$STWD
STARWOOD PROPERTY TRUST, INC. Stock $stwd

$stwd Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000162828023005726 Filed on March 01, 2023

Income Statement

Concept	2023 Q1	2022 Q4	2022
Revenue	$490.4M	$551.6M	$1.465B
YoY Change	66.81%	86.27%	25.18%
Cost Of Revenue	$374.8M	$336.9M	$934.0M
YoY Change	106.24%	74.93%	57.39%
Gross Profit	$128.5M	$214.7M	$1.286B
YoY Change	-62.88%	107.35%	120.63%
Gross Profit Margin	26.21%	38.92%	87.83%
Selling, General & Admin	$53.77M	$52.70M	$238.3M
YoY Change	0.3%	-23.86%	-21.2%
% of Gross Profit	41.84%	24.55%	18.52%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$12.42M	$14.03M	$53.94M
YoY Change	-2.67%	-17.17%	-36.23%
% of Gross Profit	9.66%	6.53%	4.19%
Operating Expenses	$110.2M	$92.03M	$335.5M
YoY Change	78.92%	-13.11%	-14.94%
Operating Profit	$18.31M	$122.7M	$950.9M
YoY Change	-93.57%	-5258.33%	404.11%
Interest Expense	$335.3M	$38.16M	$797.1M
YoY Change	165.16%	-66.59%	79.09%
% of Operating Profit	1831.65%	31.11%	83.82%
Other Income/Expense, Net	$45.89M	-$2.747M	$805.8M
YoY Change	-86.16%	205.9%	151.75%
Pretax Income	$50.97M	$156.7M	$997.5M
YoY Change	-86.65%	48.77%	99.07%
Income Tax	-$8.795M	-$12.52M	-$61.52M
% Of Pretax Income	-17.26%	-7.99%	-6.17%
Net Earnings	$51.97M	$138.6M	$871.5M
YoY Change	-83.99%	51.55%	94.64%
Net Earnings / Revenue	10.6%	25.12%	59.5%
Basic Earnings Per Share	$0.16		$2.80
Diluted Earnings Per Share	$0.16	$0.43	$2.74
COMMON SHARES
Basic Shares Outstanding	310.6M shares	309.6M shares
Diluted Shares Outstanding	309.0M shares		315.7M shares

Balance Sheet

Concept	2023 Q1	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$395.8M	$261.1M	$261.1M
YoY Change	49.81%	20.1%	20.1%
Cash & Equivalents	$395.8M	$261.1M	$261.1M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$577.6M	$429.6M	$429.6M
YoY Change	48.86%	28.76%	28.76%
LONG-TERM ASSETS
Property, Plant & Equipment	$3.206B	$3.211B	$3.211B
YoY Change	34.34%	45.51%	45.51%
Goodwill	$259.8M	$259.8M
YoY Change	0.0%	0.0%
Intangibles	$66.80M	$68.77M
YoY Change	7.48%	8.19%
Long-Term Investments	$70.08M	$68.90M	$907.7M
YoY Change	11.22%	7.13%	-4.56%
Other Assets	$135.6M	$121.1M	$121.1M
YoY Change	23.8%	15.8%	15.8%
Total Long-Term Assets	$76.78B	$78.61B	$78.61B
YoY Change	-4.98%	-5.87%	-5.87%
TOTAL ASSETS
Total Short-Term Assets	$577.6M	$429.6M	$429.6M
Total Long-Term Assets	$76.78B	$78.61B	$78.61B
Total Assets	$77.35B	$79.04B	$79.04B
YoY Change	-4.72%	-5.73%	-5.73%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$277.3M	$299.0M	$299.0M
YoY Change	41.39%	57.62%	57.62%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$1.525B	$1.874B	$1.874B
YoY Change	149.72%	-9.38%	-9.38%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$1.994B	$2.366B	$2.366B
YoY Change	97.02%	-4.67%	-4.67%
LONG-TERM LIABILITIES
Long-Term Debt	$19.33B	$18.63B	$18.63B
YoY Change	13.41%	24.61%	24.61%
Other Long-Term Liabilities	$48.92B	$50.85B	$50.85B
YoY Change	-13.0%	-14.93%	-14.93%
Total Long-Term Liabilities	$68.24B	$69.48B	$69.48B
YoY Change	-6.86%	-7.01%	-7.01%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.994B	$2.366B	$2.366B
Total Long-Term Liabilities	$68.24B	$69.48B	$69.48B
Total Liabilities	$70.24B	$71.84B	$72.58B
YoY Change	-5.44%	-6.94%	-6.68%
SHAREHOLDERS EQUITY
Retained Earnings	$670.7M	$769.2M
YoY Change	0.12%	56.0%
Common Stock	$5.830B	$5.810B
YoY Change	2.06%	2.36%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$6.382B	$6.462B	$6.462B
YoY Change
Total Liabilities & Shareholders Equity	$77.35B	$79.04B	$79.04B
YoY Change	-4.72%	-5.73%	-5.73%

Cashflow Statement

Concept	2023 Q1	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	$51.97M	$138.6M	$871.5M
YoY Change	-83.99%	51.55%	94.64%
Depreciation, Depletion And Amortization	$12.42M	$14.03M	$53.94M
YoY Change	-2.67%	-17.17%	-36.23%
Cash From Operating Activities	-$28.56M	-$631.0M	$213.7M
YoY Change	-118.5%	19.46%	-121.59%
INVESTING ACTIVITIES
Capital Expenditures		$0.00	$0.00
YoY Change		-100.0%	-100.0%
Acquisitions
YoY Change
Other Investing Activities	$13.02M	-$93.91M	-$2.950B
YoY Change	-102.35%	-95.8%	-30.64%
Cash From Investing Activities	$13.02M	-$93.91M	-$2.950B
YoY Change	-102.35%	-95.85%	-31.09%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			-$51.52M
YoY Change			-86.93%
Debt Paid & Issued, Net	$892.2M		$9.888B
YoY Change	-82.69%		-17.11%
Cash From Financing Activities	$164.3M	645.2M	$2.798B
YoY Change	-63.7%	-76.37%	-42.59%
NET CHANGE
Cash From Operating Activities	-$28.56M	-631.0M	$213.7M
Cash From Investing Activities	$13.02M	-93.91M	-$2.950B
Cash From Financing Activities	$164.3M	645.2M	$2.798B
Net Change In Cash	$148.7M	-79.69M	$61.31M
YoY Change	185.31%	28.67%	-115.39%
FREE CASH FLOW
Cash From Operating Activities	-$28.56M	-$631.0M	$213.7M
Capital Expenditures		$0.00	$0.00
Free Cash Flow		-$631.0M	$213.7M
YoY Change		26.17%	-122.22%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2022	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0001465128
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2022	dei	Amendment Flag AmendmentFlag	false
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CY2020	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2022#AccountingStandardsUpdate202006Member
CY2020	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2022#AccountingStandardsUpdate202006Member
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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/2022#OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
CY2022Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-12-31
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	001-34436
CY2022	dei	Entity Registrant Name EntityRegistrantName	Starwood Property Trust, Inc.
