$STWD
STARWOOD PROPERTY TRUST, INC. Stock $stwd

$stwd Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000162828024006128 Filed on February 22, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023
Revenue	$523.1M	$559.8M	$2.050B
YoY Change	6.66%	1.49%	39.95%
Cost Of Revenue	$402.0M	$413.0M	$1.560B
YoY Change	7.24%	22.59%	66.99%
Gross Profit	$130.6M	$146.8M	$781.5M
YoY Change	1.58%	-31.61%	-39.25%
Gross Profit Margin	24.96%	26.23%	38.13%
Selling, General & Admin	$61.01M	$58.19M	$243.1M
YoY Change	13.45%	10.42%	2.0%
% of Gross Profit	46.73%	39.63%	31.1%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$11.05M	$13.43M	$54.30M
YoY Change	-11.01%	-4.31%	0.66%
% of Gross Profit	8.46%	9.14%	6.95%
Operating Expenses	$107.3M	$96.62M	$537.8M
YoY Change	-2.63%	4.99%	60.28%
Operating Profit	$23.23M	$50.20M	$243.8M
YoY Change	26.89%	-59.07%	-74.37%
Interest Expense	$356.0M	$155.9M	$1.436B
YoY Change	6.16%	308.55%	80.16%
% of Operating Profit	1532.44%	310.55%	589.15%
Other Income/Expense, Net	$147.3M	-$2.820M	$465.9M
YoY Change	220.93%	2.66%	-42.18%
Pretax Income	$161.1M	$103.0M	$417.5M
YoY Change	216.03%	-34.29%	-58.15%
Income Tax	$1.206M	$18.32M	-$682.0K
% Of Pretax Income	0.75%	17.79%	-0.16%
Net Earnings	$154.3M	$69.51M	$339.2M
YoY Change	196.94%	-49.84%	-61.08%
Net Earnings / Revenue	29.5%	12.42%	16.55%
Basic Earnings Per Share	$0.49		$1.07
Diluted Earnings Per Share	$0.48	$0.22	$1.07
COMMON SHARES
Basic Shares Outstanding	313.4M shares	313.2M shares
Diluted Shares Outstanding	330.8M shares		310.5M shares

Balance Sheet

Concept	2024 Q1	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments	$327.4M	$194.7M	$194.7M
YoY Change	-17.29%	-25.44%	-25.44%
Cash & Equivalents	$327.4M	$194.7M	$194.7M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$521.9M	$395.5M	$395.5M
YoY Change	-9.65%	-7.93%	-7.93%
LONG-TERM ASSETS
Property, Plant & Equipment	$3.054B	$3.059B	$3.059B
YoY Change	-4.76%	-4.73%	-4.73%
Goodwill	$259.8M	$259.8M
YoY Change	0.0%	0.0%
Intangibles	$63.27M	$64.97M
YoY Change	-5.28%	-5.53%
Long-Term Investments	$75.19M	$74.66M	$825.9M
YoY Change	7.29%	8.36%	-9.01%
Other Assets	$125.3M	$117.3M	$117.3M
YoY Change	-7.59%	-3.11%	-3.11%
Total Long-Term Assets	$65.65B	$69.11B	$69.11B
YoY Change	-14.5%	-12.09%	-12.09%
TOTAL ASSETS
Total Short-Term Assets	$521.9M	$395.5M	$395.5M
Total Long-Term Assets	$65.65B	$69.11B	$69.11B
Total Assets	$66.17B	$69.50B	$69.50B
YoY Change	-14.46%	-12.07%	-12.07%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$260.0M	$293.4M	$293.4M
YoY Change	-6.25%	-1.86%	-1.86%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$515.6M	$1.326B	$1.326B
YoY Change	-66.19%	-29.24%	-29.24%
Long-Term Debt Due	$801.7M
YoY Change
Total Short-Term Liabilities	$973.0M	$1.817B	$1.817B
YoY Change	-51.21%	-23.19%	-23.19%
LONG-TERM LIABILITIES
Long-Term Debt	$18.02B	$18.39B	$18.39B
YoY Change	-6.78%	-1.33%	-1.33%
Other Long-Term Liabilities	$40.14B	$42.28B	$42.28B
YoY Change	-17.94%	-16.85%	-16.85%
Total Long-Term Liabilities	$58.16B	$60.66B	$60.66B
YoY Change	-14.78%	-12.69%	-12.69%
TOTAL LIABILITIES
Total Short-Term Liabilities	$973.0M	$1.817B	$1.817B
Total Long-Term Liabilities	$58.16B	$60.66B	$60.66B
Total Liabilities	$59.13B	$62.48B	$63.25B
YoY Change	-15.81%	-13.03%	-12.85%
SHAREHOLDERS EQUITY
Retained Earnings	$507.6M	$505.9M
YoY Change	-24.31%	-34.24%
Common Stock	$5.889B	$5.868B
YoY Change	1.02%	0.99%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$6.273B	$6.251B	$6.251B
YoY Change
Total Liabilities & Shareholders Equity	$66.17B	$69.50B	$69.50B
YoY Change	-14.46%	-12.07%	-12.07%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	$154.3M	$69.51M	$339.2M
YoY Change	196.94%	-49.84%	-61.08%
Depreciation, Depletion And Amortization	$11.05M	$13.43M	$54.30M
YoY Change	-11.01%	-4.31%	0.66%
Cash From Operating Activities	$55.95M	$11.85M	$528.6M
YoY Change	-295.91%	-101.88%	147.31%
INVESTING ACTIVITIES
Capital Expenditures		$0.00	$0.00
YoY Change
Acquisitions
YoY Change
Other Investing Activities	$1.166B	-$88.08M	$855.1M
YoY Change	8854.91%	-6.2%	-128.98%
Cash From Investing Activities	$1.166B	-$88.08M	$855.1M
YoY Change	8854.91%	-6.2%	-128.98%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$2.997M
YoY Change			-105.82%
Debt Paid & Issued, Net	$2.165B		$7.474B
YoY Change	142.7%		-24.42%
Cash From Financing Activities	-$1.080B	-43.42M	-$1.455B
YoY Change	-757.43%	-106.73%	-151.99%
NET CHANGE
Cash From Operating Activities	$55.95M	11.85M	$528.6M
Cash From Investing Activities	$1.166B	-88.08M	$855.1M
Cash From Financing Activities	-$1.080B	-43.42M	-$1.455B
Net Change In Cash	$141.8M	-119.6M	-$70.89M
YoY Change	-4.66%	50.14%	-215.62%
FREE CASH FLOW
Cash From Operating Activities	$55.95M	$11.85M	$528.6M
Capital Expenditures		$0.00	$0.00
Free Cash Flow		$11.85M	$528.6M
YoY Change		-101.88%	147.31%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023	stwd	Acquisition And Investment Pursuit Costs AcquisitionAndInvestmentPursuitCosts	925000	usd
CY2022	stwd	Acquisition And Investment Pursuit Costs AcquisitionAndInvestmentPursuitCosts	3400000	usd
CY2022	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	44115000	usd
CY2021	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	111667000	usd
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	83001000	usd
CY2022	us-gaap	Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1	95691000	usd
CY2021	us-gaap	Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1	0	usd
CY2021	stwd	Loan Principal Collections Temporarily Held At Master Servicer LoanPrincipalCollectionsTemporarilyHeldAtMasterServicer	31681000	usd
CY2022	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	113710000	usd
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0001465128
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2020	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2023#AccountingStandardsUpdate202006Member
CY2020	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2023#AccountingStandardsUpdate202006Member
CY2022	us-gaap	Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Other Comprehensive Income Extensible List FairValueRecurringBasisUnobservableInputReconciliationAssetGainLossStatementOfOtherComprehensiveIncomeExtensibleList	http://fasb.org/us-gaap/2023#OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
CY2023	us-gaap	Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Other Comprehensive Income Extensible List FairValueRecurringBasisUnobservableInputReconciliationAssetGainLossStatementOfOtherComprehensiveIncomeExtensibleList	http://fasb.org/us-gaap/2023#OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
CY2023Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity File Number EntityFileNumber	001-34436
CY2023	dei	Entity Registrant Name EntityRegistrantName	Starwood Property Trust, Inc.
