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  <element name="DeferredFinancingCostsNotYetPaid" id="ari_DeferredFinancingCostsNotYetPaid" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DeferredFinancingCostsPolicyTextBlock" id="ari_DeferredFinancingCostsPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DeferredUnderwritingFeePayable" id="ari_DeferredUnderwritingFeePayable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DeferredUnderwritingFeePayableToManager" id="ari_DeferredUnderwritingFeePayableToManager" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DerivativeInstrumentsAndHedgingActivitiesPolicyTextBlock" id="ari_DerivativeInstrumentsAndHedgingActivitiesPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureAmortizedCostAndEstimatedFairValueAbstract" id="ari_DisclosureAmortizedCostAndEstimatedFairValueAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureBasicAndDilutedNetIncomePerShareOfCommonStockUsingTwoClassMethodAbstract" id="ari_DisclosureBasicAndDilutedNetIncomePerShareOfCommonStockUsingTwoClassMethodAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureBorrowingsAdditionalInformationAbstract" id="ari_DisclosureBorrowingsAdditionalInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureCarryingValueAndEstimatedFairValueOfCompanysFinancialInstrumentsAbstract" id="ari_DisclosureCarryingValueAndEstimatedFairValueOfCompanysFinancialInstrumentsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureCommercialMortgageLoanPortfolioAbstract" id="ari_DisclosureCommercialMortgageLoanPortfolioAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureCommercialMortgageLoansAdditionalInformationAbstract" id="ari_DisclosureCommercialMortgageLoansAdditionalInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureCommitmentsAndContingenciesAdditionalInformationAbstract" id="ari_DisclosureCommitmentsAndContingenciesAdditionalInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureCompanysDerivativeInstrumentsWeightedAverageMaturitiesAndInterestRatesAbstract" id="ari_DisclosureCompanysDerivativeInstrumentsWeightedAverageMaturitiesAndInterestRatesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureCompanysSubordinateLoanPortfolioAbstract" id="ari_DisclosureCompanysSubordinateLoanPortfolioAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureDebtSecuritiesAdditionalInformationAbstract" id="ari_DisclosureDebtSecuritiesAdditionalInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureNetIncomeLossPerShareAdditionalInformationAbstract" id="ari_DisclosureNetIncomeLossPerShareAdditionalInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureOrganizationAdditionalInformationAbstract" id="ari_DisclosureOrganizationAdditionalInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureOverallStatisticsForCompanysAaaRatedCmbsInvestmentsCalculatedOnWeightedAverageBasisAbstract" id="ari_DisclosureOverallStatisticsForCompanysAaaRatedCmbsInvestmentsCalculatedOnWeightedAverageBasisAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosurePercentageVintagePropertyTypeAndLocationOfCollateralSecuringCompanysAAARatedCMBSInvestmentsCalculatedOnWeightedAverageBasisAbstract" id="ari_DisclosurePercentageVintagePropertyTypeAndLocationOfCollateralSecuringCompanysAAARatedCMBSInvestmentsCalculatedOnWeightedAverageBasisAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureRelatedPartyTransactionsAdditionalInformationAbstract" id="ari_DisclosureRelatedPartyTransactionsAdditionalInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureRemainingMaturitiesOfBorrowingsAbstract" id="ari_DisclosureRemainingMaturitiesOfBorrowingsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureRepurchaseAgreementAdditionalInformationAbstract" id="ari_DisclosureRepurchaseAgreementAdditionalInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureScheduleIVMortgageLoansOnRealEstateAbstract" id="ari_DisclosureScheduleIVMortgageLoansOnRealEstateAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureScheduleIVMortgageLoansOnRealEstateSummaryOfChangesInCarryingAmountsOfMortgageLoansAbstract" id="ari_DisclosureScheduleIVMortgageLoansOnRealEstateSummaryOfChangesInCarryingAmountsOfMortgageLoansAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureScheduleOfSummarizedQuarterlyResultsAbstract" id="ari_DisclosureScheduleOfSummarizedQuarterlyResultsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureShareBasedPaymentsAdditionalInformationAbstract" id="ari_DisclosureShareBasedPaymentsAdditionalInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureStockholdersEquityAdditionalInformationAbstract" id="ari_DisclosureStockholdersEquityAdditionalInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureStockholdersEquityCommonStockAbstract" id="ari_DisclosureStockholdersEquityCommonStockAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureStockholdersEquityPreferredStockAbstract" id="ari_DisclosureStockholdersEquityPreferredStockAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureSubordinateLoansAdditionalInformationAbstract" id="ari_DisclosureSubordinateLoansAdditionalInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureSubsequentEventsAdditionalInformationAbstract" id="ari_DisclosureSubsequentEventsAdditionalInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureSummarizesLevelsInFairValueHierarchyOfFinancialInstrumentsAbstract" id="ari_DisclosureSummarizesLevelsInFairValueHierarchyOfFinancialInstrumentsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureSummaryOfAmountsRecognizedOnConsolidatedStatementsOfOperationsRelatedToCompanysDerivativesAbstract" id="ari_DisclosureSummaryOfAmountsRecognizedOnConsolidatedStatementsOfOperationsRelatedToCompanysDerivativesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureSummaryOfGrantsExchangesAndForfeituresOfRestrictedStockAndRSUsAbstract" id="ari_DisclosureSummaryOfGrantsExchangesAndForfeituresOfRestrictedStockAndRSUsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureSummaryOfOutstandingBalancesMaximumAndAverageBalancesOfBorrowingsAbstract" id="ari_DisclosureSummaryOfOutstandingBalancesMaximumAndAverageBalancesOfBorrowingsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureSummaryOfRestrictedStockAndRSUVestingDatesAbstract" id="ari_DisclosureSummaryOfRestrictedStockAndRSUVestingDatesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationAbstract" id="ari_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureWeightedAverageMaturitiesAndInterestRatesOfBorrowingsAbstract" id="ari_DisclosureWeightedAverageMaturitiesAndInterestRatesOfBorrowingsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DistributableEarnings" id="ari_DistributableEarnings" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DividendEightMember" id="ari_DividendEightMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DividendFiveMember" id="ari_DividendFiveMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DividendFourMember" id="ari_DividendFourMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DividendOneMember" id="ari_DividendOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DividendSevenMember" id="ari_DividendSevenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DividendSixMember" id="ari_DividendSixMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DividendThreeMember" id="ari_DividendThreeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DividendTwoMember" id="ari_DividendTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DocumentDocumentAndEntityInformationAbstract" id="ari_DocumentDocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EarningsPerShareLineItems" id="ari_EarningsPerShareLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EarningsPerShareTable" id="ari_EarningsPerShareTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ExchangeDateJulyTwoThousandTenMember" id="ari_ExchangeDateJulyTwoThousandTenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ExchangeDateMarchTwoThousandTenMember" id="ari_ExchangeDateMarchTwoThousandTenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ExpensesRelatedToReimbursements" id="ari_ExpensesRelatedToReimbursements" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ExtensionFeesAsPercentageOfAggregateOutstandingRepurchasePrice" id="ari_ExtensionFeesAsPercentageOfAggregateOutstandingRepurchasePrice" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ExtensionFeesAsPercentageOfOutstandingBalance" id="ari_ExtensionFeesAsPercentageOfOutstandingBalance" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ExtensionOptions" id="ari_ExtensionOptions" type="xbrli:stringItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FairValueOptionElectionPolicyTextBlock" id="ari_FairValueOptionElectionPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FeePaymentForExtensions" id="ari_FeePaymentForExtensions" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FinancingFunded" id="ari_FinancingFunded" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FirstMortgageLoan" id="ari_FirstMortgageLoan" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FirstMortgageLoanFeePercentage" id="ari_FirstMortgageLoanFeePercentage" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FirstYearMember" id="ari_FirstYearMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FiveMortgageMember" id="ari_FiveMortgageMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FollowOnPublicOfferingMember" id="ari_FollowOnPublicOfferingMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ForfeitureDateAugustTwoThousandTenMember" id="ari_ForfeitureDateAugustTwoThousandTenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ForfeitureDateDecemberTwoThousandElevenMember" id="ari_ForfeitureDateDecemberTwoThousandElevenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ForfeitureDateFebruaryTwoThousandTwelveMember" id="ari_ForfeitureDateFebruaryTwoThousandTwelveMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ForfeitureDateNovemberTwoThousandTenMember" id="ari_ForfeitureDateNovemberTwoThousandTenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GrantDateAprilTwoThousandElevenMember" id="ari_GrantDateAprilTwoThousandElevenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GrantDateAprilTwoThousandTenMember" id="ari_GrantDateAprilTwoThousandTenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GrantDateAprilTwoThousandTwelveMember" id="ari_GrantDateAprilTwoThousandTwelveMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GrantDateAugustTwoThousandElevenMember" id="ari_GrantDateAugustTwoThousandElevenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GrantDateAugustTwoThousandTwelveMember" id="ari_GrantDateAugustTwoThousandTwelveMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GrantDateDecemberTwoThousandTenMember" id="ari_GrantDateDecemberTwoThousandTenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GrantDateJulyTwoThousandTenMember" id="ari_GrantDateJulyTwoThousandTenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GrantDateMarchTwoThousandTwelveMember" id="ari_GrantDateMarchTwoThousandTwelveMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="HiltonFairValueOptionMember" id="ari_HiltonFairValueOptionMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="HotelNewYorkMember" id="ari_HotelNewYorkMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="HotelNewYorkSecondMember" id="ari_HotelNewYorkSecondMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="HotelNewYorkThirdMember" id="ari_HotelNewYorkThirdMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="HotelPortfolioNewYorkMember" id="ari_HotelPortfolioNewYorkMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="HotelPortfolioVariousMember" id="ari_HotelPortfolioVariousMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ImpairedLoansPolicyTextBlock" id="ari_ImpairedLoansPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IncreasedBorrowingsRelatedToCollateral" id="ari_IncreasedBorrowingsRelatedToCollateral" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IncreasedMaximumPermittedBorrowing" id="ari_IncreasedMaximumPermittedBorrowing" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InterestIncomeRecognitionPolicyPolicyTextBlock" id="ari_InterestIncomeRecognitionPolicyPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InterestRateForPrincipalRepaymentsThatOccurPriorToTwentyFirstMonthAreSubjectToMakeWholeProvision" id="ari_InterestRateForPrincipalRepaymentsThatOccurPriorToTwentyFirstMonthAreSubjectToMakeWholeProvision" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InterestRateSwapsNotionalAmount" id="ari_InterestRateSwapsNotionalAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InterestReceivedOnMakeWholeProvisionOfRepurchaseAgreement" id="ari_InterestReceivedOnMakeWholeProvisionOfRepurchaseAgreement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InterimReportingLineItems" id="ari_InterimReportingLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InterimReportingTable" id="ari_InterimReportingTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="InvestmentExtensionOptionDescription" id="ari_InvestmentExtensionOptionDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InvestmentRepurchaseAgreementAmount" id="ari_InvestmentRepurchaseAgreementAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InvestmentsInDebtAndEquitySecuritiesPolicyTextBlock" id="ari_InvestmentsInDebtAndEquitySecuritiesPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InvestmentsMaturityDate" id="ari_InvestmentsMaturityDate" type="us-types:dateStringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InvestmentUnderRepurchaseFacilityAccrualInterestRate" id="ari_InvestmentUnderRepurchaseFacilityAccrualInterestRate" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InvestmentUnderRepurchaseFacilityCurrentPayInterestRate" id="ari_InvestmentUnderRepurchaseFacilityCurrentPayInterestRate" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InvestmentUnderRepurchaseFacilityInterestRate" id="ari_InvestmentUnderRepurchaseFacilityInterestRate" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="JpmorganFacilityBorrowingsMember" id="ari_JpmorganFacilityBorrowingsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="JuniorMezzRetailVariousMember" id="ari_JuniorMezzRetailVariousMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LiborFloorPercentageRate" id="ari_LiborFloorPercentageRate" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LiborFloorRate" id="ari_LiborFloorRate" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LiborRate" id="ari_LiborRate" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LineOfCreditFacilityExtendedMaturityDate" id="ari_LineOfCreditFacilityExtendedMaturityDate" type="us-types:dateStringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LoanExitFeesPercentage" id="ari_LoanExitFeesPercentage" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LoanExtensionFees" id="ari_LoanExtensionFees" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LoanExtensionFeeValue" id="ari_LoanExtensionFeeValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LoanFacilityExitFee" id="ari_LoanFacilityExitFee" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LoanFacilityMaturity" id="ari_LoanFacilityMaturity" type="us-types:dateStringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LoansHeldForInvestmentCurrentFaceAmount" id="ari_LoansHeldForInvestmentCurrentFaceAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LoansHeldForSaleCommercialRealEstateFairValueDisclosure" id="ari_LoansHeldForSaleCommercialRealEstateFairValueDisclosure" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LoansHeldForSaleMortgagesFairValueDisclosure" id="ari_LoansHeldForSaleMortgagesFairValueDisclosure" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LoansHeldForSaleOtherFairValueDisclosure" id="ari_LoansHeldForSaleOtherFairValueDisclosure" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LoansPolicyTextBlock" id="ari_LoansPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LoanToNetSellout" id="ari_LoanToNetSellout" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ManagementFeesToRelatedParties" id="ari_ManagementFeesToRelatedParties" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ManhattanMember" id="ari_ManhattanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MarylandMember" id="ari_MarylandMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MassachusettsMember" id="ari_MassachusettsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MaximumPermittedBorrowing" id="ari_MaximumPermittedBorrowing" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MezzanineLoan" id="ari_MezzanineLoan" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MezzanineLoanMember" id="ari_MezzanineLoanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MezzanineLoansIncreaseInInterestRatePercentage" id="ari_MezzanineLoansIncreaseInInterestRatePercentage" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MezzanineLoansInterestRate" id="ari_MezzanineLoansInterestRate" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MezzanineLoanTerm" id="ari_MezzanineLoanTerm" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MichiganMember" id="ari_MichiganMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MiddleAtlanticMember" id="ari_MiddleAtlanticMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MinimumLiquidityUnderCovenantsTerm" id="ari_MinimumLiquidityUnderCovenantsTerm" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MinnesotaMember" id="ari_MinnesotaMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MissouriMember" id="ari_MissouriMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MixedUseMember" id="ari_MixedUseMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MixedUseNorthCarolinaMember" id="ari_MixedUseNorthCarolinaMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MortgageBackedSecuritiesFaceAmount" id="ari_MortgageBackedSecuritiesFaceAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MortgageLoansBasisSpreadOnVariableRate" id="ari_MortgageLoansBasisSpreadOnVariableRate" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MortgageLoansOnRealEstateAccretionOfDiscount" id="ari_MortgageLoansOnRealEstateAccretionOfDiscount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MortgageLoansOnRealEstateLoanPeriod" id="ari_MortgageLoansOnRealEstateLoanPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MultiFamilyAndCommercialMember" id="ari_MultiFamilyAndCommercialMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NetIncomeBeforeTaxUnderCovenantTerms" id="ari_NetIncomeBeforeTaxUnderCovenantTerms" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NetProceedsFromIssuanceOfInitialPublicOfferingAfterDeductingUnderwritingDiscountsAndCommissionsAndOfferingCosts" id="ari_NetProceedsFromIssuanceOfInitialPublicOfferingAfterDeductingUnderwritingDiscountsAndCommissionsAndOfferingCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NetProceedsFromPrivateOfferingBeforeOfferingExpenses" id="ari_NetProceedsFromPrivateOfferingBeforeOfferingExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NetProceedsPerShareFromPrivateOfferingBeforeOfferingExpenses" id="ari_NetProceedsPerShareFromPrivateOfferingBeforeOfferingExpenses" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NewYorkMember" id="ari_NewYorkMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NorthCarolinaMember" id="ari_NorthCarolinaMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NoticePeriodOfTermination" id="ari_NoticePeriodOfTermination" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfDebtPositionInCdoBond" id="ari_NumberOfDebtPositionInCdoBond" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfHotelSegments" id="ari_NumberOfHotelSegments" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfPatientsTreated" id="ari_NumberOfPatientsTreated" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfSharesOfCommonStockIssuedDuringPeriodAsResultOfEquityUnitsExercised" id="ari_NumberOfSharesOfCommonStockIssuedDuringPeriodAsResultOfEquityUnitsExercised" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OfficeComplexMember" id="ari_OfficeComplexMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OfficeCondoMember" id="ari_OfficeCondoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