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  <xs:element id="ari_DebtInstrumentAmortizationPeriod" abstract="false" name="DebtInstrumentAmortizationPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ari_ManagementFeesMember" abstract="true" name="ManagementFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_TerminationFeePercentFeeOfBaseManagementFee" abstract="false" name="TerminationFeePercentFeeOfBaseManagementFee" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ari_HotelWashingtonD.C.Member" abstract="true" name="HotelWashingtonD.C.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_ReimbursementsMember" abstract="true" name="ReimbursementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_ScheduleofOutstandingMaximumandAverageBalancesofDebtTableTextBlock" abstract="false" name="ScheduleofOutstandingMaximumandAverageBalancesofDebtTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="ari_LoansandLeasesReceivableWeightedAverageRemainingTerm" abstract="false" name="LoansandLeasesReceivableWeightedAverageRemainingTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ari_ResidentialForSalePropertyManhattanNYMember" abstract="true" name="ResidentialForSalePropertyManhattanNYMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_DeferredFinancingCostsNetYetPaid" abstract="false" name="DeferredFinancingCostsNetYetPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_SecuredOvernightFinancingRateMember" abstract="true" name="SecuredOvernightFinancingRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_A2028TermLoanMember" abstract="true" name="A2028TermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_SecuritiesSoldUnderAgreementsToRepurchaseAmortizedCostOfCollateral" abstract="false" name="SecuritiesSoldUnderAgreementsToRepurchaseAmortizedCostOfCollateral" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_DebtInstrumentCovenantInterestCoverageRatioMaximum" abstract="false" name="DebtInstrumentCovenantInterestCoverageRatioMaximum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ari_RealEstateOwnedTransferToRealEstateOwnedHeldForSaleNet" abstract="false" name="RealEstateOwnedTransferToRealEstateOwnedHeldForSaleNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_DebtInstrumentsCovenantModificationFeesArrangementFees" abstract="false" name="DebtInstrumentsCovenantModificationFeesArrangementFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_OfficeBuildingLondonMember" abstract="true" name="OfficeBuildingLondonMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_DebtInstrumentCovenantLiquidityRatioRequiredMinimum" abstract="false" name="DebtInstrumentCovenantLiquidityRatioRequiredMinimum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ari_LossContingencyDamagesSoughtLossOnInvestmentValue" abstract="false" name="LossContingencyDamagesSoughtLossOnInvestmentValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_ResidentialManhattanNYMember" abstract="true" name="ResidentialManhattanNYMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_AllowanceForLoanAndLeaseLossesIncludingLoanSpecificRealEstateAndOffBalanceSheetCreditLossWriteOffs" abstract="false" name="AllowanceForLoanAndLeaseLossesIncludingLoanSpecificRealEstateAndOffBalanceSheetCreditLossWriteOffs" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_SeniorMezzanineLoansMember" abstract="true" name="SeniorMezzanineLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_NumberOfLoans" abstract="false" name="NumberOfLoans" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ari_GainLossFromUnconsolidatedJointVenture" abstract="false" name="GainLossFromUnconsolidatedJointVenture" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_GoldmanSachsRepurchaseFacilityMember" abstract="true" name="GoldmanSachsRepurchaseFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_FloatingRateLoanMember" abstract="true" name="FloatingRateLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingCashClassifiedWithinRealEstateOwnedHeldForSaleIncludingExchangeRateEffect" abstract="false" name="CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingCashClassifiedWithinRealEstateOwnedHeldForSaleIncludingExchangeRateEffect" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_JPMorganChaseDBRepurchaseFacilityGoldmanSachsCreditSuisseBarclaysFacilityHSBCFacilitiesAndBarclaysSecuritizationMember" abstract="true" name="JPMorganChaseDBRepurchaseFacilityGoldmanSachsCreditSuisseBarclaysFacilityHSBCFacilitiesAndBarclaysSecuritizationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_IncreaseInCashClassifiedWithinRealEstateOwnedHeldForSale" abstract="false" name="IncreaseInCashClassifiedWithinRealEstateOwnedHeldForSale" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_FinancingReceivableFundedCreditLossExpenseReversal" abstract="false" name="FinancingReceivableFundedCreditLossExpenseReversal" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