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	27-0247747
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	591 West Putnam Avenue
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	Greenwich
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	CT
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	06830
CY2022	dei	City Area Code CityAreaCode	203
CY2022	dei	Local Phone Number LocalPhoneNumber	422-7700
CY2022	dei	Security12b Title Security12bTitle	Common Stock, $0.01 par value per share
CY2022	dei	Trading Symbol TradingSymbol	STWD
CY2022	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2022	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2022	dei	Entity Small Business EntitySmallBusiness	false
CY2022	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
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CY2022	dei	Auditor Firm AuditorFirmId	34
CY2022	dei	Auditor Name AuditorName	DELOITTE & TOUCHE LLP
CY2022	dei	Auditor Location AuditorLocation	Miami, Florida
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CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	99413000	usd
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CY2022Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	1449986000	usd
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CY2021Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	90097000	usd
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CY2021Q4	us-gaap	Goodwill Goodwill	259846000	usd
CY2022Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	17790000	usd
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CY2022Q4	us-gaap	Due To Related Parties Current And Noncurrent DueToRelatedPartiesCurrentAndNoncurrent	41186000	usd
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CY2022	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	175500000	usd
CY2021	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	171302000	usd
CY2020	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	157874000	usd
CY2022	stwd	Acquisition And Investment Pursuit Costs AcquisitionAndInvestmentPursuitCosts	3400000	usd
CY2021	stwd	Acquisition And Investment Pursuit Costs AcquisitionAndInvestmentPursuitCosts	1184000	usd
CY2020	stwd	Acquisition And Investment Pursuit Costs AcquisitionAndInvestmentPursuitCosts	3572000	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
CY2020	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	117676000	usd
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	49293000	usd
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	83001000	usd
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	94405000	usd
CY2022	stwd	Provision For Loan Losses Net ProvisionForLoanLossesNet	46657000	usd
CY2021	stwd	Provision For Loan Losses Net ProvisionForLoanLossesNet	8335000	usd
CY2020	stwd	Provision For Loan Losses Net ProvisionForLoanLossesNet	43153000	usd
CY2022	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-1314000	usd
CY2021	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-708000	usd
CY2020	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-838000	usd
CY2022	us-gaap	Costs And Expenses CostsAndExpenses	1272951000	usd
CY2021	us-gaap	Costs And Expenses CostsAndExpenses	989057000	usd
CY2020	us-gaap	Costs And Expenses CostsAndExpenses	964408000	usd
CY2022	us-gaap	Variable Interest Entity Activity Between Vie And Entity Income Or Loss Before Tax VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax	124001000	usd
CY2021	us-gaap	Variable Interest Entity Activity Between Vie And Entity Income Or Loss Before Tax VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax	162333000	usd
CY2020	us-gaap	Variable Interest Entity Activity Between Vie And Entity Income Or Loss Before Tax VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax	78258000	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
CY2020	stwd	Fair Value Of Service Rights Gain Loss FairValueOfServiceRightsGainLoss	-3715000	usd
CY2022	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-2204000	usd
CY2021	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-387000	usd
CY2020	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	5393000	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
CY2020	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	133124000	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
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	37317000	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
CY2020	stwd	Gain Loss On Sale Of Investments Net GainLossOnSaleOfInvestmentsNet	7310000	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
CY2020	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-82178000	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
CY2020	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	42395000	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
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-3654000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-93710000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-7314000	usd
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	281000	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	805773000	usd
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	320064000	usd
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	214531000	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
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	386278000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-61523000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8669000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20197000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	1059061000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	492426000	usd
CY2020	us-gaap	Profit Loss ProfitLoss	366081000	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
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	34392000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	871475000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	447739000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	331689000	usd
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.80
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.54
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.16
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.74
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.52
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.16
CY2022	us-gaap	Profit Loss ProfitLoss	1059061000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	492426000	usd
CY2020	us-gaap	Profit Loss ProfitLoss	366081000	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
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-6939000	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
CY2020	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 Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-19998000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3040000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-6939000	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
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	359142000	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
CY2020	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	34392000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	851477000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	444699000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	324750000	usd
CY2019Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	0	usd
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5137014000	usd
CY2020	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	1098000	usd
CY2020	stwd	Redemption Of Units RedemptionOfUnits	-1309000	usd
CY2020	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	95000	usd
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	33828000	usd
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	31241000	usd
CY2020	us-gaap	Stock Issued During Period Value Issued For Services StockIssuedDuringPeriodValueIssuedForServices	36046000	usd
CY2020	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	366081000	usd
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.92
CY2020	us-gaap	Dividends Common Stock DividendsCommonStock	547417000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-6939000	usd
CY2020	stwd	Noncontrolling Interests Increase Decrease From Variable Interest Entity NoncontrollingInterestsIncreaseDecreaseFromVariableInterestEntity	-2178000	usd
CY2020	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	13351000	usd
CY2020	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	98203000	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
CY2022	us-gaap	Profit Loss ProfitLoss	1059061000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	492426000	usd
CY2020	us-gaap	Profit Loss ProfitLoss	366081000	usd
CY2022	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	47662000	usd
CY2021	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	43199000	usd
