{ "instance": { "stwd-20200630x10q.htm": { "axisCustom": 0, "axisStandard": 48, "contextCount": 877, "dts": { "calculationLink": { "local": [ "stwd-20200630_cal.xml" ] }, "definitionLink": { "local": [ "stwd-20200630_def.xml" ], "remote": [ "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-eedm-def-2019-01-31.xml", "http://xbrl.fasb.org/srt/2019/elts/srt-eedm1-def-2019-01-31.xml" ] }, "inline": { "local": [ "stwd-20200630x10q.htm" ] }, "labelLink": { "local": [ "stwd-20200630_lab.xml" ], "remote": [ "https://xbrl.sec.gov/dei/2019/dei-doc-2019-01-31.xml", "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-doc-2019-01-31.xml", "http://xbrl.fasb.org/srt/2019/elts/srt-doc-2019-01-31.xml" ] }, "presentationLink": { "local": [ "stwd-20200630_pre.xml" ] }, "referenceLink": { "remote": [ "http://xbrl.fasb.org/srt/2019/elts/srt-ref-2019-01-31.xml", "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-ref-2019-01-31.xml", "https://xbrl.sec.gov/dei/2019/dei-ref-2019-01-31.xml" ] }, "schema": { "local": [ "stwd-20200630.xsd" ], "remote": [ "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd", "http://www.xbrl.org/2003/xl-2003-12-31.xsd", "http://www.xbrl.org/2003/xlink-2003-12-31.xsd", "https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd", "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.xsd", "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd", "http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd", "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd", "http://xbrl.fasb.org/us-gaap/2019/elts/us-roles-2019-01-31.xsd", "http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd", "http://www.xbrl.org/2006/ref-2006-02-27.xsd", "http://xbrl.fasb.org/srt/2019/elts/srt-types-2019-01-31.xsd", "http://xbrl.fasb.org/srt/2019/elts/srt-roles-2019-01-31.xsd", "https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd", "http://xbrl.fasb.org/us-gaap/2019/elts/us-types-2019-01-31.xsd", "https://xbrl.sec.gov/currency/2019/currency-2019-01-31.xsd", "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd", "http://xbrl.fasb.org/us-gaap/2019/elts/us-parts-codification-2019-01-31.xsd", "http://www.xbrl.org/lrr/role/deprecated-2009-12-16.xsd" ] } }, "elementCount": 1013, "entityCount": 1, "hidden": { "http://fasb.org/us-gaap/2019-01-31": 19, "http://www.starwoodpropertytrust.com/20200630": 3, "http://xbrl.sec.gov/dei/2019-01-31": 5, "total": 27 }, "keyCustom": 187, "keyStandard": 470, "memberCustom": 100, "memberStandard": 83, "nsprefix": "stwd", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "report": { "R1": { "firstAnchor": { "ancestors": [ "p", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "true", "longName": "00090 - Document - Document and Entity Information", "role": "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation", "shortName": "Document and Entity Information", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "p", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R10": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10201 - Disclosure - Summary of Significant Accounting Policies", "role": "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPolicies", "shortName": "Summary of Significant Accounting Policies", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R11": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:MergersAcquisitionsAndDispositionsDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10301 - Disclosure - Acquisitions and Divestitures", "role": "http://www.starwoodpropertytrust.com/role/DisclosureAcquisitionsAndDivestitures", "shortName": "Acquisitions and Divestitures", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:MergersAcquisitionsAndDispositionsDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R12": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FinancingReceivablesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10401 - Disclosure - Loans", "role": "http://www.starwoodpropertytrust.com/role/DisclosureLoans", "shortName": "Loans", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FinancingReceivablesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R13": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10501 - Disclosure - Investment Securities", "role": "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecurities", "shortName": "Investment Securities", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R14": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RealEstateDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10601 - Disclosure - Properties", "role": "http://www.starwoodpropertytrust.com/role/DisclosureProperties", "shortName": "Properties", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RealEstateDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R15": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:EquityMethodInvestmentsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10701 - Disclosure - Investment in Unconsolidated Entities", "role": "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntities", "shortName": "Investment in Unconsolidated Entities", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:EquityMethodInvestmentsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R16": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10801 - Disclosure - Goodwill and Intangibles", "role": "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangibles", "shortName": "Goodwill and Intangibles", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R17": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_us-gaap_LongtermDebtTypeAxis_us-gaap_SecuredDebtMember_fH6JI0AqVkmetGP4HdBeaw", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DebtDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10901 - Disclosure - Secured Borrowings", "role": "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowings", "shortName": "Secured Borrowings", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_us-gaap_LongtermDebtTypeAxis_us-gaap_SecuredDebtMember_fH6JI0AqVkmetGP4HdBeaw", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DebtDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R18": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_us-gaap_LongtermDebtTypeAxis_us-gaap_ConvertibleNotesPayableMember_nLQIK7iRSkqkctEELyvrDw", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DebtDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11001 - Disclosure - Unsecured Senior Notes", "role": "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotes", "shortName": "Unsecured Senior Notes", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_us-gaap_LongtermDebtTypeAxis_us-gaap_ConvertibleNotesPayableMember_nLQIK7iRSkqkctEELyvrDw", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DebtDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R19": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "stwd:SecuritizationAndFinancingArrangementsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11101 - Disclosure - Loan Securitization/Sale Activities", "role": "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivities", "shortName": "Loan Securitization/Sale Activities", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "stwd:SecuritizationAndFinancingArrangementsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R2": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "00100 - Statement - Condensed Consolidated Balance Sheets", "role": "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets", "shortName": "Condensed Consolidated Balance Sheets", "subGroupType": "", "uniqueAnchor": null }, "R20": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11201 - Disclosure - Derivatives and Hedging Activity", "role": "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivity", "shortName": "Derivatives and Hedging Activity", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R21": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "stwd:OffsettingAssetsAndLiabilitiesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11301 - Disclosure - Offsetting Assets and Liabilities", "role": "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilities", "shortName": "Offsetting Assets and Liabilities", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "stwd:OffsettingAssetsAndLiabilitiesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R22": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:VariableInterestEntityDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11401 - Disclosure - Variable Interest Entities", "role": "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntities", "shortName": "Variable Interest Entities", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:VariableInterestEntityDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R23": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11501 - Disclosure - Related-Party Transactions", "role": "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactions", "shortName": "Related-Party Transactions", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R24": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ShareholdersEquityAndShareBasedPaymentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11601 - Disclosure - Stockholders' Equity and Non-Controlling Interests", "role": "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterests", "shortName": "Stockholders' Equity and Non-Controlling Interests", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ShareholdersEquityAndShareBasedPaymentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R25": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:EarningsPerShareTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11701 - Disclosure - Earnings per Share", "role": "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShare", "shortName": "Earnings per Share", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:EarningsPerShareTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R26": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ComprehensiveIncomeNoteTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11801 - Disclosure - Accumulated Other Comprehensive Income", "role": "http://www.starwoodpropertytrust.com/role/DisclosureAccumulatedOtherComprehensiveIncome", "shortName": "Accumulated Other Comprehensive Income", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ComprehensiveIncomeNoteTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R27": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FinancialInstrumentsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11901 - Disclosure - Fair Value", "role": "http://www.starwoodpropertytrust.com/role/DisclosureFairValue", "shortName": "Fair Value", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FinancialInstrumentsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R28": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12001 - Disclosure - Income Taxes", "role": "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxes", "shortName": "Income Taxes", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R29": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12101 - Disclosure - Commitments and Contingencies", "role": "http://www.starwoodpropertytrust.com/role/DisclosureCommitmentsAndContingencies", "shortName": "Commitments and Contingencies", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R3": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "ix:continuation", "us-gaap:FinancingReceivablesTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LoansAndLeasesReceivableAllowance", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "00105 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)", "role": "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical", "shortName": "Condensed Consolidated Balance Sheets (Parenthetical)", "subGroupType": "parenthetical", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "lang": null, "name": "us-gaap:LoansReceivableFairValueDisclosure", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R30": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SegmentReportingDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12201 - Disclosure - Segment Data", "role": "http://www.starwoodpropertytrust.com/role/DisclosureSegmentData", "shortName": "Segment Data", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SegmentReportingDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R31": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SubsequentEventsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12301 - Disclosure - Subsequent Events", "role": "http://www.starwoodpropertytrust.com/role/DisclosureSubsequentEvents", "shortName": "Subsequent Events", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SubsequentEventsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R32": { "firstAnchor": { "ancestors": [ "us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "stwd:BalanceSheetPresentationOfInvestingAndServicingSegmentsVariableInterestEntitiesPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "20202 - Disclosure - Summary of Significant Accounting Policies (Policies)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies", "shortName": "Summary of Significant Accounting Policies (Policies)", "subGroupType": "policies", "uniqueAnchor": { "ancestors": [ "us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "stwd:BalanceSheetPresentationOfInvestingAndServicingSegmentsVariableInterestEntitiesPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R33": { "firstAnchor": { "ancestors": [ "p", "us-gaap:FinancingReceivablesTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "30403 - Disclosure - Loans (Tables)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureLoansTables", "shortName": "Loans (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "p", "us-gaap:FinancingReceivablesTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R34": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:MarketableSecuritiesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "30503 - Disclosure - Investment Securities (Tables)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesTables", "shortName": "Investment Securities (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:MarketableSecuritiesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R35": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "stwd:ScheduleOfRealEstateInvestmentPropertyTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "30603 - Disclosure - Properties (Tables)", "role": "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesTables", "shortName": "Properties (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "stwd:ScheduleOfRealEstateInvestmentPropertyTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R36": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:InvestmentsInAndAdvancesToAffiliatesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "30703 - Disclosure - Investment in Unconsolidated Entities (Tables)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesTables", "shortName": "Investment in Unconsolidated Entities (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:InvestmentsInAndAdvancesToAffiliatesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R37": { "firstAnchor": { "ancestors": [ "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "30803 - Disclosure - Goodwill and Intangibles (Tables)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesTables", "shortName": "Goodwill and Intangibles (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R38": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDebtTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "30903 - Disclosure - Secured Borrowings (Tables)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsTables", "shortName": "Secured Borrowings (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDebtTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R39": { "firstAnchor": { "ancestors": [ "us-gaap:DebtDisclosureTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ConvertibleDebtTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31003 - Disclosure - Unsecured Senior Notes (Tables)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesTables", "shortName": "Unsecured Senior Notes (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "us-gaap:DebtDisclosureTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ConvertibleDebtTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R4": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_4_1_2020_To_6_30_2020_MakY5kF6IUSzv0tk3BNlUg", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:InterestAndFeeIncomeLoansCommercial", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "00200 - Statement - Condensed Consolidated Statements of Operations", "role": "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations", "shortName": "Condensed Consolidated Statements of Operations", "subGroupType": "", "uniqueAnchor": null }, "R40": { "firstAnchor": { "ancestors": [ "stwd:SecuritizationAndFinancingArrangementsDisclosureTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_us-gaap_StatementBusinessSegmentsAxis_stwd_LNRBusinessSegmentsMember_2c6SJ75FbkCe_HL6SZNzQg", "decimals": null, "first": true, "lang": "en-US", "name": "stwd:ScheduleOfFairValueAndParValueOfLoansSoldAndSalesProceedsUsedToRepayOutstandingBalanceOfRepurchaseAgreementsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31103 - Disclosure - Loan Securitization/Sale Activities (Tables)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesTables", "shortName": "Loan Securitization/Sale Activities (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "stwd:SecuritizationAndFinancingArrangementsDisclosureTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_us-gaap_StatementBusinessSegmentsAxis_stwd_LNRBusinessSegmentsMember_2c6SJ75FbkCe_HL6SZNzQg", "decimals": null, "first": true, "lang": "en-US", "name": "stwd:ScheduleOfFairValueAndParValueOfLoansSoldAndSalesProceedsUsedToRepayOutstandingBalanceOfRepurchaseAgreementsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R41": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDerivativeInstrumentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31203 - Disclosure - Derivatives and Hedging Activity (Tables)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityTables", "shortName": "Derivatives and Hedging Activity (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDerivativeInstrumentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R42": { "firstAnchor": { "ancestors": [ "stwd:OffsettingAssetsAndLiabilitiesTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "stwd:OffsettingAssetsAndLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31303 - Disclosure - Offsetting Assets and Liabilities (Tables)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesTables", "shortName": "Offsetting Assets and Liabilities (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "stwd:OffsettingAssetsAndLiabilitiesTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "stwd:OffsettingAssetsAndLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R43": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfVariableInterestEntitiesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31403 - Disclosure - Variable Interest Entities (Tables)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesTables", "shortName": "Variable Interest Entities (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfVariableInterestEntitiesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R44": { "firstAnchor": { "ancestors": [ "us-gaap:ShareholdersEquityAndShareBasedPaymentsTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DividendsDeclaredTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31603 - Disclosure - Stockholders' Equity and Non-Controlling Interests (Tables)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsTables", "shortName": "Stockholders' Equity and Non-Controlling Interests (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "us-gaap:ShareholdersEquityAndShareBasedPaymentsTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DividendsDeclaredTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R45": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31703 - Disclosure - Earnings per Share (Tables)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareTables", "shortName": "Earnings per Share (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R46": { "firstAnchor": { "ancestors": [ "us-gaap:ComprehensiveIncomeNoteTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31803 - Disclosure - Accumulated Other Comprehensive Income (Tables)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureAccumulatedOtherComprehensiveIncomeTables", "shortName": "Accumulated Other Comprehensive Income (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "us-gaap:ComprehensiveIncomeNoteTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R47": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31903 - Disclosure - Fair Value (Tables)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureFairValueTables", "shortName": "Fair Value (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R48": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "32003 - Disclosure - Income Taxes (Tables)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesTables", "shortName": "Income Taxes (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R49": { "firstAnchor": { "ancestors": [ "us-gaap:SegmentReportingDisclosureTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "stwd:ScheduleOfSegmentReportingInformationOfResultsOfOperationsBySegmentTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "32203 - Disclosure - Segment Data (Tables)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataTables", "shortName": "Segment Data (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "us-gaap:SegmentReportingDisclosureTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "stwd:ScheduleOfSegmentReportingInformationOfResultsOfOperationsBySegmentTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R5": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_4_1_2020_To_6_30_2020_MakY5kF6IUSzv0tk3BNlUg", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:ProfitLoss", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "00300 - Statement - Condensed Consolidated Statements of Comprehensive Income", "role": "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncome", "shortName": "Condensed Consolidated Statements of Comprehensive Income", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_4_1_2020_To_6_30_2020_MakY5kF6IUSzv0tk3BNlUg", "decimals": "-3", "lang": null, "name": "us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R50": { "firstAnchor": { "ancestors": [ "p", "us-gaap:NatureOfOperations", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:NumberOfReportableSegments", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_segment_9KePVxns0EmSMvXmXfrAIw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40101 - Disclosure - Business and Organization (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureBusinessAndOrganizationDetails", "shortName": "Business and Organization (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "us-gaap:NatureOfOperations", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:NumberOfReportableSegments", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_segment_9KePVxns0EmSMvXmXfrAIw", "xsiNil": "false" } }, "R51": { "firstAnchor": { "ancestors": [ "span", "p", "ix:continuation", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "INF", "first": true, "lang": null, "name": "stwd:ReoAssetsAsPercentOfConsolidatedVieAssets", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_pure__IbUXQD39EGnqf3T6ZJ1oQ", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40201 - Disclosure - Summary of Significant Accounting Policies (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails", "shortName": "Summary of Significant Accounting Policies (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "p", "ix:continuation", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "INF", "first": true, "lang": null, "name": "stwd:ReoAssetsAsPercentOfConsolidatedVieAssets", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_pure__IbUXQD39EGnqf3T6ZJ1oQ", "xsiNil": "false" } }, "R52": { "firstAnchor": { "ancestors": [ "us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment", "p", "us-gaap:MergersAcquisitionsAndDispositionsDisclosuresTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_4_1_2020_To_6_30_2020_us-gaap_StatementBusinessSegmentsAxis_stwd_LNRBusinessSegmentsMember_FPBMXb93WUCUYVZrKS_cFQ", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40301 - Disclosure - Acquisitions and Divestitures (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureAcquisitionsAndDivestituresDetails", "shortName": "Acquisitions and Divestitures (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment", "p", "us-gaap:MergersAcquisitionsAndDispositionsDisclosuresTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_4_1_2020_To_6_30_2020_us-gaap_StatementBusinessSegmentsAxis_stwd_LNRBusinessSegmentsMember_FPBMXb93WUCUYVZrKS_cFQ", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:ProceedsFromSaleOfRealEstateHeldforinvestment", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R53": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "ix:continuation", "us-gaap:FinancingReceivablesTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "first": true, "lang": null, "name": "stwd:MortgageLoansOnRealEstateGrossCarryingAmountOfMortgages", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40401 - Disclosure - Loans - Held for Investment (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "shortName": "Loans - Held for Investment (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "ix:continuation", "us-gaap:FinancingReceivablesTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "lang": null, "name": "stwd:MortgageLoansOnRealEstatePrincipalAmountOfMortgages", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R54": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "stwd:LoansReceivableWithVariableRatesOfInterestTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LoansReceivableWithVariableRatesOfInterest1", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40402 - Disclosure - Loans - Variable Rate Loans Held for Investment (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureLoansVariableRateLoansHeldForInvestmentDetails", "shortName": "Loans - Variable Rate Loans Held for Investment (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "stwd:LoansReceivableWithVariableRatesOfInterestTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_srt_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis_stwd_LoansHeldForInvestmentCommercialMember_lXeYGCyKVUOU7BOV1DTVZA", "decimals": "-3", "lang": null, "name": "us-gaap:LoansReceivableWithVariableRatesOfInterest1", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R55": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "ix:continuation", "us-gaap:FinancingReceivablesTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "first": true, "lang": null, "name": "stwd:MortgageLoansOnRealEstateGrossCarryingAmountOfMortgages", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40403 - Disclosure - Loans - Ratings (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails", "shortName": "Loans - Ratings (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "lang": null, "name": "us-gaap:ImpairedFinancingReceivableRelatedAllowance", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R56": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "ix:continuation", "us-gaap:FinancingReceivablesTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_12_31_2019_rIwWy-oUXESGTIIDT2ZT7Q", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LoansAndLeasesReceivableAllowance", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40404 - Disclosure - Loans - Activity in Portfolio (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails", "shortName": "Loans - Activity in Portfolio (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "stwd:MovementInMortgageLoansOnRealEstateTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": "-3", "lang": null, "name": "stwd:MortgageLoansOnRealEstateCapitalizedInterest", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R57": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:MarketableSecurities", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40501 - Disclosure - Investment Securities (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails", "shortName": "Investment Securities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "stwd:ScheduleOfTransactionsInvestmentSecuritiesTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_4_1_2020_To_6_30_2020_MakY5kF6IUSzv0tk3BNlUg", "decimals": "-3", "lang": null, "name": "stwd:PurchaseOfMarketableSecurities", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R58": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "INF", "first": true, "lang": null, "name": "stwd:NumberOfSecuritiesWithUnrealizedLosses", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_security_cPkERh-cykWuM7mmBRiKtw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40502 - Disclosure - Investment Securities - AFS and Fair Value Option (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails", "shortName": "Investment Securities - AFS and Fair Value Option (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "INF", "first": true, "lang": null, "name": "stwd:NumberOfSecuritiesWithUnrealizedLosses", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_security_cPkERh-cykWuM7mmBRiKtw", "xsiNil": "false" } }, "R59": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:HeldToMaturitySecuritiesTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:HeldToMaturitySecurities", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40503 - Disclosure - Investment Securities - HTM (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails", "shortName": "Investment Securities - HTM (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:HeldToMaturitySecuritiesTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "lang": null, "name": "us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R6": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_12_31_2018_us-gaap_StatementEquityComponentsAxis_us-gaap_ParentMember_0huzN_1X60WbKfpnr_cb9g", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "00400 - Statement - Condensed Consolidated Statements of Equity", "role": "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity", "shortName": "Condensed Consolidated Statements of Equity", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_12_31_2018_us-gaap_StatementEquityComponentsAxis_us-gaap_ParentMember_0huzN_1X60WbKfpnr_cb9g", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R60": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:InvestmentsInAndAdvancesToAffiliatesTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40504 - Disclosure - Investment Securities - SEREF (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesSerefDetails", "shortName": "Investment Securities - SEREF (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": "2", "lang": null, "name": "stwd:InvestmentInEquitySecuritiesPercentageOwnership", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_pure__IbUXQD39EGnqf3T6ZJ1oQ", "xsiNil": "false" } }, "R61": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "stwd:ScheduleOfRealEstateInvestmentPropertyTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:RealEstateInvestmentPropertyAtCost", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40601 - Disclosure - Properties (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails", "shortName": "Properties (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "stwd:ScheduleOfRealEstateInvestmentPropertyTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_12_31_2019_rIwWy-oUXESGTIIDT2ZT7Q", "decimals": "-3", "lang": null, "name": "us-gaap:RealEstateInvestmentPropertyAtCost", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R62": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:InvestmentsInAndAdvancesToAffiliatesTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:EquityMethodInvestments", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40701 - Disclosure - Investment in Unconsolidated Entities (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails", "shortName": "Investment in Unconsolidated Entities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:InvestmentsInAndAdvancesToAffiliatesTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:EquityMethodInvestments", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R63": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:Goodwill", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40801 - Disclosure - Goodwill and Intangibles (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails", "shortName": "Goodwill and Intangibles (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock", "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "lang": null, "name": "us-gaap:IntangibleAssetsGrossExcludingGoodwill", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R64": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_12_31_2019_rIwWy-oUXESGTIIDT2ZT7Q", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:IntangibleAssetsNetExcludingGoodwill", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40802 - Disclosure - Goodwill and Intangibles - Activity (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails", "shortName": "Goodwill and Intangibles - Activity (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "stwd:SummaryOfMovementInFiniteAndIndefiniteLivedIntangibleAssetsTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": "-3", "lang": null, "name": "us-gaap:AmortizationOfIntangibleAssets", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R65": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:SecuredDebt", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40901 - Disclosure - Secured Borrowings (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "shortName": "Secured Borrowings (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_VariableRateAxis_us-gaap_LondonInterbankOfferedRateLIBORMember_Tci_E6lgakW5vGb_CjbqbQ", "decimals": "4", "lang": null, "name": "us-gaap:DebtInstrumentBasisSpreadOnVariableRate1", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_pure__IbUXQD39EGnqf3T6ZJ1oQ", "xsiNil": "false" } }, "R66": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_4_1_2020_To_6_30_2020_us-gaap_LongtermDebtTypeAxis_us-gaap_SecuredDebtMember_EkGciu8eEkKO3DCQSf0fjA", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:AmortizationOfFinancingCosts", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40902 - Disclosure - Secured Borrowings - Repurchase Agreements (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsRepurchaseAgreementsDetails", "shortName": "Secured Borrowings - Repurchase Agreements (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_4_1_2020_To_6_30_2020_us-gaap_LongtermDebtTypeAxis_us-gaap_SecuredDebtMember_EkGciu8eEkKO3DCQSf0fjA", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:AmortizationOfFinancingCosts", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R67": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:CollateralizedFinancings", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40903 - Disclosure - Secured Borrowings- Collateralized Loan Obligations (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails", "shortName": "Secured Borrowings- Collateralized Loan Obligations (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "stwd:CollateralizedLoanObligationsTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_us-gaap_CollateralAxis_us-gaap_CollateralPledgedMember_us-gaap_VariableRateAxis_us-gaap_LondonInterbankOfferedRateLIBORMember_vTCjLrOp9UuERv0cn64bTw", "decimals": "4", "lang": null, "name": "us-gaap:DebtInstrumentBasisSpreadOnVariableRate1", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_pure__IbUXQD39EGnqf3T6ZJ1oQ", "xsiNil": "false" } }, "R68": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_us-gaap_DebtInstrumentAxis_us-gaap_CollateralizedLoanObligationsMember_TtnV7sUQe0amj2c4ywJDVw", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40904 - Disclosure - Secured Borrowings - Principal Repayments (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails", "shortName": "Secured Borrowings - Principal Repayments (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_us-gaap_DebtInstrumentAxis_us-gaap_CollateralizedLoanObligationsMember_TtnV7sUQe0amj2c4ywJDVw", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R69": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_4_1_2020_To_6_30_2020_MakY5kF6IUSzv0tk3BNlUg", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:InterestExpense", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41001 - Disclosure - Unsecured Senior Notes (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails", "shortName": "Unsecured Senior Notes (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:ConvertibleDebtTableTextBlock", "us-gaap:DebtDisclosureTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_us-gaap_DebtInstrumentAxis_stwd_SeniorNotes3625Due2021Member_dYIc3dujSUKuVYioQ4CUrQ", "decimals": null, "lang": "en-US", "name": "us-gaap:DebtInstrumentConvertibleRemainingDiscountAmortizationPeriod1", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R7": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:DividendsDeclaredTableTextBlock", "us-gaap:ShareholdersEquityAndShareBasedPaymentsTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_6_16_2020_To_6_16_2020_SvvjwhuX-EqHwq0I4ipxMQ", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:CommonStockDividendsPerShareDeclared", "reportCount": 1, "unitRef": "Unit_Divide_USD_shares_IbXbzsV4eUGC_14SL5CfDg", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "00405 - Statement - Condensed Consolidated Statements of Equity (Parenthetical)", "role": "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquityParenthetical", "shortName": "Condensed Consolidated Statements of Equity (Parenthetical)", "subGroupType": "parenthetical", "uniqueAnchor": null }, "R70": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "stwd:ScheduleOfFairValueAndParValueOfLoansSoldAndSalesProceedsUsedToRepayOutstandingBalanceOfRepurchaseAgreementsTableTextBlock", "stwd:SecuritizationAndFinancingArrangementsDisclosureTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_4_1_2019_To_6_30_2019_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_stwd_LoansHeldForSaleCommercialMember_us-gaap_StatementBusinessSegmentsAxis_stwd_LNRBusinessSegmentsMember_9UOgf4Mp_EqF-aF9hc1U_g", "decimals": "-3", "first": true, "lang": null, "name": "stwd:LoansHeldForSaleSoldParValue", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41101 - Disclosure - Loan Securitization/Sale Activities (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesDetails", "shortName": "Loan Securitization/Sale Activities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "stwd:ScheduleOfFairValueAndParValueOfLoansSoldAndSalesProceedsUsedToRepayOutstandingBalanceOfRepurchaseAgreementsTableTextBlock", "stwd:SecuritizationAndFinancingArrangementsDisclosureTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_4_1_2019_To_6_30_2019_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_stwd_LoansHeldForSaleCommercialMember_us-gaap_StatementBusinessSegmentsAxis_stwd_LNRBusinessSegmentsMember_9UOgf4Mp_EqF-aF9hc1U_g", "decimals": "-3", "first": true, "lang": null, "name": "stwd:LoansHeldForSaleSoldParValue", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R71": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:ScheduleOfDerivativeInstrumentsTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:DerivativeNumberOfInstrumentsHeld", "reportCount": 1, "unitRef": "Unit_Standard_item_gmlVOcpZ90qOlnxbtxJrPw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41201 - Disclosure - Derivatives and Hedging Activity - Designated and Non-Designated Hedges (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails", "shortName": "Derivatives and Hedging Activity - Designated and Non-Designated Hedges (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:ScheduleOfDerivativeInstrumentsTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_srt_CurrencyAxis_currency_EUR_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_ForeignExchangeForwardMember_us-gaap_PositionAxis_us-gaap_LongMember_BTV2uMoVtUC73QKa6R7B9A", "decimals": "-3", "lang": null, "name": "us-gaap:DerivativeNotionalAmount", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R72": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DerivativeAssets", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41202 - Disclosure - Derivatives and Hedging Activity - Fair Value (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityFairValueDetails", "shortName": "Derivatives and Hedging Activity - Fair Value (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateSwapMember_us-gaap_HedgingDesignationAxis_us-gaap_NondesignatedMember_oqFEfH3GBEi4eoguFgzOEQ", "decimals": "-3", "lang": null, "name": "us-gaap:DerivativeAssets", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R73": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_4_1_2020_To_6_30_2020_MakY5kF6IUSzv0tk3BNlUg", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:GainLossOnDerivativeInstrumentsNetPretax", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41203 - Disclosure - Derivatives and Hedging Activity - Effect on Financial Statements (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityEffectOnFinancialStatementsDetails", "shortName": "Derivatives and Hedging Activity - Effect on Financial Statements (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_4_1_2020_To_6_30_2020_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateSwapMember_5dkMXj5dBEScAouHyXjFhA", "decimals": "-3", "lang": null, "name": "us-gaap:GainLossOnDerivativeInstrumentsNetPretax", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R74": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DerivativeAssets", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41301 - Disclosure - Offsetting Assets and Liabilities (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails", "shortName": "Offsetting Assets and Liabilities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "stwd:OffsettingAssetsAndLiabilitiesTableTextBlock", "stwd:OffsettingAssetsAndLiabilitiesTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "lang": null, "name": "us-gaap:DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R75": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:Assets", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41401 - Disclosure - Variable Interest Entities - Assets and Liabilities of Consolidated CLO (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesAssetsAndLiabilitiesOfConsolidatedCloDetails", "shortName": "Variable Interest Entities - Assets and Liabilities of Consolidated CLO (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:ScheduleOfVariableInterestEntitiesTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_srt_ConsolidatedEntitiesAxis_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_us-gaap_DebtInstrumentAxis_us-gaap_CollateralizedLoanObligationsMember_fcXoVqC5vkKxiW7pNUqw1w", "decimals": "-3", "lang": null, "name": "stwd:VariableInterestEntityConsolidatedCarryingAmountLoansHeldForInvestment", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R76": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:Assets", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41402 - Disclosure - Variable Interest Entities (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails", "shortName": "Variable Interest Entities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "INF", "lang": null, "name": "stwd:NumberOfCollateralizedDebtObligationStructuresConsolidated", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_item_gmlVOcpZ90qOlnxbtxJrPw", "xsiNil": "false" } }, "R77": { "firstAnchor": { "ancestors": [ "p", "us-gaap:RelatedPartyTransactionsDisclosureTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-5", "first": true, "lang": null, "name": "stwd:RelatedPartyBaseManagementFeePayable", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41501 - Disclosure - Related-Party Transactions (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails", "shortName": "Related-Party Transactions (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "us-gaap:RelatedPartyTransactionsDisclosureTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_12_31_2019_rIwWy-oUXESGTIIDT2ZT7Q", "decimals": "-5", "lang": null, "name": "stwd:RelatedPartyBaseManagementFeePayable", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R78": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "stwd:MovementInMortgageLoansOnRealEstateTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:MortgageLoansOnRealEstateNewMortgageLoans", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41502 - Disclosure - Related-Party Transactions - Investments in Loans and Securities and Other Arrangements (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails", "shortName": "Related-Party Transactions - Investments in Loans and Securities and Other Arrangements (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_1_31_2020_us-gaap_FinancialInstrumentAxis_stwd_MezzanineLoanMember_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_stwd_StarwoodEuropeanRealEstateFinanceLimitedMember_xwKCS2eFhE2TjchdzmFJKg", "decimals": "-5", "lang": null, "name": "us-gaap:PaymentsToFundLongtermLoansToRelatedParties", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_EUR_qMzwPjswREygfGdO8T_T-A", "xsiNil": "false" } }, "R79": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:DividendsDeclaredTableTextBlock", "us-gaap:ShareholdersEquityAndShareBasedPaymentsTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_6_16_2020_To_6_16_2020_SvvjwhuX-EqHwq0I4ipxMQ", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:CommonStockDividendsPerShareDeclared", "reportCount": 1, "unitRef": "Unit_Divide_USD_shares_IbXbzsV4eUGC_14SL5CfDg", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41601 - Disclosure - Stockholders' Equity and Non-Controlling Interests (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails", "shortName": "Stockholders' Equity and Non-Controlling Interests (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "stwd:StockIssuedDuringPeriodSharesATMEquityOfferingSalesAgreement", "p", "us-gaap:ShareholdersEquityAndShareBasedPaymentsTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": "INF", "lang": null, "name": "stwd:StockIssuedDuringPeriodSharesATMEquityOfferingSalesAgreement", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_shares_V1c9rx7cBE21yGbStpNX_Q", "xsiNil": "false" } }, "R8": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_4_1_2020_To_6_30_2020_MakY5kF6IUSzv0tk3BNlUg", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:ProfitLoss", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "00500 - Statement - Condensed Consolidated Statements of Cash Flows", "role": "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows", "shortName": "Condensed Consolidated Statements of Cash Flows", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": "-3", "lang": null, "name": "us-gaap:AmortizationOfDeferredCharges", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R80": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod", "reportCount": 1, "unitRef": "Unit_Standard_shares_V1c9rx7cBE21yGbStpNX_Q", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41602 - Disclosure - Stockholders' Equity and Non-Controlling Interests - Equity Incentive Plans (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsEquityIncentivePlansDetails", "shortName": "Stockholders' Equity and Non-Controlling Interests - Equity Incentive Plans (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "stwd:ScheduleOfShareAwardsGrantedToManagerAsIncentiveCompensationTableTextBlock", "us-gaap:ShareholdersEquityAndShareBasedPaymentsTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_9_1_2019_To_9_30_2019_us-gaap_VestingAxis_us-gaap_ShareBasedCompensationAwardTrancheOneMember_EilJEnbEIE2kQqeMxRmxgQ", "decimals": "0", "lang": null, "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_shares_V1c9rx7cBE21yGbStpNX_Q", "xsiNil": "false" } }, "R81": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_12_31_2019_rIwWy-oUXESGTIIDT2ZT7Q", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_shares_V1c9rx7cBE21yGbStpNX_Q", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41603 - Disclosure - Stockholders' Equity and Non-Controlling Interests - Non-Vested Shares (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsNonVestedSharesDetails", "shortName": "Stockholders' Equity and Non-Controlling Interests - Non-Vested Shares (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_12_31_2019_rIwWy-oUXESGTIIDT2ZT7Q", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_shares_V1c9rx7cBE21yGbStpNX_Q", "xsiNil": "false" } }, "R82": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_4_1_2020_To_6_30_2020_MakY5kF6IUSzv0tk3BNlUg", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:IncomeLossFromContinuingOperations", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41701 - Disclosure - Earnings per Share (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails", "shortName": "Earnings per Share (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_4_1_2020_To_6_30_2020_MakY5kF6IUSzv0tk3BNlUg", "decimals": "-3", "lang": null, "name": "stwd:IncomeLossFromContinuingOperationsBasic", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R83": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis_stwd_ClassaUnitsMember_nIKhOvhkJUS5jtXllAOYoA", "decimals": "-5", "first": true, "lang": null, "name": "stwd:UnitsConvertibleNumberOfEquityInstruments", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_item_gmlVOcpZ90qOlnxbtxJrPw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41702 - Disclosure - Earnings per Share - Dilutive and Antidilutive securities (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDilutiveAndAntidilutiveSecuritiesDetails", "shortName": "Earnings per Share - Dilutive and Antidilutive securities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis_stwd_ClassaUnitsMember_nIKhOvhkJUS5jtXllAOYoA", "decimals": "-5", "first": true, "lang": null, "name": "stwd:UnitsConvertibleNumberOfEquityInstruments", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_item_gmlVOcpZ90qOlnxbtxJrPw", "xsiNil": "false" } }, "R84": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "us-gaap:ComprehensiveIncomeNoteTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_3_31_2020_R4gWXHJ17UW2R6drml5GKQ", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41801 - Disclosure - Accumulated Other Comprehensive Income - Changes in AOCI (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureAccumulatedOtherComprehensiveIncomeChangesInAociDetails", "shortName": "Accumulated Other Comprehensive Income - Changes in AOCI (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "us-gaap:ComprehensiveIncomeNoteTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_4_1_2020_To_6_30_2020_MakY5kF6IUSzv0tk3BNlUg", "decimals": "-3", "lang": null, "name": "us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R85": { "firstAnchor": { "ancestors": [ "p", "us-gaap:FairValueMeasurementPolicyPolicyTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-5", "first": true, "lang": null, "name": "stwd:PermittedReinvestmentUnderStaticInvestmentInVariableInterestEntity", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41901 - Disclosure - Fair Value - Financial Assets and Liabilities (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "shortName": "Fair Value - Financial Assets and Liabilities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember_uQAwlbTjLUarPfpErptniA", "decimals": "-3", "lang": null, "name": "us-gaap:DerivativeAssets", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R86": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41902 - Disclosure - Fair Value - Level III (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails", "shortName": "Fair Value - Level III (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_3_31_2020_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_ZSb1srd_4k-XmcHorlDsjA", "decimals": "-3", "lang": null, "name": "us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R87": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:HeldToMaturitySecuritiesTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:HeldToMaturitySecurities", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41903 - Disclosure - Fair Value - Financial Instruments Not Carried at Fair Value (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialInstrumentsNotCarriedAtFairValueDetails", "shortName": "Fair Value - Financial Instruments Not Carried at Fair Value (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:FairValueByBalanceSheetGroupingTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_us-gaap_FairValueByMeasurementBasisAxis_us-gaap_CarryingReportedAmountFairValueDisclosureMember_QmFMWESxZUqIRbpwbcWrOw", "decimals": "-3", "lang": null, "name": "stwd:LoansAndLeasesReceivableNetIncludingLoansTransferredInSecuritizations", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R88": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:ServicingAssetAtFairValueAmount", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41904 - Disclosure - Fair Value - Significant unobservable inputs (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails", "shortName": "Fair Value - Significant unobservable inputs (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "stwd:FairValueInputsAssetsLiabilitiesQuantitativeInformationTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_srt_RangeAxis_srt_MinimumMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember_us-gaap_FinancialInstrumentAxis_stwd_LoansHeldForSaleMember_y5agZYrgIECJxya0C82SFQ", "decimals": null, "lang": "en-US", "name": "us-gaap:LoansHeldForSaleTerm", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R89": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:Assets", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42001 - Disclosure - Income Taxes (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesDetails", "shortName": "Income Taxes (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "us-gaap:IncomeTaxDisclosureTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_dei_LegalEntityAxis_stwd_TRSSubsidiariesMember_us-gaap_StatementBusinessSegmentsAxis_stwd_LNRBusinessSegmentsMember_A71tK9OfY0Gs16IXhnn23Q", "decimals": "-8", "lang": null, "name": "us-gaap:Assets", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R9": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:NatureOfOperations", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10101 - Disclosure - Business and Organization", "role": "http://www.starwoodpropertytrust.com/role/DisclosureBusinessAndOrganization", "shortName": "Business and Organization", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_1_1_2020_To_6_30_2020_lD03Egr-s0er1ErkLT4C5w", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:NatureOfOperations", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R90": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_4_1_2020_To_6_30_2020_MakY5kF6IUSzv0tk3BNlUg", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42002 - Disclosure - Income Taxes - Reconciliation of Tax Rate (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails", "shortName": "Income Taxes - Reconciliation of Tax Rate (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_4_1_2020_To_6_30_2020_MakY5kF6IUSzv0tk3BNlUg", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R91": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "INF", "first": true, "lang": null, "name": "stwd:DerivativeGuaranteesNumberOfInstrumentsHeld", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_item_gmlVOcpZ90qOlnxbtxJrPw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42101 - Disclosure - Commitments and Contingencies (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureCommitmentsAndContingenciesDetails", "shortName": "Commitments and Contingencies (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "INF", "first": true, "lang": null, "name": "stwd:DerivativeGuaranteesNumberOfInstrumentsHeld", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_item_gmlVOcpZ90qOlnxbtxJrPw", "xsiNil": "false" } }, "R92": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_4_1_2020_To_6_30_2020_MakY5kF6IUSzv0tk3BNlUg", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:InterestAndFeeIncomeLoansCommercial", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42201 - Disclosure - Segment Data - Results of Operations (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "shortName": "Segment Data - Results of Operations (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "stwd:ScheduleOfSegmentReportingInformationOfResultsOfOperationsBySegmentTableTextBlock", "us-gaap:SegmentReportingDisclosureTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "Duration_4_1_2020_To_6_30_2020_srt_ConsolidationItemsAxis_stwd_OperatingSegmentsAndCorporateNonSegmentMember_KXgRZYz3fkemMV6SfUrXqQ", "decimals": "-3", "lang": null, "name": "us-gaap:InterestAndFeeIncomeLoansCommercial", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R93": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_x-TIJ_ZKuk2lNhBTVXozjQ", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "reportCount": 1, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42202 - Disclosure - Segment Data - Balance sheets (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "shortName": "Segment Data - Balance sheets (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "stwd:ScheduleOfCondensedConsolidatedBalanceSheetBySegmentTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_6_30_2020_srt_ConsolidationItemsAxis_stwd_OperatingSegmentsAndCorporateNonSegmentMember_1Oe35TwGr0eM_SLMfiEIFg", "decimals": "-3", "lang": null, "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } }, "R94": { "firstAnchor": { "ancestors": [ "p", "us-gaap:SubsequentEventsTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_7_31_2020_us-gaap_AssetsSoldUnderAgreementsToRepurchaseAxis_stwd_InfrastructureLoansMember_us-gaap_SubsequentEventTypeAxis_us-gaap_SubsequentEventMember_s157GeZArU-WZZmmxEbypg", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:LineOfCreditFacilityCapacityAvailableForSpecificPurposeOtherThanForTradePurchases", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42301 - Disclosure - Subsequent Events (Details)", "role": "http://www.starwoodpropertytrust.com/role/DisclosureSubsequentEventsDetails", "shortName": "Subsequent Events (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "us-gaap:SubsequentEventsTextBlock", "div", "div", "body", "html" ], "baseRef": "stwd-20200630x10q.htm", "contextRef": "As_Of_7_31_2020_us-gaap_AssetsSoldUnderAgreementsToRepurchaseAxis_stwd_InfrastructureLoansMember_us-gaap_SubsequentEventTypeAxis_us-gaap_SubsequentEventMember_s157GeZArU-WZZmmxEbypg", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:LineOfCreditFacilityCapacityAvailableForSpecificPurposeOtherThanForTradePurchases", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_cmIWrBTeckKWPoCC7nIP9w", "xsiNil": "false" } } }, "segmentCount": 189, "tag": { "currency_AUD": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "A U [D]", "terseLabel": "AUD" } } }, "localname": "AUD", "nsuri": "http://xbrl.sec.gov/currency/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails" ], "xbrltype": "domainItemType" }, "currency_AllCurrenciesDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "All Currencies [Domain]", "terseLabel": "All Currencies [Domain]" } } }, "localname": "AllCurrenciesDomain", "nsuri": "http://xbrl.sec.gov/currency/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails" ], "xbrltype": "domainItemType" }, "currency_EUR": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "E U [R]", "terseLabel": "EUR" } } }, "localname": "EUR", "nsuri": "http://xbrl.sec.gov/currency/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails" ], "xbrltype": "domainItemType" }, "currency_GBP": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "G B [P]", "terseLabel": "GBP" } } }, "localname": "GBP", "nsuri": "http://xbrl.sec.gov/currency/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails" ], "xbrltype": "domainItemType" }, "currency_USD": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "U S [D]", "terseLabel": "USD" } } }, "localname": "USD", "nsuri": "http://xbrl.sec.gov/currency/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails" ], "xbrltype": "domainItemType" }, "dei_AmendmentFlag": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.", "label": "Amendment Flag" } } }, "localname": "AmendmentFlag", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_CityAreaCode": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Area code of city", "label": "City Area Code" } } }, "localname": "CityAreaCode", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_CurrentFiscalYearEndDate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "End date of current fiscal year in the format --MM-DD.", "label": "Current Fiscal Year End Date" } } }, "localname": "CurrentFiscalYearEndDate", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "gMonthDayItemType" }, "dei_DocumentFiscalPeriodFocus": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Fiscal period values are FY, Q1, Q2, and Q3. 