STWD


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

Table of contents



us-gaap:CommonStockValue
us-gaap:ConsolidationItems

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:EquityInterestIssuedOrIssuableByType

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted
us-gaap:AwardType, us-gaap:PlanName
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CostsAndExpenses
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

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

us-gaap:GeneralAndAdministrativeExpense
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromContinuingOperations

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

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

us-gaap:IncomeTaxesPaid

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

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
us-gaap:BusinessAcquisition, us-gaap:EquityInterestIssuedOrIssuableByType
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:BusinessAcquisition, us-gaap:EquityInterestIssuedOrIssuableByType

us-gaap:NonoperatingIncomeExpense
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherNonoperatingIncomeExpense
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

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

us-gaap:Revenues
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:Assets
dei:LegalEntity, us-gaap:ConsolidatedEntities, us-gaap:AdjustmentsForNewAccountingPronouncements
dei:LegalEntity, us-gaap:StatementBusinessSegments
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
us-gaap:ConsolidatedEntities, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:ConsolidatedEntities, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:ConsolidatedEntities, us-gaap:FairValueByMeasurementFrequency
us-gaap:ConsolidatedEntities, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:ConsolidatedEntities, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:Liabilities
dei:LegalEntity, us-gaap:ConsolidatedEntities, us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
us-gaap:ConsolidatedEntities, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:ConsolidatedEntities, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:ConsolidatedEntities, us-gaap:FairValueByMeasurementFrequency
us-gaap:ConsolidatedEntities, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:ConsolidatedEntities, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:StockholdersEquity
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:StatementBusinessSegments
us-gaap:FurnitureAndFixturesGross
us-gaap:StatementBusinessSegments
us-gaap:ConstructionInProgressGross

us-gaap:AmortizationOfIntangibleAssets
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
us-gaap:ConsolidatedEntities, us-gaap:StatementScenario, us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:Goodwill
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:ConsolidatedEntities, us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill
us-gaap:ConsolidationItems, us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:DeferredTaxAssetsLiabilitiesNet
us-gaap:ConsolidatedEntities
us-gaap:EquitySecuritiesFvNi
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:OtherAssets
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:LongTermDebt
us-gaap:FairValueByMeasurementBasis
us-gaap:LongtermDebtType

us-gaap:MinorityInterest
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:CumulativeEffectPeriodOfAdoption
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue
us-gaap:ConsolidationItems
us-gaap:CumulativeEffectPeriodOfAdoption
us-gaap:AdditionalPaidInCapital
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AdditionalPaidInCapitalCommonStock
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:RetainedEarningsAccumulatedDeficit
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:CumulativeEffectPeriodOfAdoption
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents

us-gaap:MinorityInterest
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities
us-gaap:DebtInstrument
us-gaap:AmortizationOfFinancingCosts
us-gaap:LongtermDebtType

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

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

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquireInvestments

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt
dei:LegalEntity, us-gaap:RelatedPartyTransaction
us-gaap:CounterpartyName, us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:DebtInstrument

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:AssetsSoldUnderAgreementsToRepurchase
us-gaap:DebtInstrumentInterestRateStatedPercentage
us-gaap:CreditFacility, us-gaap:VariableRate
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType, us-gaap:VariableRate
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:Range, us-gaap:AssetsSoldUnderAgreementsToRepurchase
us-gaap:Range, us-gaap:AssetsSoldUnderAgreementsToRepurchase, us-gaap:VariableRate

us-gaap:EffectiveIncomeTaxRateContinuingOperations

srt:MortgageLoansOnRealEstateCollectionsOfPrincipal
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory, us-gaap:Range, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
srt:MortgageLoansOnRealEstateInterestRate
us-gaap:Range, us-gaap:FinancialInstrument, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:Range, us-gaap:FinancialInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:Range, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

stwd:AccretionOfNetDeferredLoanFeesAndDiscounts

stwd:AcquisitionAndInvestmentPursuitCosts
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
stwd:AllowanceForLoanAndLeaseLossesLoansTransfers
us-gaap:StatementBusinessSegments
stwd:AmountOfNetGainOrLossFromSaleOfFinancialAssetsInSecuritizations
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
stwd:AvailableForSaleSecuritiesCostOfThirdPartyManagement
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity, us-gaap:VariableRate
stwd:AvailableForSaleSecuritiesWeightedAverageBasisSpreadOnVariableRate
us-gaap:ConsolidatedEntities, us-gaap:BusinessAcquisition, us-gaap:EquityInterestIssuedOrIssuableByType
stwd:BusinessAcquisitionEquityInterestsIssuableUponContingentConsiderationNumberOfShares

stwd:ChangeInFairValueOfConsolidatedVariableInterestEntity

stwd:ChangeInFairValueOfServicingRights
us-gaap:DebtInstrument
stwd:DebtInstrumentConvertibleIfConvertedValueLessThanPrincipal
us-gaap:DebtInstrument
stwd:DebtInstrumentFloorInterestRate
us-gaap:DebtInstrument, us-gaap:VariableRate
us-gaap:Range, stwd:ConditionsForDebtConversion, us-gaap:LongtermDebtType
stwd:DebtInstrumentPercentageOfConversionPriceAndLastReportedSalesPriceAsABasisForDebtConversion
us-gaap:Range, stwd:ConditionsForDebtConversion, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
stwd:DebtInstrumentPercentageOfConversionPriceAsABasisForDebtConversion
us-gaap:Range, stwd:ConditionsForDebtConversion, us-gaap:LongtermDebtType
stwd:DebtInstrumentPercentageOfDividendPerShareDistributionThatExceedsMarketPriceOfCommonStockAsBasisForDebtConversion
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
stwd:DebtInstrumentPrincipalAmountRedeemed
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
stwd:DebtInstrumentPrincipalAmountSubjectToRedemption
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
stwd:DebtInstrumentPrincipalAmountWithConditionalNoticesOfRedemptionIssued

stwd:DepreciationAndAmortizationExcludingAmortizationOfAboveBelowMarketLeases

stwd:EffectiveIncomeTaxRateNetOperatingLossCarrybackRateDifferential

stwd:EffectiveIncomeTaxRateReconciliationIntraEntityTransfer
us-gaap:CreditFacility
stwd:EquityInterestsInCertainSubsidiariesUsedAsSecurityOnFacilities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
stwd:FairValueInputsLossSeveritySpecifiedPercentageOfPortfolio
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel
stwd:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetConsolidationsOfVariableInterestEntity
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel
stwd:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetDeconsolidationsOfVariableInterestEntity
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel
stwd:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInChangeInFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel
stwd:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsAttributableToAssetsStillHeldAtEndOfPeriod
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel
stwd:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLossAttributableToAssetsStillHeldAtEndOfPeriod
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
stwd:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersWithinLevel3

stwd:FairValueOfServiceRightsGainLoss
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment
stwd:FinancingReceivableReclassificationToHeldForInvestment

stwd:ForeignCurrencyTransactionGainLossBeforeTaxCashFlowImpact

stwd:GainLossOnMortgageLoansHeldForSale
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

stwd:GainLossOnSaleOfInvestmentsNet
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

stwd:GainOnSaleOfInvestmentsCashFlow

stwd:IncentiveFeeCompensation

stwd:IncomeLossFromContinuingOperationsBasic

stwd:IncomeLossFromContinuingOperationsDiluted

stwd:IncomeTaxReconciliationFederalBenefitOfStateTaxDeduction

stwd:IncomeTaxReconciliationIntraEntityTransfer

stwd:IncomeTaxReconciliationNetOperatingLossCarrybackRateDifferential

stwd:IncrementalCommonSharesAttributableToNonParticipatingNonvestedShares

stwd:IndefiniteLivedIntangibleAssetsAdjustmentsForChangeInInputsAndAssumptions
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

stwd:IntangibleAssetsSold
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
stwd:InvestmentInEquitySecuritiesPercentageOwnership

stwd:LoanPrincipalCollectionsTemporarilyHeldAtMasterServicer
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:StatementBusinessSegments
stwd:LoansHeldForSaleSoldFairValue
us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:StatementBusinessSegments
stwd:LoansHeldForSaleSoldParValue
us-gaap:StatementBusinessSegments

stwd:ManagementFees
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

stwd:MortgageLoansOnRealEstateCapitalizedInterest
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

stwd:MortgageLoansOnRealEstateDiscountAccretionAndPremiumAmortization
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

stwd:MortgageLoansOnRealEstateTransfers
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

stwd:MortgageLoansOnRealEstateUnrealizedForeignCurrencyRemeasurementGainLoss
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

stwd:NetAssetsAcquiredThroughForeclosure

stwd:NoncontrollingInterestsIncreaseDecreaseFromVariableInterestEntity
us-gaap:StatementEquityComponents
us-gaap:BusinessAcquisition
stwd:NumberOfRealEstatePropertiesSold

stwd:PaymentsForPurchaseOrTerminationOfDerivatives
us-gaap:DebtInstrument
stwd:PaymentsToAcquireAdditionalInterestInCollateralizedLoanObligations

stwd:PercentageOfAnnualREITTaxableIncomeDistributableToStockholdersMinimum
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
stwd:PercentageOfEquityInterestOwnedByInvestorEntities

stwd:ProceedsFromIssuanceOfDebtOfConsolidatedVariableInterestEntities

stwd:ProceedsFromPrincipalCollectionsOnInvestmentSecurities
us-gaap:ConsolidationItems
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:InformationByCategoryOfDebtSecurity

stwd:ProceedsFromSalesOfInvestmentSecurities
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
stwd:ProvisionForImpairedLosses
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

stwd:ProvisionForLoanLossesNet
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

stwd:PurchaseOfMarketableSecurities
us-gaap:ConsolidationItems
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:ConsolidationItems
stwd:RedemptionOfSecurities
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:StatementEquityComponents
stwd:RedemptionOfUnits

stwd:RedemptionOfUnitsForCommonStockValue
us-gaap:StatementEquityComponents
us-gaap:RelatedPartyTransactionsByRelatedParty
stwd:RelatedPartyBaseManagementFeeExpense
us-gaap:RelatedPartyTransactionsByRelatedParty
stwd:RelatedPartyExecutiveCompensationExpenseAndOtherReimbursableExpensesIncurred

stwd:RepaymentsOfDebtOfConsolidatedVariableInterestEntities

stwd:SaleOfMarketableSecurities
us-gaap:ConsolidationItems
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:StatementBusinessSegments
stwd:SecuritizationFinancialAssetForWhichTransferIsAccountedAsSaleFaceAmount
us-gaap:StatementBusinessSegments

stwd:ShareBasedCompensationAndNonemployeeServicesTransactionExpense
us-gaap:AwardType, us-gaap:RelatedPartyTransactionsByRelatedParty
stwd:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodTotalFairValue
us-gaap:AwardType, us-gaap:PlanName
stwd:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodTotalFairValue
us-gaap:EquityInterestIssuedOrIssuableByType
stwd:UnitsConvertibleNumberOfEquityInstruments

stwd:VariableInterestEntityConsolidationInNonCashInvestingAndFinancingActivities

stwd:VariableInterestEntityDeconsolidationInNonCashInvestingAndFinancingActivities

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts
us-gaap:StatementEquityComponents

us-gaap:AllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:AllowanceForLoanAndLeaseLossesWriteOffs
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:AmortizationOfDeferredCharges

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:StatementBusinessSegments
us-gaap:CashFlowsBetweenTransfereeAndTransferorProceedsFromNewTransfers

us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:EquityInterestIssuedOrIssuableByType
us-gaap:DebtConversionConvertedInstrumentAmount1
us-gaap:DebtInstrument
us-gaap:DebtInstrumentConvertibleConversionRatio1
us-gaap:DebtInstrument
us-gaap:DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed
us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod
us-gaap:Range, us-gaap:DebtInstrument

us-gaap:DebtSecuritiesHeldToMaturityAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease
us-gaap:FinancialInstrument

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

us-gaap:DilutiveSecurities

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

us-gaap:DividendsCommonStock
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

us-gaap:EffectiveIncomeTaxRateReconciliationDeductions

us-gaap:EffectiveIncomeTaxRateReconciliationOtherAdjustments

us-gaap:EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes

us-gaap:EffectiveIncomeTaxRateReconciliationTaxExemptIncome

us-gaap:EquityMethodInvestmentDividendsOrDistributions

us-gaap:EquitySecuritiesFvNiRealizedGainLoss
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FeesAndCommissionsMortgageBankingAndServicing
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableReclassificationToHeldForSale

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:GainLossOnDerivativeInstrumentsNetPretax
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:DerivativeInstrumentRisk
us-gaap:BusinessAcquisition
us-gaap:GainsLossesOnSalesOfInvestmentRealEstate
us-gaap:BusinessAcquisition, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:StatementBusinessSegments

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

us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate

us-gaap:IncomeTaxReconciliationOtherAdjustments

us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes

us-gaap:IncomeTaxReconciliationTaxExemptIncome

us-gaap:IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInAccruedInterestReceivableNet

us-gaap:IncreaseDecreaseInDueToRelatedParties

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncrementalCommonSharesAttributableToContingentlyIssuableShares

us-gaap:IncrementalCommonSharesAttributableToConversionOfDebtSecurities
us-gaap:LongtermDebtType

us-gaap:IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends

us-gaap:InterestAndFeeIncomeLoansCommercial
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:InterestIncomeSecuritiesMortgageBacked
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:LongtermDebtType
us-gaap:InterestOnConvertibleDebtNetOfTax
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:LineOfCreditFacilityIncreaseDecreaseForPeriodNet

us-gaap:MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:MortgageLoansOnRealEstateCostOfMortgagesSold
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:MortgageLoansOnRealEstateNewMortgageLoans
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance
us-gaap:StatementEquityComponents

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

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

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherOperatingIncomeExpenseNet
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:PaymentsForDerivativeInstrumentInvestingActivities

us-gaap:PaymentsForOriginationOfMortgageLoansHeldForSale
us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:PaymentsForRent

us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsOfStockIssuanceCosts

us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliates

us-gaap:PaymentsToAcquireLoansHeldForInvestment

us-gaap:PaymentsToAcquireOtherProductiveAssets

us-gaap:PaymentsToMinorityShareholders

us-gaap:ProceedsFromContributionsFromAffiliates

us-gaap:ProceedsFromDerivativeInstrumentInvestingActivities

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromLoanAndLeaseOriginationsAndPrincipalCollections1

us-gaap:ProceedsFromMinorityShareholders

us-gaap:ProceedsFromSaleOfLoansHeldForInvestment

us-gaap:ProceedsFromSaleOfLoansHeldForSale
us-gaap:StatementBusinessSegments
us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale

us-gaap:ProceedsFromSaleOfOtherRealEstate
us-gaap:BusinessAcquisition
us-gaap:ProceedsFromSaleOfRealEstate
us-gaap:BusinessAcquisition, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
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us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:SubsequentEventType
us-gaap:ProceedsFromSecuritizationsOfLoansHeldForInvestment
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:ProvisionForLoanAndLeaseLosses
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:StatementEquityComponents
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:StockIssuedDuringPeriodValueDividendReinvestmentPlan
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueIssuedForServices
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:ConsolidatedEntities, us-gaap:BusinessAcquisition, us-gaap:EquityInterestIssuedOrIssuableByType, us-gaap:StatementEquityComponents
us-gaap:StockRedeemedOrCalledDuringPeriodShares

us-gaap:TransferOfLoansHeldForSaleToPortfolioLoans1

us-gaap:TransferOfPortfolioLoansAndLeasesToHeldForSale1

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted

us-gaap:UnrealizedGainLossOnDerivatives

us-gaap:VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax
us-gaap:ConsolidationItems

us-gaap:WeightedAverageNumberOfSharesIssuedBasic

srt:MortgageLoansOnRealEstateFederalIncomeTaxBasis1

srt:MortgageLoansOnRealEstatePrincipalAmountOfDelinquentLoans
us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory, us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

srt:RealEstateFederalIncomeTaxBasis

stwd:AllowanceForCreditLossMarketableSecurities
us-gaap:AssetsSoldUnderAgreementsToRepurchase
stwd:AmountOutstandingOnRepurchaseFacility
us-gaap:AssetsSoldUnderAgreementsToRepurchase
stwd:AmountOutstandingOnRepurchaseFacilityNotSubjectToMarginCalls

stwd:AvailableForSaleSecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity, us-gaap:VariableRate
stwd:AvailableForSaleSecuritiesVariableRateBasisPercentage
us-gaap:StatementBusinessSegments
stwd:BuildingsGross
us-gaap:BusinessAcquisition
stwd:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDebt
us-gaap:StatementBusinessSegments
us-gaap:BusinessAcquisition
stwd:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTotalGrossPropertiesAndLeaseIntangibles
us-gaap:StatementBusinessSegments
us-gaap:Range, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
stwd:CostMethodInvestmentsOwnershipPercentage
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:DebtInstrument
stwd:DebtInstrumentCarryingAmountIncludingCollateralizedLoanObligations
us-gaap:LongtermDebtType
us-gaap:DebtInstrument
stwd:DebtInstrumentConvertibleIfConvertedValue
us-gaap:DebtInstrument
stwd:DebtInstrumentFaceAmountPurchasedByThirdPartyInvestors
us-gaap:DebtInstrument, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:SubsequentEventType
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:SubsequentEventType

stwd:DebtSecuritiesHeldToMaturityNet
us-gaap:FinancialInstrument

stwd:DeferredTaxAssetsLeaseAssets

stwd:DeferredTaxAssetsLeaseLiabilities
us-gaap:IncomeTaxAuthority
stwd:DeferredTaxAssetsNetOperatingAndCapitalLossCarryforwards

stwd:Dividendspayablecurrentandnoncurrentdividendsdeclaredduringperiod

stwd:FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfterYearFive
us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty
stwd:FirstPriorityInfrastructureTermLoan

stwd:FutureMinimumPaymentsDueOfOperatingLeasesFutureMinimumSubleaseRentals

stwd:HeldToMaturitySecuritiesDebtMaturitiesAfterFiveYearsNetCarryingAmount
us-gaap:FinancialInstrument

stwd:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughThreeYearsNetCarryingAmount
us-gaap:FinancialInstrument

stwd:HeldToMaturitySecuritiesDebtMaturitiesAfterThreeThroughFiveYearsNetCarryingAmount
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
stwd:InvestmentSecuritiesFairValueBeforeConsolidationOfVariableInterestEntities
us-gaap:ConsolidationItems
stwd:InvestmentSecuritiesFairValueBeforeConsolidationOfVariableInterestEntitiesEliminatedAgainstVariableInterestEntitiesLiabilities
us-gaap:FinancialInstrument
stwd:InvestmentSecuritiesNotRated
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
stwd:InvestmentSecuritiesUnpaidPrincipalBalanceBeforeConsolidationOfVariableInterestEntities
us-gaap:FinancialInstrument
stwd:InvestmentSecuritiesVariableRateAmount
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
stwd:InvestmentSecuritiesVariableRatePercentage
us-gaap:CreditRatingStandardPoors, us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
stwd:InvestmentSecuritiesWeightedAverageInterestRateStatedPercentage

stwd:InvestmentsExcludingUnconsolidatedEntities
us-gaap:ConsolidatedEntities
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us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:AssetsSoldUnderAgreementsToRepurchase
stwd:LineOfCreditFacilityCapacityAvailableForSpecificPurposeOtherThanForTradePurchasesAccordionFeature
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:RelatedPartyTransactionsByRelatedParty
stwd:LoanPurchaseCommitment
us-gaap:FairValueByLiabilityClass, us-gaap:StatementBusinessSegments
stwd:LoanWithTotalCommitmentsOutstandingAmount
us-gaap:StatementBusinessSegments
us-gaap:FairValueByMeasurementBasis
stwd:LoansAndLeasesReceivableNetIncludingLoansTransferredInSecuritizations

stwd:LoansAsPercentOfConsolidatedVieAssets

stwd:LoansHeldForSaleFairValueDisclosureNetNotPartOfDisposalGroupOrDiscontinuedOperation
us-gaap:FairValueByLiabilityClass, us-gaap:StatementBusinessSegments
stwd:LoansWithFutureFundingCommitmentsValue
us-gaap:FairValueByLiabilityClass, us-gaap:StatementBusinessSegments
stwd:LoansWithFutureFundingCommitmentsValueExpectedToFund
us-gaap:DebtInstrument
stwd:LongTermDebtMaturitiesRepaymentsOfPrincipalYearFiveAndAfterYearFive
us-gaap:LongtermDebtType

stwd:MarketableSecuritiesFairValueDisclosure
us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory
stwd:MortgageLoansOnRealEstateCarryingAmountOfMortgagesIncludingOtherLoansThatDoNotHaveUnderlyingRealEstateCollateral

stwd:MortgageLoansOnRealEstateGrossCarryingAmountOfMortgages

stwd:MortgageLoansOnRealEstateLoanConvertedToEquityInterest
us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory
stwd:MortgageLoansOnRealEstateLoanLossAllowance
us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory
stwd:MortgageLoansOnRealEstatePrepaidLoanCostsNet

stwd:MortgageLoansOnRealEstatePrincipalAmountOfMortgages
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
stwd:MortgageLoansOnRealEstateRelatedToAllowanceForLoanLosses
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:StatementBusinessSegments
stwd:MortgageLoansOnRealEstateUnamortizedDiscount
us-gaap:Collateral
stwd:NumberOfSecurities
us-gaap:EquityInterestIssuedOrIssuableByType
stwd:NumberOfUnitsOutstanding

stwd:OperatingLeasesFutureMinimumPaymentsDueCurrentFutureMinimumSubleaseRentals

stwd:OperatingLeasesFutureMinimumPaymentsDueThereafterFutureMinimumSubleaseRentals

stwd:OperatingLeasesFutureMinimumPaymentsDueYearFiveFutureMinimumSubleaseRentals

stwd:OperatingLeasesFutureMinimumPaymentsDueYearFourFutureMinimumSubleaseRentals

stwd:OperatingLeasesFutureMinimumPaymentsDueYearThreeFutureMinimumSubleaseRentals

stwd:OperatingLeasesFutureMinimumPaymentsDueYearTwoFutureMinimumSubleaseRentals

stwd:OtherRestrictedCashAndCashEquivalents
us-gaap:DebtInstrument
stwd:PercentOfOutstandingLoanEarningFixedRateWeightedAverageInterest
us-gaap:LongtermDebtType
stwd:PercentageOfRepurchaseAgreementsContainingMarginCallProvisionsForGeneralCapitalMarketActivity
us-gaap:LongtermDebtType
stwd:PercentageOfRepurchaseAgreementsContainingMarginCallProvisionsThatPertainToLoansHeldForSale
us-gaap:LongtermDebtType
stwd:PercentageOfRepurchaseAgreementsForWhichMarginCallsAreLimitedToCollateralSpecificCreditMarks
us-gaap:RelatedPartyTransactionsByRelatedParty
stwd:RelatedPartyAccruedIncentiveFee

stwd:RelatedPartyBaseManagementFeePayable
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyTransactionsByRelatedParty
stwd:RelatedPartyExecutiveCompensationExpenseAndOtherReimbursableExpensesPayable
us-gaap:RelatedPartyTransactionsByRelatedParty
stwd:RelatedPartyIncentiveFeeEarnedPayable
us-gaap:RelatedPartyTransactionsByRelatedParty
stwd:RelatedPartyTransactionSubordinatedLoanAmendedAmount

stwd:ReoAssetsAsPercentOfConsolidatedVieAssets

stwd:RestrictedCashFundsHeldInEscrowOnBehalfOfOthers
us-gaap:FairValueByMeasurementBasis
stwd:SecuredDebtPrincipalAmountOutstandingOnLoansSecuritizedAndParticipatingMortgageLoansParticipationLiabilitiesAmount
us-gaap:FinancialInstrument, us-gaap:SubsequentEventType
stwd:SecuritizationsOfLoansHeldForSaleFaceAmount
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
stwd:VariableInterestEntityConsolidatedCarryingAmountAccountsPayableAccruedExpensesAndOtherLiabilities
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
stwd:VariableInterestEntityConsolidatedCarryingAmountAccruedInterestReceivable
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
stwd:VariableInterestEntityConsolidatedCarryingAmountCollateralizedLoanObligationsNet
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
stwd:VariableInterestEntityConsolidatedCarryingAmountLoansHeldForInvestment
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
stwd:VariableInterestEntityConsolidatedCarryingAmountOtherAssets

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:ConsolidatedEntities, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:StatementBusinessSegments
us-gaap:BuildingsAndImprovementsGross

us-gaap:CollateralizedFinancings
us-gaap:Collateral
us-gaap:Collateral, us-gaap:DebtInstrument
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:DebtInstrument
us-gaap:ConvertibleDebt
us-gaap:DebtInstrument
us-gaap:ConvertibleDebtFairValueDisclosures

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent
us-gaap:Collateral
us-gaap:DebtInstrumentFaceAmount
us-gaap:Collateral, us-gaap:DebtInstrument
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:SubsequentEventType
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateEffectivePercentage
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentUnamortizedDiscount
us-gaap:DebtInstrument
us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet

us-gaap:DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType
us-gaap:DebtSecuritiesAvailableForSaleMeasurementInput
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique

us-gaap:DebtSecuritiesHeldToMaturityAllowanceForCreditLoss
us-gaap:FinancialInstrument
us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:Collateral, us-gaap:DebtInstrument
us-gaap:DebtWeightedAverageInterestRate
us-gaap:DebtInstrument

us-gaap:DeferredFinanceCostsNet
us-gaap:DebtInstrument
us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:DeferredFinanceCostsNoncurrentGross
us-gaap:IncomeTaxAuthority
us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets
us-gaap:IncomeTaxAuthority
us-gaap:DeferredTaxAssetsOther
us-gaap:IncomeTaxAuthority
us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals
us-gaap:IncomeTaxAuthority
us-gaap:DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType
us-gaap:DerivativeAssetMeasurementInput

us-gaap:DerivativeAssets
us-gaap:ConsolidatedEntities, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:ConsolidatedEntities, us-gaap:FairValueByMeasurementFrequency
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:FinancialInstrument

us-gaap:DerivativeCollateralObligationToReturnCash
us-gaap:FinancialInstrument

us-gaap:DerivativeCollateralObligationToReturnSecurities
us-gaap:FinancialInstrument

us-gaap:DerivativeCollateralRightToReclaimCash

us-gaap:DerivativeCollateralRightToReclaimSecurities

us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:FinancialInstrument

us-gaap:DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral
us-gaap:FinancialInstrument

us-gaap:DerivativeFairValueOfDerivativeLiability

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral
us-gaap:FinancialInstrument

us-gaap:DerivativeLiabilities
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType
us-gaap:DerivativeLiabilityMeasurementInput
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique

us-gaap:DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned
us-gaap:FinancialInstrument

us-gaap:DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral

us-gaap:DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimCash
us-gaap:FinancialInstrument

us-gaap:DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities
us-gaap:FinancialInstrument

us-gaap:DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross
us-gaap:FinancialInstrument
us-gaap:Currency, us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNotionalAmount
us-gaap:Currency, us-gaap:DerivativeInstrumentRisk, us-gaap:Position

us-gaap:DividendsPayableCurrentAndNoncurrent
us-gaap:ConsolidationItems

us-gaap:DueToRelatedPartiesCurrentAndNoncurrent
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity
dei:LegalEntity, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:ConsolidatedEntities
us-gaap:Range, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:InvestmentType

