementsWithMarkToMarketCollateralProvisions


Financing
Period End2021-03-312020-12-312020-09-302020-06-30
Value1180133814891656
Percentage of FinancingAgreementsUnpaidPrincipalBalance29.530.830.632.8

mfa:AgreementsWithNonMarkToMarketCollateralProvisions


Financing
Period End2021-03-312020-12-312020-09-302020-06-30
Value1039115617232036
Percentage of FinancingAgreementsUnpaidPrincipalBalance26.026.735.440.3

mfa:FinancingAgreementsCarryingValue


Financing
Period End2021-03-312020-12-312020-09-302020-06-30
Value1030978781828
Percentage of FinancingAgreementsUnpaidPrincipalBalance25.822.516.116.4

mfa:FinancingAgreementsFairValue


Financing
Period End2021-03-312020-12-312020-09-302020-06-30
Value2968336140834219
Percentage of FinancingAgreementsUnpaidPrincipalBalance74.277.583.983.6

mfa:OtherFinancingAgreementFairValue


Financing
Period End2021-03-312020-12-312020-09-302020-06-30
Value80064845127
Percentage of FinancingAgreementsUnpaidPrincipalBalance20.014.99.30.5

mfa:SeniorSecuredCreditAgreement


Financing
Period End2020-09-302020-06-30
Value481500
Percentage of FinancingAgreementsUnpaidPrincipalBalance9.99.9

us-gaap:SecuredDebt


Financing
Period End2021-03-312020-12-312020-09-302020-06-302019-12-31
Value748866389498573
Percentage of FinancingAgreementsUnpaidPrincipalBalance18.720.08.09.95.7

mfa:FinancingReceivableAmortizedCostBasis us-gaap:FinancialInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

mfa:FinancingReceivableAmortizedCostBasis

mfa:CreditImpairedLoans, mfa:SettledWholeLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value609644673702726744698
Percentage of FinancingReceivableAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0

mfa:NonQMLoans, mfa:SettledWholeLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1960224323572465257435383707
Percentage of FinancingReceivableAmortizedCostBasis321.9348.0349.9351.2354.3475.4530.6

mfa:RehabilitationLoans, mfa:SettledWholeLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3644645816998629781026
Percentage of FinancingReceivableAmortizedCostBasis59.872.086.499.7118.8131.5146.9

mfa:SeasonedPerformingLoans, mfa:SettledWholeLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value118128136147155165176
Percentage of FinancingReceivableAmortizedCostBasis19.419.920.221.021.422.225.3

mfa:SingleFamilyRentalLoans, mfa:SettledWholeLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value417451446479494506460
Percentage of FinancingReceivableAmortizedCostBasis68.570.166.368.268.068.065.9

mfa:FinancingReceivableAmortizedCostBasis us-gaap:FinancialInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue

mfa:CreditImpairedLoans, mfa:SettledWholeLoans, us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDue


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value105117119122105108
Percentage of FinancingReceivableAmortizedCostBasis17.318.217.817.414.515.6

mfa:NonQMLoans, mfa:SettledWholeLoans, us-gaap:FinancingReceivables1To29DaysPastDue


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value172519752099217425023492
Percentage of FinancingReceivableAmortizedCostBasis283.3306.5311.6309.8344.5499.8

mfa:NonQMLoans, mfa:SettledWholeLoans, us-gaap:FinancingReceivables30To59DaysPastDue


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value588973742459
Percentage of FinancingReceivableAmortizedCostBasis9.513.910.910.63.48.6

mfa:NonQMLoans, mfa:SettledWholeLoans, us-gaap:FinancingReceivables60To89DaysPastDue


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value364236522319
Percentage of FinancingReceivableAmortizedCostBasis6.16.75.47.43.22.8

mfa:NonQMLoans, mfa:SettledWholeLoans, us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDue


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value1401351481632320
Percentage of FinancingReceivableAmortizedCostBasis23.021.022.023.33.22.9

mfa:RehabilitationLoans, mfa:SettledWholeLoans, us-gaap:FinancingReceivables1To29DaysPastDue


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value226293390491620868
Percentage of FinancingReceivableAmortizedCostBasis37.245.658.070.085.4124.3

mfa:RehabilitationLoans, mfa:SettledWholeLoans, us-gaap:FinancingReceivables30To59DaysPastDue


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value172129656067
Percentage of FinancingReceivableAmortizedCostBasis2.83.34.49.38.49.7

mfa:RehabilitationLoans, mfa:SettledWholeLoans, us-gaap:FinancingReceivables60To89DaysPastDue


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value111225226527
Percentage of FinancingReceivableAmortizedCostBasis1.91.93.83.39.03.9

mfa:RehabilitationLoans, mfa:SettledWholeLoans, us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDue


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value10813613612011662
Percentage of FinancingReceivableAmortizedCostBasis17.921.320.217.116.09.0

mfa:SeasonedPerformingLoans, mfa:SettledWholeLoans, us-gaap:FinancingReceivables1To29DaysPastDue


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value107115124136150187
Percentage of FinancingReceivableAmortizedCostBasis17.717.918.519.520.826.9

mfa:SeasonedPerformingLoans, mfa:SettledWholeLoans, us-gaap:FinancingReceivables30To59DaysPastDue


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value0.9432.4452.1861.4061.742.164
Percentage of FinancingReceivableAmortizedCostBasis0.20.40.30.20.20.3

mfa:SeasonedPerformingLoans, mfa:SettledWholeLoans, us-gaap:FinancingReceivables60To89DaysPastDue


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value0.5381.5891.170.880.4420.43
Percentage of FinancingReceivableAmortizedCostBasis0.10.20.20.10.10.1

mfa:SeasonedPerformingLoans, mfa:SettledWholeLoans, us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDue


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value9.1238.7218.0318.7982.2971.874
Percentage of FinancingReceivableAmortizedCostBasis1.51.41.21.30.30.3

mfa:SingleFamilyRentalLoans, mfa:SettledWholeLoans, us-gaap:FinancingReceivables1To29DaysPastDue


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value386421415439444432
Percentage of FinancingReceivableAmortizedCostBasis63.465.461.762.661.262.0

mfa:SingleFamilyRentalLoans, mfa:SettledWholeLoans, us-gaap:FinancingReceivables30To59DaysPastDue


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value5.8584.5076.652162515
Percentage of FinancingReceivableAmortizedCostBasis1.00.71.02.33.52.3

mfa:SingleFamilyRentalLoans, mfa:SettledWholeLoans, us-gaap:FinancingReceivables60To89DaysPastDue


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value3.01.9353.9487.373122.047
Percentage of FinancingReceivableAmortizedCostBasis0.50.30.61.11.80.3

mfa:SingleFamilyRentalLoans, mfa:SettledWholeLoans, us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDue


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value22242016116.215
Percentage of FinancingReceivableAmortizedCostBasis3.73.73.02.31.60.9

mfa:FinancingReceivableAmortizedCostBasis us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

mfa:SettledWholeLoans