CY2020	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	40131000	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
CY2020	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	7939000	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
CY2020	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	12818000	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
CY2020	stwd	Accretion Of Net Deferred Loan Fees And Discounts AccretionOfNetDeferredLoanFeesAndDiscounts	42199000	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
CY2020	stwd	Share Based Compensation And Nonemployee Services Transaction Expense ShareBasedCompensationAndNonemployeeServicesTransactionExpense	31241000	usd
CY2022	stwd	Incentive Fee Compensation IncentiveFeeCompensation	43141000	usd
CY2021	stwd	Incentive Fee Compensation IncentiveFeeCompensation	17040000	usd
CY2020	stwd	Incentive Fee Compensation IncentiveFeeCompensation	36046000	usd
CY2022	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-2204000	usd
CY2021	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-387000	usd
CY2020	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	5393000	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
CY2020	stwd	Change In Fair Value Of Consolidated Variable Interest Entity ChangeInFairValueOfConsolidatedVariableInterestEntity	-58160000	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
CY2020	stwd	Change In Fair Value Of Servicing Rights ChangeInFairValueOfServicingRights	-3715000	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
CY2020	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	133124000	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
CY2020	stwd	Change In Fair Value Of Affordable Housing Fund Investments ChangeInFairValueOfAffordableHousingFundInvestments	0	usd
CY2022	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	329204000	usd
CY2021	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	90126000	usd
CY2020	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-88544000	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
CY2020	stwd	Foreign Currency Transaction Gain Loss Before Tax Cash Flow Impact ForeignCurrencyTransactionGainLossBeforeTaxCashFlowImpact	42395000	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
CY2020	stwd	Gain On Sale Of Investments Cash Flow GainOnSaleOfInvestmentsCashFlow	7310000	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
CY2020	stwd	Lease Intangibles And Other Assets Impairment Charges LeaseIntangiblesAndOtherAssetsImpairmentCharges	0	usd
CY2022	stwd	Provision For Loan Losses Net ProvisionForLoanLossesNet	46657000	usd
CY2021	stwd	Provision For Loan Losses Net ProvisionForLoanLossesNet	8335000	usd
CY2020	stwd	Provision For Loan Losses Net ProvisionForLoanLossesNet	43153000	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
CY2020	stwd	Depreciation And Amortization Excluding Amortization Of Above Below Market Leases DepreciationAndAmortizationExcludingAmortizationOfAboveBelowMarketLeases	94154000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-6323000	usd
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	8752000	usd
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	37317000	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
CY2020	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	2978000	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
CY2020	stwd	Gain Loss On Extinguishment Of Debt Including Non Cash Fees GainLossOnExtinguishmentOfDebtIncludingNonCashFees	-3654000	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
CY2020	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	2074678000	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
CY2020	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	2802118000	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
CY2020	us-gaap	Increase Decrease In Due To Related Parties IncreaseDecreaseInDueToRelatedParties	-1755000	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
CY2020	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	175287000	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
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-282000	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
CY2020	us-gaap	Increase Decrease In Accounts Payable And Other Operating Liabilities IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities	-372000	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
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1045548000	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
CY2020	us-gaap	Payments To Acquire Loans Held For Investment PaymentsToAcquireLoansHeldForInvestment	3133196000	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
CY2020	us-gaap	Proceeds From Loan And Lease Originations And Principal Collections1 ProceedsFromLoanAndLeaseOriginationsAndPrincipalCollections1	1696244000	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
CY2020	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	504231000	usd
CY2022	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	86512000	usd
CY2021	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	198358000	usd
CY2020	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	22408000	usd
CY2022	stwd	Proceeds From Sales Of Investment Securities ProceedsFromSalesOfInvestmentSecurities	0	usd
CY2021	stwd	Proceeds From Sales Of Investment Securities ProceedsFromSalesOfInvestmentSecurities	0	usd
CY2020	stwd	Proceeds From Sales Of Investment Securities ProceedsFromSalesOfInvestmentSecurities	7940000	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
CY2020	stwd	Proceeds From Principal Collections On Investment Securities ProceedsFromPrincipalCollectionsOnInvestmentSecurities	83533000	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
CY2020	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	24541000	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
CY2020	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	25164000	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
CY2020	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	3133000	usd
CY2022	stwd	Proceeds From Sale Of Interest In Unconsolidated Entities ProceedsFromSaleOfInterestInUnconsolidatedEntities	0	usd
CY2021	stwd	Proceeds From Sale Of Interest In Unconsolidated Entities ProceedsFromSaleOfInterestInUnconsolidatedEntities	0	usd
CY2020	stwd	Proceeds From Sale Of Interest In Unconsolidated Entities ProceedsFromSaleOfInterestInUnconsolidatedEntities	10313000	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
CY2020	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	3422000	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
CY2020	stwd	Cash Reclassification Of Affordable Housing Fund Investees CashReclassificationOfAffordableHousingFundInvestees	0	usd
CY2022	stwd	Proceeds From Initial Consolidation Of Entities ProceedsFromInitialConsolidationOfEntities	617000	usd
CY2021	stwd	Proceeds From Initial Consolidation Of Entities ProceedsFromInitialConsolidationOfEntities	0	usd
CY2020	stwd	Proceeds From Initial Consolidation Of Entities ProceedsFromInitialConsolidationOfEntities	0	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
CY2020	stwd	Payments For Purchase Or Termination Of Derivatives PaymentsForPurchaseOrTerminationOfDerivatives	74801000	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
CY2020	us-gaap	Proceeds From Derivative Instrument Investing Activities ProceedsFromDerivativeInstrumentInvestingActivities	16673000	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
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-911805000	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
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	7100563000	usd
CY2022	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	9888088000	usd
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	11929179000	usd
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	6137778000	usd
CY2022	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	69820000	usd
CY2021	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	71858000	usd
CY2020	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	27122000	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
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1098000	usd
CY2022	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	1074000	usd
CY2021	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	720000	usd
CY2020	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	95000	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	591457000	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	553930000	usd
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	546885000	usd
CY2022	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	21925000	usd
CY2021	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	219757000	usd
CY2020	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	11775000	usd