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FinancingReceivableAllowanceForCreditLosses
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableOriginatedInCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory
us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableRevolving
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:HeldToMaturitySecurities
us-gaap:ConsolidatedEntities
us-gaap:FairValueByMeasurementBasis
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesFairValue
us-gaap:FinancialInstrument

us-gaap:ImpairedFinancingReceivableRelatedAllowance
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment

us-gaap:IntangibleAssetsGrossExcludingGoodwill
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:InterestReceivable
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:InvestmentsFairValueDisclosure
us-gaap:StatementBusinessSegments
us-gaap:LandAndLandImprovements

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:CreditFacility
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:DebtInstrument, us-gaap:VariableRate

us-gaap:LoansAndLeasesReceivableAllowance
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:StatementBusinessSegments

us-gaap:LoansAndLeasesReceivableNetReportedAmount
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:LoansHeldForSaleFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType
us-gaap:LoansHeldForSaleMeasurementInput

us-gaap:LoansReceivableBasisSpreadOnVariableRate

us-gaap:LoansReceivableFairValueDisclosure

us-gaap:LoansReceivableHeldForSaleNetNotPartOfDisposalGroup
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:LoansReceivableWithVariableRatesOfInterest1
us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
us-gaap:DebtInstrument
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
us-gaap:DebtInstrument
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
us-gaap:LongtermDebtType
us-gaap:DebtInstrument
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
us-gaap:LongtermDebtType
us-gaap:DebtInstrument
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:LongtermDebtType
us-gaap:DebtInstrument
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear
us-gaap:LongtermDebtType

us-gaap:MarketableSecurities
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:FinancialInstrument
us-gaap:ConsolidatedEntities, us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:ConsolidatedEntities, us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity, us-gaap:StatementEquityComponents
us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:MinorityInterestInJointVentures
us-gaap:Ownership, us-gaap:BusinessAcquisition, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners
us-gaap:FinancialInstrument, us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure
us-gaap:InformationByCategoryOfDebtSecurity

us-gaap:MortgageLoansOnRealEstate

us-gaap:NotesReceivableNet
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:OffBalanceSheetCreditLossLiability
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:OffMarketLeaseUnfavorable

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:DebtInstrument
us-gaap:PreferredStockLiquidationPreferenceValue
us-gaap:MortgageLoansOnRealEstateDescriptionLoanCategory, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:SubsequentEventType
us-gaap:PrincipalAmountOutstandingOnLoansManagedAndSecuritized

us-gaap:RealEstateAccumulatedDepreciation
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

us-gaap:RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

us-gaap:RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

us-gaap:RealEstateAndAccumulatedDepreciationInitialCostOfLand
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

us-gaap:RealEstateGrossAtCarryingValue
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation

us-gaap:RealEstateInvestmentPropertyAtCost

us-gaap:RealEstateInvestmentPropertyNet
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:RestrictedCash

us-gaap:RestrictedCashAndCashEquivalents
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionLand

us-gaap:SecuredDebt
us-gaap:AssetsSoldUnderAgreementsToRepurchase
us-gaap:AssetsSoldUnderAgreementsToRepurchase, us-gaap:DebtInstrument
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:LongtermDebtType

us-gaap:SecuritiesSoldUnderAgreementsToRepurchase

us-gaap:SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities

us-gaap:SecuritiesSoldUnderAgreementsToRepurchaseGross

us-gaap:ServicingAssetAtFairValueAmount
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType
us-gaap:ServicingAssetMeasurementInput
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:SharePrice
us-gaap:DebtInstrument

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:TreasuryStockCommonValue
us-gaap:ConsolidationItems

us-gaap:UnsecuredDebt
us-gaap:ConsolidationItems
us-gaap:ConsolidatedEntities
us-gaap:VariableInterestEntityEntityMaximumLossExposureAmount

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Other Nonoperating Income Expense
Balance Sheet
Operating Lease Liability
Assets
Derivative Assets
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Intangible Assets Net Excluding Goodwill
Liabilities
Operating Lease Liability
Noncurrent Liabilities
Minority Interest
Stockholders Equity
Retained Earnings Accumulated Deficit
Per Share
Earnings Per Share Diluted
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Amortization Of Financing Costs And Discounts
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Payments For Repurchase Of Common Stock
DividendsAndRepurchase
Payments For Repurchase Of Common Stock
NonoperatingIncomeExpense
Other Nonoperating Income Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Two
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:CommonStockValue ████████████▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▅▅▅▄▃▃▂▂▂▂▂▂▁▁2.9522.9432.9212.9182.9162.8942.8742.8712.8642.8552.8082.7932.6752.6712.662.6542.6522.6482.6392.432.4272.4222.412.4072.4022.2552.2482.2362.2321.9671.9611.9591.671.3631.3611.1751.1730.940.9380.9260.9260.7060.706NANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁294.571293.231NA292.458291.293280.99NA289.912289.072277.698NA265.456288.31262.124NA262.437262.851262.441NA241.091237.597236.759NA237.925235.831229.032NA223.543222.892198.876NA172.394882163.489322136.674212NA117.381559112.18369594.227928NA94.59697883.63936572.743362NA48.6265548.626348.6263NANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:RestrictedStockNA14.6NANANA13.2NANANA13.6NANANA11.3NANANA1.9NANANA1.5NANANA1.8NANANA2.9NANANA1.0NANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:EquityInterestIssuedOrIssuableByType stwd:ClassaUnitsNA10.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasic ▆▆▅▇▆▁▇▆▆▅▅▅▆▅▅▅▆▆▆▆▆▄▆▆▆▇▆█▇▇▆▆▅▆▆▆▆▇▆▄▆▆▅▆▄▄▃▂0.40.390.370.530.49-0.240.610.50.450.250.330.310.410.380.350.340.450.390.50.440.470.110.40.490.490.530.410.730.530.610.480.520.380.460.420.430.40.530.440.160.40.440.330.470.230.12-0.02-0.04
us-gaap:EarningsPerShareDiluted ▆▅▅▆▆▁▇▆▆▅▅▅▆▅▅▅▆▆▆▆▆▄▆▆▆▆▆█▆▇▆▆▅▆▆▆▆▇▆▄▆▆▅▆▄▄▃▂0.40.380.370.520.49-0.240.60.490.450.250.330.310.40.380.350.330.440.390.490.440.470.110.40.490.490.520.40.730.520.60.480.520.380.460.420.430.40.530.440.150.390.430.330.470.220.12-0.02-0.04
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
 Cost Ratio us-gaap:ConsolidationItems stwd:OperatingSegmentsAndCorporateNonSegment▇▆▆▅▅█▆▇█▇▆▇▅▅▄▃▃▂▁▂▂▂▂▃329.243319.687324.996305.161295.99343.272321.064327.193351.999340.885323.482325.531305.641301.742281.53266.053264.319247.359228.254249.217242.488245.211246.427255.429NANANANANANANANANANANANANANANANANANANANANANANANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:CommercialAndResidentialLendingSegment▅▆▆▄▃█▃▃▅▄▂▂▂▁184.49190.531196.309173.547168.367211.437166.614163.808187.78174.83162.112158.596157.472149.77NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:InfrastructureLendingSegment▆▆▅▅▆▇█▇▇██▁21.79519.46519.2518.57119.90923.25728.38523.61226.16628.48627.5053.204NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:LNRBusinessSegments▂▁▁▁▁▁▂▂▂▂▂▃▃▃█▃▃▃▃▄▃▄▄▅▅▃▄▄▄▃▄▃▂57.50444.54745.37249.0744.0944.49553.95167.39765.63366.9558.36487.40673.60185.109173.01272.21488.70680.40784.17891.87982.24494.535104.151113.688108.76485.20390.2100.86695.71485.61396.05283.80668.85NANANANANANANANANANANANANANANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:PropertySegment▇▇▇▇▇▇███████▇▁▆▆▆▅▅▅▅▄▄▄65.45465.14464.06563.97363.62464.08372.11472.37672.41470.59975.36876.23674.48266.811-42.21647.82746.544.89829.51629.23729.63826.20814.6227.2873.536NANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems stwd:OperatingSegmentsAndCorporateNonSegment▇▆▆▅▅█▆▇█▇▆▇▅▅▄▃▃▂▁▂▂▂▂▃329.243319.687324.996305.161295.99343.272321.064327.193351.999340.885323.482325.531305.641301.742281.53266.053264.319247.359228.254249.217242.488245.211246.427255.429NANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:CommercialAndResidentialLendingSegment▅▆▆▄▃█▃▃▅▄▂▂▂▁184.49190.531196.309173.547168.367211.437166.614163.808187.78174.83162.112158.596157.472149.77NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:InfrastructureLendingSegment▆▆▅▅▆▇█▇▇██▁21.79519.46519.2518.57119.90923.25728.38523.61226.16628.48627.5053.204NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:LNRBusinessSegments▂▁▁▁▁▁▂▂▂▂▂▃▃▃█▃▃▃▃▄▃▄▄▅▅▃▄▄▄▃▄▃▂57.50444.54745.37249.0744.0944.49553.95167.39765.63366.9558.36487.40673.60185.109173.01272.21488.70680.40784.17891.87982.24494.535104.151113.688108.76485.20390.2100.86695.71485.61396.05283.80668.85NANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:PropertySegment▇▇▇▇▇▇███████▇▁▆▆▆▅▅▅▅▄▄▄65.45465.14464.06563.97363.62464.08372.11472.37672.41470.59975.36876.23674.48266.811-42.21647.82746.544.89829.51629.23729.63826.20814.6227.2873.536NANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin us-gaap:ConsolidationItems stwd:OperatingSegmentsAndCorporateNonSegment▇▆▆▅▅█▆▇█▇▆▇▅▅▄▃▃▂▁▂▂▂▂▃329.243319.687324.996305.161295.99343.272321.064327.193351.999340.885323.482325.531305.641301.742281.53266.053264.319247.359228.254249.217242.488245.211246.427255.429NANANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:CommercialAndResidentialLendingSegment▅▆▆▄▃█▃▃▅▄▂▂▂▁184.49190.531196.309173.547168.367211.437166.614163.808187.78174.83162.112158.596157.472149.77NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:InfrastructureLendingSegment▆▆▅▅▆▇█▇▇██▁21.79519.46519.2518.57119.90923.25728.38523.61226.16628.48627.5053.204NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:LNRBusinessSegments▂▁▁▁▁▁▂▂▂▂▂▃▃▃█▃▃▃▃▄▃▄▄▅▅▃▄▄▄▃▄▃▂57.50444.54745.37249.0744.0944.49553.95167.39765.63366.9558.36487.40673.60185.109173.01272.21488.70680.40784.17891.87982.24494.535104.151113.688108.76485.20390.2100.86695.71485.61396.05283.80668.85NANANANANANANANANANANANANANANA
 Net profit Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:PropertySegment▇▇▇▇▇▇███████▇▁▆▆▆▅▅▅▅▄▄▄65.45465.14464.06563.97363.62464.08372.11472.37672.41470.59975.36876.23674.48266.811-42.21647.82746.544.89829.51629.23729.63826.20814.6227.2873.536NANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType,us-gaap:PlanName us-gaap:RestrictedStockUnitsRSU,stwd:StarwoodPropertyTrustIncManagerEquityPlan▃▅▅▂▂▄▃█▁▁▁▁▁▁4.55.96.03.43.45.25.08.83.23.23.23.23.32.9NANANANANANANANANANANA7.06.76.36.86.73.33.94.0NANA4.1NANANANANANANANANANANANA
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType,us-gaap:RelatedPartyTransactionsByRelatedParty stwd:RestrictedStockAwards,stwd:SPTManagementLLC▁█2.22.4NANA1.31.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType,us-gaap:RelatedPartyTransactionsByRelatedParty us-gaap:RestrictedStockUnitsRSU,stwd:SPTManagementLLCNANA0.90.11.31.11.11.21.00.80.80.80.80.50.60.70.80.60.60.60.60.4NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▆▆▆▇▇▁█▇▇▅▆▆▆▆▆▆▇▆▇▆▆▄▆▆▇▆▅█▆▇▆▆▅▅▅▆▅▅▅▃▄▄▄▄▄▃115.966109.039108.676151.253146.638-81.817170.424135.649128.34267.52182.87284.322102.054105.31897.25797.718133.294106.287117.18113.387110.64330.38586.67110.344123.687103.82977.723159.763112.715125.26796.95398.71752.02253.11273.826100.10845.91465.0246.495-0.46634.81726.2817.17233.239.3535.813NANA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▆▇▅██▁▄▆▄▄▅▄▅▄▂▃▄▁▂▁▁▁▁▁▁▁▁▂▂▁▂▂▂▂▂▁▁▁▁▁▁▁▁▂▁10.07411.1487.68712.913.3050.56.1119.6055.436.1257.84.8457.864.8621.2774.3715.8530.4961.4310.0470.5980.3890.1970.3810.4920.4160.3772.3462.5140.281.1761.8861.0571.1812.0990.130.1290.1290.040.0250.0520.025-0.1392.1940.561NANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▇▆▆██▁█▇▇▅▆▆▆▆▆▆▇▆▆▆▆▄▆▆▇▆▅█▆▇▆▆▅▅▅▆▄▅▄▃▄▄▄▄▃▃126.04120.187116.363164.153159.943-81.317176.535145.254133.77273.64690.67289.167109.914110.1898.534102.089139.147106.783118.611113.434111.24130.77486.867110.725124.179104.24578.1162.109115.229125.54798.129100.60353.07954.29375.925100.23846.04365.14946.535-0.44134.86926.30517.03335.4249.9145.813NANA
us-gaap:CostsAndExpenses ▆▆▆▆▆█▇▇▇▇▇▆▇▆▆▅▅▅▅▅▄▄▄▄▄▃▄▃▃▃▄▃▃▁▁▁▁225.939232.879231.403209.158222.232301.615269.822253.244253.469253.289279.835232.396251.978213.423210.633188.202171.511164.903172.095175.331156.653146.32154.194128.067132.591121.427126.98120.374117.686118.969144.558123.307110.48440.87335.55930.827.295NANANANANANANANANANANA
us-gaap:GainsLossesOnExtinguishmentOfDebt ▇█▇█▆█▁▄▆▅▅▆█-1.182-0.516-1.2770.0-2.207-0.17-8.532-4.624-2.816-3.298-3.082-2.54-0.186NA0.0010.00.0-5.916NANANANA0.00.0-0.629-5.292NANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:ConsolidationItems stwd:OperatingSegmentsAndCorporateNonSegment▇█▇█▆█▁▄▆▅▅▆█-1.182-0.516-1.2770.0-2.207-0.17-8.532-4.624-2.816-3.298-3.082-2.54-0.186NA0.0010.00.0-5.916NANANANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:CommercialAndResidentialLendingSegment▁▆██▇-0.221-0.0680.00.0-0.022NA0.0-0.857NANA0.0-0.73NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:InfrastructureLendingSegment▆▇▆███▁▄▂▁-0.939-0.307-0.7890.00.0-0.17-3.136-2.101-2.816-3.304NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:LNRBusinessSegments-0.022NANANANANA-0.651-0.194NANA-0.1320.0-0.186NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:PropertySegment████▁0.0-0.1410.00.0-2.185NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense ▇▆▇▆▅▆▇▆▆▅▆▅▆▅▅▅▅▅▅█▆▅▆▆▆▆▅▇▇▇█▇▇▁▁▁▁▁▁▁▁▁▁▁▁▁45.26538.63647.01739.47832.67738.70242.83839.76637.57834.9337.25931.20335.52832.14233.74632.89232.5230.42933.26451.4735.40932.79839.26738.69341.40435.26432.82647.6443.09446.10153.81448.33545.3294.2863.2783.0842.7313.0232.4092.1772.762.1921.9331.81.4761.779NANA
us-gaap:IncomeLossFromContinuingOperations ▆▆▆▇▇▁█▇▇▅▆▅▆▆▆▆▆▆▇▆▆▄▆▆▆▆▆█▆▇▆▆▅▅116.31111.378106.968151.834139.656-66.769171.869140.396127.01670.38392.13284.536109.2399.93292.60488.428117.38102.358121.29105.766111.47326.65796.451116.735117.148120.36391.508165.044117.868122.152102.72391.05866.51264.531NANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▆▆▇█▇▁█▇▇▅▆▆▆▆▆▆▇▆▆▆▆▄▅▆▆▇▆█▆▇▅▆▅▅▅▄▄▄▄▃▄▄▃▄▃123.031124.756128.036179.577151.663-72.998182.832154.514135.97976.842100.78297.662120.433107.65107.118102.615132.685101.871127.598108.48112.77727.1486.436124.791121.432136.73102.248171.226124.659128.05290.329105.32274.53164.20158.61650.64344.75950.68741.11714.0434.13531.72518.10723.45111.45NANANA
us-gaap:IncomeTaxExpenseBenefit ▃▄▇█▃▂▅▅▅▄▄▆▅▄▇▆▆▃▅▄▄▄▁▆▅█▇▅▅▅▃▇▇▄▄▄▄▄▄▄▄-3.3532.2313.38114.843-1.298-6.7294.8524.5133.5330.3340.858.2813.3432.85613.2379.8169.452-0.9834.8772.6670.7060.094-10.2127.6753.79215.95110.3633.8364.2775.62-1.63813.72111.1930.7770.1830.3010.140.3990.049-0.4630.823NA0.2180.1680.04NANANA
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems stwd:OperatingSegmentsAndCorporateNonSegment▃▄██▃▂▅▅▅▄▄▆▅▅█▇▆▄▅▅▄▄▁▆-3.3532.2313.38114.843-1.298-6.7294.8524.5133.5330.3340.858.2813.3432.85613.2379.8169.452-0.9834.8772.6670.7060.094-10.2127.675NANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:CommercialAndResidentialLendingSegment▁▄▅█▄▂▃▄▄▃▃▃▄▄-8.0431.5055.55616.73.257-4.4220.043.1941.832-0.248-0.180.3141.720.947NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:InfrastructureLendingSegment▄▅▅▄▄▃█▁▃▃0.0580.0920.120.0860.056-0.1450.657-0.475-0.186-0.085NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:LNRBusinessSegments▅▄▆▃▃▃▅▄▄▄▂▆▄▄▇▆▆▃▅▄▄▄▁▆▅█▆▅▅▅▄▇▇4.6320.6337.705-1.943-4.611-2.1624.021.7941.8870.409-4.8147.8421.0120.64813.1769.8279.325-1.1986.5622.6670.7060.019-10.3187.5093.79215.9819.184.0693.8345.5371.54613.10210.932NANANANANANANANANANANANANANANA
us-gaap:IncomeTaxesPaid ▃▁▄▁▁▁▂▁▃▁▂▂▃▁▅▂▂▁▃▁▁▁▂▄▆▂▆▂▅▂▇█▂▁▁▁6.4460.4259.1081.6040.0880.5692.4361.5786.7860.4842.6772.0915.2520.8813.0454.363.0940.2686.7040.8611.2550.9221.9159.59314.762.90315.5714.24812.0672.72518.28622.581.8870.3270.0460.301NANA0.00.216NANA0.425NANANANANA
us-gaap:InterestExpense ▇▆▆▆▆▇▇▇███▆▆▆▅▅▅▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▁▂▁▁▁▁▁▁▁▁109.653103.374102.26495.981101.493120.025120.775123.156130.126134.672126.755102.65891.59287.18382.05876.43171.31765.8657.56259.08257.63556.5251.52950.68849.79950.53445.83939.73937.69537.83140.67136.74323.94816.98712.7812.0310.46311.8527.0597.3217.0418.1445.8274.9773.3521.632NANA
us-gaap:InterestPaidNet ▆▄▅▄▅▆▇▇██▅▅▄▄▄▃▃▂▁▂102.39280.62495.09482.20793.307109.341114.192114.899123.043129.34996.43293.94571.53275.69673.08664.0462.54151.02339.04254.05NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▆▆▆▇▇▁█▇▇▅▆▅▆▆▆▆▆▆▇▆▆▄▆▆▆▆▆█▆▆▆▆▅▅116.31111.378106.968151.834139.656-66.769171.869140.396127.01670.38392.13284.536109.2399.93292.60488.428117.38102.358121.29105.766111.47326.65796.451116.735117.148120.36391.508165.044117.868120.60194.97387.3660.45462.243NANANANANANA32.42431.447NANA10.8495.941NANA
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▆▇▅██▁▄▆▄▄▅▄▅▄▂▃▄▁▂▁▁▁▁▁▁▁▁▂▂▁▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁10.07411.1487.68712.913.3050.56.1119.6055.436.1257.84.8457.864.8621.2774.3715.8530.4961.4310.0470.5980.3890.1970.3810.4920.4160.3772.3462.5140.281.1761.8861.0571.1812.0990.130.1290.1290.040.0250.8880.2780.3160.60.5610.319NANA
us-gaap:NonoperatingIncomeExpense ▅▅▅▇▆▁█▇▆▄▆▅▆▅▅▅▆▅▇▆▅▃▅▅▅▆▅▆▅▅▅▅▅▄▄▄▃58.10370.40568.877121.308108.289-83.943166.226119.42878.26719.65187.19944.339102.85560.48674.91964.0592.62768.054115.21679.10669.438-22.03354.40760.71375.36379.30850.45110.23271.59575.04246.93873.09347.97823.1916.1598.4723.105NANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▁█0.00.064NANANANA0.029-4.1681.405-2.475-1.962-0.945-8.1764.2182.4265.33711.0052.007-3.2511.331-6.7337.401-6.1932.9128.273-8.308-9.523-9.7654.5581.0465.56310.9670.018-7.061NANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▃▂▃▃▃▁▃▂▃▂▂▃▂▃▃▄▄▃▂▄▃▃▂▂▃▁▁▂▂▃▃▄▂▂▅█▃▄-0.344-2.3391.708-0.5816.982-15.048-1.445-4.7471.326-2.862-9.26-0.214-7.1765.3864.6539.2915.9143.929-4.117.621-0.833.728-9.781-6.3916.539-16.534-13.785-5.281-5.1534.6666.1629.002-10.259-9.13117.49249.8961.42414.861NANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedOtherComprehensiveIncome▃▂▃▃▃▁▃▂▃▂▂▃▂▃▃▄▄▃▂▄▃▃▂▂▃▁▁▂▂▃▃▄▂▂▅█▃▄-0.344-2.3391.708-0.5816.982-15.048-1.445-4.7471.326-2.862-9.26-0.214-7.1765.3864.6539.2915.9143.929-4.117.621-0.833.728-9.781-6.3916.539-16.534-13.785-5.281-5.1534.6666.1629.002-10.259-9.13117.49249.8961.42414.861NANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:Parent▃▂▃▃▃▁▃▂▃▂▂▃▂▃▃▄▄▃▂▄▃▃▂▂▃▁▁▂▂▃▃▄▂▂▅█▃▄-0.344-2.3391.708-0.5816.982-15.048-1.445-4.7471.326-2.862-9.26-0.214-7.1765.3864.6539.2915.9143.929-4.117.621-0.833.728-9.781-6.3916.539-16.534-13.785-5.281-5.1534.6666.1629.002-10.259-9.13117.49249.8961.42414.861NANANANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▁▄▄▄▄▄▄▄▄▄▄▃▄▄▅▄▄▄▅▄█▅▄▄▄▄▅▄▄▄▇▆▄▃▄▄▄▄▄▄▄▃▄▄-5.4730.021-0.4060.3570.2040.126-0.084-0.050.0-0.0730.003-1.4210.4980.1081.760.0280.0910.3652.5120.2698.7142.0151.5890.0640.010.0453.0940.0280.6920.0185.9323.7050.039-1.7260.6920.6211.5480.7541.2640.9750.663-0.4720.0930.042NANANANA
 us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidationItems stwd:OperatingSegmentsAndCorporateNonSegment▁▃▃▃▃▃▃▃▃▃▃▃▃▃▄▃▄▃█▃▇▄▄▃-5.4730.021-0.4060.3570.2040.126-0.084-0.050.0-0.0730.003-1.4210.4980.1081.760.0280.7040.36511.3340.2698.7142.0151.5890.064NANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:CommercialAndResidentialLendingSegment-5.504NANANANANANANANANA0.001-0.0010.00.043NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:InfrastructureLendingSegment▁█0.0020.021NANANANA0.0-0.05NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:LNRBusinessSegments0.029NA0.00.3580.0130.076NANANANA0.002-1.4220.0090.0480.0080.0280.7040.3658.8470.0350.0340.0430.0560.0640.010.0313.4750.0280.657NA0.6240.3740.039NANANANANANANANANANANANANANANA
 us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:PropertySegmentNANA-0.406-0.0010.1910.05NANANANA0.00.0020.4890.017-1.09NANANA0.00.08.680.422NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▇▆▆█▇▁█▇▇▅▆▅▆▆▆▆▆▆▆▆▆▄▆▆▆▆▆█▆▆▆▆▅▅▅▄▄▄▄▃▄▄▃▄▃▃▃▃126.384122.526114.655164.734152.961-66.269177.98150.001132.44676.50899.93289.381117.09104.79493.88192.799123.233102.854122.721105.813112.07127.04696.648117.116117.64120.77991.885167.39120.382120.88196.14991.60163.33863.42458.43250.34244.61950.28841.06814.50333.31231.72517.88923.28311.416.26-0.809-1.771
us-gaap:Revenues █▇█▇▇█▇▇███▇▇▇▆▆▆▅▅▆▅▅▅▅▅▅▅▅▅▅▅▄▄▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁290.867287.23290.562267.427265.606312.56286.428288.33311.181310.48293.418285.719269.556260.587242.832226.767211.569198.72184.477204.705199.992195.493186.223192.145178.66178.849178.778181.368170.75171.979187.949155.536137.03785.17374.71860.81658.42165.952.09550.75341.12731.43324.53822.82217.97812.3984.4110.612
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:Assets ▆▅▅▅▅▅▅▅▅▅▅▄▄▄▄▄▅▅▅▆▆▆▆▆▇▇▇███▇▇▇▁▁▁▁▁▁▁▁▁▁81309.30279702.32380873.50980617.63979556.27977577.18978042.33674434.172947.36172165.58868262.45362921.47960600.75961126.85562941.28962706.26864542.94570478.74177256.26682921.15889386.36194436.30685738.13891819.407101585.236111980.814116099.297116893.937121363.503125172.361110770.575104074.575103185.3964610.9684324.3733805.3473461.5353241.5142997.4472497.2692648.9572392.3972101.405NANANANANA
us-gaap:Liabilities ▅▅▅▅▅▅▅▅▅▅▅▄▄▄▄▄▄▅▅▆▆▆▆▆▇▇▇▇██▇▇▇▁▁▁▁▁▁▁▁▁▁76457.60274847.53876010.93375731.94674691.48372759.83872905.32269521.08668044.1167248.62163362.26458039.20255901.06856422.16858362.08858166.53459982.49665935.38672696.19378815.77685286.26890345.44381567.19587618.22797366.111108100.698112216.385113029.974117548.67121956.714106443.44299761.14699597.0631830.5691527.1681504.1091212.4671449.0831232.3741.042848.5241056.369764.176NANANANANA
us-gaap:LiabilitiesAndStockholdersEquity ▆▅▅▅▅▅▅▅▅▅▅▄▄▄▄▄▅▅▅▆▆▆▆▆▇▇▇███▇▇▇▁▁▁▁▁▁▁▁▁▁81309.30279702.32380873.50980617.63979556.27977577.18978042.33674434.172947.36172165.58868262.45362921.47960600.75961126.85562941.28962706.26864542.94570478.74177256.26682921.15889386.36194436.30685738.13891819.407101585.236111980.814116099.297116893.937121363.503125172.361110770.575104074.575103185.3964610.9684324.3733805.3473461.5353241.5142997.4472497.2692648.9572392.3972101.405NANANANANA
us-gaap:StockholdersEquity █████▇██████▇▇█████▇▇▇▇▇▇▆▆▆▆▅▇▇▆▄▄▃▃▂▂▂▂▁▁4477.3554476.8624488.8984513.8814492.2374448.0584700.4254655.1964637.7074621.0794603.4324621.2374444.8224458.5324478.4144496.7924517.1634501.6094522.2744068.8484060.4644054.4784140.3164170.7734193.8313857.5723860.8563849.0123801.4413204.1434282.5284270.3233546.4862745.4512719.3462295.7492243.5061786.8341759.4881755.7731799.991327.2351327.56NANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:CashAndCashEquivalentsAtCarryingValue ▃▄▆▄▄█▅▃▃▄▂▃▂▃▄▄▃▂▆▅▄▃▄▄▄▄▃▃▅▂▃▅▄▂▂▂▂▁▁▁▁▁▂▂▂▁▆254.567351.19563.217379.87347.734811.656478.388284.117334.288412.27239.824265.757235.419286.155369.448413.845261.894222.518615.522501.557404.82335.219368.815372.768446.478360.72255.187327.322518.627226.471317.627536.834366.787173.074177.671144.199192.841132.565114.02784.83596.73122.692226.854216.973210.469107.994645.129NA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▂▃▆▄▄█▄▂▄▄▃▂▂▂▃▃▁▁▅▄▃360.576469.914722.162511.206524.131931.393574.031394.658516.198545.984487.865390.021325.213379.421418.273468.436305.193262.534650.755553.292445.951NA391.884NANANA303.891NANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
 us-gaap:FurnitureAndFixturesGross us-gaap:StatementBusinessSegments stwd:LNRBusinessSegments█▇▇▇▆▆▅▇▆▆▅▅▄▃▂▂▃▃▃▂▃▂▁▁▁2.9852.8042.6062.5132.3632.2652.1392.7522.472.3742.1581.8711.581.3991.0360.9921.3331.3031.2561.0391.2270.8920.680.680.68NA1.635NANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FurnitureAndFixturesGross us-gaap:StatementBusinessSegments stwd:PropertySegment███▇▇▇▇▆▆▆▆▅▅▅▄▃▃▃▃▂▂▂▁62.53160.92659.63257.89455.76754.27752.56751.14849.19847.21846.04844.45841.99340.88831.02826.03824.65123.67723.03522.31721.60719.59211.98NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ConstructionInProgressGross us-gaap:StatementBusinessSegments stwd:CommercialAndResidentialLendingSegment█▁▁104.13675.24575.245NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AmortizationOfIntangibleAssets ▁▁▁▁▁▁▂▃▃▃▄▆█▆▄▄▄▄▂▄▆▆▄▂2.4492.5492.6352.7882.9733.3024.755.3955.7976.6117.2811.09714.42311.0767.7427.7267.5967.7163.9667.22611.02711.6797.1784.153NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures ▂▂▂▂▂▁▁▃▃▃▅▅▅▄▅█▇▆▆▅▆▆▆▆▆▇▆▂▃▂▃▃96.789100.907108.054104.384104.91387.33484.329126.115119.876124.36171.765168.788166.716160.112185.503243.45229.539201.823204.605185.748200.541196.637199.201199.171204.255209.833193.983110.569118.621104.52122.954138.168NANA32.318NANANANANANANANANANANANANA
us-gaap:Goodwill ████████████▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▁▁259.846259.846259.846259.846259.846259.846259.846259.846259.846259.846259.846256.425140.437140.437140.437140.437140.437140.437140.437140.437140.437140.437140.437140.437140.437140.437140.437140.437140.437140.437140.437107.099100.85NANANANANANANANANANANANANANANA
 us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:ConsolidatedEntities,us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE,stwd:DomesticServicingRights██▇▆▄▁▁▁▁▂▂55.855.354.652.848.843.543.243.043.044.144.6NANANA59.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:ConsolidationItems,us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass srt:ConsolidationEliminations,stwd:DomesticServicingRights██▇▆▅▂▂▁▁▁▁42.142.941.438.234.927.026.224.824.124.324.1NANANA28.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▁▁▁▁▂▂▂▃▄▄▅▅▆▆▆▆▇▇█▅▆▆▇▇▆▄▅▅▅▆▆▇▇65.19366.77270.11774.13976.29382.00585.7119.947129.477136.835145.033153.948166.686179.629183.092181.865191.366202.094219.248155.392177.053180.476201.57191.08175.607138.802144.152145.79156.846168.056177.173187.732190.646NANANANANANANANANANANANANANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▁▃▆█51.48854.36656.91559.55NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA2.908NANANA14.02NANANA18.177NANANA19.695NANANA30.598NANANA26.45222.04920.89718.62719.91519.7310.3386.5394.86NANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:ConsolidatedEntities srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE11.88NA11.247NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByMeasurementFrequency us-gaap:FairValueInputsLevel1,us-gaap:FairValueMeasurementsRecurring11.88NA11.247NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency us-gaap:FairValueMeasurementsRecurring11.88NA11.247NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName stwd:StarwoodEuropeanRealEstateFinanceLimited11.9NA11.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:LongTermDebt NANA1732.52NANANA1928.6221926.6931924.7111922.7951998.8312024.572255.9762252.6312125.2352044.5232039.0862033.3842011.544NANANA1325.243NANANA1418.022NANANANA1312.751708.0971027.82NANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:FairValueByMeasurementBasis us-gaap:CarryingReportedAmountFairValueDisclosure▁▁▁▄▄▄▄▄▄▄▅▅██▆1737.3831735.6581732.521934.5551932.561930.5841928.6221926.6931924.7111922.7951998.8312024.572255.9762252.6312125.235NANANA2011.544NANANA1323.795NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:FairValueByMeasurementBasis us-gaap:PortionAtOtherThanFairValueFairValueDisclosure▁▁▁▃▂▁▄▄▄▄▃▄██▇1802.1311803.2241786.6671917.8051873.8671773.3822022.2832027.8631973.4131962.2081945.162020.9572271.4382287.5222191.285NANANA2088.374NANANA1331.979NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:LongtermDebtType us-gaap:UnsecuredDebt▁▁▁██████1737.3831735.6581732.521934.5551932.561930.5841928.6221926.6931924.711NA1998.831NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest ▇▇▇▇▇▇█▅▅▆▆▅▅▅▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▂▂▂▂▂▁▁▁▁▁▁▁▁374.345377.923373.678371.812372.559369.293436.589257.818265.544295.888296.757261.04254.869246.155100.78742.94243.28641.74637.79936.53439.62936.38530.62730.40725.29422.54422.05614.95113.39211.50444.60543.10641.84734.94877.8595.4895.5625.5975.6590.4540.4438.7939.669NANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA1.272NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA1.281NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA1.29NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA1.35NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA4.461NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:StockholdersEquity █████▇██████▇▇█████▇▇▇▇▇▇▆▆▆▆▅▇▇▆▄▄▃▃▂▂▂▂▁▁4477.3554476.8624488.8984513.8814492.2374448.0584700.4254655.1964637.7074621.0794603.4324621.2374444.8224458.5324478.4144496.7924517.1634501.6094522.2744068.8484060.4644054.4784140.3164170.7734193.8313857.5723860.8563849.0123801.4413204.1434282.5284270.3233546.4862745.4512719.3462295.7492243.5061786.8341759.4881755.7731799.991327.2351327.56NANANANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest █████▇██████▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▅▇▇▅▄▄▃▃▂▂▂▂▂▂▁▁▁▁4851.74854.7854862.5764885.6934864.7964817.3515137.0144913.0144903.2514916.9674900.1894882.2774699.6914704.6874579.2014539.7344560.4494543.3554560.0734105.3824100.0934090.8634170.9434201.184219.1253880.1163882.9123863.9633814.8333215.6474327.1334313.4293588.3332780.3992797.2052301.2382249.0681792.4311765.1471756.2271800.4331336.0281337.229914.654893.795894.989896.035NA
us-gaap:CommonStockValue ████████████▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▅▅▅▄▃▃▂▂▂▂▂▂▁▁2.9522.9432.9212.9182.9162.8942.8742.8712.8642.8552.8082.7932.6752.6712.662.6542.6522.6482.6392.432.4272.4222.412.4072.4022.2552.2482.2362.2321.9671.9611.9591.671.3631.3611.1751.1730.940.9380.9260.9260.7060.706NANANANANA
 us-gaap:AdditionalPaidInCapital us-gaap:CumulativeEffectPeriodOfAdoption srt:CumulativeEffectPeriodOfAdoptionAdjustmentNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AdditionalPaidInCapital us-gaap:CumulativeEffectPeriodOfAdoption,us-gaap:AdjustmentsForNewAccountingPronouncements srt:CumulativeEffectPeriodOfAdoptionAdjustment,stwd:AccountingStandardsUpdate202006NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AdditionalPaidInCapitalCommonStock ███████████▇▇▇▇▇▇▇▇▆▆▆▆▆▆▅▅▅▅▄▆▆▅▄▃▃▃▂▂▂▂▁▁5248.495225.0375209.7395200.7165193.5725159.0695132.5325121.6715103.7715080.1734995.1564963.0614738.9694728.1834715.2464705.0444697.4974689.6984691.184230.5774220.8874210.9044192.8444184.5384173.8693837.043835.7253793.4283784.5753192.2454300.4794295.0583580.0962754.4912721.3532297.9712294.211832.0821828.3191825.0191821.2331341.8371337.953NANANANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▁▁▁▂▂▂▄▄▄▄▄▅▅▅▆▆▆▇▇▇▇▇██████▇▇▇▇▇▇▇▇▇▇▇▇███-677.375-654.75-629.733-599.014-614.093-616.765-381.719-417.529-421.858-413.553-348.998-308.343-260.762-243.438-217.312-184.073-146.863-138.7-115.579-112.303-103.373-100.201-12.2865.8434.1232.55-9.3787.302-49.686-59.542-84.719-85.339-84.923-70.305-72.401-54.938-53.522-46.409-55.129-54.726-27.648-18.394-19.302NANANANANA
 us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:ConsolidationItems stwd:OperatingSegmentsAndCorporateNonSegment▁▁▂▂▂▂▅▄▄▄▅▆▆▆▇▇████-677.375-654.75-629.733-599.014-614.093-616.765-381.719-417.529-421.858-413.553-348.998-308.343-260.762-243.438-217.312-184.073-146.863-138.7-115.579-112.303NANA-12.286NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:ConsolidationItems us-gaap:CorporateNonSegment▁▁▂▂▂▂▃▃▃▄▄▄▄▅▅▅▅▆▆▆▇▇▇▇███-6235.729-6035.338-5820.453-5607.563-5418.381-5232.167-5052.197-4835.658-4642.753-4468.8-4289.313-4097.321-3899.35-3704.387-3499.042-3299.719-3109.751-2925.463-2736.429-2536.219-2366.73-2198.595-2032.197-1847.894-1677.067-1506.284-1336.94NANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:CommercialAndResidentialLendingSegment█▇▆▅▄▄▄▃▂▂▁4257.5874111.163956.4053803.3363627.3923493.1193463.1583357.8393245.8753120.1663015.676NANANA2609.05NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:InfrastructureLendingSegment█▇▆▄▂▁▄▃▃▃▂▂31.46724.8418.3285.013-5.35-9.8466.8913.6240.915-0.458-2.573-6.392NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:LNRBusinessSegments████▇▇▇▇▆▆▁1316.9941285.2291260.8191243.0981222.9451163.581194.9981095.6021017.156967.32613.57NA824.267759.611687.015639.359551.915456.742390.994335.727270.081218.873221.073180.456113.30940.576-3.408-23.452-109.9-166.373-207.233NANANANANANANANANANANANANANANANANA
 us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stwd:PropertySegment▁▂▁▁▂▂▅▂▁▂▆▅▅▃▄▃▇██▅▅▄▅▅▅-47.694-40.641-44.832-42.898-40.699-31.4515.431-38.936-43.051-31.78713.575.775-0.788-17.229-14.335-19.24927.23545.66943.1295.45510.174-4.6698.1334.723.554NA2.176NANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:CumulativeEffectPeriodOfAdoption srt:CumulativeEffectPeriodOfAdoptionAdjustmentNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:CumulativeEffectPeriodOfAdoption,us-gaap:AdjustmentsForNewAccountingPronouncements srt:CumulativeEffectPeriodOfAdoptionAdjustment,stwd:AccountingStandardsUpdate202006NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▅▅▅▅▅▅▆▆▆▆▆▇▇█▇▇▆▅▅▅▄▄▄▅▅▅▆▇███▇▆▇█▇▃▃▁▁▂▂▂41.3141.65443.99342.28542.86635.88450.93252.37757.12455.79858.6667.9268.13475.3169.92465.27155.98140.06736.13840.24832.62733.45729.72939.5145.90139.36255.89669.68174.96280.11575.44969.28760.28570.54479.67562.18312.28710.863-3.998-9.4655.4793.0868.203NANANANANA
us-gaap:MinorityInterest ▇▇▇▇▇▇█▅▅▆▆▅▅▅▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▂▂▂▂▂▁▁▁▁▁▁▁▁374.345377.923373.678371.812372.559369.293436.589257.818265.544295.888296.757261.04254.869246.155100.78742.94243.28641.74637.79936.53439.62936.38530.62730.40725.29422.54422.05614.95113.39211.50444.60543.10641.84734.94877.8595.4895.5625.5975.6590.4540.4438.7939.669NANANANANA
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders ▁▁▁▁▁▃▁▁▂▁▁▁▁█▄▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▁▁▁▂▂▁▁▁▁▁▁▁▁▁▁▁9.1448.8339.48212.20710.03866.4768.42710.67723.9026.9529.2579.5968.154229.39788.4913.921.8731.7261.5343.051.7680.5820.8620.4670.4330.3590.2980.1731.62231.7870.1910.383.43644.09823.9790.2030.1640.1910.0740.0148.4020.8513.440.2980.2990.299NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▆█▂█▅█▃▁▃▇▆▂▄▄▅▃▂▆▄17.221270.766519.399-243.589579.006190.732556.592-86.941-390.132-92.718410.823322.314-240.06392.396-24.411122.609-149.016-196.021355.4652.62NANANANANANANANANANANANANANANANANANANANA-45.892-46.219NANA15.4493.591NANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▄▆▆▇▆▄▇█▆▆▁▆█▆▅▇▆▄█-246.529-1119.205-341.849-329.2213.427-454.183-1174.014197.378430.349-229.581-108.272-2420.089-387.875395.427-127.559-655.7232.867-286.148-1278.457549.127NANANANANANANANANANANANANANANANANANANANA-311.561-252.733NANA-154.499-561.949NANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▅▄▅▁▅▅▃▃▄▃█▅▂▄▅▄▄▆▂120.608597.23333.203559.449-1199.449620.08795.581-229.88-69.652380.672-205.6712162.811574.657-527.073100.248695.696157.97193.7691022.568-494.529NANANANANANANANANANANANANANANANANANANANA331.491194.79NANA241.52521.223NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
 us-gaap:AmortizationOfFinancingCosts us-gaap:DebtInstrument us-gaap:CollateralizedLoanObligations█▁▁▂▁▁1.40.60.60.70.60.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AmortizationOfFinancingCosts us-gaap:LongtermDebtType us-gaap:SecuredDebt▇███▇▇█▇▇▇█▅▄▄▄▃▃▃▃▂▃▂▂▂▂▂▂▁▁▁8.99.59.19.59.08.89.48.18.18.79.56.65.85.15.15.04.74.74.13.94.33.93.43.83.53.53.12.92.62.9NANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▆█▂█▅█▃▁▃▇▆▂▄▄▅▃▂▆▄17.221270.766519.399-243.589579.006190.732556.592-86.941-390.132-92.718410.823322.314-240.06392.396-24.411122.609-149.016-196.021355.4652.62NANANANANANANANANANANANANANANANANANANANA-45.892-46.219NANA15.4493.591NANA
us-gaap:NetIncomeLoss ▆▆▆▇▇▁█▇▇▅▆▅▆▆▆▆▆▆▇▆▆▄▆▆▆▆▆█▆▆▆▆▅▅116.31111.378106.968151.834139.656-66.769171.869140.396127.01670.38392.13284.536109.2399.93292.60488.428117.38102.358121.29105.766111.47326.65796.451116.735117.148120.36391.508165.044117.868120.60194.97387.3660.45462.243NANANANANANA32.42431.447NANA10.8495.941NANA
us-gaap:ProfitLoss ▇▆▆█▇▁█▇▇▅▆▅▆▆▆▆▆▆▆▆▆▄▆▆▆▆▆█▆▆▆▆▅▅▅▄▄▄▄▃▄▄▃▄▃▃▃▃126.384122.526114.655164.734152.961-66.269177.98150.001132.44676.50899.93289.381117.09104.79493.88192.799123.233102.854122.721105.813112.07127.04696.648117.116117.64120.77991.885167.39120.382120.88196.14991.60163.33863.42458.43250.34244.61950.28841.06814.50333.31231.72517.88923.28311.416.26-0.809-1.771
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▄▆▆▇▆▄▇█▆▆▁▆█▆▅▇▆▄█-246.529-1119.205-341.849-329.2213.427-454.183-1174.014197.378430.349-229.581-108.272-2420.089-387.875395.427-127.559-655.7232.867-286.148-1278.457549.127NANANANANANANANANANANANANANANANANANANANA-311.561-252.733NANA-154.499-561.949NANA
us-gaap:PaymentsToAcquireInvestments NANA0.06.28810.3915.72993.093NANANA180.061291.874NANA29.16361.798NANA0.8318.868266.30584.33719.015.59580.17667.247122.19213.77743.5639.89397.08923.27822.30137.17550.59795.819NANANANANA0.287NANANA2.572NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▅▄▅▁▅▅▃▃▄▃█▅▂▄▅▄▄▆▂120.608597.23333.203559.449-1199.449620.08795.581-229.88-69.652380.672-205.6712162.811574.657-527.073100.248695.696157.97193.7691022.568-494.529NANANANANANANANANANANANANANANANANANANANA331.491194.79NANA241.52521.223NANA
us-gaap:ProceedsFromIssuanceOfLongTermDebt █▅▄▂▁▅█▅▁▄▅▇▂▂▄▃▁▂▅▁▁▁4045.0462748.3172165.0071248.624930.0172756.9154083.132812.424960.8832310.9022567.5773843.4031486.4941515.2412183.4371955.918928.5541205.6912865.1121099.3211068.407991.192NANANANANANANA997.7671699.7321077.2491266.612347.521407.174572.254415.015383.037587.541237.663455.898322.927193.7455.0253.9625.0NANA
us-gaap:RepaymentsOfLongTermDebt █▅▅▂▅▅▇▇▃▅▆▄▃▄▅▃▂▃▅▄▃▂▃▃▄▃▃▃▃▂▃▃▃▂▂▂▂▁▁▂▂▁▁▁▁▁3537.3282001.3361915.779505.4411792.8041923.7543121.3292870.7900.2371778.8192480.161469.876781.1251629.4491862.331133.758632.892957.5292127.5811427.4171084.655626.4621045.717844.0211598.628847.288960.12949.785853.479656.5731210.5351200.453848.471625.513410.812328.192658.487177.69488.359360.016533.76898.02866.8171.8170.7620.044NANA
us-gaap:PaymentsOfDividendsCommonStock ████▇▇▇▇▇▆▆▄▄▄▄▄▄▄▁▁▁▁138.384137.667137.992137.269135.735135.889135.905135.218134.786132.515131.87126.425125.941125.73125.602126.136125.419124.506114.681114.519114.527114.624NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock NANA4.9980.00.028.83NA0.00.00.00.00.00.012.09NANANANA0.00.0NANA18.95427.524NANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:AssetsSoldUnderAgreementsToRepurchase us-gaap:MortgageBackedSecurities▁█3.2099999999999998e-063.29e-06NA3.5e-063.5e-083.49e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:CreditFacility,us-gaap:VariableRate us-gaap:RevolvingCreditFacility,us-gaap:LondonInterbankOfferedRateLIBOR▄▄▄3e-063e-063e-06NANANA3e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument stwd:ConvertibleSeniorNotesDue2023▄▄4.3799999999999996e-064.3799999999999996e-06NA4.3799999999999996e-064.38e-084.38e-084.38e-084.38e-084.38e-084.38e-084.38e-084.38e-084.38e-084.38e-084.38e-084.38e-084.38e-084.38e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument stwd:ConvertibleSeniorNotesDue2025████▁▁▁▁▁▁▁▁▁▁▁4.75e-064.75e-064.75e-064.75e-064.75e-084.75e-084.75e-084.75e-084.75e-084.75e-084.75e-084.75e-084.75e-084.75e-084.75e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument stwd:ResidentialFinancingFacilityNANANA3.5e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument stwd:SeniorNotes3625Due2021NANANA3.63e-063.63e-083.63e-083.63e-083.63e-083.63e-083.63e-083.63e-083.63e-083.63e-083.63e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument stwd:SeniorNotes550Due2023NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument stwd:SeniorNotesDue2021▄▄5e-065e-06NA5e-065.0000000000000004e-085.0000000000000004e-085.0000000000000004e-085.0000000000000004e-085.0000000000000004e-085.0000000000000004e-085.0000000000000004e-085.0000000000000004e-085.0000000000000004e-085.0000000000000004e-085.0000000000000004e-085.0000000000000004e-085.0000000000000004e-085.0000000000000004e-085.0000000000000004e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType stwd:FirstMortgageAndMezzanine,us-gaap:SecuredDebtNANA3.3399999999999998e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType stwd:PropertyMortgagesFixedRate,us-gaap:SecuredDebt▄▄4.03e-064.03e-06NA4e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType us-gaap:FederalHomeLoanBankAdvances,us-gaap:SecuredDebtNANA2.06e-061.99e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType,us-gaap:SubsequentEventType,us-gaap:VariableRate stwd:ResidentialRepurchaseFacility,us-gaap:SecuredDebt,us-gaap:SubsequentEvent,stwd:OneMonthLondonInterBankOfferRateNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:SubsequentEventType stwd:SeniorNotes550Due2023,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range,us-gaap:AssetsSoldUnderAgreementsToRepurchase srt:WeightedAverage,us-gaap:MortgageBackedSecuritiesNANA3.29e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range,us-gaap:AssetsSoldUnderAgreementsToRepurchase,us-gaap:VariableRate srt:WeightedAverage,us-gaap:CommercialLoan,us-gaap:LondonInterbankOfferedRateLIBOR█▁2.0699999999999997e-062.01e-06NA2.02e-061.8599999999999998e-081.92e-081.8999999999999998e-081.93e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range,us-gaap:AssetsSoldUnderAgreementsToRepurchase,us-gaap:VariableRate srt:WeightedAverage,us-gaap:MortgageBackedSecurities,us-gaap:LondonInterbankOfferedRateLIBOR▁█1.8400000000000002e-061.92e-06NA1.57e-061.78e-081.66e-081.5800000000000003e-081.55e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value2952000.02943000.02921000.02918000.02916000.02894000.02874000.02871000.02864000.02855000.02808000.02793000.02675000.02671000.02660000.02654000.02652000.02648000.02639000.02430000.02427000.02422000.02410000.02407000.02402000.02255000.02248000.02236000.02232000.01967000.01961000.01959000.01670000.01363000.01361000.01175000.01173000.0940000.0938000.0926000.0926000.0706000.0706000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockValue us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value2952000.02943000.02921000.02918000.02916000.02894000.02874000.02871000.02864000.02855000.02808000.02793000.02675000.02671000.02660000.02654000.02652000.02648000.02639000.02430000.02410000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets stwd:OperatingSegmentsAndCorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CorporateNonSegment


