$STWD
STARWOOD PROPERTY TRUST, INC. Stock $stwd

$stwd Overview Financials Valuation SEC Filings Company Website

2021 Q1 Form 10-K Financial Statement

#000155837021001712 Filed on February 25, 2021

Income Statement

Concept	2021 Q1	2020 Q4	2019 Q4
Revenue	$287.2M	$290.6M	$286.4M
YoY Change	-8.1%	1.44%	-2.38%
Cost Of Revenue	$142.1M	$142.4M	$163.7M
YoY Change	-11.63%	-13.01%	-4.6%
Gross Profit	$145.1M	$148.1M	$122.7M
YoY Change	-4.41%	20.7%	0.66%
Gross Profit Margin	50.52%	50.97%	42.84%
Selling, General & Admin	$67.40M	$77.30M	$73.90M
YoY Change	0.75%	4.6%	3.36%
% of Gross Profit	46.45%	52.19%	60.23%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$22.50M	$23.60M	$27.20M
YoY Change	-5.86%	-13.24%	-6.21%
% of Gross Profit	15.51%	15.94%	22.17%
Operating Expenses	$90.60M	$88.80M	$105.5M
YoY Change	-35.24%	-15.83%	-2.41%
Operating Profit	$54.50M	$59.30M	$17.20M
YoY Change	357.98%	244.77%	24.64%
Interest Expense	$103.4M	$70.60M	$174.8M
YoY Change	-13.87%	-59.61%	93.58%
% of Operating Profit	189.68%	119.06%	1016.28%
Other Income/Expense, Net	$70.41M	-$400.0K	-$600.0K
YoY Change	-183.87%	-33.33%
Pretax Income	$124.8M	$128.0M	$182.8M
YoY Change	-270.9%	-29.98%	81.35%
Income Tax	$2.230M	$13.40M	$4.900M
% Of Pretax Income	1.79%	10.47%	2.68%
Net Earnings	$111.4M	$107.0M	$171.9M
YoY Change	-266.81%	-37.76%	86.55%
Net Earnings / Revenue	38.78%	36.81%	60.0%
Basic Earnings Per Share	$0.39	$0.37	$0.61
Diluted Earnings Per Share	$0.38	$0.37	$0.60
COMMON SHARES
Basic Shares Outstanding	285.5M	284.7M	281.9M
Diluted Shares Outstanding	293.2M shares

Balance Sheet

Concept	2021 Q1	2020 Q4	2019 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.029B	$1.300B	$1.289B
YoY Change	-35.24%	0.87%	12.42%
Cash & Equivalents	$351.2M	$563.2M	$478.4M
Short-Term Investments	$678.3M	$736.7M	$810.2M
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$453.0M	$659.0M	$542.0M
YoY Change	-47.99%	21.59%	80.67%
LONG-TERM ASSETS
Property, Plant & Equipment	$2.245B	$2.271B	$2.266B
YoY Change	-0.36%	0.22%	-18.64%
Goodwill	$259.8M	$259.8M	$259.8M
YoY Change	0.0%	0.0%	0.0%
Intangibles	$66.77M	$70.12M	$85.70M
YoY Change	-18.58%	-18.18%	-40.91%
Long-Term Investments	$71.14M	$62.72M	$57.58M
YoY Change	23.74%	8.92%	-60.58%
Other Assets	$119.0M	$159.0M	$96.00M
YoY Change	-0.83%	65.63%	-61.29%
Total Long-Term Assets	$79.25B	$80.21B	$77.50B
YoY Change	3.32%	3.5%	14.03%
TOTAL ASSETS
Total Short-Term Assets	$453.0M	$659.0M	$542.0M
Total Long-Term Assets	$79.25B	$80.21B	$77.50B
Total Assets	$79.70B	$80.87B	$78.04B
YoY Change	2.74%	3.63%	14.33%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$178.0M	$207.0M	$212.0M
YoY Change	-19.82%	-2.36%	-2.75%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$6.947B	$657.0M	$480.0M
YoY Change	3239.9%	36.88%	-15.04%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$7.300B	$1.041B	$870.0M
YoY Change	1102.64%	19.66%	-9.47%
LONG-TERM LIABILITIES
Long-Term Debt	$6.615B	$12.15B	$11.28B
YoY Change	-46.4%	7.72%	10.71%
Other Long-Term Liabilities	$60.93B	$62.82B	$60.75B
YoY Change	1.87%	3.4%	16.36%
Total Long-Term Liabilities	$67.55B	$74.97B	$72.03B
YoY Change	-6.38%	4.08%	15.44%
TOTAL LIABILITIES
Total Short-Term Liabilities	$7.300B	$1.041B	$870.0M
Total Long-Term Liabilities	$67.55B	$74.97B	$72.03B
Total Liabilities	$74.85B	$76.01B	$72.91B
YoY Change	2.87%	4.26%	15.06%
SHAREHOLDERS EQUITY
Retained Earnings	-$654.8M	-$629.7M	-$381.7M
YoY Change	6.16%	64.97%	9.38%
Common Stock	$5.228B	$5.213B	$5.135B
YoY Change	1.28%	1.5%	2.75%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$4.477B	$4.489B	$4.700B
YoY Change
Total Liabilities & Shareholders Equity	$79.70B	$80.87B	$78.04B
YoY Change	2.74%	3.63%	14.33%