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	27-0247747
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	591 West Putnam Avenue
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	Greenwich
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	CT
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	06830
CY2023	dei	City Area Code CityAreaCode	203
CY2023	dei	Local Phone Number LocalPhoneNumber	422-7700
CY2023	dei	Security12b Title Security12bTitle	Common Stock, $0.01 par value per share
CY2023	dei	Trading Symbol TradingSymbol	STWD
CY2023	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	false
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	102467000	usd
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2023	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	false
CY2023	dei	Entity Shell Company EntityShellCompany	false
CY2023Q2	dei	Entity Public Float EntityPublicFloat	5700000000	usd
CY2024Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	313375899	shares
CY2023	dei	Auditor Firm AuditorFirmId	34
CY2023	dei	Auditor Name AuditorName	DELOITTE & TOUCHE LLP
CY2023	dei	Auditor Location AuditorLocation	Miami, Florida
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	194660000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	261061000	usd
CY2023Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	117312000	usd
CY2022Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	121072000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	309039000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	99413000	usd
CY2023Q4	us-gaap	Notes Receivable Net NotesReceivableNet	17574249000	usd
CY2022Q4	us-gaap	Notes Receivable Net NotesReceivableNet	18401439000	usd
CY2023Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	2645637000	usd
CY2022Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	2784594000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	13143000	usd
CY2022Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	3182000	usd
CY2023Q4	stwd	Marketable Securities Fair Value Disclosure MarketableSecuritiesFairValueDisclosure	129308000	usd
CY2022Q4	stwd	Marketable Securities Fair Value Disclosure MarketableSecuritiesFairValueDisclosure	142334000	usd
CY2023Q4	stwd	Investments Excluding Unconsolidated Entities InvestmentsExcludingUnconsolidatedEntities	735562000	usd
CY2022Q4	stwd	Investments Excluding Unconsolidated Entities InvestmentsExcludingUnconsolidatedEntities	815804000	usd
CY2023Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	1046384000	usd
CY2022Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	1449986000	usd
CY2023Q4	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	290937000	usd
CY2022Q4	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	0	usd
CY2023Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	90376000	usd
CY2022Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	91892000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	259846000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	259846000	usd
CY2023Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	19384000	usd
CY2022Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	17790000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	64967000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	68773000	usd
CY2023Q4	us-gaap	Derivative Assets DerivativeAssets	63437000	usd
CY2022Q4	us-gaap	Derivative Assets DerivativeAssets	108621000	usd
CY2023Q4	us-gaap	Interest Receivable InterestReceivable	200867000	usd
CY2022Q4	us-gaap	Interest Receivable InterestReceivable	168521000	usd
CY2023Q4	us-gaap	Other Assets OtherAssets	420773000	usd
CY2022Q4	us-gaap	Other Assets OtherAssets	297477000	usd
CY2023Q4	stwd	Variable Interest Entity Assets VariableInterestEntityAssets	43786356000	usd
CY2022Q4	stwd	Variable Interest Entity Assets VariableInterestEntityAssets	52453041000	usd
CY2023Q4	us-gaap	Assets Assets	69504196000	usd
CY2022Q4	us-gaap	Assets Assets	79043129000	usd
CY2023Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	152888000	usd
CY2022Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	151511000	usd
CY2022Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	91404000	usd
CY2023Q4	us-gaap	Secured Debt SecuredDebt	13867996000	usd
CY2022Q4	us-gaap	Secured Debt SecuredDebt	14501532000	usd
CY2023Q4	us-gaap	Collateralized Financings CollateralizedFinancings	3491292000	usd
CY2022Q4	us-gaap	Collateralized Financings CollateralizedFinancings	3676224000	usd
CY2023Q4	us-gaap	Unsecured Debt UnsecuredDebt	2158888000	usd
CY2022Q4	us-gaap	Unsecured Debt UnsecuredDebt	2329211000	usd
CY2023Q4	stwd	Debt Related To Properties Held For Sale DebtRelatedToPropertiesHeldForSale	193691000	usd
CY2022Q4	stwd	Debt Related To Properties Held For Sale DebtRelatedToPropertiesHeldForSale	0	usd
CY2023Q4	stwd	Variable Interest Entity Liabilities VariableInterestEntityLiabilities	42175734000	usd
CY2022Q4	stwd	Variable Interest Entity Liabilities VariableInterestEntityLiabilities	50754355000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	62481214000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	71844422000	usd
CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	414348000	usd
CY2022Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	362790000	usd
CY2023Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	100000000	shares
CY2023Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	100000000	shares
CY2023Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2023Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2023Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	320814765	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	313366074	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	318123861	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	310675170	shares
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	3208000	usd
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	3181000	usd
CY2023Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	5864670000	usd
CY2022Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	5807087000	usd
CY2022Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	7448691	shares
CY2023Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	7448691	shares
CY2023Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	138022000	usd
CY2022Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	138022000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	505881000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	769237000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	15352000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	20955000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	6251089000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	6462438000	usd
CY2023Q4	us-gaap	Minority Interest MinorityInterest	357545000	usd
CY2022Q4	us-gaap	Minority Interest MinorityInterest	373479000	usd
CY2023Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6608634000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6835917000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	69504196000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	79043129000	usd
CY2023	us-gaap	Interest And Fee Income Loans Commercial InterestAndFeeIncomeLoansCommercial	1804104000	usd
CY2022	us-gaap	Interest And Fee Income Loans Commercial InterestAndFeeIncomeLoansCommercial	1218521000	usd
CY2021	us-gaap	Interest And Fee Income Loans Commercial InterestAndFeeIncomeLoansCommercial	800291000	usd
CY2023	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	76524000	usd
CY2022	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	65058000	usd
CY2021	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	45168000	usd
CY2023	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	33121000	usd
CY2022	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	40359000	usd
CY2021	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	38739000	usd
CY2023	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	127666000	usd
CY2022	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	128263000	usd
CY2021	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	278831000	usd
CY2023	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	8493000	usd
CY2022	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	12515000	usd
CY2021	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	7059000	usd
CY2023	us-gaap	Revenues Revenues	2049908000	usd
CY2022	us-gaap	Revenues Revenues	1464716000	usd
CY2021	us-gaap	Revenues Revenues	1170088000	usd
CY2022	stwd	Management Fees ManagementFees	155551000	usd
CY2021	stwd	Management Fees ManagementFees	167773000	usd
CY2023	us-gaap	Interest Expense InterestExpense	1436107000	usd
CY2022	us-gaap	Interest Expense InterestExpense	797121000	usd
CY2021	us-gaap	Interest Expense InterestExpense	445087000	usd
CY2021	stwd	Acquisition And Investment Pursuit Costs AcquisitionAndInvestmentPursuitCosts	1184000	usd
CY2023	us-gaap	Costs And Expenses CostsAndExpenses	2098318000	usd
CY2023	us-gaap	Variable Interest Entity Activity Between Vie And Entity Income Or Loss Before Tax VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax	181688000	usd
CY2022	us-gaap	Variable Interest Entity Activity Between Vie And Entity Income Or Loss Before Tax VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax	124001000	usd
CY2023	stwd	Fair Value Of Service Rights Gain Loss FairValueOfServiceRightsGainLoss	1594000	usd
CY2022	stwd	Fair Value Of Service Rights Gain Loss FairValueOfServiceRightsGainLoss	1010000	usd
CY2021	stwd	Fair Value Of Service Rights Gain Loss FairValueOfServiceRightsGainLoss	3578000	usd
CY2023	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	767000	usd
CY2022	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-2204000	usd
CY2021	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-387000	usd
CY2023	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	62702000	usd
CY2022	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	-346222000	usd
CY2021	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	69050000	usd
CY2023	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	16722000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-6323000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	8752000	usd
CY2023	stwd	Gain Loss On Sale Of Investments Net GainLossOnSaleOfInvestmentsNet	25729000	usd
CY2022	stwd	Gain Loss On Sale Of Investments Net GainLossOnSaleOfInvestmentsNet	137611000	usd
CY2021	stwd	Gain Loss On Sale Of Investments Net GainLossOnSaleOfInvestmentsNet	38984000	usd
CY2023	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-38605000	usd
CY2022	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	334015000	usd
CY2021	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	82363000	usd
CY2023	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	60834000	usd
CY2022	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-96956000	usd
CY2021	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-36292000	usd
CY2023	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-1238000	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-1185000	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-7428000	usd
CY2023	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-135552000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-93710000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-7314000	usd
CY2023	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	465885000	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	805773000	usd
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	320064000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	417475000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	997538000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	501095000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-682000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-61523000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8669000	usd
CY2023	us-gaap	Profit Loss ProfitLoss	418157000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	1059061000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	492426000	usd
CY2023	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	78944000	usd
CY2022	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	187586000	usd
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	44687000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	339213000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	871475000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	447739000	usd
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.07
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.80
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.54
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.07
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.74
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.52
CY2023	us-gaap	Profit Loss ProfitLoss	418157000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-5603000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-19998000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-3104000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	0	usd
CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	0	usd
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	64000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-5603000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3040000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	412554000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	1039063000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	489386000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	78944000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	187586000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	44687000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	333610000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	851477000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	444699000	usd
CY2020Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	0	usd
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4862576000	usd
CY2021	us-gaap	Equity Fair Value Adjustment EquityFairValueAdjustment	1236476000	usd
CY2021	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	393120000	usd
CY2021	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	966000	usd
CY2021	stwd	Redemption Of Units RedemptionOfUnits	0	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	720000	usd
CY2021	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	39287000	usd
CY2021	us-gaap	Stock Issued During Period Value Issued For Services StockIssuedDuringPeriodValueIssuedForServices	17040000	usd
CY2021	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	748000	usd
CY2021	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	491678000	usd
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.92
CY2021	us-gaap	Dividends Common Stock DividendsCommonStock	563595000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3040000	usd