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value2952000.02943000.02921000.02918000.02916000.02894000.02874000.02871000.02864000.02855000.02808000.02793000.02675000.02671000.02660000.02654000.02652000.02648000.02639000.02430000.02427000.02422000.02410000.02407000.02402000.02255000.02248000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CorporateNonSegment1.91.20.70.80.90.40.71.81.00.91.51.31.71.30.90.91.31.70.50.81.31.71.01.11.01.63.8

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value29429329229128028928927726528826226226226224123723623723522922322219817216313611711294948372484848
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:RestrictedStock


Antidilutive
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-31
Value141313111.91.51.82.91.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:EquityInterestIssuedOrIssuableByType

stwd:ClassaUnits


Antidilutive
Period End2021-03-31
Value10
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount72.6

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value0.40.390.370.530.49-0.240.610.50.450.250.330.310.410.380.350.340.450.390.50.440.470.110.40.490.490.530.410.730.530.610.480.520.380.460.420.430.40.530.440.160.40.440.330.470.230.12-0.02-0.04
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value0.40.380.370.520.49-0.240.60.490.450.250.330.310.40.380.350.330.440.390.490.440.470.110.40.490.490.520.40.730.520.60.480.520.380.460.420.430.40.530.440.150.390.430.330.470.220.12-0.02-0.04
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType, us-gaap:PlanName

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:RestrictedStockUnitsRSU, stwd:StarwoodPropertyTrustIncManagerEquityPlan


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-09-30
Value4.55.96.03.43.45.25.08.83.23.23.23.23.32.97.06.76.36.86.73.33.94.04.1
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.52.12.11.31.31.71.73.11.01.01.11.11.21.13.93.73.54.03.91.82.52.96.7
Percentage of Revenues us-gaap:RestrictedStockUnitsRSU stwd:StarwoodPropertyTrustIncManagerEquityPlan0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType, us-gaap:RelatedPartyTransactionsByRelatedParty

stwd:RestrictedStockAwards, stwd:SPTManagementLLC


Allocated
Period End2021-06-302021-03-312020-06-302020-03-31
Value2.22.41.31.1
Percentage of AllocatedShareBasedCompensationExpense48.940.738.221.2
Percentage of Revenues0.80.80.50.4
Percentage of Revenues stwd:RestrictedStockAwards stwd:SPTManagementLLC0.00.00.00.0

us-gaap:RestrictedStockUnitsRSU, stwd:SPTManagementLLC


Allocated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.90.11.31.11.11.21.00.80.80.80.80.50.60.70.80.60.60.60.60.4
Percentage of AllocatedShareBasedCompensationExpense15.02.938.221.222.013.631.225.025.025.024.217.20.00.00.00.00.00.00.00.0
Percentage of Revenues0.30.00.50.40.40.40.30.30.30.30.30.20.20.30.40.30.30.30.30.2
Percentage of Revenues us-gaap:RestrictedStockUnitsRSU stwd:SPTManagementLLC0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value115109108151146-81.81717013512867828410210597971331061171131103086110123103771591121259698525373100456546-0.466342617339.3535.813
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues39.938.037.456.655.2-26.259.547.041.221.728.229.537.940.440.143.163.053.563.555.455.315.546.557.469.258.143.588.166.072.851.663.538.062.498.8164.678.698.789.3-0.984.783.670.0145.652.046.9

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value10117.68712130.56.1119.6055.436.1257.84.8457.864.8621.2774.3715.8530.4961.4310.0470.5980.3890.1970.3810.4920.4160.3772.3462.5140.281.1761.8861.0571.1812.0990.130.1290.1290.040.0250.0520.025-0.1392.1940.561
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.53.92.64.85.00.22.13.31.72.02.71.72.91.90.51.92.80.20.80.00.30.20.10.20.30.20.21.31.50.20.61.20.81.42.80.20.20.20.10.00.10.1-0.69.63.1