1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.", "label": "Document Fiscal Period Focus" } } }, "localname": "DocumentFiscalPeriodFocus", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "fiscalPeriodItemType" }, "dei_DocumentFiscalYearFocus": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "This is focus fiscal year of the document report in CCYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.", "label": "Document Fiscal Year Focus" } } }, "localname": "DocumentFiscalYearFocus", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "gYearItemType" }, "dei_DocumentPeriodEndDate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.", "label": "Document Period End Date" } } }, "localname": "DocumentPeriodEndDate", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "dateItemType" }, "dei_DocumentQuarterlyReport": { "auth_ref": [ "r569" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true only for a form used as an quarterly report.", "label": "Document Quarterly Report" } } }, "localname": "DocumentQuarterlyReport", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_DocumentTransitionReport": { "auth_ref": [ "r570" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true only for a form used as a transition report.", "label": "Document Transition Report" } } }, "localname": "DocumentTransitionReport", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_DocumentType": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.", "label": "Document Type" } } }, "localname": "DocumentType", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "submissionTypeItemType" }, "dei_EntityAddressAddressLine1": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Address Line 1 such as Attn, Building Name, Street Name", "label": "Entity Address, Address Line One" } } }, "localname": "EntityAddressAddressLine1", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressCityOrTown": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of the City or Town", "label": "Entity Address, City or Town" } } }, "localname": "EntityAddressCityOrTown", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressPostalZipCode": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Code for the postal or zip code", "label": "Entity Address, Postal Zip Code" } } }, "localname": "EntityAddressPostalZipCode", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressStateOrProvince": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of the state or province.", "label": "Entity Address, State or Province" } } }, "localname": "EntityAddressStateOrProvince", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "stateOrProvinceItemType" }, "dei_EntityCentralIndexKey": { "auth_ref": [ "r571" ], "lang": { "en-US": { "role": { "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.", "label": "Entity Central Index Key" } } }, "localname": "EntityCentralIndexKey", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "centralIndexKeyItemType" }, "dei_EntityCommonStockSharesOutstanding": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.", "label": "Entity Common Stock, Shares Outstanding" } } }, "localname": "EntityCommonStockSharesOutstanding", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "sharesItemType" }, "dei_EntityCurrentReportingStatus": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.", "label": "Entity Current Reporting Status" } } }, "localname": "EntityCurrentReportingStatus", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "yesNoItemType" }, "dei_EntityDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains.", "label": "Entity [Domain]", "terseLabel": "Entity [Domain]" } } }, "localname": "EntityDomain", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "domainItemType" }, "dei_EntityEmergingGrowthCompany": { "auth_ref": [ "r571" ], "lang": { "en-US": { "role": { "documentation": "Indicate if registrant meets the emerging growth company criteria.", "label": "Entity Emerging Growth Company" } } }, "localname": "EntityEmergingGrowthCompany", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_EntityFileNumber": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.", "label": "Entity File Number" } } }, "localname": "EntityFileNumber", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "fileNumberItemType" }, "dei_EntityFilerCategory": { "auth_ref": [ "r571" ], "lang": { "en-US": { "role": { "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.", "label": "Entity Filer Category" } } }, "localname": "EntityFilerCategory", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "filerCategoryItemType" }, "dei_EntityIncorporationStateCountryCode": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Two-character EDGAR code representing the state or country of incorporation.", "label": "Entity Incorporation, State or Country Code" } } }, "localname": "EntityIncorporationStateCountryCode", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "edgarStateCountryItemType" }, "dei_EntityInteractiveDataCurrent": { "auth_ref": [ "r572" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).", "label": "Entity Interactive Data Current" } } }, "localname": "EntityInteractiveDataCurrent", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "yesNoItemType" }, "dei_EntityRegistrantName": { "auth_ref": [ "r571" ], "lang": { "en-US": { "role": { "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.", "label": "Entity Registrant Name" } } }, "localname": "EntityRegistrantName", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityShellCompany": { "auth_ref": [ "r571" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.", "label": "Entity Shell Company" } } }, "localname": "EntityShellCompany", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_EntitySmallBusiness": { "auth_ref": [ "r571" ], "lang": { "en-US": { "role": { "documentation": "Indicates that the company is a Smaller Reporting Company (SRC).", "label": "Entity Small Business" } } }, "localname": "EntitySmallBusiness", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_EntityTaxIdentificationNumber": { "auth_ref": [ "r571" ], "lang": { "en-US": { "role": { "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.", "label": "Entity Tax Identification Number" } } }, "localname": "EntityTaxIdentificationNumber", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "employerIdItemType" }, "dei_LegalEntityAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The set of legal entities associated with a report.", "label": "Legal Entity [Axis]" } } }, "localname": "LegalEntityAxis", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "stringItemType" }, "dei_LocalPhoneNumber": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Local phone number for entity.", "label": "Local Phone Number" } } }, "localname": "LocalPhoneNumber", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_Security12bTitle": { "auth_ref": [ "r567" ], "lang": { "en-US": { "role": { "documentation": "Title of a 12(b) registered security.", "label": "Title of 12(b) Security" } } }, "localname": "Security12bTitle", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "securityTitleItemType" }, "dei_SecurityExchangeName": { "auth_ref": [ "r568" ], "lang": { "en-US": { "role": { "documentation": "Name of the Exchange on which a security is registered.", "label": "Security Exchange Name" } } }, "localname": "SecurityExchangeName", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "edgarExchangeCodeItemType" }, "dei_TradingSymbol": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Trading symbol of an instrument as listed on an exchange.", "label": "Trading Symbol" } } }, "localname": "TradingSymbol", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "tradingSymbolItemType" }, "srt_ConsolidatedEntitiesAxis": { "auth_ref": [ "r561", "r573" ], "lang": { "en-US": { "role": { "documentation": "Information by consolidated entity or group of entities.", "label": "Consolidated Entities [Axis]" } } }, "localname": "ConsolidatedEntitiesAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesAssetsAndLiabilitiesOfConsolidatedCloDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "stringItemType" }, "srt_ConsolidatedEntitiesDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Entity or group of entities consolidated into reporting entity.", "label": "Consolidated Entities [Domain]", "terseLabel": "Consolidated Entities [Domain]" } } }, "localname": "ConsolidatedEntitiesDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesAssetsAndLiabilitiesOfConsolidatedCloDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "domainItemType" }, "srt_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Consolidated entity excluding variable interest entities (VIE).", "label": "Consolidated Entity Excluding Variable Interest Entities V I E [Member]", "terseLabel": "Before consolidation of securitization VIEs" } } }, "localname": "ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "domainItemType" }, "srt_ConsolidationEliminationsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Eliminating entries used in consolidating a parent entity and its subsidiaries.", "label": "Consolidation Eliminations [Member]", "terseLabel": "VIE eliminations" } } }, "localname": "ConsolidationEliminationsMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "domainItemType" }, "srt_ConsolidationItemsAxis": { "auth_ref": [ "r172", "r182" ], "lang": { "en-US": { "role": { "documentation": "Information by components, eliminations, non-segment corporate-level activity and reconciling items used in consolidating a parent entity and its subsidiaries or its operating segments.", "label": "Consolidation Items [Axis]" } } }, "localname": "ConsolidationItemsAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails" ], "xbrltype": "stringItemType" }, "srt_ConsolidationItemsDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Components, elimination, non-segment corporate-level activity and reconciling items used in consolidating a parent entity and its subsidiaries or its operating segments.", "label": "Consolidation Items [Domain]", "terseLabel": "Consolidation Items [Domain]" } } }, "localname": "ConsolidationItemsDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails" ], "xbrltype": "domainItemType" }, "srt_CreditRatingStandardPoorsAxis": { "auth_ref": [ "r198", "r249", "r256", "r293", "r404" ], "lang": { "en-US": { "role": { "documentation": "Information by Standard and Poor's rating.", "label": "Credit Rating, Standard & Poor's [Axis]" } } }, "localname": "CreditRatingStandardPoorsAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "stringItemType" }, "srt_CurrencyAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by currency.", "label": "Currency [Axis]" } } }, "localname": "CurrencyAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails" ], "xbrltype": "stringItemType" }, "srt_EquityMethodInvesteeNameDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of investment, including named security. Excludes consolidated entity.", "label": "Equity Method Investee Name [Domain]", "terseLabel": "Investment, Name [Domain]" } } }, "localname": "EquityMethodInvesteeNameDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesSerefDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "domainItemType" }, "srt_ExternalCreditRatingStandardPoorsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Credit-ratings as used by Standard & Poor's. Contact Standard & Poor's for a complete list of ratings and their definitions.", "label": "External Credit Rating Standard Poors [Member]", "terseLabel": "External Credit Rating, Standard & Poor's [Domain]" } } }, "localname": "ExternalCreditRatingStandardPoorsMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "domainItemType" }, "srt_MaximumMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Upper limit of the provided range.", "label": "Maximum [Member]", "terseLabel": "Maximum" } } }, "localname": "MaximumMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "srt_MinimumMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Lower limit of the provided range.", "label": "Minimum [Member]", "terseLabel": "Minimum" } } }, "localname": "MinimumMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "srt_MortgageLoansOnRealEstateCollectionsOfPrincipal": { "auth_ref": [ "r559", "r575" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of decrease in investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, from collection of principal.", "label": "Mortgage Loans on Real Estate, Collections of Principal", "negatedLabel": "Loan maturities/principal repayments" } } }, "localname": "MortgageLoansOnRealEstateCollectionsOfPrincipal", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails" ], "xbrltype": "monetaryItemType" }, "srt_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis": { "auth_ref": [ "r558", "r574" ], "lang": { "en-US": { "role": { "documentation": "Information by loan category for investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.", "label": "Mortgage Loans on Real Estate, Description, Loan Category [Axis]" } } }, "localname": "MortgageLoansOnRealEstateDescriptionLoanCategoryAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansVariableRateLoansHeldForInvestmentDetails" ], "xbrltype": "stringItemType" }, "srt_MortgageLoansOnRealEstateInterestRate": { "auth_ref": [ "r556", "r576" ], "lang": { "en-US": { "role": { "documentation": "Interest rate of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.", "label": "Mortgage Loans on Real Estate, Interest Rate", "terseLabel": "Weighted Average Coupon (as a percent)" } } }, "localname": "MortgageLoansOnRealEstateInterestRate", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails" ], "xbrltype": "percentItemType" }, "srt_MortgageLoansOnRealEstateLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Mortgage Loans on Real Estate [Line Items]", "terseLabel": "Investments in loans" } } }, "localname": "MortgageLoansOnRealEstateLineItems", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansVariableRateLoansHeldForInvestmentDetails" ], "xbrltype": "stringItemType" }, "srt_MortgageLoansOnRealEstateLoanCategoryDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Loan category for investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.", "label": "Mortgage Loans On Real Estate Loan Category [Domain]", "terseLabel": "Mortgage Loans on Real Estate, Loan Category [Domain]" } } }, "localname": "MortgageLoansOnRealEstateLoanCategoryDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansVariableRateLoansHeldForInvestmentDetails" ], "xbrltype": "domainItemType" }, "srt_MortgageLoansOnRealEstateScheduleTable": { "auth_ref": [ "r560", "r577" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.", "label": "Mortgage Loans on Real Estate Schedule [Table]" } } }, "localname": "MortgageLoansOnRealEstateScheduleTable", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansVariableRateLoansHeldForInvestmentDetails" ], "xbrltype": "stringItemType" }, "srt_RangeAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by statistical measurement. Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median.", "label": "Range [Axis]" } } }, "localname": "RangeAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAcquisitionsAndDivestituresDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "stringItemType" }, "srt_RangeMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Statistical measurement. Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median.", "label": "Range [Member]", "terseLabel": "Range [Domain]" } } }, "localname": "RangeMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAcquisitionsAndDivestituresDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "srt_RestatementAdjustmentMember": { "auth_ref": [ "r135", "r136", "r137", "r138" ], "lang": { "en-US": { "role": { "documentation": "Effect of a correction of an error, other prior year adjustment, or application of a new accounting pronouncement on a financial statement line item or any per share amounts. The cumulative effect of the change on retained earnings or net assets in the statement of financial position would also be represented under this domain member.", "label": "Restatement Adjustment [Member]", "terseLabel": "Reclassification Adjustment" } } }, "localname": "RestatementAdjustmentMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "srt_RestatementAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by revision of previously issued financial statements.", "label": "Restatement [Axis]" } } }, "localname": "RestatementAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "stringItemType" }, "srt_RestatementDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Revision of previously issued financial statements.", "label": "Restatement [Domain]", "terseLabel": "Restatement [Domain]" } } }, "localname": "RestatementDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "srt_ScenarioUnspecifiedDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Scenario reported, distinguishing information from actual fact. Includes, but is not limited to, pro forma and forecast. Excludes actual facts.", "label": "Scenario Unspecified [Domain]", "terseLabel": "Scenario, Unspecified [Domain]" } } }, "localname": "ScenarioUnspecifiedDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "domainItemType" }, "srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis": { "auth_ref": [ "r234" ], "lang": { "en-US": { "role": { "documentation": "Information by name of investment, including named security. Excludes consolidated entity.", "label": "Investment, Name [Axis]" } } }, "localname": "ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesSerefDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "stringItemType" }, "srt_StandardPoorsBMinusRatingMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "B- credit rating as defined by the external credit rating agency, Standard & Poor's.", "label": "Standard Poors B Minus Rating [Member]", "terseLabel": "B-" } } }, "localname": "StandardPoorsBMinusRatingMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "domainItemType" }, "srt_StatementScenarioAxis": { "auth_ref": [ "r291", "r457" ], "lang": { "en-US": { "role": { "documentation": "Information by scenario reported, distinguishing information from actual fact. Includes, but is not limited to, pro forma and forecast. Excludes actual facts.", "label": "Scenario [Axis]" } } }, "localname": "StatementScenarioAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "stringItemType" }, "srt_SubsidiariesMember": { "auth_ref": [ "r324", "r450", "r451" ], "lang": { "en-US": { "role": { "documentation": "Entity owned or controlled by another entity.", "label": "Subsidiaries [Member]", "terseLabel": "SPT Dolphin" } } }, "localname": "SubsidiariesMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "domainItemType" }, "srt_WeightedAverageMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Average of a range of values, calculated with consideration of proportional relevance.", "label": "Weighted Average [Member]", "terseLabel": "Weighted-average" } } }, "localname": "WeightedAverageMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAcquisitionsAndDivestituresDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "stwd_AccretionOfNetDeferredLoanFeesAndDiscounts": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the accretion of net deferred loan fees and discounts.", "label": "Accretion of Net Deferred Loan Fees and Discounts", "negatedLabel": "Accretion of net deferred loan fees and discounts" } } }, "localname": "AccretionOfNetDeferredLoanFeesAndDiscounts", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "stwd_AccumulatedDeficitCharge": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Accumulated deficit charge relating to credit loss allowance.", "label": "Accumulated Deficit Charge", "terseLabel": "Accumulated deficit charge" } } }, "localname": "AccumulatedDeficitCharge", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails" ], "xbrltype": "monetaryItemType" }, "stwd_AcquisitionAndInvestmentPursuitCosts": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 4.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents costs incurred in connection with both acquiring loans as well as in pursuing unsuccessful acquisitions and originations.", "label": "Acquisition and Investment Pursuit Costs", "terseLabel": "Acquisition and investment pursuit costs" } } }, "localname": "AcquisitionAndInvestmentPursuitCosts", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "stwd_AcquisitionsAndDivestituresDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Acquisitions and Divestitures" } } }, "localname": "AcquisitionsAndDivestituresDisclosureAbstract", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "xbrltype": "stringItemType" }, "stwd_AdditionalExtensionTerm": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the period by which the term of the debt instrument underlying assets may be additionally extended.", "label": "Additional Extension Term", "terseLabel": "Additional extension term" } } }, "localname": "AdditionalExtensionTerm", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "durationItemType" }, "stwd_AffiliatesOfChairmanAndCeoMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the information pertaining to office lease agreement with affiliate of the chairman and CEO.", "label": "Affiliates Of Chairman And Ceo [Member]", "terseLabel": "Affiliates Of Chairman And CEO" } } }, "localname": "AffiliatesOfChairmanAndCeoMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "domainItemType" }, "stwd_AffiliatesOfManagerMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information related to affiliates of the manager of the entity.", "label": "Affiliates Of Manager [Member]", "terseLabel": "Affiliates of Manager" } } }, "localname": "AffiliatesOfManagerMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "domainItemType" }, "stwd_AffordableHousingPortfolioMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the Affordable Housing portfolio of properties.", "label": "Affordable Housing Portfolio [Member]", "terseLabel": "Woodstar Portfolio" } } }, "localname": "AffordableHousingPortfolioMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "domainItemType" }, "stwd_AllowanceForCreditLossMarketableSecurities": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of allowance for credit loss on investment in marketable securities.", "label": "Allowance For Credit Loss, Marketable Securities", "terseLabel": "Investment securities, net, credit loss allowances" } } }, "localname": "AllowanceForCreditLossMarketableSecurities", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "monetaryItemType" }, "stwd_AmountOfNetGainOrLossFromSaleOfFinancialAssetsInSecuritizations": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Net gain or loss resulting from the difference between the sale price and the carrying value when a financial asset transferred in a securitization, asset-backed financing arrangement, or similar transfer is accounted for as a sale, including those transactions in which the seller or transferor has continuing involvement with the financial assets that have been transferred.", "label": "Amount of Net Gain or Loss from Sale of Financial Assets in Securitizations", "terseLabel": "Net gains (losses) on the sale of loan qualifying for sales treatment" } } }, "localname": "AmountOfNetGainOrLossFromSaleOfFinancialAssetsInSecuritizations", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "stwd_AmountOutstandingOnRepurchaseFacility": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The amount outstanding on a repurchase facility", "label": "Amount Outstanding On Repurchase Facility", "terseLabel": "Amount outstanding on repurchase facility" } } }, "localname": "AmountOutstandingOnRepurchaseFacility", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "monetaryItemType" }, "stwd_AmountOutstandingOnRepurchaseFacilityNotSubjectToMarginCalls": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The amount outstanding on a repurchase facility that is not subject to margin calls.", "label": "Amount Outstanding On Repurchase Facility Not Subject To Margin Calls", "terseLabel": "Amount outstanding on a repurchase facility not subject to margin calls" } } }, "localname": "AmountOutstandingOnRepurchaseFacilityNotSubjectToMarginCalls", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "monetaryItemType" }, "stwd_AreaOfOfficeSpaceLeased": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The area of office space leased.", "label": "Area Of Office Space Leased", "terseLabel": "Area of office space" } } }, "localname": "AreaOfOfficeSpaceLeased", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "integerItemType" }, "stwd_AvailableForSaleSecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor as trading before the adjustments for other-than-temporary impairments are recognized in earnings.", "label": "Available for sale Securities Amortized Cost before Other than Temporary Impairment", "totalLabel": "Purchase Amortized Cost" } } }, "localname": "AvailableForSaleSecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "stwd_AvailableForSaleSecuritiesCostOfThirdPartyManagement": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the cost to execute trading of available-for-sale securities by a third party manager engaged by the entity.", "label": "Available for Sale Securities, Cost of Third Party Management", "terseLabel": "Cost of third party management" } } }, "localname": "AvailableForSaleSecuritiesCostOfThirdPartyManagement", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "stwd_AvailableForSaleSecuritiesVariableRateBasisPercentage": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the percentage of the reference rate for the variable rate on available-for-sale securities as of the balance sheet date.", "label": "Available for Sale Securities, Variable Rate Basis, Percentage", "terseLabel": "Effective variable rate basis (as a percent)" } } }, "localname": "AvailableForSaleSecuritiesVariableRateBasisPercentage", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "percentItemType" }, "stwd_AvailableForSaleSecuritiesWeightedAverageBasisSpreadOnVariableRate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The percentage points added to the reference rate to compute the variable rate on available-for-sale securities.", "label": "Available for Sale Securities, Weighted Average Basis Spread on Variable Rate", "terseLabel": "Variable rate, weighted average spread (as a percent)" } } }, "localname": "AvailableForSaleSecuritiesWeightedAverageBasisSpreadOnVariableRate", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "percentItemType" }, "stwd_BalanceSheetPresentationOfInvestingAndServicingSegmentsVariableInterestEntitiesPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Describes the entity's accounting policy for the balance sheet presentation of the Investing and Servicing Segment's variable interest entities.", "label": "Balance Sheet Presentation of the Investing and Servicing Segments Variable Interest Entities [Policy Text Block]", "terseLabel": "Balance Sheet Presentation of Securitization Variable Interest Entities" } } }, "localname": "BalanceSheetPresentationOfInvestingAndServicingSegmentsVariableInterestEntitiesPolicyTextBlock", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "stwd_BuildingsGross": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails": { "order": 2.0, "parentTag": "us-gaap_RealEstateInvestmentPropertyAtCost", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before accumulated depreciation of building structures held for productive use.", "label": "Buildings Gross", "terseLabel": "Buildings" } } }, "localname": "BuildingsGross", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "monetaryItemType" }, "stwd_BusinessAcquisitionEquityInterestsIssuableUponContingentConsiderationNumberOfShares": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of shares of equity interests issuable upon contingent consideration in business acquisition.", "label": "Business Acquisition Equity Interests Issuable Upon Contingent Consideration Number of Shares", "terseLabel": "Right to receive additional shares" } } }, "localname": "BusinessAcquisitionEquityInterestsIssuableUponContingentConsiderationNumberOfShares", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "sharesItemType" }, "stwd_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDebt": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of debt as of the reporting date.", "label": "Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Debt", "terseLabel": "Debt" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDebt", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "monetaryItemType" }, "stwd_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTotalGrossPropertiesAndLeaseIntangibles": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of total gross properties and lease intangibles acquired at the acquisition date.", "label": "Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Total Gross Properties And Lease Intangibles", "terseLabel": "Total gross properties and lease intangibles" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTotalGrossPropertiesAndLeaseIntangibles", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "monetaryItemType" }, "stwd_CertainFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the information pertaining to certain facility.", "label": "Certain Facility [Member]", "terseLabel": "Certain Facilities" } } }, "localname": "CertainFacilityMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "stwd_ChangeInFairValueOfConsolidatedVariableInterestEntity": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 9.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents changes in fair value of consolidated VIEs during the reporting period.", "label": "Change in Fair Value of Consolidated Variable Interest Entity", "negatedLabel": "Change in fair value of consolidated VIEs" } } }, "localname": "ChangeInFairValueOfConsolidatedVariableInterestEntity", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "stwd_ChangeInFairValueOfServicingRights": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 10.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "This item represents the total unrealized gain (loss) on servicing rights.", "label": "Change In Fair Value Of Servicing Rights", "negatedLabel": "Change in fair value of servicing rights" } } }, "localname": "ChangeInFairValueOfServicingRights", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "stwd_ClassaUnitsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to ClassA Units.", "label": "Classa Units [Member]", "terseLabel": "Class A Units" } } }, "localname": "ClassaUnitsMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDilutiveAndAntidilutiveSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "domainItemType" }, "stwd_CmbsJvMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to CMBS joint venture.", "label": "Cmbs Jv [Member]", "terseLabel": "CMBS JV" } } }, "localname": "CmbsJvMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "domainItemType" }, "stwd_CollateralizedLoanObligationsTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure for collateralized loan obligations.", "label": "Collateralized Loan Obligations [Table Text Block]", "terseLabel": "Schedule of collateralized loan obligations" } } }, "localname": "CollateralizedLoanObligationsTableTextBlock", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsTables" ], "xbrltype": "textBlockItemType" }, "stwd_CommercialAndResidentialLendingSegmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "This member stands for commercial and residential lending segment.", "label": "Commercial And Residential Lending Segment [Member]", "terseLabel": "Commercial and Residential Lending Segment" } } }, "localname": "CommercialAndResidentialLendingSegmentMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureCommitmentsAndContingenciesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesTables", "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails" ], "xbrltype": "domainItemType" }, "stwd_CommercialFinancingFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the information pertaining to commercial financing facility.", "label": "Commercial Financing Facility [Member]", "terseLabel": "Commercial Financing Facility" } } }, "localname": "CommercialFinancingFacilityMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "stwd_CommercialMortgageBackedSecuritiesFairValueOptionMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to commercial mortgage backed securities which are elected as fair value option.", "label": "Commercial Mortgage Backed Securities Fair Value Option [Member]", "terseLabel": "CMBS, fair value option" } } }, "localname": "CommercialMortgageBackedSecuritiesFairValueOptionMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails" ], "xbrltype": "domainItemType" }, "stwd_ConduitLoansMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to conduit loans.", "label": "Conduit Loans [Member]", "terseLabel": "Conduit Loans" } } }, "localname": "ConduitLoansMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "stwd_ConvertibleDebtConversionAttributesTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of details of the conversion attributes of convertible notes outstanding.", "label": "Convertible Debt Conversion Attributes [Table Text Block]", "terseLabel": "Schedule of conversion attributes on Convertible Notes outstanding" } } }, "localname": "ConvertibleDebtConversionAttributesTableTextBlock", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesTables" ], "xbrltype": "textBlockItemType" }, "stwd_ConvertibleSeniorNotesDue2023Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the 4.38 percent Convertible Senior Notes due 2023.", "label": "Convertible Senior Notes Due2023 [Member]", "terseLabel": "2023 Notes" } } }, "localname": "ConvertibleSeniorNotesDue2023Member", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "stwd_ConvertibleSeniorNotesDue2025Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the 4.75 percent convertible senior Notes due to 2025", "label": "Convertible Senior Notes Due2025 [Member]", "terseLabel": "2025 Senior Notes" } } }, "localname": "ConvertibleSeniorNotesDue2025Member", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "stwd_CostMethodInvestmentsOwnershipPercentage": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The percentage of ownership of common stock or equity participation which an investee has accounted for, under the cost method of accounting.", "label": "Cost Method Investments Ownership Percentage", "terseLabel": "Cost method, Ownership %" } } }, "localname": "CostMethodInvestmentsOwnershipPercentage", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails" ], "xbrltype": "percentItemType" }, "stwd_DebtInstrumentCarryingAmountIncludingCollateralizedLoanObligations": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt, including collateralized loan obligations. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.", "label": "Debt Instrument Carrying Amount Including Collateralized Loan Obligations", "totalLabel": "Total" } } }, "localname": "DebtInstrumentCarryingAmountIncludingCollateralizedLoanObligations", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "stwd_DebtInstrumentConvertibleIfConvertedValue": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The amount of convertible debt's if-converted value.", "label": "Debt Instrument, Convertible, If Converted Value", "terseLabel": "If-converted value" } } }, "localname": "DebtInstrumentConvertibleIfConvertedValue", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "monetaryItemType" }, "stwd_DebtInstrumentConvertibleIfConvertedValueLessThanPrincipal": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount by which the convertible debt's if-converted value is less than its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only.", "label": "Debt Instrument Convertible If Converted Value Less Than Principal", "terseLabel": "Amount by which if-converted value of the Notes are less than principal amount" } } }, "localname": "DebtInstrumentConvertibleIfConvertedValueLessThanPrincipal", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "monetaryItemType" }, "stwd_DebtInstrumentConvertiblePrincipalAmountForConversionRatio": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The principal amount of the convertible debt instrument used as the basis for the conversion ratio.", "label": "Debt Instrument, Convertible Principal Amount for Conversion Ratio", "terseLabel": "Principal amount of notes, basis for conversion" } } }, "localname": "DebtInstrumentConvertiblePrincipalAmountForConversionRatio", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "monetaryItemType" }, "stwd_DebtInstrumentExtensionTerm": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the period by which the term of the debt instrument extended.", "label": "Debt Instrument Extension Term", "terseLabel": "Extension term" } } }, "localname": "DebtInstrumentExtensionTerm", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "durationItemType" }, "stwd_DebtInstrumentFaceAmountPurchasedByThirdPartyInvestors": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Face (par) amount of debt instrument at time of issuance purchased by third part investors.", "label": "Debt Instrument Face Amount Purchased By Third Party Investors", "terseLabel": "Principal amount of notes purchased by third-party investors" } } }, "localname": "DebtInstrumentFaceAmountPurchasedByThirdPartyInvestors", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "monetaryItemType" }, "stwd_DebtInstrumentNumberOfExtensionOptions": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the number of extension options available to the entity to extend the term of the debt instrument.", "label": "Debt Instrument, Number of Extension Options", "terseLabel": "Number of extension options" } } }, "localname": "DebtInstrumentNumberOfExtensionOptions", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "integerItemType" }, "stwd_DebtInstrumentRollingTerm": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Rolling period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Debt Instrument Rolling Term", "terseLabel": "Rolling maturity period" } } }, "localname": "DebtInstrumentRollingTerm", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "durationItemType" }, "stwd_DebtInstrumentTermOfExtensionOptions": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the period by which the term of the debt instrument may be extended under each extension option.", "label": "Debt Instrument, Term of Extension Options", "terseLabel": "Extended term / option" } } }, "localname": "DebtInstrumentTermOfExtensionOptions", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "durationItemType" }, "stwd_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLossAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "No definition available.", "label": "Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]", "terseLabel": "Unrealized Losses" } } }, "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLossAbstract", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails" ], "xbrltype": "stringItemType" }, "stwd_DebtSecuritiesHeldToMaturityNet": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Debt Securities, Held-to-maturity, Net", "label": "Debt Securities, Held-to-maturity, Net", "terseLabel": "Net Carrying Amount", "totalLabel": "Total" } } }, "localname": "DebtSecuritiesHeldToMaturityNet", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails" ], "xbrltype": "monetaryItemType" }, "stwd_DelayedDrawTermLoansMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to delayed draw term loans.", "label": "Delayed Draw Term Loans [Member]", "terseLabel": "Delayed draw term loans" } } }, "localname": "DelayedDrawTermLoansMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureCommitmentsAndContingenciesDetails" ], "xbrltype": "domainItemType" }, "stwd_DepreciationAndAmortizationExcludingAmortizationOfAboveBelowMarketLeases": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 17.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. This excludes the amortization of above and below market leases.", "label": "Depreciation and Amortization Excluding Amortization of above below Market Leases", "terseLabel": "Depreciation and amortization" } } }, "localname": "DepreciationAndAmortizationExcludingAmortizationOfAboveBelowMarketLeases", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "stwd_DerivativeFairValueOfDerivativeAssetGrossAmountsNotOffsetAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Derivative Fair Value of Derivative Asset Gross Amounts Not Offset [Abstract]", "terseLabel": "Gross Amounts Not Offset in the Statement of Financial Position" } } }, "localname": "DerivativeFairValueOfDerivativeAssetGrossAmountsNotOffsetAbstract", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "stwd_DerivativeFairValueOfDerivativeLiabilityGrossAmountsNotOffsetAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Derivative Fair Value of Derivative Liability Gross Amounts Not Offset [Abstract]", "terseLabel": "Gross Amounts Not Offset in the Statement of Financial Position" } } }, "localname": "DerivativeFairValueOfDerivativeLiabilityGrossAmountsNotOffsetAbstract", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "stwd_DerivativeGuaranteesNumberOfInstrumentsHeld": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of guarantees of derivative instruments of a particular group held by the entity.", "label": "Derivative Guarantees Number Of Instruments Held", "terseLabel": "Number of guarantees" } } }, "localname": "DerivativeGuaranteesNumberOfInstrumentsHeld", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureCommitmentsAndContingenciesDetails" ], "xbrltype": "integerItemType" }, "stwd_DiscountedCashFlowValuationTechniqueMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the discounted cash flow technique used to measure fair value.", "label": "Discounted Cash Flow Valuation Technique [Member]", "terseLabel": "Discounted cash flow" } } }, "localname": "DiscountedCashFlowValuationTechniqueMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "domainItemType" }, "stwd_Dividendspayablecurrentandnoncurrentdividendsdeclaredduringperiod": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of dividends declared during the period but unpaid on equity securities issued by the entity and outstanding.", "label": "DividendsPayableCurrentAndNoncurrentDividendsDeclaredDuringPeriod", "terseLabel": "Dividends declared, but not yet paid" } } }, "localname": "Dividendspayablecurrentandnoncurrentdividendsdeclaredduringperiod", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "stwd_DocumentAndEntityInformationAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Document and Entity Information" } } }, "localname": "DocumentAndEntityInformationAbstract", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "xbrltype": "stringItemType" }, "stwd_DomesticServicingRightsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to domestic servicing rights.", "label": "Domestic Servicing Rights [Member]", "terseLabel": "Domestic Servicing Rights" } } }, "localname": "DomesticServicingRightsMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails", "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails" ], "xbrltype": "domainItemType" }, "stwd_EffectiveIncomeTaxRateNetOperatingLossCarrybackRateDifferential": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails": { "order": 2.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Effective Income Tax Rate,Net Operating Loss Carryback Rate differential.", "label": "Effective Income Tax Rate,Net Operating Loss Carryback Rate differential", "terseLabel": "Net operating loss carryback rate differential (as a pecent)" } } }, "localname": "EffectiveIncomeTaxRateNetOperatingLossCarrybackRateDifferential", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails" ], "xbrltype": "percentItemType" }, "stwd_EffectiveIncomeTaxRateReconciliationIntraEntityTransfer": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails": { "order": 3.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to intra-entity transfers.", "label": "Effective Income Tax Rate Reconciliation Intra Entity Transfer", "terseLabel": "Intra-entity transfer" } } }, "localname": "EffectiveIncomeTaxRateReconciliationIntraEntityTransfer", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails" ], "xbrltype": "percentItemType" }, "stwd_EquityInterestInCommercialRealEstateMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to equity interests in commercial properties.", "label": "Equity Interest In Commercial Real Estate [Member]", "terseLabel": "Equity interests in commercial real estate" } } }, "localname": "EquityInterestInCommercialRealEstateMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails" ], "xbrltype": "domainItemType" }, "stwd_EquityInterestInNaturalGasPowerPlantMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "This member stands equity interest in a natural gas power plant.", "label": "Equity Interest In Natural Gas Power Plant [Member]", "terseLabel": "Equity interest in a natural gas power plant" } } }, "localname": "EquityInterestInNaturalGasPowerPlantMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails" ], "xbrltype": "domainItemType" }, "stwd_EquityInterestInResidentialMortgageOriginatorMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to equity interest in a residential mortgage originator", "label": "Equity Interest In Residential Mortgage Originator [Member]", "terseLabel": "Equity interest in a residential mortgage originator" } } }, "localname": "EquityInterestInResidentialMortgageOriginatorMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails" ], "xbrltype": "domainItemType" }, "stwd_EquityInterestInServicingAndAdvisoryBusinessMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to equity interests in a servicing and advisory business.", "label": "Equity Interest In Servicing And Advisory Business [Member]", "terseLabel": "Equity interest in a servicing and advisory business" } } }, "localname": "EquityInterestInServicingAndAdvisoryBusinessMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails" ], "xbrltype": "domainItemType" }, "stwd_EquityInterestsInCertainSubsidiariesUsedAsSecurityOnFacilities": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of equity interests in certain of the entity's subsidiaries used to secure debt facilities.", "label": "Equity Interests In Certain Subsidiaries Used As Security On Facilities", "terseLabel": "Equity interests in certain subsidiaries used to secure facilities" } } }, "localname": "EquityInterestsInCertainSubsidiariesUsedAsSecurityOnFacilities", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "monetaryItemType" }, "stwd_EquityMethodInvestmentOwnershipPercentageSold": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Equity Method Investment, Ownership Percentage Sold", "label": "Equity Method Investment, Ownership Percentage Sold", "terseLabel": "Equity method investment, ownership percentage sold" } } }, "localname": "EquityMethodInvestmentOwnershipPercentageSold", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails" ], "xbrltype": "percentItemType" }, "stwd_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the fair value measurement of assets and liabilities using significant unobservable inputs (level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues and settlements (each type disclosed separately); and (3) transfers in and transfers out of level 3 (for example, transfers due to changes in the observability of significant inputs) by class of asset and liability.", "label": "Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Table Text Block]", "terseLabel": "Schedule of changes in financial assets and liabilities classified as Level III" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueTables" ], "xbrltype": "textBlockItemType" }, "stwd_FairValueAssetsMeasuredOnRecurringBasisRealizedAndUnrealizedGainsAndLossesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "No definition available.", "label": "Fair Value Assets Measured on Recurring Basis Realized and Unrealized Gains and Losses [Abstract]", "terseLabel": "Total realized and unrealized gains (losses):" } } }, "localname": "FairValueAssetsMeasuredOnRecurringBasisRealizedAndUnrealizedGainsAndLossesAbstract", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails" ], "xbrltype": "stringItemType" }, "stwd_FairValueInputsAssetsLiabilitiesQuantitativeInformationTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of quantitative information about the inputs used in the fair value measurement of assets and liabilities. This disclosure may include, but is not limited to, the fair value of the assets and liabilities, valuation technique used to measure fair value, the inputs used to measure fair value, the ranges of the inputs, and the weighted averages of the inputs.", "label": "Fair Value Inputs Assets (Liabilities) Quantitative Information [Table Text Block]", "terseLabel": "Schedule of quantitative information for Level 3 Measurements for assets and liabilities measured at fair value on recurring basis" } } }, "localname": "FairValueInputsAssetsLiabilitiesQuantitativeInformationTableTextBlock", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueTables" ], "xbrltype": "textBlockItemType" }, "stwd_FairValueInputsLossSeveritySpecifiedPercentageOfPortfolio": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Loss, including interest and principal, incurred on a defaulted security, expressed as a percentage of the original principal balance, used as an input to measure fair value for a specified percentage of the portfolio.", "label": "Fair Value Inputs, Loss Severity, Specified Percentage of Portfolio", "terseLabel": "Loss severity for specified percentage of portfolio (as a percent)" } } }, "localname": "FairValueInputsLossSeveritySpecifiedPercentageOfPortfolio", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "percentItemType" }, "stwd_FairValueMeasurementAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Fair Value Measurement [Abstract]", "terseLabel": "Fair Value Measurements" } } }, "localname": "FairValueMeasurementAbstract", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "stringItemType" }, "stwd_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetConsolidationsOfVariableInterestEntity": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the change due to the consolidations of Variable Interest Entity (VIE) that have taken place during the period in relation to the assets measured at fair value and categorized within Level 3 of the fair value hierarchy.", "label": "Fair Value Measurement with Unobservable Inputs Reconciliation Recurring Basis Asset Consolidations of Variable Interest Entity", "terseLabel": "Consolidations of VIEs" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetConsolidationsOfVariableInterestEntity", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails" ], "xbrltype": "monetaryItemType" }, "stwd_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetDeconsolidationsOfVariableInterestEntity": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the change due to the deconsolidations of Variable Interest Entity (VIE) that have taken place during the period in relation to the assets measured at fair value and categorized within Level 3 of the fair value hierarchy.", "label": "Fair Value Measurement with Unobservable Inputs Reconciliation Recurring Basis Asset Deconsolidations of Variable Interest Entity", "negatedLabel": "Deconsolidations of VIEs" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetDeconsolidationsOfVariableInterestEntity", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails" ], "xbrltype": "monetaryItemType" }, "stwd_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInChangeInFairValue": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "This item represents the amount of the total realized and unrealized gains or losses for the period which are included in the statement of income (or changes in net assets) in change in fair value; the fair value of which assets was or is measured on a recurring basis using significant unobservable inputs (Level 3).", "label": "Fair Value Measurement with Unobservable Inputs Reconciliation Recurring Basis Asset Gain (Loss) Included in Change in Fair Value", "terseLabel": "Included in earnings: Change in fair value / gain on sale" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInChangeInFairValue", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails" ], "xbrltype": "monetaryItemType" }, "stwd_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsAttributableToAssetsStillHeldAtEndOfPeriod": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) recognized on the income statement for a financial instrument classified as an asset measured using unobservable inputs, still held at the end of the period.", "label": "Fair Value Measurement with Unobservable Inputs Reconciliation Recurring Basis Asset Gain (Loss) Included in Earnings Attributable to Assets Still Held at End of Period", "terseLabel": "Amount of total (losses) gains included in earnings attributable to assets still held at period end" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsAttributableToAssetsStillHeldAtEndOfPeriod", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails" ], "xbrltype": "monetaryItemType" }, "stwd_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLossAttributableToAssetsStillHeldAtEndOfPeriod": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input, still held at the end of period .", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) Attributable To Assets Still Held At End Of Period", "terseLabel": "Amount of total (losses) gains included in OCI attributable to assets still held at period end" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLossAttributableToAssetsStillHeldAtEndOfPeriod", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails" ], "xbrltype": "monetaryItemType" }, "stwd_FairValueOfServiceRightsGainLoss": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the fair value of servicing rights gain or loss for the period.", "label": "Fair Value of Service Rights Gain Loss", "terseLabel": "Change in fair value of servicing rights" } } }, "localname": "FairValueOfServiceRightsGainLoss", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "stwd_FairValueOptionPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of an entity's accounting policy for the election to apply the fair value option for measurement and reporting of eligible financial assets and liabilities (as defined), as well as certain other eligible items (as defined) included in the statement of financial position, whether such option is elected for a single eligible item or a group of similar eligible items and is in addition to other disclosures concerning fair value which the company may be required to provide.", "label": "Fair Value Option [Policy Text Block]", "terseLabel": "Fair Value Option" } } }, "localname": "FairValueOptionPolicyTextBlock", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "stwd_FairValueOptionSecuritiesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Investments in securities for which the entity has elected the fair value option.", "label": "Fair Value Option Securities [Member]", "terseLabel": "Fair value option" } } }, "localname": "FairValueOptionSecuritiesMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "domainItemType" }, "stwd_FirstMortgageLoanAndMezzanineLoanMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the information pertaining to First mortgage and Mezzanine Loan.", "label": "First Mortgage Loan And Mezzanine Loan [Member]", "terseLabel": "First Mortgage Loan and Mezzanine Loan" } } }, "localname": "FirstMortgageLoanAndMezzanineLoanMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "domainItemType" }, "stwd_FirstMortgageLoansMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "It represents the information pertaining to the first mortgage loans.", "label": "First Mortgage Loans [Member]", "terseLabel": "First Mortgage Loans" } } }, "localname": "FirstMortgageLoansMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesDetails" ], "xbrltype": "domainItemType" }, "stwd_FirstPriorityInfrastructureReceivablesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to first priority infrastructure receivables.", "label": "First Priority Infrastructure Receivables [Member]", "terseLabel": "Infrastructure loans" } } }, "localname": "FirstPriorityInfrastructureReceivablesMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansVariableRateLoansHeldForInvestmentDetails" ], "xbrltype": "domainItemType" }, "stwd_ForeignCurrencyTransactionGainLossBeforeTaxCashFlowImpact": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 13.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The noncash impact of the amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized during the period.", "label": "Foreign Currency Transaction Gain (Loss) before Tax Cash Flow Impact", "negatedLabel": "Foreign currency loss, net" } } }, "localname": "ForeignCurrencyTransactionGainLossBeforeTaxCashFlowImpact", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "stwd_FundedLoanCommitmentsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "This member stands for funded loan commitments.", "label": "Funded Loan Commitments [Member]", "terseLabel": "Funded committments" } } }, "localname": "FundedLoanCommitmentsMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails" ], "xbrltype": "domainItemType" }, "stwd_GBPLondonInterbankOfferedRateMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest rate in GBP at which a bank borrows funds from other banks in the London interbank market.", "label": "G B P London Interbank Offered Rate [Member]", "terseLabel": "GBP LIBOR" } } }, "localname": "GBPLondonInterbankOfferedRateMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "stwd_GainLossOnMortgageLoansHeldForSale": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 11.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 }, "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 4.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the net change in the difference between the fair value and the carrying value, or in the comparative fair values, of loans made to finance real estate acquisitions during the reporting period.", "label": "Gain (Loss) on Mortgage Loans Held For Sale", "negatedLabel": "Change in fair value of loans", "terseLabel": "Change in fair value of mortgage loans, net", "verboseLabel": "Changes in fair value" } } }, "localname": "GainLossOnMortgageLoansHeldForSale", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "stwd_GainLossOnSaleOfInvestmentsNet": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 6.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the net gain from sale of loans, securities, real estate, and non-performing loans, excluding financial instruments where the fair value option has been elected.", "label": "Gain (Loss) on Sale of Investments Net", "terseLabel": "Gain on sale of investments and other assets, net", "verboseLabel": "(Loss) gain on sale of investments and other assets, net" } } }, "localname": "GainLossOnSaleOfInvestmentsNet", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "stwd_GainOnSaleOfInvestmentsCashFlow": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 14.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the net gains of sales of various types of investments including securities and other assets.", "label": "Gain on Sale of Investments Cash Flow", "negatedTerseLabel": "Gain on sale of investments and other assets" } } }, "localname": "GainOnSaleOfInvestmentsCashFlow", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "stwd_GoodwillAndIntangibleAssetsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Goodwill and Intangible Assets [Line Items]", "terseLabel": "Intangible Assets" } } }, "localname": "GoodwillAndIntangibleAssetsLineItems", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails", "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails" ], "xbrltype": "stringItemType" }, "stwd_GrossUpOfPcdBondAmortizedCostBasis": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Gross-up of PCD bond amortized cost basis", "label": "Gross-up of PCD Bond Amortized Cost Basis", "terseLabel": "Gross-up of PCD bond amortized cost basis" } } }, "localname": "GrossUpOfPcdBondAmortizedCostBasis", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails" ], "xbrltype": "monetaryItemType" }, "stwd_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveYearsNetCarryingAmount": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails": { "order": 4.0, "parentTag": "stwd_DebtSecuritiesHeldToMaturityNet", "weight": 1.0 }, "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetailsCalc2": { "order": 4.0, "parentTag": "us-gaap_HeldToMaturitySecurities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Carrying amount of debt securities accounted for as held-to-maturity, net of adjustments including, but not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized, and fair value hedge accounting adjustments, maturing after the fifth fiscal year following the latest fiscal year.", "label": "Held-to-maturity Securities, Debt Maturities, after Five Years, Net Carrying Amount", "terseLabel": "Thereafter" } } }, "localname": "HeldToMaturitySecuritiesDebtMaturitiesAfterFiveYearsNetCarryingAmount", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails" ], "xbrltype": "monetaryItemType" }, "stwd_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughThreeYearsNetCarryingAmount": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails": { "order": 2.0, "parentTag": "stwd_DebtSecuritiesHeldToMaturityNet", "weight": 1.0 }, "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetailsCalc2": { "order": 2.0, "parentTag": "us-gaap_HeldToMaturitySecurities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Carrying amount of debt securities accounted for as held-to-maturity, net of adjustments including, but not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized, and fair value hedge accounting adjustments, maturing in the next fiscal year through the third fiscal year following the latest fiscal year.", "label": "Held-to-maturity Securities, Debt Maturities, after One Through Three Years, Net Carrying Amount", "terseLabel": "One to three years" } } }, "localname": "HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughThreeYearsNetCarryingAmount", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails" ], "xbrltype": "monetaryItemType" }, "stwd_HeldToMaturitySecuritiesDebtMaturitiesAfterThreeThroughFiveYearsNetCarryingAmount": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails": { "order": 3.0, "parentTag": "stwd_DebtSecuritiesHeldToMaturityNet", "weight": 1.0 }, "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetailsCalc2": { "order": 3.0, "parentTag": "us-gaap_HeldToMaturitySecurities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Carrying amount of debt securities accounted for as held-to-maturity, net of adjustments including, but not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized, and fair value hedge accounting adjustments, maturing in the third through fifth fiscal year following the latest fiscal year.", "label": "Held-to-maturity Securities, Debt Maturities, after Three Through Five Years, Net Carrying Amount", "terseLabel": "Three to five years" } } }, "localname": "HeldToMaturitySecuritiesDebtMaturitiesAfterThreeThroughFiveYearsNetCarryingAmount", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails" ], "xbrltype": "monetaryItemType" }, "stwd_HighmarkResidentialMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Highmark Residential.", "label": "Highmark Residential [Member]", "terseLabel": "Highmark Residential" } } }, "localname": "HighmarkResidentialMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "domainItemType" }, "stwd_IncentiveFeeCompensation": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 7.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the expense related to incentive fee compensation incurred by the entity during the reporting period (portion of incentive fee paid in stock).", "label": "Incentive Fee Compensation", "terseLabel": "Manager fees paid in stock" } } }, "localname": "IncentiveFeeCompensation", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "stwd_IncomeLossFromContinuingOperationsBasic": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of income (loss) from continuing operations attributable to the parent, used in calculating basic EPS.", "label": "Income (Loss) from Continuing Operations Basic", "totalLabel": "Basic earnings" } } }, "localname": "IncomeLossFromContinuingOperationsBasic", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails" ], "xbrltype": "monetaryItemType" }, "stwd_IncomeLossFromContinuingOperationsBasicAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Income (Loss) from Continuing Operations Basic [Abstract]", "terseLabel": "Continuing Operations:" } } }, "localname": "IncomeLossFromContinuingOperationsBasicAbstract", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails" ], "xbrltype": "stringItemType" }, "stwd_IncomeLossFromContinuingOperationsDiluted": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetailsCalc2": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of income (loss) from continuing operations attributable to the parent, used in calculating diluted EPS.", "label": "Income (Loss) from Continuing Operations Diluted", "totalLabel": "Diluted earnings" } } }, "localname": "IncomeLossFromContinuingOperationsDiluted", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails" ], "xbrltype": "monetaryItemType" }, "stwd_IncomeLossFromContinuingOperationsDilutedAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Income (Loss) from Continuing Operations Diluted [Abstract]", "terseLabel": "Continuing Operations:" } } }, "localname": "IncomeLossFromContinuingOperationsDilutedAbstract", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails" ], "xbrltype": "stringItemType" }, "stwd_IncomeTaxLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Income Tax [Line Items]", "terseLabel": "Income Taxes" } } }, "localname": "IncomeTaxLineItems", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesDetails" ], "xbrltype": "stringItemType" }, "stwd_IncomeTaxReconciliationFederalBenefitOfStateTaxDeduction": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails": { "order": 4.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to the federal benefit of state tax deductions.", "label": "Income Tax Reconciliation Federal benefit Of State Tax Deduction", "terseLabel": "Federal benefit of state tax deduction" } } }, "localname": "IncomeTaxReconciliationFederalBenefitOfStateTaxDeduction", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails" ], "xbrltype": "monetaryItemType" }, "stwd_IncomeTaxReconciliationIntraEntityTransfer": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails": { "order": 6.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to intra-entity transfers.", "label": "Income Tax Reconciliation Intra Entity Transfer", "negatedLabel": "Intra-entity transfer" } } }, "localname": "IncomeTaxReconciliationIntraEntityTransfer", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails" ], "xbrltype": "monetaryItemType" }, "stwd_IncomeTaxReconciliationNetOperatingLossCarrybackRateDifferential": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails": { "order": 5.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Income Tax Reconciliation, Net Operating Loss Carryback Rate Differential.", "label": "Income Tax Reconciliation, Net Operating Loss Carryback Rate Differential", "terseLabel": "Net operating loss carryback rate differential" } } }, "localname": "IncomeTaxReconciliationNetOperatingLossCarrybackRateDifferential", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails" ], "xbrltype": "monetaryItemType" }, "stwd_IncomeTaxTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule reflecting information pertaining to income taxes.", "label": "Income Tax [Table]" } } }, "localname": "IncomeTaxTable", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesDetails" ], "xbrltype": "stringItemType" }, "stwd_IncreaseInSpreadInInFuturePeriodOfFacility": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Amount of increase in basis point spread in a future period of the facility.", "label": "Increase In Spread In In Future Period Of Facility", "terseLabel": "Increase in spread in a subsequent period" } } }, "localname": "IncreaseInSpreadInInFuturePeriodOfFacility", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "percentItemType" }, "stwd_IndefiniteLivedIntangibleAssetsAdjustmentsForChangeInInputsAndAssumptions": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) to assets, excluding financial assets and goodwill, lacking physical substance due to change in inputs and assumptions used to determine fair value.", "label": "Indefinite Lived Intangible Assets Adjustments for Change in Inputs and Assumptions", "terseLabel": "Changes in fair value due to changes in inputs and assumptions" } } }, "localname": "IndefiniteLivedIntangibleAssetsAdjustmentsForChangeInInputsAndAssumptions", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails" ], "xbrltype": "monetaryItemType" }, "stwd_InfrastructureAcquisitionFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the information pertaining to infrastructure acquisition facility.", "label": "Infrastructure Acquisition Facility [Member]", "terseLabel": "Infrastructure Acquisition Facility" } } }, "localname": "InfrastructureAcquisitionFacilityMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "stwd_InfrastructureBondsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to infrastructure bonds.", "label": "Infrastructure Bonds [Member]", "terseLabel": "Infrastructure bonds" } } }, "localname": "InfrastructureBondsMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails" ], "xbrltype": "domainItemType" }, "stwd_InfrastructureFinancingFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the information pertaining to infrastructure financing facility.", "label": "Infrastructure Financing Facility [Member]", "terseLabel": "Infrastructure Financing Facilities" } } }, "localname": "InfrastructureFinancingFacilityMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "stwd_InfrastructureLendingSegmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to infrastructure lending segment.", "label": "Infrastructure Lending Segment [Member]", "terseLabel": "Infrastructure Lending Segment" } } }, "localname": "InfrastructureLendingSegmentMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureCommitmentsAndContingenciesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails" ], "xbrltype": "domainItemType" }, "stwd_InfrastructureLoansMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to infrastructure loans.", "label": "Infrastructure Loans [Member]", "terseLabel": "Infrastructure Loans" } } }, "localname": "InfrastructureLoansMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "stwd_InfrastructurePortfolioSegmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Portfolio segment of the company's total financing receivables related to infrastructure financing receivables.", "label": "Infrastructure Portfolio Segment [Member]", "terseLabel": "Infrastructure Portfolio Segment" } } }, "localname": "InfrastructurePortfolioSegmentMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "domainItemType" }, "stwd_IntangibleAssetsSold": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of intangible assets sold during the period.", "label": "Intangible Assets Sold", "negatedLabel": "Sales" } } }, "localname": "IntangibleAssetsSold", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails" ], "xbrltype": "monetaryItemType" }, "stwd_InterestRateSwapAndInterestRateCapMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Forward based contracts in which two parties agree to swap periodic payments that are fixed at the outset of the swap contract with variable payments based on a market interest rate (index rate) over a specified period; and \ncontract in which the cap writer, in return for a premium, agrees to limit, or cap, the cap holder's risk associated with an increase in interest rates. If rates go above a specified interest-rate-level (the strike price or the cap rate), the cap holder is entitled to receive cash payments equal to the excess of the market rate over the strike price multiplied by the notional principal amount.", "label": "Interest Rate Swap And Interest Rate Cap [Member]", "terseLabel": "Interest rate swap guarantees" } } }, "localname": "InterestRateSwapAndInterestRateCapMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityEffectOnFinancialStatementsDetails" ], "xbrltype": "domainItemType" }, "stwd_InterestRateSwapGuaranteesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Guarantees forward based contracts in which two parties agree to swap periodic payments that are fixed at the outset of the swap contract with variable payments based on a market interest rate (index rate) over a specified period.", "label": "Interest Rate Swap Guarantees [Member]", "terseLabel": "Interest Rate Swap Guarantees" } } }, "localname": "InterestRateSwapGuaranteesMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityFairValueDetails" ], "xbrltype": "domainItemType" }, "stwd_InterestRateSwapPayingFixedRatesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Forward based contracts in which two parties agree to swap periodic payments that are fixed at the outset of the swap contract with variable payments based on a market interest rate (index rate) over a specified period. The entity is paying fixes rates.", "label": "Interest Rate Swap Paying Fixed Rates [Member]", "terseLabel": "Interest rate swaps - Paying fixed rates" } } }, "localname": "InterestRateSwapPayingFixedRatesMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails" ], "xbrltype": "domainItemType" }, "stwd_InterestRateSwapReceivingFixedRatesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Forward based contracts in which two parties agree to swap periodic payments that are fixed at the outset of the swap contract with variable payments based on a market interest rate (index rate) over a specified period. The entity is receiving fixes rates.", "label": "Interest Rate Swap Receiving Fixed Rates [Member]", "terseLabel": "Interest rate swaps - Receiving fixed rates" } } }, "localname": "InterestRateSwapReceivingFixedRatesMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails" ], "xbrltype": "domainItemType" }, "stwd_InvestingAndServicingSegmentPropertyPortfolioMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the Investing and Servicing Segment Property Portfolio (the \"REIS Equity Portfolio\").", "label": "Investing And Servicing Segment Property Portfolio [Member]", "terseLabel": "REIS Equity Portfolio" } } }, "localname": "InvestingAndServicingSegmentPropertyPortfolioMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "domainItemType" }, "stwd_InvestmentInEquitySecuritiesNumberOfSharesAcquired": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the number of shares acquired in the equity security investment.", "label": "Investment in Equity Securities Number of Shares Acquired", "terseLabel": "Number of shares acquired" } } }, "localname": "InvestmentInEquitySecuritiesNumberOfSharesAcquired", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesSerefDetails" ], "xbrltype": "sharesItemType" }, "stwd_InvestmentInEquitySecuritiesPercentageOwnership": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the percentage ownership in the equity security investment.", "label": "Investment In Equity Securities Percentage Ownership", "terseLabel": "Ownership percentage" } } }, "localname": "InvestmentInEquitySecuritiesPercentageOwnership", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesSerefDetails" ], "xbrltype": "percentItemType" }, "stwd_InvestmentSecuritiesFairValueBeforeConsolidationOfVariableInterestEntities": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the fair value balance of the investment securities before consolidation of the VIEs.", "label": "Investment Securities Fair Value Before Consolidation Of Variable Interest Entities", "terseLabel": "Fair value of investment securities before consolidation of VIEs" } } }, "localname": "InvestmentSecuritiesFairValueBeforeConsolidationOfVariableInterestEntities", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails" ], "xbrltype": "monetaryItemType" }, "stwd_InvestmentSecuritiesFairValueBeforeConsolidationOfVariableInterestEntitiesEliminatedAgainstVariableInterestEntitiesLiabilities": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the fair value balance of the investment securities before consolidation of the VIEs that is eliminated against VIE liabilities.", "label": "Investment Securities Fair Value Before Consolidation Of Variable Interest Entities Eliminated Against Variable Interest Entities Liabilities", "terseLabel": "Fair value of investment securities before consolidation of VIEs eliminated against VIE liabilities" } } }, "localname": "InvestmentSecuritiesFairValueBeforeConsolidationOfVariableInterestEntitiesEliminatedAgainstVariableInterestEntitiesLiabilities", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails" ], "xbrltype": "monetaryItemType" }, "stwd_InvestmentSecuritiesUnpaidPrincipalBalanceBeforeConsolidationOfVariableInterestEntities": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the unpaid principal balance of the investment securities before consolidation of the VIEs.", "label": "Investment Securities Unpaid Principal Balance before Consolidation of Variable Interest Entities", "terseLabel": "Unpaid principal balance of investment securities before consolidation of VIEs" } } }, "localname": "InvestmentSecuritiesUnpaidPrincipalBalanceBeforeConsolidationOfVariableInterestEntities", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails" ], "xbrltype": "monetaryItemType" }, "stwd_InvestmentSecuritiesVariableRateAmount": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the amount of investment securities bearing variable interest rates.", "label": "Investment Securities, Variable Rate Amount", "terseLabel": "Portion of securities with variable rate" } } }, "localname": "InvestmentSecuritiesVariableRateAmount", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "stwd_InvestmentSecuritiesVariableRatePercentage": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the percentage of investment securities bearing variable interest rates.", "label": "Investment Securities, Variable Rate Percentage", "terseLabel": "Portion of securities with variable rate (as a percent)" } } }, "localname": "InvestmentSecuritiesVariableRatePercentage", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "percentItemType" }, "stwd_InvestmentSecuritiesWeightedAverageInterestRateStatedPercentage": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the weighted average coupon interest rate on investment securities.", "label": "Investment Securities, Weighted Average Interest Rate Stated Percentage", "terseLabel": "Weighted Average Coupon (as a percent)" } } }, "localname": "InvestmentSecuritiesWeightedAverageInterestRateStatedPercentage", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "percentItemType" }, "stwd_InvestmentSecuritiesWeightedAverageLife": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the weighted average life of investment securities.", "label": "Investment Securities, Weighted Average Life", "terseLabel": "WAL (Years)" } } }, "localname": "InvestmentSecuritiesWeightedAverageLife", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "durationItemType" }, "stwd_InvestmentTerm": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Period between issuance and maturity of investment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Investment, Term", "terseLabel": "Term" } } }, "localname": "InvestmentTerm", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "durationItemType" }, "stwd_InvestmentsRenewalTerm": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Period of extension for investment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Investments, Renewal Term", "terseLabel": "Renewal term" } } }, "localname": "InvestmentsRenewalTerm", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "durationItemType" }, "stwd_JointVenturePartnerMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to joint venture partner.", "label": "Joint Venture Partner [Member]", "terseLabel": "Joint Venture Partner" } } }, "localname": "JointVenturePartnerMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "domainItemType" }, "stwd_LNRBusinessSegmentsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information pertaining to the reportable segment of the entity representing LNR, excluding the consolidation of securitization variable interest entities.", "label": "L N R Business Segments [Member]", "terseLabel": "Investing and Servicing Segment" } } }, "localname": "LNRBusinessSegmentsMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAcquisitionsAndDivestituresDetails", "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesTables", "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails" ], "xbrltype": "domainItemType" }, "stwd_LeaseIntangiblesAndOtherAssetsImpairmentCharges": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 15.