{ "instance": { "sfl201920-f.htm": { "axisCustom": 3, "axisStandard": 31, "contextCount": 670, "dts": { "calculationLink": { "local": [ "sfl-20191231_cal.xml" ] }, "definitionLink": { "local": [ "sfl-20191231_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": [ "sfl201920-f.htm" ] }, "labelLink": { "local": [ "sfl-20191231_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" ] }, "presentationLink": { "local": [ "sfl-20191231_pre.xml" ] }, "referenceLink": { "remote": [ "https://xbrl.sec.gov/dei/2019/dei-ref-2019-01-31.xml", "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-ref-2019-01-31.xml" ] }, "schema": { "local": [ "sfl-20191231.xsd" ], "remote": [ "http://xbrl.fasb.org/srt/2019/elts/srt-types-2019-01-31.xsd", "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd", "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", "http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd", "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd", "http://www.xbrl.org/2006/ref-2006-02-27.xsd", "http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.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-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", "http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd", "https://xbrl.sec.gov/currency/2019/currency-2019-01-31.xsd", "https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd", "https://xbrl.sec.gov/exch/2019/exch-2019-01-31.xsd", "http://xbrl.sec.gov/naics/2017/naics-2017-01-31.xsd", "http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd", "https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd", "http://www.xbrl.org/lrr/role/deprecated-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" ] } }, "elementCount": 1020, "entityCount": 1, "hidden": { "http://fasb.org/us-gaap/2019-01-31": 58, "http://shipfinance.bm/20191231": 23, "http://xbrl.sec.gov/dei/2019-01-31": 5, "total": 86 }, "keyCustom": 241, "keyStandard": 466, "memberCustom": 153, "memberStandard": 34, "nsprefix": "sfl", "nsuri": "http://shipfinance.bm/20191231", "report": { "R1": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "true", "longName": "0001000 - Document - COVER", "role": "http://shipfinance.bm/role/Cover", "shortName": "COVER", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R10": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SignificantAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2102100 - Disclosure - ACCOUNTING POLICIES", "role": "http://shipfinance.bm/role/AccountingPolicies", "shortName": "ACCOUNTING POLICIES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SignificantAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R100": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised", "reportCount": 1, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2423403 - Disclosure - SHARE OPTION PLAN (Details)", "role": "http://shipfinance.bm/role/ShareOptionPlanDetails", "shortName": "SHARE OPTION PLAN (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2016Q4_us-gaap_AwardTypeAxis_us-gaap_EmployeeStockOptionMember", "decimals": "INF", "lang": null, "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R101": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DueFromRelatedPartiesCurrent", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2424402 - Disclosure - RELATED PARTY TRANSACTIONS (Schedule of Amounts Due From and to Related Parties, Excluding Direct Financing Leases (Details)", "role": "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfAmountsDueFromAndToRelatedPartiesExcludingDirectFinancingLeasesDetails", "shortName": "RELATED PARTY TRANSACTIONS (Schedule of Amounts Due From and to Related Parties, Excluding Direct Financing Leases (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "lang": null, "name": "us-gaap:DueFromOtherRelatedPartiesNoncurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R102": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "sfl:NumberOfContainerVesselsOwned", "reportCount": 1, "unitRef": "vessel", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2424403 - Disclosure - RELATED PARTY TRANSACTIONS (Related Party Leasing and Service Contracts) (Details)", "role": "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLeasingAndServiceContractsDetails", "shortName": "RELATED PARTY TRANSACTIONS (Related Party Leasing and Service Contracts) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_sfl_FrontlineCharterersMember", "decimals": "-5", "lang": null, "name": "us-gaap:CapitalLeasesNetInvestmentInDirectFinancingLeases", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R103": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "sfl:DirectFinancingLeaseInterestIncomeFromRelatedParties", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2424404 - Disclosure - RELATED PARTY TRANSACTIONS (Summary of Leasing Revenues Earned From Related Parties) (Details)", "role": "http://shipfinance.bm/role/RelatedPartyTransactionsSummaryOfLeasingRevenuesEarnedFromRelatedPartiesDetails", "shortName": "RELATED PARTY TRANSACTIONS (Summary of Leasing Revenues Earned From Related Parties) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "sfl:RelatedPartyTransactionsScheduleOfLeasingRevenueEarnedTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_sfl_FrontlineShippingAndGoldenOceanMember", "decimals": "-5", "lang": null, "name": "us-gaap:OperatingLeasesIncomeStatementLeaseRevenue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R104": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "D2015Q4Oct15", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:TermOfLeaseOrCharter", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2424405 - Disclosure - RELATED PARTY TRANSACTIONS (Narrative) (Details)", "role": "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "shortName": "RELATED PARTY TRANSACTIONS (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2017Q4YTD", "decimals": "0", "lang": null, "name": "sfl:TimecharterrateforVLCCsfromJuly12015onwards", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R105": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "sfl:ShipOperatingExpensesToRelatedParties", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2424406 - Disclosure - RELATED PARTY TRANSACTIONS (Schedule of Fees Incurred with Related Parties) (Details)", "role": "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfFeesIncurredWithRelatedPartiesDetails", "shortName": "RELATED PARTY TRANSACTIONS (Schedule of Fees Incurred with Related Parties) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_sfl_FrontlineCharterersMember", "decimals": "-3", "lang": null, "name": "sfl:ShipOperatingExpensesToRelatedParties", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R106": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DueFromRelatedPartiesCurrent", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2424407 - Disclosure - RELATED PARTY TRANSACTIONS (Related Party Loans \u2013 Associated Compaines) (Details)", "role": "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLoansAssociatedCompainesDetails", "shortName": "RELATED PARTY TRANSACTIONS (Related Party Loans \u2013 Associated Compaines) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_sfl_EquityAccountedSubsidiariesMember", "decimals": "-5", "lang": null, "name": "sfl:Interestincomerelatedpartieswhicharederivedfromloanstoassociates", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R107": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "sfl:Proceedsfromsettledloannotes", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2424408 - Disclosure - RELATED PARTY TRANSACTIONS (Related Party Purchases and Sales of Vessels) (Details)", "role": "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyPurchasesAndSalesOfVesselsDetails", "shortName": "RELATED PARTY TRANSACTIONS (Related Party Purchases and Sales of Vessels) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2018Q4YTD_sfl_VesselNameAxis_sfl_FrontPageMember", "decimals": "-5", "lang": null, "name": "us-gaap:GainLossOnDispositionOfAssets1", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R108": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "D2018Q1_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_sfl_FrontlineShippingMember", "decimals": "-5", "first": true, "lang": null, "name": "sfl:CompensationReceivedonTerminationofChartersatfairvalueNotesReceivable", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2424409 - Disclosure - RELATED PARTY TRANSACTIONS (Long-Term Receivables From Related Parties) (Details)", "role": "http://shipfinance.bm/role/RelatedPartyTransactionsLongTermReceivablesFromRelatedPartiesDetails", "shortName": "RELATED PARTY TRANSACTIONS (Long-Term Receivables From Related Parties) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "I2018Q1Feb132018_sfl_VesselNameAxis_sfl_FrontCircassiaMember", "decimals": "-5", "lang": null, "name": "sfl:NotesCompensationReceivedonTerminationofChartersFaceValue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R109": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "D2015Q4Oct15", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:TermOfLeaseOrCharter", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2424410 - Disclosure - RELATED PARTY TRANSACTIONS (Other Related Party Transactions) (Details)", "role": "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails", "shortName": "RELATED PARTY TRANSACTIONS (Other Related Party Transactions) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2018Q4YTD", "decimals": "0", "lang": null, "name": "us-gaap:MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R11": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:AccountingChangesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2103100 - Disclosure - RECENTLY ISSUED ACCOUNTING STANDARDS", "role": "http://shipfinance.bm/role/RecentlyIssuedAccountingStandards", "shortName": "RECENTLY ISSUED ACCOUNTING STANDARDS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:AccountingChangesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R110": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:TradingSecuritiesAndCertainTradingAssetsTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:AvailableForSaleSecuritiesDebtSecurities", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2425402 - Disclosure - FINANCIAL INSTRUMENTS (Details)", "role": "http://shipfinance.bm/role/FinancialInstrumentsDetails", "shortName": "FINANCIAL INSTRUMENTS (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfCashFlowHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateSwapMember_us-gaap_HedgingDesignationAxis_us-gaap_DesignatedAsHedgingInstrumentMember", "decimals": "-3", "lang": null, "name": "us-gaap:DerivativeAssetsCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R111": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-8", "first": true, "lang": null, "name": "us-gaap:DerivativeNotionalAmount", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2425403 - Disclosure - FINANCIAL INSTRUMENTS (Interest Rate Risk Management) (Details)", "role": "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails", "shortName": "FINANCIAL INSTRUMENTS (Interest Rate Risk Management) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4_us-gaap_LongtermDebtTypeAxis_sfl_NOK700UnsecuredBondsDue2023Member", "decimals": "INF", "lang": null, "name": "us-gaap:DebtInstrumentFaceAmount", "reportCount": 1, "unique": true, "unitRef": "nok", "xsiNil": "false" } }, "R112": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-8", "first": true, "lang": null, "name": "us-gaap:DerivativeNotionalAmount", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2425404 - Disclosure - FINANCIAL INSTRUMENTS (Foreign Currency Risk Management) (Details)", "role": "http://shipfinance.bm/role/FinancialInstrumentsForeignCurrencyRiskManagementDetails", "shortName": "FINANCIAL INSTRUMENTS (Foreign Currency Risk Management) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "sfl:ScheduleOfCurrencySwapTransactionsTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4_us-gaap_DerivativeInstrumentRiskAxis_sfl_CrossCurrencyInterestRateContract3Member_us-gaap_HedgingDesignationAxis_us-gaap_DesignatedAsHedgingInstrumentMember", "decimals": "-5", "lang": null, "name": "us-gaap:DerivativeNotionalAmount", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R113": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:TradingSecuritiesAndCertainTradingAssetsTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:AvailableForSaleSecuritiesDebtSecurities", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2425405 - Disclosure - FINANCIAL INSTRUMENTS (Fair Value and Carrying Value) (Details)", "role": "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "shortName": "FINANCIAL INSTRUMENTS (Fair Value and Carrying Value) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-5", "lang": null, "name": "sfl:LongTermReceivablesNonDesignatedOptionsToExtendInterestRateSwaps", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R114": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:TradingSecuritiesAndCertainTradingAssetsTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:AvailableForSaleSecuritiesDebtSecurities", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2425406 - Disclosure - FINANCIAL INSTRUMENTS (Fair Value Hierarchy) (Details)", "role": "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails", "shortName": "FINANCIAL INSTRUMENTS (Fair Value Hierarchy) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4_us-gaap_FairValueByMeasurementBasisAxis_us-gaap_EstimateOfFairValueFairValueDisclosureMember", "decimals": "-3", "lang": null, "name": "us-gaap:AssetsFairValueDisclosure", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R115": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "sfl:Numberofcontainervesselscontractedtobecharteredin", "reportCount": 1, "unitRef": "vessel", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2425407 - Disclosure - FINANCIAL INSTRUMENTS (Concentrations of Risk) (Details)", "role": "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails", "shortName": "FINANCIAL INSTRUMENTS (Concentrations of Risk) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD_us-gaap_ConcentrationRiskByBenchmarkAxis_us-gaap_SalesRevenueNetMember_us-gaap_ConcentrationRiskByTypeAxis_sfl_FrontlineCharterersMember", "decimals": "INF", "lang": null, "name": "us-gaap:ConcentrationRiskPercentage1", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R116": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "sfl:ScheduleOfAssetsPledgedTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-6", "first": true, "lang": null, "name": "us-gaap:PledgedAssetsNotSeparatelyReportedOnStatementOfFinancialPosition", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2426402 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES (Book Value of Assets Pledged) (Details)", "role": "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesBookValueOfAssetsPledgedDetails", "shortName": "COMMITMENTS AND CONTINGENT LIABILITIES (Book Value of Assets Pledged) (Details)", "subGroupType": "details", "uniqueAnchor": null }, "R117": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "sfl:ScheduleOfAssetsPledgedTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-6", "first": true, "lang": null, "name": "us-gaap:PledgedAssetsNotSeparatelyReportedOnStatementOfFinancialPosition", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2426403 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES (Narrative) (Details)", "role": "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "shortName": "COMMITMENTS AND CONTINGENT LIABILITIES (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "lang": null, "name": "us-gaap:LongTermPurchaseCommitmentAmount", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R118": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "sfl:NumberOfVariableInterestEntities", "reportCount": 1, "unique": true, "unitRef": "variable_interest_entity", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2427401 - Disclosure - CONSOLIDATED VARIABLE INTEREST ENTITIES (Details)", "role": "http://shipfinance.bm/role/ConsolidatedVariableInterestEntitiesDetails", "shortName": "CONSOLIDATED VARIABLE INTEREST ENTITIES (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "sfl:NumberOfVariableInterestEntities", "reportCount": 1, "unique": true, "unitRef": "variable_interest_entity", "xsiNil": "false" } }, "R119": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "2", "first": true, "lang": null, "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice", "reportCount": 1, "unitRef": "usdPerShare", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2427401 - Disclosure - SUBSEQUENT EVENTS (Details)", "role": "http://shipfinance.bm/role/SubsequentEventsDetails", "shortName": "SUBSEQUENT EVENTS (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "D2020Q1FEB18-FEB18_us-gaap_SubsequentEventTypeAxis_us-gaap_SubsequentEventMember", "decimals": "INF", "lang": null, "name": "us-gaap:CommonStockDividendsPerShareDeclared", "reportCount": 1, "unique": true, "unitRef": "usdPerShare", "xsiNil": "false" } }, "R12": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SegmentReportingDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2104100 - Disclosure - SEGMENT INFORMATION", "role": "http://shipfinance.bm/role/SegmentInformation", "shortName": "SEGMENT INFORMATION", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SegmentReportingDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R13": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2105100 - Disclosure - TAXATION", "role": "http://shipfinance.bm/role/Taxation", "shortName": "TAXATION", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R14": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:EarningsPerShareTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2106100 - Disclosure - EARNINGS PER