CY2022	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	49452000	usd
CY2021	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	43950000	usd
CY2020	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	99512000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	33828000	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
CY2020	stwd	Proceeds From Issuance Of Debt Of Consolidated Variable Interest Entities ProceedsFromIssuanceOfDebtOfConsolidatedVariableInterestEntities	187494000	usd
CY2022	stwd	Repayments Of Debt Of Consolidated Variable Interest Entities RepaymentsOfDebtOfConsolidatedVariableInterestEntities	290232000	usd
CY2021	stwd	Repayments Of Debt Of Consolidated Variable Interest Entities RepaymentsOfDebtOfConsolidatedVariableInterestEntities	767427000	usd
CY2020	stwd	Repayments Of Debt Of Consolidated Variable Interest Entities RepaymentsOfDebtOfConsolidatedVariableInterestEntities	522348000	usd
CY2022	us-gaap	Proceeds From Contributions From Affiliates ProceedsFromContributionsFromAffiliates	93412000	usd
CY2021	us-gaap	Proceeds From Contributions From Affiliates ProceedsFromContributionsFromAffiliates	120060000	usd
CY2020	us-gaap	Proceeds From Contributions From Affiliates ProceedsFromContributionsFromAffiliates	79921000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	2797879000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	4873103000	usd
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	13283000	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
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	147026000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	321914000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	722162000	usd
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	574031000	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
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1105000	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
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	722162000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	671186000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	386918000	usd
CY2020	us-gaap	Interest Paid Net InterestPaidNet	379949000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-7862000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	7793000	usd
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	11369000	usd
CY2022	stwd	Dividendspayablecurrentandnoncurrentdividendsdeclaredduringperiod Dividendspayablecurrentandnoncurrentdividendsdeclaredduringperiod	152443000	usd
CY2021	stwd	Dividendspayablecurrentandnoncurrentdividendsdeclaredduringperiod Dividendspayablecurrentandnoncurrentdividendsdeclaredduringperiod	148527000	usd
CY2020	stwd	Dividendspayablecurrentandnoncurrentdividendsdeclaredduringperiod Dividendspayablecurrentandnoncurrentdividendsdeclaredduringperiod	138075000	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
CY2020	stwd	Variable Interest Entity Consolidation In Non Cash Investing And Financing Activities VariableInterestEntityConsolidationInNonCashInvestingAndFinancingActivities	4665636000	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
CY2020	stwd	Variable Interest Entity Deconsolidation In Non Cash Investing And Financing Activities VariableInterestEntityDeconsolidationInNonCashInvestingAndFinancingActivities	32270000	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
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	75246000	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
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1	3758000	usd
CY2022	stwd	Liabilities From Real Estate Business Sale LiabilitiesFromRealEstateBusinessSale	29821000	usd
CY2021	stwd	Liabilities From Real Estate Business Sale LiabilitiesFromRealEstateBusinessSale	1430000	usd
CY2020	stwd	Liabilities From Real Estate Business Sale LiabilitiesFromRealEstateBusinessSale	0	usd
CY2022	stwd	Loan Principal Collections Temporarily Held At Master Servicer LoanPrincipalCollectionsTemporarilyHeldAtMasterServicer	429000	usd
CY2021	stwd	Loan Principal Collections Temporarily Held At Master Servicer LoanPrincipalCollectionsTemporarilyHeldAtMasterServicer	31681000	usd
CY2020	stwd	Loan Principal Collections Temporarily Held At Master Servicer LoanPrincipalCollectionsTemporarilyHeldAtMasterServicer	34601000	usd
CY2022	stwd	Noncash Transaction Unsettled Derivatives NoncashTransactionUnsettledDerivatives	2323000	usd
CY2021	stwd	Noncash Transaction Unsettled Derivatives NoncashTransactionUnsettledDerivatives	0	usd
CY2020	stwd	Noncash Transaction Unsettled Derivatives NoncashTransactionUnsettledDerivatives	0	usd
CY2022	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	113710000	usd
CY2021	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	267557000	usd
CY2020	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	749995000	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
CY2020	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	104327000	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
CY2020	stwd	Transfer Of Loans From Variable Interest Entity Assets To Loans Held For Sale Upon Redemption Of Securities TransferOfLoansFromVariableInterestEntityAssetsToLoansHeldForSaleUponRedemptionOfSecurities	176614000	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
CY2020	stwd	Redemption Of Units For Common Stock Value RedemptionOfUnitsForCommonStockValue	8538000	usd
CY2022	stwd	Variable Interest Entity Consolidation Fair Value Of Assets Acquired VariableInterestEntityConsolidationFairValueOfAssetsAcquired	0	usd
CY2021	stwd	Variable Interest Entity Consolidation Fair Value Of Assets Acquired VariableInterestEntityConsolidationFairValueOfAssetsAcquired	0	usd
CY2020	stwd	Variable Interest Entity Consolidation Fair Value Of Assets Acquired VariableInterestEntityConsolidationFairValueOfAssetsAcquired	1576000	usd
CY2022	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, 2022 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>
CY2022	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	segment
CY2022	stwd	Percentage Of Annual Reit Taxable Income Distributable To Stockholders Minimum PercentageOfAnnualREITTaxableIncomeDistributableToStockholdersMinimum	0.90
CY2022Q4	stwd	Reo Assets As Percent Of Consolidated Vie Assets ReoAssetsAsPercentOfConsolidatedVieAssets	0.01
CY2022Q4	stwd	Loans As Percent Of Consolidated Vie Assets LoansAsPercentOfConsolidatedVieAssets	0.99
CY2022Q4	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
CY2022	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>
CY2022	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%"/></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, 2022. 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%"/></div>
CY2022Q4	stwd	Derivative Collateral Restricted Cash DerivativeCollateralRestrictedCash	69607000	usd
CY2021Q4	stwd	Derivative Collateral Restricted Cash DerivativeCollateralRestrictedCash	55032000	usd
CY2022Q4	us-gaap	Restricted Cash RestrictedCash	49727000	usd
CY2021Q4	us-gaap	Restricted Cash RestrictedCash	46059000	usd
CY2022Q4	stwd	Restricted Cash Funds Held In Escrow On Behalf Of Others RestrictedCashFundsHeldInEscrowOnBehalfOfOthers	1255000	usd
CY2021Q4	stwd	Restricted Cash Funds Held In Escrow On Behalf Of Others RestrictedCashFundsHeldInEscrowOnBehalfOfOthers	3420000	usd
CY2022Q4	stwd	Other Restricted Cash And Cash Equivalents OtherRestrictedCashAndCashEquivalents	483000	usd
CY2021Q4	stwd	Other Restricted Cash And Cash Equivalents OtherRestrictedCashAndCashEquivalents	41000	usd
CY2022Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	121072000	usd
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	104552000	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
CY2021Q4	stwd	Mortgage Loans On Real Estate Gross Carrying Amount Of Mortgages MortgageLoansOnRealEstateGrossCarryingAmountOfMortgages	18480919000	usd
CY2021Q4	stwd	Mortgage Loans On Real Estate Principal Amount Of Mortgages MortgageLoansOnRealEstatePrincipalAmountOfMortgages	18521795000	usd
CY2021Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	18413649000	usd
CY2022Q4	us-gaap	Loans Receivable With Variable Rates Of Interest1 LoansReceivableWithVariableRatesOfInterest1	17995523000	usd
CY2022Q4	us-gaap	Loans Receivable Basis Spread On Variable Rate LoansReceivableBasisSpreadOnVariableRate	0.040
CY2022Q4	stwd	Mortgage Loans On Real Estate Gross Carrying Amount Of Mortgages MortgageLoansOnRealEstateGrossCarryingAmountOfMortgages	21285446000	usd
CY2022Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	99413000	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 Loans Converted To Equity Interest During Period MortgageLoansOnRealEstateLoansConvertedToEquityInterestDuringPeriod	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 Loans Converted To Equity Interest During Period MortgageLoansOnRealEstateLoansConvertedToEquityInterestDuringPeriod	36308000	usd
CY2021	stwd	Mortgage Loans On Real Estate Transfers MortgageLoansOnRealEstateTransfers	524776000	usd