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value126120116164159-81.3171761451337390891091109810213910611811311130861101241047816211512598100535475100466546-0.441342617359.9145.813
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues43.341.840.061.460.2-26.061.650.443.023.730.931.240.842.340.645.065.853.764.355.455.615.746.657.669.558.343.789.467.573.052.264.738.763.7101.6164.878.898.989.3-0.984.883.769.4155.255.146.9

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value22523223120922230126925325325327923225121321018817116417217515614615412813212112612011711814412311040353027
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues77.781.179.678.283.796.594.287.881.581.695.481.393.581.986.783.081.183.093.385.778.374.882.866.774.267.971.066.468.969.276.979.380.648.047.650.646.7

us-gaap:CostsAndExpenses us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value226232231209222301269253253253279232252213210188171165172175156146153127
Percentage of CostsAndExpenses100.1100.0100.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.1100.1100.0100.099.899.999.999.8
Percentage of Revenues77.781.179.778.283.696.594.287.981.581.695.481.493.581.986.883.081.183.093.385.678.274.782.766.5
Percentage of Revenues stwd:OperatingSegmentsAndCorporateNonSegment68.772.90.068.575.187.90.077.472.074.30.071.482.570.80.070.864.966.70.070.364.559.60.050.0

us-gaap:CorporateNonSegment


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value627173535373746253547659626672645857695553536955545567474849
Percentage of CostsAndExpenses27.630.832.025.424.224.327.724.521.321.427.225.524.731.134.634.234.335.040.331.434.136.545.243.641.245.853.139.140.841.7
Percentage of Revenues21.424.925.519.820.223.426.121.617.317.425.920.723.025.530.028.427.829.037.626.926.727.337.429.030.531.137.725.928.128.8
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.0899116.7270645.00.066477.572241.9127569.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MaterialReconcilingItems


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value-0.125-0.093-0.1270.0970.085-0.047-0.037-0.057-0.027-0.0230.02-0.079-0.085-0.091-0.083-0.085-0.151-0.132-0.0490.0320.2370.2190.2160.2640.2290.2360.2290.2190.2210.2240.2510.2290.165
Percentage of CostsAndExpenses-0.1-0.0-0.10.00.0-0.0-0.0-0.0-0.0-0.00.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.00.00.20.10.10.20.20.20.20.20.20.20.20.20.1
Percentage of Revenues-0.0-0.0-0.00.00.0-0.0-0.0-0.0-0.0-0.00.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.00.00.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Revenues us-gaap:MaterialReconcilingItems0.30.30.0-0.3-0.30.20.00.10.10.10.00.20.20.20.00.20.30.30.0-0.1-0.6-0.40.0-0.4-0.4-0.60.0-0.5-0.5-0.70.0-0.6-0.8

us-gaap:CostsAndExpenses us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value47565053641046160696964526841
Percentage of CostsAndExpenses21.024.222.025.828.934.723.024.127.227.323.222.427.219.2
Percentage of Revenues16.319.617.620.224.233.521.621.122.222.322.118.325.415.8
Percentage of Revenues us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment25.829.60.031.138.149.60.037.236.839.60.032.943.627.4

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value14125.5558.262142621182123239.52
Percentage of CostsAndExpenses6.35.62.44.06.48.68.07.48.59.48.54.1
Percentage of Revenues4.94.51.93.15.38.37.56.56.97.78.13.3
Percentage of Revenues us-gaap:OperatingSegments stwd:InfrastructureLendingSegment65.166.60.044.570.9112.10.079.582.383.70.0297.1

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value403239332836434240384238423716403738415838354037403767585756626048
Percentage of CostsAndExpenses17.813.917.215.813.012.216.116.716.115.315.216.816.817.78.121.422.123.224.333.324.424.026.429.430.931.053.348.648.547.442.948.943.7
Percentage of Revenues13.811.313.712.410.911.815.114.713.112.514.513.615.714.57.017.717.919.222.728.519.118.021.919.622.921.137.832.233.432.833.038.835.3
Percentage of Revenues us-gaap:OperatingSegments stwd:LNRBusinessSegments70.072.90.067.365.883.00.062.762.157.80.044.657.544.40.055.742.747.60.063.546.537.10.033.137.744.20.058.059.765.90.071.970.2

us-gaap:OperatingSegments, stwd:PropertySegment


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value61596160616068696867727279688149474434313431199.7047.2610.002
Percentage of CostsAndExpenses27.325.526.529.127.520.125.227.326.926.625.931.331.432.038.626.227.426.920.117.821.821.512.57.65.50.0
Percentage of Revenues21.220.721.122.723.019.423.824.021.921.724.725.429.326.233.421.722.222.318.715.217.116.110.35.14.10.0
Percentage of Revenues us-gaap:OperatingSegments stwd:PropertySegment94.391.30.095.096.094.70.095.594.295.60.095.3106.1102.30.0103.1101.298.70.0106.6115.4119.80.0133.2205.30.0

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-07-312019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-31
Value-1182000.0-516000.0-1277000.00-2207000.0-170000.0-8532000.0-4624000.01500000.0-2816000.0-3298000.0-3082000.0-2540000.0-186000.01000.000-5916000.000-629000.0-5292000.0
Percentage of GainsLossesOnExtinguishmentOfDebt100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.0100.0100.0
Percentage of Revenues-0.4-0.2-0.40.0-0.8-0.1-3.0-1.60.0-0.9-1.1-1.1-0.9-0.10.00.00.0-3.00.00.0-0.4-3.0

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Gains
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312015-12-31
Value-1182000.0-516000.0-1277000.00-2207000.0-170000.0-8532000.0-4624000.0-2816000.0-3298000.0-3082000.0-2540000.0-186000.01000.000-5916000.00
Percentage of GainsLossesOnExtinguishmentOfDebt100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0
Percentage of Revenues-0.4-0.2-0.40.0-0.8-0.1-3.0-1.6-0.9-1.1-1.1-0.9-0.10.00.00.0-3.00.0
Percentage of Revenues stwd:OperatingSegmentsAndCorporateNonSegment-0.4-0.20.00.0-0.7-0.00.0-1.4-0.8-1.00.0-0.8-0.10.00.00.0-2.40.0

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

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Gains
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302018-12-312018-09-30
Value-221000.0-68000.000-22000.00-857000.00-730000.0
Percentage of GainsLossesOnExtinguishmentOfDebt18.713.2-0.00.01.0-0.018.5-0.028.7
Percentage of Revenues-0.1-0.00.00.0-0.00.0-0.30.0-0.3
Percentage of Revenues us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment-0.1-0.00.00.0-0.00.0-0.50.0-0.5

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


Gains
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-939000.0-307000.0-789000.000-170000.0-3136000.0-2101000.0-2816000.0-3304000.0
Percentage of GainsLossesOnExtinguishmentOfDebt79.459.561.80.0-0.0100.036.845.4100.0100.2
Percentage of Revenues-0.3-0.1-0.30.00.0-0.1-1.1-0.7-0.9-1.1
Percentage of Revenues us-gaap:OperatingSegments stwd:InfrastructureLendingSegment-4.3-1.60.00.00.0-0.70.0-8.9-10.8-11.6

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Gains
Period End2021-06-302019-12-312019-09-302018-12-312018-09-302018-06-30
Value-22000.0-651000.0-194000.0-132000.00-186000.0
Percentage of GainsLossesOnExtinguishmentOfDebt1.97.64.24.3-0.0100.0
Percentage of Revenues-0.0-0.2-0.1-0.00.0-0.1
Percentage of Revenues us-gaap:OperatingSegments stwd:LNRBusinessSegments-0.00.0-0.30.00.0-0.3

us-gaap:OperatingSegments, stwd:PropertySegment


Gains
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value0-141000.000-2185000.0
Percentage of GainsLossesOnExtinguishmentOfDebt-0.027.3-0.00.099.0
Percentage of Revenues0.0-0.00.00.0-0.8
Percentage of Revenues us-gaap:OperatingSegments stwd:PropertySegment0.0-0.20.00.0-3.4

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4538473932384239373437313532333232303351353239384135324743465348454.2863.2783.0842.7313.0232.4092.1772.762.1921.9331.81.4761.779
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues15.613.516.214.812.312.415.013.812.111.312.710.913.212.313.914.515.415.318.025.117.716.821.120.123.219.718.426.325.226.828.631.133.15.04.45.14.74.64.64.36.77.07.97.98.214.3

us-gaap:GeneralAndAdministrativeExpense us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value453846393238423937343731353233323230335135323938
Percentage of GeneralAndAdministrativeExpense99.899.899.899.899.799.899.899.899.899.799.899.799.899.799.799.899.899.799.599.799.599.599.699.5
Percentage of Revenues15.513.416.214.712.312.414.913.812.011.212.710.913.112.313.914.515.315.317.925.117.616.721.020.0
Percentage of Revenues stwd:OperatingSegmentsAndCorporateNonSegment13.712.10.012.911.011.20.012.110.610.20.09.611.610.60.012.312.312.30.020.614.513.30.015.1

us-gaap:CorporateNonSegment


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value4.4894.3114.2073.4363.3684.3013.2523.1844.0193.2263.1452.7533.3672.4822.1922.2513.2982.171.6121.6513.132.851.7022.2012.3431.0290.6191.3782.4691.421
Percentage of GeneralAndAdministrativeExpense9.911.28.98.710.311.17.68.010.79.28.48.89.57.76.56.810.17.14.83.28.88.74.35.75.72.91.92.95.73.1
Percentage of Revenues1.51.51.41.31.31.41.11.11.31.01.11.01.21.00.91.01.61.10.90.81.61.50.91.11.30.60.30.81.40.8
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.066983.316130.00.03093.33915.14773.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MaterialReconcilingItems


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value0.0850.0870.0850.0840.0830.0840.0850.0780.0920.0880.0830.0860.0840.0860.0930.0820.0740.0870.1710.1740.1810.1770.1750.1780.1780.1860.1790.1770.1810.1860.1930.1830.147
Percentage of GeneralAndAdministrativeExpense0.20.20.20.20.30.20.20.20.20.30.20.30.20.30.30.20.20.30.50.30.50.50.40.50.40.50.50.40.40.40.40.40.3
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Revenues us-gaap:MaterialReconcilingItems-0.2-0.30.0-0.2-0.3-0.30.0-0.2-0.2-0.30.0-0.2-0.2-0.20.0-0.2-0.1-0.20.0-0.4-0.4-0.40.0-0.3-0.3-0.40.0-0.4-0.4-0.50.0-0.5-0.7

us-gaap:GeneralAndAdministrativeExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value101112128.6158.1328.8557.1046.7546.7686.3627.0166.2516.695
Percentage of GeneralAndAdministrativeExpense23.029.327.131.626.421.020.717.918.019.417.122.517.620.8
Percentage of Revenues3.63.94.44.73.22.63.12.52.22.22.22.52.32.6
Percentage of Revenues us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment5.65.90.07.25.13.80.04.33.63.90.04.44.04.5

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3.5323.4423.3453.5684.3374.4234.6364.3154.834.4795.0940.537
Percentage of GeneralAndAdministrativeExpense7.88.97.19.013.311.410.810.912.912.813.71.7
Percentage of Revenues1.21.21.21.31.61.41.61.51.61.41.70.2
Percentage of Revenues us-gaap:OperatingSegments stwd:InfrastructureLendingSegment16.217.70.019.221.819.00.018.318.515.70.016.8

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value251825181420252220182019232191242222254326253130322930383438484340
Percentage of GeneralAndAdministrativeExpense56.847.754.347.745.953.458.857.653.754.056.361.367.165.4270.173.570.174.276.484.975.577.180.878.078.882.891.480.681.284.189.990.589.5
Percentage of Revenues8.86.48.87.05.66.68.87.96.56.17.16.78.88.137.510.710.811.413.821.413.412.917.015.718.316.316.821.220.522.525.728.129.6
Percentage of Revenues us-gaap:OperatingSegments stwd:LNRBusinessSegments44.741.40.038.334.046.50.034.030.728.20.021.932.424.70.033.525.728.10.047.632.526.80.026.630.034.30.038.136.645.30.052.258.9

us-gaap:OperatingSegments, stwd:PropertySegment


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1.0281.0231.0891.0941.2811.0780.8382.171.7061.5181.6031.681.9711.859-64.8021.091.01.3811.0790.8670.8370.5550.8030.2260.1740.002
Percentage of GeneralAndAdministrativeExpense2.32.62.32.83.92.82.05.54.54.34.35.45.55.8-192.03.33.14.53.21.72.41.72.00.60.40.0
Percentage of Revenues0.40.40.40.40.50.30.30.80.50.50.50.60.70.7-26.70.50.50.70.60.40.40.30.40.10.10.0
Percentage of Revenues us-gaap:OperatingSegments stwd:PropertySegment1.61.60.01.72.01.70.03.02.42.20.02.22.62.80.02.32.23.10.03.02.82.10.03.14.90.0

Income Loss From Continuing Operations

us-gaap:IncomeLossFromContinuingOperations

us-gaap:IncomeLossFromContinuingOperations


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value116111106151139-66.769171140127709284109999288117102121105111269611611712091165117122102916664
Percentage of IncomeLossFromContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues40.038.836.856.852.6-21.460.048.740.822.731.429.640.538.338.139.055.551.565.751.755.713.651.860.865.667.351.291.069.071.054.758.548.575.8

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value123124128179151-72.998182154135761009712010710710213210112710811227861241211361021711241289010574645850445041143431182311
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues42.343.444.167.157.1-23.463.853.643.724.734.334.244.741.344.145.362.751.369.253.056.413.946.464.968.076.457.294.473.074.548.167.754.475.478.483.376.676.978.927.783.0100.973.8102.863.7

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value123124128179151-73.15418215413676100971201071061011271011271081122786124
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.5100.0100.0100.0100.0100.299.999.9100.099.799.7100.199.799.599.998.995.999.5100.0100.299.899.6100.199.9
Percentage of Revenues42.543.444.167.157.1-23.463.853.543.724.734.234.244.541.144.144.860.151.069.153.156.313.846.464.9
Percentage of Revenues stwd:OperatingSegmentsAndCorporateNonSegment37.639.00.058.851.2-21.30.047.238.622.50.030.039.335.50.038.248.141.00.043.646.411.00.048.8

us-gaap:CorporateNonSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-61.449-78.49-75.204-52.427-49.23-43.978-80.481-56.838-38.632-44.549-59.204-65.855-68.409-79.286-73.479-64.33-58.745-63.555-75.644-54.793-53.491-51.826-69.724-55.811-55.207-60.911-67.429-47.063-48.055-49.613
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-49.9-62.9-58.7-29.2-32.560.2-44.0-36.8-28.4-58.0-58.7-67.4-56.8-73.7-68.6-62.7-44.3-62.4-59.3-50.5-47.4-191.0-80.7-44.7-45.5-44.5-65.9-27.5-38.5-38.7
Percentage of Revenues-21.1-27.3-25.9-19.6-18.5-14.1-28.1-19.7-12.4-14.3-20.2-23.0-25.4-30.4-30.3-28.4-27.8-32.0-41.0-26.8-26.7-26.5-37.4-29.0-30.9-34.1-37.7-25.9-28.1-28.8
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.0-643866.7-222745.00.0-73994.4-79545.3-152473.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MaterialReconcilingItems


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value-0.6010.060.010.030.0240.1560.1380.136-0.0630.2520.291-0.1380.3880.5320.1221.0955.470.5180.059-0.2050.2470.113-0.0630.1070.1580.070.0992.143-0.4910.049-0.290.4190.106
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-0.50.00.00.00.0-0.20.10.1-0.00.30.3-0.10.30.50.11.14.10.50.0-0.20.20.4-0.10.10.10.10.11.3-0.40.0-0.30.40.1
Percentage of Revenues-0.20.00.00.00.00.00.00.0-0.00.10.1-0.00.10.20.10.52.60.30.0-0.10.10.1-0.00.10.10.00.11.2-0.30.0-0.20.30.1
Percentage of Revenues us-gaap:MaterialReconcilingItems1.6-0.20.0-0.1-0.1-0.50.0-0.30.2-0.80.00.3-1.1-1.30.0-2.8-10.4-1.10.00.5-0.6-0.20.0-0.2-0.2-0.20.0-5.11.1-0.10.0-1.1-0.5

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value132155158192137401051151271048911197110
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest108.0124.5123.9107.390.7-55.057.674.593.8136.189.1114.381.1102.9
Percentage of Revenues45.754.154.672.051.812.836.839.941.033.730.639.136.242.5
Percentage of Revenues us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment72.081.50.0111.081.719.00.070.367.959.80.070.462.074.0

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value6.6876.60413104.552-4.173.9232.2351.1862.0314.111-6.392
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest5.45.310.55.83.05.72.11.40.92.64.1-6.5
Percentage of Revenues2.32.34.63.91.7-1.31.40.80.40.71.4-2.2
Percentage of Revenues us-gaap:OperatingSegments stwd:InfrastructureLendingSegment30.733.90.056.322.9-17.90.09.54.57.10.0-199.5

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value4231272662-38.3511048451534647697439210010464656851-2.2554474768229995668405243
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest34.324.921.914.541.552.556.954.738.170.146.348.157.369.4366.997.678.863.151.163.246.0-8.352.059.863.060.528.658.345.253.444.349.858.7
Percentage of Revenues14.510.89.69.723.7-12.336.329.316.717.415.916.525.628.7161.844.249.432.335.333.526.0-1.224.138.842.846.316.355.133.039.721.333.731.9
Percentage of Revenues us-gaap:OperatingSegments stwd:LNRBusinessSegments73.369.70.053.0142.7-86.20.0125.379.080.50.053.893.887.80.0138.7117.879.90.074.763.1-2.40.065.670.497.10.099.058.879.80.062.663.5

us-gaap:OperatingSegments, stwd:PropertySegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value3.343103.1672.872-4.137-26.771499.365-5.909-39.3821911210.82-327.294-46.485-18.4342.5437-4.71914-12.8023.4141.165-1.2282.606
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest2.78.22.51.6-2.736.727.26.1-4.3-51.318.911.718.00.8-305.5-45.3-13.92.529.5-4.413.2-47.23.90.9-1.01.9
Percentage of Revenues1.13.61.11.1-1.6-8.617.43.2-1.9-12.76.54.08.10.3-134.8-20.5-8.71.320.4-2.37.4-6.51.80.6-0.71.5
Percentage of Revenues us-gaap:OperatingSegments stwd:PropertySegment5.115.70.04.5-6.5-41.80.012.9-8.2-55.80.015.029.21.20.0-97.2-39.65.70.0-16.150.1-48.80.016.0-34.70.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value-3.3532.231314-1.298-6.7294.8524.5133.5330.3340.858.2813.3432.856139.8169.452-0.9834.8772.6670.7060.094-10.2127.6753.79215103.8364.2775.62-1.63813110.7770.1830.3010.140.3990.049-0.4630.8230.2180.1680.04
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-1.20.84.65.6-0.5-2.21.71.61.10.10.32.91.21.15.54.34.5-0.52.61.30.40.0-5.54.02.18.95.82.12.53.3-0.98.88.20.90.20.50.20.60.1-0.92.00.90.70.2

us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-3.3532.231314-1.298-6.7294.8524.5133.5330.3340.858.2813.3432.856139.8169.452-0.9834.8772.6670.7060.094-10.2127.675
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-1.20.84.65.6-0.5-2.21.71.61.10.10.32.91.21.15.54.34.5-0.52.61.30.40.0-5.54.0
Percentage of Revenues stwd:OperatingSegmentsAndCorporateNonSegment-1.00.70.04.9-0.4-2.00.01.41.00.10.02.51.10.90.03.73.6-0.40.01.10.30.00.03.0

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

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-8.0431.5055.556163.257-4.4220.043.1941.832-0.248-0.180.3141.720.947
Percentage of IncomeTaxExpenseBenefit239.967.541.5112.5-250.965.70.870.851.9-74.3-21.23.851.533.2
Percentage of Revenues-2.80.51.96.21.2-1.40.01.10.6-0.1-0.10.10.60.4
Percentage of Revenues us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment-4.40.80.09.61.9-2.10.01.91.0-0.10.00.21.10.6

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0580.0920.120.0860.056-0.1450.657-0.475-0.186-0.085
Percentage of IncomeTaxExpenseBenefit-1.74.10.90.6-4.32.213.5-10.5-5.3-25.4
Percentage of Revenues0.00.00.00.00.0-0.00.2-0.2-0.1-0.0
Percentage of Revenues us-gaap:OperatingSegments stwd:InfrastructureLendingSegment0.30.50.00.50.3-0.60.0-2.0-0.7-0.3

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value4.6320.6337.705-1.943-4.611-2.1624.021.7941.8870.409-4.8147.8421.0120.648139.8279.325-1.1986.5622.6670.7060.019-10.3187.5093.792159.184.0693.8345.5371.5461310
Percentage of IncomeTaxExpenseBenefit-138.128.457.6-13.1355.232.182.939.853.4122.5-566.494.730.322.799.5100.198.7121.9134.5100.0100.020.2101.097.8100.0100.288.6106.189.698.5-94.495.597.7
Percentage of Revenues1.60.22.7-0.7-1.7-0.71.40.60.60.1-1.62.70.40.25.44.34.4-0.63.61.30.40.0-5.53.92.18.95.12.22.23.20.88.48.0
Percentage of Revenues us-gaap:OperatingSegments stwd:LNRBusinessSegments8.11.40.0-4.0-10.5-4.90.02.72.90.60.09.01.40.80.013.610.5-1.50.02.90.90.00.06.63.518.80.04.04.06.50.015.615.9

Income Taxes Paid

us-gaap:IncomeTaxesPaid

us-gaap:IncomeTaxesPaid


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-302010-12-31
Value6.4460.4259.1081.6040.0880.5692.4361.5786.7860.4842.6772.0915.2520.88134.363.0940.2686.7040.8611.2550.9221.9159.593142.903154.248122.72518221.8870.3270.0460.3010.00.2160.425
Percentage of IncomeTaxesPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0
Percentage of Revenues2.20.13.10.60.00.20.90.52.20.20.90.71.90.35.41.91.50.13.60.40.60.51.05.08.31.68.72.37.11.69.714.51.40.40.10.50.00.41.7

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1091031029510112012012313013412610291878276716557595756515049504539373740362316121210117.0597.3217.0418.1445.8274.9773.3521.632
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues37.736.035.235.938.238.442.242.741.843.443.235.934.033.533.833.733.733.131.228.928.828.927.726.427.928.325.621.922.122.021.623.617.519.917.119.817.918.013.614.417.125.923.721.818.613.2

us-gaap:InterestExpense us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value10910310295101120120123130134126102918782767166575957565150
Percentage of InterestExpense100.2100.2100.2100.0100.0100.1100.1100.1100.1100.1100.1100.3100.3100.3100.3100.4100.4100.4100.5100.3100.0100.0100.0100.0
Percentage of Revenues37.836.135.335.938.238.542.242.841.943.443.336.034.133.633.933.833.833.331.329.028.828.927.726.4
Percentage of Revenues stwd:OperatingSegmentsAndCorporateNonSegment33.432.40.031.534.335.00.037.737.039.60.031.630.129.00.028.827.126.70.023.823.823.00.019.8

us-gaap:CorporateNonSegment


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value292929272728292927272830313328313131272626252626252626212121
Percentage of InterestExpense26.628.229.028.227.424.024.123.721.420.722.629.734.838.834.841.544.048.047.044.345.246.050.551.452.253.258.953.556.055.7
Percentage of Revenues10.010.110.210.110.59.210.210.18.99.09.810.711.813.011.814.014.815.914.712.813.013.314.013.514.515.015.111.712.412.2
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.0463683.3139575.00.034241.637039.565005.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MaterialReconcilingItems


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-0.22-0.191-0.2240.00.0-0.162-0.161-0.163-0.164-0.16-0.165-0.276-0.275-0.27-0.273-0.277-0.275-0.269-0.27-0.19
Percentage of InterestExpense-0.2-0.2-0.20.00.0-0.1-0.1-0.1-0.1-0.1-0.1-0.3-0.3-0.3-0.3-0.4-0.4-0.4-0.5-0.3
Percentage of Revenues-0.1-0.1-0.10.00.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1
Percentage of Revenues us-gaap:MaterialReconcilingItems0.60.60.0-0.0-0.00.50.00.40.40.50.00.70.80.70.00.70.50.60.00.4

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

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4844413841535051586150433432
Percentage of InterestExpense44.142.841.140.041.344.941.542.145.045.739.942.238.036.7
Percentage of Revenues16.615.414.514.415.817.317.518.018.819.817.215.212.912.3
Percentage of Revenues us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment26.223.20.022.124.925.50.031.631.235.20.027.322.121.4

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value9.6948.8419.2048.9149.6781313141618182.258
Percentage of InterestExpense8.88.69.09.39.510.911.211.712.513.814.72.2
Percentage of Revenues3.33.13.23.33.64.24.75.05.26.06.40.8
Percentage of Revenues us-gaap:OperatingSegments stwd:InfrastructureLendingSegment44.545.40.048.048.656.40.061.162.165.20.070.5

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value5.7895.4495.5075.4256.1777.1948.4698.8918.5157.7469.1617.3965.8075.095-12.6265.714.8564.3584.544.8773.3283.2382.7232.7932.7512.1198.066.6016.1380.9515.0374.592.707
Percentage of InterestExpense5.35.35.45.76.16.07.07.26.55.87.27.26.35.8-15.47.56.86.67.98.35.85.75.35.55.54.217.616.616.32.512.412.511.3
Percentage of Revenues2.01.91.92.02.32.33.03.12.72.53.12.62.22.0-5.22.52.32.22.52.41.71.71.51.51.51.24.53.63.60.62.73.02.0
Percentage of Revenues us-gaap:OperatingSegments stwd:LNRBusinessSegments10.112.20.011.114.016.20.013.213.011.60.08.57.96.00.07.95.55.40.05.34.03.40.02.52.52.50.06.56.41.10.05.53.9

us-gaap:OperatingSegments, stwd:PropertySegment


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value1615161615171919191819191916311110105.8465.5365.6784.9492.9941.7130.877
Percentage of InterestExpense15.415.315.816.915.714.316.315.414.714.115.619.021.219.038.514.915.315.510.29.49.98.85.83.41.8
Percentage of Revenues5.85.55.66.16.05.56.96.66.16.16.76.87.26.313.05.05.25.13.22.72.82.51.60.90.5
Percentage of Revenues us-gaap:OperatingSegments stwd:PropertySegment25.824.30.025.325.126.70.026.326.426.90.025.626.024.70.023.823.422.70.018.919.218.90.023.524.8

us-gaap:InterestExpense us-gaap:LongtermDebtType

us-gaap:ConvertibleNotesPayable


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-03-31
Value2.92.93.03.13.13.03.0543.13.04.0465.9437.5931119
Percentage of InterestExpense2.62.82.93.23.12.52.52.52.33.25.88.313.029.6
Percentage of Revenues1.01.01.01.21.21.01.11.11.01.42.12.84.39.8
Percentage of Revenues us-gaap:ConvertibleNotesPayable0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1028095829310911411412312996937175736462513954
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues35.228.132.730.735.135.039.939.839.541.732.932.926.529.030.128.229.625.721.226.4