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The charge against earnings resulting from the write down of lease intangibles and other assets.", "label": "Lease Intangibles and Other Assets Impairment Charges", "verboseLabel": "Impairment charges on properties and related intangibles" } } }, "localname": "LeaseIntangiblesAndOtherAssetsImpairmentCharges", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "stwd_LineOfCreditFacilityCapacityAvailableForSpecificPurposeOtherThanForTradePurchasesSubjectToCertainConditions": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The maximum amount of borrowing capacity under a line of credit that is available as of the balance sheet date for a specific purpose other than for financing goods acquired for inventory or imminent delivery to a customer, subject to certain conditions defined in the facility agreement.", "label": "Line Of Credit Facility Capacity Available For Specific Purpose Other Than For Trade Purchases Subject To Certain Conditions", "terseLabel": "Maximum facility size subject to certain conditions" } } }, "localname": "LineOfCreditFacilityCapacityAvailableForSpecificPurposeOtherThanForTradePurchasesSubjectToCertainConditions", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "monetaryItemType" }, "stwd_LoanPrincipalCollectionsTemporarilyHeldAtMasterServicer": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of loan principal collections temporarily held at master servicer.", "label": "Loan Principal Collections Temporarily Held At Master Servicer", "terseLabel": "Loan principal collections temporarily held at master servicer" } } }, "localname": "LoanPrincipalCollectionsTemporarilyHeldAtMasterServicer", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "stwd_LoanServicingVentureMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to loan servicing venture.", "label": "Loan Servicing Venture [Member]", "terseLabel": "Investment funds which own equity in a loan servicer and other real estate assets" } } }, "localname": "LoanServicingVentureMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails" ], "xbrltype": "domainItemType" }, "stwd_LoanTransferActivitiesLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Loan Transfer Activities [Line Items]", "terseLabel": "Loan Transfer Activities" } } }, "localname": "LoanTransferActivitiesLineItems", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesDetails" ], "xbrltype": "stringItemType" }, "stwd_LoanTransferActivitiesTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information pertaining to loan transfer activities.", "label": "Loan Transfer Activities [Table]" } } }, "localname": "LoanTransferActivitiesTable", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesDetails" ], "xbrltype": "stringItemType" }, "stwd_LoanTransfersAccountedForAsSalesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Loan Transfers Accounted for as Sales [Abstract]", "terseLabel": "Loan Transfers Accounted for as Sales" } } }, "localname": "LoanTransfersAccountedForAsSalesAbstract", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesDetails" ], "xbrltype": "stringItemType" }, "stwd_LoanWithTotalCommitmentsOutstandingAmount": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to loan with total commitments outstanding amount.", "label": "Loan with Total Commitments Outstanding Amount", "terseLabel": "Outstanding" } } }, "localname": "LoanWithTotalCommitmentsOutstandingAmount", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureCommitmentsAndContingenciesDetails" ], "xbrltype": "monetaryItemType" }, "stwd_LoansAndLeasesReceivableNetIncludingLoansTransferredInSecuritizations": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including loans transferred as secured borrowings.", "label": "Loans and Leases Receivable, Net, Including Loans Transferred in Securitizations", "terseLabel": "Loans held-for-investment, loans held-for-sale and loans transferred as secured borrowings" } } }, "localname": "LoansAndLeasesReceivableNetIncludingLoansTransferredInSecuritizations", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialInstrumentsNotCarriedAtFairValueDetails" ], "xbrltype": "monetaryItemType" }, "stwd_LoansAsPercentOfConsolidatedVieAssets": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents loans as a percentage of consolidated VIE assets.", "label": "Loans As Percent Of Consolidated VIE Assets", "terseLabel": "Loans as a percent of consolidated VIE assets" } } }, "localname": "LoansAsPercentOfConsolidatedVieAssets", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "percentItemType" }, "stwd_LoansHeldForInvestmentCommercialMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to commercial loans held for investment.", "label": "Loans Held For Investment Commercial [Member]", "terseLabel": "Commercial loans" } } }, "localname": "LoansHeldForInvestmentCommercialMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansVariableRateLoansHeldForInvestmentDetails" ], "xbrltype": "domainItemType" }, "stwd_LoansHeldForInvestmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the loans receivable held for investment.", "label": "Loans Held For Investment [Member]", "terseLabel": "Total loans held-for-investment" } } }, "localname": "LoansHeldForInvestmentMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "domainItemType" }, "stwd_LoansHeldForSaleCommercialMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the information pertaining to commercial loans which are held for sale.", "label": "Loans Held For Sale Commercial [Member]", "terseLabel": "Loans held-for-sale, commercial" } } }, "localname": "LoansHeldForSaleCommercialMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesDetails" ], "xbrltype": "domainItemType" }, "stwd_LoansHeldForSaleFairValueDisclosureNetNotPartOfDisposalGroupOrDiscontinuedOperation": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables net not part of disposal group or discontinued operation.", "label": "Loans Held For Sale Fair Value Disclosure Net Not Part Of Disposal Group Or Discontinued Operation", "terseLabel": "Loans-held-for-sale, held at fair value" } } }, "localname": "LoansHeldForSaleFairValueDisclosureNetNotPartOfDisposalGroupOrDiscontinuedOperation", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "monetaryItemType" }, "stwd_LoansHeldForSaleInfrastructureMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the information pertaining to residential loans which are held for sale.", "label": "Loans Held For Sale Infrastructure [Member]", "terseLabel": "Loans Held For Sale Infrastructure" } } }, "localname": "LoansHeldForSaleInfrastructureMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails" ], "xbrltype": "domainItemType" }, "stwd_LoansHeldForSaleMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the information pertaining to loans which are held for sale.", "label": "Loans Held For Sale [Member]", "terseLabel": "Loans held-for-sale" } } }, "localname": "LoansHeldForSaleMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "domainItemType" }, "stwd_LoansHeldForSaleResidentialMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the information pertaining to residential loans which are held for sale.", "label": "Loans Held For Sale Residential [Member]", "terseLabel": "Loans held-for-sale, residential" } } }, "localname": "LoansHeldForSaleResidentialMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "domainItemType" }, "stwd_LoansHeldForSaleSoldFairValue": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the fair value of loans held-for-sale, sold during the period.", "label": "Loans Held for Sale Sold Fair Value", "verboseLabel": "Proceeds" } } }, "localname": "LoansHeldForSaleSoldFairValue", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "stwd_LoansHeldForSaleSoldParValue": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the par value of loans held-for-sale, sold during the period.", "label": "Loans Held for Sale Sold Par Value", "verboseLabel": "Face Amount" } } }, "localname": "LoansHeldForSaleSoldParValue", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "stwd_LoansReceivableWithVariableRatesOfInterestTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The tabular disclosure on loans with variable or adjustable rate of interest.", "label": "Loans Receivable with Variable Rates of Interest [Table Text Block]", "terseLabel": "Summary of variable rate loans held-for-investment" } } }, "localname": "LoansReceivableWithVariableRatesOfInterestTableTextBlock", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansTables" ], "xbrltype": "textBlockItemType" }, "stwd_LoansWithFutureFundingCommitmentsValue": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the value of loans with future funding commitments.", "label": "Loans with Future Funding Commitments, Value", "terseLabel": "Value of loans with future funding commitments" } } }, "localname": "LoansWithFutureFundingCommitmentsValue", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureCommitmentsAndContingenciesDetails" ], "xbrltype": "monetaryItemType" }, "stwd_LoansWithFutureFundingCommitmentsValueExpectedToFund": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the value of loans with future funding commitments expected to fund.", "label": "Loans With Future Funding Commitments Value Expected To Fund", "terseLabel": "Value of loans with future funding commitments expected to fund" } } }, "localname": "LoansWithFutureFundingCommitmentsValueExpectedToFund", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureCommitmentsAndContingenciesDetails" ], "xbrltype": "monetaryItemType" }, "stwd_ManagementFees": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents management fees paid to various parties to manage (i) the overall company and (ii) certain designated investments.", "label": "Management Fees", "terseLabel": "Management fees" } } }, "localname": "ManagementFees", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "stwd_MarketableSecuritiesFairValueDisclosure": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally it represents the total debt and equity financial instruments including: (1) trading securities, and (2) securities available-for-sale.", "label": "Marketable Securities Fair Value Disclosure", "terseLabel": "Investment securities held at fair value" } } }, "localname": "MarketableSecuritiesFairValueDisclosure", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "monetaryItemType" }, "stwd_MasterLeasePortfolioMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the Master lease portfolio of properties.", "label": "Master Lease Portfolio [Member]", "terseLabel": "Master Lease Portfolio" } } }, "localname": "MasterLeasePortfolioMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "domainItemType" }, "stwd_MeasurementInputAnnualCouponDeteriorationMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "This member represents information pertaining to measurement input of annual coupon deterioration.", "label": "Measurement Input Annual Coupon Deterioration [Member]", "terseLabel": "Annual coupon deterioration" } } }, "localname": "MeasurementInputAnnualCouponDeteriorationMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "domainItemType" }, "stwd_MeasurementInputCollateralLossMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "This member represents information pertaining to measurement input of collateral loss.", "label": "Measurement Input Collateral Loss [Member]", "terseLabel": "Putback amount per projected total collateral loss" } } }, "localname": "MeasurementInputCollateralLossMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "domainItemType" }, "stwd_MeasurementInputDelinquencyRateMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "This member represents information pertaining to delinquency rate of measurement input.", "label": "Measurement Input Delinquency Rate [Member]", "terseLabel": "Delinquency rate" } } }, "localname": "MeasurementInputDelinquencyRateMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "domainItemType" }, "stwd_MeasurementInputServicerAdvancesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "This member represents information pertaining to measurement input of servicer advances.", "label": "Measurement Input Servicer Advances [Member]", "terseLabel": "Servicer advances" } } }, "localname": "MeasurementInputServicerAdvancesMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "domainItemType" }, "stwd_MedicalOfficePortfolioMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the Medical Office Portfolio of properties.", "label": "Medical Office Portfolio [Member]", "terseLabel": "Medical Office Portfolio" } } }, "localname": "MedicalOfficePortfolioMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "domainItemType" }, "stwd_MezzanineLoanMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A mortgage loan secured by the equity of a company owning real property.", "label": "Mezzanine Loan [Member]", "terseLabel": "Mezzanine Loans" } } }, "localname": "MezzanineLoanMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "domainItemType" }, "stwd_MortgageLoansOnRealEstateCapitalizedInterest": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Total amount of interest capitalized on mortgage loans on real estate during the reporting period.", "label": "Mortgage Loans on Real Estate Capitalized, Interest", "terseLabel": "Capitalized Interest" } } }, "localname": "MortgageLoansOnRealEstateCapitalizedInterest", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails" ], "xbrltype": "monetaryItemType" }, "stwd_MortgageLoansOnRealEstateDiscountAccretionAndPremiumAmortization": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of discount accretion and premium amortization on mortgage loans on real estate during the reporting period.", "label": "Mortgage Loans On Real Estate Discount Accretion And Premium Amortization", "terseLabel": "Discount accretion/premium amortization" } } }, "localname": "MortgageLoansOnRealEstateDiscountAccretionAndPremiumAmortization", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails" ], "xbrltype": "monetaryItemType" }, "stwd_MortgageLoansOnRealEstateGrossCarryingAmountOfMortgages": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails": { "order": 1.0, "parentTag": "us-gaap_MortgageLoansOnRealEstate", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The gross carrying amount of the outstanding balance due under the mortgage loan.", "label": "Mortgage Loans on Real Estate Gross Carrying Amount of Mortgages", "terseLabel": "Total gross loans", "verboseLabel": "Loans Amortized Cost Basis" } } }, "localname": "MortgageLoansOnRealEstateGrossCarryingAmountOfMortgages", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "monetaryItemType" }, "stwd_MortgageLoansOnRealEstatePrincipalAmountOfMortgages": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the contractual principal due as of the balance sheet date.", "label": "Mortgage Loans on Real Estate Principal Amount of Mortgages", "verboseLabel": "Face Amount" } } }, "localname": "MortgageLoansOnRealEstatePrincipalAmountOfMortgages", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails" ], "xbrltype": "monetaryItemType" }, "stwd_MortgageLoansOnRealEstateRelatedToAllowanceForLoanLosses": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Total carrying amount of mortgage loans related to the allowance for loan losses as of the balance sheet date.", "label": "Mortgage Loans on Real Estate Related to Allowance for Loan Losses", "verboseLabel": "Unfunded commitments" } } }, "localname": "MortgageLoansOnRealEstateRelatedToAllowanceForLoanLosses", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails" ], "xbrltype": "monetaryItemType" }, "stwd_MortgageLoansOnRealEstateTransfers": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The carrying amount of mortgage loans that were transferred in from or out to other asset classifications during the period.", "label": "Mortgage Loans on Real Estate, Transfers", "terseLabel": "Transfer to/from other asset classifications" } } }, "localname": "MortgageLoansOnRealEstateTransfers", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails" ], "xbrltype": "monetaryItemType" }, "stwd_MortgageLoansOnRealEstateUnrealizedForeignCurrencyRemeasurementGainLoss": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the unrealized foreign currency measurement gain or loss on mortgage loans.", "label": "Mortgage Loans on Real Estate Unrealized Foreign Currency Remeasurement Gain (Loss)", "negatedLabel": "Unrealized foreign currency translation (loss) gain" } } }, "localname": "MortgageLoansOnRealEstateUnrealizedForeignCurrencyRemeasurementGainLoss", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails" ], "xbrltype": "monetaryItemType" }, "stwd_MortgageLoansOnRealEstateWeightedAverageLife": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the weighted average duration of a group of mortgage loan receivables.", "label": "Mortgage Loans on Real Estate, Weighted Average Life", "terseLabel": "Weighted Average Life" } } }, "localname": "MortgageLoansOnRealEstateWeightedAverageLife", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails" ], "xbrltype": "durationItemType" }, "stwd_MortgageLoansOnRealEstateWriteOffOfCapitalizedCost": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the amount written off of previously capitalized cost.", "label": "Mortgage Loans on Real Estate Write Off of Capitalized Cost", "negatedLabel": "Loan foreclosure" } } }, "localname": "MortgageLoansOnRealEstateWriteOffOfCapitalizedCost", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails" ], "xbrltype": "monetaryItemType" }, "stwd_MovementInMortgageLoansOnRealEstateTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the changes in Mortgage Loans on Real Estate for the period.", "label": "Movement in Mortgage Loans on Real Estate [Table Text Block]", "terseLabel": "Schedule of activity in loan portfolio" } } }, "localname": "MovementInMortgageLoansOnRealEstateTableTextBlock", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansTables" ], "xbrltype": "textBlockItemType" }, "stwd_NetAssetsAcquiredThroughForeclosure": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of net assets acquired through foreclosure.", "label": "Net Assets Acquired Through Foreclosure", "terseLabel": "Net assets acquired through foreclosure" } } }, "localname": "NetAssetsAcquiredThroughForeclosure", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "stwd_NonRatedMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Category to which, no credit rating is internally assigned.", "label": "Non Rated [Member]", "terseLabel": "Defeased and other" } } }, "localname": "NonRatedMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "domainItemType" }, "stwd_NoncontrollingInterestsIncreaseDecreaseFromVariableInterestEntity": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the increase (decrease) in noncontrolling interests balance because of participation in the variable interest entity (VIE).", "label": "Noncontrolling Interests Increase Decrease From Variable Interest Entity", "terseLabel": "VIE non-controlling interests" } } }, "localname": "NoncontrollingInterestsIncreaseDecreaseFromVariableInterestEntity", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "stwd_NumberOfAdditionalPropertiesUnderManagement": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of additional properties under management during the period.", "label": "Number Of Additional Properties Under Management", "terseLabel": "Number of additional properties under management" } } }, "localname": "NumberOfAdditionalPropertiesUnderManagement", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "integerItemType" }, "stwd_NumberOfCollateralizedDebtObligationStructuresConsolidated": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of collateralized debt obligation consolidated.", "label": "Number Of Collateralized Debt Obligation Structures Consolidated", "terseLabel": "Number of collateralized debt obligation" } } }, "localname": "NumberOfCollateralizedDebtObligationStructuresConsolidated", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "integerItemType" }, "stwd_NumberOfCollateralizedDebtObligationsInDefault": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of collateralized debt obligation (CDO) structures in default.", "label": "Number of Collateralized Debt Obligations in Default", "terseLabel": "Number of CDO structures currently in default" } } }, "localname": "NumberOfCollateralizedDebtObligationsInDefault", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "integerItemType" }, "stwd_NumberOfCommonStockPerUnit": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of common stock per unit.", "label": "Number of Common Stock Per Unit", "terseLabel": "Number of common stock per unit" } } }, "localname": "NumberOfCommonStockPerUnit", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "integerItemType" }, "stwd_NumberOfEquityInterestsInUnconsolidatedCommercialRealEstatePropertiesAcquired": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of equity interests in unconsolidated commercial real estate properties.", "label": "Number Of Equity Interests In Unconsolidated Commercial Real Estate Properties Acquired", "terseLabel": "Number of equity interests in unconsolidated commercial real estate properties" } } }, "localname": "NumberOfEquityInterestsInUnconsolidatedCommercialRealEstatePropertiesAcquired", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "integerItemType" }, "stwd_NumberOfPropertiesInPortfolioInvestment": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the number of properties in the portfolio investment.", "label": "Number of Properties in Portfolio Investment", "terseLabel": "Number of properties in portfolio investment" } } }, "localname": "NumberOfPropertiesInPortfolioInvestment", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "integerItemType" }, "stwd_NumberOfPropertiesInPortfolioInvestmentClosed": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the number of properties acquired that closed during the reporting period.", "label": "Number Of Properties In Portfolio Investment Closed", "terseLabel": "Number of acquired properties closed" } } }, "localname": "NumberOfPropertiesInPortfolioInvestmentClosed", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "integerItemType" }, "stwd_NumberOfPubliclyTradedInvestments": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of publicly traded investments.", "label": "Number Of Publicly Traded Investments", "terseLabel": "Number of publicly traded investments" } } }, "localname": "NumberOfPubliclyTradedInvestments", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails" ], "xbrltype": "integerItemType" }, "stwd_NumberOfRealEstatePropertiesSold": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of real estate properties sold during the period.", "label": "Number Of Real Estate Properties Sold", "terseLabel": "Number of properties sold" } } }, "localname": "NumberOfRealEstatePropertiesSold", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "integerItemType" }, "stwd_NumberOfRegionalShoppingMalls": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of regional shopping malls.", "label": "Number of Regional Shopping Malls", "terseLabel": "Number of regional shopping malls" } } }, "localname": "NumberOfRegionalShoppingMalls", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails" ], "xbrltype": "integerItemType" }, "stwd_NumberOfRetailPropertiesAcquired": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of retail properties.", "label": "Number of Retail Properties Acquired", "terseLabel": "Number of retail properties acquired" } } }, "localname": "NumberOfRetailPropertiesAcquired", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAcquisitionsAndDivestituresDetails", "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "integerItemType" }, "stwd_NumberOfSecurities": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of securities.", "label": "Number Of Securities", "terseLabel": "Count" } } }, "localname": "NumberOfSecurities", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails" ], "xbrltype": "integerItemType" }, "stwd_NumberOfSecuritiesWithUnrealizedLosses": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of securities with unrealized losses.", "label": "Number Of Securities with Unrealized Losses", "terseLabel": "Number of securities with unrealized losses" } } }, "localname": "NumberOfSecuritiesWithUnrealizedLosses", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails" ], "xbrltype": "integerItemType" }, "stwd_NumberOfSquareFeetOfProperties": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of square feet properties.", "label": "Number of Square Feet of Properties", "terseLabel": "Number of square feet of properties" } } }, "localname": "NumberOfSquareFeetOfProperties", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAcquisitionsAndDivestituresDetails", "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "areaItemType" }, "stwd_NumberOfSubordinatedMortgages": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the number of subordinated mortgages.", "label": "Number of Subordinated Mortgages" } } }, "localname": "NumberOfSubordinatedMortgages", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "integerItemType" }, "stwd_NumberOfUnitsInPortfolioInvestment": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the number of units in the portfolio investment.", "label": "Number of Units in Portfolio Investment", "terseLabel": "Number of units in portfolio investment" } } }, "localname": "NumberOfUnitsInPortfolioInvestment", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "integerItemType" }, "stwd_NumberOfUnitsInRealEstatePropertyAcquired": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of units in a real estate property acquired during the period.", "label": "Number Of Units In Real Estate Property Acquired", "terseLabel": "Number of units acquired" } } }, "localname": "NumberOfUnitsInRealEstatePropertyAcquired", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAcquisitionsAndDivestituresDetails", "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "integerItemType" }, "stwd_NumberOfUnitsOutstanding": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of units outstanding as of the reporting date.", "label": "Number Of Units Outstanding", "terseLabel": "Number of units outstanding" } } }, "localname": "NumberOfUnitsOutstanding", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "sharesItemType" }, "stwd_OfficeLeaseAgreementWithAffiliateOfChairmanAndCeoMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the information pertaining to office lease agreement with affiliate of the chairman and CEO.", "label": "Office Lease Agreement With Affiliate Of Chairman And Ceo [Member]", "terseLabel": "Office Lease Agreement With Affiliate Of Chairman And CEO" } } }, "localname": "OfficeLeaseAgreementWithAffiliateOfChairmanAndCeoMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "domainItemType" }, "stwd_OffsettingAssetsAndLiabilitiesLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Offsetting Assets and Liabilities [Line Items]", "terseLabel": "Offsetting derivative assets and liabilities" } } }, "localname": "OffsettingAssetsAndLiabilitiesLineItems", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "stwd_OffsettingAssetsAndLiabilitiesTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about derivative and financial assets and liabilities that are subject to offsetting, including enforceable master netting arrangements.", "label": "Offsetting Assets and Liabilities [Table]" } } }, "localname": "OffsettingAssetsAndLiabilitiesTable", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "stwd_OffsettingAssetsAndLiabilitiesTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of derivative and other financial assets and liabilities that are subject to offsetting, including master netting arrangements.", "label": "Offsetting Assets and Liabilities [Table Text Block]", "terseLabel": "Schedule of offsetting assets and liabilities" } } }, "localname": "OffsettingAssetsAndLiabilitiesTableTextBlock", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesTables" ], "xbrltype": "textBlockItemType" }, "stwd_OffsettingAssetsAndLiabilitiesTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Entire disclosure of information about derivative and financial assets and liabilities that are subject to offsetting, including enforceable master netting arrangements.", "label": "Offsetting Assets and Liabilities [Text Block]", "terseLabel": "Offsetting Assets and Liabilities" } } }, "localname": "OffsettingAssetsAndLiabilitiesTextBlock", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilities" ], "xbrltype": "textBlockItemType" }, "stwd_OneMonthLondonInterBankOfferRateMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the information pertaining to One Month London Inter Bank Offer Rate.", "label": "One Month London Inter Bank Offer Rate [Member]", "terseLabel": "One-month LIBOR" } } }, "localname": "OneMonthLondonInterBankOfferRateMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "stwd_OneMonthLondonInterbankOfferedRateLiborMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest rate at which a bank borrows funds from other banks in the one-month London interbank market.", "label": "One Month London Interbank Offered Rate Libor [Member]", "terseLabel": "One-month LIBOR" } } }, "localname": "OneMonthLondonInterbankOfferedRateLiborMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "domainItemType" }, "stwd_OperatingLeaseAnnualBaseRentPerSquareFoot": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the annual base rent per square foot under the operating leases.", "label": "Operating Lease, Annual Base Rent Per Square Foot" } } }, "localname": "OperatingLeaseAnnualBaseRentPerSquareFoot", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "perUnitItemType" }, "stwd_OperatingLeasePercentageOfIncreaseInAnnualBaseRent": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the percentage of increase in annual base rent under the operating leases.", "label": "Operating Lease, Percentage Of Increase in Annual Base Rent" } } }, "localname": "OperatingLeasePercentageOfIncreaseInAnnualBaseRent", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "percentItemType" }, "stwd_OperatingSegmentsAndCorporateNonSegmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the total of all operating segments and corporate overhead not directly attributable to the operating segments.", "label": "Operating Segments And Corporate Non Segment [Member]", "terseLabel": "Operating Segments and Corporate" } } }, "localname": "OperatingSegmentsAndCorporateNonSegmentMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails" ], "xbrltype": "domainItemType" }, "stwd_OriginationOfFirstMortgageLoanMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represent the information pertaining to origination of first mortgage loan.", "label": "Origination Of First Mortgage Loan [Member]", "terseLabel": "Origination Of First Mortgage Loan" } } }, "localname": "OriginationOfFirstMortgageLoanMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "domainItemType" }, "stwd_OriginationOfLoanForDevelopmentAndRecapitalizationOfLuxuryCabinRentalsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represent the information pertaining to origination of loan for development and recapitalization Of luxury cabin rentals.", "label": "Origination Of Loan For Development And Recapitalization Of Luxury Cabin Rentals [Member]", "terseLabel": "Origination Of Loan For Development And Recapitalization Of Luxury Cabin Rentals" } } }, "localname": "OriginationOfLoanForDevelopmentAndRecapitalizationOfLuxuryCabinRentalsMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "domainItemType" }, "stwd_OtherLoansMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents other types of loans not separately disclosed.", "label": "Other Loans [Member]", "terseLabel": "Other" } } }, "localname": "OtherLoansMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "domainItemType" }, "stwd_OtherSecuredFinancingDebtObligationsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information relating to collateralized debt obligations classified as other secured financing.", "label": "Other Secured Financing Debt Obligations [Member]", "terseLabel": "Other Secured Financing" } } }, "localname": "OtherSecuredFinancingDebtObligationsMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails" ], "xbrltype": "domainItemType" }, "stwd_OtherSecuredFinancingMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Secured financing other than securities sold under agreements to repurchase and securities loaned.", "label": "Other Secured Financing [Member]", "terseLabel": "Other Secured Financing" } } }, "localname": "OtherSecuredFinancingMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "stwd_PaymentsToAcquireAdditionalInterestInCollateralizedLoanObligations": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow associated with the purchase of additional interest in collateralized loan obligations during the period.", "label": "Payments to Acquire Additional Interest in Collateralized Loan Obligations", "terseLabel": "Additional Contribution to CLO" } } }, "localname": "PaymentsToAcquireAdditionalInterestInCollateralizedLoanObligations", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "monetaryItemType" }, "stwd_PercentageOfAnnualREITTaxableIncomeDistributableToStockholdersMinimum": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the minimum percentage of annual taxable income which must be distributed to stockholders in order to comply with requirements of the federal tax law for treatment as a real estate investment trust.", "label": "Percentage Of Annual R E I T Taxable Income Distributable To Stockholders Minimum", "terseLabel": "Minimum annual REIT taxable income distributable to stockholders (as a percent)" } } }, "localname": "PercentageOfAnnualREITTaxableIncomeDistributableToStockholdersMinimum", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureBusinessAndOrganizationDetails" ], "xbrltype": "percentItemType" }, "stwd_PercentageOfLoansFinancedByCollateralizedLoanObligations": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Percentage of loans financed by the collateralized loan obligations.", "label": "Percentage Of Loans Financed By Collateralized Loan Obligations", "terseLabel": "Percentage of loans earning a fixed rate" } } }, "localname": "PercentageOfLoansFinancedByCollateralizedLoanObligations", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails" ], "xbrltype": "percentItemType" }, "stwd_PercentageOfRepurchaseAgreementsContainingMarginCallProvisionsForGeneralCapitalMarketActivity": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the percentage of repurchase agreements containing margin call provisions for general capital market activity.", "label": "Percentage Of Repurchase Agreements Containing Margin Call Provisions For General Capital Market Activity", "terseLabel": "Percentage of repurchase agreements containing margin call provisions for general capital market activity" } } }, "localname": "PercentageOfRepurchaseAgreementsContainingMarginCallProvisionsForGeneralCapitalMarketActivity", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsRepurchaseAgreementsDetails" ], "xbrltype": "percentItemType" }, "stwd_PercentageOfRepurchaseAgreementsContainingMarginCallProvisionsThatPertainToLoansHeldForSale": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the percentage of repurchase agreements containing margin call provisions that pertain to loans held-for-sale.", "label": "Percentage Of Repurchase Agreements Containing Margin Call Provisions That Pertain To Loans Held For Sale", "terseLabel": "Percentage of repurchase agreements containing margin call provisions that pertain to loans held-for-sale" } } }, "localname": "PercentageOfRepurchaseAgreementsContainingMarginCallProvisionsThatPertainToLoansHeldForSale", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsRepurchaseAgreementsDetails" ], "xbrltype": "percentItemType" }, "stwd_PercentageOfRepurchaseAgreementsForWhichMarginCallsAreLimitedToCollateralSpecificCreditMarks": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the percentage of repurchase agreements which do not permit valuation adjustments based on capital markets activity. Margin calls on these facilities are limited to collateral-specific credit marks.", "label": "Percentage Of Repurchase Agreements For Which Margin Calls Are Limited To Collateral Specific Credit Marks", "terseLabel": "Percentage of repurchase agreements for which margin calls are limited to collateral specific credit marks" } } }, "localname": "PercentageOfRepurchaseAgreementsForWhichMarginCallsAreLimitedToCollateralSpecificCreditMarks", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsRepurchaseAgreementsDetails" ], "xbrltype": "percentItemType" }, "stwd_PeriodCoveredInDataBase": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Period covered in data base.", "label": "Period Covered In Data Base", "terseLabel": "Period covered in data base" } } }, "localname": "PeriodCoveredInDataBase", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails" ], "xbrltype": "durationItemType" }, "stwd_PermittedReinvestmentUnderStaticInvestmentInVariableInterestEntity": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the permitted reinvestment amount in the Variable Interest Entities (VIE) in which the entity has invested and the investment is static.", "label": "Permitted Reinvestment under Static Investment in Variable Interest Entity", "terseLabel": "Permitted reinvestment under static investment in VIEs" } } }, "localname": "PermittedReinvestmentUnderStaticInvestmentInVariableInterestEntity", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "stwd_PreferredEquityInvestmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the preferred equity investment.", "label": "Preferred Equity Investment [Member]", "terseLabel": "Preferred interests" } } }, "localname": "PreferredEquityInvestmentMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails" ], "xbrltype": "domainItemType" }, "stwd_ProRataShareOwedByNoncontrollingPartnerInJointVenture": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Pro rata share owned by a non-controlling partner in a consolidated joint venture.", "label": "Pro Rata Share Owed By Noncontrolling Partner In Joint Venture", "terseLabel": "Pro rata share owned by a non-controlling partner in a consolidated joint venture" } } }, "localname": "ProRataShareOwedByNoncontrollingPartnerInJointVenture", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "percentItemType" }, "stwd_ProceedsFromIssuanceOfDebtOfConsolidatedVariableInterestEntities": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 10.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow during the period from additional borrowings in aggregate debt of consolidated variable interest entities.", "label": "Proceeds from Issuance of Debt of Consolidated Variable Interest Entities", "terseLabel": "Issuance of debt of consolidated VIEs" } } }, "localname": "ProceedsFromIssuanceOfDebtOfConsolidatedVariableInterestEntities", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "stwd_ProceedsFromPrincipalCollectionsOnInvestmentSecurities": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Cash inflow from proceeds from principal collections on investment securities.", "label": "Proceeds from Principal Collections on Investment Securities", "terseLabel": "Proceeds from principal collections on investment securities", "verboseLabel": "Principal collections" } } }, "localname": "ProceedsFromPrincipalCollectionsOnInvestmentSecurities", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "stwd_ProceedsFromSaleOfDerivativeFinancialInstruments": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from sale of derivative financial instruments.", "label": "Proceeds from Sale of Derivative Financial Instruments", "terseLabel": "Cash consideration" } } }, "localname": "ProceedsFromSaleOfDerivativeFinancialInstruments", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "stwd_ProceedsFromSaleOfInterestInUnconsolidatedEntities": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Proceeds from sale of interest in unconsolidated entities.", "label": "Proceeds From Sale Of Interest In Unconsolidated Entities", "terseLabel": "Proceeds from sale of interest in unconsolidated entities" } } }, "localname": "ProceedsFromSaleOfInterestInUnconsolidatedEntities", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "stwd_ProceedsFromSalesOfInvestmentSecurities": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the information pertaining to cash inflow from sales of investment securities.", "label": "Proceeds From Sales Of Investment Securities", "terseLabel": "Proceeds from sales of investment securities" } } }, "localname": "ProceedsFromSalesOfInvestmentSecurities", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "stwd_PropertyMortgagesFixedRateMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to property mortgages with fixed rate.", "label": "Property Mortgages Fixed Rate [Member]", "terseLabel": "Property Mortgages - Fixed rate" } } }, "localname": "PropertyMortgagesFixedRateMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "stwd_PropertyMortgagesVariableRateMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to property mortgages with variable rate.", "label": "Property Mortgages Variable Rate [Member]", "terseLabel": "Property Mortgages - Variable rate" } } }, "localname": "PropertyMortgagesVariableRateMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "stwd_PropertySegmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information pertaining to the reportable segment of the entity representing the Property Segment.", "label": "Property Segment [Member]", "terseLabel": "Property Segment" } } }, "localname": "PropertySegmentMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails" ], "xbrltype": "domainItemType" }, "stwd_ProvisionForImpairedLosses": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of provision for impaired losses.", "label": "Provision for Impaired Losses", "terseLabel": "Provision for impaired loans" } } }, "localname": "ProvisionForImpairedLosses", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "monetaryItemType" }, "stwd_ProvisionForLoanLossesNet": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 16.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 7.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The net amount of expense (recovery) related to the credit loss allowance.", "label": "Provision for Loan Losses Net", "terseLabel": "Credit loss provision, net" } } }, "localname": "ProvisionForLoanLossesNet", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "stwd_PurchaseCommitmentOutstandingAmount": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the outstanding amount of purchase commitment.", "label": "Purchase Commitment Outstanding Amount", "terseLabel": "Outstanding residential mortgage loan purchase commitment" } } }, "localname": "PurchaseCommitmentOutstandingAmount", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureCommitmentsAndContingenciesDetails" ], "xbrltype": "monetaryItemType" }, "stwd_PurchaseOfMarketableSecurities": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Total debt and equity financial instruments purchased during the period.", "label": "Purchase of Marketable Securities", "terseLabel": "Purchases" } } }, "localname": "PurchaseOfMarketableSecurities", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "stwd_Rating1Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Internally assigned credit rating 1, representing the lowest risk category.", "label": "Rating1 [Member]", "terseLabel": "LTV Less than 60%" } } }, "localname": "Rating1Member", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "domainItemType" }, "stwd_Rating2Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Internally assigned credit rating 2, representing the second-to-lowest risk category.", "label": "Rating2 [Member]", "terseLabel": "LTV 60% - 70%" } } }, "localname": "Rating2Member", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "domainItemType" }, "stwd_Rating3Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Internally assigned credit rating 3, representing the middle risk category.", "label": "Rating3 [Member]", "terseLabel": "LTV > 70%" } } }, "localname": "Rating3Member", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "domainItemType" }, "stwd_Rating4Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Internally assigned credit rating 4, representing the second-to-highest risk category.", "label": "Rating4 [Member]", "terseLabel": "Power" } } }, "localname": "Rating4Member", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "domainItemType" }, "stwd_Rating5Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Internally assigned credit rating 5, representing the highest risk category.", "label": "Rating5 [Member]", "terseLabel": "Oil and gas" } } }, "localname": "Rating5Member", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "domainItemType" }, "stwd_RealEstateBrokerageServicesProviderMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to real estate brokerage services provider.", "label": "Real Estate Brokerage Services Provider [Member]", "terseLabel": "Investor entity which owns equity in two real estate services providers" } } }, "localname": "RealEstateBrokerageServicesProviderMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails" ], "xbrltype": "domainItemType" }, "stwd_RealEstateInvestmentBuildingAndBuildingImprovementsUsefulLife": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Useful life of real estate investment in buildings and building improvements, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Real Estate Investment Building And Building Improvements Useful Life", "terseLabel": "Building and building improvements, useful life" } } }, "localname": "RealEstateInvestmentBuildingAndBuildingImprovementsUsefulLife", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "durationItemType" }, "stwd_RealEstateInvestmentBuildingUsefulLife": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Useful life of real estate investment in buildings, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Real Estate Investment Building, Useful Life", "terseLabel": "Building, useful life" } } }, "localname": "RealEstateInvestmentBuildingUsefulLife", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "durationItemType" }, "stwd_RealEstateInvestmentFurnitureAndFixturesUsefulLife": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Useful life of real estate investment classified as furniture and fixtures, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Real Estate Investment Furniture and Fixtures, Useful Life", "terseLabel": "Furniture & fixtures, useful life" } } }, "localname": "RealEstateInvestmentFurnitureAndFixturesUsefulLife", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "durationItemType" }, "stwd_RealEstateInvestmentLandImprovementsUsefulLife": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Useful life of real estate investment in land improvements.", "label": "Real Estate Investment Land Improvements Useful Life", "terseLabel": "Land improvements, useful life" } } }, "localname": "RealEstateInvestmentLandImprovementsUsefulLife", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "durationItemType" }, "stwd_RealEstateInvestmentPropertyLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Real Estate Investment Property [Line Items]", "terseLabel": "Properties" } } }, "localname": "RealEstateInvestmentPropertyLineItems", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "stringItemType" }, "stwd_RealEstateInvestmentPropertyTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about real estate investments.", "label": "Real Estate Investment Property [Table]" } } }, "localname": "RealEstateInvestmentPropertyTable", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "stringItemType" }, "stwd_RedemptionOfUnitsForCommonStockShares": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the shares of redemption of unit of common stock.", "label": "Redemption of Units for Common Stock Shares", "terseLabel": "Redemption of Class A Units for common stock (in shares)" } } }, "localname": "RedemptionOfUnitsForCommonStockShares", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "sharesItemType" }, "stwd_RedemptionOfUnitsForCommonStockValue": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the amount of redemption of units for common stock.", "label": "Redemption of Units for Common Stock Value", "terseLabel": "Redemption of Class A Units for common stock" } } }, "localname": "RedemptionOfUnitsForCommonStockValue", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "stwd_RelatedPartyAccruedIncentiveFee": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the management incentive fee for the operation and management of the entity's business accrued during the period.", "label": "Related Party Accrued Incentive Fee", "terseLabel": "Incentive fee incurred" } } }, "localname": "RelatedPartyAccruedIncentiveFee", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "stwd_RelatedPartyBaseManagementFeeExpense": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the base management fees incurred, as contractually stipulated, for the operation and management of the entity's business during the reporting period.", "label": "Related Party, Base Management Fee, Expense", "terseLabel": "Base management fee incurred" } } }, "localname": "RelatedPartyBaseManagementFeeExpense", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "stwd_RelatedPartyBaseManagementFeePayable": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the base management fees payable as of the balance sheet date, for the operation and management of the entity's business.", "label": "Related Party, Base Management Fee Payable", "terseLabel": "Base management fee payable" } } }, "localname": "RelatedPartyBaseManagementFeePayable", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "stwd_RelatedPartyBaseManagementSharesIssuable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of shares issuable for related party.", "label": "Related Party Base Management, Shares Issuable", "terseLabel": "Base management fee in shares of common stock" } } }, "localname": "RelatedPartyBaseManagementSharesIssuable", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "sharesItemType" }, "stwd_RelatedPartyExecutiveCompensationExpenseAndOtherReimbursableExpensesIncurred": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the executive compensation expense and other reimbursable expenses incurred by the related party during the period.", "label": "Related Party Executive Compensation Expense and Other Reimbursable Expenses Incurred", "terseLabel": "Executive compensation and other reimbursable expenses" } } }, "localname": "RelatedPartyExecutiveCompensationExpenseAndOtherReimbursableExpensesIncurred", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "stwd_RelatedPartyExecutiveCompensationExpenseAndOtherReimbursableExpensesPayable": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the executive compensation expense and other reimbursable expenses payable to the related party as of the balance sheet date.", "label": "Related Party, Executive Compensation Expense and Other Reimbursable Expenses, Payable", "terseLabel": "Executive compensation and other reimbursable expense payable" } } }, "localname": "RelatedPartyExecutiveCompensationExpenseAndOtherReimbursableExpensesPayable", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "stwd_RelatedPartyIncentiveFeeEarnedPayable": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents incentive fees payable to related party.", "label": "Related Party Incentive Fee Earned Payable", "terseLabel": "Incentive fees payable" } } }, "localname": "RelatedPartyIncentiveFeeEarnedPayable", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "stwd_RenewalTermNumberOfOptions": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of renewal options for the investment loan.", "label": "Renewal Term, Number of options", "terseLabel": "Number of options" } } }, "localname": "RenewalTermNumberOfOptions", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "integerItemType" }, "stwd_ReoAssetsAsPercentOfConsolidatedVieAssets": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents REO as a percentage of consolidated VIE assets.", "label": "REO Assets As Percent Of Consolidated VIE Assets", "terseLabel": "REO assets as a percent of consolidated VIE assets" } } }, "localname": "ReoAssetsAsPercentOfConsolidatedVieAssets", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "percentItemType" }, "stwd_RepaymentsOfDebtOfConsolidatedVariableInterestEntities": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 11.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow during the period from the repayment of aggregate debt of consolidated variable interest entities.", "label": "Repayments of Debt of Consolidated Variable Interest Entities", "negatedLabel": "Repayment of debt of consolidated VIEs" } } }, "localname": "RepaymentsOfDebtOfConsolidatedVariableInterestEntities", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "stwd_RepurchaseAgreementsDebtObligationsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information relating to collateralized debt obligations classified as repurchase agreements.", "label": "Repurchase Agreements Debt Obligations [Member]", "terseLabel": "Repurchase Agreements" } } }, "localname": "RepurchaseAgreementsDebtObligationsMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsRepurchaseAgreementsDetails" ], "xbrltype": "domainItemType" }, "stwd_ResidentialLoansAtFairValueOptionMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to residential loans at fair value option.", "label": "Residential Loans At Fair Value Option [Member]", "terseLabel": "Residential loans, fair value option" } } }, "localname": "ResidentialLoansAtFairValueOptionMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "domainItemType" }, "stwd_ResidentialMortgageBackedSecuritiesFairValueOptionMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Residential mortgage backed securities which are elected as fair value option.", "label": "Residential Mortgage Backed Securities Fair Value Option [Member]", "terseLabel": "RMBS, fair value option" } } }, "localname": "ResidentialMortgageBackedSecuritiesFairValueOptionMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails" ], "xbrltype": "domainItemType" }, "stwd_ResidentialMortgageOriginatorMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Residential mortgage originator.", "label": "Residential Mortgage Originator [Member]", "terseLabel": "Residential mortgage originator" } } }, "localname": "ResidentialMortgageOriginatorMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "domainItemType" }, "stwd_RevolversAndLettersOfCreditCommitmentsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to revolvers and letters of credit commitment.", "label": "Revolvers And Letters Of Credit Commitments [Member]", "terseLabel": "Revolvers and letters of credit" } } }, "localname": "RevolversAndLettersOfCreditCommitmentsMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureCommitmentsAndContingenciesDetails" ], "xbrltype": "domainItemType" }, "stwd_RevolvingSecuredFinancingMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information related to revolving secured financing.", "label": "Revolving Secured Financing [Member]", "terseLabel": "Revolving Credit Agreement" } } }, "localname": "RevolvingSecuredFinancingMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "stwd_SCGCorePlusRetailFundLPMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to SCG Core-Plus Retail Fund, L.P..", "label": "S C G Core Plus Retail Fund L P [Member]", "terseLabel": "Retail Fund" } } }, "localname": "SCGCorePlusRetailFundLPMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails" ], "xbrltype": "domainItemType" }, "stwd_SPTManagementLLCMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to SPT Management, LLC.", "label": "S P T Management L L C [Member]", "terseLabel": "Manager" } } }, "localname": "SPTManagementLLCMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "stwd_SaleOfMarketableSecurities": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Total debt and equity financial instruments sold during the period.", "label": "Sale of Marketable Securities", "terseLabel": "Sales" } } }, "localname": "SaleOfMarketableSecurities", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "stwd_SalesRevenueRecognitionAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "No definition available.", "label": "Sales Revenue Recognition [Abstract]", "terseLabel": "Revenues:" } } }, "localname": "SalesRevenueRecognitionAbstract", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "stringItemType" }, "stwd_ScheduleOfCondensedConsolidatedBalanceSheetBySegmentTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the condensed consolidated balance sheet for each reportable segment.", "label": "Schedule of Condensed Consolidated Balance Sheet by Segment [Table Text Block]", "terseLabel": "Schedule of condensed consolidated balance sheet by business segment" } } }, "localname": "ScheduleOfCondensedConsolidatedBalanceSheetBySegmentTableTextBlock", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataTables" ], "xbrltype": "textBlockItemType" }, "stwd_ScheduleOfFairValueAndParValueOfLoansSoldAndSalesProceedsUsedToRepayOutstandingBalanceOfRepurchaseAgreementsTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the fair value and par value of loans sold from the conduit platform, as well as the amount of sale proceeds used in part to repay the outstanding balance of the repurchase agreements associated with the loans.", "label": "Schedule Of Fair Value And Par Value Of Loans Sold And Sales Proceeds Used To Repay Outstanding Balance Of Repurchase Agreements [Table Text Block]", "terseLabel": "Summary of fair value and par value of loans sold and amount of sale proceeds used in part to repay the outstanding balance of the repurchase agreements associated with the loans" } } }, "localname": "ScheduleOfFairValueAndParValueOfLoansSoldAndSalesProceedsUsedToRepayOutstandingBalanceOfRepurchaseAgreementsTableTextBlock", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesTables" ], "xbrltype": "textBlockItemType" }, "stwd_ScheduleOfGoodwillAndIntangibleAssetsTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule of goodwill and intangible assets.", "label": "Schedule of Goodwill and Intangible Assets [Table]" } } }, "localname": "ScheduleOfGoodwillAndIntangibleAssetsTable", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails", "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails" ], "xbrltype": "stringItemType" }, "stwd_ScheduleOfLoansSoldAndLoansTransferredAsSecuredBorrowingsTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of loans sold and loans transferred as secured borrowings net of expenses.", "label": "Schedule of Loans Sold and Loans Transferred as Secured Borrowings [Table Text Block]", "terseLabel": "Summary of loans sold and loans transferred as secured borrowings by the Lending segment net of expenses" } } }, "localname": "ScheduleOfLoansSoldAndLoansTransferredAsSecuredBorrowingsTableTextBlock", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesTables" ], "xbrltype": "textBlockItemType" }, "stwd_ScheduleOfMaturitiesOfPreferredEquityInterestsInLimitedLiabilityCompaniesTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of maturities of preferred equity interests in limited liability companies that own commercial real estate.", "label": "Schedule Of Maturities Of Preferred Equity Interests In Limited Liability Companies [Table Text Block]", "terseLabel": "Summary of maturities of preferred equity interests in limited liability companies that own commercial real estate" } } }, "localname": "ScheduleOfMaturitiesOfPreferredEquityInterestsInLimitedLiabilityCompaniesTableTextBlock", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesTables" ], "xbrltype": "textBlockItemType" }, "stwd_ScheduleOfRealEstateInvestmentPropertyTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of real estate assets included in the discussion of the nature of the entity's operations.", "label": "Schedule of Real Estate Investment Property [Table Text Block]", "terseLabel": "Summary of properties" } } }, "localname": "ScheduleOfRealEstateInvestmentPropertyTableTextBlock", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesTables" ], "xbrltype": "textBlockItemType" }, "stwd_ScheduleOfSegmentReportingInformationOfResultsOfOperationsBySegmentTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the results of operations for each reportable segment.", "label": "Schedule of Segment Reporting Information of Results of Operations by Segment [Table Text Block]", "terseLabel": "Schedule of results of operations by business segment" } } }, "localname": "ScheduleOfSegmentReportingInformationOfResultsOfOperationsBySegmentTableTextBlock", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataTables" ], "xbrltype": "textBlockItemType" }, "stwd_ScheduleOfShareAwardsGrantedToManagerAsIncentiveCompensationTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of share awards to manager as part of the incentive compensation due under the Management Agreement.", "label": "Schedule of Share Awards Granted to Manager as Incentive Compensation [Table Text Block]", "terseLabel": "Summary of share awards granted under the Manager Equity Plan" } } }, "localname": "ScheduleOfShareAwardsGrantedToManagerAsIncentiveCompensationTableTextBlock", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsTables" ], "xbrltype": "textBlockItemType" }, "stwd_ScheduleOfTransactionsInvestmentSecuritiesTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the transactions during the period of investment securities, including but not limited to purchases, sales and pay-downs.", "label": "Schedule of Transactions Investment Securities [Table Text Block]", "terseLabel": "Schedule of purchases, sales and principal collections for all investment securities" } } }, "localname": "ScheduleOfTransactionsInvestmentSecuritiesTableTextBlock", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesTables" ], "xbrltype": "textBlockItemType" }, "stwd_SecuredDebtPrincipalAmountOutstandingOnLoansSecuritizedAndParticipatingMortgageLoansParticipationLiabilitiesAmount": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the carrying value as of the balance sheet date , including the current and noncurrent portions, of collateralized debt obligations and principal amount outstanding for securitized loans only (across all types of loans) and the amount of the participation liability at the end of the accounting period.", "label": "Secured Debt Principal Amount Outstanding on Loans Securitized and Participating Mortgage Loans Participation Liabilities Amount", "terseLabel": "Secured financing agreements and secured borrowings on transferred loans" } } }, "localname": "SecuredDebtPrincipalAmountOutstandingOnLoansSecuritizedAndParticipatingMortgageLoansParticipationLiabilitiesAmount", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialInstrumentsNotCarriedAtFairValueDetails" ], "xbrltype": "monetaryItemType" }, "stwd_SecuritizationAndFinancingArrangementsDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Loan Securitization/Sale Activities" } } }, "localname": "SecuritizationAndFinancingArrangementsDisclosureAbstract", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "xbrltype": "stringItemType" }, "stwd_SecuritizationAndFinancingArrangementsDisclosureTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "This element represents details related to agreements and arrangements entered into by the entity related to securitization and financial arrangements of the entity in one text block.", "label": "Securitization and Financing Arrangements Disclosure [Text Block]", "terseLabel": "Loan Securitization/Sale Activities" } } }, "localname": "SecuritizationAndFinancingArrangementsDisclosureTextBlock", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivities" ], "xbrltype": "textBlockItemType" }, "stwd_SecuritizationFinancialAssetForWhichTransferIsAccountedAsSaleFaceAmount": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Face amount of assets transferred during the period related to either a securitization, asset-backed financing arrangement, or similar transfer accounted for as a sale.", "label": "Securitization Financial Asset for Which Transfer is Accounted as Sale Face Amount", "terseLabel": "Face Amount" } } }, "localname": "SecuritizationFinancialAssetForWhichTransferIsAccountedAsSaleFaceAmount", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "stwd_SecuritizationSpecialPurposeEntitiesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to securitization a special purpose entity (SPE).", "label": "Securitization Special Purpose Entities [Member]", "terseLabel": "Securitization SPEs" } } }, "localname": "SecuritizationSpecialPurposeEntitiesMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "domainItemType" }, "stwd_SecuritizationsOfLoansHeldForSaleFaceAmount": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the amount of securitizations of loans held for sale.", "label": "Securitizations Of Loans Held For Sale Face Amount", "terseLabel": "Securitization of loans held for sale" } } }, "localname": "SecuritizationsOfLoansHeldForSaleFaceAmount", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSubsequentEventsDetails" ], "xbrltype": "monetaryItemType" }, "stwd_SeniorNotes3625Due2021Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 3.625% senior notes due 2021.", "label": "Senior Notes3625 Due2021 [Member]", "terseLabel": "2021 Senior Notes 3.63%" } } }, "localname": "SeniorNotes3625Due2021Member", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "stwd_SeniorNotesDue2021Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 5.00% senior notes due 2021.", "label": "Senior Notes Due2021 [Member]", "terseLabel": "2021 Senior Notes 5.00%" } } }, "localname": "SeniorNotesDue2021Member", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "stwd_SettlementOfLoansTransferredAsSecuredBorrowings": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of settlement of loans transferred as secured borrowings in non-cash activity.", "label": "Settlement Of Loans Transferred As Secured Borrowings", "terseLabel": "Settlement of loans transferred as secured borrowings" } } }, "localname": "SettlementOfLoansTransferredAsSecuredBorrowings", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "stwd_ShareBasedCompensationAndNonemployeeServicesTransactionExpense": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 6.