CY2021Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	18413649000	usd
CY2019Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	11470224000	usd
CY2020	us-gaap	Mortgage Loans On Real Estate New Mortgage Loans MortgageLoansOnRealEstateNewMortgageLoans	5337399000	usd
CY2020	stwd	Mortgage Loans On Real Estate Capitalized Interest MortgageLoansOnRealEstateCapitalizedInterest	144013000	usd
CY2020	us-gaap	Mortgage Loans On Real Estate Cost Of Mortgages Sold MortgageLoansOnRealEstateCostOfMortgagesSold	3307003000	usd
CY2020	srt	Mortgage Loans On Real Estate Collections Of Principal MortgageLoansOnRealEstateCollectionsOfPrincipal	1821196000	usd
CY2020	stwd	Mortgage Loans On Real Estate Discount Accretion And Premium Amortization MortgageLoansOnRealEstateDiscountAccretionAndPremiumAmortization	42199000	usd
CY2020	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	133124000	usd
CY2020	stwd	Mortgage Loans On Real Estate Unrealized Foreign Currency Remeasurement Gain Loss MortgageLoansOnRealEstateUnrealizedForeignCurrencyRemeasurementGainLoss	-102553000	usd
CY2020	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	46091000	usd
CY2020	stwd	Mortgage Loans On Real Estate Consolidation MortgageLoansOnRealEstateConsolidation	-71488000	usd
CY2020	stwd	Mortgage Loans On Real Estate Transfers MortgageLoansOnRealEstateTransfers	176614000	usd
CY2020Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	12139908000	usd
CY2021	stwd	Mortgage Loans On Real Estate Transfers From Variable Interest Entities Trusts Redeemed MortgageLoansOnRealEstateTransfersFromVariableInterestEntitiesTrustsRedeemed	3	trust
CY2020	stwd	Mortgage Loans On Real Estate Transfers From Variable Interest Entities Trusts Redeemed MortgageLoansOnRealEstateTransfersFromVariableInterestEntitiesTrustsRedeemed	1	trust
CY2022Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	3182000	usd
CY2021Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	8610000	usd
CY2022Q4	stwd	Investments Excluding Unconsolidated Entities InvestmentsExcludingUnconsolidatedEntities	815804000	usd
CY2021Q4	stwd	Investments Excluding Unconsolidated Entities InvestmentsExcludingUnconsolidatedEntities	860984000	usd
CY2022	stwd	Purchase Of Marketable Securities PurchaseOfMarketableSecurities	86512000	usd
CY2022	stwd	Sale Of Marketable Securities SaleOfMarketableSecurities	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	Sale Of Marketable Securities SaleOfMarketableSecurities	0	usd
CY2021	stwd	Proceeds From Principal Collections On Investment Securities ProceedsFromPrincipalCollectionsOnInvestmentSecurities	87450000	usd
CY2021	stwd	Redemption Of Securities RedemptionOfSecurities	0	usd
CY2020	stwd	Purchase Of Marketable Securities PurchaseOfMarketableSecurities	22408000	usd
CY2020	stwd	Sale Of Marketable Securities SaleOfMarketableSecurities	7940000	usd
CY2020	stwd	Proceeds From Principal Collections On Investment Securities ProceedsFromPrincipalCollectionsOnInvestmentSecurities	83533000	usd
CY2020	stwd	Redemption Of Securities RedemptionOfSecurities	0	usd
CY2022Q4	stwd	Available For Sale Securities Amortized Cost Before Other Than Temporary Impairment AvailableForSaleSecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	92431000	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
CY2021Q4	stwd	Available For Sale Securities Amortized Cost Before Other Than Temporary Impairment AvailableForSaleSecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	103027000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	103027000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	41052000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	99000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Accumulated Gross Unrealized Gain Loss Before Tax DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax	40953000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	143980000	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
CY2020	stwd	Debt Securities Available For Sale Cost Of Third Party Management DebtSecuritiesAvailableForSaleCostOfThirdPartyManagement	800000	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
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	2478000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	0	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	99000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0	usd
CY2022Q4	stwd	Number Of Securities With Unrealized Losses NumberOfSecuritiesWithUnrealizedLosses	10	security
CY2021Q4	stwd	Number Of Securities With Unrealized Losses NumberOfSecuritiesWithUnrealizedLosses	1	security
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
CY2021Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	691746000	usd
CY2021Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	8610000	usd
CY2021Q4	stwd	Debt Securities Held To Maturity Net DebtSecuritiesHeldToMaturityNet	683136000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	1206000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	27478000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	656864000	usd
CY2019Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	0	usd
CY2020	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	1545000	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
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
CY2022Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	369187000	usd
CY2022Q4	stwd	Held To Maturity Securities Debt Maturities After One Through Three Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughThreeYearsNetCarryingAmount	225341000	usd
CY2022Q4	stwd	Debt Securities Held To Maturity Amortized Cost Maturity Allocated And Single Maturity Date After Year Three Through Year Five DebtSecuritiesHeldToMaturityAmortizedCostMaturityAllocatedAndSingleMaturityDateAfterYearThreeThroughYearFive	62617000	usd
CY2022Q4	stwd	Held To Maturity Securities Debt Maturities After Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveYearsNetCarryingAmount	16325000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Amortized Cost Basis HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	673470000	usd
CY2022Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	1659495000	usd
CY2021Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	1347844000	usd
CY2022Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	209509000	usd
CY2021Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	181457000	usd
CY2022Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	1449986000	usd
CY2021Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	1166387000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	64136000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	58076000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	53056000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	44465000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears	38871000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter	154225000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	412829000	usd
CY2022	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	720693000	usd
CY2021Q4	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	402000	usd
CY2022Q4	us-gaap	Equity Method Investments EquityMethodInvestments	68901000	usd
CY2021Q4	us-gaap	Equity Method Investments EquityMethodInvestments	64316000	usd
CY2022Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	22991000	usd
CY2021Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	25781000	usd
CY2022Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	91892000	usd
CY2021Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	90097000	usd
CY2022Q4	stwd	Number Of Publicly Traded Investments NumberOfPubliclyTradedInvestments	0	investment
CY2022Q4	us-gaap	Equity Method Investment Difference Between Carrying Amount And Underlying Equity EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity	0	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 Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	135238000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	71674000	usd
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	63564000	usd
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	70117000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	9503000	usd
CY2021	stwd	Intangible Assets Sold IntangibleAssetsSold	-628000	usd
CY2021	stwd	Indefinite Lived Intangible Assets Adjustments For Change In Inputs And Assumptions IndefiniteLivedIntangibleAssetsAdjustmentsForChangeInInputsAndAssumptions	3578000	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
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	8451000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	6754000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	5649000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	4123000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	3630000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	22376000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	50983000	usd