CY2021	us-gaap	Temporary Equity Interest In Subsidiary Earnings TemporaryEquityInterestInSubsidiaryEarnings	214167000	usd
CY2021	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	5590000	usd
CY2021	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	43950000	usd
CY2021Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	214915000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6433892000	usd
CY2022	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	49263000	usd
CY2022	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	1073000	usd
CY2022	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1181000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	1074000	usd
CY2022	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	40185000	usd
CY2022	us-gaap	Stock Issued During Period Value Issued For Services StockIssuedDuringPeriodValueIssuedForServices	43141000	usd
CY2022	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	153820000	usd
CY2022	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	905241000	usd
CY2022	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.92
CY2022	us-gaap	Dividends Common Stock DividendsCommonStock	595344000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-19998000	usd
CY2022	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	21925000	usd
CY2022	stwd	Temporary Equity Distributions TemporaryEquityDistributions	5945000	usd
CY2022	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	43568000	usd
CY2022Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	362790000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6835917000	usd
CY2023	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	1091000	usd
CY2023	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1906000	usd
CY2023	stwd	Redemption Of Units RedemptionOfUnits	0	usd
CY2023	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	39247000	usd
CY2023	us-gaap	Stock Issued During Period Value Issued For Services StockIssuedDuringPeriodValueIssuedForServices	15323000	usd
CY2023	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	58410000	usd
CY2023	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	359747000	usd
CY2023	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.92
CY2023	us-gaap	Dividends Common Stock DividendsCommonStock	602569000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-5603000	usd
CY2023	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	2724000	usd
CY2023	stwd	Temporary Equity Distributions TemporaryEquityDistributions	6852000	usd
CY2023	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	39149000	usd
CY2023Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	414348000	usd
CY2023Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6608634000	usd
CY2023	us-gaap	Profit Loss ProfitLoss	418157000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	1059061000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	492426000	usd
CY2023	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	50467000	usd
CY2022	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	47662000	usd
CY2021	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	43199000	usd
CY2023	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	9365000	usd
CY2022	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	8782000	usd
CY2021	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	7076000	usd
CY2023	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	8498000	usd
CY2022	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	12227000	usd
CY2021	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	13513000	usd
CY2023	stwd	Accretion Of Net Deferred Loan Fees And Discounts AccretionOfNetDeferredLoanFeesAndDiscounts	67112000	usd
CY2022	stwd	Accretion Of Net Deferred Loan Fees And Discounts AccretionOfNetDeferredLoanFeesAndDiscounts	62557000	usd
CY2021	stwd	Accretion Of Net Deferred Loan Fees And Discounts AccretionOfNetDeferredLoanFeesAndDiscounts	57948000	usd
CY2023	stwd	Share Based Compensation And Nonemployee Services Transaction Expense ShareBasedCompensationAndNonemployeeServicesTransactionExpense	39247000	usd
CY2022	stwd	Share Based Compensation And Nonemployee Services Transaction Expense ShareBasedCompensationAndNonemployeeServicesTransactionExpense	40185000	usd
CY2021	stwd	Share Based Compensation And Nonemployee Services Transaction Expense ShareBasedCompensationAndNonemployeeServicesTransactionExpense	39287000	usd
CY2023	stwd	Incentive Fee Compensation IncentiveFeeCompensation	15323000	usd
CY2022	stwd	Incentive Fee Compensation IncentiveFeeCompensation	43141000	usd
CY2021	stwd	Incentive Fee Compensation IncentiveFeeCompensation	17040000	usd
CY2023	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	767000	usd
CY2022	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-2204000	usd
CY2021	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-387000	usd
CY2023	stwd	Change In Fair Value Of Consolidated Variable Interest Entity ChangeInFairValueOfConsolidatedVariableInterestEntity	33158000	usd
CY2022	stwd	Change In Fair Value Of Consolidated Variable Interest Entity ChangeInFairValueOfConsolidatedVariableInterestEntity	-25159000	usd
CY2021	stwd	Change In Fair Value Of Consolidated Variable Interest Entity ChangeInFairValueOfConsolidatedVariableInterestEntity	20070000	usd
CY2023	stwd	Change In Fair Value Of Servicing Rights ChangeInFairValueOfServicingRights	1594000	usd
CY2022	stwd	Change In Fair Value Of Servicing Rights ChangeInFairValueOfServicingRights	1010000	usd
CY2021	stwd	Change In Fair Value Of Servicing Rights ChangeInFairValueOfServicingRights	3578000	usd
CY2023	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	62702000	usd
CY2022	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	-346222000	usd
CY2021	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	69050000	usd
CY2023	stwd	Change In Fair Value Of Affordable Housing Fund Investments ChangeInFairValueOfAffordableHousingFundInvestments	251831000	usd
CY2022	stwd	Change In Fair Value Of Affordable Housing Fund Investments ChangeInFairValueOfAffordableHousingFundInvestments	720693000	usd
CY2021	stwd	Change In Fair Value Of Affordable Housing Fund Investments ChangeInFairValueOfAffordableHousingFundInvestments	402000	usd
CY2023	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-128218000	usd
CY2022	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	329204000	usd
CY2021	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	90126000	usd
CY2023	stwd	Foreign Currency Transaction Gain Loss Before Tax Cash Flow Impact ForeignCurrencyTransactionGainLossBeforeTaxCashFlowImpact	60834000	usd
CY2022	stwd	Foreign Currency Transaction Gain Loss Before Tax Cash Flow Impact ForeignCurrencyTransactionGainLossBeforeTaxCashFlowImpact	-96956000	usd
CY2021	stwd	Foreign Currency Transaction Gain Loss Before Tax Cash Flow Impact ForeignCurrencyTransactionGainLossBeforeTaxCashFlowImpact	-36292000	usd
CY2023	stwd	Gain On Sale Of Investments Cash Flow GainOnSaleOfInvestmentsCashFlow	25729000	usd
CY2022	stwd	Gain On Sale Of Investments Cash Flow GainOnSaleOfInvestmentsCashFlow	137611000	usd
CY2021	stwd	Gain On Sale Of Investments Cash Flow GainOnSaleOfInvestmentsCashFlow	38984000	usd
CY2023	stwd	Lease Intangibles And Other Assets Impairment Charges LeaseIntangiblesAndOtherAssetsImpairmentCharges	124902000	usd
CY2022	stwd	Lease Intangibles And Other Assets Impairment Charges LeaseIntangiblesAndOtherAssetsImpairmentCharges	55000	usd
CY2021	stwd	Lease Intangibles And Other Assets Impairment Charges LeaseIntangiblesAndOtherAssetsImpairmentCharges	0	usd
CY2023	stwd	Provision For Loan Losses Net ProvisionForLoanLossesNet	243728000	usd
CY2022	stwd	Provision For Loan Losses Net ProvisionForLoanLossesNet	46657000	usd
CY2021	stwd	Provision For Loan Losses Net ProvisionForLoanLossesNet	8335000	usd
CY2023	stwd	Depreciation And Amortization Excluding Amortization Of Above Below Market Leases DepreciationAndAmortizationExcludingAmortizationOfAboveBelowMarketLeases	54296000	usd
CY2022	stwd	Depreciation And Amortization Excluding Amortization Of Above Below Market Leases DepreciationAndAmortizationExcludingAmortizationOfAboveBelowMarketLeases	53941000	usd
CY2021	stwd	Depreciation And Amortization Excluding Amortization Of Above Below Market Leases DepreciationAndAmortizationExcludingAmortizationOfAboveBelowMarketLeases	84591000	usd
CY2023	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	16722000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-6323000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	8752000	usd
CY2023	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	8847000	usd
CY2022	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	5354000	usd
CY2021	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	4708000	usd
CY2023	stwd	Gain Loss On Extinguishment Of Debt Including Non Cash Fees GainLossOnExtinguishmentOfDebtIncludingNonCashFees	-1238000	usd
CY2022	stwd	Gain Loss On Extinguishment Of Debt Including Non Cash Fees GainLossOnExtinguishmentOfDebtIncludingNonCashFees	-986000	usd
CY2021	stwd	Gain Loss On Extinguishment Of Debt Including Non Cash Fees GainLossOnExtinguishmentOfDebtIncludingNonCashFees	-7428000	usd
CY2023	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	571005000	usd
CY2022	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	4437448000	usd
CY2021	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	5172721000	usd
CY2023	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	770733000	usd
CY2022	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	4153003000	usd
CY2021	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	3831712000	usd
CY2023	us-gaap	Increase Decrease In Due To Related Parties IncreaseDecreaseInDueToRelatedParties	3630000	usd
CY2022	us-gaap	Increase Decrease In Due To Related Parties IncreaseDecreaseInDueToRelatedParties	-35185000	usd
CY2021	us-gaap	Increase Decrease In Due To Related Parties IncreaseDecreaseInDueToRelatedParties	37201000	usd
CY2023	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	155831000	usd
CY2022	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	201500000	usd
CY2021	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	136772000	usd
CY2023	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	65780000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-44118000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	28437000	usd
CY2023	us-gaap	Increase Decrease In Accounts Payable And Other Operating Liabilities IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities	-17991000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable And Other Operating Liabilities IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities	171367000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable And Other Operating Liabilities IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities	40696000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	528597000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	213741000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-989975000	usd
CY2023	us-gaap	Payments To Acquire Loans Held For Investment PaymentsToAcquireLoansHeldForInvestment	2717720000	usd
CY2022	us-gaap	Payments To Acquire Loans Held For Investment PaymentsToAcquireLoansHeldForInvestment	5544012000	usd
CY2021	us-gaap	Payments To Acquire Loans Held For Investment PaymentsToAcquireLoansHeldForInvestment	8637213000	usd
CY2023	us-gaap	Proceeds From Loan And Lease Originations And Principal Collections1 ProceedsFromLoanAndLeaseOriginationsAndPrincipalCollections1	3337402000	usd
CY2022	us-gaap	Proceeds From Loan And Lease Originations And Principal Collections1 ProceedsFromLoanAndLeaseOriginationsAndPrincipalCollections1	2096777000	usd
CY2021	us-gaap	Proceeds From Loan And Lease Originations And Principal Collections1 ProceedsFromLoanAndLeaseOriginationsAndPrincipalCollections1	4024958000	usd
CY2023	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	95271000	usd
CY2022	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	101683000	usd
CY2021	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	344221000	usd
CY2023	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	11578000	usd
CY2022	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	86512000	usd
CY2021	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	198358000	usd
CY2023	stwd	Proceeds From Sales And Redemptions Of Investment Securities ProceedsFromSalesAndRedemptionsOfInvestmentSecurities	3042000	usd
CY2022	stwd	Proceeds From Sales And Redemptions Of Investment Securities ProceedsFromSalesAndRedemptionsOfInvestmentSecurities	0	usd
CY2021	stwd	Proceeds From Sales And Redemptions Of Investment Securities ProceedsFromSalesAndRedemptionsOfInvestmentSecurities	0	usd
CY2023	stwd	Proceeds From Principal Collections On Investment Securities ProceedsFromPrincipalCollectionsOnInvestmentSecurities	90348000	usd
CY2022	stwd	Proceeds From Principal Collections On Investment Securities ProceedsFromPrincipalCollectionsOnInvestmentSecurities	115947000	usd
CY2021	stwd	Proceeds From Principal Collections On Investment Securities ProceedsFromPrincipalCollectionsOnInvestmentSecurities	87450000	usd
CY2023	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	73569000	usd
CY2022	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	203702000	usd
CY2021	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	98210000	usd
CY2023	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	25085000	usd
CY2022	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	25225000	usd
CY2021	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	26272000	usd
CY2023	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	2603000	usd
CY2022	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	461000	usd
CY2021	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	1312000	usd
CY2023	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	10977000	usd
CY2022	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	3375000	usd
CY2021	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	30448000	usd
CY2023	stwd	Proceeds From Initial Consolidation Of Entities ProceedsFromInitialConsolidationOfEntities	824000	usd
CY2022	stwd	Proceeds From Initial Consolidation Of Entities ProceedsFromInitialConsolidationOfEntities	617000	usd
CY2021	stwd	Proceeds From Initial Consolidation Of Entities ProceedsFromInitialConsolidationOfEntities	0	usd
CY2023	stwd	Cash Reclassification Of Affordable Housing Fund Investees CashReclassificationOfAffordableHousingFundInvestees	0	usd
CY2022	stwd	Cash Reclassification Of Affordable Housing Fund Investees CashReclassificationOfAffordableHousingFundInvestees	0	usd
CY2021	stwd	Cash Reclassification Of Affordable Housing Fund Investees CashReclassificationOfAffordableHousingFundInvestees	28094000	usd
CY2023	stwd	Payments For Purchase Or Termination Of Derivatives PaymentsForPurchaseOrTerminationOfDerivatives	42411000	usd