_YearTwoMember" abstract="true" name="YearTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_RealEstateOwnedTransferToRealEstateOwnedHeldForSaleDeferredFeesAndOtherItems" abstract="false" name="RealEstateOwnedTransferToRealEstateOwnedHeldForSaleDeferredFeesAndOtherItems" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_TwentyTwentyNineNotesMember" abstract="true" name="TwentyTwentyNineNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_DebtInstrumentCovenantNetWorthThreshold" abstract="false" name="DebtInstrumentCovenantNetWorthThreshold" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_ParticipatingMortgageLoansParticipationLiabilitiesAmountIncreaseDecrease" abstract="false" name="ParticipatingMortgageLoansParticipationLiabilitiesAmountIncreaseDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_FinancingReceivableAllowanceForCreditLossLoanSpecificRealEstate" abstract="false" name="FinancingReceivableAllowanceForCreditLossLoanSpecificRealEstate" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_RepaymentsOfSecuredDebtAmortizingPercent" abstract="false" name="RepaymentsOfSecuredDebtAmortizingPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="ari_ConvertibleDebtTextBlock" abstract="false" name="ConvertibleDebtTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="ari_HotelAtlantaGAMember" abstract="true" name="HotelAtlantaGAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_DividendsPayableIncludingPreferredStockDividends" abstract="false" name="DividendsPayableIncludingPreferredStockDividends" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesOfRealEstateOwned" abstract="false" name="AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesOfRealEstateOwned" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_FinancialAsset30To80DaysPastDueMember" abstract="true" name="FinancialAsset30To80DaysPastDueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_ScheduleofMortgageLoansonRealEstateActivityTableTextBlock" abstract="false" name="ScheduleofMortgageLoansonRealEstateActivityTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="ari_RetailCenterCincinnatiOHMember" abstract="true" name="RetailCenterCincinnatiOHMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_RealEstateOwnedTransferToRealEstateOwnedHeldForSaleGross" abstract="false" name="RealEstateOwnedTransferToRealEstateOwnedHeldForSaleGross" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_FinancingReceivableNonaccrualOrCostRecoveryLoansWeightedAverageInterestRate" abstract="false" name="FinancingReceivableNonaccrualOrCostRecoveryLoansWeightedAverageInterestRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ari_ResidentialMember" abstract="true" name="ResidentialMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_MidwestMember" abstract="true" name="MidwestMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_LoansandLeasesReceivableDeferredIncomeUnrealizedGainOnForeignCurrencyTranslation" abstract="false" name="LoansandLeasesReceivableDeferredIncomeUnrealizedGainOnForeignCurrencyTranslation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_FinancingReceivableCostRecoveryNet" abstract="false" name="FinancingReceivableCostRecoveryNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_YearFourMember" abstract="true" name="YearFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_SeriesB1PreferredStockMember" abstract="true" name="SeriesB1PreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_MixedUsePropertyLondonMember" abstract="true" name="MixedUsePropertyLondonMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_TwoThousandNineteenand2022NotesMember" abstract="true" name="TwoThousandNineteenand2022NotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_HotelAnaheimCAMember" abstract="true" name="HotelAnaheimCAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_RelatedPartyTransactionAnnualManagementFeeRate" abstract="false" name="RelatedPartyTransactionAnnualManagementFeeRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ari_TotalTermLoansMember" abstract="true" name="TotalTermLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_AllowanceandProvisionforLoanCreditLossRollForward" abstract="true" name="AllowanceandProvisionforLoanCreditLossRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ari_OffBalanceSheetCreditLossLiabilityRealizedLoss" abstract="false" name="OffBalanceSheetCreditLossLiabilityRealizedLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedAndIssuedinPeriod" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedAndIssuedinPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ari_MortgageLoansonRealEstateCommitmenttoLendUnfundedAmount" abstract="false" name="MortgageLoansonRealEstateCommitmenttoLendUnfundedAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_YearFiveMember" abstract="true" name="YearFiveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_YearThreeMember" abstract="true" name="YearThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_LoanProceedsHeldByServicerNoncash" abstract="false" name="LoanProceedsHeldByServicerNoncash" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_JuniorMezzanineBLoanMember" abstract="true" name="JuniorMezzanineBLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_RealEstateOwnedOperatingCostsAndExpenses" abstract="false" name="RealEstateOwnedOperatingCostsAndExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_ParkingGarageMember" abstract="true" name="ParkingGarageMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_PaymentstoPurchaseSubordinateCommercialRealEstateLoansHeldforsaleAddonFunding" abstract="false" name="PaymentstoPurchaseSubordinateCommercialRealEstateLoansHeldforsaleAddonFunding" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_LoansAndLeasesReceivableWeightedAverageInterestRate" abstract="false" name="LoansAndLeasesReceivableWeightedAverageInterestRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ari_AccountsPayableAccruedLiabilitiesAndOtherLiabilities" abstract="false" name="AccountsPayableAccruedLiabilitiesAndOtherLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_LoanandLeasesReceivableGrossRollForward" abstract="true" name="LoanandLeasesReceivableGrossRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ari_TwoThousandTwentyTwoNotesMember" abstract="true" name="TwoThousandTwentyTwoNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_FinancingReceivableAllowanceForCreditLossIncludingLoanSpecificRealEstate" abstract="false" name="FinancingReceivableAllowanceForCreditLossIncludingLoanSpecificRealEstate" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_MidAtlanticMember" abstract="true" name="MidAtlanticMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_JPMorganChaseMember" abstract="true" name="JPMorganChaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_A2026TermLoanMember" abstract="true" name="A2026TermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_FinancingReceivableGeneralAllowanceCreditLossExpenseReversal" abstract="false" name="FinancingReceivableGeneralAllowanceCreditLossExpenseReversal" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_MultifamilyDevelopmentBrooklynNYMember" abstract="true" name="MultifamilyDevelopmentBrooklynNYMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_JPMorganChaseDBRepurchaseFacilityGoldmanSachsCreditSuisseBarclaysFacilityAndHSBCFacilitiesMember" abstract="true" name="JPMorganChaseDBRepurchaseFacilityGoldmanSachsCreditSuisseBarclaysFacilityAndHSBCFacilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_OfficeLondonUnitedKingdomMember" abstract="true" name="OfficeLondonUnitedKingdomMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_AdditionsToParticipationSold" abstract="false" name="AdditionsToParticipationSold" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_DebtSecuritiesAvailableForSaleImpairmentAndRealizedLoss" abstract="false" name="DebtSecuritiesAvailableForSaleImpairmentAndRealizedLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_RepaymentOfMortgageRelatedToRealEstateOwnedHeldForInvestment" abstract="false" name="RepaymentOfMortgageRelatedToRealEstateOwnedHeldForInvestment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_RealEstateAndMezzanineMember" abstract="true" name="RealEstateAndMezzanineMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_EquityContributionRate" abstract="false" name="EquityContributionRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ari_DebtInstrumentCovenantUnencumberedLiquidityThreshold" abstract="false" name="DebtInstrumentCovenantUnencumberedLiquidityThreshold" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_AllowanceForLoanAndLeaseLossesRealEstateAndOffBalanceSheetCreditLossLiabilityPercentOfAmortizedCost" abstract="false" name="AllowanceForLoanAndLeaseLossesRealEstateAndOffBalanceSheetCreditLossLiabilityPercentOfAmortizedCost" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ari_AllowanceForLoanAndLeaseLossesRealEstateAndOffBalanceSheetWriteOffs" abstract="false" name="AllowanceForLoanAndLeaseLossesRealEstateAndOffBalanceSheetWriteOffs" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_IncreaseDecreaseinAccountsPayableAccruedLiabilitiesandOtherLiabilities" abstract="false" name="IncreaseDecreaseinAccountsPayableAccruedLiabilitiesandOtherLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_DebtInstrumentRecourseDebtPercent" abstract="false" name="DebtInstrumentRecourseDebtPercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ari_LoanandLeasesReceivableDeferredincomeRollForward" abstract="true" name="LoanandLeasesReceivableDeferredincomeRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ari_ArrangementFeesMember" abstract="true" name="ArrangementFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_LoansandLeasesReceivableGrossPaidinKindInterestLoanCommitmentandOriginationFeesandDiscountsorPremiumsAmortization" abstract="false" name="LoansandLeasesReceivableGrossPaidinKindInterestLoanCommitmentandOriginationFeesandDiscountsorPremiumsAmortization" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_GuarantorObligationsMaximumExposureTerm" abstract="false" name="GuarantorObligationsMaximumExposureTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ari_AllowanceForLoanAndLeaseLossesIncludingLoanSpecificRealEstateAndOffBalanceSheetCreditLossLiability" abstract="false" name="AllowanceForLoanAndLeaseLossesIncludingLoanSpecificRealEstateAndOffBalanceSheetCreditLossLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_DeutscheBankRepurchaseFacilityMember" abstract="true" name="DeutscheBankRepurchaseFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_DebtInstrumentsCovenantModificationFees" abstract="false" name="DebtInstrumentsCovenantModificationFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_SoutheastMember" abstract="true" name="SoutheastMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_OffBalanceSheetCreditLossLiabilityTransfers" abstract="false" name="OffBalanceSheetCreditLossLiabilityTransfers" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_DebtInstrumentCovenantLiquidityRequiredMinimumAmount" abstract="false" name="DebtInstrumentCovenantLiquidityRequiredMinimumAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_DebtInstrumentCovenantRecourseDebtToTangibleNetWorthRatioMaximum" abstract="false" name="DebtInstrumentCovenantRecourseDebtToTangibleNetWorthRatioMaximum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="ari_AllowanceForLoanAndLeaseLossesIncludingLoanSpecificRealEstateAndOffBalanceSheetCreditLossExpenseReversal" abstract="false" name="AllowanceForLoanAndLeaseLossesIncludingLoanSpecificRealEstateAndOffBalanceSheetCreditLossExpenseReversal" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_MultifamilyPortfolioMember" abstract="true" name="MultifamilyPortfolioMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_FinancingReceivableAllowanceforCreditLossAndOffBalanceSheetLiabilityCreditLossTableTextBlock" abstract="false" name="FinancingReceivableAllowanceforCreditLossAndOffBalanceSheetLiabilityCreditLossTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="ari_NetIncomeLossAttributabletoParentBasic" abstract="false" name="NetIncomeLossAttributabletoParentBasic" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_JointVentureMember" abstract="true" name="JointVentureMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_IncreaseDecreaseFromPaidInKind" abstract="false" name="IncreaseDecreaseFromPaidInKind" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_FinancingReceivableFundedAllowanceForWriteOffs" abstract="false" name="FinancingReceivableFundedAllowanceForWriteOffs" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_FinancingReceivableLoanSpecificCreditLossExpenseReversalNetOfPreviouslyRecordedAmount" abstract="false" name="FinancingReceivableLoanSpecificCreditLossExpenseReversalNetOfPreviouslyRecordedAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_FinancingReceivableCostRecoveryTableTextBlock" abstract="false" name="FinancingReceivableCostRecoveryTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="ari_CommercialMortgagePortfolioSegmentMember" abstract="true" name="CommercialMortgagePortfolioSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_TransferofProceedsBorrowedUnderSecuredCreditFacilities" abstract="false" name="TransferofProceedsBorrowedUnderSecuredCreditFacilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_ProceedsfromCollectionofCommercialRealEstateLoansHeldforsale" abstract="false" name="ProceedsfromCollectionofCommercialRealEstateLoansHeldforsale" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_PaymentstoPurchaseLoansHeldforsaleAddonFunding" abstract="false" name="PaymentstoPurchaseLoansHeldforsaleAddonFunding" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_ProceedsFromSecuritiesSoldUnderAgreementsToRepurchase" abstract="false" name="ProceedsFromSecuritiesSoldUnderAgreementsToRepurchase" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_DebtInstrumentAdvanceRate" abstract="false" name="DebtInstrumentAdvanceRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ari_NortheastMember" abstract="true" name="NortheastMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_FinancingReceivableFundedAllowanceforCreditLossRollForward" abstract="true" name="FinancingReceivableFundedAllowanceforCreditLossRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ari_AmendedandRestatedJPMorganFacilityMember" abstract="true" name="AmendedandRestatedJPMorganFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_PaymentstoPurchaseCommercialRealEstateLoansHeldforsaleAddonFunding" abstract="false" name="PaymentstoPurchaseCommercialRealEstateLoansHeldforsaleAddonFunding" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_FinancingReceivableGeneralAllowanceAllowanceforCreditLossRollForward" abstract="true" name="FinancingReceivableGeneralAllowanceAllowanceforCreditLossRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ari_DebtInstrumentPariuPassuRatio" abstract="false" name="DebtInstrumentPariuPassuRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="ari_RealEstateOwnedNetOfImpairment" abstract="false" name="RealEstateOwnedNetOfImpairment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_RealEstateOwnedTransferToHeldForSaleHeldForSaleNet" abstract="false" name="RealEstateOwnedTransferToHeldForSaleHeldForSaleNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_SouthwestMember" abstract="true" name="SouthwestMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_DebtInstrumentDecreaseInParticipatingInterest" abstract="false" name="DebtInstrumentDecreaseInParticipatingInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_SeniorAndJuniorMezzanineLoansMember" abstract="true" name="SeniorAndJuniorMezzanineLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_LoansandLeasesReceivableDeferredIncomeUnamortizedLoanCommitmentandOriginationFeesandUnamortizedDiscountsorPremiumsPeriodIncrease" abstract="false" name="LoansandLeasesReceivableDeferredIncomeUnamortizedLoanCommitmentandOriginationFeesandUnamortizedDiscountsorPremiumsPeriodIncrease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_ScheduleofMortgageLoansonRealEstateTableTextBlock" abstract="false" name="ScheduleofMortgageLoansonRealEstateTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="ari_LoansandLeasesReceivableNetDeferredIncomePIKInterestLoanCommitmentandOriginationFeesandDiscountsorPremiumsAmortization" abstract="false" name="LoansandLeasesReceivableNetDeferredIncomePIKInterestLoanCommitmentandOriginationFeesandDiscountsorPremiumsAmortization" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_PercentageOfPortfolio" abstract="false" name="PercentageOfPortfolio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="ari_DebtRelatedToRealEstateOwnedHeldForSale" abstract="false" name="DebtRelatedToRealEstateOwnedHeldForSale" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_OtherAssetsFromRealEstate" abstract="false" name="OtherAssetsFromRealEstate" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_CreditSuisseFacilityMember" abstract="true" name="CreditSuisseFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_UrbanRetailMember" abstract="true" name="UrbanRetailMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_EURLondonInterbankOfferedRateLIBORMember" abstract="true" name="EURLondonInterbankOfferedRateLIBORMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_DebtInstrumentNumberOfOfferings" abstract="false" name="DebtInstrumentNumberOfOfferings" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ari_MiamiFLMember" abstract="true" name="MiamiFLMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_NewYorkCityMember" abstract="true" name="NewYorkCityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_DebtInstrumentCovenantTangibleNetWorthPercentage" abstract="false" name="DebtInstrumentCovenantTangibleNetWorthPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ari_DebtInstrumentWeightedAverageHaircutUnderRepurchaseAgreements" abstract="false" name="DebtInstrumentWeightedAverageHaircutUnderRepurchaseAgreements" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ari_OfficeMember" abstract="true" name="OfficeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_GBPLondonInterbankOfferedRateLIBORMember" abstract="true" name="GBPLondonInterbankOfferedRateLIBORMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_FinancingReceivableCostRecovery" abstract="false" name="FinancingReceivableCostRecovery" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_MortgageLoansOnRealEstateCommercialAndConsumerPercentageOfPortfolio" abstract="false" name="MortgageLoansOnRealEstateCommercialAndConsumerPercentageOfPortfolio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ari_FinancingReceivableTotalAllowanceforCreditLossRollForward" abstract="true" name="FinancingReceivableTotalAllowanceforCreditLossRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ari_OtherGeographicLocationsMember" abstract="true" name="OtherGeographicLocationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_FinancingReceivableFundedAllowanceforCreditLoss" abstract="false" name="FinancingReceivableFundedAllowanceforCreditLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_IncreaseDecreaseInRealEstateHeldForInvestment" abstract="false" name="IncreaseDecreaseInRealEstateHeldForInvestment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_LoansAndLeasesReceivableWeightedAverageExpectedMaturity" abstract="false" name="LoansAndLeasesReceivableWeightedAverageExpectedMaturity" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ari