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312011-06-302011-03-312010-06-302010-03-31
Value116111106151139-66.769171140127709284109999288117102121105111269611611712091165117120948760623231105.941
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues40.038.836.856.852.6-21.460.048.740.822.731.429.640.538.338.139.055.551.565.751.755.713.651.860.865.667.351.291.069.070.150.556.244.173.178.8100.060.347.9

us-gaap:NetIncomeLoss us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value116111106151139-66.7691711401277092841099992881171021211051112696116
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues40.038.836.856.852.6-21.460.048.740.822.731.429.640.538.338.139.055.551.565.751.755.713.651.860.8
Percentage of Revenues stwd:OperatingSegmentsAndCorporateNonSegment35.334.80.049.847.2-19.50.042.936.120.60.026.035.733.10.033.244.441.40.042.446.010.90.045.7

us-gaap:CorporateNonSegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-61.449-78.49-75.204-52.427-49.23-43.978-80.481-56.838-38.632-44.549-59.204-65.855-68.409-79.286-73.479-64.33-58.745-63.555-75.644-54.793-53.491-51.826-69.724-55.811-55.207-60.911-67.429-47.063-48.055-49.613
Percentage of NetIncomeLoss-52.8-70.5-70.3-34.5-35.365.9-46.8-40.5-30.4-63.3-64.3-77.9-62.6-79.3-79.3-72.7-50.0-62.1-62.4-51.8-48.0-194.4-72.3-47.8-47.1-50.6-73.7-28.5-40.8-41.1
Percentage of Revenues-21.1-27.3-25.9-19.6-18.5-14.1-28.1-19.7-12.4-14.3-20.2-23.0-25.4-30.4-30.3-28.4-27.8-32.0-41.0-26.8-26.7-26.5-37.4-29.0-30.9-34.1-37.7-25.9-28.1-28.8
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.0-643866.7-222745.00.0-73994.4-79545.3-152473.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value140153153175134441051111251048911095109
Percentage of NetIncomeLoss121.2138.1143.1115.996.1-66.761.379.799.0148.597.3131.287.5109.6
Percentage of Revenues48.553.552.765.850.614.236.838.840.433.730.638.835.542.0
Percentage of Revenues us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment76.480.70.0101.479.821.10.068.466.959.80.069.960.773.1

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value6.6296.51213104.496-4.0253.2662.711.3722.1163.819-6.392
Percentage of NetIncomeLoss5.75.812.46.83.26.01.91.91.13.04.1-7.6
Percentage of Revenues2.32.34.63.91.7-1.31.10.90.40.71.3-2.2
Percentage of Revenues us-gaap:OperatingSegments stwd:InfrastructureLendingSegment30.433.50.055.822.6-17.30.011.55.27.40.0-199.5

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value3124172059-31.4199978495350396572358879565576651-2.25567726620955262313932
Percentage of NetIncomeLoss27.321.916.613.342.547.157.855.939.276.354.346.560.072.6387.198.981.164.347.562.445.9-8.357.457.562.155.521.958.144.552.133.145.154.3
Percentage of Revenues10.98.56.17.522.4-10.134.727.216.017.317.113.824.327.9147.638.645.033.131.232.325.6-1.129.734.940.737.311.252.830.736.516.725.323.9
Percentage of Revenues us-gaap:OperatingSegments stwd:LNRBusinessSegments55.254.80.041.1134.6-70.60.0116.475.980.20.045.089.185.30.0121.1107.381.90.071.962.3-2.30.059.166.978.40.095.054.873.30.047.047.7

us-gaap:OperatingSegments, stwd:PropertySegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-1.5715.177-1.933-2.2-9.248-31.882444.115-11.264-45.3577.7946.56316-2.894-307.016-46.485-18.4342.5437-4.71914-12.8023.4141.165-1.2282.606
Percentage of NetIncomeLoss-1.44.6-1.8-1.4-6.647.725.82.9-8.9-64.48.57.815.1-2.9-331.5-52.6-15.72.531.1-4.513.3-48.03.51.0-1.02.2
Percentage of Revenues-0.51.8-0.7-0.8-3.5-10.215.51.4-3.6-14.62.72.36.1-1.1-126.4-20.5-8.71.320.4-2.37.4-6.51.80.6-0.71.5
Percentage of Revenues us-gaap:OperatingSegments stwd:PropertySegment-2.47.90.0-3.4-14.5-49.80.05.7-15.6-64.20.08.622.1-4.30.0-97.2-39.65.70.0-16.150.1-48.80.016.0-34.70.0

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value10117.68712130.56.1119.6055.436.1257.84.8457.864.8621.2774.3715.8530.4961.4310.0470.5980.3890.1970.3810.4920.4160.3772.3462.5140.281.1761.8861.0571.1812.0990.130.1290.1290.040.0250.8880.2780.3160.60.5610.319
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.53.92.64.85.00.22.13.31.72.02.71.72.91.90.51.92.80.20.80.00.30.20.10.20.30.20.21.31.50.20.61.20.81.42.80.20.20.20.10.02.20.91.32.63.12.6

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest us-gaap:BusinessAcquisition, us-gaap:EquityInterestIssuedOrIssuableByType

stwd:WoodstarTwoPortfolio, stwd:ClassaUnits


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.95.15.15.15.15.15.35.25.45.75.74.84.62.5
Percentage of NetIncomeLossAttributableToNoncontrollingInterest48.645.766.339.538.31020.086.754.199.493.173.199.158.551.4
Percentage of Revenues1.71.81.81.91.91.61.91.81.71.81.91.71.71.0
Percentage of Revenues stwd:WoodstarTwoPortfolio stwd:ClassaUnits0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value10117.67712130.3445.9739.4695.4935.8737.5094.9837.4724.331.1553.2760.383-0.0221.3720.2520.3510.2760.260.274
Percentage of NetIncomeLossAttributableToNoncontrollingInterest106.099.599.999.899.868.897.798.6101.295.996.3102.895.189.190.474.96.5-4.495.9536.258.771.0132.071.9
Percentage of Revenues3.73.92.64.85.00.12.13.31.81.92.61.72.81.70.51.40.2-0.00.70.10.20.10.10.1
Percentage of Revenues stwd:OperatingSegmentsAndCorporateNonSegment3.23.50.04.24.50.10.02.91.61.70.01.52.41.40.01.20.1-0.00.00.10.10.10.00.1

us-gaap:MaterialReconcilingItems


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value-0.6010.060.010.030.0240.1560.1380.136-0.0630.2520.291-0.1380.3880.5320.1221.0955.470.5180.059-0.2050.2470.113-0.0630.1070.1580.070.0992.143-0.4910.049-0.290.4190.106
Percentage of NetIncomeLossAttributableToNoncontrollingInterest-6.00.50.10.20.231.22.31.4-1.24.13.7-2.84.910.99.625.193.5104.44.1-436.241.329.0-32.028.132.116.826.391.3-19.517.5-24.722.210.0
Percentage of Revenues-0.20.00.00.00.00.00.00.0-0.00.10.1-0.00.10.20.10.52.60.30.0-0.10.10.1-0.00.10.10.00.11.2-0.30.0-0.20.30.1
Percentage of Revenues us-gaap:MaterialReconcilingItems1.6-0.20.0-0.1-0.1-0.50.0-0.30.2-0.80.00.3-1.1-1.30.0-2.8-10.4-1.10.00.5-0.6-0.20.0-0.2-0.2-0.20.0-5.11.1-0.10.0-1.1-0.5

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0040.0030.0040.0030.0040.0030.00.00.0210.3710.3640.3650.3610.361
Percentage of NetIncomeLossAttributableToNoncontrollingInterest0.00.00.10.00.00.60.00.00.46.14.77.54.67.4
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.10.10.10.10.1
Percentage of Revenues us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment0.00.00.00.00.00.00.00.00.00.20.00.20.20.2

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value5.7576.0082.5737.7958.166-4.770.6654.2190.117-0.2151.428-0.1512.4271.5160.82.9190.03-0.3761.024-0.10.003-0.074-0.099-0.076
Percentage of NetIncomeLossAttributableToNoncontrollingInterest57.153.933.560.461.4-954.010.943.92.2-3.518.3-3.130.931.262.666.80.5-75.871.6-212.80.5-19.0-50.3-19.9
Percentage of Revenues2.02.10.92.93.1-1.50.21.50.0-0.10.5-0.10.90.60.31.30.0-0.20.6-0.00.0-0.0-0.1-0.0
Percentage of Revenues us-gaap:OperatingSegments stwd:LNRBusinessSegments10.013.50.015.918.5-10.70.06.30.2-0.30.0-0.23.31.80.04.00.0-0.50.0-0.10.0-0.10.0-0.1

us-gaap:OperatingSegments, stwd:PropertySegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.9145.0775.15.0725.1115.1115.3085.255.3555.7175.7174.7694.6842.453
Percentage of NetIncomeLossAttributableToNoncontrollingInterest48.845.566.339.338.41022.286.954.798.693.373.398.459.650.5
Percentage of Revenues1.71.81.81.91.91.61.91.81.71.81.91.71.70.9
Percentage of Revenues us-gaap:OperatingSegments stwd:PropertySegment7.57.80.07.98.08.00.07.37.48.10.06.36.33.7

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:BusinessAcquisition, us-gaap:EquityInterestIssuedOrIssuableByType

stwd:CmbsJv, stwd:WoodstarTwoPortfolio, stwd:ClassaUnits


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value4.75.46.86.86.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest46.748.452.751.11200.0
Percentage of Revenues1.61.92.52.61.9
Percentage of Revenues stwd:CmbsJv stwd:WoodstarTwoPortfolio stwd:ClassaUnits0.00.00.00.00.0

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value587068121108-83.9431661197819874410260746492681157969-22.03354607579501107175467347236.1598.4723.105
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues20.024.523.745.440.8-26.958.041.425.26.329.715.538.223.230.928.243.834.262.538.634.7-11.329.231.642.244.328.260.841.943.625.047.035.027.28.213.95.3

us-gaap:NonoperatingIncomeExpense us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2037348377-114.7641318037-10.983564.744661836233419713426-72.083-5.95-2.942
Percentage of NonoperatingIncomeExpense35.253.950.268.871.8136.779.167.448.0-55.965.210.764.631.248.337.137.328.062.043.938.1327.2-10.9-4.8
Percentage of Revenues7.013.211.931.229.3-36.745.927.912.1-3.519.41.724.77.214.910.516.39.638.717.013.2-36.9-3.2-1.5
Percentage of Revenues stwd:OperatingSegmentsAndCorporateNonSegment6.211.90.027.326.3-33.40.024.610.7-3.20.01.521.76.30.08.913.17.70.014.010.9-29.40.0-1.2

us-gaap:CorporateNonSegment


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.927-6.843-1.2390.6454.51729-5.6635.317159.5616-6.779-6.367-13.002-0.6940.00.0-5.916-6.2890.2340.01.550.0030.0-0.629-5.278
Percentage of NonoperatingIncomeExpense1.6-9.7-1.80.54.2-34.8-3.44.519.648.619.2-15.3-6.2-21.5-0.90.00.0-8.7-5.50.30.0-7.00.00.0-0.8-6.7
Percentage of Revenues0.3-2.4-0.40.21.79.4-2.01.84.93.15.7-2.4-2.4-5.0-0.30.00.0-3.0-3.40.10.00.80.00.0-0.4-3.0
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.0255150.047800.00.0-7616.9-7403.5-25003.80.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MaterialReconcilingItems


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value373234373030343840303039364138405849434442506063654240444334353721
Percentage of NonoperatingIncomeExpense64.846.149.831.228.2-36.720.932.652.0155.934.889.335.468.851.762.962.772.038.056.161.9-227.2110.9104.886.853.780.140.160.145.874.951.144.0
Percentage of Revenues12.911.311.814.211.59.912.113.513.19.910.413.913.516.016.017.827.424.723.721.721.525.632.433.136.623.822.624.325.220.018.724.015.4
Percentage of Revenues us-gaap:MaterialReconcilingItems-98.1-99.90.0-100.3-100.4-100.40.0-100.2-99.8-100.80.0-99.5-100.8-101.10.0-102.6-110.1-100.80.0-99.6-101.1-100.70.0-100.6-100.6-100.70.0-105.7-99.4-100.80.0-101.8-101.3

us-gaap:NonoperatingIncomeExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-4.05121137233-66.5410.72128.811-1.034-7.4355.1438.8072.102
Percentage of NonoperatingIncomeExpense-7.030.119.360.230.879.30.410.311.3-5.3-8.511.68.63.5
Percentage of Revenues-1.47.44.627.312.6-21.30.34.32.8-0.3-2.51.83.30.8
Percentage of Revenues us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment-2.211.10.042.119.8-31.50.07.54.7-0.60.03.25.61.4

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-0.930.095-0.2590.14-1.245-1.348-2.841-2.604-3.456-2.6090.472-0.076
Percentage of NonoperatingIncomeExpense-1.60.1-0.40.1-1.11.6-1.7-2.2-4.4-13.30.5-0.2
Percentage of Revenues-0.30.0-0.10.1-0.5-0.4-1.0-0.9-1.1-0.80.2-0.0
Percentage of Revenues us-gaap:OperatingSegments stwd:InfrastructureLendingSegment-4.30.50.00.8-6.3-5.80.0-11.0-13.2-9.20.0-2.4

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value2418229.97147-45.9189359262530-1.428372723668532222357.905-61.672-18.454-1.58.751356.6755717396.0092823
Percentage of NonoperatingIncomeExpense42.926.932.48.244.254.756.249.734.5130.335.4-3.236.745.3316.2106.558.032.419.844.411.4279.9-33.9-2.511.644.413.252.224.752.112.839.648.4
Percentage of Revenues8.66.67.73.718.0-14.732.620.68.78.210.5-0.514.010.597.630.125.411.112.417.14.0-31.5-9.9-0.84.919.73.731.710.422.73.218.616.9
Percentage of Revenues us-gaap:OperatingSegments stwd:LNRBusinessSegments43.342.60.020.3108.5-103.20.088.141.138.20.0-1.651.332.20.094.460.527.50.038.29.6-65.20.0-1.38.041.40.057.018.545.70.034.633.7

us-gaap:OperatingSegments, stwd:PropertySegment


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-0.3974.6080.391-0.3-6.656-30.192456.115-10.111-42.506167.884262.365-203.876-45.008-17.8991.9542-2.78519-7.6128.0243.5822.4972.608
Percentage of NonoperatingIncomeExpense-0.76.50.6-0.2-6.136.027.55.1-12.9-216.318.617.825.63.9-272.1-70.3-19.32.937.1-3.528.034.514.75.93.33.3
Percentage of Revenues-0.11.60.1-0.1-2.5-9.716.02.1-3.2-13.75.52.89.80.9-84.0-19.8-8.51.023.2-1.49.7-3.94.31.91.41.5
Percentage of Revenues us-gaap:OperatingSegments stwd:PropertySegment-0.67.10.0-0.5-10.5-47.10.08.4-14.0-60.20.010.335.33.50.0-94.1-38.54.30.0-9.565.5-29.00.049.270.60.0

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.00.0640.029-4.1681.405-2.475-1.962-0.945-8.1764.2182.4265.337112.007-3.2511.331-6.7337.401-6.1932.9128.273-8.308-9.523-9.7654.5581.0465.563100.018-7.061
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.0-1.40.5-0.8-0.7-0.3-3.01.61.02.45.21.0-1.80.7-3.43.8-3.31.54.6-4.6-5.3-5.42.70.63.07.10.0-8.3

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-0.344-2.3391.708-0.5816.982-15.048-1.445-4.7471.326-2.862-9.26-0.214-7.1765.3864.6539.29153.929-4.117.621-0.833.728-9.781-6.3916.539-16.534-13.785-5.281-5.1534.6666.1629.002-10.259-9.13117491.42414
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.1-0.80.6-0.22.6-4.8-0.5-1.60.4-0.9-3.2-0.1-2.72.11.94.17.52.0-2.23.7-0.41.9-5.3-3.33.7-9.2-7.7-2.9-3.02.73.35.8-7.5-10.723.482.02.422.6

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-0.344-2.3391.708-0.5816.982-15.048-1.445-4.7471.326-2.862-9.26-0.214-7.1765.3864.6539.29153.929-4.117.621-0.833.728-9.781-6.3916.539-16.534-13.785-5.281-5.1534.6666.1629.002-10.259-9.13117491.42414
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.1-0.80.6-0.22.6-4.8-0.5-1.60.4-0.9-3.2-0.1-2.72.11.94.17.52.0-2.23.7-0.41.9-5.3-3.33.7-9.2-7.7-2.9-3.02.73.35.8-7.5-10.723.482.02.422.6
Percentage of Revenues us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-0.344-2.3391.708-0.5816.982-15.048-1.445-4.7471.326-2.862-9.26-0.214-7.1765.3864.6539.29153.929-4.117.621-0.833.728-9.781-6.3916.539-16.534-13.785-5.281-5.1534.6666.1629.002-10.259-9.13117491.42414
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.1-0.80.6-0.22.6-4.8-0.5-1.60.4-0.9-3.2-0.1-2.72.11.94.17.52.0-2.23.7-0.41.9-5.3-3.33.7-9.2-7.7-2.9-3.02.73.35.8-7.5-10.723.482.02.422.6
Percentage of Revenues us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-5.4730.021-0.4060.3570.2040.126-0.084-0.050.0-0.0730.003-1.4210.4980.1081.760.0280.0910.3652.5120.2698.7142.0151.5890.0640.010.0453.0940.0280.6920.0185.9323.7050.039-1.7260.6920.6211.5480.7541.2640.9750.663-0.4720.0930.042
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-1.90.0-0.10.10.10.0-0.0-0.00.0-0.00.0-0.50.20.00.70.00.00.21.40.14.41.00.90.00.00.01.70.00.40.03.22.40.0-2.00.91.02.61.12.41.91.6-1.50.40.2

us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-5.4730.021-0.4060.3570.2040.126-0.084-0.050.0-0.0730.003-1.4210.4980.1081.760.0280.7040.365110.2698.7142.0151.5890.064
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0773.6100.0451.2100.0100.0100.0100.0100.0
Percentage of Revenues-1.90.0-0.10.10.10.0-0.0-0.00.0-0.00.0-0.50.20.00.70.00.30.26.10.14.41.00.90.0
Percentage of Revenues stwd:OperatingSegmentsAndCorporateNonSegment-1.70.00.00.10.10.00.0-0.00.0-0.00.0-0.40.20.00.00.00.30.10.00.13.60.80.00.0

us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Other
Period End2021-06-302018-12-312018-09-302018-06-302018-03-31
Value-5.5040.001-0.0010.00.043
Percentage of OtherNonoperatingIncomeExpense100.633.30.10.039.8
Percentage of Revenues-1.90.0-0.00.00.0
Percentage of Revenues us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment-3.00.0-0.00.00.0

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


Other
Period End2021-06-302021-03-312019-12-312019-09-30
Value0.0020.0210.0-0.05
Percentage of OtherNonoperatingIncomeExpense-0.0100.0-0.0100.0
Percentage of Revenues0.00.00.0-0.0
Percentage of Revenues us-gaap:OperatingSegments stwd:InfrastructureLendingSegment0.00.10.0-0.2

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Other
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-30
Value0.0290.00.3580.0130.0760.002-1.4220.0090.0480.0080.0280.7040.3658.8470.0350.0340.0430.0560.0640.010.0313.4750.0280.6570.6240.3740.039
Percentage of OtherNonoperatingIncomeExpense-0.5-0.0100.36.460.366.7100.11.844.40.5100.0773.6100.0352.213.00.42.13.5100.0100.068.9112.3100.094.910.510.1100.0
Percentage of Revenues0.00.00.10.00.00.0-0.50.00.00.00.00.30.24.80.00.00.00.00.00.00.01.90.00.40.30.20.0
Percentage of Revenues us-gaap:OperatingSegments stwd:LNRBusinessSegments0.10.00.70.00.20.0-1.60.00.10.00.00.80.50.00.00.00.00.00.10.00.00.00.00.70.00.40.1

us-gaap:OperatingSegments, stwd:PropertySegment


Other
Period End2020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-09-302016-06-302016-03-31
Value-0.406-0.0010.1910.050.00.0020.4890.017-1.090.00.08.680.422
Percentage of OtherNonoperatingIncomeExpense100.0-0.393.639.70.0-0.198.215.7-61.90.00.099.620.9
Percentage of Revenues-0.1-0.00.10.00.00.00.20.0-0.40.00.04.30.2
Percentage of Revenues us-gaap:OperatingSegments stwd:PropertySegment0.0-0.00.30.10.00.00.70.00.00.00.029.31.6

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value126122114164152-66.26917715013276998911710493921231021221051122796117117120911671201209691636358504450411433311723116.26-0.809-1.771
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues43.542.739.561.657.6-21.262.152.042.624.634.131.343.440.238.740.958.251.866.551.756.013.851.961.065.867.551.492.370.570.351.258.946.274.578.282.876.476.378.828.681.0100.972.9102.063.550.5-18.3-289.4

us-gaap:ProfitLoss us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value126122114164152-66.42517714913276998911610493911171021221061112696117
Percentage of ProfitLoss100.5100.0100.0100.0100.0100.299.999.9100.099.799.7100.299.799.599.998.895.699.5100.0100.299.899.6100.199.9
Percentage of Revenues43.742.639.561.657.6-21.362.152.042.624.634.031.343.340.038.640.455.751.566.551.855.913.851.960.9
Percentage of Revenues stwd:OperatingSegmentsAndCorporateNonSegment38.638.30.054.051.7-19.40.045.837.622.40.027.538.234.60.034.544.641.40.042.546.111.00.045.8

us-gaap:CorporateNonSegment


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-61.449-78.49-75.204-52.427-49.23-43.978-80.481-56.838-38.632-44.549-59.204-65.855-68.409-79.286-73.479-64.33-58.745-63.555-75.644-54.793-53.491-51.826-69.724-55.811-55.207-60.911-67.429-47.063-48.055-49.613
Percentage of ProfitLoss-48.6-64.1-65.6-31.8-32.266.4-45.2-37.9-29.2-58.2-59.2-73.7-58.4-75.7-78.3-69.3-47.7-61.8-61.6-51.8-47.7-191.6-72.1-47.7-46.9-50.4-73.4-28.1-39.9-41.0
Percentage of Revenues-21.1-27.3-25.9-19.6-18.5-14.1-28.1-19.7-12.4-14.3-20.2-23.0-25.4-30.4-30.3-28.4-27.8-32.0-41.0-26.8-26.7-26.5-37.4-29.0-30.9-34.1-37.7-25.9-28.1-28.8
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.0-643866.7-222745.00.0-73994.4-79545.3-152473.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MaterialReconcilingItems


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value-0.6010.060.010.030.0240.1560.1380.136-0.0630.2520.291-0.1380.3880.5320.1221.0955.470.5180.059-0.2050.2470.113-0.0630.1070.1580.070.0992.143-0.4910.049-0.290.4190.106
Percentage of ProfitLoss-0.50.00.00.00.0-0.20.10.1-0.00.30.3-0.20.30.50.11.24.40.50.0-0.20.20.4-0.10.10.10.10.11.3-0.40.0-0.30.50.2
Percentage of Revenues-0.20.00.00.00.00.00.00.0-0.00.10.1-0.00.10.20.10.52.60.30.0-0.10.10.1-0.00.10.10.00.11.2-0.30.0-0.20.30.1
Percentage of Revenues us-gaap:MaterialReconcilingItems1.6-0.20.0-0.1-0.1-0.50.0-0.30.2-0.80.00.3-1.1-1.30.0-2.8-10.4-1.10.00.5-0.6-0.20.0-0.2-0.2-0.20.0-5.11.1-0.10.0-1.1-0.5

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

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value140153153175134441051111251049011195109
Percentage of ProfitLoss111.5125.5133.5106.887.8-67.259.274.694.9137.190.1124.582.0104.9
Percentage of Revenues48.553.552.765.850.614.236.838.840.433.830.738.935.642.2
Percentage of Revenues us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment76.480.70.0101.479.821.10.068.467.060.00.070.260.973.4

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value6.6296.51213104.496-4.0253.2662.711.3722.1163.819-6.392
Percentage of ProfitLoss5.25.311.66.32.96.11.81.81.02.83.8-7.2
Percentage of Revenues2.32.34.63.91.7-1.31.10.90.40.71.3-2.2
Percentage of Revenues us-gaap:OperatingSegments stwd:InfrastructureLendingSegment30.433.50.055.822.6-17.30.011.55.27.40.0-199.5

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value3730202767-36.18910082495351396874361909565586551-2.2745567726620955262383932
Percentage of ProfitLoss29.724.817.717.044.154.656.255.137.769.951.543.858.170.7385.497.477.363.647.762.345.7-8.457.257.361.855.321.857.243.651.940.043.051.8
Percentage of Revenues12.910.67.010.525.4-11.634.928.716.117.217.613.725.228.4149.039.845.032.931.832.225.6-1.229.734.940.737.311.252.830.736.520.525.323.9
Percentage of Revenues us-gaap:OperatingSegments stwd:LNRBusinessSegments65.368.30.057.0153.2-81.30.0122.776.179.90.044.892.487.10.0125.1107.381.40.071.862.3-2.40.059.066.978.40.095.054.873.30.047.047.7

us-gaap:OperatingSegments, stwd:PropertySegment


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value3.343103.1672.872-4.137-26.771499.365-5.909-39.64131121-0.441-309.589-46.485-18.4342.5437-4.71914-12.8023.4141.165-1.2282.606
Percentage of ProfitLoss2.68.42.81.7-2.740.427.96.2-4.5-51.813.512.718.0-0.4-329.8-50.1-15.02.530.7-4.513.2-47.33.51.0-1.02.2
Percentage of Revenues1.13.61.11.1-1.6-8.617.33.2-1.9-12.84.64.07.8-0.2-127.5-20.5-8.71.320.4-2.37.4-6.51.80.6-0.71.5
Percentage of Revenues us-gaap:OperatingSegments stwd:PropertySegment5.115.70.04.5-6.5-41.80.012.9-8.2-56.10.014.928.4-0.70.0-97.2-39.65.70.0-16.150.1-48.80.016.0-34.70.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value10117.68712130.56.1119.6055.436.1257.84.8457.864.8621.2774.3715.8530.4961.4310.0470.5980.3890.1970.3810.4920.4160.3772.3462.5140.281.1761.8861.0571.1812.0990.130.1290.1290.040.0250.8880.2780.3160.60.5610.319
Percentage of ProfitLoss8.09.16.77.88.7-0.83.46.44.18.07.85.46.74.61.44.74.70.51.20.00.51.40.20.30.40.30.41.42.10.21.22.11.71.93.60.30.30.30.10.22.70.91.82.64.95.1
Percentage of Revenues3.53.92.64.85.00.22.13.31.72.02.71.72.91.90.51.92.80.20.80.00.30.20.10.20.30.20.21.31.50.20.61.20.81.42.80.20.20.20.10.02.20.91.32.63.12.6
Percentage of Revenues us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value116111106151139-66.7691711401277092841099992881171021211051112696116117120911651171209089626256504450411432311722105.941
Percentage of ProfitLoss92.090.993.392.291.3100.896.693.695.992.092.294.693.395.498.695.395.399.598.8100.099.598.699.899.799.699.799.698.697.999.894.497.998.398.196.499.799.799.799.999.897.399.198.297.495.194.9
Percentage of Revenues40.038.836.856.852.6-21.460.048.740.822.731.429.640.538.338.139.055.551.565.751.755.713.651.860.865.667.351.291.069.070.148.357.745.473.175.482.676.276.178.828.578.8100.071.699.460.347.9
Percentage of Revenues us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value116111106151139-66.7691711401277092841099992881171021211051112696116117120911651171209089626256504450411432311722105.941
Percentage of ProfitLoss92.090.993.392.291.3100.896.693.695.992.092.294.693.395.498.695.395.399.598.8100.099.598.699.899.799.699.799.698.697.999.894.497.998.398.196.499.799.799.799.999.897.399.198.297.495.194.9
Percentage of Revenues40.038.836.856.852.6-21.460.048.740.822.731.429.640.538.338.139.055.551.565.751.755.713.651.860.865.667.351.291.069.070.148.357.745.473.175.482.676.276.178.828.578.8100.071.699.460.347.9
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value290287290267265312286288311310293285269260242226211198184204199195186192178178178181170171187155137857460586552504131242217124.4110.612
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value329319324305295343321327351340323325305301281266264247228249242245246255
Percentage of Revenues113.2111.3111.9114.1111.4109.8112.1113.5113.1109.8110.2113.9113.4115.8115.9117.3124.9124.5123.7121.7121.2125.4132.3132.9
Percentage of Revenues113.2111.3111.9114.1111.4109.8112.1113.5113.1109.8110.2113.9113.4115.8115.9117.3124.9124.5123.7121.7121.2125.4132.3132.9
Percentage of Revenues stwd:OperatingSegmentsAndCorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MaterialReconcilingItems