Cashflow Statement

Concept	2021 Q1	2020 Q4	2019 Q4
OPERATING ACTIVITIES
Net Income	$111.4M	$107.0M	$171.9M
YoY Change	-266.81%	-37.76%	86.55%
Depreciation, Depletion And Amortization	$22.50M	$23.60M	$27.20M
YoY Change	-5.86%	-13.24%	-6.21%
Cash From Operating Activities	$270.8M	$519.4M	$556.6M
YoY Change	41.96%	-6.68%	35.46%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions			$507.6M
YoY Change
Other Investing Activities	-$1.119B	-$341.8M	-$1.174B
YoY Change	146.41%	-70.89%	984.03%
Cash From Investing Activities	-$1.119B	-$341.8M	-$1.174B
YoY Change	146.42%	-70.89%	984.03%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$262.0K
YoY Change	-99.09%
Debt Paid & Issued, Net	$2.001B
YoY Change	4.03%
Cash From Financing Activities	$597.2M	33.20M	795.6M
YoY Change	-3.68%	-95.83%	-486.78%
NET CHANGE
Cash From Operating Activities	$270.8M	519.4M	556.6M
Cash From Investing Activities	-$1.119B	-341.8M	-1.174B
Cash From Financing Activities	$597.2M	33.20M	795.6M
Net Change In Cash	-$251.2M	210.8M	178.2M
YoY Change	-170.44%	18.29%	83.9%
FREE CASH FLOW
Cash From Operating Activities	$270.8M	$519.4M	$556.6M
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020Q4	us-gaap	Preferred Stock Value PreferredStockValue
CY2019Q4	us-gaap	Preferred Stock Value PreferredStockValue
CY2020	stwd	Non Credit Portion Of Other Than Temporary Impairment Losses Recognized In Other Comprehensive Income NonCreditPortionOfOtherThanTemporaryImpairmentLossesRecognizedInOtherComprehensiveIncome
CY2018	stwd	Non Credit Portion Of Other Than Temporary Impairment Losses Recognized In Other Comprehensive Income NonCreditPortionOfOtherThanTemporaryImpairmentLossesRecognizedInOtherComprehensiveIncome
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0001465128
CY2019Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	12000000
CY2019Q1	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	us-gaap:AccountsPayableAndAccruedLiabilitiesMember
CY2019Q1	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	us-gaap:OtherAssetsMember
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	0
CY2020Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	us-gaap:AccountsPayableAndAccruedLiabilitiesMember
CY2020Q4	us-gaap	Sec Schedule Iii Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Land SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionLand	0
CY2020	dei	Amendment Flag AmendmentFlag	false
CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	001-34436
CY2020	dei	Entity Registrant Name EntityRegistrantName	Starwood Property Trust, Inc.
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	27-0247747
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	591 West Putnam Avenue
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Greenwich
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	CT
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	06830
CY2020	dei	City Area Code CityAreaCode	203
CY2020	dei	Local Phone Number LocalPhoneNumber	422-7700
CY2020	dei	Security12b Title Security12bTitle	Common Stock, $0.01 par value per share
CY2020	dei	Trading Symbol TradingSymbol	STWD
CY2020	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2020	dei	Entity Small Business EntitySmallBusiness	false
CY2020	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2020	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2020	dei	Entity Shell Company EntityShellCompany	false
CY2020Q2	dei	Entity Public Float EntityPublicFloat	4069113253
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CY2020Q4	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	90684000
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CY2020Q4	stwd	Allowance For Credit Loss Marketable Securities AllowanceForCreditLossMarketableSecurities	5675000
CY2019Q4	stwd	Allowance For Credit Loss Marketable Securities AllowanceForCreditLossMarketableSecurities	0
CY2020Q4	stwd	Marketable Securities Fair Value Disclosure MarketableSecuritiesFairValueDisclosure	198053000
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CY2019	us-gaap	Servicing Asset At Fair Value Period Increase Decrease ServicingAssetAtFairValuePeriodIncreaseDecrease	-3640000
CY2018	us-gaap	Servicing Asset At Fair Value Period Increase Decrease ServicingAssetAtFairValuePeriodIncreaseDecrease	-10202000
CY2020	us-gaap	Marketable Securities Unrealized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments	5393000
CY2019	us-gaap	Marketable Securities Unrealized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments	833000
CY2018	us-gaap	Marketable Securities Unrealized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments	10345000
CY2020	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	133124000
CY2019	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	71601000
CY2018	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	40522000
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	37317000
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-101354000
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	10540000
CY2020	stwd	Gain Loss On Sale Of Investments Net GainLossOnSaleOfInvestmentsNet	7310000
CY2018	stwd	Gain Loss On Sale Of Investments Net GainLossOnSaleOfInvestmentsNet	59044000
CY2020	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-82178000
CY2019	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-6310000
CY2018	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	34603000
CY2020	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	42395000
CY2019	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	17582000
CY2018	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-9245000
CY2019	us-gaap	Impairment Of Investments ImpairmentOfInvestments	267000
CY2019	stwd	Non Credit Portion Of Other Than Temporary Impairment Losses Recognized In Other Comprehensive Income NonCreditPortionOfOtherThanTemporaryImpairmentLossesRecognizedInOtherComprehensiveIncome	-267000
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.42
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-3654000
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-19270000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	509664000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	385830000
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.16
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.81
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.44
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.16
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.79
CY2019	stwd	Gain Loss On Sale Of Investments Net GainLossOnSaleOfInvestmentsNet	188028000
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-5808000
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	281000
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-207000
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-812000
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	214531000
CY2019	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	383572000
CY2018	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	294879000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	386278000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	550167000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	426527000
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20197000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13232000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15330000
CY2020	us-gaap	Profit Loss ProfitLoss	366081000
CY2019	us-gaap	Profit Loss ProfitLoss	536935000
CY2018	us-gaap	Profit Loss ProfitLoss	411197000
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	34392000
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	27271000
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	25367000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	331689000
CY2020	us-gaap	Profit Loss ProfitLoss	366081000
CY2019	us-gaap	Profit Loss ProfitLoss	536935000
CY2018	us-gaap	Profit Loss ProfitLoss	411197000
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-25000
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-6939000
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-2519000
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-4374000
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-5209000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-7728000
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-11264000
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	359142000
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	529207000
CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	399933000
CY2020	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	34392000
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-6865000
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-6939000
CY2018	us-gaap	Profit Loss ProfitLoss	411197000
CY2017	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.92
CY2018	us-gaap	Dividends Common Stock DividendsCommonStock	517516000
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-11264000
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	27271000
CY2018	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	25367000
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	324750000
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	501936000
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	374566000
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4579201000
CY2018	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	608000
CY2018	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	22000
CY2018	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	12090000
CY2018	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	22758000
CY2018	us-gaap	Stock Issued During Period Value Issued For Services StockIssuedDuringPeriodValueIssuedForServices	20792000
CY2018	stwd	Noncontrolling Interests Increase Decrease From Variable Interest Entity NoncontrollingInterestsIncreaseDecreaseFromVariableInterestEntity	-5669000
CY2018	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	430033000
CY2018	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	256404000
CY2018	stwd	Minority Interest Decrease From Sale Of Controlling Interest In Majority Owned Property Asset MinorityInterestDecreaseFromSaleOfControllingInterestInMajorityOwnedPropertyAsset	319000
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4900189000
CY2019	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	767000
CY2019	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	27000
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	36155000
CY2019	us-gaap	Stock Issued During Period Value Issued For Services StockIssuedDuringPeriodValueIssuedForServices	11915000
CY2019	us-gaap	Profit Loss ProfitLoss	536935000
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.92
CY2019	us-gaap	Dividends Common Stock DividendsCommonStock	542385000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-7728000
CY2019	stwd	Noncontrolling Interests Increase Decrease From Variable Interest Entity NoncontrollingInterestsIncreaseDecreaseFromVariableInterestEntity	-2808000
CY2019	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	186397000
CY2019	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	49958000
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5137014000
CY2020	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	1098000
CY2020	stwd	Redemption Of Units For Common Stock Value RedemptionOfUnitsForCommonStockValue	-1309000
CY2020	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	95000
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	33828000
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	31241000
CY2020	us-gaap	Stock Issued During Period Value Issued For Services StockIssuedDuringPeriodValueIssuedForServices	36046000
CY2020	us-gaap	Profit Loss ProfitLoss	366081000
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.92
CY2020	us-gaap	Dividends Common Stock DividendsCommonStock	547417000
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-6939000
CY2020	stwd	Noncontrolling Interests Increase Decrease From Variable Interest Entity NoncontrollingInterestsIncreaseDecreaseFromVariableInterestEntity	-2178000
CY2020	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	13351000
CY2020	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	98203000
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4862576000
CY2020	us-gaap	Profit Loss ProfitLoss	366081000
CY2019	us-gaap	Profit Loss ProfitLoss	536935000
CY2018	us-gaap	Profit Loss ProfitLoss	411197000
CY2020	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	40131000