_LoanandLeasesReceivableNetRollForward" abstract="true" name="LoanandLeasesReceivableNetRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ari_TurnerConsultingMember" abstract="true" name="TurnerConsultingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_RestructuringOfSubordinateLoanToCommercialMortgageLoan" abstract="false" name="RestructuringOfSubordinateLoanToCommercialMortgageLoan" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_RelatedpartyTransactionTerminationNoticePeriod" abstract="false" name="RelatedpartyTransactionTerminationNoticePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ari_DebtRelatedToRealEstateOwnedHeldForInvestment" abstract="false" name="DebtRelatedToRealEstateOwnedHeldForInvestment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_MeasurementInputTerminalCapitalizationRateMember" abstract="true" name="MeasurementInputTerminalCapitalizationRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_A2009EquityIncentivePlanLTIPMember" abstract="true" name="A2009EquityIncentivePlanLTIPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_NumberOfIndependentDirectorsRequiredToTerminateManagementAgreement" abstract="false" name="NumberOfIndependentDirectorsRequiredToTerminateManagementAgreement" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ari_FinancingReceivableCostRecoveryInterestReceived" abstract="false" name="FinancingReceivableCostRecoveryInterestReceived" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_JuniorMezzanineALoanMember" abstract="true" name="JuniorMezzanineALoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_ProceedsFromMortgageRelatedToRealEstateOwned" abstract="false" name="ProceedsFromMortgageRelatedToRealEstateOwned" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_OtherEuropeMember" abstract="true" name="OtherEuropeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_LoansAndLeasesReceivableWeightedAverageRiskRating" abstract="false" name="LoansAndLeasesReceivableWeightedAverageRiskRating" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="ari_NumberOfCreditFacilities" abstract="false" name="NumberOfCreditFacilities" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ari_SEKLondonInterbankOfferedRateLIBORMember" abstract="true" name="SEKLondonInterbankOfferedRateLIBORMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedtoVest" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedtoVest" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ari_ScheduleofLoansReceivableStatisticsTableTextBlock" abstract="false" name="ScheduleofLoansReceivableStatisticsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="ari_CommonStockAllClassesMember" abstract="true" name="CommonStockAllClassesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_MixedUseMember" abstract="true" name="MixedUseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_TwoThousandTwentyThreeNotesMember" abstract="true" name="TwoThousandTwentyThreeNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_CaravanParkMember" abstract="true" name="CaravanParkMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_RelatedPartyTransactionTerminationFeeCalculationPeriod" abstract="false" name="RelatedPartyTransactionTerminationFeeCalculationPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ari_RealEstateHeldForSaleImpairment" abstract="false" name="RealEstateHeldForSaleImpairment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_DebtInstrumentCovenantUnencumberedAssetsToPariPassuIndebtednessRatioMaximum" abstract="false" name="DebtInstrumentCovenantUnencumberedAssetsToPariPassuIndebtednessRatioMaximum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="ari_LoansandLeasesReceivableGrossForeignCurrencyGainLoss" abstract="false" name="LoansandLeasesReceivableGrossForeignCurrencyGainLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_DebtInstrumentExtensionOptionTerm" abstract="false" name="DebtInstrumentExtensionOptionTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ari_FinancingReceivableLoanSpecificCreditLossExpenseReversal" abstract="false" name="FinancingReceivableLoanSpecificCreditLossExpenseReversal" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_DebtInstrumentRemainingUnfundedCommitment" abstract="false" name="DebtInstrumentRemainingUnfundedCommitment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_LiabilitiesRelatedToRealEstateOwnedHeldForInvestment" abstract="false" name="LiabilitiesRelatedToRealEstateOwnedHeldForInvestment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_UrbanPredevelopmentMiamiFLMember" abstract="true" name="UrbanPredevelopmentMiamiFLMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_JVPartnerMember" abstract="true" name="JVPartnerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_AllowanceForLoanAndLeaseLossesRealEstateAndOffBalanceSheetCreditLossLiability" abstract="false" name="AllowanceForLoanAndLeaseLossesRealEstateAndOffBalanceSheetCreditLossLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_InterestandFeeIncomeLoansSubordinateCommercialRealEstate" abstract="false" name="InterestandFeeIncomeLoansSubordinateCommercialRealEstate" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_DebtInstrumentDiscountRateAtIssuanceOfFaceValue" abstract="false" name="DebtInstrumentDiscountRateAtIssuanceOfFaceValue" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ari_BarclaysSecuritizationMember" abstract="true" name="BarclaysSecuritizationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_DebtInstrumentWaivingOfDebtServicePaymentsTerm" abstract="false" name="DebtInstrumentWaivingOfDebtServicePaymentsTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ari_DebtInstrumentCurrencyConversionRate" abstract="false" name="DebtInstrumentCurrencyConversionRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="ari_DebtInstrumentsCovenantModificationFeesConsentFees" abstract="false" name="DebtInstrumentsCovenantModificationFeesConsentFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_AllowanceForLoanAndLeaseLossesRealEstateAndOffBalanceSheetCreditLossExpenseReversal" abstract="false" name="AllowanceForLoanAndLeaseLossesRealEstateAndOffBalanceSheetCreditLossExpenseReversal" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_PaymentsForMortgageLoans" abstract="false" name="PaymentsForMortgageLoans" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_InterestExpenseDebtNoncash" abstract="false" name="InterestExpenseDebtNoncash" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_SantanderFacilityMember" abstract="true" name="SantanderFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_LoansandLeasesReceivableDeferredIncomePeriodIncrease" abstract="false" name="LoansandLeasesReceivableDeferredIncomePeriodIncrease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_FinancingReceivableBasisSpreadOnVariableRate" abstract="false" name="FinancingReceivableBasisSpreadOnVariableRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ari_UrbanPredevelopmentMember" abstract="true" name="UrbanPredevelopmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_ApolloInvestmentManagementEuropeMember" abstract="true" name="ApolloInvestmentManagementEuropeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_FinancingReceivableUnfundedAllowanceforCreditLossRollForward" abstract="true" name="FinancingReceivableUnfundedAllowanceforCreditLossRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ari_FinancingReceivableDefaultInterestRate" abstract="false" name="FinancingReceivableDefaultInterestRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ari_MezzanineLoansMember" abstract="true" name="MezzanineLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_WestMember" abstract="true" name="WestMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_GainLossInCollateralHeldInvestingActivities" abstract="false" name="GainLossInCollateralHeldInvestingActivities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_RealizedLossesAndImpairmentsOnInvestmentsAndRealEstateOwned" abstract="false" name="RealizedLossesAndImpairmentsOnInvestmentsAndRealEstateOwned" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_ProceedsFromSaleOfLoansHeldForSaleReclassifiedIntoOtherAssets" abstract="false" name="ProceedsFromSaleOfLoansHeldForSaleReclassifiedIntoOtherAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_RelatedPartyTransactionExtensionPeriod" abstract="false" name="RelatedPartyTransactionExtensionPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ari_MUFGFacilityMember" abstract="true" name="MUFGFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ari_PaymentsForSecuritiesSoldUnderAgreementsToRepurchase" abstract="false" name="PaymentsForSecuritiesSoldUnderAgreementsToRepurchase" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_AllowanceForLoanAndLeaseLossesRealEstateAndOffBalanceSheetCreditLossLiabilityPeriodIncreaseDecreaseNetOfTransfers" abstract="false" name="AllowanceForLoanAndLeaseLossesRealEstateAndOffBalanceSheetCreditLossLiabilityPeriodIncreaseDecreaseNetOfTransfers" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_LoansandLeasesReceivableDeferredIncomeAmortization" abstract="false" name="LoansandLeasesReceivableDeferredIncomeAmortization" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ari_LoansAndLeasesReceivableNumberOfContracts" abstract="false" name="LoansAndLeasesReceivableNumberOfContracts" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ari_NumberOfMortgageLoans" abstract="false" name="NumberOfMortgageLoans" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ari_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccountsPayableAccruedLiabilitiesAndOtherLiabilities" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccountsPayableAccruedLiabilitiesAndOtherLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