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. Also includes the amount of expense reported during the period resulting from the transaction in which equity securities were issued to pay for nonemployee services. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.", "label": "Share-based Compensation and Nonemployee Services Transaction Expense", "terseLabel": "Share-based compensation" } } }, "localname": "ShareBasedCompensationAndNonemployeeServicesTransactionExpense", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "stwd_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodTotalFairValue": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value of share-based awards granted in the period for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.", "label": "Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Granted In Period Total Fair Value", "terseLabel": "Grant date fair value" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodTotalFairValue", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "stwd_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodTotalFairValue": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The total fair value of equity-based awards granted during the period.", "label": "Share-based Compensation, Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Total Fair Value", "terseLabel": "Awards granted, fair value" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodTotalFairValue", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsEquityIncentivePlansDetails" ], "xbrltype": "monetaryItemType" }, "stwd_SptDolphinMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information related to SPT Dolphin.", "label": "Spt Dolphin [Member]", "terseLabel": "SPT Dolphin" } } }, "localname": "SptDolphinMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "domainItemType" }, "stwd_StarwoodEuropeanRealEstateFinanceLimitedMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Starwood European Real Estate Finance Limited, an equity security investment.", "label": "Starwood European Real Estate Finance Limited [Member]", "terseLabel": "SEREF" } } }, "localname": "StarwoodEuropeanRealEstateFinanceLimitedMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesSerefDetails", "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "domainItemType" }, "stwd_StarwoodPropertyTrustIncEquityPlanAndManagerEquityPlanMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the Starwood Property Trust, Inc. Equity Plan and Manager Equity Plan providing for the issuance of restricted stock or restricted stock units to the entity's employees and manager as a form of incentive compensation.", "label": "Starwood Property Trust Inc Equity Plan And Manager Equity Plan [Member]", "terseLabel": "Starwood Property Trust, Inc. Equity Plan and Manager Equity Plan" } } }, "localname": "StarwoodPropertyTrustIncEquityPlanAndManagerEquityPlanMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsEquityIncentivePlansDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsNonVestedSharesDetails" ], "xbrltype": "domainItemType" }, "stwd_StarwoodPropertyTrustIncEquityPlanMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the Starwood Property Trust, Inc. Equity Plan providing for the issuance of restricted stock or restricted stock units to the entity's employees as a form of incentive compensation.", "label": "Starwood Property Trust Inc Equity Plan [Member]", "terseLabel": "Starwood Property Trust, Inc. Equity Plan" } } }, "localname": "StarwoodPropertyTrustIncEquityPlanMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsEquityIncentivePlansDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsNonVestedSharesDetails" ], "xbrltype": "domainItemType" }, "stwd_StarwoodPropertyTrustIncManagerEquityPlanMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the Starwood Property Trust, Inc. Manager Equity Plan providing for the issuance of restricted stock or restricted stock units to the entity's manager as a form of incentive compensation.", "label": "Starwood Property Trust Inc Manager Equity Plan [Member]", "terseLabel": "Starwood Property Trust, Inc. Manager Equity Plan" } } }, "localname": "StarwoodPropertyTrustIncManagerEquityPlanMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsEquityIncentivePlansDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsNonVestedSharesDetails" ], "xbrltype": "domainItemType" }, "stwd_StockIssuedDuringPeriodSharesATMEquityOfferingSalesAgreement": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of shares issued during the period through an agent under an \"at the market\" equity offering program agreement.", "label": "Stock Issued During Period Shares A T M Equity Offering Sales Agreement", "verboseLabel": "Shares issued under ATM Agreement" } } }, "localname": "StockIssuedDuringPeriodSharesATMEquityOfferingSalesAgreement", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "sharesItemType" }, "stwd_SubordinatedLoansMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A senior subordinated loan takes priority over other debt securities sold by the issuer. In the event the issuer goes bankrupt, senior subordinated debt holders receive priority for [must receive] repayment [prior] relative to junior and unsecured (general) creditors. However senior subordinated loans are junior to Senior Notes and loans and Senior bond holders.", "label": "Subordinated Loans [Member]", "terseLabel": "Subordinated Loans" } } }, "localname": "SubordinatedLoansMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails" ], "xbrltype": "domainItemType" }, "stwd_SummaryOfMovementInFiniteAndIndefiniteLivedIntangibleAssetsTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the summary of movement in the intangible assets during the reporting period.", "label": "Summary Of Movement In Finite And Indefinite Lived Intangible Assets [Table Text Block]", "terseLabel": "Summary of activity within intangible assets" } } }, "localname": "SummaryOfMovementInFiniteAndIndefiniteLivedIntangibleAssetsTableTextBlock", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesTables" ], "xbrltype": "textBlockItemType" }, "stwd_TRSSubsidiariesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Taxable REIT subsidiaries of the entity, which are not consolidated for federal income tax purposes, but are instead taxed as corporations.", "label": "T R S Subsidiaries [Member]", "terseLabel": "TRS entities" } } }, "localname": "TRSSubsidiariesMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesDetails" ], "xbrltype": "domainItemType" }, "stwd_TermLoanAndRevolverMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to term loan and revolver.", "label": "Term Loan And Revolver [Member]", "terseLabel": "Term Loan and Revolver" } } }, "localname": "TermLoanAndRevolverMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "stwd_TermLoanFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the information relating to the Term Loan Facility.", "label": "Term Loan Facility [Member]", "terseLabel": "Term loan facility" } } }, "localname": "TermLoanFacilityMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "stwd_UnitsConvertibleNumberOfEquityInstruments": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of equity instruments that the holder of the convertible units would receive if the unites were converted to equity.", "label": "Units Convertible Number Of Equity Instruments", "terseLabel": "Potential shares of common stock contingently issuable upon conversion of the Class A units" } } }, "localname": "UnitsConvertibleNumberOfEquityInstruments", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDilutiveAndAntidilutiveSecuritiesDetails" ], "xbrltype": "integerItemType" }, "stwd_UtahFloridaTexasAndMinnesotaMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information related to Utah, Florida, Texas and Minnesota.", "label": "Utah Florida Texas And Minnesota [Member]", "terseLabel": "Utah, Florida, Texas and Minnesota" } } }, "localname": "UtahFloridaTexasAndMinnesotaMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "domainItemType" }, "stwd_VariableInterestEntitiesDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Variable Interest Entities" } } }, "localname": "VariableInterestEntitiesDisclosureAbstract", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "xbrltype": "stringItemType" }, "stwd_VariableInterestEntityAssetsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Variable Interest Entity's (VIE) assets.", "label": "Variable Interest Entity Assets [Member]", "terseLabel": "VIE Assets" } } }, "localname": "VariableInterestEntityAssetsMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "domainItemType" }, "stwd_VariableInterestEntityConsolidatedCarryingAmountAccountsPayableAccruedExpensesAndOtherLiabilities": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The carrying amount of the consolidated Variable Interest Entity's accounts payable, accrued expenses and other liabilities included in the reporting entity's statement of financial position.", "label": "Variable Interest Entity, Consolidated, Carrying Amount, Accounts Payable, Accrued Expenses And Other Liabilities", "terseLabel": "Accounts payable, accrued expenses and other liabilities" } } }, "localname": "VariableInterestEntityConsolidatedCarryingAmountAccountsPayableAccruedExpensesAndOtherLiabilities", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesAssetsAndLiabilitiesOfConsolidatedCloDetails" ], "xbrltype": "monetaryItemType" }, "stwd_VariableInterestEntityConsolidatedCarryingAmountAccruedInterestReceivable": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The carrying amount of the consolidated Variable Interest Entity's accrued interest receivable included in the reporting entity's statement of financial position.", "label": "Variable Interest Entity, Consolidated, Carrying Amount, Accrued Interest Receivable", "terseLabel": "Accrued interest receivable" } } }, "localname": "VariableInterestEntityConsolidatedCarryingAmountAccruedInterestReceivable", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesAssetsAndLiabilitiesOfConsolidatedCloDetails" ], "xbrltype": "monetaryItemType" }, "stwd_VariableInterestEntityConsolidatedCarryingAmountCollateralizedLoanObligationsNet": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Variable Interest Entity Consolidated Carrying Amount, Collateralized Loan Obligations, Net.", "label": "Variable Interest Entity Consolidated Carrying Amount, Collateralized Loan Obligations, Net", "terseLabel": "Collateralized loan obligations, net" } } }, "localname": "VariableInterestEntityConsolidatedCarryingAmountCollateralizedLoanObligationsNet", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesAssetsAndLiabilitiesOfConsolidatedCloDetails" ], "xbrltype": "monetaryItemType" }, "stwd_VariableInterestEntityConsolidatedCarryingAmountLoansHeldForInvestment": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The carrying amount of the consolidated Variable Interest Entity's loans held-for-investment included in the reporting entity's statement of financial position.", "label": "Variable Interest Entity, Consolidated, Carrying Amount, Loans Held For Investment", "terseLabel": "Loans held-for-investment, net" } } }, "localname": "VariableInterestEntityConsolidatedCarryingAmountLoansHeldForInvestment", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesAssetsAndLiabilitiesOfConsolidatedCloDetails" ], "xbrltype": "monetaryItemType" }, "stwd_VariableInterestEntityConsolidatedCarryingAmountOtherAssets": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The carrying amount of the consolidated Variable Interest Entity's other assets included in the reporting entity's statement of financial position.", "label": "Variable Interest Entity, Consolidated, Carrying Amount, Other Assets", "terseLabel": "Other assets" } } }, "localname": "VariableInterestEntityConsolidatedCarryingAmountOtherAssets", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesAssetsAndLiabilitiesOfConsolidatedCloDetails" ], "xbrltype": "monetaryItemType" }, "stwd_VariableInterestEntityConsolidationInNonCashInvestingAndFinancingActivities": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents consolidation of a variable interest entity (VIE) in non-cash investing and financing activities.", "label": "Variable Interest Entity Consolidation in Non Cash Investing and Financing Activities", "terseLabel": "Consolidation of VIEs (VIE asset/liability additions)" } } }, "localname": "VariableInterestEntityConsolidationInNonCashInvestingAndFinancingActivities", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "stwd_VariableInterestEntityDeconsolidationInNonCashInvestingAndFinancingActivities": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents deconsolidation of a variable interest entity (VIE) in non-cash investing and financing activities.", "label": "Variable Interest Entity Deconsolidation in Non Cash Investing and Financing Activities", "terseLabel": "Deconsolidation of VIEs (VIE asset/liability reductions)" } } }, "localname": "VariableInterestEntityDeconsolidationInNonCashInvestingAndFinancingActivities", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "stwd_VariableInterestEntityLiabilitiesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Variable Interest Entity's (VIE) liabilities.", "label": "Variable Interest Entity Liabilities [Member]", "terseLabel": "VIE liabilities" } } }, "localname": "VariableInterestEntityLiabilitiesMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "domainItemType" }, "stwd_VariousCostMethodInvesteeMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to various cost method investees.", "label": "Various Cost Method Investee [Member]", "terseLabel": "Various" } } }, "localname": "VariousCostMethodInvesteeMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails" ], "xbrltype": "domainItemType" }, "stwd_VariousEquityMethodInvesteeMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to various equity method investees.", "label": "Various Equity Method Investee [Member]", "terseLabel": "Various - Equity method" } } }, "localname": "VariousEquityMethodInvesteeMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails" ], "xbrltype": "domainItemType" }, "stwd_WoodstarIPortfolioMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represent information related to Woodstar I Portfolio", "label": "Woodstar I Portfolio [Member]", "terseLabel": "Woodstar I Portfolio" } } }, "localname": "WoodstarIPortfolioMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "stwd_WoodstarTwoPortfolioMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the Woodstar II portfolio of properties.", "label": "Woodstar Two Portfolio [Member]", "terseLabel": "Woodstar II Portfolio" } } }, "localname": "WoodstarTwoPortfolioMember", "nsuri": "http://www.starwoodpropertytrust.com/20200630", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountingPoliciesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Summary of Significant Accounting Policies" } } }, "localname": "AccountingPoliciesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_AccountingStandardsUpdate201502Member": { "auth_ref": [ "r381", "r382" ], "lang": { "en-US": { "role": { "documentation": "Accounting Standards Update 2015-02 Consolidation (Topic 810): Amendments to the Consolidation Analysis.", "label": "Accounting Standards Update201502 [Member]", "terseLabel": "ASU 2015-02" } } }, "localname": "AccountingStandardsUpdate201502Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountingStandardsUpdate201613Member": { "auth_ref": [ "r237" ], "lang": { "en-US": { "role": { "documentation": "Accounting Standards Update 2016-13 Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments.", "label": "Accounting Standards Update201613 [Member]", "terseLabel": "ASU 2016-13" } } }, "localname": "AccountingStandardsUpdate201613Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent": { "auth_ref": [ "r497", "r532" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Sum of the carrying values as of the balance sheet date of obligations incurred through that date, including liabilities incurred and payable to vendors for goods and services received, taxes, interest, rent and utilities, compensation costs, payroll taxes and fringe benefits (other than pension and postretirement obligations), contractual rights and obligations, and statutory obligations.", "label": "Accounts Payable and Accrued Liabilities", "terseLabel": "Accounts payable, accrued expenses and other liabilities" } } }, "localname": "AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments": { "auth_ref": [ "r112" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method.", "label": "Accretion (Amortization) of Discounts and Premiums, Investments", "negatedLabel": "Accretion of net discount on investment securities", "terseLabel": "Included in earnings: Net accretion" } } }, "localname": "AccretionAmortizationOfDiscountsAndPremiumsInvestments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember": { "auth_ref": [ "r49", "r56", "r57", "r365" ], "lang": { "en-US": { "role": { "documentation": "Accumulated other comprehensive income (loss) resulting from foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, including the portion attributable to the noncontrolling interest.", "label": "Accumulated Foreign Currency Adjustment Including Portion Attributable To Noncontrolling Interest [Member]", "terseLabel": "Foreign Currency Translation" } } }, "localname": "AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAccumulatedOtherComprehensiveIncomeChangesInAociDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterestMember": { "auth_ref": [ "r50", "r51", "r52", "r56", "r57" ], "lang": { "en-US": { "role": { "documentation": "Accumulated unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), including portion attributable to noncontrolling interest.", "label": "Accumulated Net Investment Gain Loss Including Portion Attributable To Noncontrolling Interest [Member]", "terseLabel": "Cumulative Unrealized Gain (Loss) on Available-for-Sale Securities" } } }, "localname": "AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterestMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAccumulatedOtherComprehensiveIncomeChangesInAociDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Accumulated Other Comprehensive Income (Loss) [Line Items]", "terseLabel": "Accumulated Other Comprehensive Income" } } }, "localname": "AccumulatedOtherComprehensiveIncomeLossLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAccumulatedOtherComprehensiveIncomeChangesInAociDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax": { "auth_ref": [ "r54", "r55", "r56" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.", "label": "Accumulated Other Comprehensive Income (Loss), Net of Tax", "periodEndLabel": "Ending balance", "periodStartLabel": "Beginning balance", "terseLabel": "Accumulated other comprehensive income", "verboseLabel": "Accumulated other comprehensive income (loss)" } } }, "localname": "AccumulatedOtherComprehensiveIncomeLossNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAccumulatedOtherComprehensiveIncomeChangesInAociDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccumulatedOtherComprehensiveIncomeLossTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about components of accumulated other comprehensive income (loss).", "label": "Accumulated Other Comprehensive Income (Loss) [Table]" } } }, "localname": "AccumulatedOtherComprehensiveIncomeLossTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAccumulatedOtherComprehensiveIncomeChangesInAociDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AccumulatedOtherComprehensiveIncomeMember": { "auth_ref": [ "r53", "r56", "r57", "r365" ], "lang": { "en-US": { "role": { "documentation": "Accumulated increase (decrease) in equity from transactions and other events and circumstances from non-owner sources, attributable to the parent. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners.", "label": "Accumulated Other Comprehensive Income [Member]", "terseLabel": "Accumulated Other Comprehensive Income" } } }, "localname": "AccumulatedOtherComprehensiveIncomeMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "domainItemType" }, "us-gaap_AdditionalPaidInCapitalCommonStock": { "auth_ref": [ "r16" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.", "label": "Additional Paid in Capital, Common Stock", "terseLabel": "Additional paid-in capital" } } }, "localname": "AdditionalPaidInCapitalCommonStock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdditionalPaidInCapitalMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders.", "label": "Additional Paid In Capital [Member]", "terseLabel": "Additional Paid-In Capital" } } }, "localname": "AdditionalPaidInCapitalMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "domainItemType" }, "us-gaap_AdjustmentsForNewAccountingPronouncementsAxis": { "auth_ref": [ "r134" ], "lang": { "en-US": { "role": { "documentation": "Information by new accounting pronouncement.", "label": "Adjustments for New Accounting Pronouncements [Axis]" } } }, "localname": "AdjustmentsForNewAccountingPronouncementsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]", "verboseLabel": "Adjustments to reconcile net income to net cash provided by (used in) operating activities:" } } }, "localname": "AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts": { "auth_ref": [ "r308", "r316" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration.", "label": "Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs", "negatedLabel": "Equity offering costs" } } }, "localname": "AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_AllocatedShareBasedCompensationExpense": { "auth_ref": [ "r327", "r339", "r341" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.", "label": "Allocated Share-based Compensation Expense", "terseLabel": "Share-based compensation expense, before tax" } } }, "localname": "AllocatedShareBasedCompensationExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsEquityIncentivePlansDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease": { "auth_ref": [ "r501" ], "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) of allowance reserve for credit loss.", "label": "Allowance for Loan and Lease Losses, Period Increase (Decrease)", "negatedLabel": "Credit loss provision, net" } } }, "localname": "AllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AllowanceForLoanAndLeaseLossesRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Allowance for Loan and Lease Losses [Roll Forward]", "terseLabel": "Activity in allowance for loan losses" } } }, "localname": "AllowanceForLoanAndLeaseLossesRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs": { "auth_ref": [ "r192", "r501" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.", "label": "Allowance for Loan and Lease Losses, Write-offs", "terseLabel": "Charge-offs" } } }, "localname": "AllowanceForLoanAndLeaseLossesWriteOffs", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AmortizationOfDeferredCharges": { "auth_ref": [ "r79" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of amortization of deferred charges applied against earnings during the period.", "label": "Amortization of Deferred Charges", "terseLabel": "Amortization of deferred financing costs, premiums and discounts on secured borrowings" } } }, "localname": "AmortizationOfDeferredCharges", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_AmortizationOfFinancingCosts": { "auth_ref": [ "r72", "r111", "r440" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense attributable to debt issuance costs.", "label": "Amortization of Financing Costs", "terseLabel": "Amortization of deferred financing costs" } } }, "localname": "AmortizationOfFinancingCosts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsRepurchaseAgreementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AmortizationOfFinancingCostsAndDiscounts": { "auth_ref": [ "r111", "r440" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.", "label": "Amortization of Debt Discount (Premium)", "terseLabel": "Amortization of discounts and deferred financing costs on unsecured senior notes" } } }, "localname": "AmortizationOfFinancingCostsAndDiscounts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_AmortizationOfIntangibleAssets": { "auth_ref": [ "r111", "r270", "r277" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.", "label": "Amortization of Intangible Assets", "negatedLabel": "Amortization" } } }, "localname": "AmortizationOfIntangibleAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount": { "auth_ref": [ "r153" ], "lang": { "en-US": { "role": { "documentation": "Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.", "label": "Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount", "terseLabel": "Number of anti-dilutive common shares excluded from the calculation of diluted income per share" } } }, "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDilutiveAndAntidilutiveSecuritiesDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis": { "auth_ref": [ "r153" ], "lang": { "en-US": { "role": { "documentation": "Information by type of antidilutive security.", "label": "Antidilutive Securities [Axis]" } } }, "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDilutiveAndAntidilutiveSecuritiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AntidilutiveSecuritiesNameDomain": { "auth_ref": [ "r153" ], "lang": { "en-US": { "role": { "documentation": "Incremental common shares attributable to securities that were not included in diluted earnings per share (EPS) because to do so would increase EPS amounts or decrease loss per share amounts for the period presented.", "label": "Antidilutive Securities Name [Domain]", "terseLabel": "Antidilutive Securities, Name [Domain]" } } }, "localname": "AntidilutiveSecuritiesNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDilutiveAndAntidilutiveSecuritiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AreaOfRealEstateProperty": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Area of a real estate property.", "label": "Area of Real Estate Property", "terseLabel": "Area of property" } } }, "localname": "AreaOfRealEstateProperty", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "areaItemType" }, "us-gaap_Assets": { "auth_ref": [ "r176", "r487", "r522" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.", "label": "Assets", "terseLabel": "Assets", "totalLabel": "Total Assets" } } }, "localname": "Assets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesAssetsAndLiabilitiesOfConsolidatedCloDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Assets [Abstract]", "terseLabel": "Assets:" } } }, "localname": "AssetsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_AssetsFairValueDisclosure": { "auth_ref": [ "r412" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.", "label": "Assets, Fair Value Disclosure", "totalLabel": "Total Assets" } } }, "localname": "AssetsFairValueDisclosure", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsSoldUnderAgreementsToRepurchaseAxis": { "auth_ref": [ "r130" ], "lang": { "en-US": { "role": { "documentation": "Information by securities or other assets sold under repurchase agreements. Repurchase agreements are agreements under which the transferor (repo party) transfers a security to a transferee (repo counterparty or reverse party) in exchange for cash and concurrently agrees to reacquire that security at a future date for an amount equal to the cash exchanged plus a stipulated interest factor.", "label": "Securities or Other Assets Sold under Agreements to Repurchase [Axis]" } } }, "localname": "AssetsSoldUnderAgreementsToRepurchaseAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AssetsSoldUnderAgreementsToRepurchaseTypeDomain": { "auth_ref": [ "r130" ], "lang": { "en-US": { "role": { "documentation": "This is the type of such assets (for example, US Treasury Obligations, US Government agency obligations and loans, and so forth). This item may be presented as an element in the table that is disclosed when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under repurchase agreements exceed 10 percent of total assets, as of the most recent balance sheet date.", "label": "Assets Sold Under Agreements To Repurchase Type [Domain]", "terseLabel": "Assets Sold under Agreements to Repurchase, Type [Domain]" } } }, "localname": "AssetsSoldUnderAgreementsToRepurchaseTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax": { "auth_ref": [ "r215" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetailsCalc2": { "order": 1.0, "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax", "terseLabel": "Gross Unrealized Gains" } } }, "localname": "AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax": { "auth_ref": [ "r216" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetailsCalc2": { "order": 2.0, "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax", "negatedLabel": "Gross Unrealized Losses" } } }, "localname": "AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis": { "auth_ref": [ "r213", "r260" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails": { "order": 1.0, "parentTag": "stwd_AvailableForSaleSecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Available-for-sale Debt Securities, Amortized Cost Basis", "terseLabel": "Recorded Amortized Cost" } } }, "localname": "AvailableForSaleDebtSecuritiesAmortizedCostBasis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValueAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]", "terseLabel": "Estimated Fair Value" } } }, "localname": "AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValueAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AvailableForSaleSecuritiesDebtSecurities": { "auth_ref": [ "r211", "r214", "r260" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_AssetsFairValueDisclosure", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Available-for-sale Securities", "terseLabel": "Available-for-sale securities" } } }, "localname": "AvailableForSaleSecuritiesDebtSecurities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AvailableforsaleSecuritiesMember": { "auth_ref": [ "r229" ], "lang": { "en-US": { "role": { "documentation": "Investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Availableforsale Securities [Member]", "terseLabel": "Available-for-sale" } } }, "localname": "AvailableforsaleSecuritiesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AwardTypeAxis": { "auth_ref": [ "r329", "r340" ], "lang": { "en-US": { "role": { "documentation": "Information by type of award under share-based payment arrangement.", "label": "Award Type [Axis]" } } }, "localname": "AwardTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsEquityIncentivePlansDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BuildingsAndImprovementsGross": { "auth_ref": [ "r3", "r283" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails": { "order": 3.0, "parentTag": "us-gaap_RealEstateInvestmentPropertyAtCost", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.", "label": "Buildings and Improvements, Gross", "terseLabel": "Buildings and building improvements" } } }, "localname": "BuildingsAndImprovementsGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessAcquisitionAcquireeDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Identification of the acquiree in a material business combination (or series of individually immaterial business combinations), which may include the name or other type of identification of the acquiree.", "label": "Business Acquisition Acquiree [Domain]", "terseLabel": "Business Acquisition, Acquiree [Domain]" } } }, "localname": "BusinessAcquisitionAcquireeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_BusinessAcquisitionAxis": { "auth_ref": [ "r348", "r349" ], "lang": { "en-US": { "role": { "documentation": "Information by business combination or series of individually immaterial business combinations.", "label": "Business Acquisition [Axis]" } } }, "localname": "BusinessAcquisitionAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued": { "auth_ref": [ "r350" ], "lang": { "en-US": { "role": { "documentation": "Number of shares of equity interests issued or issuable to acquire entity.", "label": "Business Acquisition, Equity Interest Issued or Issuable, Number of Shares", "terseLabel": "Shares issued" } } }, "localname": "BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_BusinessAcquisitionLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Business Acquisition [Line Items]", "verboseLabel": "Acquisitions and Divestitures" } } }, "localname": "BusinessAcquisitionLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAcquisitionsAndDivestituresDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CarryingReportedAmountFairValueDisclosureMember": { "auth_ref": [ "r428", "r429" ], "lang": { "en-US": { "role": { "documentation": "Measured as reported on the statement of financial position (balance sheet).", "label": "Carrying Reported Amount Fair Value Disclosure [Member]", "terseLabel": "Carrying Value" } } }, "localname": "CarryingReportedAmountFairValueDisclosureMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialInstrumentsNotCarriedAtFairValueDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CashAndCashEquivalentsAtCarryingValue": { "auth_ref": [ "r2", "r21", "r113" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.", "label": "Cash and Cash Equivalents, at Carrying Value", "terseLabel": "Cash and cash equivalents", "verboseLabel": "Cash" } } }, "localname": "CashAndCashEquivalentsAtCarryingValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": { "auth_ref": [ "r104", "r113", "r118" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.", "label": "Cash Cash Equivalents And Restricted Cash At Carrying Value", "periodEndLabel": "Cash, cash equivalents and restricted cash, end of period", "periodStartLabel": "Cash, cash equivalents and restricted cash, beginning of period" } } }, "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect": { "auth_ref": [ "r104", "r435" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; excluding effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.", "label": "Cash, Cash Equivalents And Restricted Cash, Period Increase (Decrease)", "totalLabel": "Net (decrease) increase in cash, cash equivalents and restricted cash" } } }, "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashFlowsBetweenTransfereeAndTransferorProceedsFromNewTransfers": { "auth_ref": [ "r463" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Cash Flows between a transferor and a transferee attributable to newly transferred assets related to either a securitization, asset-backed financing arrangement, or similar transfer in which the transferor has continuing involvement with the transferred financial assets underlying the transaction (including, but not limited to, servicing, recourse, and restrictions on transferor's interests in the transferred financial assets).", "label": "Cash Flows Between Transferor and Transferee, Proceeds from New Transfers", "terseLabel": "Proceeds" } } }, "localname": "CashFlowsBetweenTransfereeAndTransferorProceedsFromNewTransfers", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ClassOfStockLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Class of Stock [Line Items]", "terseLabel": "Stockholders' Equity" } } }, "localname": "ClassOfStockLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ClassificationOfVariableInterestEntityDomain": { "auth_ref": [ "r367", "r371", "r373", "r376" ], "lang": { "en-US": { "role": { "documentation": "Categorization of Variable Interest Entities (VIE) for consolidation and (or) disclosure purposes, whether individually or in aggregate, by: (1) VIEs consolidated because the entity is the primary beneficiary, (2) VIEs not consolidated because the entity is not the primary beneficiary, and (3) VIEs or potential VIEs that are not consolidated because necessary information is not available. In general, a VIE is a corporation, partnership, trust, or any other legal structure used for business purposes that either (a) does not have equity investors with voting rights or (b) has equity investors that do not provide sufficient financial resources for the entity to support its activities. A VIE often holds financial assets, including loans or receivables, real estate or other property. A VIE may be essentially passive or it may engage in research and development or other activities on behalf of another company.", "label": "Classification Of Variable Interest Entity [Domain]", "terseLabel": "Variable Interest Entity, Classification [Domain]" } } }, "localname": "ClassificationOfVariableInterestEntityDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "domainItemType" }, "us-gaap_CollateralAxis": { "auth_ref": [ "r254" ], "lang": { "en-US": { "role": { "documentation": "Information by category of collateral or no collateral.", "label": "Collateral [Axis]" } } }, "localname": "CollateralAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CollateralDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Pledge or no pledge of specific property to serve as protection against default.", "label": "Collateral [Domain]", "terseLabel": "Collateral [Domain]" } } }, "localname": "CollateralDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CollateralPledgedMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Pledge of specific property to serve as protection against default.", "label": "Collateral Pledged [Member]", "terseLabel": "Collateral assets" } } }, "localname": "CollateralPledgedMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CollateralizedFinancings": { "auth_ref": [ "r129", "r465" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 6.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The value of the collateral (typically cash) that the entity receives in a financing transaction in exchange for securities lent. This item represents a liability in the financial statements of the lender of the securities.", "label": "Collateralized Financings", "terseLabel": "Carrying value", "verboseLabel": "Collateralized loan obligations, net" } } }, "localname": "CollateralizedFinancings", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_CollateralizedFinancingsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Collateralized Financings [Abstract]", "terseLabel": "Summary of CLO" } } }, "localname": "CollateralizedFinancingsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CollateralizedLoanObligationsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Securities collateralized by a pool of loans.", "label": "Collateralized Loan Obligations [Member]", "terseLabel": "Collateralized Loan Obligation" } } }, "localname": "CollateralizedLoanObligationsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesAssetsAndLiabilitiesOfConsolidatedCloDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "domainItemType" }, "us-gaap_CommercialLoanMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A loan, whether secured or unsecured, to a company for purposes such as seasonal working capital needs, inventory financing, equipment purchases and acquisitions.", "label": "Commercial Loan [Member]", "terseLabel": "Commercial Loans" } } }, "localname": "CommercialLoanMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CommercialMortgageBackedSecuritiesMember": { "auth_ref": [ "r218", "r322" ], "lang": { "en-US": { "role": { "documentation": "Securities collateralized by commercial real estate mortgage loans.", "label": "Commercial Mortgage Backed Securities [Member]", "terseLabel": "CMBS" } } }, "localname": "CommercialMortgageBackedSecuritiesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CommercialPortfolioSegmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Portfolio segment of the company's total financing receivables related to commercial receivables.", "label": "Commercial Portfolio Segment [Member]", "terseLabel": "Commercial Portfolio Segment" } } }, "localname": "CommercialPortfolioSegmentMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CommitmentsAndContingencies": { "auth_ref": [ "r31", "r290", "r499", "r529" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.", "label": "Commitments and Contingencies", "terseLabel": "Commitments and contingencies (Note 21)" } } }, "localname": "CommitmentsAndContingencies", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Commitments and Contingencies." } } }, "localname": "CommitmentsAndContingenciesDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": { "auth_ref": [ "r289", "r292" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for commitments and contingencies.", "label": "Commitments and Contingencies Disclosure [Text Block]", "terseLabel": "Commitments and Contingencies" } } }, "localname": "CommitmentsAndContingenciesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureCommitmentsAndContingencies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CommitmentsMember": { "auth_ref": [ "r13", "r288", "r491", "r519" ], "lang": { "en-US": { "role": { "documentation": "This element represents significant arrangements with third parties, which includes operating lease arrangements and arrangements in which the entity has agreed to expend funds to procure goods or services, or has agreed to commit resources to supply goods or services, and operating lease arrangements.", "label": "Commitments [Member]", "terseLabel": "Commitments" } } }, "localname": "CommitmentsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureCommitmentsAndContingenciesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CommonStockDividendsPerShareDeclared": { "auth_ref": [ "r316" ], "lang": { "en-US": { "role": { "documentation": "Aggregate dividends declared during the period for each share of common stock outstanding.", "label": "Common Stock, Dividends, Per Share, Declared", "terseLabel": "Dividends declared per common share", "verboseLabel": "Dividend declared (in dollars per share)" } } }, "localname": "CommonStockDividendsPerShareDeclared", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquityParenthetical" ], "xbrltype": "perShareItemType" }, "us-gaap_CommonStockMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Stock that is subordinate to all other stock of the issuer.", "label": "Common Stock [Member]", "terseLabel": "Common stock" } } }, "localname": "CommonStockMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "domainItemType" }, "us-gaap_CommonStockParOrStatedValuePerShare": { "auth_ref": [ "r15" ], "lang": { "en-US": { "role": { "documentation": "Face amount or stated value per share of common stock.", "label": "Common Stock, Par or Stated Value Per Share", "terseLabel": "Common stock, par value (in dollars per share)" } } }, "localname": "CommonStockParOrStatedValuePerShare", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "perShareItemType" }, "us-gaap_CommonStockSharesAuthorized": { "auth_ref": [ "r15" ], "lang": { "en-US": { "role": { "documentation": "The maximum number of common shares permitted to be issued by an entity's charter and bylaws.", "label": "Common Stock, Shares Authorized", "terseLabel": "Common stock, shares authorized" } } }, "localname": "CommonStockSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockSharesIssued": { "auth_ref": [ "r15" ], "lang": { "en-US": { "role": { "documentation": "Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.", "label": "Common Stock, Shares, Issued", "periodEndLabel": "Balance (in shares)", "periodStartLabel": "Balance (in shares)", "terseLabel": "Common stock, shares issued" } } }, "localname": "CommonStockSharesIssued", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockSharesOutstanding": { "auth_ref": [ "r15", "r308" ], "lang": { "en-US": { "role": { "documentation": "Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.", "label": "Common Stock, Shares, Outstanding", "terseLabel": "Common stock, shares outstanding" } } }, "localname": "CommonStockSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockValue": { "auth_ref": [ "r15" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.", "label": "Common Stock, Value, Issued", "terseLabel": "Common stock", "verboseLabel": "Common stock, $0.01 per share, 500,000,000 shares authorized, 291,573,083 issued and 284,467,522 outstanding as of June 30, 2020 and 287,380,891 issued and 282,200,751 outstanding as of December 31, 2019" } } }, "localname": "CommonStockValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_ComprehensiveIncomeNetOfTax": { "auth_ref": [ "r60", "r62", "r63" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncome": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.", "label": "Comprehensive Income (Loss), Net of Tax, Attributable to Parent", "totalLabel": "Comprehensive income attributable to Starwood Property Trust, Inc." } } }, "localname": "ComprehensiveIncomeNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_ComprehensiveIncomeNetOfTaxAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Accumulated Other Comprehensive Income" } } }, "localname": "ComprehensiveIncomeNetOfTaxAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest": { "auth_ref": [ "r60", "r62", "r356", "r357", "r380" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncome": { "order": 2.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.", "label": "Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest", "negatedLabel": "Less: Comprehensive income attributable to non-controlling interests" } } }, "localname": "ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest": { "auth_ref": [ "r60", "r62", "r355", "r380" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncome": { "order": 1.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.", "label": "Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest", "totalLabel": "Comprehensive income" } } }, "localname": "ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_ComprehensiveIncomeNoteTextBlock": { "auth_ref": [ "r83" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income.", "label": "Comprehensive Income (Loss) Note [Text Block]", "terseLabel": "Accumulated Other Comprehensive Income" } } }, "localname": "ComprehensiveIncomeNoteTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAccumulatedOtherComprehensiveIncome" ], "xbrltype": "textBlockItemType" }, "us-gaap_ConcentrationRiskPercentage1": { "auth_ref": [ "r164", "r165", "r430", "r431" ], "lang": { "en-US": { "role": { "documentation": "For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the \"benchmark\" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.", "label": "Concentration Risk, Percentage", "terseLabel": "Concentration risk (as a percent)" } } }, "localname": "ConcentrationRiskPercentage1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ConsolidationPolicyTextBlock": { "auth_ref": [ "r119", "r359", "r383", "r384" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary.", "label": "Consolidation, Policy [Policy Text Block]", "terseLabel": "Basis of Accounting and Principles of Consolidation" } } }, "localname": "ConsolidationPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ConsolidationVariableInterestEntityPolicy": { "auth_ref": [ "r119", "r366", "r368", "r372" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for consolidation to describe the significant judgments and assumptions made in determining whether a variable interest held by the entity requires the variable interest entity to be consolidated and (or) disclose information about its involvement with the variable interest entity; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; and the significant factors considered and judgments made in determining that the power to direct the activities that significantly impact the economic performance of the variable interest entity are shared (as defined).", "label": "Consolidation, Variable Interest Entity, Policy [Policy Text Block]", "terseLabel": "Variable Interest Entities" } } }, "localname": "ConsolidationVariableInterestEntityPolicy", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ConvertibleDebtTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of borrowings which can be exchanged for a specified number of another security at the option of the issuer or the holder. Disclosures include, but are not limited to, principal amount, amortized premium or discount, and amount of liability and equity components.", "label": "Convertible Debt [Table Text Block]", "terseLabel": "Schedule of unsecured convertible senior notes outstanding" } } }, "localname": "ConvertibleDebtTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ConvertibleNotesPayableMember": { "auth_ref": [ "r8", "r488", "r518", "r545" ], "lang": { "en-US": { "role": { "documentation": "Written promise to pay a note which can be exchanged for a specified quantity of securities (typically common stock), at the option of the issuer or the holder.", "label": "Convertible Notes Payable [Member]", "terseLabel": "Convertible Senior Notes" } } }, "localname": "ConvertibleNotesPayableMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails", "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotes", "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CorporateJointVentureMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Corporation owned and operated by a small group of ventures to accomplish a mutually beneficial venture or project.", "label": "Corporate Joint Venture [Member]", "terseLabel": "CMBS Venture Holdings" } } }, "localname": "CorporateJointVentureMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CorporateNonSegmentMember": { "auth_ref": [ "r184" ], "lang": { "en-US": { "role": { "documentation": "Corporate headquarters or functional department that may not earn revenues or may earn revenues that are only incidental to the activities of the entity and is not considered an operating segment.", "label": "Corporate Non Segment [Member]", "terseLabel": "Corporate" } } }, "localname": "CorporateNonSegmentMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CostsAndExpenses": { "auth_ref": [ "r75" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Total costs of sales and operating expenses for the period.", "label": "Costs and Expenses", "totalLabel": "Total costs and expenses" } } }, "localname": "CostsAndExpenses", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_CostsAndExpensesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Costs and Expenses [Abstract]", "terseLabel": "Costs and expenses:" } } }, "localname": "CostsAndExpensesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "stringItemType" }, "us-gaap_CreditFacilityAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by type of credit facility. Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing.", "label": "Credit Facility [Axis]" } } }, "localname": "CreditFacilityAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CreditFacilityDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Type of credit facility. Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing.", "label": "Credit Facility [Domain]", "terseLabel": "Credit Facility [Domain]" } } }, "localname": "CreditFacilityDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CreditIndexProductMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A credit derivative with an underlying related to an index based on the credit risk of a group of entities.", "label": "Credit Index Product [Member]", "terseLabel": "Credit spread instrument" } } }, "localname": "CreditIndexProductMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityEffectOnFinancialStatementsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityFairValueDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CreditLossFinancialInstrumentPolicyTextBlock": { "auth_ref": [ "r240", "r245", "r247", "r248", "r263" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for credit loss on financial instrument measured at amortized cost basis, net investment in lease, off-balance sheet credit exposure, and available-for-sale debt security. Includes, but is not limited to, methodology used to estimate allowance for credit loss, how writeoff of uncollectible amount is recognized, and determination of past due status and nonaccrual status.", "label": "Credit Loss, Financial Instrument [Policy Text Block]", "terseLabel": "Credit Losses" } } }, "localname": "CreditLossFinancialInstrumentPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.", "label": "Cumulative Effect of New Accounting Principle in Period of Adoption", "terseLabel": "Cumulative effect of credit loss accounting standard effective January 1, 2020" } } }, "localname": "CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtConversionConvertedInstrumentAmount1": { "auth_ref": [ "r115", "r117" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. \"Part noncash\" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.", "label": "Debt Conversion, Converted Instrument, Amount", "terseLabel": "Value of shares issued to settle redemption" } } }, "localname": "DebtConversionConvertedInstrumentAmount1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtDisclosureTextBlock": { "auth_ref": [ "r304" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.", "label": "Debt Disclosure [Text Block]", "terseLabel": "Unsecured Senior Notes", "verboseLabel": "Secured Borrowings" } } }, "localname": "DebtDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowings", "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotes" ], "xbrltype": "textBlockItemType" }, "us-gaap_DebtInstrumentAxis": { "auth_ref": [ "r8", "r10", "r11", "r488", "r490", "r518" ], "lang": { "en-US": { "role": { "documentation": "Information by type of debt instrument, including, but not limited to, draws against credit facilities.", "label": "Debt Instrument [Axis]" } } }, "localname": "DebtInstrumentAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesAssetsAndLiabilitiesOfConsolidatedCloDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentBasisSpreadOnVariableRate1": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Percentage points added to the reference rate to compute the variable rate on the debt instrument.", "label": "Debt Instrument, Basis Spread on Variable Rate", "terseLabel": "Pricing margin (as a percent)", "verboseLabel": "Spread (as a percent)" } } }, "localname": "DebtInstrumentBasisSpreadOnVariableRate1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DebtInstrumentCarryingAmount": { "auth_ref": [ "r11", "r297", "r490", "r518" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails": { "order": 1.0, "parentTag": "us-gaap_SecuredDebt", "weight": 1.0 }, "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails": { "order": 3.0, "parentTag": "us-gaap_LongTermDebt", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.", "label": "Long-term Debt, Gross", "terseLabel": "Debt obligations to beneficial interest holders, unpaid principal balances", "verboseLabel": "Principal Amount" } } }, "localname": "DebtInstrumentCarryingAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAcquisitionsAndDivestituresDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent": { "auth_ref": [ "r296" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.", "label": "Debt Instrument, Convertible, Carrying Amount of Equity Component", "terseLabel": "Carrying amount of conversion option equity components recorded in additional paid-in capital for outstanding convertible notes" } } }, "localname": "DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentConvertibleConversionPrice1": { "auth_ref": [ "r300" ], "lang": { "en-US": { "role": { "documentation": "The price per share of the conversion feature embedded in the debt instrument.", "label": "Debt Instrument, Convertible, Conversion Price", "terseLabel": "Conversion price (in dollars per share)" } } }, "localname": "DebtInstrumentConvertibleConversionPrice1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_DebtInstrumentConvertibleConversionRatio1": { "auth_ref": [ "r29", "r309", "r312", "r314" ], "lang": { "en-US": { "role": { "documentation": "Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.", "label": "Debt Instrument, Convertible, Conversion Ratio", "terseLabel": "Conversion Rate" } } }, "localname": "DebtInstrumentConvertibleConversionRatio1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "pureItemType" }, "us-gaap_DebtInstrumentConvertibleRemainingDiscountAmortizationPeriod1": { "auth_ref": [ "r299" ], "lang": { "en-US": { "role": { "documentation": "Remaining amortization period for discount on the liability component of convertible debt which may be settled in cash upon conversion, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Debt Instrument, Convertible, Remaining Discount Amortization Period", "terseLabel": "Remaining Period of Amortization" } } }, "localname": "DebtInstrumentConvertibleRemainingDiscountAmortizationPeriod1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "durationItemType" }, "us-gaap_DebtInstrumentFaceAmount": { "auth_ref": [ "r439", "r442" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Face (par) amount of debt instrument at time of issuance.", "label": "Debt Instrument, Face Amount", "terseLabel": "Amount issued", "verboseLabel": "Principal amount of notes" } } }, "localname": "DebtInstrumentFaceAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAcquisitionsAndDivestituresDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentInterestRateEffectivePercentage": { "auth_ref": [ "r28", "r301", "r439" ], "lang": { "en-US": { "role": { "documentation": "Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.", "label": "Debt Instrument, Interest Rate, Effective Percentage", "verboseLabel": "Effective Rate (as a percent)" } } }, "localname": "DebtInstrumentInterestRateEffectivePercentage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DebtInstrumentInterestRateStatedPercentage": { "auth_ref": [ "r28" ], "lang": { "en-US": { "role": { "documentation": "Contractual interest rate for funds borrowed, under the debt agreement.", "label": "Debt Instrument, Interest Rate, Stated Percentage", "terseLabel": "Interest rate (as a percent)", "verboseLabel": "Coupon Rate (as a percent)" } } }, "localname": "DebtInstrumentInterestRateStatedPercentage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAcquisitionsAndDivestituresDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DebtInstrumentLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Debt Instrument [Line Items]", "terseLabel": "Secured Borrowings", "verboseLabel": "Unsecured Senior Notes" } } }, "localname": "DebtInstrumentLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowings", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsRepurchaseAgreementsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotes", "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentNameDomain": { "auth_ref": [ "r30" ], "lang": { "en-US": { "role": { "documentation": "The name for the particular debt instrument or borrowing that distinguishes it from other debt instruments or borrowings, including draws against credit facilities.", "label": "Debt Instrument Name [Domain]", "terseLabel": "Debt Instrument, Name [Domain]" } } }, "localname": "DebtInstrumentNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesAssetsAndLiabilitiesOfConsolidatedCloDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtInstrumentRepurchaseAmount": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value amount of debt instrument that was repurchased.", "label": "Debt Instrument, Repurchase Amount", "terseLabel": "Debt repurchased amount" } } }, "localname": "DebtInstrumentRepurchaseAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentTable": { "auth_ref": [ "r30", "r125", "r309", "r313", "r314", "r315", "r438", "r439", "r442", "r517" ], "lang": { "en-US": { "role": { "documentation": "A table or schedule providing information pertaining to long-term debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.", "label": "Schedule of Long-term Debt Instruments [Table]" } } }, "localname": "DebtInstrumentTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowings", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsRepurchaseAgreementsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotes", "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentTerm": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Debt Instrument, Term", "terseLabel": "Maturity period" } } }, "localname": "DebtInstrumentTerm", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAcquisitionsAndDivestituresDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "durationItemType" }, "us-gaap_DebtInstrumentUnamortizedDiscount": { "auth_ref": [ "r438", "r442" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails": { "order": 2.0, "parentTag": "us-gaap_LongTermDebt", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after accumulated amortization, of debt discount.", "label": "Debt Instrument, Unamortized Discount", "negatedTerseLabel": "Unamortized discount" } } }, "localname": "DebtInstrumentUnamortizedDiscount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet": { "auth_ref": [ "r438", "r439", "r440", "r441", "r442" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails": { "order": 2.0, "parentTag": "us-gaap_SecuredDebt", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after accumulated amortization, of debt discount (premium).", "label": "Debt Instrument, Unamortized Discount (Premium), Net", "negatedLabel": "Unamortized net discount" } } }, "localname": "DebtInstrumentUnamortizedDiscountPremiumNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetailsCalc2": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, before tax, of unrealized gain (loss) in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain (Loss), before Tax", "terseLabel": "Net Fair Value Adjustment" } } }, "localname": "DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger": { "auth_ref": [ "r227", "r262", "r265" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.", "label": "Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer", "terseLabel": "Securities with a loss greater than 12 months" } } }, "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss": { "auth_ref": [ "r227", "r262" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.", "label": "Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss", "negatedLabel": "Securities with a loss greater than 12 months" } } }, "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months": { "auth_ref": [ "r227", "r262", "r265" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.", "label": "Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months", "terseLabel": "Securities with a loss less than 12 months" } } }, "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss": { "auth_ref": [ "r227", "r262" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.", "label": "Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss", "negatedLabel": "Securities with a loss less than 12 months" } } }, "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleMeasurementInput": { "auth_ref": [ "r417" ], "lang": { "en-US": { "role": { "documentation": "Value of input used to measure investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Debt Securities, Available-for-sale, Measurement Input", "terseLabel": "Available-for-sale securities, measurement input" } } }, "localname": "DebtSecuritiesAvailableForSaleMeasurementInput", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "decimalItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleTable": { "auth_ref": [ "r230" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Debt Securities, Available-for-sale [Table]" } } }, "localname": "DebtSecuritiesAvailableForSaleTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleTableTextBlock": { "auth_ref": [ "r230" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Debt Securities, Available-for-sale [Table Text Block]", "terseLabel": "Summary of investments in available-for-sale RMBS" } } }, "localname": "DebtSecuritiesAvailableForSaleTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleTerm": { "auth_ref": [ "r417" ], "lang": { "en-US": { "role": { "documentation": "Period between issuance and maturity of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Debt Securities, Available-for-sale, Term", "terseLabel": "Available-for-sale debt securities, term" } } }, "localname": "DebtSecuritiesAvailableForSaleTerm", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "durationItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleValuationTechniqueExtensibleList": { "auth_ref": [ "r416" ], "lang": { "en-US": { "role": { "documentation": "Indicates valuation technique for measuring investment in debt security at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Debt Securities, Available-for-sale, Valuation Technique [Extensible List]" } } }, "localname": "DebtSecuritiesAvailableForSaleValuationTechniqueExtensibleList", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "extensibleListItemType" }, "us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLoss": { "auth_ref": [ "r221", "r238", "r241", "r243" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of allowance for credit loss for debt security measured at amortized cost (held-to-maturity).", "label": "Debt Securities, Held-to-maturity, Allowance for Credit Loss", "negatedLabel": "Credit Loss Allowance", "periodEndLabel": "Credit loss allowance at ending", "periodStartLabel": "Credit loss allowance at beginning", "terseLabel": "Credit Loss Allowance" } } }, "localname": "DebtSecuritiesHeldToMaturityAllowanceForCreditLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease": { "auth_ref": [ "r242" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in allowance for credit loss on investment in debt security measured at amortized cost (held-to-maturity) and beneficial interest, purchased with credit deterioration.", "label": "Debt Securities, Held-to-maturity, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase", "terseLabel": "Credit loss provision, net" } } }, "localname": "DebtSecuritiesHeldToMaturityAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]", "terseLabel": "Activity in credit loss allowance for HTM debt securities" } } }, "localname": "DebtSecuritiesHeldToMaturityAllowanceForCreditLossRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossTableTextBlock": { "auth_ref": [ "r244" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of allowance for credit loss on investment in debt security measured at amortized cost (held-to-maturity).", "label": "Debt Securities, Held-to-maturity, Allowance for Credit Loss [Table Text Block]", "terseLabel": "Summary of activity in credit loss allowance for HTM debt securities" } } }, "localname": "DebtSecuritiesHeldToMaturityAllowanceForCreditLossTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_DebtSecuritiesMember": { "auth_ref": [ "r230" ], "lang": { "en-US": { "role": { "documentation": "Debt instrument issued by corporations, governments and governmental agencies, municipalities, and other institutions.", "label": "Debt Securities [Member]", "terseLabel": "Available-for-sale debt securities" } } }, "localname": "DebtSecuritiesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtWeightedAverageInterestRate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Weighted average interest rate of debt outstanding.", "label": "Debt, Weighted Average Interest Rate", "terseLabel": "Fixed weighted average interest" } } }, "localname": "DebtWeightedAverageInterestRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DeferredFinanceCostsNet": { "auth_ref": [ "r25", "r440" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails": { "order": 1.0, "parentTag": "us-gaap_LongTermDebt", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.", "label": "Deferred Finance Costs, Net", "negatedLabel": "Unamortized deferred financing costs", "terseLabel": "Deferred financing costs, net of amortization" } } }, "localname": "DeferredFinanceCostsNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredFinanceCostsNoncurrentGross": { "auth_ref": [ "r25", "r440" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails": { "order": 3.0, "parentTag": "us-gaap_SecuredDebt", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, before accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.", "label": "Debt Issuance Cost, Gross, Noncurrent", "negatedLabel": "Unamortized deferred financing costs" } } }, "localname": "DeferredFinanceCostsNoncurrentGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DepreciationAndAmortization": { "auth_ref": [ "r111", "r282" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 6.