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value-38.376-32.457-34.434-37.734-30.384-30.712-34.636-38.863-40.818-30.405-30.064-39.812-36.085-41.155-38.698-39.286-52.75-48.639-43.777-44.512-42.496-49.718-60.204-63.284-65.05-42.285-40.074-41.789-43.295-34.127-35.206-36.668-20.817
Percentage of Revenues-13.2-11.3-11.9-14.1-11.4-9.8-12.1-13.5-13.1-9.8-10.2-13.9-13.4-15.8-15.9-17.3-24.9-24.5-23.7-21.7-21.2-25.4-32.3-32.9-36.4-23.6-22.4-23.0-25.4-19.8-18.7-23.6-15.2
Percentage of Revenues-13.2-11.3-11.9-14.1-11.4-9.8-12.1-13.5-13.1-9.8-10.2-13.9-13.4-15.8-15.9-17.3-24.9-24.5-23.7-21.7-21.2-25.4-32.3-32.9-36.4-23.6-22.4-23.0-25.4-19.8-18.7-23.6-15.2
Percentage of Revenues us-gaap:MaterialReconcilingItems100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value184190196173168211166163187174162158157149
Percentage of Revenues63.466.367.664.963.467.658.256.860.356.355.255.558.457.5
Percentage of Revenues63.466.367.664.963.467.658.256.860.356.355.255.558.457.5
Percentage of Revenues us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value21191918192328232628273.204
Percentage of Revenues7.56.86.66.97.57.49.98.28.49.29.41.1
Percentage of Revenues7.56.86.66.97.57.49.98.28.49.29.41.1
Percentage of Revenues us-gaap:OperatingSegments stwd:InfrastructureLendingSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value57444549444453676566588773851737288808491829410411310885901009585968368
Percentage of Revenues19.815.515.618.316.614.218.823.421.121.619.930.627.332.771.231.841.940.545.644.941.148.455.959.260.947.650.555.656.149.851.153.950.2
Percentage of Revenues19.815.515.618.316.614.218.823.421.121.619.930.627.332.771.231.841.940.545.644.941.148.455.959.260.947.650.555.656.149.851.153.950.2
Percentage of Revenues us-gaap:OperatingSegments stwd:LNRBusinessSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, stwd:PropertySegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value6565646363647272727075767466-42.21647464429292926147.2873.536
Percentage of Revenues22.522.722.023.924.020.525.225.123.322.725.726.727.625.6-17.421.122.022.616.014.314.813.47.93.82.0
Percentage of Revenues22.522.722.023.924.020.525.225.123.322.725.726.727.625.6-17.421.122.022.616.014.314.813.47.93.82.0
Percentage of Revenues us-gaap:OperatingSegments stwd:PropertySegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value8130979702808738061779556775777804274434729477216568262629216060061126629416270664542704787725682921893869443685738918191015851119801160991168931213631251721107701040741031854610432438053461324129972497264823922101
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets dei:LegalEntity, us-gaap:ConsolidatedEntities, us-gaap:AdjustmentsForNewAccountingPronouncements

stwd:SptDolphin, us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:AccountingStandardsUpdate201502


Assetsdei:
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value677685673676684
Percentage of Assets0.80.90.80.80.9
Percentage of Assets0.80.90.80.80.9
Percentage of Assets stwd:SptDolphin us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:AccountingStandardsUpdate201502100.0100.0100.0100.0100.0

us-gaap:Assets dei:LegalEntity, us-gaap:StatementBusinessSegments

stwd:TRSSubsidiaries, stwd:LNRBusinessSegments


Assetsdei:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value150095960014001300100014001.6210017009805532400130012006737798076216349188676299008581100857100010009871000
Percentage of Assets1.81204.01.71.61.31.80.02.82.31.40.83.82.12.01.11.21.30.90.81.11.0667.01.01.20.80.90.90.80.9
Percentage of Assets1.81204.01.71.61.31.80.02.82.31.40.83.82.12.01.11.21.30.90.81.11.0667.01.01.20.80.90.90.80.9
Percentage of Assets stwd:TRSSubsidiaries stwd:LNRBusinessSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

us-gaap:CollateralizedLoanObligations


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value29001100110011001100
Percentage of Assets3.61.41.41.41.4
Percentage of Assets3.61.41.41.41.4
Percentage of Assets us-gaap:CollateralizedLoanObligations100.0100.0100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value6349362367642386447764175611576218753446
Percentage of Assets78.178.379.480.080.778.879.778.3
Percentage of Assets78.178.379.480.080.778.879.778.3
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities, us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:AccountingStandardsUpdate201502


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value104989997110011001100
Percentage of Assets0.10.10.10.11.41.41.4
Percentage of Assets0.10.10.10.11.41.41.4
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:AccountingStandardsUpdate201502100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:MaterialReconcilingItems


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value6349362367642386447764175611576218753446
Percentage of Assets78.178.379.480.080.778.879.778.3
Percentage of Assets78.178.379.480.080.778.879.778.3
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:MaterialReconcilingItems100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:CollateralizedLoanObligations


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2887110411051102110111011103
Percentage of Assets3.61.41.41.41.41.41.4
Percentage of Assets3.61.41.41.41.41.41.4
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:CollateralizedLoanObligations100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-31
Value642386218753446
Percentage of Assets79.479.778.3
Percentage of Assets79.479.778.3
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:FairValueInputsLevel3 us-gaap:FairValueMeasurementsRecurring100.0100.0100.0

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

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, stwd:VariableInterestEntityAssets


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value63493623676423864477641756115762187
Percentage of Assets78.178.379.480.080.778.879.7
Percentage of Assets78.178.379.480.080.778.879.7
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:FairValueInputsLevel3 us-gaap:FairValueMeasurementsRecurring stwd:VariableInterestEntityAssets100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities, us-gaap:FairValueByMeasurementFrequency

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:FairValueMeasurementsRecurring


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-31
Value642386218753446
Percentage of Assets79.479.778.3
Percentage of Assets79.479.778.3
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:FairValueMeasurementsRecurring100.0100.0100.0

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

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:FairValueMeasurementsRecurring, stwd:VariableInterestEntityAssets


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value63493623676423864477641756115762187
Percentage of Assets78.178.379.480.080.778.879.7
Percentage of Assets78.178.379.480.080.778.879.7
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:FairValueMeasurementsRecurring stwd:VariableInterestEntityAssets100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:CorporateJointVenture


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value338335330332330323347
Percentage of Assets0.40.40.40.40.40.40.4
Percentage of Assets0.40.40.40.40.40.40.4
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:CorporateJointVenture100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value19328188261811717739169361778017306164231650516434160641597713624129581294112556116791133511135100069868
Percentage of Assets23.823.622.422.021.322.922.222.122.622.823.525.422.521.220.620.018.116.114.412.111.5
Percentage of Assets23.823.622.422.021.322.922.222.122.622.823.525.422.521.220.620.018.116.114.412.111.5
Percentage of Assets stwd:OperatingSegmentsAndCorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CorporateNonSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value15425139635133177339316229030118621515820030830020916056228618814523021525013658
Percentage of Assets0.20.30.50.40.41.00.50.20.40.40.30.30.30.30.50.50.30.20.70.30.20.20.30.20.20.10.1
Percentage of Assets0.20.30.50.40.41.00.50.20.40.40.30.30.30.30.50.50.30.20.70.30.20.20.30.20.20.10.1
Percentage of Assets us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MaterialReconcilingItems


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value61980608766275562877626195979660735580105644255730521984694446976481684999950150528635914366120729147910084163758308219692058102719107242108890113550117939102657
Percentage of Assets76.276.477.678.078.777.177.877.977.477.276.574.677.578.879.480.081.983.985.687.988.589.188.489.590.691.792.493.293.694.292.7
Percentage of Assets76.276.477.678.078.777.177.877.977.477.276.574.677.578.879.480.081.983.985.687.988.589.188.489.590.691.792.493.293.694.292.7
Percentage of Assets us-gaap:MaterialReconcilingItems100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1299912731120971156210853112661104197349719942890178080
Percentage of Assets16.016.015.014.313.614.514.113.113.313.113.212.8
Percentage of Assets16.016.015.014.313.614.514.113.113.313.113.212.8
Percentage of Assets us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value203219011769176717311726176016691867208023102037
Percentage of Assets2.52.42.22.22.22.22.32.22.62.93.43.2
Percentage of Assets2.52.42.22.22.22.22.32.22.62.93.43.2
Percentage of Assets us-gaap:OperatingSegments stwd:InfrastructureLendingSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value203618151735191518571842191421141857182728702077178618391992203118801784212820291853188519421668177217611651145713341380
Percentage of Assets2.52.32.12.42.32.42.52.82.52.54.23.42.92.93.23.12.72.32.62.32.02.22.11.61.61.51.41.21.11.2
Percentage of Assets2.52.32.12.42.32.42.52.82.52.54.23.42.92.93.23.12.72.32.62.32.02.22.11.61.61.51.41.21.11.2
Percentage of Assets us-gaap:OperatingSegments stwd:LNRBusinessSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, stwd:PropertySegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value21042126211821412162217121962741277027972870304330293080271325532034201720091230125212121001674527129
Percentage of Assets2.62.72.62.72.72.82.83.73.83.94.24.85.05.04.34.13.22.92.61.51.41.31.20.70.50.1
Percentage of Assets2.62.72.62.72.72.82.83.73.83.94.24.85.05.04.34.13.22.92.61.51.41.31.20.70.50.1
Percentage of Assets us-gaap:OperatingSegments stwd:PropertySegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value7645774847760107573174691727597290569521680446724863362580395590156422583625816659982659357269678815852869034581567876189736610810011221611302911754812195610644399761995971830152715041212144912327418481056764
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets94.093.994.093.993.993.893.493.493.393.292.892.292.292.392.792.892.993.694.195.095.495.795.195.495.896.596.796.796.997.496.195.996.539.735.339.535.044.741.129.732.044.236.4

us-gaap:Liabilities dei:LegalEntity, us-gaap:ConsolidatedEntities, us-gaap:AdjustmentsForNewAccountingPronouncements

stwd:SptDolphin, us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:AccountingStandardsUpdate201502


Liabilitiesdei:
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value520520444446444
Percentage of Liabilities0.70.70.60.60.6
Percentage of Assets0.60.70.50.60.6
Percentage of Assets stwd:SptDolphin us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:AccountingStandardsUpdate20150276.976.066.066.065.0

us-gaap:Liabilities us-gaap:ConsolidatedEntities

us-gaap:CollateralizedLoanObligations


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value2400900900900900
Percentage of Liabilities3.11.21.21.21.2
Percentage of Assets3.01.11.11.11.2
Percentage of Assets us-gaap:CollateralizedLoanObligations82.881.881.881.881.8

us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value6200160896627766287662617598076074352195
Percentage of Liabilities81.181.482.683.083.882.283.382.4
Percentage of Assets76.376.477.678.078.777.177.876.5
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary97.797.697.797.597.697.897.797.7

us-gaap:Liabilities us-gaap:ConsolidatedEntities, us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:AccountingStandardsUpdate201502


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value54535353585586491
Percentage of Liabilities0.10.10.10.10.80.80.7
Percentage of Assets0.10.10.10.10.70.80.6
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:AccountingStandardsUpdate20150251.854.553.855.353.253.344.7

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

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:MaterialReconcilingItems


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value6200160896627766287662617598076074352195
Percentage of Liabilities81.181.482.683.083.882.283.382.4
Percentage of Assets76.376.477.678.078.777.177.876.5
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:MaterialReconcilingItems97.797.697.797.597.697.897.797.7

us-gaap:Liabilities us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:CollateralizedLoanObligations


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2407931931930929929929
Percentage of Liabilities3.11.21.21.21.21.31.3
Percentage of Assets3.01.21.21.21.21.21.2
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:CollateralizedLoanObligations83.484.484.284.484.484.484.3

us-gaap:Liabilities us-gaap:ConsolidatedEntities, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Liabilitiesus-gaap:
Period End2020-12-312019-12-312018-12-31
Value607565820650753
Percentage of Liabilities79.979.880.1
Percentage of Assets75.174.674.4
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:FairValueInputsLevel2 us-gaap:FairValueMeasurementsRecurring0.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Liabilitiesus-gaap:
Period End2020-12-312019-12-312018-12-31
Value201925371441
Percentage of Liabilities2.73.52.3
Percentage of Assets2.53.32.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:FairValueInputsLevel3 us-gaap:FairValueMeasurementsRecurring3.14.12.7

us-gaap:Liabilities us-gaap:ConsolidatedEntities, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, stwd:VariableInterestEntityLiabilities


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value57165586696075660560604885830058206
Percentage of Liabilities74.878.479.980.081.080.179.8
Percentage of Assets70.373.675.175.176.075.274.6
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:FairValueInputsLevel2 us-gaap:FairValueMeasurementsRecurring stwd:VariableInterestEntityLiabilities0.00.00.00.00.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, stwd:VariableInterestEntityLiabilities


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value4836222720192315212915062537
Percentage of Liabilities6.33.02.73.12.92.13.5
Percentage of Assets5.92.82.52.92.71.93.3
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:FairValueInputsLevel3 us-gaap:FairValueMeasurementsRecurring stwd:VariableInterestEntityLiabilities0.00.00.00.00.00.00.0

us-gaap:Liabilities us-gaap:ConsolidatedEntities, us-gaap:FairValueByMeasurementFrequency

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:FairValueMeasurementsRecurring


Liabilitiesus-gaap:
Period End2020-12-312019-12-312018-12-31
Value627766074352195
Percentage of Liabilities82.683.382.4
Percentage of Assets77.677.876.5
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:FairValueMeasurementsRecurring97.797.797.7

us-gaap:Liabilities us-gaap:ConsolidatedEntities, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:FairValueMeasurementsRecurring, stwd:VariableInterestEntityLiabilities


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value62001608966277662876626175980760743
Percentage of Liabilities81.181.482.683.083.882.283.3
Percentage of Assets76.376.477.678.078.777.177.8
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:FairValueMeasurementsRecurring stwd:VariableInterestEntityLiabilities0.00.00.00.00.00.00.0

us-gaap:Liabilities us-gaap:ConsolidatedEntities, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:CorporateJointVenture


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value7978858485880.4
Percentage of Liabilities0.10.10.10.10.10.10.0
Percentage of Assets0.10.10.10.10.10.10.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:CorporateJointVenture23.323.525.825.525.827.30.1

us-gaap:Liabilities us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value144771397213256128551207312966121751151611611115341118111117894882768384803871416811658859135709
Percentage of Liabilities18.918.717.417.016.217.816.716.617.117.217.619.216.014.714.413.811.910.39.17.57.0
Percentage of Assets17.817.516.415.915.216.715.615.515.916.016.417.714.813.513.312.811.19.78.57.16.7
Percentage of Assets stwd:OperatingSegmentsAndCorporateNonSegment74.974.273.272.571.372.970.470.170.470.269.669.665.763.964.864.061.160.159.259.157.9

us-gaap:CorporateNonSegment


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value258325982606255425732696255125312434240425072538275827452616252125072507249521412138213021582140214021332249
Percentage of Liabilities3.43.53.43.43.43.73.53.63.63.64.04.44.94.94.54.34.23.83.42.72.52.42.62.42.22.02.0
Percentage of Assets3.23.33.23.23.23.53.33.43.33.33.74.04.64.54.24.03.93.63.22.62.42.32.52.32.11.91.9
Percentage of Assets us-gaap:CorporateNonSegment1668.21033.1657.9726.1776.3348.8648.91559.1839.2798.81344.81177.41745.91369.5848.6839.71196.91563.4443.6746.51134.31461.0938.4993.1852.71559.63827.9

us-gaap:MaterialReconcilingItems


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value61980608746275462876626185979360729580045643255713521814692246952481454997750128528415912466107729017908784151758178218192047102709107232108880113541117931102649
Percentage of Liabilities81.181.382.683.083.882.283.383.482.982.882.480.884.085.385.686.288.189.790.992.592.793.193.093.894.595.095.696.396.696.796.4
Percentage of Assets76.276.477.678.078.777.177.877.977.477.276.474.677.578.879.479.981.983.985.687.988.589.188.489.590.691.792.493.193.694.292.7
Percentage of Assets us-gaap:MaterialReconcilingItems100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value782175036904655157086577600550175216504445073584
Percentage of Liabilities10.210.09.18.77.69.08.27.27.77.57.16.1
Percentage of Assets9.69.48.58.17.28.57.76.77.27.06.65.7
Percentage of Assets us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment60.258.957.156.752.658.454.451.553.753.550.044.4

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value137112771254125312321204122411841242141715511518
Percentage of Liabilities1.81.71.71.71.71.71.71.71.82.12.42.6
Percentage of Assets1.71.61.61.61.51.61.61.61.72.02.32.4
Percentage of Assets us-gaap:OperatingSegments stwd:InfrastructureLendingSegment67.567.270.970.971.269.869.571.066.568.167.174.5

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value7836776516527197416478457737271951634457486595607494496582567452514577379471326278191209272
Percentage of Liabilities1.00.90.90.91.01.00.91.21.11.13.11.10.80.81.01.00.80.70.70.70.50.60.70.40.40.30.20.20.20.3
Percentage of Assets1.00.90.80.80.91.00.81.11.11.02.91.00.70.80.90.90.70.60.70.60.50.60.60.40.40.30.20.20.20.2
Percentage of Assets us-gaap:OperatingSegments stwd:LNRBusinessSegments38.537.337.634.138.840.233.840.041.639.868.030.525.626.429.929.926.327.827.427.924.427.329.722.726.618.516.813.115.719.7

us-gaap:OperatingSegments, stwd:PropertySegment


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value1917191518381843183817461746193719441940195120031987202516971581129512641278784774756602339260
Percentage of Liabilities2.52.62.42.42.52.42.42.82.92.93.13.53.63.62.92.72.21.91.81.00.90.80.70.40.3
Percentage of Assets2.42.42.32.32.32.32.22.62.72.72.93.23.33.32.72.52.01.81.70.90.90.80.70.40.3
Percentage of Assets us-gaap:OperatingSegments stwd:PropertySegment91.190.186.886.185.080.479.570.770.269.468.065.865.665.762.661.963.762.763.663.861.862.460.250.249.5

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value8130979702808738061779556775777804274434729477216568262629216060061126629416270664542704787725682921893869443685738918191015851119801160991168931213631251721107701040741031854610432438053461324129972497264823922101
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value19328188261811717739169361778017306164231650516434160641597713624129581294112556116791133511135100069868
Percentage of LiabilitiesAndStockholdersEquity23.823.622.422.021.322.922.222.122.622.823.525.422.521.220.620.018.116.114.412.111.5
Percentage of Assets23.823.622.422.021.322.922.222.122.622.823.525.422.521.220.620.018.116.114.412.111.5
Percentage of Assets stwd:OperatingSegmentsAndCorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CorporateNonSegment


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value15425139635133177339316229030118621515820030830020916056228618814523021525013658
Percentage of LiabilitiesAndStockholdersEquity0.20.30.50.40.41.00.50.20.40.40.30.30.30.30.50.50.30.20.70.30.20.20.30.20.20.10.1
Percentage of Assets0.20.30.50.40.41.00.50.20.40.40.30.30.30.30.50.50.30.20.70.30.20.20.30.20.20.10.1
Percentage of Assets us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MaterialReconcilingItems


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value61980608766275562877626195979660735580105644255730521984694446976481684999950150528635914366120729147910084163758308219692058102719107242108890113550117939102657
Percentage of LiabilitiesAndStockholdersEquity76.276.477.678.078.777.177.877.977.477.276.574.677.578.879.480.081.983.985.687.988.589.188.489.590.691.792.493.293.694.292.7
Percentage of Assets76.276.477.678.078.777.177.877.977.477.276.574.677.578.879.480.081.983.985.687.988.589.188.489.590.691.792.493.293.694.292.7
Percentage of Assets us-gaap:MaterialReconcilingItems100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1299912731120971156210853112661104197349719942890178080
Percentage of LiabilitiesAndStockholdersEquity16.016.015.014.313.614.514.113.113.313.113.212.8
Percentage of Assets16.016.015.014.313.614.514.113.113.313.113.212.8
Percentage of Assets us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value203219011769176717311726176016691867208023102037
Percentage of LiabilitiesAndStockholdersEquity2.52.42.22.22.22.22.32.22.62.93.43.2
Percentage of Assets2.52.42.22.22.22.22.32.22.62.93.43.2
Percentage of Assets us-gaap:OperatingSegments stwd:InfrastructureLendingSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value203618151735191518571842191421141857182728702077178618391992203118801784212820291853188519421668177217611651145713341380
Percentage of LiabilitiesAndStockholdersEquity2.52.32.12.42.32.42.52.82.52.54.23.42.92.93.23.12.72.32.62.32.02.22.11.61.61.51.41.21.11.2
Percentage of Assets2.52.32.12.42.32.42.52.82.52.54.23.42.92.93.23.12.72.32.62.32.02.22.11.61.61.51.41.21.11.2
Percentage of Assets us-gaap:OperatingSegments stwd:LNRBusinessSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, stwd:PropertySegment


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value21042126211821412162217121962741277027972870304330293080271325532034201720091230125212121001674527129
Percentage of LiabilitiesAndStockholdersEquity2.62.72.62.72.72.82.83.73.83.94.24.85.05.04.34.13.22.92.61.51.41.31.20.70.50.1
Percentage of Assets2.62.72.62.72.72.82.83.73.83.94.24.85.05.04.34.13.22.92.61.51.41.31.20.70.50.1
Percentage of Assets us-gaap:OperatingSegments stwd:PropertySegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value4477447644884513449244484700465546374621460346214444445844784496451745014522406840604054414041704193385738603849380132044282427035462745271922952243178617591755179913271327
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.55.65.65.65.65.76.06.36.46.46.77.37.37.37.17.27.06.45.94.94.54.34.84.54.13.43.33.33.12.63.94.13.459.562.960.364.855.158.770.368.055.563.2

us-gaap:StockholdersEquity us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value447744764488451344924448470046554637462146034621444444584478449645174501452240684140
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.55.65.65.65.65.76.06.36.46.46.77.37.37.37.17.27.06.45.94.94.8
Percentage of Assets stwd:OperatingSegmentsAndCorporateNonSegment23.223.824.825.426.525.027.228.328.128.128.728.932.634.434.635.838.739.740.640.742.0

us-gaap:CorporateNonSegment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-2428.232-2347.406-2210.676-2203.006-2242.223-1923.719-2158.453-2368.915-2144.293-2103.456-2321.378-2322.491-2600.53-2545.2-2308.19-2221.176-2297.911-2346.818-1933.195-1854.416-1949.647-1984.269-1928.702-1925.122-1889.149-1997.057-2190.354
Percentage of StockholdersEquity-54.2-52.4-49.2-48.8-49.9-43.2-45.9-50.9-46.2-45.5-50.4-50.3-58.5-57.1-51.5-49.4-50.9-52.1-42.7-45.6-48.0-48.9-46.6-46.2-45.0-51.8-56.7
Percentage of Assets-3.0-2.9-2.7-2.7-2.8-2.5-2.8-3.2-2.9-2.9-3.4-3.7-4.3-4.2-3.7-3.5-3.6-3.3-2.5-2.2-2.2-2.1-2.2-2.1-1.9-1.8-1.9
Percentage of Assets us-gaap:CorporateNonSegment-1568.2-933.1-557.9-626.1-676.3-248.8-548.9-1459.1-739.2-698.8-1244.8-1077.4-1645.9-1269.5-748.6-739.7-1096.9-1463.4-343.6-646.5-1034.3-1361.0-838.4-893.1-752.7-1459.6-3727.9

us-gaap:StockholdersEquity us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value517752275193501151444688503647174502437244994485
Percentage of StockholdersEquity115.6116.8115.7111.0114.5105.4107.2101.397.194.697.7100.2
Percentage of Assets6.46.66.46.26.56.06.56.36.26.16.67.1
Percentage of Assets us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment39.841.142.943.347.441.645.648.546.346.449.955.5

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value660624514514498522536484625663759518
Percentage of StockholdersEquity14.813.911.511.411.111.711.410.413.514.416.511.2
Percentage of Assets0.80.80.60.60.60.70.70.70.90.91.10.8
Percentage of Assets us-gaap:OperatingSegments stwd:InfrastructureLendingSegment32.532.829.129.128.830.230.529.033.531.932.925.5

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1098987937111899496310711251106610866641430132213461386141313731274153314461388136413611287130114351373126611241108
Percentage of StockholdersEquity24.522.020.924.822.121.722.826.923.023.514.432.229.730.130.831.330.528.237.735.634.233.032.630.733.737.235.733.335.125.9
Percentage of Assets1.41.21.21.41.21.21.41.71.51.51.02.42.22.12.22.21.91.61.81.61.51.61.51.31.21.21.21.00.91.0
Percentage of Assets us-gaap:OperatingSegments stwd:LNRBusinessSegments53.954.454.058.453.552.356.059.257.459.423.168.974.073.269.669.673.171.472.171.374.972.470.177.173.481.583.286.984.380.3

us-gaap:OperatingSegments, stwd:PropertySegment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value-30.727-14.736547297197214570587602664822834849955971739752730446478456398335266129
Percentage of StockholdersEquity-0.7-0.31.21.62.24.44.612.312.713.014.417.818.819.021.321.616.416.716.211.011.811.39.68.16.43.4
Percentage of Assets-0.0-0.00.10.10.10.30.30.80.80.81.01.31.41.41.51.51.11.10.90.50.50.50.50.40.30.1
Percentage of Assets us-gaap:OperatingSegments stwd:PropertySegment-1.5-0.72.63.44.59.19.720.821.221.523.127.027.527.635.238.136.337.336.436.238.237.639.849.850.5100.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-08-17
Value25435156337934781147828433441223926523528636941326122261550140433536837244636025532751822631753636617317714419213211484961222262162101076450.001
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.40.70.50.41.00.60.40.50.60.40.40.40.50.60.70.40.30.80.60.50.40.40.40.40.30.20.30.40.20.30.50.43.84.13.85.64.13.83.43.75.110.80.00.00.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:CollateralizedLoanObligations


Cash
Period End2021-06-302020-12-31
Value3396
Percentage of CashAndCashEquivalentsAtCarryingValue13.017.2
Percentage of Assets0.00.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:CollateralizedLoanObligations1.18.8