CY2019	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	36088000
CY2018	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	27832000
CY2020	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	7939000
CY2019	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	7760000
CY2018	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	11785000
CY2020	stwd	Provision For Loan Losses Net ProvisionForLoanLossesNet	43153000
CY2019	stwd	Provision For Loan Losses Net ProvisionForLoanLossesNet	7126000
CY2018	stwd	Provision For Loan Losses Net ProvisionForLoanLossesNet	34821000
CY2020	stwd	Depreciation And Amortization Excluding Amortization Of Above Below Market Leases DepreciationAndAmortizationExcludingAmortizationOfAboveBelowMarketLeases	94154000
CY2019	stwd	Depreciation And Amortization Excluding Amortization Of Above Below Market Leases DepreciationAndAmortizationExcludingAmortizationOfAboveBelowMarketLeases	113394000
CY2020	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	12818000
CY2019	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	11791000
CY2018	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	15253000
CY2020	stwd	Accretion Of Net Deferred Loan Fees And Discounts AccretionOfNetDeferredLoanFeesAndDiscounts	42199000
CY2019	stwd	Accretion Of Net Deferred Loan Fees And Discounts AccretionOfNetDeferredLoanFeesAndDiscounts	35387000
CY2018	stwd	Accretion Of Net Deferred Loan Fees And Discounts AccretionOfNetDeferredLoanFeesAndDiscounts	38099000
CY2020	stwd	Share Based Compensation And Nonemployee Services Transaction Expense ShareBasedCompensationAndNonemployeeServicesTransactionExpense	31241000
CY2019	stwd	Share Based Compensation And Nonemployee Services Transaction Expense ShareBasedCompensationAndNonemployeeServicesTransactionExpense	36155000
CY2018	stwd	Share Based Compensation And Nonemployee Services Transaction Expense ShareBasedCompensationAndNonemployeeServicesTransactionExpense	22758000
CY2020	stwd	Incentive Fee Compensation IncentiveFeeCompensation	36046000
CY2019	stwd	Incentive Fee Compensation IncentiveFeeCompensation	11915000
CY2018	stwd	Incentive Fee Compensation IncentiveFeeCompensation	20792000
CY2020	us-gaap	Marketable Securities Unrealized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments	5393000
CY2019	us-gaap	Marketable Securities Unrealized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments	833000
CY2018	us-gaap	Marketable Securities Unrealized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments	10345000
CY2020	stwd	Change In Fair Value Of Consolidated Variable Interest Entity ChangeInFairValueOfConsolidatedVariableInterestEntity	-58160000
CY2019	stwd	Change In Fair Value Of Consolidated Variable Interest Entity ChangeInFairValueOfConsolidatedVariableInterestEntity	67798000
CY2018	stwd	Change In Fair Value Of Consolidated Variable Interest Entity ChangeInFairValueOfConsolidatedVariableInterestEntity	17408000
CY2020	stwd	Change In Fair Value Of Servicing Rights ChangeInFairValueOfServicingRights	-3715000
CY2019	stwd	Change In Fair Value Of Servicing Rights ChangeInFairValueOfServicingRights	-3640000
CY2018	stwd	Change In Fair Value Of Servicing Rights ChangeInFairValueOfServicingRights	-10202000
CY2020	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	133124000
CY2019	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	71601000
CY2018	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	40522000
CY2020	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-88544000
CY2019	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-11441000
CY2018	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	30828000
CY2020	stwd	Foreign Currency Transaction Gain Loss Before Tax Cash Flow Impact ForeignCurrencyTransactionGainLossBeforeTaxCashFlowImpact	42395000
CY2019	stwd	Foreign Currency Transaction Gain Loss Before Tax Cash Flow Impact ForeignCurrencyTransactionGainLossBeforeTaxCashFlowImpact	17582000
CY2018	stwd	Foreign Currency Transaction Gain Loss Before Tax Cash Flow Impact ForeignCurrencyTransactionGainLossBeforeTaxCashFlowImpact	-9158000
CY2020	stwd	Gain On Sale Of Investments Cash Flow GainOnSaleOfInvestmentsCashFlow	7310000
CY2019	stwd	Gain On Sale Of Investments Cash Flow GainOnSaleOfInvestmentsCashFlow	188028000
CY2018	stwd	Gain On Sale Of Investments Cash Flow GainOnSaleOfInvestmentsCashFlow	59044000
CY2019	stwd	Lease Intangibles And Other Assets Impairment Charges LeaseIntangiblesAndOtherAssetsImpairmentCharges	1494000
CY2018	stwd	Lease Intangibles And Other Assets Impairment Charges LeaseIntangiblesAndOtherAssetsImpairmentCharges	1869000
CY2018	stwd	Depreciation And Amortization Excluding Amortization Of Above Below Market Leases DepreciationAndAmortizationExcludingAmortizationOfAboveBelowMarketLeases	130838000
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	37317000
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-101354000
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	10540000
CY2020	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	2978000
CY2019	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	11631000
CY2018	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	5917000
CY2020	us-gaap	Payments To Acquire Loans Held For Investment PaymentsToAcquireLoansHeldForInvestment	3133196000
CY2019	us-gaap	Payments To Acquire Loans Held For Investment PaymentsToAcquireLoansHeldForInvestment	5473399000
CY2018	us-gaap	Payments To Acquire Loans Held For Investment PaymentsToAcquireLoansHeldForInvestment	4428891000
CY2020	us-gaap	Proceeds From Loan And Lease Originations And Principal Collections1 ProceedsFromLoanAndLeaseOriginationsAndPrincipalCollections1	1696244000
CY2019	us-gaap	Proceeds From Loan And Lease Originations And Principal Collections1 ProceedsFromLoanAndLeaseOriginationsAndPrincipalCollections1	3132368000
CY2018	us-gaap	Proceeds From Loan And Lease Originations And Principal Collections1 ProceedsFromLoanAndLeaseOriginationsAndPrincipalCollections1	3057430000
CY2020	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	504231000
CY2019	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	1141411000
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-3654000
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-19270000
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-5808000
CY2020	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	2074678000
CY2019	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	3543503000
CY2018	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	2105232000
CY2020	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	2802118000
CY2019	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	3177640000
CY2018	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	2246989000
CY2020	us-gaap	Increase Decrease In Due To Related Parties IncreaseDecreaseInDueToRelatedParties	-1755000
CY2019	us-gaap	Increase Decrease In Due To Related Parties IncreaseDecreaseInDueToRelatedParties	-3118000
CY2018	us-gaap	Increase Decrease In Due To Related Parties IncreaseDecreaseInDueToRelatedParties	1674000
CY2020	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	175287000
CY2019	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	114156000
CY2018	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	62261000
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-282000
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	29787000
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-8207000
CY2020	us-gaap	Increase Decrease In Accounts Payable And Other Operating Liabilities IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities	-372000
CY2019	us-gaap	Increase Decrease In Accounts Payable And Other Operating Liabilities IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities	-5458000
CY2018	us-gaap	Increase Decrease In Accounts Payable And Other Operating Liabilities IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities	25155000
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1045548000
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-13199000
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	585470000
CY2018	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	835849000
CY2020	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	22408000
CY2019	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	98258000
CY2018	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	492400000
CY2020	stwd	Proceeds From Sales Of Investment Securities ProceedsFromSalesOfInvestmentSecurities	7940000
CY2019	stwd	Proceeds From Sales Of Investment Securities ProceedsFromSalesOfInvestmentSecurities	7326000
CY2018	stwd	Proceeds From Sales Of Investment Securities ProceedsFromSalesOfInvestmentSecurities	16427000
CY2020	stwd	Proceeds From Principal Collections On Investment Securities ProceedsFromPrincipalCollectionsOnInvestmentSecurities	83533000
CY2019	stwd	Proceeds From Principal Collections On Investment Securities ProceedsFromPrincipalCollectionsOnInvestmentSecurities	205660000
CY2018	stwd	Proceeds From Principal Collections On Investment Securities ProceedsFromPrincipalCollectionsOnInvestmentSecurities	382924000
CY2018	stwd	Payment For Infrastructure Lending Business Combination PaymentForInfrastructureLendingBusinessCombination	2158553000
CY2020	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	24541000
CY2019	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	343896000
CY2018	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	311874000
CY2020	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	25164000
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	538424000
CY2019	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	30865000
CY2018	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	54772000
CY2020	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	3133000
CY2019	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	18055000
CY2018	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	3100000
CY2020	stwd	Proceeds From Sale Of Interest In Unconsolidated Entities ProceedsFromSaleOfInterestInUnconsolidatedEntities	10313000
CY2020	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	3422000
CY2019	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	18127000
CY2018	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	21461000
CY2020	us-gaap	Payments For Derivative Instrument Investing Activities PaymentsForDerivativeInstrumentInvestingActivities	74801000
CY2019	us-gaap	Payments For Derivative Instrument Investing Activities PaymentsForDerivativeInstrumentInvestingActivities	42835000
CY2018	us-gaap	Payments For Derivative Instrument Investing Activities PaymentsForDerivativeInstrumentInvestingActivities	29581000
CY2020	us-gaap	Proceeds From Derivative Instrument Investing Activities ProceedsFromDerivativeInstrumentInvestingActivities	16673000
CY2019	us-gaap	Proceeds From Derivative Instrument Investing Activities ProceedsFromDerivativeInstrumentInvestingActivities	38756000
CY2018	us-gaap	Proceeds From Derivative Instrument Investing Activities ProceedsFromDerivativeInstrumentInvestingActivities	20523000
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-911805000
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-775868000
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2520809000
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	7100563000
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	10167339000
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	9412715000
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	6137778000
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	8671085000
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	6360610000
CY2020	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	27122000
CY2019	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	72438000
CY2018	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	67218000
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1098000
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	767000
CY2018	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	608000
CY2020	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	95000
CY2019	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	27000
CY2018	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	22000
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	546885000
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	509966000
CY2020	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	11775000
CY2019	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	183520000
CY2018	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	13407000