SHARE", "role": "http://shipfinance.bm/role/EarningsPerShare", "shortName": "EARNINGS PER SHARE", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:EarningsPerShareTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R15": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OperatingLeasesOfLessorDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2107100 - Disclosure - OPERATING LEASES", "role": "http://shipfinance.bm/role/OperatingLeases", "shortName": "OPERATING LEASES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OperatingLeasesOfLessorDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R16": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:GainOnSaleOfAssetsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2108100 - Disclosure - GAIN/(LOSS) ON SALE OF ASSETS AND TERMINATION OF CHARTERS", "role": "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfCharters", "shortName": "GAIN/(LOSS) ON SALE OF ASSETS AND TERMINATION OF CHARTERS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:GainOnSaleOfAssetsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R17": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2109100 - Disclosure - GAIN ON SALE OF SUBSIDIARIES AND DISPOSAL GROUPS", "role": "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroups", "shortName": "GAIN ON SALE OF SUBSIDIARIES AND DISPOSAL GROUPS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R18": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OtherIncomeAndOtherExpenseDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2110100 - Disclosure - OTHER FINANCIAL ITEMS, NET", "role": "http://shipfinance.bm/role/OtherFinancialItemsNet", "shortName": "OTHER FINANCIAL ITEMS, NET", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OtherIncomeAndOtherExpenseDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R19": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2111100 - Disclosure - INVESTMENTS IN DEBT AND EQUITY SECURITIES", "role": "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecurities", "shortName": "INVESTMENTS IN DEBT AND EQUITY SECURITIES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R2": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "sfl:DirectFinancingLeaseInterestIncomeFromRelatedParties", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1001000 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS", "role": "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations", "shortName": "CONSOLIDATED STATEMENTS OF OPERATIONS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "lang": null, "name": "sfl:Interestincomeothersalestypedirectfinancingleasesandleasebackassets", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R20": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2112100 - Disclosure - TRADE ACCOUNTS RECEIVABLE AND OTHER RECEIVABLES", "role": "http://shipfinance.bm/role/TradeAccountsReceivableAndOtherReceivables", "shortName": "TRADE ACCOUNTS RECEIVABLE AND OTHER RECEIVABLES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R21": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2113100 - Disclosure - VESSELS AND EQUIPMENT, NET", "role": "http://shipfinance.bm/role/VesselsAndEquipmentNet", "shortName": "VESSELS AND EQUIPMENT, NET", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R22": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LesseeFinanceLeasesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2114100 - Disclosure - VESSELS UNDER FINANCE LEASE, NET", "role": "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNet", "shortName": "VESSELS UNDER FINANCE LEASE, NET", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LesseeFinanceLeasesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R23": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OtherAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2115100 - Disclosure - OTHER LONG TERM ASSETS", "role": "http://shipfinance.bm/role/OtherLongTermAssets", "shortName": "OTHER LONG TERM ASSETS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OtherAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R24": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:LessorSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2116100 - Disclosure - INVESTMENTS IN SALES-TYPE LEASES, DIRECT FINANCING LEASES AND LEASEBACK ASSETS", "role": "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssets", "shortName": "INVESTMENTS IN SALES-TYPE LEASES, DIRECT FINANCING LEASES AND LEASEBACK ASSETS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:LessorSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R25": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:EquityMethodInvestmentsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2117100 - Disclosure - INVESTMENT IN ASSOCIATED COMPANIES", "role": "http://shipfinance.bm/role/InvestmentInAssociatedCompanies", "shortName": "INVESTMENT IN ASSOCIATED COMPANIES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:EquityMethodInvestmentsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R26": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2118100 - Disclosure - ACCRUED EXPENSES", "role": "http://shipfinance.bm/role/AccruedExpenses", "shortName": "ACCRUED EXPENSES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R27": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2119100 - Disclosure - OTHER CURRENT LIABILITIES OTHER CURRENT LIABILITIES", "role": "http://shipfinance.bm/role/OtherCurrentLiabilitiesOtherCurrentLiabilities", "shortName": "OTHER CURRENT LIABILITIES OTHER CURRENT LIABILITIES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R28": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DebtDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2120100 - Disclosure - SHORT-TERM AND LONG-TERM DEBT", "role": "http://shipfinance.bm/role/ShortTermAndLongTermDebt", "shortName": "SHORT-TERM AND LONG-TERM DEBT", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DebtDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R29": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OtherLiabilitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2121100 - Disclosure - FINANCE LEASE LIABILITY AND OTHER LONG-TERM LIABILITIES", "role": "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilities", "shortName": "FINANCE LEASE LIABILITY AND OTHER LONG-TERM LIABILITIES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OtherLiabilitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R3": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:NetIncomeLoss", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1002000 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME", "role": "http://shipfinance.bm/role/ConsolidatedStatementsOfComprehensiveIncome", "shortName": "CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "lang": null, "name": "us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R30": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2122100 - Disclosure - SHARE CAPITAL, ADDITIONAL PAID-IN CAPITAL AND CONTRIBUTED SURPLUS", "role": "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplus", "shortName": "SHARE CAPITAL, ADDITIONAL PAID-IN CAPITAL AND CONTRIBUTED SURPLUS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R31": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2123100 - Disclosure - SHARE OPTION PLAN", "role": "http://shipfinance.bm/role/ShareOptionPlan", "shortName": "SHARE OPTION PLAN", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R32": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2124100 - Disclosure - RELATED PARTY TRANSACTIONS", "role": "http://shipfinance.bm/role/RelatedPartyTransactions", "shortName": "RELATED PARTY TRANSACTIONS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R33": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2125100 - Disclosure - FINANCIAL INSTRUMENTS", "role": "http://shipfinance.bm/role/FinancialInstruments", "shortName": "FINANCIAL INSTRUMENTS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R34": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2126100 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES", "role": "http://shipfinance.bm/role/CommitmentsAndContingentLiabilities", "shortName": "COMMITMENTS AND CONTINGENT LIABILITIES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R35": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:ConsolidatedVariableInterestEntitiesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2127100 - Disclosure - CONSOLIDATED VARIABLE INTEREST ENTITIES", "role": "http://shipfinance.bm/role/ConsolidatedVariableInterestEntities", "shortName": "CONSOLIDATED VARIABLE INTEREST ENTITIES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:ConsolidatedVariableInterestEntitiesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R36": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SubsequentEventsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2127100 - Disclosure - SUBSEQUENT EVENTS", "role": "http://shipfinance.bm/role/SubsequentEvents", "shortName": "SUBSEQUENT