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value253350562379346807477282333392237264234279363408257221614500367
Percentage of CashAndCashEquivalentsAtCarryingValue99.899.899.999.899.799.599.799.699.795.198.999.599.697.898.598.898.399.499.899.899.7
Percentage of Assets0.30.40.70.50.41.00.60.40.50.50.30.40.40.50.60.70.40.30.80.60.4
Percentage of Assets stwd:OperatingSegmentsAndCorporateNonSegment1.31.93.12.12.04.52.81.72.02.41.51.71.72.22.83.32.22.05.55.03.7

us-gaap:CorporateNonSegment


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value11021734629826671935612925329516418013017929929820715856028418714421820223812244
Percentage of CashAndCashEquivalentsAtCarryingValue43.661.861.578.776.688.674.645.575.971.768.468.155.362.981.072.079.371.491.156.746.343.059.254.453.334.117.2
Percentage of Assets0.10.30.40.40.30.90.50.20.30.40.20.30.20.30.50.50.30.20.70.30.20.20.30.20.20.10.0
Percentage of Assets us-gaap:CorporateNonSegment71.686.387.484.980.393.090.879.787.598.288.083.982.489.897.199.299.299.199.799.199.498.894.994.194.989.974.9

us-gaap:MaterialReconcilingItems


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0.6110.7840.7720.7481.0514.4341.2211.1891.099202.5541.3190.9116.2155.7265.1614.5821.2361.1481.1351.1561.0450.9780.9130.7560.6550.7860.6490.1940.2520.276
Percentage of CashAndCashEquivalentsAtCarryingValue0.20.20.10.20.30.50.30.40.34.91.10.50.42.21.51.21.70.60.20.20.30.30.30.20.20.20.30.20.00.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:MaterialReconcilingItems0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value6056160191322266421131414
Percentage of CashAndCashEquivalentsAtCarryingValue23.816.128.45.04.02.85.522.66.53.26.03.9
Percentage of Assets0.10.10.20.00.00.00.00.10.00.00.00.0
Percentage of Assets us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment0.50.41.30.20.10.20.20.70.20.10.20.2

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value317.8734.440.9940.2990.042.2096.4040.1260.0580.0130.008
Percentage of CashAndCashEquivalentsAtCarryingValue12.52.20.80.30.10.00.52.30.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:OperatingSegments stwd:InfrastructureLendingSegment1.60.40.30.10.00.00.10.40.00.00.00.0

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value222919223536614627472768553958364638736970625647142851861365140
Percentage of CashAndCashEquivalentsAtCarryingValue8.98.33.55.810.34.512.916.58.111.511.429.219.310.714.213.821.06.314.717.221.117.015.110.739.633.457.026.322.712.7
Percentage of Assets0.00.00.00.00.00.00.10.10.00.10.00.10.10.10.10.10.10.10.10.10.10.10.10.00.10.10.20.10.00.0
Percentage of Assets us-gaap:OperatingSegments stwd:LNRBusinessSegments1.11.61.11.21.92.03.22.21.52.61.03.33.12.12.91.82.52.23.53.43.83.32.92.98.14.811.39.33.92.9

us-gaap:OperatingSegments, stwd:PropertySegment


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-06-30
Value2839323830283035303627232514108.58112157.7016.22218152.9441.161
Percentage of CashAndCashEquivalentsAtCarryingValue11.011.35.710.08.73.56.312.69.18.811.48.810.75.22.82.14.96.81.31.24.64.60.80.3
Percentage of Assets0.00.00.00.00.00.00.00.00.00.10.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:OperatingSegments stwd:PropertySegment1.31.91.51.81.41.31.41.31.11.31.00.80.80.50.40.30.60.70.40.51.51.30.30.2

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312014-12-31
Value360469722511524931574394516545487390325379418468305262650553445391303
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.60.90.60.71.20.70.50.70.80.70.60.50.60.70.70.50.40.80.70.50.50.3

Furniture And Fixtures Gross

us-gaap:FurnitureAndFixturesGross us-gaap:StatementBusinessSegments

us-gaap:FurnitureAndFixturesGross

stwd:LNRBusinessSegments


Furniture
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value2.9852.8042.6062.5132.3632.2652.1392.7522.472.3742.1581.8711.581.3991.0360.9921.3331.3031.2561.0391.2270.8920.680.680.681.635
Percentage of FurnitureAndFixturesGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets stwd:LNRBusinessSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

stwd:PropertySegment


Furniture
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value6260595755545251494746444140312624232322211911
Percentage of FurnitureAndFixturesGross2094.82172.82288.32303.82360.02396.32457.61858.61991.81989.02133.82376.22657.82922.72995.02624.81849.31817.11834.02147.91761.02196.41761.8
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.00.00.00.00.00.0
Percentage of Assets stwd:PropertySegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Construction In Progress Gross

us-gaap:ConstructionInProgressGross us-gaap:StatementBusinessSegments

us-gaap:ConstructionInProgressGross

stwd:CommercialAndResidentialLendingSegment


Construction
Period End2021-06-302021-03-312020-12-31
Value1047575
Percentage of ConstructionInProgressGross100.0100.0100.0
Percentage of Assets0.10.10.1
Percentage of Assets stwd:CommercialAndResidentialLendingSegment0.00.00.0

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2.4492.5492.6352.7882.9733.3024.755.3955.7976.6117.281114117.7427.7267.5967.7163.9667.22611117.1784.153
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AmortizationOfIntangibleAssets us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:LeasesAcquiredInPlace


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2.0942.1862.2632.4012.5572.8564.0134.6044.9445.7366.37210139.9596.7526.7346.6316.7333.2886.21810105.6432.693
Percentage of AmortizationOfIntangibleAssets85.585.885.986.186.086.584.585.385.386.887.591.292.889.987.287.287.387.382.986.190.791.878.664.8
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:LeasesAcquiredInPlace0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OffMarketFavorableLease


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.3550.3630.3720.3870.4160.4460.7370.7910.8530.8750.9080.9781.0431.1170.990.9920.9650.9830.4930.6980.6150.5280.4560.393
Percentage of AmortizationOfIntangibleAssets14.514.214.113.914.013.515.514.714.713.212.58.87.210.112.812.812.712.712.49.75.64.56.49.5
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:OffMarketFavorableLease0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value96100108104104878412611912417116816616018524322920120418520019619919920420919311011810412213832
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.10.10.20.20.20.30.30.30.30.30.40.40.30.30.20.20.20.20.20.20.20.20.10.10.10.10.10.7

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidatedEntities, us-gaap:StatementScenario, us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, us-gaap:ScenarioAdjustment, us-gaap:AccountingStandardsUpdate201502


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value252525212121
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures26.625.523.220.920.224.0
Percentage of Assets0.00.00.00.00.00.0
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary us-gaap:ScenarioAdjustment us-gaap:AccountingStandardsUpdate2015020.00.00.00.00.00.0

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value111116124120121107104147142160193190188182206264248210212193206
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures115.1115.7114.9115.7116.0122.7124.5117.0118.9128.8112.8112.7113.0113.7111.3108.5108.2104.3103.7104.0103.6
Percentage of Assets0.10.10.20.10.20.10.10.20.20.20.30.30.30.30.30.40.40.30.30.20.2
Percentage of Assets stwd:OperatingSegmentsAndCorporateNonSegment0.60.60.70.70.70.60.60.90.91.01.21.21.41.41.62.12.11.91.91.92.1

us-gaap:MaterialReconcilingItems


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-14.652-15.882-16.112-16.366-16.798-19.866-20.637-21.473-22.597-35.799-22.0-21.46-21.717-21.975-20.988-20.76-18.728-8.583-7.622-7.513-7.894-7.434-7.225-7.344-7.144-6.852-6.722-6.54-2.564-3.476-3.383
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures-15.1-15.7-14.9-15.7-16.0-22.7-24.5-17.0-18.9-28.8-12.8-12.7-13.0-13.7-11.3-8.5-8.2-4.3-3.7-4.0-3.9-3.8-3.6-3.7-3.5-3.3-3.5-5.9-2.2-3.3-2.8
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:MaterialReconcilingItems-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0

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

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value434754504950464236353545
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures45.247.150.448.747.557.355.633.730.328.420.524.3
Percentage of Assets0.10.10.10.10.10.10.10.10.00.00.10.1
Percentage of Assets us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment0.30.40.40.40.50.40.40.40.40.40.40.6

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value24242524242525
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures25.624.623.223.623.629.630.7
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:OperatingSegments stwd:InfrastructureLendingSegment1.21.31.41.41.41.51.5

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value42444445473132333454114444550117895356415552535455504869686176
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures44.444.041.343.344.935.938.226.428.843.666.626.728.327.448.438.926.727.622.327.626.726.727.427.024.225.162.657.958.961.9
Percentage of Assets0.10.10.10.10.10.00.00.00.00.10.20.10.10.10.20.10.10.10.00.10.10.10.10.10.00.00.10.10.00.1
Percentage of Assets us-gaap:OperatingSegments stwd:LNRBusinessSegments2.12.42.62.42.51.71.71.61.93.04.02.12.52.85.94.42.93.21.92.72.82.82.83.32.92.84.24.74.65.5

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value259259259259259259259259259259259256140140140140140140140140140140140140140140140140140140140107100
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.30.30.30.30.30.40.40.40.40.20.20.20.20.20.20.20.20.20.10.20.20.10.10.10.10.10.10.10.10.1

us-gaap:Goodwill us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value259259259259259259259259259259259256140140140140140140140140140
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.30.30.30.30.30.40.40.40.40.20.20.20.20.20.20.20.20.2
Percentage of Assets stwd:OperatingSegmentsAndCorporateNonSegment1.31.41.41.51.51.51.51.61.61.61.61.61.01.11.11.11.21.21.31.41.4

us-gaap:Goodwill us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value119119119119119119119119119119119115
Percentage of Goodwill46.046.046.046.046.046.046.046.046.046.046.045.2
Percentage of Assets0.10.10.10.10.20.20.20.20.20.20.20.2
Percentage of Assets us-gaap:OperatingSegments stwd:InfrastructureLendingSegment5.96.36.76.86.96.96.87.26.45.75.25.7

us-gaap:Goodwill us-gaap:StatementBusinessSegments

stwd:InfrastructureLendingSegment


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value119119119119119119119119119119119116
Percentage of Goodwill46.046.046.046.046.046.046.046.046.046.046.045.2
Percentage of Assets0.10.10.10.10.20.20.20.20.20.20.20.2
Percentage of Assets stwd:InfrastructureLendingSegment0.00.00.00.00.00.00.00.00.00.00.00.0

stwd:LNRBusinessSegments


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302016-12-312013-09-302013-06-30
Value1401401401401401401401401401401401401400.00.00.0107100
Percentage of Goodwill54.054.054.054.054.054.054.054.054.054.054.054.8100.00.00.00.0100.0100.0
Percentage of Assets0.20.20.20.20.20.20.20.20.20.20.20.20.20.00.00.00.10.1
Percentage of Assets stwd:LNRBusinessSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.07.27.8

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:ConsolidatedEntities, us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE, stwd:DomesticServicingRights


Indefinite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value555554524843434343444459
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE stwd:DomesticServicingRights0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:ConsolidationItems, us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

srt:ConsolidationEliminations, stwd:DomesticServicingRights


Indefinite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value424241383427262424242428
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill75.477.675.872.371.562.160.657.756.055.154.047.8
Percentage of Assets0.10.10.10.00.00.00.00.00.00.00.00.0
Percentage of Assets srt:ConsolidationEliminations stwd:DomesticServicingRights0.00.00.00.00.00.00.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value65667074768285119129136145153166179183181191202219155177180201191175138144145156168177187190
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.10.10.20.20.20.20.20.30.30.30.30.30.30.30.20.20.20.20.20.20.10.10.10.10.10.20.20.2

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value107109111112111108111144153161169176190204211208218235253185213
Percentage of IntangibleAssetsNetExcludingGoodwill164.5164.3159.0151.5145.7132.9130.6120.6118.6117.8116.6114.8114.3113.9115.4114.6114.3116.3115.6119.2105.9
Percentage of Assets0.10.10.10.10.10.10.10.20.20.20.20.30.30.30.30.30.30.30.30.20.2
Percentage of Assets stwd:OperatingSegmentsAndCorporateNonSegment0.60.60.60.60.70.60.60.90.91.01.11.11.41.61.61.71.92.12.31.92.2

us-gaap:MaterialReconcilingItems


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-42.078-42.918-41.376-38.181-34.854-26.958-26.247-24.766-24.083-24.327-24.075-22.82-23.84-24.892-28.246-26.582-27.368-33.033-34.238-29.849-29.572-27.365-11.829-27.879-36.992-42.722-46.055-57.713-67.83-76.976-80.563
Percentage of IntangibleAssetsNetExcludingGoodwill-64.5-64.3-59.0-51.5-45.7-32.9-30.6-20.6-18.6-17.8-16.6-14.8-14.3-13.9-15.4-14.6-14.3-16.3-15.6-19.2-16.7-15.2-5.9-14.6-21.1-30.8-31.9-39.6-43.2-45.8-45.5
Percentage of Assets-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1
Percentage of Assets us-gaap:MaterialReconcilingItems-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value69707170676364687275908685959197111125137154147152162170181190203224245257
Percentage of IntangibleAssetsNetExcludingGoodwill107.2106.1101.494.988.677.675.457.356.255.462.751.747.952.050.451.155.357.288.687.581.775.585.096.9130.8131.9139.6143.2145.8145.5
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.20.10.20.20.20.20.20.20.20.20.20.20.20.20.20.20.2
Percentage of Assets us-gaap:OperatingSegments stwd:LNRBusinessSegments3.43.94.13.73.63.53.43.33.94.13.24.14.85.24.64.85.97.06.57.68.08.18.410.210.210.812.315.418.418.7

us-gaap:OperatingSegments, stwd:PropertySegment


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value373840414345477580859096104118116116121123128475160615642
Percentage of IntangibleAssetsNetExcludingGoodwill57.358.257.656.657.155.355.263.362.462.462.762.662.666.063.464.363.261.158.530.629.233.430.329.624.2
Percentage of Assets0.00.00.00.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.10.10.10.10.10.0
Percentage of Assets us-gaap:OperatingSegments stwd:PropertySegment1.81.81.92.02.02.12.22.82.93.13.23.23.43.84.34.65.96.16.43.94.15.06.18.48.1

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:LeasesAcquiredInPlace


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value3638404245485077859097104114125122122126129136707668665036
Percentage of IntangibleAssetsNetExcludingGoodwill55.357.658.057.959.458.659.464.665.966.567.167.668.869.866.967.366.163.862.445.243.237.932.826.620.8
Percentage of Assets0.00.00.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.10.10.10.10.10.0
Percentage of Assets us-gaap:LeasesAcquiredInPlace0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OffMarketFavorableLease


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value1515161617171724252627282929292526262714151413125.94
Percentage of IntangibleAssetsNetExcludingGoodwill23.723.823.222.422.321.320.920.219.519.118.718.317.616.316.314.213.713.112.49.68.88.06.56.63.4
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:OffMarketFavorableLease0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

stwd:DomesticServicingRights


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-31
Value13121314131616181819202122243033384655698395119123128132150
Percentage of IntangibleAssetsNetExcludingGoodwill21.018.618.819.718.320.119.715.214.614.514.214.113.613.916.818.620.223.125.144.447.052.959.464.873.091.884.7
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets stwd:DomesticServicingRights0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value51545659
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0
Percentage of Assets0.10.10.10.1

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value2.90814181930262220181919106.5394.86
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi us-gaap:ConsolidatedEntities

us-gaap:EquitySecuritiesFvNi

srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE


Equity
Period End2021-06-302020-12-31
Value1111
Percentage of EquitySecuritiesFvNi100.0100.0
Percentage of Assets0.00.0
Percentage of Assets srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE0.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-06-302020-12-31
Value1111
Percentage of EquitySecuritiesFvNi100.0100.0
Percentage of Assets0.00.0
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring0.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-06-302020-12-31
Value1111
Percentage of EquitySecuritiesFvNi100.0100.0
Percentage of Assets0.00.0
Percentage of Assets us-gaap:FairValueMeasurementsRecurring0.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

stwd:StarwoodEuropeanRealEstateFinanceLimited


Equity
Period End2021-06-302020-12-31
Value1111
Percentage of EquitySecuritiesFvNi100.299.6
Percentage of Assets0.00.0
Percentage of Assets stwd:StarwoodEuropeanRealEstateFinanceLimited0.00.0

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value24120819016318420321125016622715219817746713811216310710112811811114213711612813512316511195988756252238112111247.7825.336
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.20.20.20.30.30.30.20.30.20.30.30.80.20.20.30.20.10.20.10.10.20.10.10.10.10.10.10.10.10.10.11.20.60.61.10.40.70.50.90.30.3

us-gaap:OtherAssets us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:CollateralizedLoanObligations


Other
Period End2021-06-302020-12-312019-12-31
Value6.0810.55726
Percentage of OtherAssets2.50.312.5
Percentage of Assets0.00.00.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:CollateralizedLoanObligations0.20.12.4

us-gaap:OtherAssets us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value241208190163184203211250166227152198177470141115166110104130104
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.6102.1102.5101.7102.5102.6102.073.5
Percentage of Assets0.30.30.20.20.20.30.30.30.20.30.20.30.30.80.20.20.30.20.10.20.1
Percentage of Assets stwd:OperatingSegmentsAndCorporateNonSegment1.21.11.10.91.11.11.21.51.01.41.01.21.33.61.10.91.41.00.91.31.1

us-gaap:CorporateNonSegment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value149.64610119.5128.8128.9119.1299.2221.9442.0572.3991.8782.0833.7552.2931.7681.4971.8662.5191.1631.7371112121314
Percentage of OtherAssets6.24.65.37.25.24.34.23.65.50.91.31.21.10.42.72.01.11.41.82.01.01.68.29.311.110.810.9
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CorporateNonSegment9.73.82.63.42.91.12.35.63.20.61.11.11.21.01.20.80.80.90.30.90.61.25.15.95.110.125.1

us-gaap:MaterialReconcilingItems


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0.013-0.016-0.0070.003-0.025-0.015-0.0070.0020.01-0.016-0.026-0.007-0.025-2.923-2.868-2.806-2.762-2.709-2.645-2.521-2.372-2.211-2.057-1.9-1.741-1.611-1.464-1.304-1.179-1.036-0.872
Percentage of OtherAssets0.0-0.0-0.00.0-0.0-0.0-0.00.00.0-0.0-0.0-0.0-0.0-0.6-2.1-2.5-1.7-2.5-2.6-2.0-2.0-2.0-1.4-1.4-1.5-1.3-1.1-1.1-0.7-0.9-0.9
Percentage of Assets0.0-0.0-0.00.0-0.0-0.0-0.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:MaterialReconcilingItems0.0-0.0-0.00.0-0.0-0.0-0.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0

us-gaap:OtherAssets us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value81616124296159981511135.648
Percentage of OtherAssets33.829.532.315.116.230.028.039.39.05.09.14.1
Percentage of Assets0.10.10.10.00.00.10.10.10.00.00.00.0
Percentage of Assets us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment0.60.50.50.20.30.50.51.00.20.10.20.1

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value117.1074.5314.2165.6165.1086.1015.9784.64572208.398
Percentage of OtherAssets4.83.42.42.63.02.52.92.42.832.013.44.2
Percentage of Assets0.00.00.00.00.00.00.00.00.00.10.00.0
Percentage of Assets us-gaap:OperatingSegments stwd:InfrastructureLendingSegment0.60.40.30.20.30.30.30.40.23.50.90.4

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value4244445257525464667567515059615951598974707264657810086866257
Percentage of OtherAssets17.521.423.432.031.125.625.725.539.933.243.929.210.943.255.036.347.358.569.463.163.151.346.756.460.974.570.252.256.160.1
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.1
Percentage of Assets us-gaap:OperatingSegments stwd:LNRBusinessSegments2.12.52.62.73.12.82.83.03.64.12.32.52.83.23.12.92.73.34.23.73.83.93.33.94.45.75.25.94.74.2

us-gaap:OperatingSegments, stwd:PropertySegment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value91856970817682727165679992887140584029323227314019
Percentage of OtherAssets37.741.036.643.044.537.739.229.142.729.043.950.052.319.052.136.336.037.429.125.127.624.322.429.616.7
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.20.20.10.10.10.10.10.00.00.00.00.00.00.0
Percentage of Assets us-gaap:OperatingSegments stwd:PropertySegment4.34.03.33.33.83.53.82.72.62.42.33.33.12.92.71.62.92.01.52.62.62.23.26.03.7

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-09-302013-06-302013-03-31
Value1732192819261924192219982024225522522125204420392033201113251418131217081027
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.12.52.62.62.72.93.23.73.73.43.33.22.92.61.51.21.31.722.3

us-gaap:LongTermDebt us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value17371735173219341932193019281926192419221998202422552252212520111323
Percentage of LongTermDebt0.00.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.9
Percentage of Assets2.12.22.12.42.42.52.52.62.62.72.93.23.73.73.42.61.5
Percentage of Assets us-gaap:CarryingReportedAmountFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PortionAtOtherThanFairValueFairValueDisclosure


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value18021803178619171873177320222027197319621945202022712287219120881331
Percentage of LongTermDebt0.00.0103.10.00.00.0104.9105.3102.5102.097.399.8100.7101.5103.1103.8100.5
Percentage of Assets2.22.32.22.42.42.32.62.72.72.72.83.23.73.73.52.71.6
Percentage of Assets us-gaap:PortionAtOtherThanFairValueFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:LongtermDebtType

us-gaap:UnsecuredDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value1737173517321934193219301928192619241998
Percentage of LongTermDebt0.00.0100.00.00.00.0100.0100.0100.0100.0
Percentage of Assets2.12.22.12.42.42.52.52.62.62.9
Percentage of Assets us-gaap:UnsecuredDebt0.00.00.00.00.00.00.00.00.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value37437737337137236943625726529529626125424610042434137363936303025222214131144434134775.4895.5625.5975.6590.4540.4438.7939.669
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.50.50.50.50.60.30.40.40.40.40.40.40.20.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.81.80.10.20.20.20.00.00.40.5

us-gaap:MinorityInterest us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value37337637237037036543025125527827923923122378202122242317
Percentage of MinorityInterest99.899.699.699.699.599.198.697.596.494.294.391.690.890.678.148.749.655.065.365.458.7
Percentage of Assets0.50.50.50.50.50.50.60.30.40.40.40.40.40.40.10.00.00.00.00.00.0
Percentage of Assets stwd:OperatingSegmentsAndCorporateNonSegment1.92.02.12.12.22.12.51.51.61.71.71.51.71.70.60.20.20.20.20.20.2

us-gaap:MaterialReconcilingItems


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0.6841.3571.4551.5961.8073.4386.0346.5199.599171621232322222118131212121214111010108.7428.248.188
Percentage of MinorityInterest0.20.40.40.40.50.91.42.53.65.85.78.49.29.421.951.350.445.034.734.632.733.341.348.245.147.245.968.765.371.618.4
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:MaterialReconcilingItems0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterest us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-03-312018-12-312017-12-31
Value0.1150.1180.1150.1180.1150.118101010
Percentage of MinorityInterest0.00.00.00.00.00.03.43.510.6
Percentage of Assets0.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment0.00.00.00.00.00.00.10.10.1

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value155150145144143138194171713254126.5567.734101011131215126.4024.0562.077
Percentage of MinorityInterest41.539.938.938.938.537.544.67.06.74.785.95.02.77.723.624.428.635.934.638.735.220.913.38.2
Percentage of Assets0.20.20.20.20.20.20.20.00.00.00.40.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:OperatingSegments stwd:LNRBusinessSegments7.68.38.47.67.77.510.20.81.00.88.90.60.40.40.50.50.60.80.60.80.70.30.20.1

us-gaap:OperatingSegments, stwd:PropertySegment


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2182252262252272272352332382542542172082056013
Percentage of MinorityInterest58.359.760.760.661.061.554.090.589.786.185.983.481.783.659.935.9
Percentage of Assets0.30.30.30.30.30.30.30.30.30.40.40.30.30.30.10.0
Percentage of Assets us-gaap:OperatingSegments stwd:PropertySegment10.410.610.710.510.510.510.78.58.69.18.97.26.96.72.20.7

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value1272000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value1281000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value1290000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value1350000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value4461000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.0

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-01-01
Value11101812
Percentage of OperatingLeaseLiability100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value13
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value1691000.0
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value4477447644884513449244484700465546374621460346214444445844784496451745014522406840604054414041704193385738603849380132044282427035462745271922952243178617591755179913271327
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.55.65.65.65.65.76.06.36.46.46.77.37.37.37.17.27.06.45.94.94.54.34.84.54.13.43.33.33.12.63.94.13.459.562.960.364.855.158.770.368.055.563.2

us-gaap:StockholdersEquity us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value447744764488451344924448470046554637462146034621444444584478449645174501452240684140
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.55.65.65.65.65.76.06.36.46.46.77.37.37.37.17.27.06.45.94.94.8
Percentage of Assets stwd:OperatingSegmentsAndCorporateNonSegment23.223.824.825.426.525.027.228.328.128.128.728.932.634.434.635.838.739.740.640.742.0

us-gaap:CorporateNonSegment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-2428.232-2347.406-2210.676-2203.006-2242.223-1923.719-2158.453-2368.915-2144.293-2103.456-2321.378-2322.491-2600.53-2545.2-2308.19-2221.176-2297.911-2346.818-1933.195-1854.416-1949.647-1984.269-1928.702-1925.122-1889.149-1997.057-2190.354
Percentage of StockholdersEquity-54.2-52.4-49.2-48.8-49.9-43.2-45.9-50.9-46.2-45.5-50.4-50.3-58.5-57.1-51.5-49.4-50.9-52.1-42.7-45.6-48.0-48.9-46.6-46.2-45.0-51.8-56.7
Percentage of Assets-3.0-2.9-2.7-2.7-2.8-2.5-2.8-3.2-2.9-2.9-3.4-3.7-4.3-4.2-3.7-3.5-3.6-3.3-2.5-2.2-2.2-2.1-2.2-2.1-1.9-1.8-1.9
Percentage of Assets us-gaap:CorporateNonSegment-1568.2-933.1-557.9-626.1-676.3-248.8-548.9-1459.1-739.2-698.8-1244.8-1077.4-1645.9-1269.5-748.6-739.7-1096.9-1463.4-343.6-646.5-1034.3-1361.0-838.4-893.1-752.7-1459.6-3727.9

us-gaap:StockholdersEquity us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value517752275193501151444688503647174502437244994485
Percentage of StockholdersEquity115.6116.8115.7111.0114.5105.4107.2101.397.194.697.7100.2
Percentage of Assets6.46.66.46.26.56.06.56.36.26.16.67.1
Percentage of Assets us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment39.841.142.943.347.441.645.648.546.346.449.955.5

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value660624514514498522536484625663759518
Percentage of StockholdersEquity14.813.911.511.411.111.711.410.413.514.416.511.2
Percentage of Assets0.80.80.60.60.60.70.70.70.90.91.10.8
Percentage of Assets us-gaap:OperatingSegments stwd:InfrastructureLendingSegment32.532.829.129.128.830.230.529.033.531.932.925.5