CY2022	stwd	Payments For Purchase Or Termination Of Derivatives PaymentsForPurchaseOrTerminationOfDerivatives	19077000	usd
CY2021	stwd	Payments For Purchase Or Termination Of Derivatives PaymentsForPurchaseOrTerminationOfDerivatives	33902000	usd
CY2023	us-gaap	Proceeds From Derivative Instrument Investing Activities ProceedsFromDerivativeInstrumentInvestingActivities	43038000	usd
CY2022	us-gaap	Proceeds From Derivative Instrument Investing Activities ProceedsFromDerivativeInstrumentInvestingActivities	202880000	usd
CY2021	us-gaap	Proceeds From Derivative Instrument Investing Activities ProceedsFromDerivativeInstrumentInvestingActivities	58210000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	855074000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2950306000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-4281654000	usd
CY2023	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	6559959000	usd
CY2022	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	13521148000	usd
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	17436866000	usd
CY2023	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	7473900000	usd
CY2022	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	9888088000	usd
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	11929179000	usd
CY2023	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	20990000	usd
CY2022	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	69820000	usd
CY2021	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	71858000	usd
CY2023	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	2997000	usd
CY2022	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	51517000	usd
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	394086000	usd
CY2023	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	usd
CY2022	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	1074000	usd
CY2021	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	720000	usd
CY2023	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	601192000	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	591457000	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	553930000	usd
CY2023	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	2724000	usd
CY2022	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	21925000	usd
CY2021	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	219757000	usd
CY2023	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	45368000	usd
CY2022	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	49452000	usd
CY2021	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	43950000	usd
CY2023	stwd	Proceeds From Issuance Of Debt Of Consolidated Variable Interest Entities ProceedsFromIssuanceOfDebtOfConsolidatedVariableInterestEntities	0	usd
CY2022	stwd	Proceeds From Issuance Of Debt Of Consolidated Variable Interest Entities ProceedsFromIssuanceOfDebtOfConsolidatedVariableInterestEntities	0	usd
CY2021	stwd	Proceeds From Issuance Of Debt Of Consolidated Variable Interest Entities ProceedsFromIssuanceOfDebtOfConsolidatedVariableInterestEntities	69398000	usd
CY2023	stwd	Repayments Of Debt Of Consolidated Variable Interest Entities RepaymentsOfDebtOfConsolidatedVariableInterestEntities	48435000	usd
CY2022	stwd	Repayments Of Debt Of Consolidated Variable Interest Entities RepaymentsOfDebtOfConsolidatedVariableInterestEntities	290232000	usd
CY2023	us-gaap	Proceeds From Contributions From Affiliates ProceedsFromContributionsFromAffiliates	169642000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	4873103000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	61314000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-398526000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	382133000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	321914000	usd
CY2023	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	731000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-1095000	usd
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-1722000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	311972000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	382133000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	321914000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	1351533000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	671186000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	386918000	usd
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1670000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-7862000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	7793000	usd
CY2023	stwd	Dividendspayablecurrentandnoncurrentdividendsdeclaredduringperiod Dividendspayablecurrentandnoncurrentdividendsdeclaredduringperiod	153705000	usd
CY2022	stwd	Dividendspayablecurrentandnoncurrentdividendsdeclaredduringperiod Dividendspayablecurrentandnoncurrentdividendsdeclaredduringperiod	152443000	usd
CY2021	stwd	Dividendspayablecurrentandnoncurrentdividendsdeclaredduringperiod Dividendspayablecurrentandnoncurrentdividendsdeclaredduringperiod	148527000	usd
CY2023	stwd	Variable Interest Entity Consolidation In Non Cash Investing And Financing Activities VariableInterestEntityConsolidationInNonCashInvestingAndFinancingActivities	722039000	usd
CY2022	stwd	Variable Interest Entity Consolidation In Non Cash Investing And Financing Activities VariableInterestEntityConsolidationInNonCashInvestingAndFinancingActivities	4361325000	usd
CY2021	stwd	Variable Interest Entity Consolidation In Non Cash Investing And Financing Activities VariableInterestEntityConsolidationInNonCashInvestingAndFinancingActivities	5332754000	usd
CY2023	stwd	Variable Interest Entity Deconsolidation In Non Cash Investing And Financing Activities VariableInterestEntityDeconsolidationInNonCashInvestingAndFinancingActivities	0	usd
CY2022	stwd	Variable Interest Entity Deconsolidation In Non Cash Investing And Financing Activities VariableInterestEntityDeconsolidationInNonCashInvestingAndFinancingActivities	730013000	usd
CY2021	stwd	Variable Interest Entity Deconsolidation In Non Cash Investing And Financing Activities VariableInterestEntityDeconsolidationInNonCashInvestingAndFinancingActivities	935855000	usd
CY2023	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	101963000	usd
CY2022	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	406705000	usd
CY2021	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	36308000	usd
CY2023	us-gaap	Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1	983000	usd
CY2023	stwd	Loan Principal Collections Temporarily Held At Master Servicer LoanPrincipalCollectionsTemporarilyHeldAtMasterServicer	124314000	usd
CY2022	stwd	Loan Principal Collections Temporarily Held At Master Servicer LoanPrincipalCollectionsTemporarilyHeldAtMasterServicer	429000	usd
CY2023	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	41392000	usd
CY2021	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	267557000	usd
CY2023	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	0	usd
CY2022	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	0	usd
CY2021	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	155548000	usd
CY2023	stwd	Liabilities From Real Estate Business Sale LiabilitiesFromRealEstateBusinessSale	0	usd
CY2022	stwd	Liabilities From Real Estate Business Sale LiabilitiesFromRealEstateBusinessSale	29821000	usd
CY2021	stwd	Liabilities From Real Estate Business Sale LiabilitiesFromRealEstateBusinessSale	1430000	usd
CY2023	stwd	Noncash Transaction Unsettled Derivatives NoncashTransactionUnsettledDerivatives	0	usd
CY2022	stwd	Noncash Transaction Unsettled Derivatives NoncashTransactionUnsettledDerivatives	2323000	usd
CY2021	stwd	Noncash Transaction Unsettled Derivatives NoncashTransactionUnsettledDerivatives	0	usd
CY2023	stwd	Transfer Of Loans From Variable Interest Entity Assets To Loans Held For Sale Upon Redemption Of Securities TransferOfLoansFromVariableInterestEntityAssetsToLoansHeldForSaleUponRedemptionOfSecurities	0	usd
CY2022	stwd	Transfer Of Loans From Variable Interest Entity Assets To Loans Held For Sale Upon Redemption Of Securities TransferOfLoansFromVariableInterestEntityAssetsToLoansHeldForSaleUponRedemptionOfSecurities	0	usd
CY2021	stwd	Transfer Of Loans From Variable Interest Entity Assets To Loans Held For Sale Upon Redemption Of Securities TransferOfLoansFromVariableInterestEntityAssetsToLoansHeldForSaleUponRedemptionOfSecurities	526679000	usd
CY2023	stwd	Redemption Of Units For Common Stock Value RedemptionOfUnitsForCommonStockValue	0	usd
CY2022	stwd	Redemption Of Units For Common Stock Value RedemptionOfUnitsForCommonStockValue	0	usd
CY2021	stwd	Redemption Of Units For Common Stock Value RedemptionOfUnitsForCommonStockValue	17738000	usd
CY2023	us-gaap	Nature Of Operations NatureOfOperations	Business and Organization<div style="margin-top:12pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Starwood Property Trust, Inc. (“STWD” and, together with its subsidiaries, “we” or the “Company”) is a Maryland corporation that commenced operations in August 2009, upon the completion of our initial public offering. We are focused primarily on originating, acquiring, financing and managing mortgage loans and other real estate investments in the United States (“U.S.”), Europe and Australia. As market conditions change over time, we may adjust our strategy to take advantage of changes in interest rates and credit spreads as well as economic and credit conditions.</span></div><div style="margin-top:12pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">We have four reportable business segments as of December 31, 2023 and we refer to the investments within these segments as our target assets:</span></div><div style="margin-top:12pt;padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">Real estate commercial and residential lending (the “Commercial and Residential Lending Segment”)—engages primarily in originating, acquiring, financing and managing commercial first mortgages, non-agency residential mortgages (“residential loans”), subordinated mortgages, mezzanine loans, preferred equity, commercial mortgage-backed securities (“CMBS”), residential mortgage-backed securities (“RMBS”) and other real estate and real estate-related debt investments in the U.S., Europe and Australia (including distressed or non-performing loans). Our residential loans are secured by a first mortgage lien on residential property and primarily consist of non-agency residential loans that are not guaranteed by any U.S. Government agency or federally chartered corporation.</span></div><div style="margin-top:12pt;padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">Infrastructure lending (the “Infrastructure Lending Segment”)—engages primarily in originating, acquiring, financing and managing infrastructure debt investments.</span></div><div style="margin-top:12pt;padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">Real estate property (the “Property Segment”)—engages primarily in acquiring and managing equity interests in stabilized commercial real estate properties, including multifamily properties and commercial properties subject to net leases, that are held for investment.</span></div><div style="margin-top:12pt;padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">Real estate investing and servicing (the “Investing and Servicing Segment”)—includes (i) a servicing business in the U.S. that manages and works out problem assets, (ii) an investment business that selectively acquires and manages unrated, investment grade and non-investment grade rated CMBS, including subordinated interests of securitization and resecuritization transactions, (iii) a mortgage loan business which originates conduit loans for the primary purpose of selling these loans into securitization transactions and (iv) an investment business that selectively acquires commercial real estate assets, including properties acquired from CMBS trusts.</span></div><div style="margin-top:12pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Our segments exclude the consolidation of securitization variable interest entities (“VIEs”).</span></div><div style="margin-top:12pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">We are organized and conduct our operations to qualify as a real estate investment trust (“REIT”) under the Internal Revenue Code of 1986, as amended (the “Code”). As such, we will generally not be subject to U.S. federal corporate income tax on that portion of our net income that is distributed to stockholders if we distribute at least 90% of our taxable income to our stockholders by prescribed dates and comply with various other requirements.</span></div><div style="margin-top:12pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">We are organized as a holding company and conduct our business primarily through our various wholly-owned subsidiaries. We are externally managed and advised by SPT Management, LLC (our “Manager”) pursuant to the terms of a management agreement. Our Manager is controlled by Barry Sternlicht, our Chairman and Chief Executive Officer. Our Manager is an affiliate of Starwood Capital Group Global, L.P., a privately-held private equity firm founded by Mr. Sternlicht.</span></div>
CY2023	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	segment
CY2023	stwd	Percentage Of Annual Reit Taxable Income Distributable To Stockholders Minimum PercentageOfAnnualREITTaxableIncomeDistributableToStockholdersMinimum	0.90
CY2023Q4	stwd	Reo Assets As Percent Of Consolidated Vie Assets ReoAssetsAsPercentOfConsolidatedVieAssets	0.02
CY2023Q4	stwd	Loans As Percent Of Consolidated Vie Assets LoansAsPercentOfConsolidatedVieAssets	0.98
CY2023Q4	stwd	Permitted Reinvestment Under Static Investment In Variable Interest Entity PermittedReinvestmentUnderStaticInvestmentInVariableInterestEntity	0	usd
CY2021Q4	stwd	Number Of Properties In Portfolio Investment NumberOfPropertiesInPortfolioInvestment	59	property
CY2021Q4	stwd	Number Of Units In Portfolio Investment NumberOfUnitsInPortfolioInvestment	15057	unit
CY2021	us-gaap	Equity Fair Value Adjustment EquityFairValueAdjustment	1200000000	usd
CY2023	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="margin-bottom:12pt;margin-top:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Concentration of Credit Risk</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Financial instruments that potentially subject us to concentrations of credit risk consist primarily of cash investments, CMBS, RMBS, loan investments and interest receivable. We may place cash investments in excess of insured amounts with high quality financial institutions. We perform an ongoing analysis of credit risk concentrations in our investment portfolio by evaluating exposure to various counterparties, markets, underlying property types, contract terms, tenant mix and other credit metrics.</span></div>