CY2021Q3	stwd	Debt Instrument Face Amount Purchased By Third Party Investors DebtInstrumentFaceAmountPurchasedByThirdPartyInvestors	210100000	usd
CY2022Q4	stwd	Debt Instrument Convertible Principal Amount For Conversion Ratio DebtInstrumentConvertiblePrincipalAmountForConversionRatio	1000	usd
CY2022Q4	us-gaap	Share Price SharePrice	18.33
CY2021Q4	us-gaap	Share Price SharePrice	24.30
CY2020Q4	us-gaap	Share Price SharePrice	19.30
CY2022Q4	us-gaap	Share Price SharePrice	18.33
CY2022Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	39400000	usd
CY2022Q4	us-gaap	Derivative Number Of Instruments Held DerivativeNumberOfInstrumentsHeld	652	contract
CY2022Q4	us-gaap	Derivative Assets DerivativeAssets	108621000	usd
CY2021Q4	us-gaap	Derivative Assets DerivativeAssets	48216000	usd
CY2022Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	91404000	usd
CY2021Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	13421000	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
CY2020	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-82178000	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 Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Cash DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimCash	22183000	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 Amount Offset Against Collateral DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral	0	usd
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	48216000	usd
CY2021Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	0	usd
CY2021Q4	us-gaap	Derivative Assets DerivativeAssets	48216000	usd
CY2021Q4	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	12870000	usd
CY2021Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	21290000	usd
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	14056000	usd
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	13421000	usd
CY2021Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	0	usd
CY2021Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	13421000	usd
CY2021Q4	us-gaap	Derivative Collateral Right To Reclaim Securities DerivativeCollateralRightToReclaimSecurities	12870000	usd
CY2021Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	291000	usd
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	260000	usd
CY2021Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	9542034000	usd
CY2021Q4	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	0	usd
CY2021Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	9542034000	usd
CY2021Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities	9542034000	usd
CY2021Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Cash SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash	0	usd
CY2021Q4	us-gaap	Securities Sold Under Agreements To Repurchase Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral	0	usd
CY2021Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Gross DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross	9555455000	usd
CY2021Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Asset DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAsset	0	usd
CY2021Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned	9555455000	usd
CY2021Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Securities DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities	9554904000	usd
CY2021Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Cash DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimCash	291000	usd
CY2021Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Amount Offset Against Collateral DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral	260000	usd
CY2022	stwd	Number Of Collateralized Loan Obligations NumberOfCollateralizedLoanObligations	5	collateralized_loan_obligation
CY2022	stwd	Number Of Single Asset Single Borrower Loans NumberOfSingleAssetSingleBorrowerLoans	1	loan
CY2022	stwd	Related Party Number Of Trading Days Price Considered For Payment Of Incentive Fee In Shares RelatedPartyNumberOfTradingDaysPriceConsideredForPaymentOfIncentiveFeeInShares	5	d
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	100000000	shares
CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2022Q4	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
CY2020	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	2268551	shares
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	33800000	usd
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
CY2020Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2020Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2020Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	65089000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	74421000	usd
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	65734000	usd
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	3702007	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	18.90
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	2329805	shares
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
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	1617048	shares
CY2022	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	18.57
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	75917	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	19.42
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
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
CY2020	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	14.64
CY2022Q4	stwd	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Future Vesting In First Full Fiscal Year ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFutureVestingInFirstFullFiscalYear	1615290	shares
CY2022Q4	stwd	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Future Vesting In Second Full Fiscal Year ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFutureVestingInSecondFullFiscalYear	1981187	shares
CY2022Q4	stwd	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Future Vesting In Third Full Fiscal Year ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFutureVestingInThirdFullFiscalYear	742370	shares
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	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions	63300000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y
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
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	35700000	usd
CY2022	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	153800000	usd
	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	700000	usd
CY2022	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	871475000	usd
CY2021	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	447739000	usd
CY2020	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	331689000	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
CY2020	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	5216000	usd
CY2022	stwd	Income Loss From Continuing Operations Basic IncomeLossFromContinuingOperationsBasic	854362000	usd
CY2021	stwd	Income Loss From Continuing Operations Basic IncomeLossFromContinuingOperationsBasic	440931000	usd
CY2020	stwd	Income Loss From Continuing Operations Basic IncomeLossFromContinuingOperationsBasic	326473000	usd
CY2022	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	871475000	usd
CY2021	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	447739000	usd
CY2020	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	331689000	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
CY2020	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	5216000	usd
CY2022	us-gaap	Dilutive Securities DilutiveSecurities	11229000	usd
CY2021	us-gaap	Dilutive Securities DilutiveSecurities	0	usd
CY2020	us-gaap	Dilutive Securities DilutiveSecurities	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
CY2020	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	0	usd
CY2022	stwd	Income Loss From Continuing Operations Diluted IncomeLossFromContinuingOperationsDiluted	866343000	usd
CY2021	stwd	Income Loss From Continuing Operations Diluted IncomeLossFromContinuingOperationsDiluted	452550000	usd
CY2020	stwd	Income Loss From Continuing Operations Diluted IncomeLossFromContinuingOperationsDiluted	326473000	usd
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
CY2020	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	281978000	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
CY2020	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	383000	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
CY2020	stwd	Incremental Common Shares Attributable To Non Participating Nonvested Shares IncrementalCommonSharesAttributableToNonParticipatingNonvestedShares	122000	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
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	282483000	shares
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.80
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.54
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.16