EVENTS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SubsequentEventsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R37": { "firstAnchor": { "ancestors": [ "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:BasisOfAccountingPolicyPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2202201 - Disclosure - ACCOUNTING POLICIES (Policies)", "role": "http://shipfinance.bm/role/AccountingPoliciesPolicies", "shortName": "ACCOUNTING POLICIES (Policies)", "subGroupType": "policies", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:BasisOfAccountingPolicyPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R38": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2306301 - Disclosure - EARNINGS PER SHARE (Tables)", "role": "http://shipfinance.bm/role/EarningsPerShareTables", "shortName": "EARNINGS PER SHARE (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R39": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2307301 - Disclosure - OPERATING LEASES (Tables)", "role": "http://shipfinance.bm/role/OperatingLeasesTables", "shortName": "OPERATING LEASES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R4": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1003000 - Statement - CONSOLIDATED BALANCE SHEETS", "role": "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "shortName": "CONSOLIDATED BALANCE SHEETS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R40": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:RealizedGainLossOnDisposalOfAssetsAndTerminationOfChartersTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2308301 - Disclosure - GAIN/(LOSS) ON SALE OF ASSETS AND TERMINATION OF CHARTERS (Tables)", "role": "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersTables", "shortName": "GAIN/(LOSS) ON SALE OF ASSETS AND TERMINATION OF CHARTERS (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:RealizedGainLossOnDisposalOfAssetsAndTerminationOfChartersTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R41": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2309301 - Disclosure - GAIN ON SALE OF SUBSIDIARIES AND DISPOSAL GROUPS (Tables)", "role": "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroupsTables", "shortName": "GAIN ON SALE OF SUBSIDIARIES AND DISPOSAL GROUPS (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R42": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfOtherNonoperatingExpenseByComponentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2310301 - Disclosure - OTHER FINANCIAL ITEMS, NET (Tables)", "role": "http://shipfinance.bm/role/OtherFinancialItemsNetTables", "shortName": "OTHER FINANCIAL ITEMS, NET (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfOtherNonoperatingExpenseByComponentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R43": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:TradingSecuritiesAndCertainTradingAssetsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2311301 - Disclosure - INVESTMENTS IN DEBT AND EQUITY SECURITIES (Tables)", "role": "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesTables", "shortName": "INVESTMENTS IN DEBT AND EQUITY SECURITIES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:TradingSecuritiesAndCertainTradingAssetsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R44": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:VesselsAndEquipmentTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2313301 - Disclosure - VESSELS AND EQUIPMENT, NET (Tables)", "role": "http://shipfinance.bm/role/VesselsAndEquipmentNetTables", "shortName": "VESSELS AND EQUIPMENT, NET (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:VesselsAndEquipmentTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R45": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:AssetsAndLiabilitiesLesseeTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2314301 - Disclosure - VESSELS UNDER FINANCE LEASE, NET (Tables)", "role": "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetTables", "shortName": "VESSELS UNDER FINANCE LEASE, NET (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:AssetsAndLiabilitiesLesseeTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R46": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfOtherAssetsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2315301 - Disclosure - OTHER LONG TERM ASSETS (Tables)", "role": "http://shipfinance.bm/role/OtherLongTermAssetsTables", "shortName": "OTHER LONG TERM ASSETS (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfOtherAssetsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R47": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:ScheduleOfSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2316301 - Disclosure - INVESTMENTS IN SALES-TYPE LEASES, DIRECT FINANCING LEASES AND LEASEBACK ASSETS (Tables)", "role": "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsTables", "shortName": "INVESTMENTS IN SALES-TYPE LEASES, DIRECT FINANCING LEASES AND LEASEBACK ASSETS (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:ScheduleOfSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R48": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:EquityMethodInvestmentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2317301 - Disclosure - INVESTMENT IN ASSOCIATED COMPANIES (Tables)", "role": "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesTables", "shortName": "INVESTMENT IN ASSOCIATED COMPANIES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:EquityMethodInvestmentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R49": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2318301 - Disclosure - ACCRUED EXPENSES (Tables)", "role": "http://shipfinance.bm/role/AccruedExpensesTables", "shortName": "ACCRUED EXPENSES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R5": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:CommonStockParOrStatedValuePerShare", "reportCount": 1, "unitRef": "usdPerShare", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1003501 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)", "role": "http://shipfinance.bm/role/ConsolidatedBalanceSheetsParenthetical", "shortName": "CONSOLIDATED BALANCE SHEETS (Parenthetical)", "subGroupType": "parenthetical", "uniqueAnchor": null }, "R50": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2319301 - Disclosure - OTHER CURRENT LIABILITIES (Tables)", "role": "http://shipfinance.bm/role/OtherCurrentLiabilitiesTables", "shortName": "OTHER CURRENT LIABILITIES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R51": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDebtTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2320301 - Disclosure - SHORT-TERM AND LONG-TERM DEBT (Tables)", "role": "http://shipfinance.bm/role/ShortTermAndLongTermDebtTables", "shortName": "SHORT-TERM AND LONG-TERM DEBT (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDebtTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R52": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:ScheduleOfOtherLongTermLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2321301 - Disclosure - FINANCE LEASE LIABILITY AND OTHER LONG-TERM LIABILITIES (Tables)", "role": "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesTables", "shortName": "FINANCE LEASE LIABILITY AND OTHER LONG-TERM LIABILITIES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:ScheduleOfOtherLongTermLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R53": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfStockByClassTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2322301 - Disclosure - SHARE CAPITAL, ADDITIONAL PAID-IN CAPITAL AND CONTRIBUTED SURPLUS (Tables)", "role": "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusTables", "shortName": "SHARE CAPITAL, ADDITIONAL PAID-IN CAPITAL AND CONTRIBUTED SURPLUS (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfStockByClassTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R54": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2323301 - Disclosure - SHARE OPTION PLAN (Tables)", "role": "http://shipfinance.bm/role/ShareOptionPlanTables", "shortName": "SHARE OPTION PLAN (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R55": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:RelatedPartyTransactionsAmountsDueFromAndDueToRelatedPartiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2324301 - Disclosure - RELATED PARTY TRANSACTIONS (Tables)", "role": "http://shipfinance.bm/role/RelatedPartyTransactionsTables", "shortName": "RELATED PARTY TRANSACTIONS (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:RelatedPartyTransactionsAmountsDueFromAndDueToRelatedPartiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R56": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfCashFlowHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2325301 - Disclosure - FINANCIAL INSTRUMENTS (Tables)", "role": "http://shipfinance.bm/role/FinancialInstrumentsTables", "shortName": "FINANCIAL INSTRUMENTS (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfCashFlowHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R57": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:ScheduleOfAssetsPledgedTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2326301 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES (Tables)", "role": "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesTables", "shortName": "COMMITMENTS AND CONTINGENT LIABILITIES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:ScheduleOfAssetsPledgedTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R58": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "sfl:NumberOfVeryLargeCrudeOilCarriersOwned", "reportCount": 1, "unitRef": "carrier", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2401401 - Disclosure - GENERAL (Details)", "role": "http://shipfinance.bm/role/GeneralDetails", "shortName": "GENERAL (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "INF", "lang": null, "name": "sfl:NumberofSuezmaxcrudeoilcarriers", "reportCount": 1, "unique": true, "unitRef": "carrier", "xsiNil": "false" } }, "R59": { "firstAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:EquityMethodInvestmentsPolicy", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "sfl:NumberOfUltraDeepwaterDrillingUnitsOwned", "reportCount": 1, "unitRef": "drilling_rig", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402402 - Disclosure - ACCOUNTING POLICIES (Details)", "role": "http://shipfinance.bm/role/AccountingPoliciesDetails", "shortName": "ACCOUNTING POLICIES (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:EquityMethodInvestmentsPolicy", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "INF", "lang": null, "name": "sfl:Numberofwhollyownedsubsidiariesthatowndrillingunitsaccountedforusingtheequitymethod", "reportCount": 1, "unique": true, "unitRef": "vessel", "xsiNil": "false" } }, "R6": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:NetIncomeLoss", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1004000 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS", "role": "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows", "shortName": "CONSOLIDATED STATEMENTS OF CASH FLOWS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "lang": null, "name": "us-gaap:AmortizationOfFinancingCosts", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R60": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:RetainedEarningsAccumulatedDeficit", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2403401 - Disclosure - RECENTLY ISSUED ACCOUNTING STANDARDS (Details)", "role": "http://shipfinance.bm/role/RecentlyIssuedAccountingStandardsDetails", "shortName": "RECENTLY ISSUED ACCOUNTING STANDARDS (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "I2020Q1JAN01_srt_RangeAxis_srt_MaximumMember_srt_StatementScenarioAxis_srt_ScenarioForecastMember_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_us-gaap_AccountingStandardsUpdate201613Member", "decimals": "-6", "lang": null, "name": "us-gaap:RetainedEarningsAccumulatedDeficit", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R61": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:NumberOfReportableSegments", "reportCount": 1, "unique": true, "unitRef": "segment", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2404401 - Disclosure - SEGMENT INFORMATION (Details)", "role": "http://shipfinance.bm/role/SegmentInformationDetails", "shortName": "SEGMENT INFORMATION (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:NumberOfReportableSegments", "reportCount": 1, "unique": true, "unitRef": "segment", "xsiNil": "false" } }, "R62": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2406402 - Disclosure - EARNINGS PER SHARE (Details)", "role": "http://shipfinance.bm/role/EarningsPerShareDetails", "shortName": "EARNINGS PER SHARE (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R63": { "firstAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "D2016Q4October2016", "decimals": "INF", "first": true, "lang": null, "name": "sfl:Sharesissuedandloanedtoaffiliate", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2406403 - Disclosure - EARNINGS PER SHARE (Narrative) (Details)", "role": "http://shipfinance.bm/role/EarningsPerShareNarrativeDetails", "shortName": "EARNINGS PER SHARE (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "D2016Q4October2016", "decimals": "INF", "first": true, "lang": null, "name": "sfl:Sharesissuedandloanedtoaffiliate", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R64": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2407402 - Disclosure - OPERATING LEASES (Details)", "role": "http://shipfinance.bm/role/OperatingLeasesDetails", "shortName": "OPERATING LEASES (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R65": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "sfl:RealizedGainLossOnDisposalOfAssetsAndTerminationOfChartersTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:GainLossOnDispositionOfAssets", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2408402 - Disclosure - GAIN/(LOSS) ON SALE OF ASSETS AND TERMINATION OF CHARTERS (Summary) (Details)", "role": "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersSummaryDetails", "shortName": "GAIN/(LOSS) ON SALE OF ASSETS AND TERMINATION OF CHARTERS (Summary) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "sfl:RealizedGainLossOnDisposalOfAssetsAndTerminationOfChartersTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "lang": null, "name": "sfl:GainLossOnTerminationOfCharters", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R66": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "sfl:RealizedGainLossOnDisposalOfAssetsAndTerminationOfChartersTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "sfl:Thegainlossonsettlementofloannotesreceivable", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2408403 - Disclosure - GAIN/(LOSS) ON SALE OF ASSETS AND TERMINATION OF CHARTERS (Gain on Sale of Vessels) (Details)", "role": "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "shortName": "GAIN/(LOSS) ON SALE OF ASSETS AND TERMINATION OF CHARTERS (Gain on Sale of Vessels) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_sfl_CrudeOilTankersMember", "decimals": "INF", "lang": null, "name": "sfl:NumberOfVesselsSold", "reportCount": 1, "unique": true, "unitRef": "vessel", "xsiNil": "false" } }, "R67": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2017Q4YTD_srt_CounterpartyNameAxis_sfl_ApexindoMember", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DebtInstrumentTerm", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2408404 - Disclosure - GAIN/(LOSS) ON SALE OF ASSETS AND TERMINATION OF CHARTERS (Gain on Termination of Charters) (Details)", "role": "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnTerminationOfChartersDetails", "shortName": "GAIN/(LOSS) ON SALE OF ASSETS AND TERMINATION OF CHARTERS (Gain on Termination of Charters) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2017Q4YTD_srt_CounterpartyNameAxis_sfl_ApexindoMember", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DebtInstrumentTerm", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R68": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2018Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2409402 - Disclosure - GAIN ON SALE OF SUBSIDIARIES AND DISPOSAL GROUPS (Narrative) (Details)", "role": "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroupsNarrativeDetails", "shortName": "GAIN ON SALE OF SUBSIDIARIES AND DISPOSAL GROUPS (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2018Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R69": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2018Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2409403 - Disclosure - GAIN ON SALE OF SUBSIDIARIES AND DISPOSAL GROUPS (Details)", "role": "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroupsDetails", "shortName": "GAIN ON SALE OF SUBSIDIARIES AND DISPOSAL GROUPS (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2018Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R7": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2016Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:CommonStockSharesOutstanding", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1005000 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY", "role": "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "shortName": "CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2016Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:CommonStockSharesOutstanding", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R70": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "D2015Q4Oct15", "decimals": null, "first": true, "lang": "en-US", "name": "sfl:TermOfLeaseOrCharter", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2410402 - Disclosure - OTHER FINANCIAL ITEMS, NET (Details)", "role": "http://shipfinance.bm/role/OtherFinancialItemsNetDetails", "shortName": "OTHER FINANCIAL ITEMS, NET (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfOtherNonoperatingExpenseByComponentTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "lang": null, "name": "sfl:DerivativeInstrumentsNotDesignatedasHedgingInstrumentsNetCashPayments", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R71": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:DebtSecuritiesAvailableForSaleTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2018Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:AvailableForSaleSecuritiesDebtSecurities", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2411402 - Disclosure - INVESTMENTS IN DEBT AND EQUITY SECURITIES (Schedule of Marketable Securities) (Details)", "role": "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfMarketableSecuritiesDetails", "shortName": "INVESTMENTS IN DEBT AND EQUITY SECURITIES (Schedule of Marketable Securities) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:TradingSecuritiesAndCertainTradingAssetsTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "lang": null, "name": "us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R72": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:DebtSecuritiesAvailableForSaleTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2411403 - Disclosure - INVESTMENTS IN DEBT AND EQUITY SECURITIES (Schedule of Corporate Bonds) (Details)", "role": "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfCorporateBondsDetails", "shortName": "INVESTMENTS IN DEBT AND EQUITY SECURITIES (Schedule of Corporate Bonds) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:DebtSecuritiesAvailableForSaleTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R73": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "sfl:RepurchaseOfBonds", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2411404 - Disclosure - INVESTMENTS IN DEBT AND EQUITY SECURITIES (Narrative) (Details)", "role": "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "shortName": "INVESTMENTS IN DEBT AND EQUITY SECURITIES (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD_us-gaap_FinancialInstrumentAxis_sfl_CorporateBondSecurities_NorAmDrillingMember", "decimals": "-5", "lang": null, "name": "sfl:RepurchaseOfBonds", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R74": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:TradingSecuritiesAndCertainTradingAssetsTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:EquitySecuritiesFvNi", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2411405 - Disclosure - INVESTMENTS IN DEBT AND EQUITY SECURITIES (Shares) (Details)", "role": "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesSharesDetails", "shortName": "INVESTMENTS IN DEBT AND EQUITY SECURITIES (Shares) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4_us-gaap_FinancialInstrumentAxis_sfl_CommonstockFrontlineLtdMember", "decimals": "-3", "lang": null, "name": "us-gaap:EquitySecuritiesFvNi", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R75": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:AllowanceForDoubtfulAccountsReceivable", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2412401 - Disclosure - TRADE ACCOUNTS RECEIVABLE AND OTHER RECEIVABLES (Details)", "role": "http://shipfinance.bm/role/TradeAccountsReceivableAndOtherReceivablesDetails", "shortName": "TRADE ACCOUNTS RECEIVABLE AND OTHER RECEIVABLES (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:AllowanceForDoubtfulAccountsReceivable", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R76": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "sfl:VesselsAndEquipmentTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_sfl_ContainervesselsMember", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:PropertyPlantAndEquipmentGross", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2413402 - Disclosure - VESSELS AND EQUIPMENT, NET (Schedule of Vessels and Equipment) (Details)", "role": "http://shipfinance.bm/role/VesselsAndEquipmentNetScheduleOfVesselsAndEquipmentDetails", "shortName": "VESSELS AND EQUIPMENT, NET (Schedule of Vessels and Equipment) (Details)", "subGroupType": "details", "uniqueAnchor": null }, "R77": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "sfl:NumberOfVesselsSold", "reportCount": 1, "unitRef": "containership", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2413403 - Disclosure - VESSELS AND EQUIPMENT, NET (Narrative) (Details)", "role": "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails", "shortName": "VESSELS AND EQUIPMENT, NET (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "INF", "lang": null, "name": "sfl:Numberofcontainervesselsimpaired", "reportCount": 1, "unique": true, "unitRef": "containership", "xsiNil": "false" } }, "R78": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "sfl:AssetsAndLiabilitiesLesseeTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "sfl:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2414402 - Disclosure - VESSELS UNDER FINANCE LEASE, NET (Schedule of Finance Lease) (Details)", "role": "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetScheduleOfFinanceLeaseDetails", "shortName": "VESSELS UNDER FINANCE LEASE, NET (Schedule of Finance Lease) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "sfl:AssetsAndLiabilitiesLesseeTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "sfl:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R79": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "I2018Q1May312018", "decimals": "INF", "first": true, "lang": null, "name": "sfl:NumberofContainerVesselsaccountedforasrightofuseassets", "reportCount": 1, "unitRef": "containership", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2414403 - Disclosure - VESSELS UNDER FINANCE LEASE, NET (Details)", "role": "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails", "shortName": "VESSELS UNDER FINANCE LEASE, NET (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2018Q4YTD", "decimals": "-5", "lang": null, "name": "sfl:ReclassificationofVesselsandEquipmenttoVesselsunderfinancelease", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R8": { "firstAnchor": null, "groupType": "statement", "isDefault": "false", "longName": "1005001 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical)", "role": "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquityParenthetical", "shortName": "CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical)", "subGroupType": "parenthetical", "uniqueAnchor": null }, "R80": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfOtherAssetsTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "sfl:CapitalizedInstallationCosts", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2415402 - Disclosure - OTHER LONG TERM ASSETS (Schedule of Long-Term Assets) (Details)", "role": "http://shipfinance.bm/role/OtherLongTermAssetsScheduleOfLongTermAssetsDetails", "shortName": "OTHER LONG TERM ASSETS (Schedule of Long-Term Assets) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfOtherAssetsTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "lang": null, "name": "us-gaap:DepositAssets", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R81": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2018Q4", "decimals": "0", "first": true, "lang": null, "name": "sfl:Numberofvesselsbeingupgraded", "reportCount": 1, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2415403 - Disclosure - OTHER LONG TERM ASSETS OTHER LONG TERM ASSETS (Narrative) (Details)", "role": "http://shipfinance.bm/role/OtherLongTermAssetsOtherLongTermAssetsNarrativeDetails", "shortName": "OTHER LONG TERM ASSETS OTHER LONG TERM ASSETS (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ConstructionInProgressMember", "decimals": "0", "lang": null, "name": "sfl:Numberofvesselsbeingupgraded", "reportCount": 1, "unique": true, "unitRef": "containership", "xsiNil": "false" } }, "R82": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivable", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2416402 - Disclosure - INVESTMENTS IN SALES-TYPE LEASES, DIRECT FINANCING LEASES AND LEASEBACK ASSETS (Schedule of Investments in Sales-Type and Direct Financing Leases and Leaseback Assets) (Details)", "role": "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfInvestmentsInSalesTypeAndDirectFinancingLeasesAndLeasebackAssetsDetails", "shortName": "INVESTMENTS IN SALES-TYPE LEASES, DIRECT FINANCING LEASES AND LEASEBACK ASSETS (Schedule of Investments in Sales-Type and Direct Financing Leases and Leaseback Assets) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivable", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R83": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "INF", "first": true, "lang": null, "name": "sfl:NumberOfVLCCsSoldDirectFinancingLease", "reportCount": 1, "unique": true, "unitRef": "vessel", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2416403 - Disclosure - INVESTMENTS IN SALES-TYPE LEASES, DIRECT FINANCING LEASES AND LEASEBACK ASSETS (Narrative) (Details)", "role": "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "shortName": "INVESTMENTS IN SALES-TYPE LEASES, DIRECT FINANCING LEASES AND LEASEBACK ASSETS (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "INF", "first": true, "lang": null, "name": "sfl:NumberOfVLCCsSoldDirectFinancingLease", "reportCount": 1, "unique": true, "unitRef": "vessel", "xsiNil": "false" } }, "R84": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "sfl:ScheduleOfSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "sfl:TotalMinimumLeasePaymentsToBeReceived", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2416404 - Disclosure - INVESTMENTS IN SALES-TYPE LEASES, DIRECT FINANCING LEASES AND LEASEBACK ASSETS (Components of Investments in Direct Financing and Sales-type Leases) (Details)", "role": "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails", "shortName": "INVESTMENTS IN SALES-TYPE LEASES, DIRECT FINANCING LEASES AND LEASEBACK ASSETS (Components of Investments in Direct Financing and Sales-type Leases) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "sfl:ScheduleOfSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "sfl:TotalMinimumLeasePaymentsToBeReceived", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R85": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "sfl:LessorSalesTypeLeasesDirectFinancingLeases.AndLeasebackAssetsLeasePaymentsToBeReceivedMaturityTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2416405 - Disclosure - INVESTMENTS IN SALES-TYPE LEASES, DIRECT FINANCING LEASES AND LEASEBACK ASSETS (Schedule of Minimum Future Gross Revenues) (Details)", "role": "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails", "shortName": "INVESTMENTS IN SALES-TYPE LEASES, DIRECT FINANCING LEASES AND LEASEBACK ASSETS (Schedule of Minimum Future Gross Revenues) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "sfl:LessorSalesTypeLeasesDirectFinancingLeases.AndLeasebackAssetsLeasePaymentsToBeReceivedMaturityTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R86": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "sfl:DirectFinancingLeaseInterestIncomeFromRelatedParties", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2416406 - Disclosure - INVESTMENTS IN SALES-TYPE LEASES, DIRECT FINANCING LEASES AND LEASEBACK ASSETS (Schedule of Interest Income) (Details)", "role": "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfInterestIncomeDetails", "shortName": "INVESTMENTS IN SALES-TYPE LEASES, DIRECT FINANCING LEASES AND LEASEBACK ASSETS (Schedule of Interest Income) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "sfl:InvestmentInLeaseAndLeasebackAssetsLeaseIncomeTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "lang": null, "name": "us-gaap:SalesTypeAndDirectFinancingLeasesInterestIncome", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R87": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2017Q3", "decimals": "2", "first": true, "lang": null, "name": "sfl:ProportionofsecuredbanklendersinrestructuringagreementwithSeadrillLimited", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2417402 - Disclosure - INVESTMENT IN ASSOCIATED COMPANIES (Details)", "role": "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails", "shortName": "INVESTMENT IN ASSOCIATED COMPANIES (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2017Q3", "decimals": "2", "first": true, "lang": null, "name": "sfl:ProportionofsecuredbanklendersinrestructuringagreementwithSeadrillLimited", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R88": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "sfl:ShipOperatingExpensesPayable", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2418402 - Disclosure - ACCRUED EXPENSES (Details)", "role": "http://shipfinance.bm/role/AccruedExpensesDetails", "shortName": "ACCRUED EXPENSES (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "sfl:ShipOperatingExpensesPayable", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R89": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DeferredRevenueCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2419402 - Disclosure - OTHER CURRENT LIABILITIES (Details)", "role": "http://shipfinance.bm/role/OtherCurrentLiabilitiesDetails", "shortName": "OTHER CURRENT LIABILITIES (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DeferredRevenueCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R9": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:NatureOfOperations", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2101100 - Disclosure - GENERAL", "role": "http://shipfinance.bm/role/General", "shortName": "GENERAL", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:NatureOfOperations", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R90": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDebtTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LongTermDebt", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2420402 - Disclosure - SHORT-TERM AND LONG-TERM DEBT (Schedule of Long-Term Debt) (Details)", "role": "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails", "shortName": "SHORT-TERM AND LONG-TERM DEBT (Schedule of Long-Term Debt) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDebtTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "lang": null, "name": "us-gaap:DebtIssuanceCostsLineOfCreditArrangementsNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R91": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "sfl:ScheduleofMaturitiesofDebtTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2420403 - Disclosure - SHORT-TERM AND LONG-TERM DEBT (Schedule of Debt Principal) (Details)", "role": "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfDebtPrincipalDetails", "shortName": "SHORT-TERM AND LONG-TERM DEBT (Schedule of Debt Principal) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "sfl:ScheduleofMaturitiesofDebtTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R92": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "4", "first": true, "lang": null, "name": "sfl:ThreeMonthUSDollarLiborRate", "reportCount": 1, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2420404 - Disclosure - SHORT-TERM AND LONG-TERM DEBT (Narrative) (Details)", "role": "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "shortName": "SHORT-TERM AND LONG-TERM DEBT (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2018Q4", "decimals": "-5", "lang": null, "name": "us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R93": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "sfl:ScheduleOfOtherLongTermLiabilitiesTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "sfl:UnamortizedSellersCredits", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2421402 - Disclosure - FINANCE LEASE LIABILITY AND OTHER LONG-TERM LIABILITIES (Schedule of Other Long-Term Liabilities) (Details)", "role": "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfOtherLongTermLiabilitiesDetails", "shortName": "FINANCE LEASE LIABILITY AND OTHER LONG-TERM LIABILITIES (Schedule of Other Long-Term Liabilities) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "sfl:ScheduleOfOtherLongTermLiabilitiesTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "sfl:UnamortizedSellersCredits", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R94": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "sfl:Numberofoffshoresupplyvesselswhichhadasellerscreditwhichwereimpaired", "reportCount": 1, "unitRef": "containership", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2421403 - Disclosure - FINANCE LEASE LIABILITY AND OTHER LONG-TERM LIABILITIES (Narrative) (Details)", "role": "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails", "shortName": "FINANCE LEASE LIABILITY AND OTHER LONG-TERM LIABILITIES (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "lang": null, "name": "us-gaap:FinanceLeaseInterestExpense", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R95": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:FinanceLeaseLiabilityCurrent", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2421404 - Disclosure - FINANCE LEASE LIABILITY AND OTHER LONG-TERM LIABILITIES (Schedule of Finance Leases) (Details)", "role": "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFinanceLeasesDetails", "shortName": "FINANCE LEASE LIABILITY AND OTHER LONG-TERM LIABILITIES (Schedule of Finance Leases) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "sfl:LesseeFinanceLeasesDisclosureTableTextBlock", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2018Q4", "decimals": "-3", "lang": null, "name": "us-gaap:CapitalLeaseObligations", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R96": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2421405 - Disclosure - FINANCE LEASE LIABILITY AND OTHER LONG-TERM LIABILITIES (Schedule of Future Minimum Lease Payments) (Details)", "role": "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFutureMinimumLeasePaymentsDetails", "shortName": "FINANCE LEASE LIABILITY