CY2020	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	99512000
CY2019	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	49958000
CY2018	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	256404000
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	33828000
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	12090000
CY2020	stwd	Proceeds From Issuance Of Debt Of Consolidated Variable Interest Entities ProceedsFromIssuanceOfDebtOfConsolidatedVariableInterestEntities	187494000
CY2019	stwd	Proceeds From Issuance Of Debt Of Consolidated Variable Interest Entities ProceedsFromIssuanceOfDebtOfConsolidatedVariableInterestEntities	184540000
CY2018	stwd	Proceeds From Issuance Of Debt Of Consolidated Variable Interest Entities ProceedsFromIssuanceOfDebtOfConsolidatedVariableInterestEntities	102474000
CY2019	stwd	Variable Interest Entity Consolidation Fair Value Of Assets Acquired VariableInterestEntityConsolidationFairValueOfAssetsAcquired	2877000
CY2020	stwd	Repayments Of Debt Of Consolidated Variable Interest Entities RepaymentsOfDebtOfConsolidatedVariableInterestEntities	522348000
CY2019	stwd	Repayments Of Debt Of Consolidated Variable Interest Entities RepaymentsOfDebtOfConsolidatedVariableInterestEntities	373155000
CY2018	stwd	Repayments Of Debt Of Consolidated Variable Interest Entities RepaymentsOfDebtOfConsolidatedVariableInterestEntities	410453000
CY2020	us-gaap	Proceeds From Contributions From Affiliates ProceedsFromContributionsFromAffiliates	79921000
CY2019	us-gaap	Proceeds From Contributions From Affiliates ProceedsFromContributionsFromAffiliates	45642000
CY2018	us-gaap	Proceeds From Contributions From Affiliates ProceedsFromContributionsFromAffiliates	92283000
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	13283000
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	876721000
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	2004724000
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	147026000
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	87654000
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	69385000
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	574031000
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	487865000
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	418273000
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1105000
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-1488000
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	207000
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	722162000
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	574031000
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	487865000
CY2020	us-gaap	Interest Paid Net InterestPaidNet	379949000
CY2019	us-gaap	Interest Paid Net InterestPaidNet	481483000
CY2018	us-gaap	Interest Paid Net InterestPaidNet	337605000
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	11369000
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	11284000
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	10900000
CY2020Q4	stwd	Dividendspayablecurrentandnoncurrentdividendsdeclaredduringperiod Dividendspayablecurrentandnoncurrentdividendsdeclaredduringperiod	138075000
CY2019Q4	stwd	Dividendspayablecurrentandnoncurrentdividendsdeclaredduringperiod Dividendspayablecurrentandnoncurrentdividendsdeclaredduringperiod	136715000
CY2018Q4	stwd	Dividendspayablecurrentandnoncurrentdividendsdeclaredduringperiod Dividendspayablecurrentandnoncurrentdividendsdeclaredduringperiod	133237000
CY2020	stwd	Variable Interest Entity Consolidation In Non Cash Investing And Financing Activities VariableInterestEntityConsolidationInNonCashInvestingAndFinancingActivities	4665636000
CY2019	stwd	Variable Interest Entity Consolidation In Non Cash Investing And Financing Activities VariableInterestEntityConsolidationInNonCashInvestingAndFinancingActivities	10368817000
CY2018	stwd	Variable Interest Entity Consolidation In Non Cash Investing And Financing Activities VariableInterestEntityConsolidationInNonCashInvestingAndFinancingActivities	9885200000
CY2020	stwd	Variable Interest Entity Deconsolidation In Non Cash Investing And Financing Activities VariableInterestEntityDeconsolidationInNonCashInvestingAndFinancingActivities	32270000
CY2019	stwd	Variable Interest Entity Deconsolidation In Non Cash Investing And Financing Activities VariableInterestEntityDeconsolidationInNonCashInvestingAndFinancingActivities	377071000
CY2018	stwd	Variable Interest Entity Deconsolidation In Non Cash Investing And Financing Activities VariableInterestEntityDeconsolidationInNonCashInvestingAndFinancingActivities	1649485000
CY2020	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	749995000
CY2020	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	104327000
CY2019	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	340948000
CY2020	stwd	Transfer Of Loans From Variable Interest Entity Assets To Loans Held For Sale Upon Redemption Of Securities TransferOfLoansFromVariableInterestEntityAssetsToLoansHeldForSaleUponRedemptionOfSecurities	176614000
CY2020	us-gaap	Notes Reduction NotesReduction	71488000
CY2019	us-gaap	Notes Reduction NotesReduction	53278000
CY2020	stwd	Net Assets Acquired Through Foreclosure NetAssetsAcquiredThroughForeclosure	34601000
CY2019	stwd	Net Assets Acquired Through Foreclosure NetAssetsAcquiredThroughForeclosure	44426000
CY2020	stwd	Loan Principal Collections Temporarily Held At Master Servicer LoanPrincipalCollectionsTemporarilyHeldAtMasterServicer	8538000
CY2019	stwd	Loan Principal Collections Temporarily Held At Master Servicer LoanPrincipalCollectionsTemporarilyHeldAtMasterServicer	21070000
CY2020	stwd	Variable Interest Entity Consolidation Fair Value Of Assets Acquired VariableInterestEntityConsolidationFairValueOfAssetsAcquired	1576000
CY2018	stwd	Variable Interest Entity Consolidation Fair Value Of Assets Acquired VariableInterestEntityConsolidationFairValueOfAssetsAcquired	416626000
CY2019	stwd	Redemption Of Units For Common Stock Value RedemptionOfUnitsForCommonStockValue	440966000
CY2019	stwd	Non Cash Contributions From Noncontrolling Interests NonCashContributionsFromNoncontrollingInterests	360049000
CY2019Q4	stwd	Assets From Real Estate Business Sale Net Of Cash AssetsFromRealEstateBusinessSaleNetOfCash	75525000
CY2018Q4	stwd	Assets From Real Estate Business Sale Net Of Cash AssetsFromRealEstateBusinessSaleNetOfCash	271243000
CY2019Q4	stwd	Liabilities From Real Estate Business Sale LiabilitiesFromRealEstateBusinessSale	74692000
CY2019	stwd	Settlement Of Loans Transferred As Secured Borrowings SettlementOfLoansTransferredAsSecuredBorrowings	9626000
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	8613000
CY2018	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	27737000
CY2018	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	2167652000
CY2018	us-gaap	Liabilities Assumed1 LiabilitiesAssumed1	9099000
CY2020	us-gaap	Nature Of Operations NatureOfOperations	<p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><b style="font-weight:bold;">1. Business and Organizatio</b><b style="font-weight:bold;">n</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;"><span style="font-size:7pt;visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;">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 both the United States (“U.S.”) and Europe. 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.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;"><span style="visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt 0pt 12pt 0pt;">We have four reportable business segments as of December 31, 2020 and we refer to the investments within these segments as our target assets:</p><table style="border-collapse:collapse;font-family:'Times New Roman','Times','serif';font-size:10pt;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;width:100%;border:0pt;"><tr><td style="width:36pt;"/><td style="font-family:'Times New Roman';font-size:10pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">●</td><td style="padding:0pt;"><span style="color:#000000;font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;text-align:left;">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 both the U.S. and Europe (including distressed or non-performing loans). Our residential loans are secured by a first mortgage lien on residential property and consist of non-agency residential mortgage loans that are not guaranteed by any U.S. Government agency or federally chartered corporation.</span></td></tr></table><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;"></span></p><table style="border-collapse:collapse;font-family:'Times New Roman','Times','serif';font-size:10pt;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;width:100%;border:0pt;"><tr><td style="width:36pt;"/><td style="font-family:'Times New Roman';font-size:10pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">●</td><td style="padding:0pt;"><span style="color:#000000;font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;text-align:left;">Infrastructure lending (the “Infrastructure Lending Segment”)—engages primarily in originating, acquiring, financing and managing infrastructure debt investments. </span></td></tr></table><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;"></span></p><table style="border-collapse:collapse;font-family:'Times New Roman','Times','serif';font-size:10pt;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;width:100%;border:0pt;"><tr><td style="width:36pt;"/><td style="font-family:'Times New Roman';font-size:10pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">●</td><td style="padding:0pt;"><span style="color:#000000;font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;text-align:left;">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></td></tr></table><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;"></span></p><table style="border-collapse:collapse;font-family:'Times New Roman','Times','serif';font-size:10pt;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;width:100%;border:0pt;"><tr><td style="width:36pt;"/><td style="font-family:'Times New Roman';font-size:10pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">●</td><td style="padding:0pt;"><span style="color:#000000;font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;text-align:left;">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></td></tr></table><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;">Our segments exclude the consolidation of securitization variable interest entities (“VIEs”).</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;">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.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;"><span style="visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt 0pt 12pt 0pt;">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, a privately-held private equity firm founded by Mr. Sternlicht.</p>
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4
CY2020	stwd	Percentage Of Annual Reit Taxable Income Distributable To Stockholders Minimum PercentageOfAnnualREITTaxableIncomeDistributableToStockholdersMinimum	0.90
CY2020Q4	stwd	Reo Assets As Percent Of Consolidated Vie Assets ReoAssetsAsPercentOfConsolidatedVieAssets	0.01
CY2020Q4	stwd	Loans As Percent Of Consolidated Vie Assets LoansAsPercentOfConsolidatedVieAssets	0.99
CY2020Q4	stwd	Permitted Reinvestment Under Static Investment In Variable Interest Entity PermittedReinvestmentUnderStaticInvestmentInVariableInterestEntity	0
CY2019Q4	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	0
CY2020Q4	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	0
CY2019Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	12000000.0
CY2020	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt 0pt 12pt 0pt;"><span style="font-style:italic;font-weight:bold;">Concentration of Credit Risk</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt 0pt 12pt 0pt;">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.</p>