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span><span style="font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"></span></div><div style="margin-top:12pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with GAAP requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements, as well as the reported amounts of revenues and expenses during the reporting periods. The most significant and subjective estimate that we make is the projection of cash flows we expect to receive on our investments, which has a significant impact on the amount of income that we record and/or disclose. In addition, the fair value of assets and liabilities that are estimated using a discounted cash flows method is significantly impacted by the rates at which we estimate market participants would discount the expected cash flows. Amounts ultimately realized from our investments may vary significantly from the fair values presented.</span></div><div style="margin-top:12pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">We believe the estimates and assumptions underlying our consolidated financial statements are reasonable and supportable based on the information available as of December 31, 2023. Actual results may ultimately differ from those estimates.</span><span style="font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"></span></div>
CY2023Q4	stwd	Derivative Collateral Restricted Cash DerivativeCollateralRestrictedCash	80219000	usd
CY2022Q4	stwd	Derivative Collateral Restricted Cash DerivativeCollateralRestrictedCash	69607000	usd
CY2023Q4	us-gaap	Restricted Cash RestrictedCash	34450000	usd
CY2022Q4	us-gaap	Restricted Cash RestrictedCash	49727000	usd
CY2023Q4	stwd	Restricted Cash Funds Held In Escrow On Behalf Of Others RestrictedCashFundsHeldInEscrowOnBehalfOfOthers	1300000	usd
CY2022Q4	stwd	Restricted Cash Funds Held In Escrow On Behalf Of Others RestrictedCashFundsHeldInEscrowOnBehalfOfOthers	1255000	usd
CY2023Q4	stwd	Other Restricted Cash And Cash Equivalents OtherRestrictedCashAndCashEquivalents	1343000	usd
CY2022Q4	stwd	Other Restricted Cash And Cash Equivalents OtherRestrictedCashAndCashEquivalents	483000	usd
CY2023Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	117312000	usd
CY2022Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	121072000	usd
CY2023Q4	stwd	Mortgage Loans On Real Estate Gross Carrying Amount Of Mortgages MortgageLoansOnRealEstateGrossCarryingAmountOfMortgages	20528925000	usd
CY2023Q4	stwd	Mortgage Loans On Real Estate Principal Amount Of Mortgages MortgageLoansOnRealEstatePrincipalAmountOfMortgages	20934221000	usd
CY2023Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	20219886000	usd
CY2022Q4	stwd	Mortgage Loans On Real Estate Gross Carrying Amount Of Mortgages MortgageLoansOnRealEstateGrossCarryingAmountOfMortgages	21285446000	usd
CY2022Q4	stwd	Mortgage Loans On Real Estate Principal Amount Of Mortgages MortgageLoansOnRealEstatePrincipalAmountOfMortgages	21734785000	usd
CY2022Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	21186033000	usd
CY2023Q4	us-gaap	Loans Receivable With Variable Rates Of Interest1 LoansReceivableWithVariableRatesOfInterest1	17089364000	usd
CY2023Q4	us-gaap	Loans Receivable Basis Spread On Variable Rate LoansReceivableBasisSpreadOnVariableRate	0.040
CY2023Q4	stwd	Mortgage Loans On Real Estate Gross Carrying Amount Of Mortgages MortgageLoansOnRealEstateGrossCarryingAmountOfMortgages	20528925000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	309039000	usd
CY2023	stwd	Financing Receivable Modified Number Of Loans FinancingReceivableModifiedNumberOfLoans	3	loan
CY2023	stwd	Financing Receivable Modified Number Of Loans FinancingReceivableModifiedNumberOfLoans	3	loan
CY2022Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	21186033000	usd
CY2023	us-gaap	Mortgage Loans On Real Estate New Mortgage Loans MortgageLoansOnRealEstateNewMortgageLoans	3474242000	usd
CY2023	stwd	Mortgage Loans On Real Estate Capitalized Interest MortgageLoansOnRealEstateCapitalizedInterest	125747000	usd
CY2023	srt	Mortgage Loans On Real Estate Collections Of Principal MortgageLoansOnRealEstateCollectionsOfPrincipal	3647171000	usd
CY2023	stwd	Mortgage Loans On Real Estate Discount Accretion And Premium Amortization MortgageLoansOnRealEstateDiscountAccretionAndPremiumAmortization	67112000	usd
CY2023	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	62702000	usd
CY2023	stwd	Mortgage Loans On Real Estate Unrealized Foreign Currency Remeasurement Gain Loss MortgageLoansOnRealEstateUnrealizedForeignCurrencyRemeasurementGainLoss	-153472000	usd
CY2023	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	232712000	usd
CY2023	stwd	Mortgage Loans On Real Estate Loan Foreclosure And Converted To Equity Control Interest During Period MortgageLoansOnRealEstateLoanForeclosureAndConvertedToEquityControlInterestDuringPeriod	102774000	usd
CY2023	stwd	Mortgage Loans On Real Estate Transfers MortgageLoansOnRealEstateTransfers	-661000	usd
CY2023Q4	stwd	Available For Sale Securities Amortized Cost Before Other Than Temporary Impairment AvailableForSaleSecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	87016000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	87016000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	18092000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	2740000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Accumulated Gross Unrealized Gain Loss Before Tax DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax	15352000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	102368000	usd
CY2022Q4	stwd	Available For Sale Securities Amortized Cost Before Other Than Temporary Impairment AvailableForSaleSecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	92431000	usd
CY2023Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	20219886000	usd
CY2021Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	18413649000	usd
CY2022	us-gaap	Mortgage Loans On Real Estate New Mortgage Loans MortgageLoansOnRealEstateNewMortgageLoans	10178734000	usd
CY2022	stwd	Mortgage Loans On Real Estate Capitalized Interest MortgageLoansOnRealEstateCapitalizedInterest	124150000	usd
CY2022	us-gaap	Mortgage Loans On Real Estate Cost Of Mortgages Sold MortgageLoansOnRealEstateCostOfMortgagesSold	4253551000	usd
CY2022	srt	Mortgage Loans On Real Estate Collections Of Principal MortgageLoansOnRealEstateCollectionsOfPrincipal	2258630000	usd
CY2022	stwd	Mortgage Loans On Real Estate Discount Accretion And Premium Amortization MortgageLoansOnRealEstateDiscountAccretionAndPremiumAmortization	62557000	usd
CY2022	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	-346222000	usd
CY2022	stwd	Mortgage Loans On Real Estate Unrealized Foreign Currency Remeasurement Gain Loss MortgageLoansOnRealEstateUnrealizedForeignCurrencyRemeasurementGainLoss	306946000	usd
CY2022	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	49049000	usd
CY2022	stwd	Mortgage Loans On Real Estate Loan Foreclosure And Converted To Equity Control Interest During Period MortgageLoansOnRealEstateLoanForeclosureAndConvertedToEquityControlInterestDuringPeriod	290311000	usd
CY2022	stwd	Mortgage Loans On Real Estate Transfers MortgageLoansOnRealEstateTransfers	-88348000	usd
CY2022Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	21186033000	usd
CY2020Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	12139908000	usd
CY2021	us-gaap	Mortgage Loans On Real Estate New Mortgage Loans MortgageLoansOnRealEstateNewMortgageLoans	13990579000	usd
CY2021	stwd	Mortgage Loans On Real Estate Capitalized Interest MortgageLoansOnRealEstateCapitalizedInterest	119136000	usd
CY2021	us-gaap	Mortgage Loans On Real Estate Cost Of Mortgages Sold MortgageLoansOnRealEstateCostOfMortgagesSold	4176868000	usd
CY2021	srt	Mortgage Loans On Real Estate Collections Of Principal MortgageLoansOnRealEstateCollectionsOfPrincipal	4197809000	usd
CY2021	stwd	Mortgage Loans On Real Estate Discount Accretion And Premium Amortization MortgageLoansOnRealEstateDiscountAccretionAndPremiumAmortization	57948000	usd
CY2021	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	69050000	usd
CY2021	stwd	Mortgage Loans On Real Estate Unrealized Foreign Currency Remeasurement Gain Loss MortgageLoansOnRealEstateUnrealizedForeignCurrencyRemeasurementGainLoss	72130000	usd
CY2021	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	4633000	usd
CY2021	stwd	Mortgage Loans On Real Estate Loan Foreclosure And Converted To Equity Control Interest During Period MortgageLoansOnRealEstateLoanForeclosureAndConvertedToEquityControlInterestDuringPeriod	36308000	usd
CY2021	stwd	Mortgage Loans On Real Estate Transfers MortgageLoansOnRealEstateTransfers	524776000	usd
CY2021Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	18413649000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	13143000	usd
CY2022Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	3182000	usd
CY2023Q4	stwd	Investments Excluding Unconsolidated Entities InvestmentsExcludingUnconsolidatedEntities	735562000	usd
CY2022Q4	stwd	Investments Excluding Unconsolidated Entities InvestmentsExcludingUnconsolidatedEntities	815804000	usd
CY2023	stwd	Purchase Of Marketable Securities PurchaseOfMarketableSecurities	11578000	usd
CY2023	stwd	Sales And Redemption Of Marketable Securities SalesAndRedemptionOfMarketableSecurities	3042000	usd
CY2023	stwd	Proceeds From Principal Collections On Investment Securities ProceedsFromPrincipalCollectionsOnInvestmentSecurities	90348000	usd
CY2022	stwd	Purchase Of Marketable Securities PurchaseOfMarketableSecurities	86512000	usd
CY2022	stwd	Sales And Redemption Of Marketable Securities SalesAndRedemptionOfMarketableSecurities	0	usd
CY2022	stwd	Proceeds From Principal Collections On Investment Securities ProceedsFromPrincipalCollectionsOnInvestmentSecurities	115947000	usd
CY2021	stwd	Purchase Of Marketable Securities PurchaseOfMarketableSecurities	198358000	usd
CY2021	stwd	Sales And Redemption Of Marketable Securities SalesAndRedemptionOfMarketableSecurities	0	usd
CY2021	stwd	Proceeds From Principal Collections On Investment Securities ProceedsFromPrincipalCollectionsOnInvestmentSecurities	87450000	usd
CY2022	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	-5428000	usd
CY2022Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	3182000	usd
CY2023	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	9961000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	13143000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	92431000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	21765000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	810000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Accumulated Gross Unrealized Gain Loss Before Tax DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax	20955000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	113386000	usd
CY2023	stwd	Debt Securities Available For Sale Cost Of Third Party Management DebtSecuritiesAvailableForSaleCostOfThirdPartyManagement	500000	usd
CY2022	stwd	Debt Securities Available For Sale Cost Of Third Party Management DebtSecuritiesAvailableForSaleCostOfThirdPartyManagement	600000	usd
CY2021	stwd	Debt Securities Available For Sale Cost Of Third Party Management DebtSecuritiesAvailableForSaleCostOfThirdPartyManagement	900000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	10687000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	6361000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	1322000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1418000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	6961000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	1889000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	502000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	308000	usd
CY2023Q4	stwd	Number Of Securities With Unrealized Losses NumberOfSecuritiesWithUnrealizedLosses	14	security
CY2022Q4	stwd	Number Of Securities With Unrealized Losses NumberOfSecuritiesWithUnrealizedLosses	10	security
CY2023Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	619397000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	13143000	usd
CY2023Q4	stwd	Debt Securities Held To Maturity Net DebtSecuritiesHeldToMaturityNet	606254000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	75000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	25169000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	581160000	usd
CY2022Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	676652000	usd
CY2022Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	3182000	usd
CY2022Q4	stwd	Debt Securities Held To Maturity Net DebtSecuritiesHeldToMaturityNet	673470000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	202000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	36397000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	637275000	usd
CY2020Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	5675000	usd
CY2021	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	2935000	usd
CY2021Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	8610000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	96548000	usd
CY2023Q4	stwd	Held To Maturity Securities Debt Maturities After One Through Three Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughThreeYearsNetCarryingAmount	444175000	usd
CY2023Q4	stwd	Debt Securities Held To Maturity Amortized Cost Maturity Allocated And Single Maturity Date After Year Three Through Year Five DebtSecuritiesHeldToMaturityAmortizedCostMaturityAllocatedAndSingleMaturityDateAfterYearThreeThroughYearFive	56417000	usd
CY2023Q4	stwd	Held To Maturity Securities Debt Maturities After Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveYearsNetCarryingAmount	9114000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Amortized Cost Basis HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	606254000	usd
CY2023Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	1226710000	usd
CY2022Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	1659495000	usd
CY2023Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	180326000	usd
CY2022Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	209509000	usd
CY2023Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	1046384000	usd
CY2022Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	1449986000	usd
CY2023	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	124900000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	62333000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	56655000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	47778000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	42123000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears	38104000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter	127957000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	374950000	usd
CY2023	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	251831000	usd
CY2022	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	720693000	usd
CY2021Q4	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	402000	usd