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.", "label": "Depreciation, Depletion and Amortization, Nonproduction", "terseLabel": "Depreciation and amortization" } } }, "localname": "DepreciationAndAmortization", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeAssetMeasurementInput": { "auth_ref": [ "r417" ], "lang": { "en-US": { "role": { "documentation": "Value of input used to measure derivative asset.", "label": "Derivative Asset, Measurement Input", "terseLabel": "VIE assets, measurement input" } } }, "localname": "DerivativeAssetMeasurementInput", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "decimalItemType" }, "us-gaap_DerivativeAssetValuationTechniqueExtensibleList": { "auth_ref": [ "r416" ], "lang": { "en-US": { "role": { "documentation": "Indicates valuation technique for measuring derivative asset.", "label": "Derivative Asset, Valuation Technique [Extensible List]" } } }, "localname": "DerivativeAssetValuationTechniqueExtensibleList", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "extensibleListItemType" }, "us-gaap_DerivativeAssets": { "auth_ref": [ "r42", "r45", "r427" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails": { "order": 5.0, "parentTag": "us-gaap_AssetsFairValueDisclosure", "weight": 1.0 }, "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral", "weight": 1.0 }, "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 10.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.", "label": "Derivative Asset", "terseLabel": "Derivative assets", "totalLabel": "Net Amounts of Assets Presented in the Statement of Financial Position", "verboseLabel": "Fair Value of Derivatives in an Asset Position" } } }, "localname": "DerivativeAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityFairValueDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeCollateralObligationToReturnCash": { "auth_ref": [ "r43", "r46", "r407" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails": { "order": 3.0, "parentTag": "us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets.", "label": "Derivative, Collateral, Obligation to Return Cash", "terseLabel": "Cash Collateral Received" } } }, "localname": "DerivativeCollateralObligationToReturnCash", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeCollateralObligationToReturnSecurities": { "auth_ref": [ "r43", "r46" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of obligation to return securities collateral under master netting arrangements that have not been offset against derivative assets.", "label": "Derivative, Collateral, Obligation to Return Securities", "terseLabel": "Financial Instruments" } } }, "localname": "DerivativeCollateralObligationToReturnSecurities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeContractTypeDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Financial instrument or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.", "label": "Derivative Contract Type [Domain]", "terseLabel": "Derivative Contract [Domain]" } } }, "localname": "DerivativeContractTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityEffectOnFinancialStatementsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityFairValueDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DerivativeFairValueOfDerivativeAsset": { "auth_ref": [ "r41", "r47", "r396", "r464" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_DerivativeAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.", "label": "Derivative Asset, Fair Value, Gross Asset", "verboseLabel": "Gross Amounts of Recognized Assets" } } }, "localname": "DerivativeFairValueOfDerivativeAsset", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral": { "auth_ref": [ "r44", "r46", "r406" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value, after effects of master netting arrangements, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset offset against an obligation to return collateral. Includes assets not subject to a master netting arrangement and not elected to be offset.", "label": "Derivative Asset, Fair Value, Amount Offset Against Collateral", "totalLabel": "Net Amount" } } }, "localname": "DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral": { "auth_ref": [ "r44", "r46", "r406" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Fair value, after effects of master netting arrangements, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset offset against the right to receive collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset.", "label": "Derivative Liability, Fair Value, Amount Offset Against Collateral", "totalLabel": "Net Amount" } } }, "localname": "DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeInstrumentRiskAxis": { "auth_ref": [ "r395", "r397", "r400", "r402" ], "lang": { "en-US": { "role": { "documentation": "Information by type of derivative contract.", "label": "Derivative Instrument [Axis]" } } }, "localname": "DerivativeInstrumentRiskAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityEffectOnFinancialStatementsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityFairValueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Derivatives and Hedging Activity" } } }, "localname": "DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock": { "auth_ref": [ "r411" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts.", "label": "Derivative Instruments and Hedging Activities Disclosure [Text Block]", "terseLabel": "Derivatives and Hedging Activity" } } }, "localname": "DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivity" ], "xbrltype": "textBlockItemType" }, "us-gaap_DerivativeLiabilities": { "auth_ref": [ "r42", "r45", "r427" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_LiabilitiesFairValueDisclosure", "weight": 1.0 }, "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.", "label": "Derivative Liability", "terseLabel": "Derivative liabilities", "verboseLabel": "Fair Value of Derivatives in a Liability Position" } } }, "localname": "DerivativeLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityFairValueDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeLiabilityMeasurementInput": { "auth_ref": [ "r417" ], "lang": { "en-US": { "role": { "documentation": "Value of input used to measure derivative liability.", "label": "Derivative Liability, Measurement Input", "terseLabel": "VIE liabilities, measurement input" } } }, "localname": "DerivativeLiabilityMeasurementInput", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "decimalItemType" }, "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned": { "auth_ref": [ "r42", "r45" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after the effects of master netting arrangements, of derivative liabilities, securities sold under agreements to repurchase and securities loaned. Includes liabilities not subject to a master netting arrangement and not elected to be offset.", "label": "Derivative Liability, Securities Sold under Agreements to Resell, Securities Loaned", "totalLabel": "Net Amounts of Liabilities Presented in the Statement of Financial Position" } } }, "localname": "DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimCash": { "auth_ref": [ "r43", "r46" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails": { "order": 3.0, "parentTag": "us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities, securities sold under agreements to repurchase and securities loaned.", "label": "Derivative Liability, Securities Sold under Agreements to Resell, Securities Loaned, Collateral, Right to Reclaim Cash", "terseLabel": "Cash Collateral Pledged" } } }, "localname": "DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimCash", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities": { "auth_ref": [ "r43", "r46" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of right to receive securities collateral under master netting arrangements that have not been offset against derivative liabilities, securities sold under agreements to repurchase and securities loaned.", "label": "Derivative Liability, Securities Sold under Agreements to Resell, Securities Loaned, Collateral, Right to Reclaim Securities", "terseLabel": "Financial Instruments" } } }, "localname": "DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross": { "auth_ref": [ "r41", "r47" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, before effects of master netting arrangements, of derivative liabilities, securities sold under agreements to repurchase and securities loaned. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.", "label": "Derivative Liability, Securities Sold under Agreements to Resell, Securities Loaned, Gross", "terseLabel": "Gross Amounts of Recognized Liabilities" } } }, "localname": "DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeLiabilityValuationTechniqueExtensibleList": { "auth_ref": [ "r416" ], "lang": { "en-US": { "role": { "documentation": "Indicates valuation technique for measuring derivative liability.", "label": "Derivative Liability, Valuation Technique [Extensible List]" } } }, "localname": "DerivativeLiabilityValuationTechniqueExtensibleList", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "extensibleListItemType" }, "us-gaap_DerivativeLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Derivative [Line Items]", "terseLabel": "Derivatives" } } }, "localname": "DerivativeLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityEffectOnFinancialStatementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DerivativeMember": { "auth_ref": [ "r387" ], "lang": { "en-US": { "role": { "documentation": "This element represents types of derivative financial instruments which are financial instruments or other contractual arrangements with all three of the following characteristics: (a) it has (1) one or more underlyings and (2) one or more notional amounts or payment provisions or both. Those terms determine the amount of the settlement or settlements, and, in some cases, whether or not a settlement is required; (b) it requires no initial net investment or an initial net investment that is smaller than would be required for other types of contracts that would be expected to have a similar response to changes in market factors; and (c) its terms require or permit net settlement, it can readily be settled net by a means outside the contract, or it provides for delivery of an asset that puts the recipient in a position not substantially different from net settlement. Notwithstanding the above characteristics, loan commitments that relate to the origination of mortgage loans that will be held for sale are accounted for as derivative instruments by the issuer of the loan commitment (that is, the potential lender).", "label": "Derivative [Member]", "terseLabel": "Derivatives" } } }, "localname": "DerivativeMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DerivativeNotionalAmount": { "auth_ref": [ "r389", "r391" ], "lang": { "en-US": { "role": { "documentation": "Nominal or face amount used to calculate payment on derivative.", "label": "Derivative, Notional Amount", "terseLabel": "Aggregate notional amount" } } }, "localname": "DerivativeNotionalAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeNumberOfInstrumentsHeld": { "auth_ref": [ "r389", "r391" ], "lang": { "en-US": { "role": { "documentation": "The number of derivative instruments of a particular group held by the entity.", "label": "Derivative, Number of Instruments Held", "terseLabel": "Number of contracts" } } }, "localname": "DerivativeNumberOfInstrumentsHeld", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails" ], "xbrltype": "integerItemType" }, "us-gaap_DerivativeTable": { "auth_ref": [ "r131", "r388", "r390", "r391", "r392", "r393", "r398", "r400", "r405", "r408", "r410" ], "lang": { "en-US": { "role": { "documentation": "Schedule that describes and identifies a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item.", "label": "Derivative [Table]" } } }, "localname": "DerivativeTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityEffectOnFinancialStatementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DerivativeTermOfContract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Derivative, Term of Contract", "terseLabel": "VIE duration (in years)" } } }, "localname": "DerivativeTermOfContract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "durationItemType" }, "us-gaap_DerivativesFairValueLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Derivatives, Fair Value [Line Items]", "terseLabel": "Fair value of derivative instruments" } } }, "localname": "DerivativesFairValueLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityFairValueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DilutiveSecurities": { "auth_ref": [ "r154" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) to net income used for calculating diluted earnings per share (EPS), resulting from the assumed exercise stock options, restrictive stock units (RSUs), convertible preferred stock of an employee stock ownership plan (ESOP), and other dilutive convertible securities.", "label": "Dilutive Securities, Effect on Basic Earnings Per Share", "terseLabel": "Add: Undistributed earnings to participating shares" } } }, "localname": "DilutiveSecurities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment": { "auth_ref": [ "r77" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 5.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of expense incurred and directly related to generating revenue from leased and rented property or equipment.", "label": "Direct Costs of Leased and Rented Property or Equipment", "terseLabel": "Costs of rental operations" } } }, "localname": "DirectCostsOfLeasedAndRentedPropertyOrEquipment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_DividendsCommonStock": { "auth_ref": [ "r316", "r516" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).", "label": "Dividends, Common Stock", "negatedTerseLabel": "Dividends declared" } } }, "localname": "DividendsCommonStock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_DividendsDeclaredTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of information related to dividends declared, including paid and unpaid dividends.", "label": "Dividends Declared [Table Text Block]", "terseLabel": "Schedule of dividends declared by board of directors" } } }, "localname": "DividendsDeclaredTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_DividendsPayableCurrentAndNoncurrent": { "auth_ref": [ "r10", "r12", "r489", "r523" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.", "label": "Dividends Payable", "terseLabel": "Dividends payable" } } }, "localname": "DividendsPayableCurrentAndNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_DueToRelatedPartiesCurrentAndNoncurrent": { "auth_ref": [ "r128", "r449", "r498", "r533" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying amount as of the balance sheet date of obligations due all related parties.", "label": "Due to Related Parties", "terseLabel": "Related-party payable" } } }, "localname": "DueToRelatedPartiesCurrentAndNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_EarningsPerShareAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Earnings per Share" } } }, "localname": "EarningsPerShareAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareBasic": { "auth_ref": [ "r71", "r135", "r143", "r149", "r151", "r152", "r156", "r508", "r536" ], "lang": { "en-US": { "role": { "documentation": "The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.", "label": "Earnings Per Share, Basic", "verboseLabel": "Basic (in dollars per share)" } } }, "localname": "EarningsPerShareBasic", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerShareBasicAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Earnings Per Share, Basic [Abstract]", "terseLabel": "Basic:" } } }, "localname": "EarningsPerShareBasicAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareBasicAndDilutedAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Earnings Per Share, Basic and Diluted [Abstract]", "terseLabel": "Earnings per share data attributable to Starwood Property Trust, Inc.:" } } }, "localname": "EarningsPerShareBasicAndDilutedAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareDiluted": { "auth_ref": [ "r71", "r135", "r143", "r149", "r151", "r152", "r156", "r508", "r536" ], "lang": { "en-US": { "role": { "documentation": "The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.", "label": "Earnings Per Share, Diluted", "verboseLabel": "Diluted (in dollars per share)" } } }, "localname": "EarningsPerShareDiluted", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerShareDilutedAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Earnings Per Share, Diluted [Abstract]", "terseLabel": "Diluted:" } } }, "localname": "EarningsPerShareDilutedAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareDilutedLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]", "terseLabel": "Antidilutive securities and effect of dilutive securities" } } }, "localname": "EarningsPerShareDilutedLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDilutiveAndAntidilutiveSecuritiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EarningsPerSharePolicyTextBlock": { "auth_ref": [ "r119", "r153", "r154", "r155" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security. Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements.", "label": "Earnings Per Share, Policy [Policy Text Block]", "terseLabel": "Earnings Per Share" } } }, "localname": "EarningsPerSharePolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_EarningsPerShareTextBlock": { "auth_ref": [ "r157" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for earnings per share.", "label": "Earnings Per Share [Text Block]", "terseLabel": "Earnings per Share" } } }, "localname": "EarningsPerShareTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShare" ], "xbrltype": "textBlockItemType" }, "us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": { "auth_ref": [ "r435" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) from effect of exchange rate changes on cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; held in foreign currencies. Excludes amounts for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.", "label": "Effect of Exchange Rate on Cash and Cash Equivalents, Continuing Operations", "terseLabel": "Effect of exchange rate changes on cash" } } }, "localname": "EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_EffectiveIncomeTaxRateContinuingOperations": { "auth_ref": [ "r127", "r343", "r344" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "lang": { "en-US": { "role": { "documentation": "Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.", "label": "Effective Income Tax Rate Reconciliation, Percent", "totalLabel": "Effective tax rate (as a percent)" } } }, "localname": "EffectiveIncomeTaxRateContinuingOperations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Effective Income Tax Rate Reconciliation, Percent [Abstract]", "terseLabel": "Reconciliation of statutory tax rate to effective tax rate" } } }, "localname": "EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate": { "auth_ref": [ "r343", "r344", "r345" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails": { "order": 1.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Percentage of domestic federal statutory tax rate applicable to pretax income (loss).", "label": "Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent", "verboseLabel": "Federal statutory tax rate (as a percent)" } } }, "localname": "EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationDeductions": { "auth_ref": [ "r343", "r344", "r345" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails": { "order": 6.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": -1.0 } }, "lang": { "en-US": { "role": { "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deductions. Including, but not limited to, extraterritorial income exclusion deduction, qualified production activity deduction, dividend deduction, deduction for dividend paid to employee stock ownership plan, Medicare prescription drug benefit subsidy deduction, and other deductions.", "label": "Effective Income Tax Rate Reconciliation, Deduction, Percent", "negatedLabel": "Federal benefit of state tax deduction (as a percent)" } } }, "localname": "EffectiveIncomeTaxRateReconciliationDeductions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments": { "auth_ref": [ "r343", "r344", "r345" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails": { "order": 7.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.", "label": "Effective Income Tax Rate Reconciliation, Other Adjustments, Percent", "terseLabel": "Other (as a percent)" } } }, "localname": "EffectiveIncomeTaxRateReconciliationOtherAdjustments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes": { "auth_ref": [ "r343", "r344", "r345" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails": { "order": 5.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).", "label": "Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent", "verboseLabel": "State income taxes (as a percent)" } } }, "localname": "EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome": { "auth_ref": [ "r343", "r344", "r345" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails": { "order": 4.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": -1.0 } }, "lang": { "en-US": { "role": { "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income (loss) exempt from income taxes.", "label": "Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent", "negatedLabel": "REIT and other non-taxable income (as a percent)" } } }, "localname": "EffectiveIncomeTaxRateReconciliationTaxExemptIncome", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EquityComponentDomain": { "auth_ref": [ "r308" ], "lang": { "en-US": { "role": { "documentation": "Components of equity are the parts of the total Equity balance including that which is allocated to common, preferred, treasury stock, retained earnings, etc.", "label": "Equity Component [Domain]", "terseLabel": "Equity Component [Domain]" } } }, "localname": "EquityComponentDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAccumulatedOtherComprehensiveIncomeChangesInAociDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "domainItemType" }, "us-gaap_EquityInterestIssuedOrIssuableByTypeAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by type of equity interests that are issued or issuable in a business combination.", "label": "Equity Interest Type [Axis]" } } }, "localname": "EquityInterestIssuedOrIssuableByTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDilutiveAndAntidilutiveSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EquityInterestIssuedOrIssuableTypeDomain": { "auth_ref": [ "r350" ], "lang": { "en-US": { "role": { "documentation": "Name of equity interest issued or issuable to acquire an entity in a business combination.", "label": "Equity Interest Issued Or Issuable Type [Domain]", "terseLabel": "Equity Interest Issued or Issuable, Type [Domain]" } } }, "localname": "EquityInterestIssuedOrIssuableTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDilutiveAndAntidilutiveSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity": { "auth_ref": [ "r235" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee.", "label": "Equity Method Investment, Difference Between Carrying Amount and Underlying Equity", "terseLabel": "Carrying value over (under) equity in net assets" } } }, "localname": "EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquityMethodInvestmentDividendsOrDistributions": { "auth_ref": [ "r69", "r103", "r111", "r534" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 19.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.", "label": "Proceeds from Equity Method Investment, Dividends or Distributions", "terseLabel": "Distributions of earnings from unconsolidated entities" } } }, "localname": "EquityMethodInvestmentDividendsOrDistributions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquityMethodInvestmentOwnershipPercentage": { "auth_ref": [ "r234" ], "lang": { "en-US": { "role": { "documentation": "The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.", "label": "Equity Method Investment, Ownership Percentage", "terseLabel": "Equity method, Participation / Ownership %", "verboseLabel": "Equity interest" } } }, "localname": "EquityMethodInvestmentOwnershipPercentage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EquityMethodInvestments": { "auth_ref": [ "r22", "r177", "r233" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails": { "order": 1.0, "parentTag": "us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.", "label": "Equity Method Investments", "terseLabel": "Equity method, Carrying value" } } }, "localname": "EquityMethodInvestments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Investment in Unconsolidated Entities" } } }, "localname": "EquityMethodInvestmentsAndJointVenturesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_EquityMethodInvestmentsDisclosureTextBlock": { "auth_ref": [ "r236", "r385" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for equity method investments and joint ventures. Equity method investments are investments that give the investor the ability to exercise significant influence over the operating and financial policies of an investee. Joint ventures are entities owned and operated by a small group of businesses as a separate and specific business or project for the mutual benefit of the members of the group.", "label": "Equity Method Investments and Joint Ventures Disclosure [Text Block]", "terseLabel": "Investment in Unconsolidated Entities" } } }, "localname": "EquityMethodInvestmentsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntities" ], "xbrltype": "textBlockItemType" }, "us-gaap_EquitySecuritiesFvNiRealizedGainLoss": { "auth_ref": [ "r232" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).", "label": "Gain (Loss) on Sale of Equity Investments", "terseLabel": "Gain on sale of equity method investments" } } }, "localname": "EquitySecuritiesFvNiRealizedGainLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquitySecuritiesMember": { "auth_ref": [ "r6", "r9", "r230", "r494", "r520", "r554" ], "lang": { "en-US": { "role": { "documentation": "Ownership interest or right to acquire or dispose of ownership interest in corporations and other legal entities for which ownership interest is represented by shares of common or preferred stock, convertible securities, stock rights, or stock warrants.", "label": "Equity Securities [Member]", "terseLabel": "Equity security" } } }, "localname": "EquitySecuritiesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount": { "auth_ref": [ "r231" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails": { "order": 2.0, "parentTag": "us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in equity security without readily determinable fair value.", "label": "Equity Securities without Readily Determinable Fair Value, Amount", "positiveLabel": "Fair value of the investment" } } }, "localname": "EquitySecuritiesWithoutReadilyDeterminableFairValueAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesSerefDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]", "terseLabel": "Assets and liabilities measured at fair value" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable": { "auth_ref": [ "r412", "r413", "r414", "r423" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about asset and liability measured at fair value on recurring and nonrecurring basis.", "label": "Fair Value Measurements, Recurring and Nonrecurring [Table]" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Fair Value Inputs, Assets, Quantitative Information [Line Items]", "terseLabel": "Quantitative information for Level 3 Fair Value Measurements for assets and liabilities measured at fair value on recurring basis" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable": { "auth_ref": [ "r415" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis.", "label": "Fair Value Inputs, Assets, Quantitative Information [Table]" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]", "terseLabel": "Changes in financial assets classified as Level III" } } }, "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]", "terseLabel": "Fair Value Measurement Using Significant Unobservable Inputs (Level III)" } } }, "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable": { "auth_ref": [ "r418", "r423" ], "lang": { "en-US": { "role": { "documentation": "Schedule of information required and determined to be provided for purposes of reconciling beginning and ending balances of fair value measurements of assets using significant unobservable inputs (level 3). Such reconciliation, separately presenting changes during the period, at a minimum, may include, but is not limited to: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income, and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.", "label": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]" } } }, "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]", "terseLabel": "Fair value of financial instruments not carried at fair value" } } }, "localname": "FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialInstrumentsNotCarriedAtFairValueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByBalanceSheetGroupingTable": { "auth_ref": [ "r412", "r428", "r429" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.", "label": "Fair Value, by Balance Sheet Grouping [Table]" } } }, "localname": "FairValueByBalanceSheetGroupingTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialInstrumentsNotCarriedAtFairValueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByBalanceSheetGroupingTextBlock": { "auth_ref": [ "r412", "r428" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.", "label": "Fair Value, by Balance Sheet Grouping [Table Text Block]", "terseLabel": "Schedule of fair value of financial instruments not carried at fair value" } } }, "localname": "FairValueByBalanceSheetGroupingTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_FairValueByFairValueHierarchyLevelAxis": { "auth_ref": [ "r322", "r323", "r325", "r413", "r459" ], "lang": { "en-US": { "role": { "documentation": "Information by level within fair value hierarchy and fair value measured at net asset value per share as practical expedient.", "label": "Fair Value, Hierarchy [Axis]" } } }, "localname": "FairValueByFairValueHierarchyLevelAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByLiabilityClassAxis": { "auth_ref": [ "r422", "r423" ], "lang": { "en-US": { "role": { "documentation": "Information by class of liability.", "label": "Liability Class [Axis]" } } }, "localname": "FairValueByLiabilityClassAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureCommitmentsAndContingenciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByMeasurementBasisAxis": { "auth_ref": [ "r412", "r424" ], "lang": { "en-US": { "role": { "documentation": "Information by measurement basis.", "label": "Measurement Basis [Axis]" } } }, "localname": "FairValueByMeasurementBasisAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialInstrumentsNotCarriedAtFairValueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByMeasurementFrequencyAxis": { "auth_ref": [ "r412", "r413", "r416", "r417", "r425" ], "lang": { "en-US": { "role": { "documentation": "Information by measurement frequency.", "label": "Measurement Frequency [Axis]" } } }, "localname": "FairValueByMeasurementFrequencyAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueDisclosuresAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Fair Value" } } }, "localname": "FairValueDisclosuresAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_FairValueInputsLevel1Member": { "auth_ref": [ "r322", "r323", "r325", "r413", "r460" ], "lang": { "en-US": { "role": { "documentation": "Quoted prices in active markets for identical assets or liabilities that the reporting entity can access at the measurement date.", "label": "Fair Value Inputs Level1 [Member]", "terseLabel": "Level I" } } }, "localname": "FairValueInputsLevel1Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueInputsLevel2Member": { "auth_ref": [ "r322", "r323", "r325", "r413", "r461" ], "lang": { "en-US": { "role": { "documentation": "Inputs other than quoted prices included within level 1 that are observable for an asset or liability, either directly or indirectly, including, but not limited to, quoted prices for similar assets or liabilities in active markets, or quoted prices for identical or similar assets or liabilities in inactive markets.", "label": "Fair Value Inputs Level2 [Member]", "terseLabel": "Level II" } } }, "localname": "FairValueInputsLevel2Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueInputsLevel3Member": { "auth_ref": [ "r322", "r323", "r325", "r413", "r462" ], "lang": { "en-US": { "role": { "documentation": "Unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.", "label": "Fair Value Inputs Level3 [Member]", "terseLabel": "Level III" } } }, "localname": "FairValueInputsLevel3Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain": { "auth_ref": [ "r418" ], "lang": { "en-US": { "role": { "documentation": "Represents classes of liabilities measured and disclosed at fair value.", "label": "Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation By Liability Class [Domain]", "terseLabel": "Fair Value by Liability Class [Domain]" } } }, "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureCommitmentsAndContingenciesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueMeasurementFrequencyDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Measurement frequency.", "label": "Fair Value Measurement Frequency [Domain]", "terseLabel": "Fair Value, Measurement Frequency [Domain]" } } }, "localname": "FairValueMeasurementFrequencyDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueMeasurementPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for fair value measurements of financial and non-financial assets, liabilities and instruments classified in shareholders' equity. Disclosures include, but are not limited to, how an entity that manages a group of financial assets and liabilities on the basis of its net exposure measures the fair value of those assets and liabilities.", "label": "Fair Value Measurement, Policy [Policy Text Block]", "terseLabel": "Fair Value Measurements" } } }, "localname": "FairValueMeasurementPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss": { "auth_ref": [ "r419" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3).", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)", "terseLabel": "Included in OCI" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues": { "auth_ref": [ "r420" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of issuances of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Issuances", "terseLabel": "Issuances" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases": { "auth_ref": [ "r420" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases", "terseLabel": "Purchases / Originations" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales": { "auth_ref": [ "r420" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales", "negatedLabel": "Sales" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements": { "auth_ref": [ "r420" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements", "negatedTerseLabel": "Cash repayments / receipts" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3": { "auth_ref": [ "r421" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3", "terseLabel": "Transfers into Level III" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3": { "auth_ref": [ "r421" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3", "negatedLabel": "Transfers out of Level III" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue": { "auth_ref": [ "r418" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value", "periodEndLabel": "Balance at the end of the period", "periodStartLabel": "Balance at the beginning of the period" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Categories used to prioritize the inputs to valuation techniques to measure fair value.", "label": "Fair Value Measurements Fair Value Hierarchy [Domain]", "terseLabel": "Fair Value Hierarchy [Domain]" } } }, "localname": "FairValueMeasurementsFairValueHierarchyDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueMeasurementsRecurringMember": { "auth_ref": [ "r422", "r425" ], "lang": { "en-US": { "role": { "documentation": "Frequent fair value measurement. Includes, but is not limited to, fair value adjustment for impairment of asset, liability or equity, frequently measured at fair value.", "label": "Fair Value Measurements Recurring [Member]", "terseLabel": "Fair value measurements on recurring basis" } } }, "localname": "FairValueMeasurementsRecurringMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable": { "auth_ref": [ "r394", "r398", "r409" ], "lang": { "en-US": { "role": { "documentation": "Schedule that discloses the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.", "label": "Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]" } } }, "localname": "FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityFairValueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FederalHomeLoanBankAdvancesMember": { "auth_ref": [ "r496" ], "lang": { "en-US": { "role": { "documentation": "Borrowings from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and also in times of liquidity shortages. The member institution executes a promissory note, which is generally collateralized by government securities to the Federal Reserve or loans.", "label": "Federal Home Loan Bank Advances [Member]", "terseLabel": "FHLB" } } }, "localname": "FederalHomeLoanBankAdvancesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FeesAndCommissionsMortgageBankingAndServicing": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 3.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Income from mortgage banking activities (fees and commissions) and servicing real estate mortgages, credit cards, and other financial assets held by others net of any related impairment of capitalized service costs. Also includes any premiums received in lieu of regular servicing fees on such loans only as earned over the life of the loans.", "label": "Fees and Commissions, Mortgage Banking and Servicing", "terseLabel": "Servicing fees" } } }, "localname": "FeesAndCommissionsMortgageBankingAndServicing", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLoanAndLeaseReceivablesHeldForInvestmentPolicy": { "auth_ref": [ "r187", "r188", "r196", "r197", "r200", "r207" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for financing receivable classified as held-for-investment.", "label": "Finance, Loan and Lease Receivables, Held-for-investment, Policy [Policy Text Block]", "terseLabel": "Loans Held-for-Investment" } } }, "localname": "FinanceLoanAndLeaseReceivablesHeldForInvestmentPolicy", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_FinanceLoanAndLeaseReceivablesHeldForSalePolicy": { "auth_ref": [ "r188", "r197", "r200", "r206" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for financing receivables classified as held-for-sale.", "label": "Finance, Loan and Lease Receivables, Held-for-sale, Policy [Policy Text Block]", "terseLabel": "Loans Held-For-Sale" } } }, "localname": "FinanceLoanAndLeaseReceivablesHeldForSalePolicy", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_FinanceReceivablesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Amounts due the Company from customers, clients, lessees, borrowers, or others under the terms of its agreements therewith. Such amount may include accrued interest receivable in accordance with the terms of the agreements. The agreements also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among myriad other features and characteristics.", "label": "Finance Receivables [Member]", "terseLabel": "Financing" } } }, "localname": "FinanceReceivablesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FinancialAssetAcquiredWithCreditDeteriorationMember": { "auth_ref": [ "r210" ], "lang": { "en-US": { "role": { "documentation": "Financial asset acquired with deteriorated credit quality.", "label": "Financial Asset Acquired With Credit Deterioration [Member]", "terseLabel": "Credit deteriorated" } } }, "localname": "FinancialAssetAcquiredWithCreditDeteriorationMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FinancialInstrumentAxis": { "auth_ref": [ "r240", "r244", "r245", "r246", "r249", "r261", "r263", "r264", "r265" ], "lang": { "en-US": { "role": { "documentation": "Information by type of financial instrument.", "label": "Financial Instrument [Axis]" } } }, "localname": "FinancialInstrumentAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureCommitmentsAndContingenciesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FinancialInstrumentsDisclosureTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for financial instruments. This disclosure includes, but is not limited to, fair value measurements of short and long term marketable securities, international currencies forward contracts, and auction rate securities. Financial instruments may include hedging and non-hedging currency exchange instruments, derivatives, securitizations and securities available for sale at fair value. Also included are investment results, realized and unrealized gains and losses as well as impairments and risk management disclosures.", "label": "Financial Instruments Disclosure [Text Block]", "terseLabel": "Fair Value" } } }, "localname": "FinancialInstrumentsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValue" ], "xbrltype": "textBlockItemType" }, "us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]", "terseLabel": "Financial assets not carried at fair value:" } } }, "localname": "FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialInstrumentsNotCarriedAtFairValueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]", "terseLabel": "Financial liabilities not carried at fair value:" } } }, "localname": "FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialInstrumentsNotCarriedAtFairValueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FinancingReceivableAllowanceForCreditLosses": { "auth_ref": [ "r190", "r238", "r241", "r243", "r495" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.", "label": "Financing Receivable, Allowance for Credit Loss", "terseLabel": "Allowance for credit losses" } } }, "localname": "FinancingReceivableAllowanceForCreditLosses", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock": { "auth_ref": [ "r198", "r249" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of financing receivables by credit quality indicator. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics.", "label": "Financing Receivable Credit Quality Indicators [Table Text Block]", "terseLabel": "Schedule of risk ratings by class of loan" } } }, "localname": "FinancingReceivableCreditQualityIndicatorsTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear": { "auth_ref": [ "r250", "r258" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of financing receivable originated five or more years prior to latest fiscal year.", "label": "Financing Receivable, Originated Five or More Years before Latest Fiscal Year", "terseLabel": "Prior" } } }, "localname": "FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear": { "auth_ref": [ "r250", "r258" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of financing receivable originated four years prior to latest fiscal year.", "label": "Financing Receivable, Originated Four Years before Latest Fiscal Year", "terseLabel": "2016" } } }, "localname": "FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinancingReceivableOriginatedInCurrentFiscalYear": { "auth_ref": [ "r250", "r258" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of financing receivable originated in current fiscal year.", "label": "Financing Receivable, Originated in Current Fiscal Year", "terseLabel": "2020" } } }, "localname": "FinancingReceivableOriginatedInCurrentFiscalYear", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear": { "auth_ref": [ "r250", "r258" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of financing receivable originated in fiscal year prior to latest fiscal year.", "label": "Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year", "terseLabel": "2019" } } }, "localname": "FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear": { "auth_ref": [ "r250", "r258" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of financing receivable originated three years prior to latest fiscal year.", "label": "Financing Receivable, Originated Three Years before Latest Fiscal Year", "terseLabel": "2017" } } }, "localname": "FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear": { "auth_ref": [ "r250", "r258" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of financing receivable originated two years prior to latest fiscal year.", "label": "Financing Receivable, Originated Two Years before Latest Fiscal Year", "terseLabel": "2018" } } }, "localname": "FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinancingReceivablePortfolioSegmentAxis": { "auth_ref": [ "r240", "r244", "r251" ], "lang": { "en-US": { "role": { "documentation": "Information by the level at which an entity develops and documents a systematic methodology to determine its allowance for credit losses.", "label": "Financing Receivable Portfolio Segment [Axis]" } } }, "localname": "FinancingReceivablePortfolioSegmentAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FinancingReceivablePortfolioSegmentDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level at which an entity develops and documents a systematic methodology to determine its allowance for credit losses.", "label": "Financing Receivable Portfolio Segment [Domain]", "terseLabel": "Financing Receivable Portfolio Segment [Domain]" } } }, "localname": "FinancingReceivablePortfolioSegmentDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FinancingReceivableReclassificationToHeldForSale": { "auth_ref": [ "r193", "r239" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of financing receivable reclassified to held-for-sale.", "label": "Financing Receivable, Reclassification to Held-for-sale", "terseLabel": "Reclassification to held-for-sale" } } }, "localname": "FinancingReceivableReclassificationToHeldForSale", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis": { "auth_ref": [ "r199", "r201", "r202", "r245", "r246", "r249", "r252", "r253", "r258", "r259" ], "lang": { "en-US": { "role": { "documentation": "Information by class of financing receivable determined on the basis of initial measurement attribute, risk characteristics and method of monitoring and assessing credit risk.", "label": "Class of Financing Receivable [Axis]" } } }, "localname": "FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Financing receivables determined on the basis of initial measurement attribute, risk characteristics and method of monitoring and assessing credit risk.", "label": "Financing Receivable Recorded Investment Class Of Financing Receivable [Domain]", "terseLabel": "Class of Financing Receivable [Domain]" } } }, "localname": "FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "domainItemType" }, "us-gaap_FinancingReceivableRevolving": { "auth_ref": [ "r250", "r258" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of financing receivable that can be withdrawn, repaid and redrawn.", "label": "Financing Receivable, Revolving", "terseLabel": "Revolving Loans Amortized Cost Total" } } }, "localname": "FinancingReceivableRevolving", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember": { "auth_ref": [ "r259" ], "lang": { "en-US": { "role": { "documentation": "Financial asset equal to or greater than 90 days past due.", "label": "Financing Receivables Equal To Greater Than90 Days Past Due [Member]", "terseLabel": "90 days or greater past due" } } }, "localname": "FinancingReceivablesEqualToGreaterThan90DaysPastDueMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FinancingReceivablesPeriodPastDueAxis": { "auth_ref": [ "r245", "r259" ], "lang": { "en-US": { "role": { "documentation": "Information by time period financial asset is past due.", "label": "Financial Asset, Period Past Due [Axis]" } } }, "localname": "FinancingReceivablesPeriodPastDueAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FinancingReceivablesPeriodPastDueDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Period in which financial asset is past due. Element name and standard label in Financial Asset, [numeric lower end] to [numeric higher end] [date measure] Past Due [Member] or Financial Asset, Greater Than [low end numeric value] [date measure] Past Due [Member] or Financial Asset, Less Than [high end numeric value] [date measure] Past Due [Member] formats.", "label": "Financing Receivables Period Past Due [Domain]", "terseLabel": "Financial Asset, Period Past Due [Domain]" } } }, "localname": "FinancingReceivablesPeriodPastDueDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FinancingReceivablesTextBlock": { "auth_ref": [ "r205", "r208" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for financing receivable.", "label": "Financing Receivables [Text Block]", "terseLabel": "Loans" } } }, "localname": "FinancingReceivablesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoans" ], "xbrltype": "textBlockItemType" }, "us-gaap_FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of finite-lived and indefinite-lived intangible assets acquired as part of a business combination.", "label": "Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]", "terseLabel": "Summary of intangibles assets" } } }, "localname": "FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization": { "auth_ref": [ "r276" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails": { "order": 2.0, "parentTag": "us-gaap_IntangibleAssetsNetExcludingGoodwill", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.", "label": "Finite-Lived Intangible Assets, Accumulated Amortization", "negatedLabel": "Accumulated Amortization" } } }, "localname": "FiniteLivedIntangibleAssetsAccumulatedAmortization", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails": { "order": 6.0, "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Finite-Lived Intangible Assets, Amortization Expense, after Year Five", "terseLabel": "Thereafter" } } }, "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths": { "auth_ref": [ "r278" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails": { "order": 1.0, "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months", "terseLabel": "2021" } } }, "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails": { "order": 2.0, "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year", "terseLabel": "2020 (remainder of)" } } }, "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour": { "auth_ref": [ "r278" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails": { "order": 5.0, "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Finite-Lived Intangible Assets, Amortization Expense, Year Four", "terseLabel": "2024" } } }, "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearFour", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree": { "auth_ref": [ "r278" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails": { "order": 4.0, "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Finite-Lived Intangible Assets, Amortization Expense, Year Three", "terseLabel": "2023" } } }, "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearThree", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo": { "auth_ref": [ "r278" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails": { "order": 3.0, "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Finite-Lived Intangible Assets, Amortization Expense, Year Two", "terseLabel": "2022" } } }, "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis": { "auth_ref": [ "r271", "r273", "r276", "r280", "r470" ], "lang": { "en-US": { "role": { "documentation": "Information by major type or class of finite-lived intangible assets.", "label": "Finite-Lived Intangible Assets by Major Class [Axis]" } } }, "localname": "FiniteLivedIntangibleAssetsByMajorClassAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails", "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]", "terseLabel": "Future rental payments due to us from tenants under existing non-cancellable operating leases" } } }, "localname": "FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain": { "auth_ref": [ "r271", "r275" ], "lang": { "en-US": { "role": { "documentation": "The major class of finite-lived intangible asset (for example, patents, trademarks, copyrights, etc.) A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.", "label": "Finite Lived Intangible Assets Major Class Name [Domain]", "terseLabel": "Finite-Lived Intangible Assets, Major Class Name [Domain]" } } }, "localname": "FiniteLivedIntangibleAssetsMajorClassNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails", "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FiniteLivedIntangibleAssetsNet": { "auth_ref": [ "r276" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.", "label": "Finite-Lived Intangible Assets, Net", "totalLabel": "Total" } } }, "localname": "FiniteLivedIntangibleAssetsNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FirstMortgageMember": { "auth_ref": [ "r558" ], "lang": { "en-US": { "role": { "documentation": "Loan secured by real property that has a first (highest) lien on such property in the event of default by the borrower.", "label": "First Mortgage [Member]", "terseLabel": "First mortgage loan participation" } } }, "localname": "FirstMortgageMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ForeignCurrencyTransactionGainLossBeforeTax": { "auth_ref": [ "r432", "r433", "r434" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 8.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.", "label": "Foreign Currency Transaction Gain (Loss), before Tax", "terseLabel": "Foreign currency gain (loss), net", "verboseLabel": "Foreign currency gain (loss), net" } } }, "localname": "ForeignCurrencyTransactionGainLossBeforeTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_ForeignExchangeForwardMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Foreign exchange forward traded on an exchange (examples include but are not limited to the International Securities Exchange, Philadelphia Stock Exchange, or the Chicago Mercantile Exchange) for options or future contracts to buy or sell a certain currency, at a specified date, at a fixed exercise exchange rate.", "label": "Foreign Exchange Forward [Member]", "terseLabel": "Foreign exchange contracts" } } }, "localname": "ForeignExchangeForwardMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityEffectOnFinancialStatementsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityFairValueDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FurnitureAndFixturesGross": { "auth_ref": [ "r283" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails": { "order": 4.0, "parentTag": "us-gaap_RealEstateInvestmentPropertyAtCost", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.", "label": "Furniture and Fixtures, Gross", "terseLabel": "Furniture & fixtures" } } }, "localname": "FurnitureAndFixturesGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GainLossOnDerivativeInstrumentsNetPretax": { "auth_ref": [ "r395" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 7.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.", "label": "Gain (Loss) on Derivative Instruments, Net, Pretax", "terseLabel": "Loss on derivative financial instruments, net", "verboseLabel": "(Loss) gain on derivative financial instruments, net" } } }, "localname": "GainLossOnDerivativeInstrumentsNetPretax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityEffectOnFinancialStatementsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_GainLossOnSaleOfDerivatives": { "auth_ref": [ "r111", "r511" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.", "label": "Gain (Loss) on Sale of Derivatives", "terseLabel": "Decrease in fair value within loss on derivative financial instruments" } } }, "localname": "GainLossOnSaleOfDerivatives", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GainsLossesOnExtinguishmentOfDebt": { "auth_ref": [ "r111", "r302", "r303" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 20.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 }, "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 10.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.", "label": "Gains (Losses) on Extinguishment of Debt", "negatedLabel": "Loss on extinguishment of debt", "terseLabel": "Loss on extinguishment of debt" } } }, "localname": "GainsLossesOnExtinguishmentOfDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_GainsLossesOnSalesOfInvestmentRealEstate": { "auth_ref": [ "r73", "r74", "r111", "r505", "r537", "r540", "r541", "r542" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes.", "label": "Gains (Losses) on Sales of Investment Real Estate", "terseLabel": "Gain on sale of property" } } }, "localname": "GainsLossesOnSalesOfInvestmentRealEstate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAcquisitionsAndDivestituresDetails", "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GeneralAndAdministrativeExpense": { "auth_ref": [ "r80" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 3.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.", "label": "General and Administrative Expense", "terseLabel": "General and administrative" } } }, "localname": "GeneralAndAdministrativeExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_GeographicDistributionAxis": { "auth_ref": [ "r255" ], "lang": { "en-US": { "role": { "documentation": "Information by geographic distribution of business activity identified as either domestic or foreign. Excludes names of countries, states and provinces, and cities.", "label": "Geographic Distribution [Axis]" } } }, "localname": "GeographicDistributionAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_GeographicDistributionDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Allocation of business activity identified as domestic or foreign. Excludes names of countries, states and provinces, and cities.", "label": "Geographic Distribution [Domain]", "terseLabel": "Geographic Distribution [Domain]" } } }, "localname": "GeographicDistributionDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_Goodwill": { "auth_ref": [ "r266", "r267" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 9.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.", "label": "Goodwill", "terseLabel": "Goodwill" } } }, "localname": "Goodwill", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Goodwill and Intangibles" } } }, "localname": "GoodwillAndIntangibleAssetsDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock": { "auth_ref": [ "r281" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for goodwill and intangible assets.", "label": "Goodwill and Intangible Assets Disclosure [Text Block]", "terseLabel": "Goodwill and Intangibles" } } }, "localname": "GoodwillAndIntangibleAssetsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangibles" ], "xbrltype": "textBlockItemType" }, "us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy": { "auth_ref": [ "r119", "r268" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for goodwill. This accounting policy also may address how an entity assesses and measures impairment of goodwill, how reporting units are determined, how goodwill is allocated to such units, and how the fair values of the reporting units are determined.", "label": "Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]", "terseLabel": "Goodwill" } } }, "localname": "GoodwillAndIntangibleAssetsGoodwillPolicy", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_HedgingDesignationAxis": { "auth_ref": [ "r392", "r403" ], "lang": { "en-US": { "role": { "documentation": "Information by designation of purpose of derivative instrument.", "label": "Hedging Designation [Axis]" } } }, "localname": "HedgingDesignationAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityFairValueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_HedgingDesignationDomain": { "auth_ref": [ "r392" ], "lang": { "en-US": { "role": { "documentation": "Designation of purpose of derivative instrument.", "label": "Hedging Designation [Domain]", "terseLabel": "Hedging Designation [Domain]" } } }, "localname": "HedgingDesignationDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityFairValueDetails" ], "xbrltype": "domainItemType" }, "us-gaap_HeldToMaturitySecurities": { "auth_ref": [ "r211", "r219" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetailsCalc2": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in debt security measured at amortized cost (held-to-maturity).", "label": "Held-to-maturity Securities", "terseLabel": "Amortized Cost Basis", "verboseLabel": "HTM securities" } } }, "localname": "HeldToMaturitySecurities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialInstrumentsNotCarriedAtFairValueDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain": { "auth_ref": [ "r222" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails": { "order": 1.0, "parentTag": "us-gaap_HeldToMaturitySecurities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).", "label": "Held-to-maturity Securities, Accumulated Unrecognized Holding Gain", "terseLabel": "Gross Unrealized Holdings Gains" } } }, "localname": "HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss": { "auth_ref": [ "r223" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails": { "order": 2.0, "parentTag": "us-gaap_HeldToMaturitySecurities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity).", "label": "Held-to-maturity Securities, Accumulated Unrecognized Holding Loss", "negatedLabel": "Gross Unrealized Holdings Losses" } } }, "localname": "HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmountAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]", "terseLabel": "HTM preferred equity interests" } } }, "localname": "HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmountAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails" ], "xbrltype": "stringItemType" }, "us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount": { "auth_ref": [ "r224", "r514" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails": { "order": 1.0, "parentTag": "stwd_DebtSecuritiesHeldToMaturityNet", "weight": 1.0 }, "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetailsCalc2": { "order": 1.0, "parentTag": "us-gaap_HeldToMaturitySecurities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in next fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.", "label": "Held-to-maturity Securities, Debt Maturities, within One Year, Net Carrying Amount", "terseLabel": "Less than one year" } } }, "localname": "HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_HeldToMaturitySecuritiesFairValue": { "auth_ref": [ "r220" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails": { "order": 3.0, "parentTag": "us-gaap_HeldToMaturitySecurities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value of investment in debt security measured at amortized cost (held-to-maturity).", "label": "Held-to-maturity Securities, Fair Value", "terseLabel": "Fair Value" } } }, "localname": "HeldToMaturitySecuritiesFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_HeldToMaturitySecuritiesTextBlock": { "auth_ref": [ "r225" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of information about investment in debt security measured at amortized cost (held-to-maturity).", "label": "Held-to-maturity Securities [Table Text Block]", "terseLabel": "Summary of investments in HTM securities" } } }, "localname": "HeldToMaturitySecuritiesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_HeldtomaturitySecuritiesMember": { "auth_ref": [ "r229" ], "lang": { "en-US": { "role": { "documentation": "Investments in debt securities classified as held-to-maturity.", "label": "Heldtomaturity Securities [Member]", "terseLabel": "Held-to-maturity" } } }, "localname": "HeldtomaturitySecuritiesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesTables" ], "xbrltype": "domainItemType" }, "us-gaap_ImpairedFinancingReceivableRelatedAllowance": { "auth_ref": [ "r195" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of allowance for credit losses related to recorded investment.", "label": "Impaired Financing Receivable, Related Allowance", "verboseLabel": "Credit Loss Allowance" } } }, "localname": "ImpairedFinancingReceivableRelatedAllowance", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeLossFromContinuingOperations": { "auth_ref": [ "r76", "r112", "r152", "r354" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails": { "order": 1.0, "parentTag": "stwd_IncomeLossFromContinuingOperationsBasic", "weight": 1.0 }, "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetailsCalc2": { "order": 1.0, "parentTag": "stwd_IncomeLossFromContinuingOperationsDiluted", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of income (loss) from continuing operations attributable to the parent.", "label": "Income (Loss) from Continuing Operations Attributable to Parent", "verboseLabel": "Basic - Income attributable to STWD common stockholders" } } }, "localname": "IncomeLossFromContinuingOperations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest": { "auth_ref": [ "r68", "r135", "r483", "r506", "r539" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_ProfitLoss", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.", "label": "Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest", "totalLabel": "Income before income taxes" } } }, "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeLossFromEquityMethodInvestments": { "auth_ref": [ "r69", "r111", "r174", "r233", "r503", "r534" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 18.