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt 0pt 12pt 0pt;"><span style="font-style:italic;font-weight:bold;">Use of Estimates</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;">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 financial 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.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;"><span style="visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;"><span style="white-space:pre-wrap;">The outbreak of COVID-19 beginning in the first quarter of 2020 has had, and is expected to continue to have, an adverse impact on economic and market conditions and trigger a period of global economic slowdown. The rapid development and fluidity of this situation precludes any prediction as to the ultimate adverse impact of COVID-19 on economic and market conditions. We believe the estimates and assumptions underlying our consolidated financial statements are reasonable and supportable based on the information available as of December 31, 2020. However, uncertainty over the ultimate impact COVID-19 will have on the global economy generally, and our business in particular, makes any estimates and assumptions as of December 31, 2020 inherently less certain than they would be absent the current and potential impacts of COVID-19. Actual results may ultimately differ from those estimates.</span></p>
CY2020Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	89323000
CY2019Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	37912000
CY2020Q4	us-gaap	Restricted Cash RestrictedCash	42992000
CY2019Q4	us-gaap	Restricted Cash RestrictedCash	40818000
CY2020Q4	stwd	Restricted Cash Funds Held In Escrow On Behalf Of Others RestrictedCashFundsHeldInEscrowOnBehalfOfOthers	19517000
CY2019Q4	stwd	Restricted Cash Funds Held In Escrow On Behalf Of Others RestrictedCashFundsHeldInEscrowOnBehalfOfOthers	11903000
CY2020Q4	stwd	Other Restricted Cash And Cash Equivalents OtherRestrictedCashAndCashEquivalents	7113000
CY2019Q4	stwd	Other Restricted Cash And Cash Equivalents OtherRestrictedCashAndCashEquivalents	5010000
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	158945000
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	95643000
CY2020Q4	stwd	Mortgage Loans On Real Estate Gross Carrying Amount Of Mortgages MortgageLoansOnRealEstateGrossCarryingAmountOfMortgages	12217352000
CY2020Q4	stwd	Mortgage Loans On Real Estate Principal Amount Of Mortgages MortgageLoansOnRealEstatePrincipalAmountOfMortgages	12262840000
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	77444000
CY2020Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	12139908000
CY2019Q4	stwd	Mortgage Loans On Real Estate Gross Carrying Amount Of Mortgages MortgageLoansOnRealEstateGrossCarryingAmountOfMortgages	11503835000
CY2019Q4	stwd	Mortgage Loans On Real Estate Principal Amount Of Mortgages MortgageLoansOnRealEstatePrincipalAmountOfMortgages	11530915000
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	33611000
CY2019Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	11470224000
CY2019	us-gaap	Proceeds From Distributions Received From Real Estate Partnerships ProceedsFromDistributionsReceivedFromRealEstatePartnerships	0
CY2020	us-gaap	Proceeds From Distributions Received From Real Estate Partnerships ProceedsFromDistributionsReceivedFromRealEstatePartnerships	0
CY2020Q4	us-gaap	Loans Receivable With Variable Rates Of Interest1 LoansReceivableWithVariableRatesOfInterest1	10423863000
CY2020Q4	us-gaap	Loans Receivable Basis Spread On Variable Rate LoansReceivableBasisSpreadOnVariableRate	0.042
CY2020Q4	stwd	Mortgage Loans On Real Estate Gross Carrying Amount Of Mortgages MortgageLoansOnRealEstateGrossCarryingAmountOfMortgages	12217352000
CY2020Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	77444000
CY2019Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	11470224000
CY2020	us-gaap	Mortgage Loans On Real Estate New Mortgage Loans MortgageLoansOnRealEstateNewMortgageLoans	5337399000
CY2020	stwd	Mortgage Loans On Real Estate Capitalized Interest MortgageLoansOnRealEstateCapitalizedInterest	144013000
CY2020	us-gaap	Mortgage Loans On Real Estate Cost Of Mortgages Sold MortgageLoansOnRealEstateCostOfMortgagesSold	3307003000
CY2020	srt	Mortgage Loans On Real Estate Collections Of Principal MortgageLoansOnRealEstateCollectionsOfPrincipal	1821196000
CY2020	stwd	Mortgage Loans On Real Estate Discount Accretion And Premium Amortization MortgageLoansOnRealEstateDiscountAccretionAndPremiumAmortization	42199000
CY2020	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	133124000
CY2020	stwd	Mortgage Loans On Real Estate Unrealized Foreign Currency Remeasurement Gain Loss MortgageLoansOnRealEstateUnrealizedForeignCurrencyRemeasurementGainLoss	-102553000
CY2020	us-gaap	Allowance For Loan And Lease Losses Period Increase Decrease AllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease	46091000
CY2020	stwd	Mortgage Loans On Real Estate Transfers MortgageLoansOnRealEstateTransfers	105126000
CY2020Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	12139908000
CY2018Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	9794254000
CY2019	us-gaap	Mortgage Loans On Real Estate New Mortgage Loans MortgageLoansOnRealEstateNewMortgageLoans	9094714000
CY2019	stwd	Mortgage Loans On Real Estate Capitalized Interest MortgageLoansOnRealEstateCapitalizedInterest	110632000
CY2019	us-gaap	Mortgage Loans On Real Estate Cost Of Mortgages Sold MortgageLoansOnRealEstateCostOfMortgagesSold	4311390000
CY2019	srt	Mortgage Loans On Real Estate Collections Of Principal MortgageLoansOnRealEstateCollectionsOfPrincipal	3304838000
CY2019	stwd	Mortgage Loans On Real Estate Discount Accretion And Premium Amortization MortgageLoansOnRealEstateDiscountAccretionAndPremiumAmortization	35387000
CY2019	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	71601000
CY2019	stwd	Mortgage Loans On Real Estate Unrealized Foreign Currency Remeasurement Gain Loss MortgageLoansOnRealEstateUnrealizedForeignCurrencyRemeasurementGainLoss	-40155000
CY2019	us-gaap	Allowance For Loan And Lease Losses Period Increase Decrease AllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease	7126000
CY2019	stwd	Mortgage Loans On Real Estate Write Off Of Capitalized Cost MortgageLoansOnRealEstateWriteOffOfCapitalizedCost	27303000
CY2019	stwd	Mortgage Loans On Real Estate Transfers MortgageLoansOnRealEstateTransfers	-25862000
CY2019Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	11470224000
CY2017Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	7382641000
CY2018	us-gaap	Mortgage Loans On Real Estate New Mortgage Loans MortgageLoansOnRealEstateNewMortgageLoans	6723144000
CY2018	stwd	Mortgage Loans On Real Estate Acquisitions MortgageLoansOnRealEstateAcquisitions	1969340000
CY2018	stwd	Mortgage Loans On Real Estate Capitalized Interest MortgageLoansOnRealEstateCapitalizedInterest	63047000
CY2018	us-gaap	Mortgage Loans On Real Estate Cost Of Mortgages Sold MortgageLoansOnRealEstateCostOfMortgagesSold	3082347000
CY2018	srt	Mortgage Loans On Real Estate Collections Of Principal MortgageLoansOnRealEstateCollectionsOfPrincipal	3272666000
CY2018	stwd	Mortgage Loans On Real Estate Discount Accretion And Premium Amortization MortgageLoansOnRealEstateDiscountAccretionAndPremiumAmortization	38099000
CY2018	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	40522000
CY2018	stwd	Mortgage Loans On Real Estate Unrealized Foreign Currency Remeasurement Gain Loss MortgageLoansOnRealEstateUnrealizedForeignCurrencyRemeasurementGainLoss	32341000
CY2018	us-gaap	Allowance For Loan And Lease Losses Period Increase Decrease AllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease	34821000
CY2018	stwd	Mortgage Loans On Real Estate Transfers MortgageLoansOnRealEstateTransfers	-364000
CY2018Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	9794254000
CY2020Q4	us-gaap	Marketable Securities MarketableSecurities	736658000
CY2019Q4	us-gaap	Marketable Securities MarketableSecurities	810238000
CY2020	stwd	Purchase Of Marketable Securities PurchaseOfMarketableSecurities	22408000
CY2020	stwd	Sale Of Marketable Securities SaleOfMarketableSecurities	7940000
CY2020	stwd	Proceeds From Principal Collections On Investment Securities ProceedsFromPrincipalCollectionsOnInvestmentSecurities	83533000
CY2019	stwd	Purchase Of Marketable Securities PurchaseOfMarketableSecurities	98258000
CY2019	stwd	Sale Of Marketable Securities SaleOfMarketableSecurities	7326000
CY2019	stwd	Proceeds From Principal Collections On Investment Securities ProceedsFromPrincipalCollectionsOnInvestmentSecurities	205660000
CY2018	stwd	Purchase Of Marketable Securities PurchaseOfMarketableSecurities	492400000
CY2018	stwd	Acquisition Of Infrastructure Lending Portfolio AcquisitionOfInfrastructureLendingPortfolio	65060000
CY2018	stwd	Sale Of Marketable Securities SaleOfMarketableSecurities	16427000
CY2018	stwd	Proceeds From Principal Collections On Investment Securities ProceedsFromPrincipalCollectionsOnInvestmentSecurities	382924000
CY2020Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	544280000
CY2020Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	5675000
CY2020Q4	stwd	Debt Securities Held To Maturity Net DebtSecuritiesHeldToMaturityNet	538605000
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	847000
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	24199000
CY2020Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	515253000
CY2019Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	570638000
CY2019Q4	stwd	Debt Securities Held To Maturity Net DebtSecuritiesHeldToMaturityNet	570638000
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	2094000
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	4005000
CY2019Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	568727000
CY2020	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Purchased With Credit Deterioration Increase DebtSecuritiesHeldToMaturityAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease	1545000
CY2020Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	5675000
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	339059000
CY2020Q4	stwd	Held To Maturity Securities Debt Maturities After One Through Three Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughThreeYearsNetCarryingAmount	163865000
CY2020Q4	stwd	Held To Maturity Securities Debt Maturities After Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveYearsNetCarryingAmount	35681000
CY2020Q4	stwd	Debt Securities Held To Maturity Net DebtSecuritiesHeldToMaturityNet	538605000
CY2018	stwd	Minority Interest Previously Held By Purchaser Of Property MinorityInterestPreviouslyHeldByPurchaserOfProperty	300000
CY2020Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	170586000
CY2020	stwd	Investment In Equity Securities Percentage Ownership InvestmentInEquitySecuritiesPercentageOwnership	0.02
CY2020Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	2573296000
CY2019Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	2490630000
CY2020Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	302143000
CY2019Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	224190000
CY2020Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	2271153000
CY2019Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	2266440000
CY2020	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	7900000
CY2019	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	59700000
CY2018	stwd	Number Of Real Estate Properties Sold NumberOfRealEstatePropertiesSold	16
CY2018	us-gaap	Proceeds From Sale Of Real Estate ProceedsFromSaleOfRealEstate	313300000
CY2018	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	55100000
CY2019	stwd	Number Of Properties Acquired By Third Party Holding Minority Interest NumberOfPropertiesAcquiredByThirdPartyHoldingMinorityInterest	1
CY2020Q4	stwd	Operating Leases Future Minimum Payments Due Current Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueCurrentFutureMinimumSubleaseRentals	187924000
CY2020Q4	stwd	Operating Leases Future Minimum Payments Due Year Two Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueYearTwoFutureMinimumSubleaseRentals	103617000
CY2020Q4	stwd	Operating Leases Future Minimum Payments Due Year Three Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueYearThreeFutureMinimumSubleaseRentals	93914000
CY2020Q4	stwd	Operating Leases Future Minimum Payments Due Year Four Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueYearFourFutureMinimumSubleaseRentals	85964000
CY2020Q4	stwd	Operating Leases Future Minimum Payments Due Year Five Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueYearFiveFutureMinimumSubleaseRentals	78050000
CY2020Q4	stwd	Operating Leases Future Minimum Payments Due Thereafter Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueThereafterFutureMinimumSubleaseRentals	677142000
CY2020Q4	stwd	Future Minimum Payments Due Of Operating Leases Future Minimum Sublease Rentals FutureMinimumPaymentsDueOfOperatingLeasesFutureMinimumSubleaseRentals	1226611000
CY2020Q4	us-gaap	Equity Method Investments EquityMethodInvestments	62718000
CY2019Q4	us-gaap	Equity Method Investments EquityMethodInvestments	57583000