CY2021Q3	stwd	Debt Instrument Face Amount Purchased By Third Party Investors DebtInstrumentFaceAmountPurchasedByThirdPartyInvestors	210100000	usd
CY2023Q4	us-gaap	Equity Method Investments EquityMethodInvestments	74659000	usd
CY2022Q4	us-gaap	Equity Method Investments EquityMethodInvestments	68901000	usd
CY2023Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	15717000	usd
CY2022Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	22991000	usd
CY2023Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	90376000	usd
CY2022Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	91892000	usd
CY2023Q4	stwd	Number Of Publicly Traded Investments NumberOfPubliclyTradedInvestments	0	investment
CY2023Q4	us-gaap	Equity Method Investment Difference Between Carrying Amount And Underlying Equity EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity	0	usd
CY2023Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	143470000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	78503000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	64967000	usd
CY2022Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	143061000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	74288000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	68773000	usd
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	63564000	usd
CY2022	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	13603000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	8796000	usd
CY2022	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	47000	usd
CY2022	stwd	Intangible Assets Sold IntangibleAssetsSold	561000	usd
CY2022	stwd	Indefinite Lived Intangible Assets Adjustments For Change In Inputs And Assumptions IndefiniteLivedIntangibleAssetsAdjustmentsForChangeInInputsAndAssumptions	1010000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	68773000	usd
CY2023	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	4341000	usd
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	8734000	usd
CY2023	stwd	Intangible Assets Sold IntangibleAssetsSold	1007000	usd
CY2023	stwd	Indefinite Lived Intangible Assets Adjustments For Change In Inputs And Assumptions IndefiniteLivedIntangibleAssetsAdjustmentsForChangeInInputsAndAssumptions	1594000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	64967000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	7195000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	6099000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	4573000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	4089000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	3943000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	19684000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	45583000	usd
CY2023Q4	us-gaap	Share Price SharePrice	21.02
CY2023Q4	us-gaap	Share Price SharePrice	21.02
CY2023Q4	us-gaap	Derivative Number Of Instruments Held DerivativeNumberOfInstrumentsHeld	710	contract
CY2023Q4	us-gaap	Derivative Assets DerivativeAssets	63437000	usd
CY2022Q4	us-gaap	Derivative Assets DerivativeAssets	108621000	usd
CY2023Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	102467000	usd
CY2022Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	91404000	usd
CY2023	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-38605000	usd
CY2022	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	334015000	usd
CY2021	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	82363000	usd
CY2023Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	63437000	usd
CY2023Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	0	usd
CY2023Q4	us-gaap	Derivative Assets DerivativeAssets	63437000	usd
CY2023Q4	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	41341000	usd
CY2023Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	usd
CY2023Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	22096000	usd
CY2023Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	102467000	usd
CY2023Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	0	usd
CY2023Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	102467000	usd
CY2023Q4	us-gaap	Derivative Collateral Right To Reclaim Securities DerivativeCollateralRightToReclaimSecurities	41340000	usd
CY2023Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	61127000	usd
CY2023Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	0	usd
CY2023Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	10652359000	usd
CY2023Q4	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	0	usd
CY2023Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	10652359000	usd
CY2023Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities	10652359000	usd
CY2023Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Cash SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash	0	usd
CY2023Q4	us-gaap	Securities Sold Under Agreements To Repurchase Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral	0	usd
CY2023Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Gross DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross	10754826000	usd
CY2023Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Asset DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAsset	0	usd
CY2023Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned	10754826000	usd
CY2023Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Securities DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities	10693699000	usd
CY2023Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Cash DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimCash	61127000	usd
CY2023Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Amount Offset Against Collateral DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral	0	usd
CY2022Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	108621000	usd
CY2022Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	0	usd
CY2022Q4	us-gaap	Derivative Assets DerivativeAssets	108621000	usd
CY2022Q4	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	69221000	usd
CY2022Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	usd
CY2022Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	39400000	usd
CY2022Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	91404000	usd
CY2022Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	0	usd
CY2022Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	91404000	usd
CY2022Q4	us-gaap	Derivative Collateral Right To Reclaim Securities DerivativeCollateralRightToReclaimSecurities	69221000	usd
CY2022Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	22183000	usd
CY2022Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	0	usd
CY2022Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	10799120000	usd
CY2022Q4	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	0	usd
CY2022Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	10799120000	usd
CY2022Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities	10799120000	usd
CY2022Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Cash SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash	0	usd
CY2022Q4	us-gaap	Securities Sold Under Agreements To Repurchase Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral	0	usd
CY2022Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Gross DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross	10890524000	usd
CY2022Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Asset DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAsset	0	usd
CY2022Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned	10890524000	usd
CY2022Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Securities DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities	10868341000	usd
CY2022Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Cash DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimCash	22183000	usd
CY2022Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Amount Offset Against Collateral DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral	0	usd
CY2023	stwd	Number Of Collateralized Loan Obligations NumberOfCollateralizedLoanObligations	5	collateralized_loan_obligation
CY2023	stwd	Number Of Single Asset Single Borrower Loans NumberOfSingleAssetSingleBorrowerLoans	1	loan
CY2023	stwd	Related Party Number Of Trading Days Price Considered For Payment Of Incentive Fee In Shares RelatedPartyNumberOfTradingDaysPriceConsideredForPaymentOfIncentiveFeeInShares	5	d
CY2023Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	100000000	shares
CY2023Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2014Q2	stwd	Common Stock Shares Authorized Under Dividend Reinvestment Plan CommonStockSharesAuthorizedUnderDividendReinvestmentPlan	11000000	shares
CY2023Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2023Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2023Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2023Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2022Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2022Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2022Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2022Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2021Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	52949000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	65089000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	74421000	usd
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	4338847	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	20.65
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	914694	shares
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	18.93
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	1637743	shares
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	18.56
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	169070	shares
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	22.76
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	3446728	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	21.08
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	18.93
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	21.95
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	22.14
CY2023Q4	stwd	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Future Vesting In First Full Fiscal Year ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFutureVestingInFirstFullFiscalYear	2174540	shares
CY2023Q4	stwd	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Future Vesting In Second Full Fiscal Year ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFutureVestingInSecondFullFiscalYear	958200	shares
CY2023Q4	stwd	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Future Vesting In Third Full Fiscal Year ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFutureVestingInThirdFullFiscalYear	313988	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	3446728	shares
CY2023Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions	37400000	usd
CY2023	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y8M12D
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	30300000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	30000000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	32400000	usd
CY2023	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	58400000	usd
CY2022	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	153800000	usd
CY2021Q4	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	700000	usd
CY2023	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	339213000	usd
CY2022	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	871475000	usd
CY2021	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	447739000	usd
CY2023	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	6412000	usd
CY2022	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	17113000	usd
CY2021	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	6808000	usd
CY2023	stwd	Income Loss From Continuing Operations Basic IncomeLossFromContinuingOperationsBasic	332801000	usd
CY2022	stwd	Income Loss From Continuing Operations Basic IncomeLossFromContinuingOperationsBasic	854362000	usd
CY2021	stwd	Income Loss From Continuing Operations Basic IncomeLossFromContinuingOperationsBasic	440931000	usd
CY2023	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	339213000	usd
CY2022	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	871475000	usd
CY2021	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	447739000	usd
CY2023	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	6412000	usd
CY2022	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	17113000	usd
CY2021	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	6808000	usd
CY2023	us-gaap	Dilutive Securities DilutiveSecurities	0	usd
CY2022	us-gaap	Dilutive Securities DilutiveSecurities	11229000	usd
CY2021	us-gaap	Dilutive Securities DilutiveSecurities	0	usd
CY2023	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	0	usd
CY2022	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	-10880000	usd
CY2021	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	0	usd
CY2023	stwd	Income Loss From Continuing Operations Diluted IncomeLossFromContinuingOperationsDiluted	332801000	usd
CY2022	stwd	Income Loss From Continuing Operations Diluted IncomeLossFromContinuingOperationsDiluted	866343000	usd
CY2021	stwd	Income Loss From Continuing Operations Diluted IncomeLossFromContinuingOperationsDiluted	452550000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	309771000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	305524000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	285942000	shares
CY2023	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	450000	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	386000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	1037000	shares
CY2023	stwd	Incremental Common Shares Attributable To Non Participating Nonvested Shares IncrementalCommonSharesAttributableToNonParticipatingNonvestedShares	286000	shares
CY2022	stwd	Incremental Common Shares Attributable To Non Participating Nonvested Shares IncrementalCommonSharesAttributableToNonParticipatingNonvestedShares	169000	shares
CY2021	stwd	Incremental Common Shares Attributable To Non Participating Nonvested Shares IncrementalCommonSharesAttributableToNonParticipatingNonvestedShares	198000	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	310507000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	315728000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	296826000	shares
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.07
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.80
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.54
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.07
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.74
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.52
CY2021	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-3101000	usd
CY2021	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-61000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-3040000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-19998000	usd