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1098987937111899496310711251106610866641430132213461386141313731274153314461388136413611287130114351373126611241108
Percentage of StockholdersEquity24.522.020.924.822.121.722.826.923.023.514.432.229.730.130.831.330.528.237.735.634.233.032.630.733.737.235.733.335.125.9
Percentage of Assets1.41.21.21.41.21.21.41.71.51.51.02.42.22.12.22.21.91.61.81.61.51.61.51.31.21.21.21.00.91.0
Percentage of Assets us-gaap:OperatingSegments stwd:LNRBusinessSegments53.954.454.058.453.552.356.059.257.459.423.168.974.073.269.669.673.171.472.171.374.972.470.177.173.481.583.286.984.380.3

us-gaap:OperatingSegments, stwd:PropertySegment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value-30.727-14.736547297197214570587602664822834849955971739752730446478456398335266129
Percentage of StockholdersEquity-0.7-0.31.21.62.24.44.612.312.713.014.417.818.819.021.321.616.416.716.211.011.811.39.68.16.43.4
Percentage of Assets-0.0-0.00.10.10.10.30.30.80.80.81.01.31.41.41.51.51.11.10.90.50.50.50.50.40.30.1
Percentage of Assets us-gaap:OperatingSegments stwd:PropertySegment-1.5-0.72.63.44.59.19.720.821.221.523.127.027.527.635.238.136.337.336.436.238.237.639.849.850.5100.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-08-17
Value48514854486248854864481751374913490349164900488246994704457945394560454345604105410040904170420142193880388238633814321543274313358827802797230122491792176517561800133613379148938948960.001
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.06.16.06.16.16.26.66.66.76.87.27.87.87.77.37.27.16.45.95.04.64.34.94.64.23.53.33.33.12.63.94.13.560.364.760.565.055.358.970.368.055.863.60.00.00.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value485148534861488448624813513049064893489948834860467646814557451745384524454640924158
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.099.999.999.999.899.799.799.599.599.599.599.599.599.699.799.799.7
Percentage of Assets6.06.16.06.16.16.26.66.66.76.87.27.77.77.77.27.27.06.45.94.94.9
Percentage of Assets stwd:OperatingSegmentsAndCorporateNonSegment25.125.826.827.528.727.129.629.929.629.830.430.434.336.135.236.038.939.940.840.942.1

us-gaap:CorporateNonSegment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-2428.232-2347.406-2210.676-2203.006-2242.223-1923.719-2158.453-2368.915-2144.293-2103.456-2321.378-2322.491-2600.53-2545.2-2308.19-2221.176-2297.911-2346.818-1933.195-1854.416-1949.647-1984.269-1928.702-1925.122-1889.149-1997.057-2190.354
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-50.0-48.4-45.5-45.1-46.1-39.9-42.0-48.2-43.7-42.8-47.4-47.6-55.3-54.1-50.4-48.9-50.4-51.7-42.4-45.2-47.6-48.5-46.2-45.8-44.8-51.5-56.4
Percentage of Assets-3.0-2.9-2.7-2.7-2.8-2.5-2.8-3.2-2.9-2.9-3.4-3.7-4.3-4.2-3.7-3.5-3.6-3.3-2.5-2.2-2.2-2.1-2.2-2.1-1.9-1.8-1.9
Percentage of Assets us-gaap:CorporateNonSegment-1568.2-933.1-557.9-626.1-676.3-248.8-548.9-1459.1-739.2-698.8-1244.8-1077.4-1645.9-1269.5-748.6-739.7-1096.9-1463.4-343.6-646.5-1034.3-1361.0-838.4-893.1-752.7-1459.6-3727.9

us-gaap:MaterialReconcilingItems


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0.6841.3571.4551.5961.8073.4386.0346.5199.599171621232322222118131212121214111010108.7428.248.188
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.10.10.10.20.30.30.50.50.50.50.50.50.40.30.30.30.30.30.30.30.30.30.30.20.30.2
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:MaterialReconcilingItems0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value517752275193501151444688503647174502438345094496
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest106.7107.7106.8102.6105.797.398.096.091.889.192.098.2
Percentage of Assets6.46.66.46.26.56.06.56.36.26.16.67.1
Percentage of Assets us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment39.841.142.943.347.441.645.648.546.346.550.055.6

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value660624514514498522536484625663759518
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest13.612.910.610.510.310.810.49.912.813.515.510.6
Percentage of Assets0.80.80.60.60.60.70.70.70.90.91.10.8
Percentage of Assets us-gaap:OperatingSegments stwd:InfrastructureLendingSegment32.532.829.129.128.830.230.529.033.531.932.925.5

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value12531137108312621137110112661269108410999191443132813531396142313851287154614621401137013651289130114351373126611241108
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest25.823.422.325.823.422.924.725.822.122.418.830.728.229.630.831.230.528.237.735.734.332.932.530.633.537.035.633.235.025.6
Percentage of Assets1.51.41.31.61.41.41.61.71.51.51.32.42.22.22.22.22.01.71.91.61.51.61.51.31.21.21.21.00.91.0
Percentage of Assets us-gaap:OperatingSegments stwd:LNRBusinessSegments61.562.762.465.961.259.866.260.058.460.232.069.574.473.670.170.173.772.272.672.175.672.770.377.373.481.583.286.984.380.3

us-gaap:OperatingSegments, stwd:PropertySegment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value1872102802973244244498038258579191040104210551015971739752730446478456398335266129
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest3.94.35.86.16.78.88.816.416.817.418.821.322.222.422.221.416.216.616.010.911.711.29.68.06.33.3
Percentage of Assets0.20.30.30.40.40.50.61.11.11.21.31.71.71.71.61.51.11.10.90.50.50.50.50.40.30.1
Percentage of Assets us-gaap:OperatingSegments stwd:PropertySegment8.99.913.213.915.019.620.529.329.830.632.034.234.434.337.438.136.337.336.436.238.237.639.849.850.5100.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:CumulativeEffectPeriodOfAdoption

srt:CumulativeEffectPeriodOfAdoptionAdjustment


Stockholders
Period End2020-12-312019-12-31
Value-1.536-32.286
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.0-0.6
Percentage of Assets-0.0-0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment0.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-12-31
Value-3.755
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.1
Percentage of Assets-0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:AdditionalPaidInCapital0.0

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:Parent


Stockholders
Period End2020-12-312019-12-31
Value-1.536-32.286
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.0-0.6
Percentage of Assets-0.0-0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:Parent0.00.0

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:RetainedEarnings


Stockholders
Period End2020-12-312019-12-31
Value2.219-32.286
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.0-0.6
Percentage of Assets0.0-0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:RetainedEarnings0.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value414144423550
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.90.90.90.90.71.0
Percentage of Assets0.10.10.10.10.00.1
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4141434242355052575558676875696555403640323329394539556974807569607079621210-3.998-9.4655.4793.0868.2038.604-1.943-0.447
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.90.90.90.90.90.71.01.11.21.11.21.41.41.61.51.41.20.90.81.00.80.80.70.91.11.01.41.82.02.51.71.61.72.52.82.70.50.6-0.2-0.50.30.20.60.9-0.2-0.0
Percentage of Assets0.10.10.10.10.10.00.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.00.00.00.00.00.00.10.10.10.10.10.11.51.81.60.40.3-0.1-0.40.20.10.40.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-08-17
Value52485225520952005193515951325121510350804995496347384728471547054697468946914230422042104192418441733837383537933784319243004295358027542721229722941832182818251821134113379008988978950.001
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest108.2107.6107.1106.4106.8107.199.9104.2104.1103.3101.9101.7100.8100.5103.0103.6103.0103.2102.9103.0102.9102.9100.599.698.998.998.898.299.299.399.499.699.899.197.399.9102.0102.2103.6103.9101.2100.4100.198.5100.6100.3100.0100.0
Percentage of Assets6.56.66.46.56.56.76.66.97.07.07.37.97.87.77.57.57.36.76.15.14.74.54.94.64.13.43.33.23.12.63.94.13.559.762.960.466.356.561.073.168.856.163.70.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value2.9522.9432.9212.9182.9162.8942.8742.8712.8642.8552.8082.7932.6752.6712.662.6542.6522.6482.6392.432.4272.4222.412.4072.4022.2552.2482.2362.2321.9671.9611.9591.671.3631.3611.1751.1730.940.9380.9260.9260.7060.7060.4760.4760.4760.476
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value37437737337137236943625726529529626125424610042434137363936303025222214131144434134775.4895.5625.5975.6590.4540.4438.7939.6691210108.068
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest7.77.87.77.67.77.78.55.25.46.06.15.35.45.22.20.90.90.90.80.91.00.90.70.70.60.60.60.40.40.41.01.01.21.32.80.20.20.30.30.00.00.70.71.41.21.20.9
Percentage of Assets0.50.50.50.50.50.50.60.30.40.40.40.40.40.40.20.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.81.80.10.20.20.20.00.00.40.50.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-08-17
Value44774476448845134492444847004655463746214603462144444458447844964517450145224068406040544140417041933857386038493801320442824270354627452719229522431786175917551799132713279018828848870.001
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest92.392.292.392.492.392.391.594.894.694.093.994.794.694.897.899.199.199.199.299.199.099.199.399.399.499.499.499.699.699.699.099.098.898.797.299.899.899.799.7100.0100.099.399.398.698.898.899.1100.0
Percentage of Assets5.55.65.65.65.65.76.06.36.46.46.77.37.37.37.17.27.06.45.94.94.54.34.84.54.13.43.33.33.12.63.94.13.459.562.960.364.855.158.770.368.055.563.20.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value-677.375-654.75-629.733-599.014-614.093-616.765-381.719-417.529-421.858-413.553-348.998-308.343-260.762-243.438-217.312-184.073-146.863-138.7-115.579-112.303-103.373-100.201-12.2865.8434.1232.55-9.3787.302-49.686-59.542-84.719-85.339-84.923-70.305-72.401-54.938-53.522-46.409-55.129-54.726-27.648-18.394-19.302-7.794-14.43-13.123-8.366
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-14.0-13.5-13.0-12.3-12.6-12.8-7.4-8.5-8.6-8.4-7.1-6.3-5.5-5.2-4.7-4.1-3.2-3.1-2.5-2.7-2.5-2.4-0.30.10.10.1-0.20.2-1.3-1.9-2.0-2.0-2.4-2.5-2.6-2.4-2.4-2.6-3.1-3.1-1.5-1.4-1.4-0.9-1.6-1.5-0.9
Percentage of Assets-0.8-0.8-0.8-0.7-0.8-0.8-0.5-0.6-0.6-0.6-0.5-0.5-0.4-0.4-0.3-0.3-0.2-0.2-0.1-0.1-0.1-0.1-0.00.00.00.0-0.00.0-0.0-0.0-0.1-0.1-0.1-1.5-1.7-1.4-1.5-1.4-1.8-2.2-1.0-0.8-0.90.00.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStockCommon


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312014-12-31
Value-138.022-138.022-138.022-133.024-133.024-133.024-104.194-104.194-104.194-104.194-104.194-104.194-104.194-104.194-92.104-92.104-92.104-92.104-92.104-92.104-92.104-72.381-23.635
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-2.8-2.8-2.8-2.7-2.7-2.8-2.0-2.1-2.1-2.1-2.1-2.1-2.2-2.2-2.0-2.0-2.0-2.0-2.0-2.2-2.2-1.7-0.6
Percentage of Assets-0.2-0.2-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.0
Percentage of Assets us-gaap:TreasuryStockCommon0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value2952000.02943000.02921000.02918000.02916000.02894000.02874000.02871000.02864000.02855000.02808000.02793000.02675000.02671000.02660000.02654000.02652000.02648000.02639000.02430000.02427000.02422000.02410000.02407000.02402000.02255000.02248000.02236000.02232000.01967000.01961000.01959000.01670000.01363000.01361000.01175000.01173000.0940000.0938000.0926000.0926000.0706000.0706000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockValue us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value2952000.02943000.02921000.02918000.02916000.02894000.02874000.02871000.02864000.02855000.02808000.02793000.02675000.02671000.02660000.02654000.02652000.02648000.02639000.02430000.02410000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets stwd:OperatingSegmentsAndCorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CorporateNonSegment


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value2952000.02943000.02921000.02918000.02916000.02894000.02874000.02871000.02864000.02855000.02808000.02793000.02675000.02671000.02660000.02654000.02652000.02648000.02639000.02430000.02427000.02422000.02410000.02407000.02402000.02255000.02248000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CorporateNonSegment1.91.20.70.80.90.40.71.81.00.91.51.31.71.30.90.91.31.70.50.81.31.71.01.11.01.63.8

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital us-gaap:CumulativeEffectPeriodOfAdoption

us-gaap:AdditionalPaidInCapital

srt:CumulativeEffectPeriodOfAdoptionAdjustment


Additional
Period End2021-01-01
Value-3700000.0
Percentage of AdditionalPaidInCapital100.0
Percentage of Assets0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment0.0

us-gaap:AdditionalPaidInCapital us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements

srt:CumulativeEffectPeriodOfAdoptionAdjustment, stwd:AccountingStandardsUpdate202006


Additional
Period End2021-01-01
Value-3700000.0
Percentage of AdditionalPaidInCapital100.0
Percentage of Assets0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment stwd:AccountingStandardsUpdate2020060.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value5248522552095200519351595132512151035080499549634738472847154705469746894691423042204210419241844173383738353793378431924300429535802754272122972294183218281825182113411337
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.56.66.46.56.56.76.66.97.07.07.37.97.87.77.57.57.36.76.15.14.74.54.94.64.13.43.33.23.12.63.94.13.559.762.960.466.356.561.073.168.856.163.7

us-gaap:AdditionalPaidInCapitalCommonStock us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value524852255209520051935159513251215103508049954963473847284715470546974689469142304192
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.56.66.46.56.56.76.66.97.07.07.37.97.87.77.57.57.36.76.15.14.9
Percentage of Assets stwd:OperatingSegmentsAndCorporateNonSegment27.227.828.829.330.729.029.731.230.930.931.131.134.836.536.437.540.241.442.142.342.5

us-gaap:CorporateNonSegment


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value3942382337443534330634382995256825992466206918761400126012801167901668892771506304173-18.11-182.02-469.393-832.027
Percentage of AdditionalPaidInCapitalCommonStock75.173.271.968.063.766.758.450.150.948.641.437.829.526.727.224.819.214.219.018.212.07.24.1-0.4-4.4-12.2-21.7
Percentage of Assets4.84.84.64.44.24.43.83.53.63.43.03.02.32.12.01.91.40.91.20.90.60.30.2-0.0-0.2-0.4-0.7
Percentage of Assets us-gaap:CorporateNonSegment2546.21519.7945.01004.5997.3444.7761.71581.8896.2819.41109.7870.4886.3628.8415.2388.9430.2416.6158.7269.0268.8208.575.4-8.4-72.5-343.1-1416.1

us-gaap:AdditionalPaidInCapitalCommonStock us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value87810741192116514731159152213071203119914301818
Percentage of AdditionalPaidInCapitalCommonStock16.720.622.922.428.422.529.725.523.623.628.638.6
Percentage of Assets1.11.31.51.41.91.52.01.81.71.72.12.9
Percentage of Assets us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment6.88.49.910.113.610.313.813.412.412.715.922.5

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value629599496509504531529481624663761525
Percentage of AdditionalPaidInCapitalCommonStock12.011.59.59.89.710.310.39.412.213.115.310.6
Percentage of Assets0.80.80.60.60.60.70.70.60.90.91.10.8
Percentage of Assets us-gaap:OperatingSegments stwd:InfrastructureLendingSegment31.031.528.128.829.130.830.128.833.431.933.025.8

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-218.645-298.098-322.992-124.805-228.654-200.489-123.2115649118645606562659747861917883120511831173114611831174126314381391136612831308
Percentage of AdditionalPaidInCapitalCommonStock-4.2-5.7-6.2-2.4-4.4-3.9-2.43.01.02.312.912.811.914.015.918.319.618.828.528.027.927.428.328.132.937.536.736.140.230.4
Percentage of Assets-0.3-0.4-0.4-0.2-0.3-0.3-0.20.20.10.20.91.00.91.01.21.31.31.11.51.31.21.31.31.21.11.21.21.11.01.2
Percentage of Assets us-gaap:OperatingSegments stwd:LNRBusinessSegments-10.7-16.4-18.6-6.5-12.3-10.9-6.47.42.76.522.529.231.535.837.542.448.849.556.658.363.360.860.970.471.381.784.393.896.294.8

us-gaap:OperatingSegments, stwd:PropertySegment


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value162598115137229208609625631645809826850957981707713696438467456394329262127
Percentage of AdditionalPaidInCapitalCommonStock0.30.51.92.22.74.44.111.912.312.412.916.317.418.020.320.915.115.214.810.411.110.89.47.96.33.3
Percentage of Assets0.00.00.10.10.20.30.30.80.90.90.91.31.41.41.51.61.11.00.90.50.50.50.50.40.30.1
Percentage of Assets us-gaap:OperatingSegments stwd:PropertySegment0.81.24.75.46.410.69.522.222.622.622.526.627.327.635.338.434.835.434.635.637.437.639.448.949.898.3

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value-677.375-654.75-629.733-599.014-614.093-616.765-381.719-417.529-421.858-413.553-348.998-308.343-260.762-243.438-217.312-184.073-146.863-138.7-115.579-112.303-103.373-100.201-12.2865.8434.1232.55-9.3787.302-49.686-59.542-84.719-85.339-84.923-70.305-72.401-54.938-53.522-46.409-55.129-54.726-27.648-18.394-19.302
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.8-0.8-0.8-0.7-0.8-0.8-0.5-0.6-0.6-0.6-0.5-0.5-0.4-0.4-0.3-0.3-0.2-0.2-0.1-0.1-0.1-0.1-0.00.00.00.0-0.00.0-0.0-0.0-0.1-0.1-0.1-1.5-1.7-1.4-1.5-1.4-1.8-2.2-1.0-0.8-0.9

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value-677.375-654.75-629.733-599.014-614.093-616.765-381.719-417.529-421.858-413.553-348.998-308.343-260.762-243.438-217.312-184.073-146.863-138.7-115.579-112.303-12.286
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.8-0.8-0.8-0.7-0.8-0.8-0.5-0.6-0.6-0.6-0.5-0.5-0.4-0.4-0.3-0.3-0.2-0.2-0.1-0.1-0.0
Percentage of Assets stwd:OperatingSegmentsAndCorporateNonSegment-3.5-3.5-3.5-3.4-3.6-3.5-2.2-2.5-2.6-2.5-2.2-1.9-1.9-1.9-1.7-1.5-1.3-1.2-1.0-1.1-0.1

us-gaap:CorporateNonSegment


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-6235.729-6035.338-5820.453-5607.563-5418.381-5232.167-5052.197-4835.658-4642.753-4468.8-4289.313-4097.321-3899.35-3704.387-3499.042-3299.719-3109.751-2925.463-2736.429-2536.219-2366.73-2198.595-2032.197-1847.894-1677.067-1506.284-1336.94
Percentage of RetainedEarningsAccumulatedDeficit920.6921.8924.3936.1882.3848.31323.51158.21100.51080.61229.01328.81495.41521.71610.11792.62117.52109.22367.62258.42289.52194.216540.8-31625.8-40675.9-59070.014256.1
Percentage of Assets-7.7-7.6-7.2-7.0-6.8-6.7-6.5-6.5-6.4-6.2-6.3-6.5-6.4-6.1-5.6-5.3-4.8-4.2-3.5-3.1-2.6-2.3-2.4-2.0-1.7-1.3-1.2
Percentage of Assets us-gaap:CorporateNonSegment-4027.2-2399.1-1468.8-1593.6-1634.4-676.6-1284.8-2978.5-1600.4-1484.5-2300.1-1900.8-2467.9-1847.7-1134.8-1098.8-1484.5-1824.2-486.3-884.2-1255.6-1508.0-883.3-857.3-668.2-1100.9-2275.4

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value425741113956380336273493346333573245312030152609
Percentage of RetainedEarningsAccumulatedDeficit-628.5-627.9-628.3-634.9-590.7-566.4-907.3-804.2-769.4-754.5-864.1-1200.6
Percentage of Assets5.25.24.94.74.64.54.44.54.44.34.44.1
Percentage of Assets us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment32.832.332.732.933.431.031.434.533.433.133.432.3

us-gaap:OperatingSegments, stwd:InfrastructureLendingSegment


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3124185.013-5.35-9.8466.8913.6240.915-0.458-2.573-6.392
Percentage of RetainedEarningsAccumulatedDeficit-4.6-3.8-2.9-0.80.91.6-1.8-0.9-0.20.10.72.1
Percentage of Assets0.00.00.00.0-0.0-0.00.00.00.0-0.0-0.0-0.0
Percentage of Assets us-gaap:OperatingSegments stwd:InfrastructureLendingSegment1.51.31.00.3-0.3-0.60.40.20.0-0.0-0.1-0.3

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1316128512601243122211631194109510179671382475968763955145639033527021822118011340-3.408-23.452-109.9-166.373-207.233
Percentage of RetainedEarningsAccumulatedDeficit-194.4-196.3-200.2-207.5-199.1-188.7-313.1-262.4-241.1-233.9-3.9-316.1-312.0-316.1-347.3-375.8-329.3-338.3-298.9-261.3-218.4-1799.43088.42748.21591.236.3-321.2221.2279.4244.6
Percentage of Assets1.61.61.61.51.51.51.51.51.41.30.01.41.21.11.00.90.60.50.40.30.20.30.20.10.0-0.0-0.0-0.1-0.1-0.2
Percentage of Assets us-gaap:OperatingSegments stwd:LNRBusinessSegments64.770.872.764.965.863.162.451.854.752.90.539.742.537.332.127.224.321.915.813.311.811.79.36.82.3-0.2-1.4-7.5-12.5-15.0

us-gaap:OperatingSegments, stwd:PropertySegment


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value-47.694-40.641-44.832-42.898-40.699-31.4515.431-38.936-43.051-31.787135.775-0.788-17.229-14.335-19.2492745435.45510-4.6698.1334.723.5542.176
Percentage of RetainedEarningsAccumulatedDeficit7.06.27.17.26.65.1-1.49.310.27.7-3.9-1.90.37.16.610.5-18.5-32.9-37.3-4.9-9.84.7-66.280.886.2-23.2
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.00.0-0.1-0.1-0.00.00.0-0.0-0.0-0.0-0.00.00.10.10.00.0-0.00.00.00.00.0
Percentage of Assets us-gaap:OperatingSegments stwd:PropertySegment-2.3-1.9-2.1-2.0-1.9-1.40.2-1.4-1.6-1.10.50.2-0.0-0.6-0.5-0.81.32.32.10.40.8-0.40.80.70.71.7

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:CumulativeEffectPeriodOfAdoption

srt:CumulativeEffectPeriodOfAdoptionAdjustment


Retained
Period End2021-01-01
Value-2.2
Percentage of RetainedEarningsAccumulatedDeficit0.0
Percentage of Assets0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment0.0

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements

srt:CumulativeEffectPeriodOfAdoptionAdjustment, stwd:AccountingStandardsUpdate202006


Retained
Period End2021-01-01
Value-2.2
Percentage of RetainedEarningsAccumulatedDeficit0.0
Percentage of Assets0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment stwd:AccountingStandardsUpdate2020060.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value4141434242355052575558676875696555403640323329394539556974807569607079621210-3.998-9.4655.4793.0868.203
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.00.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.00.00.00.00.00.00.10.10.10.10.10.11.51.81.60.40.3-0.1-0.40.20.10.4

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value414143424235505257555867687569655540364029
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.00.10.10.10.10.10.10.10.10.10.10.10.10.00.00.0
Percentage of Assets stwd:OperatingSegmentsAndCorporateNonSegment0.20.20.20.20.30.20.30.30.30.30.40.40.50.60.50.50.50.40.30.40.3

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value414144424235505253535357
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.1100.2100.1100.2100.1100.292.995.291.282.8
Percentage of Assets0.10.10.10.10.10.00.10.10.10.10.10.1
Percentage of Assets us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment0.30.30.40.40.40.30.50.50.50.60.60.7

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Accumulated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-0.064-0.065-0.064-0.064-0.064-0.064-0.065-0.0645.208-0.063-0.031-0.066-0.084-0.155-0.396-0.437-7.696-6.973-4.395-3.714-2.478-1.09-3.3140.1155.4979.257.6877.357
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax-0.1-0.2-0.1-0.2-0.1-0.1-0.1-0.18.9-0.1-0.0-0.1-0.1-0.3-1.0-1.2-19.1-21.4-13.1-12.5-6.3-2.4-8.40.27.912.39.69.8
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.00.00.00.0
Percentage of Assets us-gaap:OperatingSegments stwd:LNRBusinessSegments-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.2-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.4-0.3-0.2-0.2-0.1-0.1-0.20.00.30.60.60.5

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Accumulated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value-0.064-0.064-0.064-0.064-0.064-0.0934.0752.675.1457.1078.05216129.5844.247-6.758-8.765-5.514-6.845-0.112-7.513-1.32-4.232-12.505-4.1979.487
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax-0.1-0.2-0.1-0.2-0.1-0.27.14.88.810.511.821.517.214.77.6-16.9-24.3-13.7-21.0-0.3-25.3-3.3-9.2-31.8-7.512.6
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.00.00.00.00.00.00.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0
Percentage of Assets us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterest


Accumulated
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value414442423550525353536060595755514644453933374150526066
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.1100.2100.1100.2100.1100.292.995.291.289.588.278.482.885.392.3116.7124.3114.2122.2101.3125.5104.5109.7132.7107.788.2
Percentage of Assets0.10.10.10.10.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.00.00.00.10.1
Percentage of Assets us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value37437737337137236943625726529529626125424610042434137363936303025222214131144434134775.4895.5625.5975.6590.4540.4438.7939.669
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.50.50.50.50.60.30.40.40.40.40.40.40.20.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.81.80.10.20.20.20.00.00.40.5

us-gaap:MinorityInterest us-gaap:ConsolidationItems

stwd:OperatingSegmentsAndCorporateNonSegment


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value37337637237037036543025125527827923923122378202122242317
Percentage of MinorityInterest99.899.699.699.699.599.198.697.596.494.294.391.690.890.678.148.749.655.065.365.458.7
Percentage of Assets0.50.50.50.50.50.50.60.30.40.40.40.40.40.40.10.00.00.00.00.00.0
Percentage of Assets stwd:OperatingSegmentsAndCorporateNonSegment1.92.02.12.12.22.12.51.51.61.71.71.51.71.70.60.20.20.20.20.20.2

us-gaap:MaterialReconcilingItems


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0.6841.3571.4551.5961.8073.4386.0346.5199.599171621232322222118131212121214111010108.7428.248.188
Percentage of MinorityInterest0.20.40.40.40.50.91.42.53.65.85.78.49.29.421.951.350.445.034.734.632.733.341.348.245.147.245.968.765.371.618.4
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:MaterialReconcilingItems0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterest us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stwd:CommercialAndResidentialLendingSegment


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-03-312018-12-312017-12-31
Value0.1150.1180.1150.1180.1150.118101010
Percentage of MinorityInterest0.00.00.00.00.00.03.43.510.6
Percentage of Assets0.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:OperatingSegments stwd:CommercialAndResidentialLendingSegment0.00.00.00.00.00.00.10.10.1

us-gaap:OperatingSegments, stwd:LNRBusinessSegments


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value155150145144143138194171713254126.5567.734101011131215126.4024.0562.077
Percentage of MinorityInterest41.539.938.938.938.537.544.67.06.74.785.95.02.77.723.624.428.635.934.638.735.220.913.38.2
Percentage of Assets0.20.20.20.20.20.20.20.00.00.00.40.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:OperatingSegments stwd:LNRBusinessSegments7.68.38.47.67.77.510.20.81.00.88.90.60.40.40.50.50.60.80.60.80.70.30.20.1

us-gaap:OperatingSegments, stwd:PropertySegment


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2182252262252272272352332382542542172082056013
Percentage of MinorityInterest58.359.760.760.661.061.554.0