CY2020Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	45336000
CY2019Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	26746000
CY2020Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	108054000
CY2019Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	84329000
CY2020Q4	stwd	Number Of Publicly Traded Investments NumberOfPubliclyTradedInvestments	0
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	100469000
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	70117000
CY2019Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	176428000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	90728000
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	85700000
CY2019	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	360000
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	145033000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	7862000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	6115000
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	22553000
CY2019	us-gaap	Finite Lived Intangible Assets Foreign Currency Translation Gain Loss FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss	-1027000
CY2019	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	1244000
CY2019	stwd	Indefinite Lived Intangible Assets Adjustments For Change In Inputs And Assumptions IndefiniteLivedIntangibleAssetsAdjustmentsForChangeInInputsAndAssumptions	-3640000
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	85700000
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	11698000
CY2020	stwd	Intangible Assets Sold IntangibleAssetsSold	170000
CY2020	stwd	Indefinite Lived Intangible Assets Adjustments For Change In Inputs And Assumptions IndefiniteLivedIntangibleAssetsAdjustmentsForChangeInInputsAndAssumptions	-3715000
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	70117000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	9643000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	4722000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	3846000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	24727000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	56915000
CY2020Q4	us-gaap	Off Market Lease Unfavorable OffMarketLeaseUnfavorable	1900000
CY2019Q4	us-gaap	Off Market Lease Unfavorable OffMarketLeaseUnfavorable	2300000
CY2020	us-gaap	Debt Instrument Basis Spread On Variable Rate1 DebtInstrumentBasisSpreadOnVariableRate1	0.0200
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1750000000
CY2019Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1950000000
CY2020Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	5589000
CY2019Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	5624000
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	1732520000
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	1928622000
CY2020Q4	us-gaap	Debt Instrument Convertible Carrying Amount Of The Equity Component DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent	3755000
CY2019Q4	us-gaap	Debt Instrument Convertible Carrying Amount Of The Equity Component DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent	3755000
CY2020Q4	stwd	Debt Instrument Convertible Principal Amount For Conversion Ratio DebtInstrumentConvertiblePrincipalAmountForConversionRatio	1000
CY2020Q4	us-gaap	Share Price SharePrice	19.30
CY2019Q4	us-gaap	Share Price SharePrice	24.86
CY2018Q4	us-gaap	Share Price SharePrice	19.71
CY2020Q4	us-gaap	Derivative Number Of Instruments Held DerivativeNumberOfInstrumentsHeld	490
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
CY2020Q4	us-gaap	Derivative Assets DerivativeAssets	40555000
CY2019Q4	us-gaap	Derivative Assets DerivativeAssets	28943000
CY2020Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	41324000
CY2019Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	8740000
CY2020	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-82178000
CY2019	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-6310000
CY2018	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	34603000
CY2020Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Gross DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross	5850131000
CY2020Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned	5850131000
CY2020Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Securities DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities	5815523000
CY2020Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Cash DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimCash	27416000
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	7192000
CY2019Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Gross DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross	4618197000
CY2019Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned	4618197000
CY2019Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Securities DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities	4614769000
CY2019Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Cash DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimCash	292000
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	3136000
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	1626555
CY2020	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	21.93
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	25464
CY2020Q4	stwd	Number Of Collateralized Debt Obligation Structures Consolidated NumberOfCollateralizedDebtObligationStructuresConsolidated	0
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	100000000
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2014Q2	stwd	Common Stock Shares Authorized Under Dividend Reinvestment Plan CommonStockSharesAuthorizedUnderDividendReinvestmentPlan	11000000.0
CY2014Q2	stwd	Common Stock Value Authorized Under Atm Equity Offering Sales Agreement CommonStockValueAuthorizedUnderATMEquityOfferingSalesAgreement	500000000.0
CY2018	stwd	Stock Issued During Period Shares Atm Equity Offering Sales Agreement StockIssuedDuringPeriodSharesATMEquityOfferingSalesAgreement	0
CY2019	stwd	Stock Issued During Period Shares Atm Equity Offering Sales Agreement StockIssuedDuringPeriodSharesATMEquityOfferingSalesAgreement	0
CY2020	stwd	Stock Issued During Period Shares Atm Equity Offering Sales Agreement StockIssuedDuringPeriodSharesATMEquityOfferingSalesAgreement	0
CY2020Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	400000000.0
CY2020Q1	us-gaap	Stock Repurchase Program Period In Force1 StockRepurchaseProgramPeriodInForce1	P1Y
CY2020	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	2268551
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	33800000
CY2020Q4	us-gaap	Debt Instrument Repurchase Amount DebtInstrumentRepurchaseAmount	0
CY2020Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	366200000
CY2018	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	573255
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	12100000
CY2018Q4	us-gaap	Debt Instrument Repurchase Amount DebtInstrumentRepurchaseAmount	0
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	14.06
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	3881501
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
CY2019Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	17.26
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
CY2020	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	383000
CY2019	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	24.01
CY2019Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2019Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2019Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2018Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2018Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2018Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2018Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	65734000
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	46237000
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	43458000
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	2718767
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	22.74
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	2814753
CY2018	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	21.20
CY2020Q4	stwd	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Future Vesting In First Full Fiscal Year ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFutureVestingInFirstFullFiscalYear	1782537
CY2020Q4	stwd	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Future Vesting In Second Full Fiscal Year ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFutureVestingInSecondFullFiscalYear	1332783
CY2020Q4	stwd	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Future Vesting In Third Full Fiscal Year ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFutureVestingInThirdFullFiscalYear	766181
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	3881501
CY2020Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions	56100000
CY2020	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y2M12D
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
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	33200000
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	18300000
CY2020	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	331689000
CY2019	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	509664000
CY2018	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	385830000
CY2020	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	5216000
CY2019	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	3873000
CY2018	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	3592000
CY2020	stwd	Income Loss From Continuing Operations Basic IncomeLossFromContinuingOperationsBasic	326473000
CY2019	stwd	Income Loss From Continuing Operations Basic IncomeLossFromContinuingOperationsBasic	505791000
CY2018	stwd	Income Loss From Continuing Operations Basic IncomeLossFromContinuingOperationsBasic	382238000
CY2020	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	331689000
CY2019	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	509664000
CY2018	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	385830000
CY2020	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	5216000
CY2019	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	3873000
CY2018	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	3592000
CY2020	stwd	Income Loss From Continuing Operations Diluted IncomeLossFromContinuingOperationsDiluted	326473000
CY2019	stwd	Income Loss From Continuing Operations Diluted IncomeLossFromContinuingOperationsDiluted	518145000
CY2018	stwd	Income Loss From Continuing Operations Diluted IncomeLossFromContinuingOperationsDiluted	409485000
CY2020	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	281978000
CY2019	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	279337000
CY2018	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	265279000
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.81
CY2018	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	546000
CY2020	us-gaap	Incremental Common Shares Attributable To Nonvested Shares With Forfeitable Dividends IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends	122000
CY2019	us-gaap	Incremental Common Shares Attributable To Nonvested Shares With Forfeitable Dividends IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends	210000
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	282483000
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	289712000
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	288484000
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.16
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.44
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.16
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.79
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.42
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	69924000
CY2018	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-8247000
CY2018	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	3017000
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-11264000
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	58660000
CY2019	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-6125000
CY2019	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	1603000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-7728000
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	50932000
CY2020	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-6939000
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-6939000
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	43993000