CY2022	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	0	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-19998000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-5648000	usd
CY2023	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-45000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-5603000	usd
CY2022	stwd	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Change In Fair Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInChangeInFairValue	-10144645000	usd
CY2022	stwd	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Accretion Amortization Of Discounts And Premiums FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAccretionAmortizationOfDiscountsAndPremiums	8491000	usd
CY2022	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	-19998000	usd
CY2022	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	4634722000	usd
CY2022	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	3678671000	usd
CY2022	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	240677000	usd
CY2022	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	1592639000	usd
CY2022	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	194034000	usd
CY2022	stwd	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Consolidations Of Variable Interest Entity FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetConsolidationsOfVariableInterestEntity	2551224000	usd
CY2022	stwd	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Deconsolidations Of Variable Interest Entity FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetDeconsolidationsOfVariableInterestEntity	-728523000	usd
CY2022Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	51642978000	usd
CY2023	stwd	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Change In Fair Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInChangeInFairValue	-7988828000	usd
CY2023	stwd	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Accretion Amortization Of Discounts And Premiums FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAccretionAmortizationOfDiscountsAndPremiums	4661000	usd
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	-5603000	usd
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	756522000	usd
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	711558000	usd
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	807911000	usd
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	2241323000	usd
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	1609405000	usd
CY2023	stwd	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Consolidations Of Variable Interest Entity FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetConsolidationsOfVariableInterestEntity	722039000	usd
CY2023Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	42980382000	usd
CY2023	stwd	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings Attributable To Assets Still Held At End Of Period FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsAttributableToAssetsStillHeldAtEndOfPeriod	-8059346000	usd
CY2023	stwd	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss Attributable To Assets Still Held At End Of Period FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLossAttributableToAssetsStillHeldAtEndOfPeriod	-5638000	usd
CY2022	stwd	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings Attributable To Assets Still Held At End Of Period FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsAttributableToAssetsStillHeldAtEndOfPeriod	-10158108000	usd
CY2022	stwd	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss Attributable To Assets Still Held At End Of Period FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLossAttributableToAssetsStillHeldAtEndOfPeriod	-19592000	usd
CY2023	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	554000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1446000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	142000	usd
CY2023	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-31000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	705000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-80000	usd
CY2023	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	0	usd
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	0	usd
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	-392000	usd
CY2023	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	523000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2151000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-330000	usd
CY2023	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	98000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-47128000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	6893000	usd
CY2023	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1303000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-16546000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	2106000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1205000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-63674000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	8999000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-682000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-61523000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8669000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	3636000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	3314000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	22890000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	15946000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Investment In Noncontrolled Affiliates DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates	984000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	782000	usd
CY2023Q4	stwd	Deferred Tax Assets Net Operating Loss And Interest Expense Carryforwards DeferredTaxAssetsNetOperatingLossAndInterestExpenseCarryforwards	78979000	usd
CY2022Q4	stwd	Deferred Tax Assets Net Operating Loss And Interest Expense Carryforwards DeferredTaxAssetsNetOperatingLossAndInterestExpenseCarryforwards	69294000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	47000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	140000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	58788000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	57584000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	0	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	0	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	0	usd
CY2023	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	87670000	usd
CY2023	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	209483000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	105230000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2023	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	88281000	usd
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.212
CY2022	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	256105000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.257
CY2021	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	92121000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.184
CY2023	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-201000	usd
CY2023	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0
CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-15319000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.015
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	4307000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.009
CY2023	stwd	Income Tax Reconciliation Federal Benefit Of State Tax Deduction IncomeTaxReconciliationFederalBenefitOfStateTaxDeduction	42000	usd
CY2023	stwd	Effective Income Tax Rate Reconciliation Deduction Federal Benefit Of State Tax Percent EffectiveIncomeTaxRateReconciliationDeductionFederalBenefitOfStateTaxPercent	0
CY2022	stwd	Income Tax Reconciliation Federal Benefit Of State Tax Deduction IncomeTaxReconciliationFederalBenefitOfStateTaxDeduction	3217000	usd
CY2022	stwd	Effective Income Tax Rate Reconciliation Deduction Federal Benefit Of State Tax Percent EffectiveIncomeTaxRateReconciliationDeductionFederalBenefitOfStateTaxPercent	0.003
CY2021	stwd	Income Tax Reconciliation Federal Benefit Of State Tax Deduction IncomeTaxReconciliationFederalBenefitOfStateTaxDeduction	-905000	usd
CY2021	stwd	Effective Income Tax Rate Reconciliation Deduction Federal Benefit Of State Tax Percent EffectiveIncomeTaxRateReconciliationDeductionFederalBenefitOfStateTaxPercent	-0.002
CY2023	stwd	Income Tax Reconciliation Intra Entity Transfer IncomeTaxReconciliationIntraEntityTransfer	0	usd
CY2023	stwd	Effective Income Tax Rate Reconciliation Intra Entity Transfer EffectiveIncomeTaxRateReconciliationIntraEntityTransfer	0
CY2022	stwd	Income Tax Reconciliation Intra Entity Transfer IncomeTaxReconciliationIntraEntityTransfer	4327000	usd
CY2022	stwd	Effective Income Tax Rate Reconciliation Intra Entity Transfer EffectiveIncomeTaxRateReconciliationIntraEntityTransfer	0.004
CY2021	stwd	Income Tax Reconciliation Intra Entity Transfer IncomeTaxReconciliationIntraEntityTransfer	6635000	usd
CY2021	stwd	Effective Income Tax Rate Reconciliation Intra Entity Transfer EffectiveIncomeTaxRateReconciliationIntraEntityTransfer	0.013
CY2023	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	88000	usd
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1528000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-1207000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.003
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-682000	usd
CY2023	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.002
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-61523000	usd
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.062
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8669000	usd
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.017
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	0	usd
CY2023	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	0	usd
CY2022	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	0	usd
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	6864000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	4646000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	4100000	usd
CY2023	us-gaap	Short Term Lease Cost ShortTermLeaseCost	75000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	44000	usd
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	2227000	usd
CY2023	us-gaap	Sublease Income SubleaseIncome	0	usd
CY2022	us-gaap	Sublease Income SubleaseIncome	0	usd
CY2021	us-gaap	Sublease Income SubleaseIncome	766000	usd
CY2023	us-gaap	Lease Cost LeaseCost	6940000	usd
CY2022	us-gaap	Lease Cost LeaseCost	4690000	usd
CY2021	us-gaap	Lease Cost LeaseCost	5560000	usd
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	5025000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	2129000	usd
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P12Y
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P13Y
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.088
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.087
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	5145000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	5320000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	5275000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	4829000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	4868000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	41543000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	66980000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	29325000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	37655000	usd
CY2023	us-gaap	Interest And Fee Income Loans Commercial InterestAndFeeIncomeLoansCommercial	1804104000	usd
CY2023	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	76524000	usd
CY2023	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	33121000	usd
CY2023	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	127666000	usd
CY2023	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	8493000	usd
CY2023	us-gaap	Revenues Revenues	2049908000	usd
CY2023	stwd	Management Fees ManagementFees	141543000	usd
CY2023	us-gaap	Interest Expense InterestExpense	1436107000	usd
CY2023	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	180212000	usd
CY2023	stwd	Acquisition And Investment Pursuit Costs AcquisitionAndInvestmentPursuitCosts	925000	usd
CY2023	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	44842000	usd
CY2023	us-gaap	Depreciation And Amortization DepreciationAndAmortization	49141000	usd
CY2023	stwd	Provision For Loan Losses Net ProvisionForLoanLossesNet	243728000	usd
CY2023	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-1820000	usd
CY2023	us-gaap	Costs And Expenses CostsAndExpenses	2098318000	usd
CY2023	us-gaap	Variable Interest Entity Activity Between Vie And Entity Income Or Loss Before Tax VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax	181688000	usd
CY2023	stwd	Fair Value Of Service Rights Gain Loss FairValueOfServiceRightsGainLoss	1594000	usd
CY2023	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	767000	usd
CY2023	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	62702000	usd
CY2023	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	16722000	usd
CY2023	stwd	Gain Loss On Sale Of Investments Net GainLossOnSaleOfInvestmentsNet	25729000	usd
CY2023	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-38605000	usd
CY2023	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	60834000	usd
CY2023	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-1238000	usd
CY2023	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-135552000	usd
CY2023	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	465885000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	417475000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-682000	usd
CY2023	us-gaap	Profit Loss ProfitLoss	418157000	usd
CY2023	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	78944000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	339213000	usd
CY2022	us-gaap	Interest And Fee Income Loans Commercial InterestAndFeeIncomeLoansCommercial	1218521000	usd
CY2022	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	65058000	usd
CY2022	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	40359000	usd
CY2022	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	128263000	usd
CY2022	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	12515000	usd
CY2022	us-gaap	Revenues Revenues	1464716000	usd
CY2022	stwd	Management Fees ManagementFees	155551000	usd
CY2022	us-gaap	Interest Expense InterestExpense	797121000	usd
CY2022	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	175500000	usd
CY2022	stwd	Acquisition And Investment Pursuit Costs AcquisitionAndInvestmentPursuitCosts	3400000	usd
CY2022	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	44115000	usd