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 }, "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 5.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of income (loss) for proportionate share of equity method investee's income (loss).", "label": "Income (Loss) from Equity Method Investments", "negatedLabel": "(Earnings) loss from unconsolidated entities", "verboseLabel": "Earnings (loss) from unconsolidated entities" } } }, "localname": "IncomeLossFromEquityMethodInvestments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeStatementAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Condensed Consolidated Statements of Operations" } } }, "localname": "IncomeStatementAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Income Taxes" } } }, "localname": "IncomeTaxDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxDisclosureTextBlock": { "auth_ref": [ "r347" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.", "label": "Income Tax Disclosure [Text Block]", "terseLabel": "Income Taxes" } } }, "localname": "IncomeTaxDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxes" ], "xbrltype": "textBlockItemType" }, "us-gaap_IncomeTaxExpenseBenefit": { "auth_ref": [ "r122", "r175", "r346" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_ProfitLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.", "label": "Income Tax Expense (Benefit)", "negatedLabel": "Income tax benefit (provision)", "negatedTerseLabel": "Income tax (provision) benefit", "totalLabel": "Total income tax provision" } } }, "localname": "IncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Effective Income Tax Rate Reconciliation, Amount [Abstract]", "terseLabel": "Reconciliation of statutory tax to effective tax" } } }, "localname": "IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate": { "auth_ref": [ "r121", "r343", "r344" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails": { "order": 1.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.", "label": "Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount", "terseLabel": "Federal statutory tax rate" } } }, "localname": "IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationOtherAdjustments": { "auth_ref": [ "r343" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails": { "order": 7.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.", "label": "Effective Income Tax Rate Reconciliation, Other Adjustments, Amount", "terseLabel": "Other" } } }, "localname": "IncomeTaxReconciliationOtherAdjustments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes": { "auth_ref": [ "r121", "r343", "r344" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails": { "order": 3.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit).", "label": "Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount", "terseLabel": "State income taxes" } } }, "localname": "IncomeTaxReconciliationStateAndLocalIncomeTaxes", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationTaxExemptIncome": { "auth_ref": [ "r343", "r344" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails": { "order": 2.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income (loss) exempt from income taxes.", "label": "Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount", "negatedLabel": "REIT and other non-taxable income" } } }, "localname": "IncomeTaxReconciliationTaxExemptIncome", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesReconciliationOfTaxRateDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxesPaid": { "auth_ref": [ "r107", "r114" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.", "label": "Income Taxes Paid", "terseLabel": "Income taxes paid" } } }, "localname": "IncomeTaxesPaid", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities": { "auth_ref": [ "r110" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 26.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in obligations incurred but not paid, and operating obligations classified as other.", "label": "Increase (Decrease) in Accounts Payable and Other Operating Liabilities", "terseLabel": "Accounts payable, accrued expenses and other liabilities" } } }, "localname": "IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet": { "auth_ref": [ "r110" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 24.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the reporting period in the amount due from borrowers for interest payments.", "label": "Increase (Decrease) in Accrued Interest Receivable, Net", "negatedLabel": "Accrued and capitalized interest receivable, less purchased interest" } } }, "localname": "IncreaseDecreaseInAccruedInterestReceivableNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInDueToRelatedParties": { "auth_ref": [ "r110" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 23.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the reporting period in the aggregate amount of obligations to be paid to the following types of related parties: a parent company and its subsidiaries; subsidiaries of a common parent; an entity and trust for the benefit of employees, such as pension and profit-sharing trusts that are managed by or under the trusteeship of the entities' management; an entity and its principal owners, management, or member of their immediate families; affiliates; or other parties with the ability to exert significant influence.", "label": "Increase (Decrease) in Due to Related Parties", "terseLabel": "Related-party payable, net" } } }, "localname": "IncreaseDecreaseInDueToRelatedParties", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInOperatingCapitalAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Increase (Decrease) in Operating Capital [Abstract]", "terseLabel": "Changes in operating assets and liabilities:" } } }, "localname": "IncreaseDecreaseInOperatingCapitalAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_IncreaseDecreaseInOtherOperatingAssets": { "auth_ref": [ "r110" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 25.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in operating assets classified as other.", "label": "Increase (Decrease) in Other Operating Assets", "negatedLabel": "Other assets" } } }, "localname": "IncreaseDecreaseInOtherOperatingAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInStockholdersEquityRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Increase (Decrease) in Stockholders' Equity [Roll Forward]", "terseLabel": "Increase (Decrease) in Stockholders' Equity" } } }, "localname": "IncreaseDecreaseInStockholdersEquityRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "stringItemType" }, "us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities": { "auth_ref": [ "r146", "r154" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails": { "order": 2.0, "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt securities using the if-converted method.", "label": "Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities", "terseLabel": "Effect of dilutive securities - Convertible Notes (in shares)" } } }, "localname": "IncrementalCommonSharesAttributableToConversionOfDebtSecurities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends": { "auth_ref": [ "r144", "r150", "r153" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails": { "order": 3.0, "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Number of additional shares included in diluted EPS for potentially dilutive effect of nonvested equity-based payment award containing forfeitable rights to dividends or dividend equivalents, whether paid or unpaid.", "label": "Incremental Common Shares Attributable to Dilutive Effect of Nonvested Shares with Forfeitable Dividends", "terseLabel": "Effect of dilutive securities - Unvested non-participating shares" } } }, "localname": "IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis": { "auth_ref": [ "r272", "r279" ], "lang": { "en-US": { "role": { "documentation": "Information by type or class of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.", "label": "Indefinite-lived Intangible Assets [Axis]" } } }, "localname": "IndefiniteLivedIntangibleAssetsByMajorClassAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails", "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill": { "auth_ref": [ "r279" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.", "label": "Indefinite-Lived Intangible Assets (Excluding Goodwill)", "terseLabel": "Servicing rights intangibles" } } }, "localname": "IndefiniteLivedIntangibleAssetsExcludingGoodwill", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain": { "auth_ref": [ "r272", "r279" ], "lang": { "en-US": { "role": { "documentation": "The major class of indefinite-lived intangible asset (for example, trade names, etc. but not all-inclusive), excluding goodwill. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of the company.", "label": "Indefinite Lived Intangible Assets Major Class Name [Domain]", "terseLabel": "Indefinite-lived Intangible Assets, Major Class Name [Domain]" } } }, "localname": "IndefiniteLivedIntangibleAssetsMajorClassNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails", "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_InformationByCategoryOfDebtSecurityAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by category of debt security, either available-for-sale or held-to-maturity.", "label": "Debt Security Category [Axis]" } } }, "localname": "InformationByCategoryOfDebtSecurityAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesTables" ], "xbrltype": "stringItemType" }, "us-gaap_IntangibleAssetsGrossExcludingGoodwill": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails": { "order": 1.0, "parentTag": "us-gaap_IntangibleAssetsNetExcludingGoodwill", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before accumulated amortization of intangible assets, excluding goodwill.", "label": "Intangible Assets, Gross (Excluding Goodwill)", "terseLabel": "Gross Carrying Value" } } }, "localname": "IntangibleAssetsGrossExcludingGoodwill", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IntangibleAssetsGrossExcludingGoodwillAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Intangible Assets, Gross (Excluding Goodwill) [Abstract]", "terseLabel": "Summary of Intangible Assets" } } }, "localname": "IntangibleAssetsGrossExcludingGoodwillAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IntangibleAssetsNetExcludingGoodwill": { "auth_ref": [ "r269", "r274" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 6.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.", "label": "Intangible Assets, Net (Excluding Goodwill)", "periodEndLabel": "Balance as of end of period", "periodStartLabel": "Balance as of beginning of period", "terseLabel": "Intangible assets", "totalLabel": "Net Carrying Value", "verboseLabel": "Intangible assets ($13,955 and $16,917 held at fair value)" } } }, "localname": "IntangibleAssetsNetExcludingGoodwill", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails", "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Intangible Assets, Net (Excluding Goodwill) [Abstract]", "terseLabel": "Summary of activity within intangible assets" } } }, "localname": "IntangibleAssetsNetExcludingGoodwillAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_InterestAndFeeIncomeLoansCommercial": { "auth_ref": [ "r509" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Interest and fee income related to commercial loans including industrial and agricultural, real estate (commercial and residential, construction and development), trade financing, and lease financing.", "label": "Interest and Fee Income, Loans, Commercial", "terseLabel": "Interest income from loans" } } }, "localname": "InterestAndFeeIncomeLoansCommercial", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestExpense": { "auth_ref": [ "r66", "r173", "r437", "r440", "r513" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the cost of borrowed funds accounted for as interest expense.", "label": "Interest Expense", "terseLabel": "Interest expense" } } }, "localname": "InterestExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestIncomeSecuritiesMortgageBacked": { "auth_ref": [ "r512" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of operating interest income, including amortization and accretion of premiums and discounts, on securitized, pass-through debt securities collateralized by real estate mortgage loans.", "label": "Interest Income, Securities, Mortgage Backed", "terseLabel": "Interest income from investment securities" } } }, "localname": "InterestIncomeSecuritiesMortgageBacked", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestOnConvertibleDebtNetOfTax": { "auth_ref": [ "r142" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetailsCalc2": { "order": 3.0, "parentTag": "stwd_IncomeLossFromContinuingOperationsDiluted", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The after-tax amount of interest recognized in the period associated with any convertible debt.", "label": "Interest on Convertible Debt, Net of Tax", "terseLabel": "Add: Interest expense on Convertible Notes" } } }, "localname": "InterestOnConvertibleDebtNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestPaidNet": { "auth_ref": [ "r100", "r106", "r114" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.", "label": "Interest Paid", "terseLabel": "Cash paid for interest" } } }, "localname": "InterestPaidNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestRateCapMember": { "auth_ref": [ "r401" ], "lang": { "en-US": { "role": { "documentation": "Contract in which the cap writer, in return for a premium, agrees to limit, or cap, the cap holder's risk associated with an increase in interest rates. If rates go above a specified interest-rate-level (the strike price or the cap rate), the cap holder is entitled to receive cash payments equal to the excess of the market rate over the strike price multiplied by the notional principal amount.", "label": "Interest Rate Cap [Member]", "terseLabel": "Interest rate caps" } } }, "localname": "InterestRateCapMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_InterestRateSwapMember": { "auth_ref": [ "r401" ], "lang": { "en-US": { "role": { "documentation": "Forward based contracts in which two parties agree to swap periodic payments that are fixed at the outset of the swap contract with variable payments based on a market interest rate (index rate) over a specified period.", "label": "Interest Rate Swap [Member]", "terseLabel": "Interest rate swaps" } } }, "localname": "InterestRateSwapMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityEffectOnFinancialStatementsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityFairValueDetails" ], "xbrltype": "domainItemType" }, "us-gaap_InterestReceivable": { "auth_ref": [ "r38" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 11.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.", "label": "Interest Receivable", "terseLabel": "Accrued interest receivable" } } }, "localname": "InterestReceivable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_InternalCreditAssessmentAxis": { "auth_ref": [ "r198", "r249", "r257", "r258", "r293", "r404" ], "lang": { "en-US": { "role": { "documentation": "Information by entity-defined rating.", "label": "Internal Credit Assessment [Axis]" } } }, "localname": "InternalCreditAssessmentAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_InternalCreditAssessmentDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Entity defined credit risk rating.", "label": "Internal Credit Assessment [Domain]", "terseLabel": "Internal Credit Assessment [Domain]" } } }, "localname": "InternalCreditAssessmentDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_InvestmentHoldingsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Investment Holdings [Line Items]", "terseLabel": "Residential Real Estate" } } }, "localname": "InvestmentHoldingsLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesSerefDetails" ], "xbrltype": "stringItemType" }, "us-gaap_InvestmentHoldingsTable": { "auth_ref": [ "r547", "r549", "r551", "r552" ], "lang": { "en-US": { "role": { "documentation": "The investment holdings table is used for any listing of investments. The \"Investment [Axis]\" identifies the investment for which the line items apply. The other axes are used for categorizing the investments and creating useful subtotals. These axes cover different categorizations. The appropriate axes are expected to be used. Additional axes can be added for alternative categorizations.", "label": "Investment Holdings [Table]" } } }, "localname": "InvestmentHoldingsTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesSerefDetails" ], "xbrltype": "stringItemType" }, "us-gaap_InvestmentInterestRate": { "auth_ref": [ "r217", "r225" ], "lang": { "en-US": { "role": { "documentation": "Rate of interest on investment.", "label": "Investment Interest Rate", "terseLabel": "Interest rate" } } }, "localname": "InvestmentInterestRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "percentItemType" }, "us-gaap_InvestmentTypeAxis": { "auth_ref": [ "r546", "r548", "r550", "r553" ], "lang": { "en-US": { "role": { "documentation": "Information by type of investments.", "label": "Investment Type [Axis]" } } }, "localname": "InvestmentTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_InvestmentTypeCategorizationMember": { "auth_ref": [ "r546", "r548", "r550", "r553" ], "lang": { "en-US": { "role": { "documentation": "Asset obtained to generate income or appreciate in value.", "label": "Investment Type Categorization [Member]", "terseLabel": "Investments [Domain]" } } }, "localname": "InvestmentTypeCategorizationMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Investment Securities" } } }, "localname": "InvestmentsDebtAndEquitySecuritiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures": { "auth_ref": [ "r22" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 8.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in equity method investee and investment in and advance to affiliate.", "label": "Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures", "terseLabel": "Investment in unconsolidated entities", "totalLabel": "Investment in unconsolidated entities" } } }, "localname": "InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Investments in and Advances to Affiliates [Line Items]", "verboseLabel": "Investment in Unconsolidated Entities" } } }, "localname": "InvestmentsInAndAdvancesToAffiliatesLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_InvestmentsInAndAdvancesToAffiliatesTable": { "auth_ref": [ "r552" ], "lang": { "en-US": { "role": { "documentation": "Listing of investments in affiliates and investments that are advances to affiliates.", "label": "Investments in and Advances to Affiliates [Table]" } } }, "localname": "InvestmentsInAndAdvancesToAffiliatesTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_InvestmentsInAndAdvancesToAffiliatesTextBlock": { "auth_ref": [ "r552" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of investments in and advances to affiliates. Does not include the tabular disclosure of the disaggregation of investments in and advances to affiliates across legal entities.", "label": "Investments in and Advances to Affiliates [Table Text Block]", "terseLabel": "Summary of investments in unconsolidated entities" } } }, "localname": "InvestmentsInAndAdvancesToAffiliatesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock": { "auth_ref": [ "r230", "r484", "r515", "r555" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for investments in certain debt and equity securities.", "label": "Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]", "terseLabel": "Investment Securities" } } }, "localname": "InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecurities" ], "xbrltype": "textBlockItemType" }, "us-gaap_LandAndLandImprovements": { "auth_ref": [ "r4", "r40" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails": { "order": 1.0, "parentTag": "us-gaap_RealEstateInvestmentPropertyAtCost", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before accumulated deprecation and depletion of real estate held for productive use and additions or improvements to real estate held for productive use, examples include, but are not limited to, walkways, driveways, fences, and parking lots. Excludes land held for sale.", "label": "Land and Land Improvements", "terseLabel": "Land and land improvements" } } }, "localname": "LandAndLandImprovements", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LeasesAcquiredInPlaceMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "This element represents the amount of value allocated by a lessor (acquirer) to lease agreements which exist at acquisition of a leased property. Such amount may include the value assigned to tenant relationships and excludes the market adjustment component of the value assigned for above or below-market leases acquired.", "label": "Leases Acquired In Place [Member]", "terseLabel": "In-place lease" } } }, "localname": "LeasesAcquiredInPlaceMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails", "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LesseeOperatingLeaseTermOfContract": { "auth_ref": [ "r443" ], "lang": { "en-US": { "role": { "documentation": "Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Lessee, Operating Lease, Term of Contract", "terseLabel": "Term of master lease agreements", "verboseLabel": "Lease Term" } } }, "localname": "LesseeOperatingLeaseTermOfContract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAcquisitionsAndDivestituresDetails", "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "durationItemType" }, "us-gaap_Liabilities": { "auth_ref": [ "r27" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.", "label": "Liabilities", "totalLabel": "Total Liabilities" } } }, "localname": "Liabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesAssetsAndLiabilitiesOfConsolidatedCloDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Liabilities [Abstract]", "terseLabel": "Liabilities:" } } }, "localname": "LiabilitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilitiesAndStockholdersEquity": { "auth_ref": [ "r20", "r493", "r528" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.", "label": "Liabilities and Equity", "totalLabel": "Total Liabilities and Equity" } } }, "localname": "LiabilitiesAndStockholdersEquity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesAndStockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Liabilities and Equity [Abstract]", "terseLabel": "Liabilities and Equity" } } }, "localname": "LiabilitiesAndStockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilitiesFairValueDisclosure": { "auth_ref": [ "r412" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Fair value of financial and nonfinancial obligations.", "label": "Financial and Nonfinancial Liabilities, Fair Value Disclosure", "totalLabel": "Total Liabilities" } } }, "localname": "LiabilitiesFairValueDisclosure", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LineOfCreditFacilityCapacityAvailableForSpecificPurposeOtherThanForTradePurchases": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The maximum amount of borrowing capacity under a line of credit that is available as of the balance sheet date for a specific purpose other than for financing goods acquired for inventory or imminent delivery to a customer.", "label": "Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases", "terseLabel": "Maximum Facility Size" } } }, "localname": "LineOfCreditFacilityCapacityAvailableForSpecificPurposeOtherThanForTradePurchases", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSubsequentEventsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet": { "auth_ref": [ "r126" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) of the credit facility.", "label": "Line of Credit Facility, Increase (Decrease), Net", "terseLabel": "Increase in available borrowings" } } }, "localname": "LineOfCreditFacilityIncreaseDecreaseForPeriodNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity": { "auth_ref": [ "r26" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.", "label": "Line of Credit Facility, Maximum Borrowing Capacity", "terseLabel": "Maximum borrowing capacity" } } }, "localname": "LineOfCreditFacilityMaximumBorrowingCapacity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LoansAndLeasesReceivableAllowance": { "auth_ref": [ "r190", "r194", "r204", "r209", "r501" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails": { "order": 2.0, "parentTag": "us-gaap_MortgageLoansOnRealEstate", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.", "label": "Loans and Leases Receivable, Allowance", "negatedTerseLabel": "Total allowance", "periodEndLabel": "Credit loss allowance at the end of the period", "periodStartLabel": "Credit loss allowance at the beginning of the period", "terseLabel": "Loans held-for-investment, net, credit loss allowances" } } }, "localname": "LoansAndLeasesReceivableAllowance", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "monetaryItemType" }, "us-gaap_LoansAndLeasesReceivableNetReportedAmount": { "auth_ref": [ "r186", "r502" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.", "label": "Loans and Leases Receivable, Net Amount", "terseLabel": "Loans held-for-investment, net of credit loss allowances of $111,272 and $33,415 ($267,730 and $671,572 held at fair value)" } } }, "localname": "LoansAndLeasesReceivableNetReportedAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_LoansHeldForSaleFairValueDisclosure": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_AssetsFairValueDisclosure", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.", "label": "Loans Held-for-sale, Fair Value Disclosure", "verboseLabel": "Loans held-for-sale, fair value option" } } }, "localname": "LoansHeldForSaleFairValueDisclosure", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LoansHeldForSaleMeasurementInput": { "auth_ref": [ "r417" ], "lang": { "en-US": { "role": { "documentation": "Value of input used to measure loan, held for sale.", "label": "Loans Held-for-sale, Measurement Input", "terseLabel": "Loans held-for-sale, measurement input" } } }, "localname": "LoansHeldForSaleMeasurementInput", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "decimalItemType" }, "us-gaap_LoansHeldForSaleTerm": { "auth_ref": [ "r417" ], "lang": { "en-US": { "role": { "documentation": "Period between issuance and maturity of loan held for sale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Loans Held-for-sale, Term", "terseLabel": "Loans held-for-sale, duration" } } }, "localname": "LoansHeldForSaleTerm", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "durationItemType" }, "us-gaap_LoansHeldForSaleValuationTechniqueExtensibleList": { "auth_ref": [ "r416" ], "lang": { "en-US": { "role": { "documentation": "Indicates valuation technique for measuring loan held for sale.", "label": "Loans Held-for-sale, Valuation Technique [Extensible List]" } } }, "localname": "LoansHeldForSaleValuationTechniqueExtensibleList", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "extensibleListItemType" }, "us-gaap_LoansReceivableBasisSpreadOnVariableRate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The percentage points (also referred to as 'margin') added to the reference rate as stated in the loan agreement and used to compute the variable rate on the loans receivable. For instance, the loan agreement might state that the interest rate the borrower is obligated to pay is the London Interbank Offered Rate (LIBOR) plus three quarters (3/4) of a percentage point adjusted quarterly (each three months). LIBOR in this example is the index or reference rate, 3/4 percentage point is the margin, the reference rate plus the margin is the fully indexed rate. This element would be used to report separately the margin.", "label": "Loans Receivable, Basis Spread on Variable Rate", "terseLabel": "Weighted average spread of loans (as a percent)" } } }, "localname": "LoansReceivableBasisSpreadOnVariableRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansVariableRateLoansHeldForInvestmentDetails" ], "xbrltype": "percentItemType" }, "us-gaap_LoansReceivableFairValueDisclosure": { "auth_ref": [ "r205" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.", "label": "Loans Receivable, Fair Value Disclosure", "terseLabel": "Loans held-for-investment, net, held at fair value" } } }, "localname": "LoansReceivableFairValueDisclosure", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "monetaryItemType" }, "us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup": { "auth_ref": [ "r186" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after allowance for bad debt, of loan receivables held-for-sale that are not part of a disposal group. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.", "label": "Loans Receivable Held for Sale Net Not Part of Disposal Group or Discontinued Operation", "terseLabel": "Loans held-for-sale ($626,883 and $764,622 held at fair value)", "verboseLabel": "Loans held-for-sale" } } }, "localname": "LoansReceivableHeldForSaleNetNotPartOfDisposalGroup", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_LoansReceivableWithVariableRatesOfInterest1": { "auth_ref": [ "r186" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of loan with variable or adjustable rate of interest.", "label": "Loans Receivable with Variable Rates of Interest", "terseLabel": "Loans with variable rates of interest", "verboseLabel": "Total variable rate loans held-for-investment, carrying value" } } }, "localname": "LoansReceivableWithVariableRatesOfInterest1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansVariableRateLoansHeldForInvestmentDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LoansReceivableWithVariableRatesOfInterestAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Loans Receivable with Variable Rates of Interest [Abstract]", "terseLabel": "Variable rate loans held-for-investment" } } }, "localname": "LoansReceivableWithVariableRatesOfInterestAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansVariableRateLoansHeldForInvestmentDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LondonInterbankOfferedRateLIBORMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest rate at which a bank borrows funds from other banks in the London interbank market.", "label": "London Interbank Offered Rate L I B O R [Member]", "terseLabel": "LIBOR" } } }, "localname": "LondonInterbankOfferedRateLIBORMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LongMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicates an ownership position in, or purchase of, a security.", "label": "Long [Member]", "terseLabel": "Long" } } }, "localname": "LongMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LongTermDebt": { "auth_ref": [ "r11", "r298", "r490", "r524" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.", "label": "Long-term Debt", "positiveLabel": "Unsecured senior notes", "totalLabel": "Carrying amount of debt components" } } }, "localname": "LongTermDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialInstrumentsNotCarriedAtFairValueDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtByMaturityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Long-term Debt, Fiscal Year Maturity [Abstract]", "terseLabel": "Repayment of secured financings" } } }, "localname": "LongTermDebtByMaturityAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive": { "auth_ref": [ "r132", "r294" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails": { "order": 6.0, "parentTag": "stwd_DebtInstrumentCarryingAmountIncludingCollateralizedLoanObligations", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Long-term Debt, Maturities, Repayments of Principal after Year Five", "terseLabel": "Thereafter" } } }, "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive": { "auth_ref": [ "r132", "r294" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails": { "order": 5.0, "parentTag": "stwd_DebtInstrumentCarryingAmountIncludingCollateralizedLoanObligations", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Long-term Debt, Maturities, Repayments of Principal in Year Five", "terseLabel": "2024" } } }, "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour": { "auth_ref": [ "r132", "r294" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails": { "order": 4.0, "parentTag": "stwd_DebtInstrumentCarryingAmountIncludingCollateralizedLoanObligations", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Long-term Debt, Maturities, Repayments of Principal in Year Four", "terseLabel": "2023" } } }, "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree": { "auth_ref": [ "r132", "r294" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails": { "order": 3.0, "parentTag": "stwd_DebtInstrumentCarryingAmountIncludingCollateralizedLoanObligations", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Long-term Debt, Maturities, Repayments of Principal in Year Three", "terseLabel": "2022" } } }, "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo": { "auth_ref": [ "r132", "r294" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails": { "order": 1.0, "parentTag": "stwd_DebtInstrumentCarryingAmountIncludingCollateralizedLoanObligations", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Long-term Debt, Maturities, Repayments of Principal in Year Two", "terseLabel": "2021" } } }, "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear": { "auth_ref": [ "r132" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails": { "order": 2.0, "parentTag": "stwd_DebtInstrumentCarryingAmountIncludingCollateralizedLoanObligations", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year", "terseLabel": "2020 (remainder of)" } } }, "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongtermConvertibleDebtCurrentAndNoncurrentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Unsecured Senior Notes" } } }, "localname": "LongtermConvertibleDebtCurrentAndNoncurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_LongtermDebtTypeAxis": { "auth_ref": [ "r30" ], "lang": { "en-US": { "role": { "documentation": "Information by type of long-term debt.", "label": "Long-term Debt, Type [Axis]" } } }, "localname": "LongtermDebtTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowings", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsRepurchaseAgreementsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotes", "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LongtermDebtTypeDomain": { "auth_ref": [ "r30", "r295" ], "lang": { "en-US": { "role": { "documentation": "Type of long-term debt arrangement, such as notes, line of credit, commercial paper, asset-based financing, project financing, letter of credit financing. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.", "label": "Longterm Debt Type [Domain]", "terseLabel": "Long-term Debt, Type [Domain]" } } }, "localname": "LongtermDebtTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowings", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsRepurchaseAgreementsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotes", "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MarketableSecurities": { "auth_ref": [ "r500" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails": { "order": 3.0, "parentTag": "us-gaap_AssetsFairValueDisclosure", "weight": 1.0 }, "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in marketable security.", "label": "Marketable Securities", "positiveLabel": "Marketable securities", "terseLabel": "Investment securities", "verboseLabel": "Investment securities, net of credit loss allowances of $6,891 and $0 ($207,602 and $239,600 held at fair value)" } } }, "localname": "MarketableSecurities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_MarketableSecuritiesTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.", "label": "Marketable Securities [Table Text Block]", "terseLabel": "Schedule of investment securities" } } }, "localname": "MarketableSecuritiesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 8.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 }, "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 3.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of unrealized gain (loss) on investment in marketable security, excluding other-than-temporary impairment (OTTI).", "label": "Marketable Securities, Unrealized Gain (Loss), Excluding Other than Temporary Impairments", "negatedLabel": "Change in fair value of investment securities", "terseLabel": "Change in fair value of investment securities, net" } } }, "localname": "MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_MaterialReconcilingItemsMember": { "auth_ref": [ "r179", "r180" ], "lang": { "en-US": { "role": { "documentation": "Items used in reconciling reportable segments' amounts to consolidated amount. Excludes corporate-level activity.", "label": "Material Reconciling Items [Member]", "terseLabel": "LNR VIEs" } } }, "localname": "MaterialReconcilingItemsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MeasurementInputCreditSpreadMember": { "auth_ref": [ "r415" ], "lang": { "en-US": { "role": { "documentation": "Measurement input using amount above (below) yield between two debt instruments similar in maturity, but different in credit quality.", "label": "Measurement Input Credit Spread [Member]", "terseLabel": "Debt yield" } } }, "localname": "MeasurementInputCreditSpreadMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MeasurementInputDefaultRateMember": { "auth_ref": [ "r415" ], "lang": { "en-US": { "role": { "documentation": "Measurement input using likelihood loan will not be repaid as proportion of outstanding loan.", "label": "Measurement Input Default Rate [Member]", "terseLabel": "Constant default rate" } } }, "localname": "MeasurementInputDefaultRateMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MeasurementInputDiscountRateMember": { "auth_ref": [ "r415" ], "lang": { "en-US": { "role": { "documentation": "Measurement input using interest rate to determine present value of future cash flows.", "label": "Measurement Input Discount Rate [Member]", "terseLabel": "Discount rate" } } }, "localname": "MeasurementInputDiscountRateMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MeasurementInputLossSeverityMember": { "auth_ref": [ "r415" ], "lang": { "en-US": { "role": { "documentation": "Measurement input using loss, including, but not limited to, interest and write-down of principal, incurred on defaulted security as proportion of principal balance.", "label": "Measurement Input Loss Severity [Member]", "terseLabel": "Loss severity" } } }, "localname": "MeasurementInputLossSeverityMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MeasurementInputPrepaymentRateMember": { "auth_ref": [ "r415" ], "lang": { "en-US": { "role": { "documentation": "Measurement input using principal prepayment at other than constant rate as proportion of outstanding loan principal.", "label": "Measurement Input Prepayment Rate [Member]", "terseLabel": "Constant prepayment rate" } } }, "localname": "MeasurementInputPrepaymentRateMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MeasurementInputTypeAxis": { "auth_ref": [ "r415" ], "lang": { "en-US": { "role": { "documentation": "Information by type of measurement input used to determine value of asset and liability.", "label": "Measurement Input Type [Axis]" } } }, "localname": "MeasurementInputTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_MeasurementInputTypeDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Measurement input used to determine value of asset and liability.", "label": "Measurement Input Type [Domain]", "terseLabel": "Measurement Input Type [Domain]" } } }, "localname": "MeasurementInputTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MergersAcquisitionsAndDispositionsDisclosuresTextBlock": { "auth_ref": [ "r1", "r351" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for business combinations, including leverage buyout transactions (as applicable), and divestitures. This may include a description of a business combination or divestiture (or series of individually immaterial business combinations or divestitures) completed during the period, including background, timing, and assets and liabilities recognized and reclassified or sold. This element does not include fixed asset sales and plant closings.", "label": "Mergers, Acquisitions and Dispositions Disclosures [Text Block]", "verboseLabel": "Acquisitions and Divestitures" } } }, "localname": "MergersAcquisitionsAndDispositionsDisclosuresTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAcquisitionsAndDivestitures" ], "xbrltype": "textBlockItemType" }, "us-gaap_MinorityInterest": { "auth_ref": [ "r37", "r492", "r527" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).", "label": "Stockholders' Equity Attributable to Noncontrolling Interest", "terseLabel": "Non-controlling interests in consolidated subsidiaries" } } }, "localname": "MinorityInterest", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders": { "auth_ref": [ "r316" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.", "label": "Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders", "negatedLabel": "Distributions to non-controlling interests" } } }, "localname": "MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_MinorityInterestInJointVentures": { "auth_ref": [ "r353" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying amount of the equity interests owned by noncontrolling shareholders, partners, or other equity holders in joint ventures included in the entity's consolidated financial statements.", "label": "Noncontrolling Interest in Joint Ventures", "terseLabel": "Non-controlling interest" } } }, "localname": "MinorityInterestInJointVentures", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value of securitized, pay-through debt securities collateralized by real estate mortgage loans classified as available-for-sale.", "label": "Mortgage-backed Securities Available-for-sale, Fair Value Disclosure", "terseLabel": "Fair Value" } } }, "localname": "MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_MortgageBackedSecuritiesMember": { "auth_ref": [ "r212", "r322", "r323", "r325", "r544" ], "lang": { "en-US": { "role": { "documentation": "Securities collateralized by mortgage loans.", "label": "Mortgage Backed Securities [Member]", "terseLabel": "CMBS/RMBS" } } }, "localname": "MortgageBackedSecuritiesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MortgageLoansOnRealEstate": { "auth_ref": [ "r557" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.", "label": "Mortgage Loans on Real Estate", "periodEndLabel": "Balance at the end of the period", "periodStartLabel": "Balance at the beginning of the period", "totalLabel": "Carrying Value" } } }, "localname": "MortgageLoansOnRealEstate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_MortgageLoansOnRealEstateCostOfMortgagesSold": { "auth_ref": [ "r559" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of decrease in investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, from sale.", "label": "Mortgage Loans on Real Estate, Cost of Mortgages Sold", "negatedLabel": "Basis of loans sold" } } }, "localname": "MortgageLoansOnRealEstateCostOfMortgagesSold", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_MortgageLoansOnRealEstateNewMortgageLoans": { "auth_ref": [ "r559" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, from new investment.", "label": "Mortgage Loans on Real Estate, New Mortgage Loans", "terseLabel": "Acquisitions/origination/additional funding", "verboseLabel": "Acquisitions and originations of mortgage financing" } } }, "localname": "MortgageLoansOnRealEstateNewMortgageLoans", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails", "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_MovementInMortgageLoansOnRealEstateRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Movement in Mortgage Loans on Real Estate [Roll Forward]", "terseLabel": "Activity in loan portfolio" } } }, "localname": "MovementInMortgageLoansOnRealEstateRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails" ], "xbrltype": "stringItemType" }, "us-gaap_NatureOfOperations": { "auth_ref": [ "r159", "r169" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for the nature of an entity's business, major products or services, principal markets including location, and the relative importance of its operations in each business and the basis for the determination, including but not limited to, assets, revenues, or earnings. For an entity that has not commenced principal operations, disclosures about the risks and uncertainties related to the activities in which the entity is currently engaged and an understanding of what those activities are being directed toward.", "label": "Nature of Operations [Text Block]", "terseLabel": "Business and Organization" } } }, "localname": "NatureOfOperations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureBusinessAndOrganization" ], "xbrltype": "textBlockItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivities": { "auth_ref": [ "r104" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.", "label": "Net Cash Provided by (Used in) Financing Activities", "totalLabel": "Net cash (used in) provided by financing activities" } } }, "localname": "NetCashProvidedByUsedInFinancingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]", "terseLabel": "Cash Flows from Financing Activities:" } } }, "localname": "NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivities": { "auth_ref": [ "r104" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.", "label": "Net Cash Provided by (Used in) Investing Activities", "totalLabel": "Net cash (used in) provided by investing activities" } } }, "localname": "NetCashProvidedByUsedInInvestingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]", "terseLabel": "Cash Flows from Investing Activities:" } } }, "localname": "NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivities": { "auth_ref": [ "r104", "r109", "r112" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.", "label": "Net Cash Provided by (Used in) Operating Activities", "totalLabel": "Net cash provided by (used in) operating activities" } } }, "localname": "NetCashProvidedByUsedInOperatingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]", "terseLabel": "Cash Flows from Operating Activities:" } } }, "localname": "NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_NetIncomeLoss": { "auth_ref": [ "r58", "r61", "r70", "r112", "r154", "r507", "r535" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.", "label": "Net Income (Loss) Attributable to Parent", "totalLabel": "Net income attributable to Starwood Property Trust, Inc." } } }, "localname": "NetIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetIncomeLossAttributableToNoncontrollingInterest": { "auth_ref": [ "r58", "r61", "r361", "r379" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_NetIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of Net Income (Loss) attributable to noncontrolling interest.", "label": "Net Income (Loss) Attributable to Noncontrolling Interest", "negatedLabel": "Net income attributable to Starwood Property Trust, Inc.", "negatedTerseLabel": "Net income attributable to non-controlling interests", "verboseLabel": "Net income attributable to non-controlling interests" } } }, "localname": "NetIncomeLossAttributableToNoncontrollingInterest", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Income (Loss) Available to Common Stockholders, Basic [Abstract]", "terseLabel": "Basic Earnings" } } }, "localname": "NetIncomeLossAvailableToCommonStockholdersBasicAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails" ], "xbrltype": "stringItemType" }, "us-gaap_NetIncomeLossAvailableToCommonStockholdersDilutedAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Income (Loss) Available to Common Stockholders, Diluted [Abstract]", "terseLabel": "Diluted Earnings" } } }, "localname": "NetIncomeLossAvailableToCommonStockholdersDilutedAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails" ], "xbrltype": "stringItemType" }, "us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact.", "label": "New Accounting Pronouncements, Policy [Policy Text Block]", "terseLabel": "Recent Accounting Developments" } } }, "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_NoncashInvestingAndFinancingItemsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Noncash Investing and Financing Items [Abstract]", "terseLabel": "Supplemental disclosure of non-cash investing and financing activities:" } } }, "localname": "NoncashInvestingAndFinancingItemsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance": { "auth_ref": [ "r317", "r358", "r363" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in noncontrolling interest from subsidiary issuance of equity interests to noncontrolling interest holders.", "label": "Noncontrolling Interest, Increase from Subsidiary Equity Issuance", "terseLabel": "Contributions from non-controlling interests" } } }, "localname": "NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_NoncontrollingInterestMember": { "auth_ref": [ "r352" ], "lang": { "en-US": { "role": { "documentation": "This element represents that portion of equity (net assets) in a subsidiary not attributable, directly or indirectly, to the parent. A noncontrolling interest is sometimes called a minority interest.", "label": "Noncontrolling Interest [Member]", "terseLabel": "Non-Controlling Interests" } } }, "localname": "NoncontrollingInterestMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "domainItemType" }, "us-gaap_NondesignatedMember": { "auth_ref": [ "r392" ], "lang": { "en-US": { "role": { "documentation": "Derivative instrument not designated as hedging instrument under Generally Accepted Accounting Principles (GAAP).", "label": "Nondesignated [Member]", "terseLabel": "Derivatives not designated as hedging instruments" } } }, "localname": "NondesignatedMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityFairValueDetails" ], "xbrltype": "domainItemType" }, "us-gaap_NoninterestIncomeOtherOperatingIncome": { "auth_ref": [ "r65", "r504", "r538" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 5.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of revenue earned, classified as other, excluding interest income.", "label": "Noninterest Income, Other Operating Income", "terseLabel": "Other revenues" } } }, "localname": "NoninterestIncomeOtherOperatingIncome", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_NonoperatingIncomeExpense": { "auth_ref": [ "r81" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 3.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).", "label": "Nonoperating Income (Expense)", "totalLabel": "Total other income" } } }, "localname": "NonoperatingIncomeExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_NonoperatingIncomeExpenseAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Nonoperating Income (Expense) [Abstract]", "verboseLabel": "Other income (loss):" } } }, "localname": "NonoperatingIncomeExpenseAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "stringItemType" }, "us-gaap_NotesReduction": { "auth_ref": [ "r115", "r116", "r117" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The value of notes retired (or transferred to another entity) in noncash investing or financing transactions.", "label": "Notes Reduction", "terseLabel": "Settlement of 2019 Convertible Notes in shares" } } }, "localname": "NotesReduction", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_NumberOfReportableSegments": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.", "label": "Number of Reportable Segments", "terseLabel": "Number of reportable business segments" } } }, "localname": "NumberOfReportableSegments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureBusinessAndOrganizationDetails" ], "xbrltype": "integerItemType" }, "us-gaap_OffMarketFavorableLeaseMember": { "auth_ref": [ "r24" ], "lang": { "en-US": { "role": { "documentation": "Identifiable intangible asset established upon acquisition based on a favorable difference between the terms of an acquired lease and the current market terms for that lease.", "label": "Off Market Favorable Lease [Member]", "terseLabel": "Favorable lease" } } }, "localname": "OffMarketFavorableLeaseMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesActivityDetails", "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_OffsettingAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Offsetting Assets and Liabilities" } } }, "localname": "OffsettingAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_OffsettingDerivativeAssetsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Offsetting Derivative Assets [Abstract]", "terseLabel": "Assets" } } }, "localname": "OffsettingDerivativeAssetsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OffsettingDerivativeLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Offsetting Derivative Liabilities [Abstract]", "terseLabel": "Liabilities" } } }, "localname": "OffsettingDerivativeLiabilitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OperatingLeaseLeaseIncome": { "auth_ref": [ "r158", "r446", "r447" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 4.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.", "label": "Operating Leases, Income Statement, Lease Revenue", "terseLabel": "Rental income" } } }, "localname": "OperatingLeaseLeaseIncome", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingSegmentsMember": { "auth_ref": [ "r172", "r182" ], "lang": { "en-US": { "role": { "documentation": "Identifies components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity.", "label": "Operating Segments [Member]", "terseLabel": "Operating segment" } } }, "localname": "OperatingSegmentsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Business and Organization" } } }, "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock": { "auth_ref": [ "r133", "r139", "r169", "r386" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for the general note to the financial statements for the reporting entity which may include, descriptions of the basis of presentation, business description, significant accounting policies, consolidations, reclassifications, new pronouncements not yet adopted and changes in accounting principles.", "label": "Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]", "terseLabel": "Summary of Significant Accounting Policies" } } }, "localname": "OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_OtherAssets": { "auth_ref": [ "r7", "r486", "r521" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 12.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of assets classified as other.", "label": "Other Assets", "terseLabel": "Other assets" } } }, "localname": "OtherAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax": { "auth_ref": [ "r50", "r51", "r54" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncome": { "order": 1.0, "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.", "label": "Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax", "terseLabel": "Available-for-sale securities" } } }, "localname": "OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax": { "auth_ref": [ "r56", "r64" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureAccumulatedOtherComprehensiveIncomeChangesInAociDetails": { "order": 1.0, "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax, before reclassification adjustments of other comprehensive income (loss).", "label": "Other Comprehensive Income (Loss), before Reclassifications, Net of Tax", "terseLabel": "OCI before reclassifications" } } }, "localname": "OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAccumulatedOtherComprehensiveIncomeChangesInAociDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax": { "auth_ref": [ "r48", "r436" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncome": { "order": 2.0, "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.", "label": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax", "terseLabel": "Foreign currency translation" } } }, "localname": "OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossNetOfTax": { "auth_ref": [ "r59", "r62", "r64", "r308" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncome": { "order": 2.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax and reclassification adjustments of other comprehensive income (loss).", "label": "Other Comprehensive Income (Loss), Net of Tax", "terseLabel": "Other comprehensive income (loss), net", "totalLabel": "Other comprehensive income (loss)" } } }, "localname": "OtherComprehensiveIncomeLossNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncome", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Other Comprehensive Income (Loss), Net of Tax [Abstract]", "terseLabel": "Other comprehensive income (loss) (net change by component):" } } }, "localname": "OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "stringItemType" }, "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent": { "auth_ref": [ "r59", "r62", "r355", "r356", "r364" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureAccumulatedOtherComprehensiveIncomeChangesInAociDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of other comprehensive income (loss) attributable to parent entity.", "label": "Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent", "totalLabel": "Net period OCI" } } }, "localname": "OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAccumulatedOtherComprehensiveIncomeChangesInAociDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherNonoperatingIncomeExpense": { "auth_ref": [ "r82" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 9.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of income (expense) related to nonoperating activities, classified as other.", "label": "Other Nonoperating Income (Expense)", "netLabel": "Other income, net", "terseLabel": "Other income (loss), net" } } }, "localname": "OtherNonoperatingIncomeExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherOperatingIncomeExpenseNet": { "auth_ref": [], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 8.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.", "label": "Other Operating Income (Expense), Net", "negatedTerseLabel": "Other expense" } } }, "localname": "OtherOperatingIncomeExpenseNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain": { "auth_ref": [ "r228" ], "lang": { "en-US": { "role": { "documentation": "Provides the categories of debt securities, available-for-sale or held-to-maturity, on which an entity may recognize other than temporary impairments (OTTI) for which a portion related to credit losses has been recognized in earnings and a portion related to all other factors has been recognized in other comprehensive income.", "label": "Other Than Temporary Impairment Credit Losses Recognized In Earnings Categories Of Investments [Domain]", "terseLabel": "Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments [Domain]" } } }, "localname": "OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesTables" ], "xbrltype": "domainItemType" }, "us-gaap_ParentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Portion of equity, or net assets, in the consolidated entity attributable, directly or indirectly, to the parent. Excludes noncontrolling interests.", "label": "Parent [Member]", "terseLabel": "Total Starwood Property Trust, Inc. Stockholders' Equity" } } }, "localname": "ParentMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "domainItemType" }, "us-gaap_PaymentsForDerivativeInstrumentInvestingActivities": { "auth_ref": [ "r91" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 12.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow for derivative instruments during the period, which are classified as investing activities, excluding those designated as hedging instruments.", "label": "Payments for Derivative Instrument, Investing Activities", "negatedLabel": "Payments for purchase or termination of derivatives" } } }, "localname": "PaymentsForDerivativeInstrumentInvestingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale": { "auth_ref": [ "r102", "r108" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 21.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The amount of cash paid for the origination of mortgages that are held for sale.", "label": "Payments for Origination of Mortgage Loans Held-for-sale", "negatedLabel": "Origination and purchase of loans held-for-sale, net of principal collections" } } }, "localname": "PaymentsForOriginationOfMortgageLoansHeldForSale", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsForRepurchaseOfCommonStock": { "auth_ref": [ "r95" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 8.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow to reacquire common stock during the period.", "label": "Payments for Repurchase of Common Stock", "negatedLabel": "Purchase of treasury stock", "verboseLabel": "Repurchase of common stock" } } }, "localname": "PaymentsForRepurchaseOfCommonStock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsOfDebtIssuanceCosts": { "auth_ref": [ "r97" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.", "label": "Payments of Debt Issuance Costs", "terseLabel": "Incurred debt issuance costs" } } }, "localname": "PaymentsOfDebtIssuanceCosts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsOfDividendsCommonStock": { "auth_ref": [ "r95" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 6.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.", "label": "Payments of Dividends", "negatedLabel": "Payment of dividends" } } }, "localname": "PaymentsOfDividendsCommonStock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsOfFinancingCosts": { "auth_ref": [ "r98" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow for loan and debt issuance costs.", "label": "Payments of Financing Costs", "negatedLabel": "Payment of deferred financing costs" } } }, "localname": "PaymentsOfFinancingCosts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsOfStockIssuanceCosts": { "auth_ref": [ "r98" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow for cost incurred directly with the issuance of an equity security.", "label": "Payments of Stock Issuance Costs", "negatedLabel": "Payment of equity offering costs" } } }, "localname": "PaymentsOfStockIssuanceCosts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates": { "auth_ref": [ "r89" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 10.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity).", "label": "Payments to Acquire Businesses and Interest in Affiliates", "negatedLabel": "Investment in unconsolidated entities" } } }, "localname": "PaymentsToAcquireInterestInSubsidiariesAndAffiliates", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquireInvestments": { "auth_ref": [ "r91" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow associated with the purchase of all investments (debt, security, other) during the period.", "label": "Payments to Acquire Investments", "negatedTerseLabel": "Purchase and funding of investment securities" } } }, "localname": "PaymentsToAcquireInvestments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquireLoansHeldForInvestment": { "auth_ref": [ "r88" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow associated with purchasing loans held for investment purposes during the period.", "label": "Payments to Acquire Loans Held-for-investment", "negatedLabel": "Origination and purchase of loans held-for-investment" } } }, "localname": "PaymentsToAcquireLoansHeldForInvestment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquireOtherProductiveAssets": { "auth_ref": [ "r90" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 9.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash outflow for the purchase of or improvements to tangible or intangible assets, used to produce goods or deliver services, classified as other.", "label": "Payments to Acquire Other Productive Assets", "negatedLabel": "Purchases and additions to properties and other assets" } } }, "localname": "PaymentsToAcquireOtherProductiveAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToFundLongtermLoansToRelatedParties": { "auth_ref": [ "r88", "r448" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow associated with extending a long-term loan to a related party. Alternate caption: Payments for Advances to Affiliates.", "label": "Payments to Fund Long-term Loans to Related Parties" } } }, "localname": "PaymentsToFundLongtermLoansToRelatedParties", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToMinorityShareholders": { "auth_ref": [ "r98" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 7.