CY2020Q4	stwd	Permitted Reinvestment Under Static Investment In Variable Interest Entity PermittedReinvestmentUnderStaticInvestmentInVariableInterestEntity	0
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	5690000
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1519000
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20197000
CY2020	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	58265000
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	281000
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	4917000
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	10508000
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3201000
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3182000
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3010000
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	195000
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	977000
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	293000
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	9086000
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	9076000
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	13811000
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	8213000
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	3869000
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	1189000
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	2898000
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	287000
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	330000
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	11111000
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	4156000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13232000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15330000
CY2020Q4	stwd	Deferred Tax Assets Lease Assets DeferredTaxAssetsLeaseAssets	310000
CY2019Q4	stwd	Deferred Tax Assets Lease Assets DeferredTaxAssetsLeaseAssets	1950000
CY2020Q4	stwd	Deferred Tax Assets Lease Liabilities DeferredTaxAssetsLeaseLiabilities	579000
CY2019Q4	stwd	Deferred Tax Assets Lease Liabilities DeferredTaxAssetsLeaseLiabilities	2752000
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	2908000
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	14020000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	900000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	1400000
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	81118000
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	115535000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	89571000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	stwd	Effective Income Tax Rate Net Operating Loss Carryback Rate Differential EffectiveIncomeTaxRateNetOperatingLossCarrybackRateDifferential	-0.009
CY2020	stwd	Income Tax Reconciliation Intra Entity Transfer IncomeTaxReconciliationIntraEntityTransfer	5385000
CY2020	stwd	Effective Income Tax Rate Reconciliation Intra Entity Transfer EffectiveIncomeTaxRateReconciliationIntraEntityTransfer	-0.014
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	184000
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	6268000
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.151
CY2019	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	106301000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.193
CY2018	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	77972000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.183
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	7509000
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.019
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3034000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.005
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3038000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.007
CY2020	stwd	Income Tax Reconciliation Federal Benefit Of State Tax Deduction IncomeTaxReconciliationFederalBenefitOfStateTaxDeduction	-1577000
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Deductions EffectiveIncomeTaxRateReconciliationDeductions	0.004
CY2019	stwd	Income Tax Reconciliation Federal Benefit Of State Tax Deduction IncomeTaxReconciliationFederalBenefitOfStateTaxDeduction	-637000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Deductions EffectiveIncomeTaxRateReconciliationDeductions	0.001
CY2018	stwd	Income Tax Reconciliation Federal Benefit Of State Tax Deduction IncomeTaxReconciliationFederalBenefitOfStateTaxDeduction	-638000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Deductions EffectiveIncomeTaxRateReconciliationDeductions	0.001
CY2020	stwd	Income Tax Reconciliation Net Operating Loss Carryback Rate Differential IncomeTaxReconciliationNetOperatingLossCarrybackRateDifferential	-3387000
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1601000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.003
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1331000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.003
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20197000
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.052
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13232000
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.024
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15330000
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.036
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	0
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	0
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	0
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	5571000
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	5634000
CY2018	us-gaap	Operating Lease Cost OperatingLeaseCost	4962000
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	42000
CY2019	us-gaap	Short Term Lease Cost ShortTermLeaseCost	115000
CY2018	us-gaap	Short Term Lease Cost ShortTermLeaseCost	210000
CY2020	us-gaap	Sublease Income SubleaseIncome	1509000
CY2019	us-gaap	Sublease Income SubleaseIncome	1613000
CY2018	us-gaap	Sublease Income SubleaseIncome	1643000
CY2020	us-gaap	Lease Cost LeaseCost	4104000
CY2019	us-gaap	Lease Cost LeaseCost	4136000
CY2018	us-gaap	Lease Cost LeaseCost	3529000
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	5215000
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.041
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.044
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	3480000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1272000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1281000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1290000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1350000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	4461000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	13134000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1691000
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	11443000
CY2020	us-gaap	Interest And Fee Income Loans Commercial InterestAndFeeIncomeLoansCommercial	751943000
CY2020	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	54412000
CY2020	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	29634000
CY2020	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	297828000
CY2020	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	2338000
CY2020	us-gaap	Revenues Revenues	1136155000
CY2020	stwd	Management Fees ManagementFees	127127000
CY2020	us-gaap	Interest Expense InterestExpense	419763000
CY2020	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	157874000
CY2020	stwd	Acquisition And Investment Pursuit Costs AcquisitionAndInvestmentPursuitCosts	3572000
CY2020	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	117676000
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	94405000
CY2020	stwd	Provision For Loan Losses Net ProvisionForLoanLossesNet	43153000
CY2020	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-838000
CY2020	us-gaap	Costs And Expenses CostsAndExpenses	964408000
CY2020	us-gaap	Variable Interest Entity Activity Between Vie And Entity Income Or Loss Before Tax VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax	78258000
CY2020	us-gaap	Servicing Asset At Fair Value Period Increase Decrease ServicingAssetAtFairValuePeriodIncreaseDecrease	-3715000
CY2020	us-gaap	Marketable Securities Unrealized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments	5393000
CY2020	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	133124000
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	37317000
CY2020	stwd	Gain Loss On Sale Of Investments Net GainLossOnSaleOfInvestmentsNet	7310000
CY2020	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-82178000
CY2020	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	42395000
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-3654000
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	214531000
CY2019	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	383572000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	550167000
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	139656000
CY2019	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	337966000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13232000
CY2019	us-gaap	Profit Loss ProfitLoss	536935000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	386278000
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20197000
CY2020	us-gaap	Profit Loss ProfitLoss	366081000
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	34392000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	331689000
CY2019	us-gaap	Interest And Fee Income Loans Commercial InterestAndFeeIncomeLoansCommercial	724013000
CY2019	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	76629000
CY2019	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	54296000
CY2019	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	3515000
CY2019	us-gaap	Revenues Revenues	1196419000
CY2019	stwd	Management Fees ManagementFees	119132000
CY2019	us-gaap	Interest Expense InterestExpense	508729000
CY2019	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	155112000
CY2019	stwd	Acquisition And Investment Pursuit Costs AcquisitionAndInvestmentPursuitCosts	1056000
CY2019	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	122982000
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	113322000
CY2019	stwd	Provision For Loan Losses Net ProvisionForLoanLossesNet	7126000
CY2019	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-2365000
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	1029824000
CY2019	us-gaap	Variable Interest Entity Activity Between Vie And Entity Income Or Loss Before Tax VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax	236309000
CY2019	us-gaap	Servicing Asset At Fair Value Period Increase Decrease ServicingAssetAtFairValuePeriodIncreaseDecrease	-3640000
CY2019	us-gaap	Marketable Securities Unrealized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments	833000
CY2019	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	71601000
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-101354000
CY2019	stwd	Gain Loss On Sale Of Investments Net GainLossOnSaleOfInvestmentsNet	188028000
CY2019	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-6310000
CY2019	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	17582000
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-19270000
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-207000
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	27271000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	509664000
CY2018	us-gaap	Interest And Fee Income Loans Commercial InterestAndFeeIncomeLoansCommercial	620543000
CY2018	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	56839000
CY2018	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	78766000
CY2018	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	349684000
CY2018	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	3448000
CY2018	us-gaap	Revenues Revenues	1109280000
CY2018	stwd	Management Fees ManagementFees	129455000
CY2018	us-gaap	Interest Expense InterestExpense	408188000
CY2018	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	136132000
CY2018	stwd	Acquisition And Investment Pursuit Costs AcquisitionAndInvestmentPursuitCosts	8587000
CY2018	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	127068000
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	10540000
CY2018	stwd	Gain Loss On Sale Of Investments Net GainLossOnSaleOfInvestmentsNet	59044000
CY2020Q4	us-gaap	Other Assets OtherAssets	190748000
CY2020Q4	us-gaap	Assets Assets	80873509000
CY2019Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	2490630000
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	132649000
CY2018	stwd	Provision For Loan Losses Net ProvisionForLoanLossesNet	34821000
CY2018	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-732000
CY2018	us-gaap	Costs And Expenses CostsAndExpenses	977632000
CY2018	us-gaap	Variable Interest Entity Activity Between Vie And Entity Income Or Loss Before Tax VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax	165892000
CY2018	us-gaap	Servicing Asset At Fair Value Period Increase Decrease ServicingAssetAtFairValuePeriodIncreaseDecrease	-10202000
CY2018	us-gaap	Marketable Securities Unrealized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments	10345000
CY2018	stwd	Gain Loss On Mortgage Loans Held For Sale GainLossOnMortgageLoansHeldForSale	40522000
CY2018	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	34603000
CY2018	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-9245000
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-5808000
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-812000
CY2018	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	294879000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	426527000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15330000
CY2018	us-gaap	Profit Loss ProfitLoss	411197000
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	25367000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	385830000
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	563217000
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	158945000
CY2020Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	11087073000
CY2020Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	1052835000
CY2020Q4	us-gaap	Marketable Securities MarketableSecurities	736658000
CY2020Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	2271153000
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	70117000
CY2020Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	108054000
CY2020Q4	us-gaap	Goodwill Goodwill	259846000
CY2020Q4	us-gaap	Derivative Assets DerivativeAssets	40555000
CY2020Q4	us-gaap	Interest Receivable InterestReceivable	95980000
CY2020Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	206845000
CY2020Q4	us-gaap	Due To Related Parties Current And Noncurrent DueToRelatedPartiesCurrentAndNoncurrent	39170000
CY2020Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	137959000
CY2020Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	41324000
CY2020Q4	us-gaap	Secured Debt SecuredDebt	10146190000
CY2020Q4	us-gaap	Collateralized Financings CollateralizedFinancings	930554000
CY2020Q4	us-gaap	Unsecured Debt UnsecuredDebt	1732520000
CY2020Q4	us-gaap	Liabilities Liabilities	76010933000
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	2921000
CY2020Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	5209739000
CY2020Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	138022000
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	43993000
CY2018Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	2972803000
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-629733000
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	4488898000
CY2020Q4	us-gaap	Minority Interest MinorityInterest	373678000
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4862576000
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	80873509000
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	478388000
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	95643000
CY2019Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	10586074000
CY2019Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	884150000
CY2019Q4	us-gaap	Marketable Securities MarketableSecurities	810238000
CY2019Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	2266440000
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	85700000
CY2019Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	84329000
CY2019Q4	us-gaap	Goodwill Goodwill	259846000
CY2019Q4	us-gaap	Derivative Assets DerivativeAssets	28943000
CY2019Q4	us-gaap	Interest Receivable InterestReceivable	64087000
CY2019Q4	us-gaap	Other Assets OtherAssets	211323000
CY2019Q4	us-gaap	Assets Assets	78042336000
CY2019Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	212006000
CY2019Q4	us-gaap	Due To Related Parties Current And Noncurrent DueToRelatedPartiesCurrentAndNoncurrent	40925000
CY2019Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	137427000
CY2019Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	8740000
CY2019Q4	us-gaap	Secured Debt SecuredDebt	8906048000
CY2019Q4	us-gaap	Collateralized Financings CollateralizedFinancings	928060000
CY2019Q4	us-gaap	Unsecured Debt UnsecuredDebt	1928622000
CY2019Q4	us-gaap	Liabilities Liabilities	72905322000
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	2874000
CY2019Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	5132532000
CY2019Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	104194000
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	50932000
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-381719000
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	4700425000
CY2019Q4	us-gaap	Minority Interest MinorityInterest	436589000
CY2018	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	9389000
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5137014000
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	78042336000
CY2020Q1	us-gaap	Revenues Revenues	312560000
CY2020Q2	us-gaap	Revenues Revenues	265606000
CY2020Q3	us-gaap	Revenues Revenues	267427000
CY2020Q4	us-gaap	Revenues Revenues	290562000
CY2020Q1	us-gaap	Profit Loss ProfitLoss	-66269000
CY2020Q2	us-gaap	Profit Loss ProfitLoss	152961000
CY2020Q3	us-gaap	Profit Loss ProfitLoss	164734000
CY2020Q4	us-gaap	Profit Loss ProfitLoss	114655000
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	-66769000
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.24
CY2018Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	187913000
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.49
CY2017Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	107569000
CY2020	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	81610000
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.52
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	151834000
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	106968000
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.24
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.49
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.53
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.37
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.37
CY2019Q1	us-gaap	Revenues Revenues	310480000
CY2019Q2	us-gaap	Revenues Revenues	311181000
CY2019Q3	us-gaap	Revenues Revenues	288330000
CY2019Q4	us-gaap	Revenues Revenues	286428000
CY2019Q1	us-gaap	Profit Loss ProfitLoss	76508000
CY2019Q2	us-gaap	Profit Loss ProfitLoss	132446000
CY2019Q3	us-gaap	Profit Loss ProfitLoss	150001000
CY2019Q4	us-gaap	Profit Loss ProfitLoss	177980000
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	70383000
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	127016000
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	140396000
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	171869000
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.25
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.45
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.50
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.61
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.25
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.45
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.49
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.60
CY2019	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	92024000
CY2018	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	91188000
CY2020Q4	srt	Real Estate And Accumulated Depreciation Amount Of Encumbrances RealEstateAndAccumulatedDepreciationAmountOfEncumbrances	2038431000
CY2020Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Land RealEstateAndAccumulatedDepreciationInitialCostOfLand	444566000
CY2020Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Buildings And Improvements RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements	2043296000
CY2020Q4	us-gaap	Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Improvements RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements	85434000
CY2020Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Land RealEstateAndAccumulatedDepreciationCarryingAmountOfLand	444595000
CY2020Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements	2128701000
CY2020Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	2573296000
CY2020Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	302143000
CY2020Q4	srt	Real Estate Federal Income Tax Basis RealEstateFederalIncomeTaxBasis	2700000000
CY2020	us-gaap	Real Estate Acquisitions Through Foreclosures RealEstateAcquisitionsThroughForeclosures	75245000
CY2019	us-gaap	Real Estate Acquisitions Through Foreclosures RealEstateAcquisitionsThroughForeclosures	27416000
CY2020	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	3657000
CY2020	us-gaap	Real Estate Improvements RealEstateImprovements	25164000
CY2019	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	54260000
CY2017Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	2755050000
CY2019	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	8472000
CY2018	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	445170000
CY2019	us-gaap	Real Estate Improvements RealEstateImprovements	30865000
CY2018	us-gaap	Real Estate Improvements RealEstateImprovements	25764000
CY2020	stwd	Real Estate Contingent Consideration Issued RealEstateContingentConsiderationIssued	1576000
CY2019	stwd	Real Estate Contingent Consideration Issued RealEstateContingentConsiderationIssued	2877000
CY2018	stwd	Real Estate Contingent Consideration Issued RealEstateContingentConsiderationIssued	38211000
CY2020	stwd	Real Estate Additions RealEstateAdditions	101985000
CY2019	stwd	Real Estate Additions RealEstateAdditions	69630000
CY2018	stwd	Real Estate Additions RealEstateAdditions	509145000
CY2020	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	19319000
CY2019	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	535417000
CY2018	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	269989000
CY2019	stwd	Real Estate Foreign Currency Translation RealEstateForeignCurrencyTranslation	15702000
CY2018	stwd	Real Estate Foreign Currency Translation RealEstateForeignCurrencyTranslation	21260000
CY2019	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	684000
CY2018	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	143000
CY2020	stwd	Real Estate Deductions RealEstateDeductions	19319000
CY2019	stwd	Real Estate Deductions RealEstateDeductions	551803000
CY2018	stwd	Real Estate Deductions RealEstateDeductions	291392000
CY2020Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	2573296000
CY2019Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	2490630000
CY2018Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	2972803000
CY2019Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	224190000
CY2019	stwd	Real Estate Accumulated Depreciation Foreign Currency Translation RealEstateAccumulatedDepreciationForeignCurrencyTranslation	-1487000
CY2018	stwd	Real Estate Accumulated Depreciation Foreign Currency Translation RealEstateAccumulatedDepreciationForeignCurrencyTranslation	-1455000
CY2020Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	302143000
CY2019Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	224190000
CY2018Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	187913000
CY2020Q4	srt	Mortgage Loans On Real Estate Principal Amount Of Delinquent Loans MortgageLoansOnRealEstatePrincipalAmountOfDelinquentLoans	245773000
CY2020Q4	srt	Mortgage Loans On Real Estate Federal Income Tax Basis1 MortgageLoansOnRealEstateFederalIncomeTaxBasis1	10700000000

Files In Submission

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0001558370-21-001712-index-headers.html	Edgar Link	pending
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$STWD
STARWOOD PROPERTY TRUST, INC. Stock $stwd

2021 Q1 Form 10-K Financial Statement

#000155837021001712 Filed on February 25, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$STWD STARWOOD PROPERTY TRUST, INC. Stock $stwd

2021 Q1 Form 10-K Financial Statement

#000155837021001712 Filed on February 25, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$STWD
STARWOOD PROPERTY TRUST, INC. Stock $stwd