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	49293000	usd
CY2022	stwd	Provision For Loan Losses Net ProvisionForLoanLossesNet	46657000	usd
CY2022	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-1314000	usd
CY2022	us-gaap	Costs And Expenses CostsAndExpenses	1272951000	usd
CY2022	us-gaap	Variable Interest Entity Activity Between Vie And Entity Income Or Loss Before Tax VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax	124001000	usd
CY2022	stwd	Fair Value Of Service Rights Gain Loss FairValueOfServiceRightsGainLoss	1010000	usd
CY2022	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-2204000	usd
CY2022	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	-346222000	usd
CY2022	us-gaap	Investment Income Net InvestmentIncomeNet	755736000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-6323000	usd
CY2022	stwd	Gain Loss On Sale Of Investments Net GainLossOnSaleOfInvestmentsNet	137611000	usd
CY2022	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	334015000	usd
CY2022	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-96956000	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-1185000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-93710000	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	805773000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	997538000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-61523000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	1059061000	usd
CY2022	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	187586000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	871475000	usd
CY2021	us-gaap	Interest And Fee Income Loans Commercial InterestAndFeeIncomeLoansCommercial	800291000	usd
CY2021	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	45168000	usd
CY2021	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	38739000	usd
CY2021	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	278831000	usd
CY2021	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	7059000	usd
CY2021	us-gaap	Revenues Revenues	1170088000	usd
CY2021	stwd	Management Fees ManagementFees	167773000	usd
CY2021	us-gaap	Interest Expense InterestExpense	445087000	usd
CY2021	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	171302000	usd
CY2021	stwd	Acquisition And Investment Pursuit Costs AcquisitionAndInvestmentPursuitCosts	1184000	usd
CY2021	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	111667000	usd
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	83001000	usd
CY2021	stwd	Provision For Loan Losses Net ProvisionForLoanLossesNet	8335000	usd
CY2021	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-708000	usd
CY2021	us-gaap	Costs And Expenses CostsAndExpenses	989057000	usd
CY2021	us-gaap	Variable Interest Entity Activity Between Vie And Entity Income Or Loss Before Tax VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax	162333000	usd
CY2021	stwd	Fair Value Of Service Rights Gain Loss FairValueOfServiceRightsGainLoss	3578000	usd
CY2021	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-387000	usd
CY2021	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	69050000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	8752000	usd
CY2021	stwd	Gain Loss On Sale Of Investments Net GainLossOnSaleOfInvestmentsNet	38984000	usd
CY2021	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	82363000	usd
CY2021	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-36292000	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-7428000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-7314000	usd
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	320064000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	501095000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8669000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	492426000	usd
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	44687000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	447739000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	194660000	usd
CY2023Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	117312000	usd
CY2023Q4	us-gaap	Notes Receivable Net NotesReceivableNet	17574249000	usd
CY2023Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	2645637000	usd
CY2023Q4	stwd	Investments Excluding Unconsolidated Entities InvestmentsExcludingUnconsolidatedEntities	735562000	usd
CY2023Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	1046384000	usd
CY2023Q4	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	290937000	usd
CY2023Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	90376000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	259846000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	64967000	usd
CY2023Q4	us-gaap	Derivative Assets DerivativeAssets	63437000	usd
CY2023Q4	us-gaap	Interest Receivable InterestReceivable	200867000	usd
CY2023Q4	us-gaap	Other Assets OtherAssets	420773000	usd
CY2023Q4	stwd	Variable Interest Entity Assets VariableInterestEntityAssets	43786356000	usd
CY2023Q4	us-gaap	Assets Assets	69504196000	usd
CY2023Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	152888000	usd
CY2023Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	102467000	usd
CY2023Q4	us-gaap	Secured Debt SecuredDebt	13867996000	usd
CY2023Q4	us-gaap	Collateralized Financings CollateralizedFinancings	3491292000	usd
CY2023Q4	us-gaap	Unsecured Debt UnsecuredDebt	2158888000	usd
CY2023Q4	stwd	Debt Related To Properties Held For Sale DebtRelatedToPropertiesHeldForSale	193691000	usd
CY2023Q4	stwd	Variable Interest Entity Liabilities VariableInterestEntityLiabilities	42175734000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	62481214000	usd
CY2023Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	414348000	usd
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	3208000	usd
CY2023Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	5864670000	usd
CY2023Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	138022000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	505881000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	15352000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	6251089000	usd
CY2023Q4	us-gaap	Minority Interest MinorityInterest	357545000	usd
CY2023Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6608634000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	69504196000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	261061000	usd
CY2022Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	121072000	usd
CY2022Q4	us-gaap	Notes Receivable Net NotesReceivableNet	18401439000	usd
CY2022Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	2784594000	usd
CY2022Q4	stwd	Investments Excluding Unconsolidated Entities InvestmentsExcludingUnconsolidatedEntities	815804000	usd
CY2022Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	1449986000	usd
CY2022Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	1761002000	usd
CY2022Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	91892000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	259846000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	68773000	usd
CY2022Q4	us-gaap	Derivative Assets DerivativeAssets	108621000	usd
CY2022Q4	us-gaap	Interest Receivable InterestReceivable	168521000	usd
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CY2022Q4	stwd	Variable Interest Entity Assets VariableInterestEntityAssets	52453041000	usd
CY2022Q4	us-gaap	Assets Assets	79043129000	usd
CY2022Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	151511000	usd
CY2022Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	91404000	usd
CY2022Q4	us-gaap	Secured Debt SecuredDebt	14501532000	usd
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CY2022Q4	stwd	Variable Interest Entity Liabilities VariableInterestEntityLiabilities	50754355000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	71844422000	usd
CY2022Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	362790000	usd
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	3181000	usd
CY2022Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	5807087000	usd
CY2022Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	138022000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	769237000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	20955000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	6462438000	usd
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CY2023Q4	us-gaap	Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Improvements RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements	57678000	usd
CY2023Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Land RealEstateAndAccumulatedDepreciationCarryingAmountOfLand	235210000	usd
CY2023Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements	1335291000	usd
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CY2023Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	233180000	usd
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CY2022Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1659495000	usd
CY2021Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1347844000	usd
CY2020Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	2573296000	usd
CY2023	us-gaap	Real Estate Acquisitions Through Foreclosures RealEstateAcquisitionsThroughForeclosures	97585000	usd
CY2022	us-gaap	Real Estate Acquisitions Through Foreclosures RealEstateAcquisitionsThroughForeclosures	357360000	usd
CY2021	us-gaap	Real Estate Acquisitions Through Foreclosures RealEstateAcquisitionsThroughForeclosures	28843000	usd
CY2023	us-gaap	Real Estate Improvements RealEstateImprovements	22669000	usd
CY2022	us-gaap	Real Estate Improvements RealEstateImprovements	20931000	usd
CY2021	us-gaap	Real Estate Improvements RealEstateImprovements	24390000	usd
CY2023	stwd	Sec Schedule1228 Real Estate Companies Investment In Real Estate Additions SECSchedule1228RealEstateCompaniesInvestmentInRealEstateAdditions	120254000	usd
CY2022	stwd	Sec Schedule1228 Real Estate Companies Investment In Real Estate Additions SECSchedule1228RealEstateCompaniesInvestmentInRealEstateAdditions	378291000	usd
CY2021	stwd	Sec Schedule1228 Real Estate Companies Investment In Real Estate Additions SECSchedule1228RealEstateCompaniesInvestmentInRealEstateAdditions	53233000	usd
CY2023	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	84309000	usd
CY2022	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	66578000	usd
CY2021	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	55945000	usd
CY2023	stwd	Sec Schedule1228 Real Estate Companies Investment In Real Estate Reclassification SECSchedule1228RealEstateCompaniesInvestmentInRealEstateReclassification	0	usd
CY2022	stwd	Sec Schedule1228 Real Estate Companies Investment In Real Estate Reclassification SECSchedule1228RealEstateCompaniesInvestmentInRealEstateReclassification	0	usd
CY2021	stwd	Sec Schedule1228 Real Estate Companies Investment In Real Estate Reclassification SECSchedule1228RealEstateCompaniesInvestmentInRealEstateReclassification	1222740000	usd
CY2023	stwd	Sec Schedule1228 Real Estate Companies Investment In Real Estate Impairments SECSchedule1228RealEstateCompaniesInvestmentInRealEstateImpairments	124902000	usd
CY2022	stwd	Sec Schedule1228 Real Estate Companies Investment In Real Estate Impairments SECSchedule1228RealEstateCompaniesInvestmentInRealEstateImpairments	0	usd
CY2021	stwd	Sec Schedule1228 Real Estate Companies Investment In Real Estate Impairments SECSchedule1228RealEstateCompaniesInvestmentInRealEstateImpairments	0	usd
CY2023	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	37000	usd
CY2022	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	62000	usd
CY2021	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	0	usd
CY2023	stwd	Sec Schedule1228 Real Estate Companies Investment In Real Estate Deductions SECSchedule1228RealEstateCompaniesInvestmentInRealEstateDeductions	209248000	usd
CY2022	stwd	Sec Schedule1228 Real Estate Companies Investment In Real Estate Deductions SECSchedule1228RealEstateCompaniesInvestmentInRealEstateDeductions	66640000	usd
CY2021	stwd	Sec Schedule1228 Real Estate Companies Investment In Real Estate Deductions SECSchedule1228RealEstateCompaniesInvestmentInRealEstateDeductions	1278685000	usd
CY2023Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1570501000	usd
CY2022Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1659495000	usd
CY2021Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1347844000	usd
CY2022Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	209509000	usd
CY2021Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	181457000	usd
CY2020Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	302143000	usd
CY2023	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	40858000	usd
CY2022	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	40006000	usd
CY2021	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	72299000	usd
CY2023	stwd	Sec Schedule1228 Real Estate Companies Investment In Real Estate Accumulated Depreciation Reclassification SECSchedule1228RealEstateCompaniesInvestmentInRealEstateAccumulatedDepreciationReclassification	0	usd
CY2022	stwd	Sec Schedule1228 Real Estate Companies Investment In Real Estate Accumulated Depreciation Reclassification SECSchedule1228RealEstateCompaniesInvestmentInRealEstateAccumulatedDepreciationReclassification	0	usd
CY2021	stwd	Sec Schedule1228 Real Estate Companies Investment In Real Estate Accumulated Depreciation Reclassification SECSchedule1228RealEstateCompaniesInvestmentInRealEstateAccumulatedDepreciationReclassification	186716000	usd
CY2023	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	17187000	usd
CY2022	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	11954000	usd
CY2021	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	6269000	usd
CY2023Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	233180000	usd
CY2022Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	209509000	usd
CY2021Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	181457000	usd
CY2023Q4	srt	Mortgage Loans On Real Estate Principal Amount Of Delinquent Loans MortgageLoansOnRealEstatePrincipalAmountOfDelinquentLoans	494886000	usd
CY2023Q4	stwd	Mortgage Loans On Real Estate Federal Income Tax Basis MortgageLoansOnRealEstateFederalIncomeTaxBasis	18000000000	usd
CY2023Q4	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2023Q4	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2023Q4	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2023Q4	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false

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$STWD
STARWOOD PROPERTY TRUST, INC. Stock $stwd

2024 Q1 Form 10-K Financial Statement

#000162828024006128 Filed on February 22, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$STWD STARWOOD PROPERTY TRUST, INC. Stock $stwd

2024 Q1 Form 10-K Financial Statement

#000162828024006128 Filed on February 22, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$STWD
STARWOOD PROPERTY TRUST, INC. Stock $stwd