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.", "label": "Payments to Noncontrolling Interests", "negatedLabel": "Distributions to non-controlling interests" } } }, "localname": "PaymentsToMinorityShareholders", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PlanNameAxis": { "auth_ref": [ "r329", "r340" ], "lang": { "en-US": { "role": { "documentation": "Information by plan name for share-based payment arrangement.", "label": "Plan Name [Axis]" } } }, "localname": "PlanNameAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsEquityIncentivePlansDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsNonVestedSharesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PlanNameDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Plan name for share-based payment arrangement.", "label": "Plan Name [Domain]", "terseLabel": "Plan Name [Domain]" } } }, "localname": "PlanNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsEquityIncentivePlansDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsNonVestedSharesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PledgedFinancialInstrumentsNotSeparatelyReportedMortgageRelatedSecuritiesAvailableForSaleOrHeldForInvestment": { "auth_ref": [ "r466" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The carrying amount as of the date of the latest financial statement presented of mortgage-related securities classified as available for sale or held for investment which are owned but transferred to another party to serve as collateral to partially or fully secure a debt obligation, repurchase agreement or other current or potential obligation, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party.", "label": "Pledged Financial Instruments, Not Separately Reported, Mortgage-Related Securities Available-for-sale or Held-for-investment", "terseLabel": "Pledged Asset Carrying Value", "verboseLabel": "Carrying value" } } }, "localname": "PledgedFinancialInstrumentsNotSeparatelyReportedMortgageRelatedSecuritiesAvailableForSaleOrHeldForInvestment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PortionAtFairValueFairValueDisclosureMember": { "auth_ref": [ "r426" ], "lang": { "en-US": { "role": { "documentation": "Measured at fair value for financial reporting purposes.", "label": "Portion At Fair Value Fair Value Disclosure [Member]", "terseLabel": "Portion at Fair Value Measurement [Member]" } } }, "localname": "PortionAtFairValueFairValueDisclosureMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialInstrumentsNotCarriedAtFairValueDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PortionAtOtherThanFairValueFairValueDisclosureMember": { "auth_ref": [ "r426" ], "lang": { "en-US": { "role": { "documentation": "Not measured at fair value.", "label": "Portion At Other Than Fair Value Fair Value Disclosure [Member]", "terseLabel": "Fair Value" } } }, "localname": "PortionAtOtherThanFairValueFairValueDisclosureMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialInstrumentsNotCarriedAtFairValueDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PositionAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by position taken for a security.", "label": "Position [Axis]" } } }, "localname": "PositionAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PositionDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicates position taken for a security.", "label": "Position [Domain]", "terseLabel": "Position [Domain]" } } }, "localname": "PositionDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PreferredStockLiquidationPreferenceValue": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Value of the difference between preference in liquidation and the par or stated values of the preferred shares.", "label": "Preferred Stock, Liquidation Preference, Value", "terseLabel": "Liquidation preference" } } }, "localname": "PreferredStockLiquidationPreferenceValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PreferredStockParOrStatedValuePerShare": { "auth_ref": [ "r14" ], "lang": { "en-US": { "role": { "documentation": "Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.", "label": "Preferred Stock, Par or Stated Value Per Share", "terseLabel": "Preferred stock, par value (in dollars per share)" } } }, "localname": "PreferredStockParOrStatedValuePerShare", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "perShareItemType" }, "us-gaap_PreferredStockSharesAuthorized": { "auth_ref": [ "r14" ], "lang": { "en-US": { "role": { "documentation": "The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.", "label": "Preferred Stock, Shares Authorized", "terseLabel": "Preferred stock, shares authorized" } } }, "localname": "PreferredStockSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockSharesIssued": { "auth_ref": [ "r14" ], "lang": { "en-US": { "role": { "documentation": "Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.", "label": "Preferred Stock, Shares Issued", "terseLabel": "Preferred stock, shares issued" } } }, "localname": "PreferredStockSharesIssued", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockSharesOutstanding": { "auth_ref": [ "r14" ], "lang": { "en-US": { "role": { "documentation": "Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.", "label": "Preferred Stock, Shares Outstanding", "terseLabel": "Preferred stock, shares outstanding" } } }, "localname": "PreferredStockSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockValue": { "auth_ref": [ "r14" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.", "label": "Preferred Stock, Value, Issued", "verboseLabel": "Preferred stock, $0.01 per share, 100,000,000 shares authorized, no shares issued and outstanding" } } }, "localname": "PreferredStockValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromContributionsFromAffiliates": { "auth_ref": [ "r94" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 12.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from an entity that is affiliated with the entity by means of direct or indirect ownership.", "label": "Proceed from Distributions of Cash from Consolidated Variable Interest Entity", "terseLabel": "Distributions of cash from consolidated VIEs" } } }, "localname": "ProceedsFromContributionsFromAffiliates", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromDerivativeInstrumentInvestingActivities": { "auth_ref": [ "r87" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 13.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow provided by derivative instruments during the period, which are classified as investing activities, excluding those designated as hedging instruments.", "label": "Proceeds from Derivative Instrument, Investing Activities", "terseLabel": "Proceeds from termination of derivatives" } } }, "localname": "ProceedsFromDerivativeInstrumentInvestingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital": { "auth_ref": [ "r85", "r103" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 11.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of distribution received from equity method investee for return of investment, classified as investing activities. Excludes distribution for return on investment, classified as operating activities.", "label": "Proceeds from Equity Method Investment, Dividends or Distributions, Return of Capital", "terseLabel": "Distribution of capital from unconsolidated entities", "verboseLabel": "Capital distribution" } } }, "localname": "ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromIssuanceOfCommonStock": { "auth_ref": [ "r92" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from the additional capital contribution to the entity.", "label": "Proceeds from Issuance of Common Stock", "terseLabel": "Proceeds from common stock issuances" } } }, "localname": "ProceedsFromIssuanceOfCommonStock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromIssuanceOfLongTermDebt": { "auth_ref": [ "r93" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.", "label": "Proceeds from Issuance of Secured Debt", "terseLabel": "Proceeds from borrowings" } } }, "localname": "ProceedsFromIssuanceOfLongTermDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromLoanAndLeaseOriginationsAndPrincipalCollections1": { "auth_ref": [ "r87" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 6.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Cash inflow related to a loan origination (the process when securing a mortgage for a piece of real property), lease origination, and principal collections.", "label": "Proceeds from Loan and Lease Originations and Principal Collections", "terseLabel": "Proceeds from principal collections on loans" } } }, "localname": "ProceedsFromLoanAndLeaseOriginationsAndPrincipalCollections1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromMinorityShareholders": { "auth_ref": [ "r94" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 9.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership.", "label": "Proceeds from Noncontrolling Interests", "terseLabel": "Contributions from non-controlling interests" } } }, "localname": "ProceedsFromMinorityShareholders", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromSaleOfEquityMethodInvestments": { "auth_ref": [ "r85" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.", "label": "Proceeds from Sale of Equity Method Investments", "terseLabel": "Cash proceeds" } } }, "localname": "ProceedsFromSaleOfEquityMethodInvestments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentInUnconsolidatedEntitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromSaleOfLoansHeldForInvestment": { "auth_ref": [ "r84" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 7.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from Sales of Loans Held For Investment.", "label": "Proceeds from Sale of Loans Held-for-investment", "terseLabel": "Proceeds from loans sold" } } }, "localname": "ProceedsFromSaleOfLoansHeldForInvestment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromSaleOfLoansHeldForSale": { "auth_ref": [ "r99", "r102" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 22.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow resulting from the sale of loans classified as held-for-sale, including proceeds from loans sold through mortgage securitization.", "label": "Proceeds from Sale of Loans Held-for-sale", "terseLabel": "Proceeds from sale of loans held-for-sale" } } }, "localname": "ProceedsFromSaleOfLoansHeldForSale", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromSaleOfMortgageLoansHeldForSale": { "auth_ref": [ "r102", "r105" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from sales of loans that are secured with real estate mortgages and are held with the intention to resell in the near future.", "label": "Proceeds from Sale of Mortgage Loans Held-for-sale", "terseLabel": "Proceeds" } } }, "localname": "ProceedsFromSaleOfMortgageLoansHeldForSale", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromSaleOfOtherRealEstate": { "auth_ref": [ "r87" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 8.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow associated with the sale of other real estate not otherwise defined in the taxonomy.", "label": "Proceeds from Sale of Other Real Estate", "terseLabel": "Proceeds from sales of real estate" } } }, "localname": "ProceedsFromSaleOfOtherRealEstate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromSaleOfRealEstate": { "auth_ref": [ "r86" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Cash received for the sale of real estate that is not part of an investing activity during the current period.", "label": "Proceeds from Sale of Real Estate", "terseLabel": "Proceeds from sale of operating properties" } } }, "localname": "ProceedsFromSaleOfRealEstate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment": { "auth_ref": [ "r86" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Cash received from the sale of real estate that is held for investment, that is, it is part of an investing activity during the period.", "label": "Proceeds from Sale of Real Estate Held-for-investment", "terseLabel": "Proceeds from sale of property" } } }, "localname": "ProceedsFromSaleOfRealEstateHeldforinvestment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAcquisitionsAndDivestituresDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProfitLoss": { "auth_ref": [ "r58", "r61", "r101", "r176", "r183", "r355", "r360", "r362", "r379", "r380" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncome": { "order": 1.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest", "weight": 1.0 }, "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_NetIncomeLoss", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.", "label": "Net Income (Loss), Including Portion Attributable to Noncontrolling Interest", "netLabel": "Net income", "totalLabel": "Net income" } } }, "localname": "ProfitLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncome", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Property, Plant and Equipment [Line Items]" } } }, "localname": "PropertyPlantAndEquipmentLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureCommitmentsAndContingenciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ProvisionForLoanAndLeaseLosses": { "auth_ref": [ "r110", "r191", "r510" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of expense related to estimated loss from loan and lease transactions.", "label": "Provision for Loan and Lease Losses", "negatedLabel": "Credit loss provision, net" } } }, "localname": "ProvisionForLoanAndLeaseLosses", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RealEstateAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Properties" } } }, "localname": "RealEstateAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_RealEstateDisclosureTextBlock": { "auth_ref": [ "r562", "r563", "r564", "r565", "r566" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for certain real estate investment financial statements, real estate investment trust operating support agreements, real estate owned, retail land sales, time share transactions, as well as other real estate related disclosures.", "label": "Real Estate Disclosure [Text Block]", "terseLabel": "Properties" } } }, "localname": "RealEstateDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureProperties" ], "xbrltype": "textBlockItemType" }, "us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation": { "auth_ref": [ "r530" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails": { "order": 1.0, "parentTag": "us-gaap_RealEstateInvestmentPropertyNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cumulative amount of depreciation for real estate property held for investment purposes.", "label": "Real Estate Investment Property, Accumulated Depreciation", "negatedLabel": "Less: accumulated depreciation" } } }, "localname": "RealEstateInvestmentPropertyAccumulatedDepreciation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RealEstateInvestmentPropertyAtCost": { "auth_ref": [ "r531" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails": { "order": 2.0, "parentTag": "us-gaap_RealEstateInvestmentPropertyNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.", "label": "Real Estate Investment Property, at Cost", "totalLabel": "Properties, cost" } } }, "localname": "RealEstateInvestmentPropertyAtCost", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RealEstateInvestmentPropertyAtCostAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Real Estate Investment Property, at Cost [Abstract]", "terseLabel": "Summary of properties" } } }, "localname": "RealEstateInvestmentPropertyAtCostAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RealEstateInvestmentPropertyNet": { "auth_ref": [ "r531" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 7.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.", "label": "Real Estate Investment Property, Net", "terseLabel": "Properties, net", "totalLabel": "Properties, net" } } }, "localname": "RealEstateInvestmentPropertyNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_ReceivablesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Loans" } } }, "localname": "ReceivablesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]", "terseLabel": "Changes in AOCI by component" } } }, "localname": "ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAccumulatedOtherComprehensiveIncomeChangesInAociDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyDomain": { "auth_ref": [ "r455" ], "lang": { "en-US": { "role": { "documentation": "Related parties include affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests.", "label": "Related Party [Domain]", "terseLabel": "Related Party [Domain]" } } }, "localname": "RelatedPartyDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RelatedPartyTransactionAxis": { "auth_ref": [ "r324", "r450", "r451" ], "lang": { "en-US": { "role": { "documentation": "Information by type of related party transaction.", "label": "Related Party Transaction [Axis]" } } }, "localname": "RelatedPartyTransactionAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Transaction between related party.", "label": "Related Party Transaction [Domain]", "terseLabel": "Related Party Transaction [Domain]" } } }, "localname": "RelatedPartyTransactionDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty": { "auth_ref": [ "r448" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.", "label": "Related Party Transaction, Expenses from Transactions with Related Party", "terseLabel": "Payments to related party" } } }, "localname": "RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RelatedPartyTransactionLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Related Party Transaction [Line Items]", "terseLabel": "Related-Party Transactions" } } }, "localname": "RelatedPartyTransactionLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Related-Party Transactions" } } }, "localname": "RelatedPartyTransactionsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionsByRelatedPartyAxis": { "auth_ref": [ "r324", "r450", "r451", "r471", "r472", "r473", "r474", "r475", "r476", "r477", "r478", "r479", "r480", "r481", "r482" ], "lang": { "en-US": { "role": { "documentation": "Information by type of related party. Related parties include, but not limited to, affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests.", "label": "Related Party [Axis]" } } }, "localname": "RelatedPartyTransactionsByRelatedPartyAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionsDisclosureTextBlock": { "auth_ref": [ "r455" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.", "label": "Related Party Transactions Disclosure [Text Block]", "terseLabel": "Related-Party Transactions" } } }, "localname": "RelatedPartyTransactionsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactions" ], "xbrltype": "textBlockItemType" }, "us-gaap_RepaymentsOfLongTermDebt": { "auth_ref": [ "r96" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.", "label": "Repayments of Long-term Debt", "negatedLabel": "Principal repayments on and repurchases of borrowings", "terseLabel": "Payment of debt" } } }, "localname": "RepaymentsOfLongTermDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_RepurchaseAgreementsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Investments represented by an agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Such agreements are generally short-term in nature.", "label": "Repurchase Agreements [Member]", "terseLabel": "Repurchase Agreements" } } }, "localname": "RepurchaseAgreementsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ResidentialMortgageBackedSecuritiesMember": { "auth_ref": [ "r212", "r322" ], "lang": { "en-US": { "role": { "documentation": "Securities collateralized by residential real estate mortgage loans.", "label": "Residential Mortgage Backed Securities [Member]", "terseLabel": "RMBS" } } }, "localname": "ResidentialMortgageBackedSecuritiesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureCommitmentsAndContingenciesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ResidentialMortgageMember": { "auth_ref": [ "r258" ], "lang": { "en-US": { "role": { "documentation": "Loan to purchase or refinance residential real estate for example, but not limited to, a home, in which the real estate itself serves as collateral for the loan.", "label": "Residential Mortgage [Member]", "terseLabel": "Residential Loans" } } }, "localname": "ResidentialMortgageMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ResidentialPortfolioSegmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Portfolio segment of the company's total financing receivables related to residential financing receivables.", "label": "Residential Portfolio Segment [Member]", "terseLabel": "Residential Portfolio Segment" } } }, "localname": "ResidentialPortfolioSegmentMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RestrictedCashAndCashEquivalents": { "auth_ref": [ "r5", "r113", "r118", "r485", "r525" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.", "label": "Restricted Cash and Cash Equivalents", "terseLabel": "Restricted cash" } } }, "localname": "RestrictedCashAndCashEquivalents", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestrictedStockMember": { "auth_ref": [ "r153" ], "lang": { "en-US": { "role": { "documentation": "Stock including a provision that prohibits sale or substantive sale of an equity instrument for a specified period of time or until specified performance conditions are met.", "label": "Restricted Stock [Member]", "terseLabel": "Restricted stock" } } }, "localname": "RestrictedStockMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDilutiveAndAntidilutiveSecuritiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RestrictedStockUnitsRSUMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Share instrument which is convertible to stock or an equivalent amount of cash, after a specified period of time or when specified performance conditions are met.", "label": "Restricted Stock Units R S U [Member]", "terseLabel": "Restricted stock units" } } }, "localname": "RestrictedStockUnitsRSUMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsEquityIncentivePlansDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RetainedEarningsAccumulatedDeficit": { "auth_ref": [ "r17", "r316", "r526" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 6.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.", "label": "Retained Earnings (Accumulated Deficit).", "terseLabel": "Retained earnings (accumulated deficit)", "verboseLabel": "Accumulated deficit" } } }, "localname": "RetainedEarningsAccumulatedDeficit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_RetainedEarningsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.", "label": "Retained Earnings [Member]", "terseLabel": "Accumulated Deficit" } } }, "localname": "RetainedEarningsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "domainItemType" }, "us-gaap_RevenueFromContractWithCustomerPolicyTextBlock": { "auth_ref": [ "r120", "r321" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for revenue from contract with customer.", "label": "Revenue from Contract with Customer [Policy Text Block]", "terseLabel": "Revenue Recognition" } } }, "localname": "RevenueFromContractWithCustomerPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_Revenues": { "auth_ref": [ "r67", "r171", "r172", "r181" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).", "label": "Revenues", "totalLabel": "Total revenues" } } }, "localname": "Revenues", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_RevenuesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Revenues [Abstract]", "terseLabel": "Revenues:" } } }, "localname": "RevenuesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RevolvingCreditFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Arrangement in which loan proceeds can continuously be obtained following repayments, but the total amount borrowed cannot exceed a specified maximum amount.", "label": "Revolving Credit Facility [Member]", "terseLabel": "Revolving credit facility" } } }, "localname": "RevolvingCreditFacilityMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability": { "auth_ref": [ "r444", "r445" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in right-of-use asset obtained in exchange for operating lease liability.", "label": "Right-of-Use Asset Obtained in Exchange for Operating Lease Liability", "terseLabel": "Lease liabilities arising from obtaining right-of-use assets" } } }, "localname": "RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ScenarioAdjustmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Domain member used to indicate figures that are adjustments during a period or as of a point in time. This domain member would never be expected to appear in a relationship group without the \"Scenario, Previously Reported\" Member with the same parent.", "label": "Scenario Adjustment [Member]", "terseLabel": "Measurement Period Adjustments" } } }, "localname": "ScenarioAdjustmentMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock": { "auth_ref": [ "r35" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.", "label": "Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]", "terseLabel": "Summary of investments in mortgages and loans by subordination class" } } }, "localname": "ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock": { "auth_ref": [ "r56" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the components of accumulated other comprehensive income (loss).", "label": "Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]", "terseLabel": "Schedule of changes in AOCI by component" } } }, "localname": "ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAccumulatedOtherComprehensiveIncomeTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Schedule of Available-for-sale Securities [Line Items]", "terseLabel": "Investment Securities" } } }, "localname": "ScheduleOfAvailableForSaleSecuritiesLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable": { "auth_ref": [ "r348", "r349" ], "lang": { "en-US": { "role": { "documentation": "Schedule reflecting each material business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities.", "label": "Schedule of Business Acquisitions, by Acquisition [Table]" } } }, "localname": "ScheduleOfBusinessAcquisitionsByAcquisitionTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAcquisitionsAndDivestituresDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfCashFlowHedgesIncludedInAccumulatedOtherComprehensiveIncomeLossTableTextBlock": { "auth_ref": [ "r399" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of gain (loss) on derivative and nonderivative instruments designated and qualifying as cash flow hedge recorded in accumulated other comprehensive income (AOCI) and reclassified into earnings.", "label": "Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block]", "terseLabel": "Schedule of effect of derivative financial instruments on the consolidated statements of operations and of comprehensive income" } } }, "localname": "ScheduleOfCashFlowHedgesIncludedInAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfCreditLossesRelatedToFinancingReceivablesNoncurrentTableTextBlock": { "auth_ref": [ "r189", "r244" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of allowance for credit loss of financing receivable, classified as noncurrent.", "label": "Schedule of Credit Losses Related to Financing Receivables, Current and Noncurrent [Table Text Block]", "terseLabel": "Schedule of activity in allowance for loan losses" } } }, "localname": "ScheduleOfCreditLossesRelatedToFinancingReceivablesNoncurrentTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDebtTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation.", "label": "Schedule of Debt [Table Text Block]", "terseLabel": "Summary of secured financing agreements" } } }, "localname": "ScheduleOfDebtTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock": { "auth_ref": [ "r398" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.", "label": "Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]", "terseLabel": "Schedule of fair values of derivative financial instruments" } } }, "localname": "ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDerivativeInstrumentsTextBlock": { "auth_ref": [ "r131", "r388", "r390", "r391", "r392", "r393", "r398", "r400", "r405", "r408" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item.", "label": "Schedule of Derivative Instruments [Table Text Block]", "terseLabel": "Summary of foreign exchange (\"Fx\") forwards, interest rate swaps, interest rate caps and credit index instruments" } } }, "localname": "ScheduleOfDerivativeInstrumentsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock": { "auth_ref": [ "r154" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.", "label": "Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]", "verboseLabel": "Reconciliation of net income from continuing operations and the number of shares of common stock used in the computation of basic EPS and diluted EPS" } } }, "localname": "ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable": { "auth_ref": [ "r78", "r143", "r145", "r147", "r152", "r156" ], "lang": { "en-US": { "role": { "documentation": "Complete disclosure pertaining to an entity's diluted earnings per share.", "label": "Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table]" } } }, "localname": "ScheduleOfEarningsPerShareDilutedByCommonClassTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDilutiveAndAntidilutiveSecuritiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock": { "auth_ref": [ "r343" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.", "label": "Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]", "terseLabel": "Schedule of reconciliation of federal income tax determined using statutory federal tax rate to reported income tax provision" } } }, "localname": "ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock": { "auth_ref": [ "r412", "r413" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).", "label": "Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]", "terseLabel": "Schedule of financial assets and liabilities carried at fair value on a recurring basis" } } }, "localname": "ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Schedule of Held-to-maturity Securities [Line Items]", "terseLabel": "HTM Securities" } } }, "localname": "ScheduleOfHeldToMaturitySecuritiesLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfHeldToMaturitySecuritiesTable": { "auth_ref": [ "r225" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about investment in debt security measured at amortized cost (held-to-maturity).", "label": "Schedule of Held-to-maturity Securities [Table]" } } }, "localname": "ScheduleOfHeldToMaturitySecuritiesTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock": { "auth_ref": [ "r294" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented.", "label": "Schedule of Maturities of Long-term Debt [Table Text Block]", "terseLabel": "Schedule of five-year principal repayments for secured financings" } } }, "localname": "ScheduleOfMaturitiesOfLongTermDebtTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfPropertyPlantAndEquipmentTable": { "auth_ref": [ "r23", "r284" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.", "label": "Property, Plant and Equipment [Table]" } } }, "localname": "ScheduleOfPropertyPlantAndEquipmentTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureCommitmentsAndContingenciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable": { "auth_ref": [ "r123", "r450", "r451", "r452", "r453", "r454" ], "lang": { "en-US": { "role": { "documentation": "Schedule of quantitative and qualitative information pertaining to related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.", "label": "Schedule of Related Party Transactions, by Related Party [Table]" } } }, "localname": "ScheduleOfRelatedPartyTransactionsByRelatedPartyTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable": { "auth_ref": [ "r170", "r176", "r178", "r179", "r268" ], "lang": { "en-US": { "role": { "documentation": "A table disclosing the profit or loss and total assets for each reportable segment of the entity. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.", "label": "Schedule of Segment Reporting Information, by Segment [Table]" } } }, "localname": "ScheduleOfSegmentReportingInformationBySegmentTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable": { "auth_ref": [ "r329", "r340" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about share-based payment arrangement.", "label": "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]" } } }, "localname": "ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsEquityIncentivePlansDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsNonVestedSharesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.", "label": "Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]", "terseLabel": "Schedule of Non-Vested Shares and Share Equivalents" } } }, "localname": "ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfStockByClassTable": { "auth_ref": [ "r32", "r124", "r305", "r306", "r307", "r309", "r310", "r311", "r313", "r314", "r315", "r316" ], "lang": { "en-US": { "role": { "documentation": "Schedule detailing information related to equity by class of stock. Class of stock includes common, convertible, and preferred stocks which are not redeemable or redeemable solely at the option of the issuer. It also includes preferred stock with redemption features that are solely within the control of the issuer and mandatorily redeemable stock if redemption is required to occur only upon liquidation or termination of the reporting entity.", "label": "Schedule of Stock by Class [Table]" } } }, "localname": "ScheduleOfStockByClassTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock": { "auth_ref": [ "r226" ], "lang": { "en-US": { "role": { "documentation": "For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value).", "label": "Schedule of Unrealized Loss on Investments [Table Text Block]", "terseLabel": "Schedule of gross unrealized losses and estimated fair value of securities in an unrealized loss position, excluding CMBS where the fair value option is elected" } } }, "localname": "ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfVariableInterestEntitiesTable": { "auth_ref": [ "r367", "r371", "r373", "r376", "r377" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of qualitative and quantitative information related to variable interests the entity holds, whether or not such variable interest entity (VIE) is included in the reporting entity's consolidated financial statements. Includes, but is not limited to, description of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a tabular comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide.", "label": "Schedule of Variable Interest Entities [Table]" } } }, "localname": "ScheduleOfVariableInterestEntitiesTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesAssetsAndLiabilitiesOfConsolidatedCloDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfVariableInterestEntitiesTextBlock": { "auth_ref": [ "r367", "r371", "r373", "r376", "r377" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide.", "label": "Schedule of Variable Interest Entities [Table Text Block]", "terseLabel": "Summary of assets and liabilities of our consolidated CLO" } } }, "localname": "ScheduleOfVariableInterestEntitiesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock": { "auth_ref": [ "r275" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.", "label": "Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]", "terseLabel": "Schedule of future amortization expense" } } }, "localname": "ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_SecondMortgageMember": { "auth_ref": [ "r558" ], "lang": { "en-US": { "role": { "documentation": "Loan secured by real property that is lower or subordinate to other loans on such property in the event of default by the borrower.", "label": "Second Mortgage [Member]", "terseLabel": "Subordinated mortgages" } } }, "localname": "SecondMortgageMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansRatingsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SecuredDebt": { "auth_ref": [ "r11", "r490", "r524" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.", "label": "Secured Debt", "terseLabel": "Secured financing agreements, net", "totalLabel": "Carrying Value" } } }, "localname": "SecuredDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_SecuredDebtMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Collateralized debt obligation backed by, for example, but not limited to, pledge, mortgage or other lien on the entity's assets.", "label": "Secured Debt [Member]", "terseLabel": "Secured Borrowings" } } }, "localname": "SecuredDebtMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowings", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsPrincipalRepaymentsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsRepurchaseAgreementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SecuredLongtermDebtCurrentAndNoncurrentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Secured Borrowings" } } }, "localname": "SecuredLongtermDebtCurrentAndNoncurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_SecurityDeposit": { "auth_ref": [ "r39" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease.", "label": "Security Deposit" } } }, "localname": "SecurityDeposit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SegmentDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity.", "label": "Segment [Domain]", "terseLabel": "Segments [Domain]" } } }, "localname": "SegmentDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAcquisitionsAndDivestituresDetails", "http://www.starwoodpropertytrust.com/role/DisclosureCommitmentsAndContingenciesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesTables", "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SegmentReportingAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Segment Data" } } }, "localname": "SegmentReportingAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_SegmentReportingDisclosureTextBlock": { "auth_ref": [ "r185" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.", "label": "Segment Reporting Disclosure [Text Block]", "verboseLabel": "Segment Data" } } }, "localname": "SegmentReportingDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentData" ], "xbrltype": "textBlockItemType" }, "us-gaap_SegmentReportingInformationLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Segment Reporting Information [Line Items]", "terseLabel": "Segment data" } } }, "localname": "SegmentReportingInformationLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SeniorNotesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Bond that takes priority over other debt securities sold by the issuer. In the event the issuer goes bankrupt, senior debt holders receive priority for (must receive) repayment prior to (relative to) junior and unsecured (general) creditors.", "label": "Senior Notes [Member]", "terseLabel": "Senior Notes" } } }, "localname": "SeniorNotesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ServicingAssetAtFairValueAmount": { "auth_ref": [ "r467", "r468" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails": { "order": 4.0, "parentTag": "us-gaap_AssetsFairValueDisclosure", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.", "label": "Servicing Asset at Fair Value, Amount", "terseLabel": "Intangible assets held at fair value", "verboseLabel": "Domestic servicing rights" } } }, "localname": "ServicingAssetAtFairValueAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "monetaryItemType" }, "us-gaap_ServicingAssetMeasurementInput": { "auth_ref": [ "r417" ], "lang": { "en-US": { "role": { "documentation": "Value of input used to measure servicing asset.", "label": "Servicing Asset, Measurement Input", "terseLabel": "Servicing asset, measurement input" } } }, "localname": "ServicingAssetMeasurementInput", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "decimalItemType" }, "us-gaap_ServicingAssetValuationTechniqueExtensibleList": { "auth_ref": [ "r416" ], "lang": { "en-US": { "role": { "documentation": "Indicates valuation technique for measuring servicing asset.", "label": "Servicing Asset, Valuation Technique [Extensible List]" } } }, "localname": "ServicingAssetValuationTechniqueExtensibleList", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "extensibleListItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1": { "auth_ref": [ "r330" ], "lang": { "en-US": { "role": { "documentation": "Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period", "terseLabel": "Award vesting period" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsEquityIncentivePlansDetails" ], "xbrltype": "durationItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod": { "auth_ref": [ "r333" ], "lang": { "en-US": { "role": { "documentation": "The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period", "negatedTerseLabel": "Forfeited (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsNonVestedSharesDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue": { "auth_ref": [ "r337" ], "lang": { "en-US": { "role": { "documentation": "Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value", "terseLabel": "Forfeited (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsNonVestedSharesDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod": { "auth_ref": [ "r335" ], "lang": { "en-US": { "role": { "documentation": "The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period", "terseLabel": "Granted (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsEquityIncentivePlansDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsNonVestedSharesDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue": { "auth_ref": [ "r335" ], "lang": { "en-US": { "role": { "documentation": "The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value", "verboseLabel": "Granted (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsNonVestedSharesDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber": { "auth_ref": [ "r334" ], "lang": { "en-US": { "role": { "documentation": "The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number", "periodEndLabel": "Balance at the end of the period (in shares)", "periodStartLabel": "Balance at the beginning of the period (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsNonVestedSharesDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]", "terseLabel": "Non-Vested Shares and Share Equivalents activity" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsNonVestedSharesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue": { "auth_ref": [ "r334" ], "lang": { "en-US": { "role": { "documentation": "Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value", "periodEndLabel": "Balance at the end of period (in dollars per share)", "periodStartLabel": "Balance at the beginning of period (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsNonVestedSharesDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]", "terseLabel": "Weighted Average Grant Date Fair Value (per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsNonVestedSharesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod": { "auth_ref": [ "r336" ], "lang": { "en-US": { "role": { "documentation": "The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period", "negatedTerseLabel": "Vested (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsNonVestedSharesDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue": { "auth_ref": [ "r336" ], "lang": { "en-US": { "role": { "documentation": "The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value", "terseLabel": "Vested (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsNonVestedSharesDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]", "terseLabel": "Equity Incentive Plans" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsEquityIncentivePlansDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsNonVestedSharesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized": { "auth_ref": [ "r331" ], "lang": { "en-US": { "role": { "documentation": "Number of shares authorized for issuance under share-based payment arrangement.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized", "terseLabel": "Number of shares of authorized for issuance" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsEquityIncentivePlansDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant": { "auth_ref": [ "r340" ], "lang": { "en-US": { "role": { "documentation": "The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant", "terseLabel": "Number of shares available for future grants" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsEquityIncentivePlansDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": { "auth_ref": [ "r326", "r332" ], "lang": { "en-US": { "role": { "documentation": "Award under share-based payment arrangement.", "label": "Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain]", "terseLabel": "Equity Award [Domain]" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsEquityIncentivePlansDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ShareBasedCompensationAwardTrancheOneMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "First portion of award under share-based payment arrangement differentiated by vesting feature, including, but not limited to, performance measure or service period.", "label": "Share Based Compensation Award Tranche One [Member]", "terseLabel": "Vested immediately on the grant date" } } }, "localname": "ShareBasedCompensationAwardTrancheOneMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsEquityIncentivePlansDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ShareBasedCompensationAwardTrancheTwoMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Second portion of award under share-based payment arrangement differentiated by vesting feature, including, but not limited to, performance measure or service period.", "label": "Share Based Compensation Award Tranche Two [Member]", "terseLabel": "Remaining vesting" } } }, "localname": "ShareBasedCompensationAwardTrancheTwoMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsEquityIncentivePlansDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SharePrice": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Price of a single share of a number of saleable stocks of a company.", "label": "Share Price", "terseLabel": "Closing share price (in dollars per share)" } } }, "localname": "SharePrice", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock": { "auth_ref": [ "r320", "r342" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for shareholders' equity and share-based payment arrangement. Includes, but is not limited to, disclosure of policy and terms of share-based payment arrangement, deferred compensation arrangement, and employee stock purchase plan (ESPP).", "label": "Shareholders' Equity and Share-based Payments [Text Block]", "verboseLabel": "Stockholders' Equity and Non-Controlling Interests" } } }, "localname": "ShareholdersEquityAndShareBasedPaymentsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterests" ], "xbrltype": "textBlockItemType" }, "us-gaap_ShortMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicates the sale of a borrowed security or written option.", "label": "Short [Member]", "terseLabel": "Short" } } }, "localname": "ShortMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureDerivativesAndHedgingActivityDesignatedAndNonDesignatedHedgesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_StatementBusinessSegmentsAxis": { "auth_ref": [ "r0", "r176", "r268", "r285", "r286", "r287", "r543" ], "lang": { "en-US": { "role": { "documentation": "Information by business segments.", "label": "Segments [Axis]" } } }, "localname": "StatementBusinessSegmentsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAcquisitionsAndDivestituresDetails", "http://www.starwoodpropertytrust.com/role/DisclosureCommitmentsAndContingenciesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureGoodwillAndIntangiblesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureIncomeTaxesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesTables", "http://www.starwoodpropertytrust.com/role/DisclosurePropertiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_StatementEquityComponentsAxis": { "auth_ref": [ "r34", "r308" ], "lang": { "en-US": { "role": { "documentation": "Information by component of equity.", "label": "Equity Components [Axis]" } } }, "localname": "StatementEquityComponentsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureAccumulatedOtherComprehensiveIncomeChangesInAociDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "stringItemType" }, "us-gaap_StatementLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Statement [Line Items]", "terseLabel": "Statement" } } }, "localname": "StatementLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesTables", "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesTables", "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "stringItemType" }, "us-gaap_StatementOfCashFlowsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Condensed Consolidated Statements of Cash Flows" } } }, "localname": "StatementOfCashFlowsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfFinancialPositionAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Condensed Consolidated Balance Sheets" } } }, "localname": "StatementOfFinancialPositionAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Consolidated Statements of Comprehensive Income" } } }, "localname": "StatementOfIncomeAndComprehensiveIncomeAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfStockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Condensed Consolidated Statements of Equity" } } }, "localname": "StatementOfStockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule reflecting a Statement of Income, Statement of Cash Flows, Statement of Financial Position, Statement of Shareholders' Equity and Other Comprehensive Income, or other statement as needed.", "label": "Statement [Table]" } } }, "localname": "StatementTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesTables", "http://www.starwoodpropertytrust.com/role/DisclosureLoanSecuritizationSaleActivitiesTables", "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "stringItemType" }, "us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities": { "auth_ref": [ "r33", "r308", "r309", "r316" ], "lang": { "en-US": { "role": { "documentation": "Number of shares issued during the period as a result of the conversion of convertible securities.", "label": "Stock Issued During Period, Shares, Conversion of Convertible Securities", "terseLabel": "Conversion of 2019 Convertible Notes (Shares)" } } }, "localname": "StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan": { "auth_ref": [ "r308" ], "lang": { "en-US": { "role": { "documentation": "Number of shares issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the shareholders to reinvest dividends paid to them by the entity on new issues of stock by the entity.", "label": "Stock Issued During Period, Shares, Dividend Reinvestment Plan", "terseLabel": "Proceeds from DRIP Plan (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesDividendReinvestmentPlan", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodSharesIssuedForServices": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.", "label": "Stock Issued During Period, Shares, Issued for Services", "terseLabel": "Manager fee paid in stock (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesIssuedForServices", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodSharesNewIssues": { "auth_ref": [ "r14", "r15", "r308", "r316" ], "lang": { "en-US": { "role": { "documentation": "Number of new stock issued during the period.", "label": "Stock Issued During Period, Shares, New Issues", "verboseLabel": "Shares issued" } } }, "localname": "StockIssuedDuringPeriodSharesNewIssues", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation": { "auth_ref": [ "r14", "r15", "r308", "r316" ], "lang": { "en-US": { "role": { "documentation": "Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).", "label": "Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures", "terseLabel": "Share-based compensation (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesShareBasedCompensation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities": { "auth_ref": [ "r34", "r308", "r316" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The gross value of stock issued during the period upon the conversion of convertible securities.", "label": "Stock Issued During Period, Value, Conversion of Convertible Securities", "terseLabel": "Conversion of 2019 Convertible Notes" } } }, "localname": "StockIssuedDuringPeriodValueConversionOfConvertibleSecurities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockIssuedDuringPeriodValueDividendReinvestmentPlan": { "auth_ref": [ "r308" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Value of stock issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the holder of the stock to reinvest dividends paid to them by the entity on new issues of stock by the entity.", "label": "Stock Issued During Period, Value, Dividend Reinvestment Plan", "terseLabel": "Proceeds from DRIP Plan" } } }, "localname": "StockIssuedDuringPeriodValueDividendReinvestmentPlan", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockIssuedDuringPeriodValueIssuedForServices": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Value of stock issued in lieu of cash for services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders.", "label": "Stock Issued During Period, Value, Issued for Services", "terseLabel": "Manager fees paid in stock" } } }, "localname": "StockIssuedDuringPeriodValueIssuedForServices", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation": { "auth_ref": [ "r14", "r15", "r316", "r328", "r338" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).", "label": "Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures", "terseLabel": "Share-based compensation" } } }, "localname": "StockIssuedDuringPeriodValueShareBasedCompensation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockRedeemedOrCalledDuringPeriodShares": { "auth_ref": [ "r308" ], "lang": { "en-US": { "role": { "documentation": "Number of stock bought back by the entity at the exercise price or redemption price.", "label": "Stock Redeemed or Called During Period, Shares", "terseLabel": "Redemption of units" } } }, "localname": "StockRedeemedOrCalledDuringPeriodShares", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_StockRepurchaseProgramAuthorizedAmount1": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of stock repurchase plan authorized.", "label": "Stock Repurchase Program, Authorized Amount", "terseLabel": "Authorized amount of share repurchases" } } }, "localname": "StockRepurchaseProgramAuthorizedAmount1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockRepurchaseProgramPeriodInForce1": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Period which shares may be purchased under a stock repurchase plan authorized by an entity's Board of Directors, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Stock Repurchase Program, Period in Force", "terseLabel": "Period for repurchase of common stock" } } }, "localname": "StockRepurchaseProgramPeriodInForce1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "durationItemType" }, "us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount remaining of a stock repurchase plan authorized.", "label": "Stock Repurchase Program, Remaining Authorized Repurchase Amount", "terseLabel": "Remaining capacity to repurchase common stock" } } }, "localname": "StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquity": { "auth_ref": [ "r15", "r18", "r19", "r203" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.", "label": "Stockholders' Equity Attributable to Parent", "totalLabel": "Total Starwood Property Trust, Inc. Stockholders' Equity" } } }, "localname": "StockholdersEquity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Stockholders' Equity Attributable to Parent [Abstract]", "terseLabel": "Starwood Property Trust, Inc. Stockholders' Equity:" } } }, "localname": "StockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest": { "auth_ref": [ "r352", "r353", "r378" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.", "label": "Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest", "periodEndLabel": "Balance", "periodStartLabel": "Balance", "totalLabel": "Total Equity" } } }, "localname": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]", "terseLabel": "Equity:" } } }, "localname": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_StockholdersEquityNoteAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Stockholders' Equity and Non-Controlling Interests" } } }, "localname": "StockholdersEquityNoteAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.", "label": "Subsequent Event [Line Items]", "terseLabel": "Subsequent Events" } } }, "localname": "SubsequentEventLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Identifies event that occurred after the balance sheet date but before financial statements are issued or available to be issued.", "label": "Subsequent Event [Member]", "terseLabel": "Subsequent event" } } }, "localname": "SubsequentEventMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventTable": { "auth_ref": [ "r456" ], "lang": { "en-US": { "role": { "documentation": "Discloses pertinent information about one or more significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued.", "label": "Subsequent Event [Table]" } } }, "localname": "SubsequentEventTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventTypeAxis": { "auth_ref": [ "r456" ], "lang": { "en-US": { "role": { "documentation": "Information by event that occurred after the balance sheet date but before financial statements are issued or available to be issued.", "label": "Subsequent Event Type [Axis]" } } }, "localname": "SubsequentEventTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventTypeDomain": { "auth_ref": [ "r456" ], "lang": { "en-US": { "role": { "documentation": "Event that occurred after the balance sheet date but before financial statements are issued or available to be issued.", "label": "Subsequent Event Type [Domain]", "terseLabel": "Subsequent Event Type [Domain]" } } }, "localname": "SubsequentEventTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Subsequent Events" } } }, "localname": "SubsequentEventsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventsTextBlock": { "auth_ref": [ "r458" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.", "label": "Subsequent Events [Text Block]", "terseLabel": "Subsequent Events" } } }, "localname": "SubsequentEventsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSubsequentEvents" ], "xbrltype": "textBlockItemType" }, "us-gaap_SupplementalCashFlowInformationAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Supplemental Cash Flow Information [Abstract]", "terseLabel": "Supplemental disclosure of cash flow information:" } } }, "localname": "SupplementalCashFlowInformationAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_TransferOfPortfolioLoansAndLeasesToHeldForSale1": { "auth_ref": [ "r115", "r116", "r117" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Value of loans and leases held in the entity's portfolio transferred to loans and leases held-for-sale in noncash transactions.", "label": "Transfer of Portfolio Loans and Leases to Held-for-sale", "terseLabel": "Reclassification of residential loans held-for-investment to held-for-sale" } } }, "localname": "TransferOfPortfolioLoansAndLeasesToHeldForSale1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain": { "auth_ref": [ "r469" ], "lang": { "en-US": { "role": { "documentation": "Instrument or contract that imposes a contractual obligation to deliver cash or another financial instrument or to exchange other financial instruments on potentially unfavorable terms and conveys a contractual right to receive cash or another financial instrument or to exchange other financial instruments on potentially favorable terms.", "label": "Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain]", "terseLabel": "Financial Instruments [Domain]" } } }, "localname": "TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureCommitmentsAndContingenciesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueLevelIiiDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesAfsAndFairValueOptionDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansHeldForInvestmentDetails", "http://www.starwoodpropertytrust.com/role/DisclosureOffsettingAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureRelatedPartyTransactionsInvestmentsInLoansAndSecuritiesAndOtherArrangementsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_TreasuryStockCommonMember": { "auth_ref": [ "r36", "r318" ], "lang": { "en-US": { "role": { "documentation": "Previously issued common shares repurchased by the issuing entity and held in treasury.", "label": "Treasury Stock Common [Member]", "terseLabel": "Treasury Stock" } } }, "localname": "TreasuryStockCommonMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "domainItemType" }, "us-gaap_TreasuryStockCommonShares": { "auth_ref": [ "r36", "r318" ], "lang": { "en-US": { "role": { "documentation": "Number of previously issued common shares repurchased by the issuing entity and held in treasury.", "label": "Treasury Stock, Shares", "terseLabel": "Treasury stock, shares" } } }, "localname": "TreasuryStockCommonShares", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_TreasuryStockCommonValue": { "auth_ref": [ "r36", "r318", "r319" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_StockholdersEquity", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount allocated to previously issued common shares repurchased by the issuing entity and held in treasury.", "label": "Treasury Stock, Value", "negatedLabel": "Treasury stock (7,105,561 shares and 5,180,140 shares)", "negatedTerseLabel": "Treasury stock" } } }, "localname": "TreasuryStockCommonValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_TreasuryStockSharesAcquired": { "auth_ref": [ "r15", "r308", "r316" ], "lang": { "en-US": { "role": { "documentation": "Number of shares that have been repurchased during the period and are being held in treasury.", "label": "Treasury Stock, Shares, Acquired", "terseLabel": "Common stock repurchased (in shares)" } } }, "localname": "TreasuryStockSharesAcquired", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_TreasuryStockValueAcquiredCostMethod": { "auth_ref": [ "r308", "r316", "r318" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.", "label": "Treasury Stock, Value, Acquired, Cost Method", "negatedLabel": "Common stock repurchased" } } }, "localname": "TreasuryStockValueAcquiredCostMethod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_TypeOfAdoptionMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Adoption and early adoption of sources of change to generally accepted accounting principles (GAAP) in the United States. The FASB released the FASB Accounting Standards Codification as the authoritative source of literature effective for interim and annual periods ending after September 15, 2009. As part of the Codification process, the FASB issues Accounting Standards Updates to amend the Codification but otherwise the Accounting Standards Updates are not authoritative in their own right. All previous accounting standards (such as FASB Statements of Financial Accounting Standards, FASB Interpretations, FASB Staff Positions, Emerging Issues Task Force Consensuses, other pronouncements of the FASB or other designated bodies, or other forms of GAAP are considered accounting pronouncements) were superseded upon the adoption of the Codification. For an interim period, references to the superseded standards are included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.", "label": "Type Of Adoption [Member]", "terseLabel": "Type of Adoption [Domain]" } } }, "localname": "TypeOfAdoptionMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesHtmDetails", "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic": { "auth_ref": [ "r148" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails": { "order": 2.0, "parentTag": "stwd_IncomeLossFromContinuingOperationsBasic", "weight": -1.0 }, "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetailsCalc2": { "order": 2.0, "parentTag": "stwd_IncomeLossFromContinuingOperationsDiluted", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of undistributed earnings (loss) allocated to participating securities for the basic earnings (loss) per share or per unit calculation under the two-class method.", "label": "Undistributed Earnings (Loss) Allocated to Participating Securities, Basic", "negatedLabel": "Less: Income attributable to participating shares not already deducted as non-controlling interests" } } }, "localname": "UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted": { "auth_ref": [ "r148" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of undistributed earnings (loss) allocated to participating securities for the diluted earnings (loss) per share or per unit calculation under the two-class method.", "label": "Undistributed Earnings (Loss) Allocated to Participating Securities, Diluted", "negatedLabel": "Less: Undistributed earnings reallocated to participating shares" } } }, "localname": "UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnfundedLoanCommitmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Undisbursed funds of a credit facility in which the borrower may draw upon.", "label": "Unfunded Loan Commitment [Member]", "terseLabel": "Unfunded commitments" } } }, "localname": "UnfundedLoanCommitmentMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureLoansActivityInPortfolioDetails" ], "xbrltype": "domainItemType" }, "us-gaap_UnrealizedGainLossOnDerivatives": { "auth_ref": [ "r111" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows": { "order": 12.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.", "label": "Unrealized Gain (Loss) on Derivatives", "negatedLabel": "Change in fair value of derivatives" } } }, "localname": "UnrealizedGainLossOnDerivatives", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnsecuredDebt": { "auth_ref": [ "r11", "r490", "r524" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets": { "order": 7.