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.74
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.52
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.16
CY2020	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-6939000	usd
CY2020	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	0	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-6939000	usd
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
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1446000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	142000	usd
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	5690000	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
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3201000	usd
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	0	usd
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	-392000	usd
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	195000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2151000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-330000	usd
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	9086000	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
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	8213000	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
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	2898000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-63674000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	8999000	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	11111000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-61523000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8669000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20197000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	3314000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	3155000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	15946000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	9652000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	782000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Investment In Noncontrolled Affiliates DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates	1515000	usd
CY2022Q4	stwd	Deferred Tax Assets Net Operating Loss And Other Carryforwards DeferredTaxAssetsNetOperatingLossAndOtherCarryforwards	69294000	usd
CY2021Q4	stwd	Deferred Tax Assets Net Operating Loss And Other Carryforwards DeferredTaxAssetsNetOperatingLossAndOtherCarryforwards	1908000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	140000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	14000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	57584000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	6090000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	0	usd
CY2020	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
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
CY2022	stwd	Income Tax Reconciliation Federal Benefit Of State Tax Deduction IncomeTaxReconciliationFederalBenefitOfStateTaxDeduction	3217000	usd
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
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	81118000	usd
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
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
CY2020	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	58265000	usd
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.151
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
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	7509000	usd
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.019
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
CY2020	stwd	Income Tax Reconciliation Federal Benefit Of State Tax Deduction IncomeTaxReconciliationFederalBenefitOfStateTaxDeduction	-1577000	usd
CY2020	stwd	Effective Income Tax Rate Reconciliation Deduction Federal Benefit Of State Tax Percent EffectiveIncomeTaxRateReconciliationDeductionFederalBenefitOfStateTaxPercent	-0.004
CY2022	stwd	Income Tax Reconciliation Net Operating Loss Carryback Rate Differential IncomeTaxReconciliationNetOperatingLossCarrybackRateDifferential	0	usd
CY2022	stwd	Effective Income Tax Rate Net Operating Loss Carryback Rate Differential EffectiveIncomeTaxRateNetOperatingLossCarrybackRateDifferential	0
CY2021	stwd	Income Tax Reconciliation Net Operating Loss Carryback Rate Differential IncomeTaxReconciliationNetOperatingLossCarrybackRateDifferential	0	usd
CY2021	stwd	Effective Income Tax Rate Net Operating Loss Carryback Rate Differential EffectiveIncomeTaxRateNetOperatingLossCarrybackRateDifferential	0
CY2020	stwd	Income Tax Reconciliation Net Operating Loss Carryback Rate Differential IncomeTaxReconciliationNetOperatingLossCarrybackRateDifferential	-3387000	usd
CY2020	stwd	Effective Income Tax Rate Net Operating Loss Carryback Rate Differential EffectiveIncomeTaxRateNetOperatingLossCarrybackRateDifferential	-0.009
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
CY2020	stwd	Income Tax Reconciliation Intra Entity Transfer IncomeTaxReconciliationIntraEntityTransfer	5385000	usd
CY2020	stwd	Effective Income Tax Rate Reconciliation Intra Entity Transfer EffectiveIncomeTaxRateReconciliationIntraEntityTransfer	0.014
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
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	184000	usd
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001
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
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20197000	usd
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.052
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	0	usd
CY2020	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
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	4646000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	4100000	usd
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	5571000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	44000	usd
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	2227000	usd
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	42000	usd
CY2022	us-gaap	Sublease Income SubleaseIncome	0	usd
CY2021	us-gaap	Sublease Income SubleaseIncome	766000	usd
CY2020	us-gaap	Sublease Income SubleaseIncome	1509000	usd
CY2022	us-gaap	Lease Cost LeaseCost	4690000	usd
CY2021	us-gaap	Lease Cost LeaseCost	5560000	usd
CY2020	us-gaap	Lease Cost LeaseCost	4104000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	2129000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	1274000	usd
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P13Y
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.087
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.040
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	5024000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	5145000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	5320000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	5275000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	4829000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	46411000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	72004000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	32702000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	39302000	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	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	Investment Income Net InvestmentIncomeNet	6425000	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
CY2020	us-gaap	Interest And Fee Income Loans Commercial InterestAndFeeIncomeLoansCommercial	751943000	usd
CY2020	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	54412000	usd
CY2020	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	29634000	usd
CY2020	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	297828000	usd
CY2020	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	2338000	usd
CY2020	us-gaap	Revenues Revenues	1136155000	usd
CY2020	stwd	Management Fees ManagementFees	127127000	usd
CY2020	us-gaap	Interest Expense InterestExpense	419763000	usd
CY2020	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	157874000	usd
CY2020	stwd	Acquisition And Investment Pursuit Costs AcquisitionAndInvestmentPursuitCosts	3572000	usd
CY2020	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	117676000	usd
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	94405000	usd
CY2020	stwd	Provision For Loan Losses Net ProvisionForLoanLossesNet	43153000	usd
CY2020	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-838000	usd
CY2020	us-gaap	Costs And Expenses CostsAndExpenses	964408000	usd
CY2020	us-gaap	Variable Interest Entity Activity Between Vie And Entity Income Or Loss Before Tax VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax	78258000	usd
CY2020	stwd	Fair Value Of Service Rights Gain Loss FairValueOfServiceRightsGainLoss	-3715000	usd
CY2020	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	5393000	usd
CY2020	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	133124000	usd