OfficeMember" id="ari_OfficeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OfficeMichiganMember" id="ari_OfficeMichiganMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OfficeTroyMember" id="ari_OfficeTroyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OriginationFeePercentage" id="ari_OriginationFeePercentage" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PacificMember" id="ari_PacificMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ParentCompanyGuaranteesOnSubsidiary" id="ari_ParentCompanyGuaranteesOnSubsidiary" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PayableForOfferingCosts" id="ari_PayableForOfferingCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PaymentOfDeferredUnderwritingFee" id="ari_PaymentOfDeferredUnderwritingFee" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PaymentsForFundingOfLoansHeldForSaleOther" id="ari_PaymentsForFundingOfLoansHeldForSaleOther" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PaymentsForSecuritiesSoldUnderAgreementsToRepurchase" id="ari_PaymentsForSecuritiesSoldUnderAgreementsToRepurchase" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PaymentsOfPreferredStockDividends" id="ari_PaymentsOfPreferredStockDividends" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PaymentsToAcquireMortgageBackedSecurities" id="ari_PaymentsToAcquireMortgageBackedSecurities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PaymentsToAcquireSecuritiesHeldAsCollateralAtFairValue" id="ari_PaymentsToAcquireSecuritiesHeldAsCollateralAtFairValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PaymentsToPurchaseLoansHeldForSaleCommercialRealEstate" id="ari_PaymentsToPurchaseLoansHeldForSaleCommercialRealEstate" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfDebtYield" id="ari_PercentageOfDebtYield" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfFaceAmountOfCdoBond" id="ari_PercentageOfFaceAmountOfCdoBond" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfGuarantee" id="ari_PercentageOfGuarantee" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfOwnership" id="ari_PercentageOfOwnership" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfRealEstateInvestmentTrustTaxableIncomeToShareholders" id="ari_PercentageOfRealEstateInvestmentTrustTaxableIncomeToShareholders" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageVintage" id="ari_PercentageVintage" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentOfPotentialRelativeTotalReturnToShareholdersComponentEarnedIfCumulativeAbsoluteTotalReturnToShareholdersHurdleIsAchieved" id="ari_PercentOfPotentialRelativeTotalReturnToShareholdersComponentEarnedIfCumulativeAbsoluteTotalReturnToShareholdersHurdleIsAchieved" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PeriodToBeConsideredForAverageAnnualBaseManagementFee" id="ari_PeriodToBeConsideredForAverageAnnualBaseManagementFee" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PreferredStockSharesIssuedPursuantToUnderwritersOption" id="ari_PreferredStockSharesIssuedPursuantToUnderwritersOption" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PremiumPercentageOverClosingPrice" id="ari_PremiumPercentageOverClosingPrice" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrepaymentPenaltiesPercentage" id="ari_PrepaymentPenaltiesPercentage" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrincipalPaymentsReceivedOnSecuritiesAtEstimatedFairValue" id="ari_PrincipalPaymentsReceivedOnSecuritiesAtEstimatedFairValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrincipalPaymentsReceivedOnSecuritiesAvailableForSale" id="ari_PrincipalPaymentsReceivedOnSecuritiesAvailableForSale" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrivateExchangeOffersMember" id="ari_PrivateExchangeOffersMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProceedsFromCollectionOfCommercialRealEstateLoansHeldForSale" id="ari_ProceedsFromCollectionOfCommercialRealEstateLoansHeldForSale" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProceedsFromRepurchaseAgreements" id="ari_ProceedsFromRepurchaseAgreements" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProceedsFromSaleOfSecuritiesHeldAsCollateralAtFairValue" id="ari_ProceedsFromSaleOfSecuritiesHeldAsCollateralAtFairValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProceedsFromSecuritiesSoldUnderAgreementsToRepurchase" id="ari_ProceedsFromSecuritiesSoldUnderAgreementsToRepurchase" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProhibitionPeriodForPrepayments" id="ari_ProhibitionPeriodForPrepayments" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PropertySize" id="ari_PropertySize" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PublicOfferingMember" id="ari_PublicOfferingMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RateOfManagementFees" id="ari_RateOfManagementFees" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RealEstateAggregateCostForTaxPurposes" id="ari_RealEstateAggregateCostForTaxPurposes" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RelatedPartyAgreementExpirationDate" id="ari_RelatedPartyAgreementExpirationDate" type="us-types:dateStringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RepaymentOfFirstMortgageLoans" id="ari_RepaymentOfFirstMortgageLoans" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RepaymentOnBorrowingsFromGuarantorSubsidiaries" id="ari_RepaymentOnBorrowingsFromGuarantorSubsidiaries" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RepaymentsForOutstandingBorrowings" id="ari_RepaymentsForOutstandingBorrowings" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RepaymentsOfMezzanineLoansMember" id="ari_RepaymentsOfMezzanineLoansMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RepurchaseAgreementsDisclosureTextBlock" id="ari_RepurchaseAgreementsDisclosureTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RepurchaseAgreementsMaturity" id="ari_RepurchaseAgreementsMaturity" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RestrictedStockGrantedForfeitedMember" id="ari_RestrictedStockGrantedForfeitedMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RestrictedStockUnitMember" id="ari_RestrictedStockUnitMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RetailCenterVirginiaMember" id="ari_RetailCenterVirginiaMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RetailOneMember" id="ari_RetailOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RetailTwoMember" id="ari_RetailTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RetirementOfRestrictedStockInExchangeForRestrictedStockUnitsShares" id="ari_RetirementOfRestrictedStockInExchangeForRestrictedStockUnitsShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RetirementOfRestrictedStockInExchangeForRestrictedStockUnitsValue" id="ari_RetirementOfRestrictedStockInExchangeForRestrictedStockUnitsValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SecondYearMember" id="ari_SecondYearMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SecuritiesPledgedAsCollateral" id="ari_SecuritiesPledgedAsCollateral" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SellingCommissionPerShare" id="ari_SellingCommissionPerShare" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorMezzRetailVariousMember" id="ari_SeniorMezzRetailVariousMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExchangedInPeriod" id="ari_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExchangedInPeriod" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsExchangedInPeriodWeightedAverageGrantDateFairValue" id="ari_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsExchangedInPeriodWeightedAverageGrantDateFairValue" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest" id="ari_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementFinalVestingDate" id="ari_ShareBasedCompensationArrangementFinalVestingDate" type="xbrli:dateItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementInitialVestingDate" id="ari_ShareBasedCompensationArrangementInitialVestingDate" type="xbrli:dateItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementNumberOfSharesAuthorizedAsPercentageOfCommonStockOutstanding" id="ari_ShareBasedCompensationArrangementNumberOfSharesAuthorizedAsPercentageOfCommonStockOutstanding" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedPaymentPolicyTextBlock" id="ari_ShareBasedPaymentPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SharesIssuedUponFullExerciseOfUnderwritersOptionToPurchaseAdditionalShares" id="ari_SharesIssuedUponFullExerciseOfUnderwritersOptionToPurchaseAdditionalShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SkiResortCaliforniaMember" id="ari_SkiResortCaliforniaMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SouthAtlanticMember" id="ari_SouthAtlanticMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="StatementConsolidatedStatementsOfComprehensiveIncomeAbstract" id="ari_StatementConsolidatedStatementsOfComprehensiveIncomeAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SubordinateLoansDisclosureTextBlock" id="ari_SubordinateLoansDisclosureTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SubordinateLoansHeldForInvestmentAmortizationPeriod" id="ari_SubordinateLoansHeldForInvestmentAmortizationPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SubordinateLoansHeldForInvestmentCarryingAmount" id="ari_SubordinateLoansHeldForInvestmentCarryingAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SubordinateLoansHeldForInvestmentCouponRate" id="ari_SubordinateLoansHeldForInvestmentCouponRate" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SubordinateLoansHeldForInvestmentCurrentAccrualsRate" id="ari_SubordinateLoansHeldForInvestmentCurrentAccrualsRate" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SubordinateLoansHeldForInvestmentCurrentPaymentsRate" id="ari_SubordinateLoansHeldForInvestmentCurrentPaymentsRate" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SubordinateLoansHeldForInvestmentOriginalFaceAmount" id="ari_SubordinateLoansHeldForInvestmentOriginalFaceAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SubordinateLoansHeldForInvestmentsCurrentFaceAmount" id="ari_SubordinateLoansHeldForInvestmentsCurrentFaceAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SummarizesOutstandingBalancesMaximumAndAverageBalancesOfBorrowingsTableTextBlock" id="ari_SummarizesOutstandingBalancesMaximumAndAverageBalancesOfBorrowingsTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SummaryOfSignificantAccountingPoliciesLineItems" id="ari_SummaryOfSignificantAccountingPoliciesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SummaryOfSignificantAccountingPoliciesTable" id="ari_SummaryOfSignificantAccountingPoliciesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="SupplementalCashFlowInformationCashPaidAbstract" id="ari_SupplementalCashFlowInformationCashPaidAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TalfBorrowingsMember" id="ari_TalfBorrowingsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TangibleNetWorth" id="ari_TangibleNetWorth" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TermLoanTargetInternalRateOfReturn" id="ari_TermLoanTargetInternalRateOfReturn" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ThreeMortgageMember" id="ari_ThreeMortgageMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TransactionFeesPercentage" id="ari_TransactionFeesPercentage" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UnderwriterFeePercentOfGrossProceeds" id="ari_UnderwriterFeePercentOfGrossProceeds" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UnderwriterMember" id="ari_UnderwriterMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UnderwritersDiscountAndCommissionPaidOnInitialPublicOffering" id="ari_UnderwritersDiscountAndCommissionPaidOnInitialPublicOffering" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UnderwritingCommissionsAndCostsPolicyPolicyTextBlock" id="ari_UnderwritingCommissionsAndCostsPolicyPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UndistributedEarningsBasicAndDiluted" id="ari_UndistributedEarningsBasicAndDiluted" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UnfundedLoanCommitments" id="ari_UnfundedLoanCommitments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UnrealizedLossOnDerivativeInstruments" id="ari_UnrealizedLossOnDerivativeInstruments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VariousMember" id="ari_VariousMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VestingDateAprilTwoThousandFifteenMember" id="ari_VestingDateAprilTwoThousandFifteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VestingDateAprilTwoThousandFourteenMember" id="ari_VestingDateAprilTwoThousandFourteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VestingDateAprilTwoThousandThirteenMember" id="ari_VestingDateAprilTwoThousandThirteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VestingDateJanuaryTwoThousandFifteenMember" id="ari_VestingDateJanuaryTwoThousandFifteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VestingDateJanuaryTwoThousandFourteenMember" id="ari_VestingDateJanuaryTwoThousandFourteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VestingDateJanuaryTwoThousandThirteenMember" id="ari_VestingDateJanuaryTwoThousandThirteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VestingDateJulyTwoThousandFifteenMember" id="ari_VestingDateJulyTwoThousandFifteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VestingDateJulyTwoThousandFourteenMember" id="ari_VestingDateJulyTwoThousandFourteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VestingDateJulyTwoThousandThirteenMember" id="ari_VestingDateJulyTwoThousandThirteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VestingDateMarchTwoThousandFifteenMember" id="ari_VestingDateMarchTwoThousandFifteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VestingDateMarchTwoThousandFourteenMember" id="ari_VestingDateMarchTwoThousandFourteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VestingDateMarchTwoThousandThirteenMember" id="ari_VestingDateMarchTwoThousandThirteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VestingDateOctoberTwoThousandThirteenMember" id="ari_VestingDateOctoberTwoThousandThirteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VestingDateOfRestrictedStockAndRestrictedStockUnits" id="ari_VestingDateOfRestrictedStockAndRestrictedStockUnits" type="xbrli:stringItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VirginiaMember" id="ari_VirginiaMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="WeightedAverageCostOfFunds" id="ari_WeightedAverageCostOfFunds" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="WeightedAverageLife" id="ari_WeightedAverageLife" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="WellsFacilityBorrowingsMember" id="ari_WellsFacilityBorrowingsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="YearOneMember" id="ari_YearOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="YearTwoMember" id="ari_YearTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="Yield" id="ari_Yield" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="YieldMaintenancePayment" id="ari_YieldMaintenancePayment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
</schema>