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).", "label": "Unsecured Debt", "terseLabel": "Unsecured senior notes, net" } } }, "localname": "UnsecuredDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnsecuredDebtMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Debt obligation not collateralized by pledge of, mortgage of or other lien on the entity's assets.", "label": "Unsecured Debt [Member]", "terseLabel": "Unsecured Senior Notes" } } }, "localname": "UnsecuredDebtMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureUnsecuredSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_UseOfEstimates": { "auth_ref": [ "r160", "r161", "r162", "r163", "r166", "r167", "r168" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles.", "label": "Use of Estimates, Policy [Policy Text Block]", "terseLabel": "Use of Estimates" } } }, "localname": "UseOfEstimates", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ValuationTechniqueAxis": { "auth_ref": [ "r415" ], "lang": { "en-US": { "role": { "documentation": "Information by valuation approach and technique.", "label": "Valuation Technique [Axis]" } } }, "localname": "ValuationTechniqueAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ValuationTechniqueDomain": { "auth_ref": [ "r415" ], "lang": { "en-US": { "role": { "documentation": "Valuation approach and technique.", "label": "Valuation Technique [Domain]", "terseLabel": "Valuation Technique [Domain]" } } }, "localname": "ValuationTechniqueDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis": { "auth_ref": [ "r367", "r371", "r376" ], "lang": { "en-US": { "role": { "documentation": "Information by category of Variable Interest Entity (VIE).", "label": "Variable Interest Entities [Axis]" } } }, "localname": "VariableInterestEntitiesByClassificationOfEntityAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax": { "auth_ref": [ "r375" ], "calculation": { "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Description of the amount of pre-tax income (loss) derived by the reporting entity from the Variable Interest Entity (VIE).", "label": "Variable Interest Entity, Measure of Activity, Income or Loss before Tax", "verboseLabel": "Change in net assets related to consolidated VIEs" } } }, "localname": "VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataResultsOfOperationsDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssetsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Variable Interest Entity, Consolidated, Carrying Amount, Assets [Abstract]", "terseLabel": "Assets:" } } }, "localname": "VariableInterestEntityConsolidatedCarryingAmountAssetsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesAssetsAndLiabilitiesOfConsolidatedCloDetails" ], "xbrltype": "stringItemType" }, "us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssetsAndLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net [Abstract]", "terseLabel": "Variable Interest Entities" } } }, "localname": "VariableInterestEntityConsolidatedCarryingAmountAssetsAndLiabilitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Variable Interest Entity, Consolidated, Carrying Amount, Liabilities [Abstract]", "terseLabel": "Liabilities" } } }, "localname": "VariableInterestEntityConsolidatedCarryingAmountLiabilitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesAssetsAndLiabilitiesOfConsolidatedCloDetails" ], "xbrltype": "stringItemType" }, "us-gaap_VariableInterestEntityDisclosureTextBlock": { "auth_ref": [ "r386" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for a variable interest entity (VIE), including but not limited to, judgments and assumptions in determining whether to consolidate and in identifying the primary beneficiary, gain (loss) recognized on the initial consolidation of the VIE, terms of arrangements, amounts and classification of the VIE's assets and liabilities, and the entity's maximum exposure to loss.", "label": "Variable Interest Entity Disclosure [Text Block]", "terseLabel": "Variable Interest Entities" } } }, "localname": "VariableInterestEntityDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntities" ], "xbrltype": "textBlockItemType" }, "us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount": { "auth_ref": [ "r370", "r374" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).", "label": "Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount", "terseLabel": "Maximum risk of loss related to VIEs, on fair value basis" } } }, "localname": "VariableInterestEntityEntityMaximumLossExposureAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_VariableInterestEntityLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Variable Interest Entity [Line Items]", "terseLabel": "Variable interest entities" } } }, "localname": "VariableInterestEntityLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesAssetsAndLiabilitiesOfConsolidatedCloDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_VariableInterestEntityNonconsolidatedCarryingAmountAssets": { "auth_ref": [ "r369" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Carrying amount of the assets in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE), where the reporting entity is not the VIE's primary beneficiary.", "label": "Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets", "terseLabel": "VIE assets" } } }, "localname": "VariableInterestEntityNonconsolidatedCarryingAmountAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_VariableInterestEntityNonconsolidatedCarryingAmountLiabilities": { "auth_ref": [ "r369" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying amount of the liabilities in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE), where the reporting entity is not the VIE's primary beneficiary.", "label": "Variable Interest Entity, Nonconsolidated, Carrying Amount, Liabilities", "terseLabel": "VIE liabilities" } } }, "localname": "VariableInterestEntityNonconsolidatedCarryingAmountLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Variable Interest Entities (VIE) in which the entity does not have a controlling financial interest (as defined) and of which it is therefore not the primary beneficiary. VIEs of which the entity is not the primary beneficiary because it does not have the power to direct the activities of the VIE that most significantly impact the VIE's economic performance and for which it does not have the obligation to absorb losses of the VIE that could potentially be significant to the VIE or the right to receive benefits from the VIE that could potentially be significant to the VIE are not included in the consolidated financial statements of the entity.", "label": "Variable Interest Entity Not Primary Beneficiary [Member]", "terseLabel": "Not primary beneficiary" } } }, "localname": "VariableInterestEntityNotPrimaryBeneficiaryMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_VariableInterestEntityPrimaryBeneficiaryMember": { "auth_ref": [ "r367" ], "lang": { "en-US": { "role": { "documentation": "Variable Interest Entities (VIE) in which the entity has a controlling financial interest (as defined) and of which it is therefore the primary beneficiary. A controlling financial interest is determined based on both: (a) the entity's power to direct activities of the VIE that most significantly impact the VIE's economic performance and (b) the entity's obligation to absorb losses of the VIE that could potentially be significant to the VIE or the right to receive benefits from the VIE that could potentially be significant to the VIE. VIEs of which the entity is the primary beneficiary are included in the consolidated financial statements of the entity.", "label": "Variable Interest Entity Primary Beneficiary [Member]", "terseLabel": "Primary beneficiary" } } }, "localname": "VariableInterestEntityPrimaryBeneficiaryMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureFairValueSignificantUnobservableInputsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSegmentDataBalanceSheetsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesAssetsAndLiabilitiesOfConsolidatedCloDetails", "http://www.starwoodpropertytrust.com/role/DisclosureVariableInterestEntitiesDetails", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheets", "http://www.starwoodpropertytrust.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "domainItemType" }, "us-gaap_VariableRateAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by type of variable rate.", "label": "Variable Rate [Axis]" } } }, "localname": "VariableRateAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_VariableRateDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index.", "label": "Variable Rate [Domain]", "terseLabel": "Variable Rate [Domain]" } } }, "localname": "VariableRateDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureInvestmentSecuritiesDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsCollateralizedLoanObligationsDetails", "http://www.starwoodpropertytrust.com/role/DisclosureSecuredBorrowingsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_VestingAxis": { "auth_ref": [ "r340" ], "lang": { "en-US": { "role": { "documentation": "Information by vesting schedule of award under share-based payment arrangement.", "label": "Vesting [Axis]" } } }, "localname": "VestingAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsEquityIncentivePlansDetails" ], "xbrltype": "stringItemType" }, "us-gaap_VestingDomain": { "auth_ref": [ "r340" ], "lang": { "en-US": { "role": { "documentation": "Vesting schedule of award under share-based payment arrangement.", "label": "Vesting [Domain]", "terseLabel": "Vesting [Domain]" } } }, "localname": "VestingDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureStockholdersEquityAndNonControllingInterestsEquityIncentivePlansDetails" ], "xbrltype": "domainItemType" }, "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": { "auth_ref": [ "r142", "r152" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "lang": { "en-US": { "role": { "documentation": "The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.", "label": "Weighted Average Number of Shares Outstanding, Diluted", "totalLabel": "Diluted - Average shares outstanding" } } }, "localname": "WeightedAverageNumberOfDilutedSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_WeightedAverageNumberOfSharesIssuedBasic": { "auth_ref": [ "r140", "r141", "r154" ], "calculation": { "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails": { "order": 1.0, "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "This element represents the weighted average total number of shares issued throughout the period including the first (beginning balance outstanding) and last (ending balance outstanding) day of the period before considering any reductions (for instance, shares held in treasury) to arrive at the weighted average number of shares outstanding. Weighted average relates to the portion of time within a reporting period that common shares have been issued and outstanding to the total time in that period. Such concept is used in determining the weighted average number of shares outstanding for purposes of calculating earnings per share (basic).", "label": "Weighted Average Number of Shares Issued, Basic", "terseLabel": "Basic - Average shares outstanding" } } }, "localname": "WeightedAverageNumberOfSharesIssuedBasic", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Weighted Average Number of Shares Outstanding Reconciliation [Abstract]", "terseLabel": "Number of Shares:" } } }, "localname": "WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.starwoodpropertytrust.com/role/DisclosureEarningsPerShareDetails" ], "xbrltype": "stringItemType" } }, "unitCount": 12 } }, "std_ref": { "r0": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760" }, "r1": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/subtopic&trid=2122178" }, "r10": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(20))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r100": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3367-108585" }, "r101": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3000-108585" }, "r102": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3461-108585" }, "r103": { "Name": "Accounting Standards Codification", "Paragraph": "21D", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=SL94080555-108585" }, "r104": { "Name": "Accounting Standards Codification", "Paragraph": "24", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585" }, "r105": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585" }, "r106": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585" }, "r107": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585" }, "r108": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585" }, "r109": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585" }, "r11": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(22))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r110": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585" }, "r111": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585" }, "r112": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585" }, "r113": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3044-108585" }, "r114": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4297-108586" }, "r115": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586" }, "r116": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586" }, "r117": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586" }, "r118": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586" }, "r119": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790" }, "r12": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(24))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r120": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=84158767&loc=d3e18823-107790" }, "r121": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(h)(2))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r122": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(h))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r123": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(k))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r124": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(d),(e))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r125": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(e),(f))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r126": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(f))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r127": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(h)(2))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r128": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(k)(1))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r129": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(m)(1)(i)(A)(ii))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r13": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(25))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r130": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(m)(1)(i)(A))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r131": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(n)(2))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r132": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.12-04.(a))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690" }, "r133": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "235", "URI": "http://asc.fasb.org/topic&trid=2122369" }, "r134": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794" }, "r135": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794" }, "r136": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22644-107794" }, "r137": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22658-107794" }, "r138": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22663-107794" }, "r139": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "250", "URI": "http://asc.fasb.org/topic&trid=2122394" }, "r14": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(28))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r140": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1448-109256" }, "r141": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e2646-109256" }, "r142": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1505-109256" }, "r143": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1252-109256" }, "r144": { "Name": "Accounting Standards Codification", "Paragraph": "28A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1500-109256" }, "r145": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1278-109256" }, "r146": { "Name": "Accounting Standards Codification", "Paragraph": "40", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1930-109256" }, "r147": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1311-109256" }, "r148": { "Name": "Accounting Standards Codification", "Paragraph": "60B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=SL5780133-109256" }, "r149": { "Name": "Accounting Standards Codification", "Paragraph": "60B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=SL5780133-109256" }, "r15": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(29))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r150": { "Name": "Accounting Standards Codification", "Paragraph": "68B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=SL5498026-109256" }, "r151": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1337-109256" }, "r152": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257" }, "r153": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257" }, "r154": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257" }, "r155": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257" }, "r156": { "Name": "Accounting Standards Codification", "Paragraph": "52", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117327953&loc=d3e4984-109258" }, "r157": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "260", "URI": "http://asc.fasb.org/topic&trid=2144383" }, "r158": { "Name": "Accounting Standards Codification", "Paragraph": "6A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "270", "URI": "http://asc.fasb.org/extlink&oid=118952077&loc=SL77927221-108306" }, "r159": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592" }, "r16": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30)(a)(1))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r160": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592" }, "r161": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592" }, "r162": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6161-108592" }, "r163": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6191-108592" }, "r164": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592" }, "r165": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592" }, "r166": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6061-108592" }, "r167": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6132-108592" }, "r168": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6143-108592" }, "r169": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "275", "URI": "http://asc.fasb.org/topic&trid=2134479" }, "r17": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30)(a)(3))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r170": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8721-108599" }, "r171": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r172": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r173": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r174": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r175": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r176": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r177": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599" }, "r178": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599" }, "r179": { "Name": "Accounting Standards Codification", "Paragraph": "30", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8906-108599" }, "r18": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r180": { "Name": "Accounting Standards Codification", "Paragraph": "31", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8924-108599" }, "r181": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599" }, "r182": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599" }, "r183": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599" }, "r184": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8475-108599" }, "r185": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "280", "URI": "http://asc.fasb.org/topic&trid=2134510" }, "r186": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522" }, "r187": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=d3e4975-111524" }, "r188": { "Name": "Accounting Standards Codification", "Paragraph": "11B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524" }, "r189": { "Name": "Accounting Standards Codification", "Paragraph": "11B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524" }, "r19": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(31))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r190": { "Name": "Accounting Standards Codification", "Paragraph": "11B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524" }, "r191": { "Name": "Accounting Standards Codification", "Paragraph": "11B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524" }, "r192": { "Name": "Accounting Standards Codification", "Paragraph": "11B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(3)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524" }, "r193": { "Name": "Accounting Standards Codification", "Paragraph": "11B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524" }, "r194": { "Name": "Accounting Standards Codification", "Paragraph": "11B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524" }, "r195": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(3)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=d3e5212-111524" }, "r196": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=d3e5212-111524" }, "r197": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=d3e5033-111524" }, "r198": { "Name": "Accounting Standards Codification", "Paragraph": "29", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=SL6953659-111524" }, "r199": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=d3e5066-111524" }, "r2": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765" }, "r20": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(32))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r200": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=d3e5093-111524" }, "r201": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=d3e5111-111524" }, "r202": { "Name": "Accounting Standards Codification", "Paragraph": "7A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=SL6953401-111524" }, "r203": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 4.E)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707" }, "r204": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 6.L.1)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707" }, "r205": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/subtopic&trid=2196772" }, "r206": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=84159169&loc=d3e10133-111534" }, "r207": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=84159169&loc=d3e10133-111534" }, "r208": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "20", "Topic": "310", "URI": "http://asc.fasb.org/subtopic&trid=2196816" }, "r209": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)(1)(ii)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118939070&loc=d3e15032-111544" }, "r21": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.1)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r210": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "30", "Topic": "310", "URI": "http://asc.fasb.org/subtopic&trid=2196854" }, "r211": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118954083&loc=d3e26610-111562" }, "r212": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=SL6283291-111563" }, "r213": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563" }, "r214": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(aa)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563" }, "r215": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563" }, "r216": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563" }, "r217": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563" }, "r218": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27198-111563" }, "r219": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563" }, "r22": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.12)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r220": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(aa)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563" }, "r221": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(aaa)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563" }, "r222": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563" }, "r223": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563" }, "r224": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(1)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563" }, "r225": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563" }, "r226": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27290-111563" }, "r227": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27337-111563" }, "r228": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27340-111563" }, "r229": { "Name": "Accounting Standards Codification", "Paragraph": "8B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=SL6284393-111563" }, "r23": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.14)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r230": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "320", "URI": "http://asc.fasb.org/topic&trid=2196928" }, "r231": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "321", "URI": "http://asc.fasb.org/extlink&oid=116654751&loc=SL75117539-209714" }, "r232": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "321", "URI": "http://asc.fasb.org/extlink&oid=116654751&loc=SL75117546-209714" }, "r233": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "323", "URI": "http://asc.fasb.org/extlink&oid=109237563&loc=d3e33749-111570" }, "r234": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "323", "URI": "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571" }, "r235": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(3)", "Topic": "323", "URI": "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571" }, "r236": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "323", "URI": "http://asc.fasb.org/topic&trid=2196965" }, "r237": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=118950378&loc=SL82887624-210437" }, "r238": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=118955202&loc=SL82895884-210446" }, "r239": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(i)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919244-210447" }, "r24": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.15)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r240": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919244-210447" }, "r241": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447" }, "r242": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447" }, "r243": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(f)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447" }, "r244": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447" }, "r245": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919253-210447" }, "r246": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919258-210447" }, "r247": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919260-210447" }, "r248": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919272-210447" }, "r249": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919230-210447" }, "r25": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.17)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r250": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919232-210447" }, "r251": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=118955255&loc=SL82921830-210448" }, "r252": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=118955255&loc=SL82921833-210448" }, "r253": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=118955255&loc=SL82921835-210448" }, "r254": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Subparagraph": "(d)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=118955255&loc=SL82921835-210448" }, "r255": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Subparagraph": "(e)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=118955255&loc=SL82921835-210448" }, "r256": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=118955255&loc=SL82921842-210448" }, "r257": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=118955255&loc=SL82921842-210448" }, "r258": { "Name": "Accounting Standards Codification", "Paragraph": "79", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=118955255&loc=SL82922352-210448" }, "r259": { "Name": "Accounting Standards Codification", "Paragraph": "80", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=118955255&loc=SL82922355-210448" }, "r26": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19(b),22(b))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r260": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=118942338&loc=SL82898722-210454" }, "r261": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922888-210455" }, "r262": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922890-210455" }, "r263": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922895-210455" }, "r264": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922900-210455" }, "r265": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "55", "SubTopic": "30", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=118942371&loc=SL82922954-210456" }, "r266": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266" }, "r267": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975" }, "r268": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267" }, "r269": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274" }, "r27": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19-26)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r270": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274" }, "r271": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275" }, "r272": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275" }, "r273": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(d)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275" }, "r274": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "((a)(1),(b))", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r275": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r276": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)(1)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r277": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)(2)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r278": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)(3)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r279": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r28": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.22(a)(1))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r280": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(d)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r281": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "350", "URI": "http://asc.fasb.org/topic&trid=2144416" }, "r282": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r283": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r284": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r285": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230" }, "r286": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869" }, "r287": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.P.4(d))", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747" }, "r288": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "440", "URI": "http://asc.fasb.org/extlink&oid=77929361&loc=d3e25218-109307" }, "r289": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "440", "URI": "http://asc.fasb.org/topic&trid=2144648" }, "r29": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.22(a)(5))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r290": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349" }, "r291": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14615-108349" }, "r292": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "450", "URI": "http://asc.fasb.org/topic&trid=2127136" }, "r293": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(4)", "Topic": "460", "URI": "http://asc.fasb.org/extlink&oid=118943654&loc=d3e12069-110248" }, "r294": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601" }, "r295": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=6802200&loc=SL6230698-112601" }, "r296": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870" }, "r297": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(1)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870" }, "r298": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(3)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870" }, "r299": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=109500613&loc=SL6031898-161870" }, "r3": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6812-107765" }, "r30": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.22)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r300": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=109500613&loc=SL6031898-161870" }, "r301": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870" }, "r302": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "40", "SubTopic": "50", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=117329964&loc=d3e12317-112629" }, "r303": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "40", "SubTopic": "50", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=117329964&loc=d3e12355-112629" }, "r304": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "470", "URI": "http://asc.fasb.org/topic&trid=2208564" }, "r305": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(CFRR 211.02)", "Topic": "480", "URI": "http://asc.fasb.org/extlink&oid=65877616&loc=d3e177068-122764" }, "r306": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=65888546&loc=d3e21300-112643" }, "r307": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21553-112644" }, "r308": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644" }, "r309": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644" }, "r31": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.25)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r310": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21484-112644" }, "r311": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21488-112644" }, "r312": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644" }, "r313": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644" }, "r314": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21521-112644" }, "r315": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21538-112644" }, "r316": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.3-04)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770" }, "r317": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770" }, "r318": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655" }, "r319": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656" }, "r32": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.28,29)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r320": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "505", "URI": "http://asc.fasb.org/topic&trid=2208762" }, "r321": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "606", "URI": "http://asc.fasb.org/topic&trid=49130388" }, "r322": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(ii)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r323": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(iv)(01)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r324": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(n)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r325": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921" }, "r326": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901" }, "r327": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901" }, "r328": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901" }, "r329": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901" }, "r33": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.29-30)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r330": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r331": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(3)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r332": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a),(g)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r333": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)(3)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r334": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(i)-(ii)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r335": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r336": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r337": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(3)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r338": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r339": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)(1)(i)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r34": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.29-31)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r340": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r341": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 14.F)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809" }, "r342": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "718", "URI": "http://asc.fasb.org/topic&trid=2228938" }, "r343": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319" }, "r344": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319" }, "r345": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB TOPIC 6.I)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817" }, "r346": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=109238882&loc=d3e38679-109324" }, "r347": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "740", "URI": "http://asc.fasb.org/topic&trid=2144680" }, "r348": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463" }, "r349": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1486-128463" }, "r35": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.3,4)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r350": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)(4)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479" }, "r351": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "805", "URI": "http://asc.fasb.org/topic&trid=2303972" }, "r352": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4568447-111683" }, "r353": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4568740-111683" }, "r354": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4613673-111683" }, "r355": { "Name": "Accounting Standards Codification", "Paragraph": "19", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4569616-111683" }, "r356": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4569643-111683" }, "r357": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4613674-111683" }, "r358": { "Name": "Accounting Standards Codification", "Paragraph": "23", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4569655-111683" }, "r359": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=d3e5614-111684" }, "r36": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.30)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r360": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684" }, "r361": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(2)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684" }, "r362": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684" }, "r363": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684" }, "r364": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(3)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684" }, "r365": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c),(3)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684" }, "r366": { "Name": "Accounting Standards Codification", "Paragraph": "2AA", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "a", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=SL6759068-111685" }, "r367": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5710-111685" }, "r368": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5728-111685" }, "r369": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "a", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5728-111685" }, "r37": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.31)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r370": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "b", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5728-111685" }, "r371": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5728-111685" }, "r372": { "Name": "Accounting Standards Codification", "Paragraph": "5A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=SL6759159-111685" }, "r373": { "Name": "Accounting Standards Codification", "Paragraph": "5A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=SL6759159-111685" }, "r374": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5747-111685" }, "r375": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "d", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5747-111685" }, "r376": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5747-111685" }, "r377": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=SL6228884-111685" }, "r378": { "Name": "Accounting Standards Codification", "Paragraph": "4I", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116874947&loc=SL4590271-111686" }, "r379": { "Name": "Accounting Standards Codification", "Paragraph": "4J", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116874947&loc=SL4591551-111686" }, "r38": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.8)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r380": { "Name": "Accounting Standards Codification", "Paragraph": "4K", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116874947&loc=SL4591552-111686" }, "r381": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=118583796&loc=SL6754279-158248" }, "r382": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=118583796&loc=SL63488119-158248" }, "r383": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.3A-02)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116822174&loc=d3e355033-122828" }, "r384": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.3A-03)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116822174&loc=d3e355100-122828" }, "r385": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.3A-04)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116822174&loc=d3e355119-122828" }, "r386": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "810", "URI": "http://asc.fasb.org/topic&trid=2197479" }, "r387": { "Name": "Accounting Standards Codification", "Paragraph": "83", "Publisher": "FASB", "Section": "15", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=117415099&loc=d3e34841-113949" }, "r388": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5579240-113959" }, "r389": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959" }, "r39": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.8,17)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r390": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959" }, "r391": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959" }, "r392": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41620-113959" }, "r393": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41638-113959" }, "r394": { "Name": "Accounting Standards Codification", "Paragraph": "4A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959" }, "r395": { "Name": "Accounting Standards Codification", "Paragraph": "4A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959" }, "r396": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a),(c)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959" }, "r397": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959" }, "r398": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959" }, "r399": { "Name": "Accounting Standards Codification", "Paragraph": "4C", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959" }, "r4": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6812-107765" }, "r40": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r400": { "Name": "Accounting Standards Codification", "Paragraph": "4C", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959" }, "r401": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959" }, "r402": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959" }, "r403": { "Name": "Accounting Standards Codification", "Paragraph": "4E", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624181-113959" }, "r404": { "Name": "Accounting Standards Codification", "Paragraph": "4K", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(4)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5708775-113959" }, "r405": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41641-113959" }, "r406": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41678-113959" }, "r407": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41678-113959" }, "r408": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41678-113959" }, "r409": { "Name": "Accounting Standards Codification", "Paragraph": "182", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=116861445&loc=SL5629052-113961" }, "r41": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312" }, "r410": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "25", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109977999&loc=d3e76258-113986" }, "r411": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "815", "URI": "http://asc.fasb.org/topic&trid=2229140" }, "r412": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r413": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r414": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bb)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r415": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bbb)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r416": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bbb)(1)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r417": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bbb)(2)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r418": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r419": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1a)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r42": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312" }, "r420": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r421": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(3)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r422": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r423": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19279-110258" }, "r424": { "Name": "Accounting Standards Codification", "Paragraph": "6A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=SL6742756-110258" }, "r425": { "Name": "Accounting Standards Codification", "Paragraph": "6A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=SL6742756-110258" }, "r426": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=116690757&loc=d3e13220-108610" }, "r427": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611" }, "r428": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13467-108611" }, "r429": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13476-108611" }, "r43": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(2)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312" }, "r430": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13531-108611" }, "r431": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13537-108611" }, "r432": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=109240200&loc=d3e30690-110894" }, "r433": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=109240200&loc=d3e30700-110894" }, "r434": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895" }, "r435": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "230", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=98513438&loc=d3e33268-110906" }, "r436": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Subparagraph": "(b,c)", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900" }, "r437": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391" }, "r438": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28541-108399" }, "r439": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399" }, "r44": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(e)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312" }, "r440": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399" }, "r441": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28567-108399" }, "r442": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "55", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400" }, "r443": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)(3)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980" }, "r444": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(2)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r445": { "Name": "Accounting Standards Codification", "Paragraph": "53", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971" }, "r446": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888421&loc=SL77919311-209978" }, "r447": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=119202524&loc=SL77919372-209981" }, "r448": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864" }, "r449": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864" }, "r45": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313" }, "r450": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864" }, "r451": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864" }, "r452": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864" }, "r453": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39678-107864" }, "r454": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39691-107864" }, "r455": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "850", "URI": "http://asc.fasb.org/topic&trid=2122745" }, "r456": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "855", "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662" }, "r457": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "855", "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314020-165662" }, "r458": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "855", "URI": "http://asc.fasb.org/topic&trid=2122774" }, "r459": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719" }, "r46": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226016-175313" }, "r460": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)(1)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719" }, "r461": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)(2)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719" }, "r462": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)(3)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719" }, "r463": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(1)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719" }, "r464": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)(2)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=SL51823488-111719" }, "r465": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "25", "SubTopic": "30", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=109249708&loc=d3e113275-111724" }, "r466": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)(1)(i)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729" }, "r467": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "50", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745" }, "r468": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(1)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122625-111746" }, "r469": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122625-111746" }, "r47": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313" }, "r470": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "340", "Topic": "928", "URI": "http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004" }, "r471": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61929-109447" }, "r472": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61929-109447" }, "r473": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62059-109447" }, "r474": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62059-109447" }, "r475": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62395-109447" }, "r476": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62395-109447" }, "r477": { "Name": "Accounting Standards Codification", "Paragraph": "33", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62479-109447" }, "r478": { "Name": "Accounting Standards Codification", "Paragraph": "33", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62479-109447" }, "r479": { "Name": "Accounting Standards Codification", "Paragraph": "35A", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=SL6807758-109447" }, "r48": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580" }, "r480": { "Name": "Accounting Standards Codification", "Paragraph": "35A", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=SL6807758-109447" }, "r481": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(c)(1)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61872-109447" }, "r482": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(c)(2)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61872-109447" }, "r483": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "25", "SubTopic": "20", "Topic": "940", "URI": "http://asc.fasb.org/extlink&oid=68072869&loc=d3e41242-110953" }, "r484": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "320", "Topic": "940", "URI": "http://asc.fasb.org/subtopic&trid=2176304" }, "r485": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(1)(a))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r486": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(10))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r487": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(11))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r488": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(13))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r489": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(15)(5))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r49": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a),(b),(c)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580" }, "r490": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(16))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r491": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(17))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r492": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(22))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r493": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(23))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r494": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(6))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r495": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(7)(d))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r496": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.13(3)(a))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r497": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.15(1),(5))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r498": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.15(3),(4))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r499": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.17)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r5": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(1))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r50": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580" }, "r500": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.4)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r501": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.7(d))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r502": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.7)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r503": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(13)(f))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r504": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(13))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r505": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(14)(d))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r506": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(15))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r507": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(22))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r508": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(23))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r509": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04.1)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r51": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580" }, "r510": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04.11)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r511": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04.13(h))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r512": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04.2)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r513": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04.9)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r514": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "320", "Subparagraph": "(a)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803" }, "r515": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "320", "Topic": "942", "URI": "http://asc.fasb.org/subtopic&trid=2209399" }, "r516": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "405", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817" }, "r517": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "470", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823" }, "r518": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(16))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r519": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(19))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r52": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(h)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580" }, "r520": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(1)(b))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r521": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(10))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r522": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(12))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r523": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(15)(5))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r524": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(16))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r525": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(2))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r526": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(23)(a)(4))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r527": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(24))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r528": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(25))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r529": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03.(a),19)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r53": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580" }, "r530": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03.1(3))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r531": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03.1(d))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r532": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03.15)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r533": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03.17)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r534": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(10))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263" }, "r535": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(18))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263" }, "r536": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(19))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263" }, "r537": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(3)(a))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263" }, "r538": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(4))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263" }, "r539": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(8))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263" }, "r54": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e637-108580" }, "r540": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "360", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=117337397&loc=d3e23415-158514" }, "r541": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "360", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=117337397&loc=d3e23439-158514" }, "r542": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "360", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=117337411&loc=d3e23528-158515" }, "r543": { "Name": "Accounting Standards Codification", "Paragraph": "4H", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884468&loc=SL65671331-158438" }, "r544": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "80", "Subparagraph": "(e)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=117420044&loc=d3e19393-158473" }, "r545": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.6-04(13))", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=6488278&loc=d3e603758-122996" }, "r546": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "320", "Subparagraph": "(SX 210.12-12(2)(i))", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611133-123010" }, "r547": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "320", "Subparagraph": "(SX 210.12-12)", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611133-123010" }, "r548": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "S99", "SubTopic": "320", "Subparagraph": "(SX 210.12-12C(1)(a))", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611225-123010" }, "r549": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "S99", "SubTopic": "320", "Subparagraph": "(SX 210.12-12C)", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611225-123010" }, "r55": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e681-108580" }, "r550": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "S99", "SubTopic": "320", "Subparagraph": "(SX 210.12-13(1))", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611282-123010" }, "r551": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "S99", "SubTopic": "320", "Subparagraph": "(SX 210.12-13)", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611282-123010" }, "r552": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "S99", "SubTopic": "320", "Subparagraph": "(SX 210.12-14)", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611322-123010" }, "r553": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "S99", "SubTopic": "320", "Subparagraph": "(SX 210.12-15(Column A))", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611379-123010" }, "r554": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "S99", "SubTopic": "320", "Subparagraph": "(SX 210.12-15)", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611379-123010" }, "r555": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "320", "Topic": "946", "URI": "http://asc.fasb.org/subtopic&trid=2324412" }, "r556": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "310", "Subparagraph": "(SX 210.12-29(Column B))", "Topic": "948", "URI": "http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014" }, "r557": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "310", "Subparagraph": "(SX 210.12-29(Column G))", "Topic": "948", "URI": "http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014" }, "r558": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "310", "Subparagraph": "(SX 210.12-29(Footnote 4))", "Topic": "948", "URI": "http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014" }, "r559": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "310", "Subparagraph": "(SX 210.12-29(Footnote 6))", "Topic": "948", "URI": "http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014" }, "r56": { "Name": "Accounting Standards Codification", "Paragraph": "14A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580" }, "r560": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "310", "Subparagraph": "(SX 210.12-29)", "Topic": "948", "URI": "http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014" }, "r561": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Footnote 4))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024" }, "r562": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "970", "URI": "http://asc.fasb.org/topic&trid=2156125" }, "r563": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "972", "URI": "http://asc.fasb.org/topic&trid=2134617" }, "r564": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "974", "URI": "http://asc.fasb.org/topic&trid=2156429" }, "r565": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "976", "URI": "http://asc.fasb.org/topic&trid=2134846" }, "r566": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "978", "URI": "http://asc.fasb.org/topic&trid=2134977" }, "r567": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b" }, "r568": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "d1-1" }, "r569": { "Name": "Form 10-Q", "Number": "240", "Publisher": "SEC", "Section": "13", "Subsection": "a-13" }, "r57": { "Name": "Accounting Standards Codification", "Paragraph": "17B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL34724394-108580" }, "r570": { "Name": "Forms 10-K, 10-Q, 20-F", "Number": "240", "Publisher": "SEC", "Section": "13", "Subsection": "a-1-" }, "r571": { "Name": "Regulation 12B", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b-2" }, "r572": { "Name": "Regulation S-T", "Number": "232", "Publisher": "SEC", "Section": "405" }, "r573": { "Footnote": "4", "Name": "Regulation S-X (SX)", "Number": "210", "Publisher": "SEC", "Section": "12", "Subsection": "28" }, "r574": { "Footnote": "4", "Name": "Regulation S-X (SX)", "Number": "210", "Publisher": "SEC", "Section": "12", "Subsection": "29" }, "r575": { "Footnote": "6", "Name": "Regulation S-X (SX)", "Number": "210", "Publisher": "SEC", "Section": "12", "Subsection": "29" }, "r576": { "Name": "Regulation S-X (SX)", "Number": "210", "Paragraph": "Column B", "Publisher": "SEC", "Section": "12", "Subsection": "29" }, "r577": { "Name": "Regulation S-X (SX)", "Number": "210", "Publisher": "SEC", "Section": "12", "Subsection": "29" }, "r58": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580" }, "r59": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580" }, "r6": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(12))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r60": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580" }, "r61": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580" }, "r62": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580" }, "r63": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e557-108580" }, "r64": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118951672&loc=d3e1436-108581" }, "r65": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(1)(e))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868656-224227" }, "r66": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(210.5-03(11))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r67": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(1))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r68": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(10))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r69": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(12))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r7": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(17))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r70": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(20))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r71": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(21))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r72": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(8))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r73": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(b)(7)(c))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r74": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(b)(9)(a))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r75": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r76": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.13)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r77": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.2(c))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r78": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.21)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r79": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.3)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r8": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(19))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r80": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.4)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r81": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.7)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r82": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.9)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r83": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "220", "URI": "http://asc.fasb.org/topic&trid=2134417" }, "r84": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585" }, "r85": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585" }, "r86": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585" }, "r87": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585" }, "r88": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585" }, "r89": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585" }, "r9": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(2))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r90": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585" }, "r91": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585" }, "r92": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585" }, "r93": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585" }, "r94": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585" }, "r95": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585" }, "r96": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585" }, "r97": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585" }, "r98": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585" }, "r99": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3337-108585" } }, "version": "2.1" }