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	37317000	usd
CY2020	stwd	Gain Loss On Sale Of Investments Net GainLossOnSaleOfInvestmentsNet	7310000	usd
CY2020	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-82178000	usd
CY2020	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	42395000	usd
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-3654000	usd
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	281000	usd
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	214531000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	386278000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20197000	usd
CY2020	us-gaap	Profit Loss ProfitLoss	366081000	usd
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	34392000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	331689000	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 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
CY2022Q4	us-gaap	Other Assets OtherAssets	297477000	usd
CY2022Q4	stwd	Variable Interest Entity Assets VariableInterestEntityAssets	52453041000	usd
CY2022Q4	us-gaap	Assets Assets	79043129000	usd
CY2022Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	298999000	usd
CY2022Q4	us-gaap	Due To Related Parties Current And Noncurrent DueToRelatedPartiesCurrentAndNoncurrent	41186000	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
CY2022Q4	us-gaap	Collateralized Financings CollateralizedFinancings	3676224000	usd
CY2022Q4	us-gaap	Unsecured Debt UnsecuredDebt	2329211000	usd
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
CY2022Q4	us-gaap	Minority Interest MinorityInterest	373479000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6835917000	usd
CY2021Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	189696000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	79043129000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	217362000	usd
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	104552000	usd
CY2021Q4	us-gaap	Notes Receivable Net NotesReceivableNet	15536849000	usd
CY2021Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	2876800000	usd
CY2021Q4	stwd	Investments Excluding Unconsolidated Entities InvestmentsExcludingUnconsolidatedEntities	860984000	usd
CY2021Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	1166387000	usd
CY2021Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	1040309000	usd
CY2021Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	90097000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	259846000	usd
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	63564000	usd
CY2021Q4	us-gaap	Derivative Assets DerivativeAssets	48216000	usd
CY2021Q4	us-gaap	Interest Receivable InterestReceivable	116262000	usd
CY2021Q4	us-gaap	Other Assets OtherAssets	188626000	usd
CY2021Q4	stwd	Variable Interest Entity Assets VariableInterestEntityAssets	61280543000	usd
CY2021Q4	us-gaap	Assets Assets	83850397000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6433892000	usd
CY2021Q4	us-gaap	Due To Related Parties Current And Noncurrent DueToRelatedPartiesCurrentAndNoncurrent	76371000	usd
CY2021Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	147624000	usd
CY2021Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	13421000	usd
CY2021Q4	us-gaap	Secured Debt SecuredDebt	12576850000	usd
CY2021Q4	us-gaap	Collateralized Financings CollateralizedFinancings	2616116000	usd
CY2021Q4	us-gaap	Unsecured Debt UnsecuredDebt	1828590000	usd
CY2021Q4	stwd	Variable Interest Entity Liabilities VariableInterestEntityLiabilities	59752922000	usd
CY2021Q4	us-gaap	Liabilities Liabilities	77201590000	usd
CY2021Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	214915000	usd
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CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	83850397000	usd
CY2022Q4	srt	Real Estate And Accumulated Depreciation Amount Of Encumbrances RealEstateAndAccumulatedDepreciationAmountOfEncumbrances	1108733000	usd
CY2022Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Land RealEstateAndAccumulatedDepreciationInitialCostOfLand	267063000	usd
CY2022Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Buildings And Improvements RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements	1335671000	usd
CY2022Q4	us-gaap	Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Improvements RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements	56760000	usd
CY2022Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Land RealEstateAndAccumulatedDepreciationCarryingAmountOfLand	267062000	usd
CY2022Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements	1392433000	usd
CY2022Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1659495000	usd
CY2022Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	209509000	usd
CY2022Q4	us-gaap	Sec Schedule Iii Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Land SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionLand	0	usd
CY2022Q4	srt	Real Estate Federal Income Tax Basis RealEstateFederalIncomeTaxBasis	1800000000	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
CY2019Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	2490630000	usd
CY2022	us-gaap	Real Estate Acquisitions Through Foreclosures RealEstateAcquisitionsThroughForeclosures	357360000	usd
CY2021	us-gaap	Real Estate Acquisitions Through Foreclosures RealEstateAcquisitionsThroughForeclosures	28843000	usd
CY2020	us-gaap	Real Estate Acquisitions Through Foreclosures RealEstateAcquisitionsThroughForeclosures	75245000	usd
CY2022	us-gaap	Real Estate Improvements RealEstateImprovements	20931000	usd
CY2021	us-gaap	Real Estate Improvements RealEstateImprovements	24390000	usd
CY2020	us-gaap	Real Estate Improvements RealEstateImprovements	25164000	usd
CY2022	stwd	Sec Schedule1228 Real Estate Companies Investment In Real Estate Contingent Consideration Issued SECSchedule1228RealEstateCompaniesInvestmentInRealEstateContingentConsiderationIssued	0	usd
CY2021	stwd	Sec Schedule1228 Real Estate Companies Investment In Real Estate Contingent Consideration Issued SECSchedule1228RealEstateCompaniesInvestmentInRealEstateContingentConsiderationIssued	0	usd
CY2020	stwd	Sec Schedule1228 Real Estate Companies Investment In Real Estate Contingent Consideration Issued SECSchedule1228RealEstateCompaniesInvestmentInRealEstateContingentConsiderationIssued	1576000	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
CY2020	stwd	Sec Schedule1228 Real Estate Companies Investment In Real Estate Additions SECSchedule1228RealEstateCompaniesInvestmentInRealEstateAdditions	101985000	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
CY2020	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	19319000	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
CY2020	stwd	Sec Schedule1228 Real Estate Companies Investment In Real Estate Reclassification SECSchedule1228RealEstateCompaniesInvestmentInRealEstateReclassification	0	usd
CY2022	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	62000	usd
CY2021	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	0	usd
CY2020	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	0	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
CY2020	stwd	Sec Schedule1228 Real Estate Companies Investment In Real Estate Deductions SECSchedule1228RealEstateCompaniesInvestmentInRealEstateDeductions	19319000	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
CY2020Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	2573296000	usd
CY2021Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	181457000	usd
CY2020Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	302143000	usd
CY2019Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	224190000	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
CY2020	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	81610000	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
CY2020	stwd	Sec Schedule1228 Real Estate Companies Investment In Real Estate Accumulated Depreciation Reclassification SECSchedule1228RealEstateCompaniesInvestmentInRealEstateAccumulatedDepreciationReclassification	0	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
CY2020	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	3657000	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
CY2022Q4	srt	Mortgage Loans On Real Estate Principal Amount Of Delinquent Loans MortgageLoansOnRealEstatePrincipalAmountOfDelinquentLoans	235952000	usd
CY2022Q4	stwd	Mortgage Loans On Real Estate Federal Income Tax Basis MortgageLoansOnRealEstateFederalIncomeTaxBasis	18900000000	usd

Files In Submission

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$STWD
STARWOOD PROPERTY TRUST, INC. Stock $stwd

2023 Q1 Form 10-K Financial Statement

#000162828023005726 Filed on March 01, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$STWD STARWOOD PROPERTY TRUST, INC. Stock $stwd

2023 Q1 Form 10-K Financial Statement

#000162828023005726 Filed on March 01, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$STWD
STARWOOD PROPERTY TRUST, INC. Stock $stwd