AND OTHER LONG-TERM LIABILITIES (Schedule of Future Minimum Lease Payments) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R97": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "sfl:CommonStockValueAuthorized", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2422402 - Disclosure - SHARE CAPITAL, ADDITIONAL PAID-IN CAPITAL AND CONTRIBUTED SURPLUS (Details)", "role": "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusDetails", "shortName": "SHARE CAPITAL, ADDITIONAL PAID-IN CAPITAL AND CONTRIBUTED SURPLUS (Details)", "subGroupType": "details", "uniqueAnchor": null }, "R98": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised", "reportCount": 1, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2422403 - Disclosure - SHARE CAPITAL, ADDITIONAL PAID-IN CAPITAL AND CONTRIBUTED SURPLUS (Narrative) (Details)", "role": "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "shortName": "SHARE CAPITAL, ADDITIONAL PAID-IN CAPITAL AND CONTRIBUTED SURPLUS (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FI2018Q4", "decimals": "INF", "lang": null, "name": "sfl:Increaseinauthorisedcommonstock", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R99": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2423402 - Disclosure - SHARE OPTION PLAN (Narrative) (Details)", "role": "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails", "shortName": "SHARE OPTION PLAN (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "sfl201920-f.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } } }, "segmentCount": 219, "tag": { "dei_AddressTypeDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "An entity may have several addresses for different purposes and this domain represents all such types.", "label": "Address Type [Domain]", "terseLabel": "Address Type [Domain]" } } }, "localname": "AddressTypeDomain", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "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", "terseLabel": "Amendment Flag" } } }, "localname": "AmendmentFlag", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "booleanItemType" }, "dei_BusinessContactMember": { "auth_ref": [ "r518" ], "lang": { "en-US": { "role": { "documentation": "Business contact for the entity", "label": "Business Contact [Member]", "terseLabel": "Business Contact" } } }, "localname": "BusinessContactMember", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "domainItemType" }, "dei_CityAreaCode": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Area code of city", "label": "City Area Code", "terseLabel": "City Area Code" } } }, "localname": "CityAreaCode", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_ContactPersonnelFaxNumber": { "auth_ref": [ "r514" ], "lang": { "en-US": { "role": { "documentation": "Fax Number of contact personnel.", "label": "Contact Personnel Fax Number", "terseLabel": "Contact Personnel Fax Number" } } }, "localname": "ContactPersonnelFaxNumber", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_ContactPersonnelName": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of contact personnel", "label": "Contact Personnel Name", "terseLabel": "Contact Personnel Name" } } }, "localname": "ContactPersonnelName", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_CoverAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Cover page.", "label": "Cover page." } } }, "localname": "CoverAbstract", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "xbrltype": "stringItemType" }, "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", "terseLabel": "Current Fiscal Year End Date" } } }, "localname": "CurrentFiscalYearEndDate", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "gMonthDayItemType" }, "dei_DocumentAccountingStandard": { "auth_ref": [ "r515" ], "lang": { "en-US": { "role": { "documentation": "The basis of accounting the registrant has used to prepare the financial statements included in this filing This can either be 'U.S. GAAP', 'International Financial Reporting Standards', or 'Other'.", "label": "Document Accounting Standard", "terseLabel": "Document Accounting Standard" } } }, "localname": "DocumentAccountingStandard", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "accountingStandardItemType" }, "dei_DocumentAnnualReport": { "auth_ref": [ "r517" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true only for a form used as an annual report.", "label": "Document Annual Report", "terseLabel": "Document Annual Report" } } }, "localname": "DocumentAnnualReport", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "booleanItemType" }, "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", "terseLabel": "Document Fiscal Period Focus" } } }, "localname": "DocumentFiscalPeriodFocus", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "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", "terseLabel": "Document Fiscal Year Focus" } } }, "localname": "DocumentFiscalYearFocus", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "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", "terseLabel": "Document Period End Date" } } }, "localname": "DocumentPeriodEndDate", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "dateItemType" }, "dei_DocumentRegistrationStatement": { "auth_ref": [ "r518" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true only for a form used as a registration statement.", "label": "Document Registration Statement", "terseLabel": "Document Registration Statement" } } }, "localname": "DocumentRegistrationStatement", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "booleanItemType" }, "dei_DocumentShellCompanyReport": { "auth_ref": [ "r515" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true for a Shell Company Report pursuant to section 13 or 15(d) of the Exchange Act.", "label": "Document Shell Company Report", "terseLabel": "Document Shell Company Report" } } }, "localname": "DocumentShellCompanyReport", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "booleanItemType" }, "dei_DocumentTransitionReport": { "auth_ref": [ "r516" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true only for a form used as a transition report.", "label": "Document Transition Report", "terseLabel": "Document Transition Report" } } }, "localname": "DocumentTransitionReport", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "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", "terseLabel": "Document Type" } } }, "localname": "DocumentType", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "submissionTypeItemType" }, "dei_EntitiesTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Container to assemble all relevant information about each entity associated with the document instance", "label": "Entities [Table]", "terseLabel": "Entities [Table]" } } }, "localname": "EntitiesTable", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "stringItemType" }, "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", "terseLabel": "Entity Address, Address Line One" } } }, "localname": "EntityAddressAddressLine1", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressAddressLine2": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Address Line 2 such as Street or Suite number", "label": "Entity Address, Address Line Two", "terseLabel": "Entity Address, Address Line Two" } } }, "localname": "EntityAddressAddressLine2", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressCityOrTown": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of the City or Town", "label": "Entity Address, City or Town", "terseLabel": "Entity Address, City or Town" } } }, "localname": "EntityAddressCityOrTown", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressCountry": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "ISO 3166-1 alpha-2 country code.", "label": "Entity Address, Country", "terseLabel": "Entity Address, Country" } } }, "localname": "EntityAddressCountry", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "countryCodeItemType" }, "dei_EntityAddressPostalZipCode": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Code for the postal or zip code", "label": "Entity Address, Postal Zip Code", "terseLabel": "Entity Address, Postal Zip Code" } } }, "localname": "EntityAddressPostalZipCode", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressesAddressTypeAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table.", "label": "Entity Addresses, Address Type [Axis]", "terseLabel": "Entity Addresses, Address Type [Axis]" } } }, "localname": "EntityAddressesAddressTypeAxis", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "stringItemType" }, "dei_EntityCentralIndexKey": { "auth_ref": [ "r519" ], "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", "terseLabel": "Entity Central Index Key" } } }, "localname": "EntityCentralIndexKey", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "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", "terseLabel": "Entity Common Stock, Shares Outstanding" } } }, "localname": "EntityCommonStockSharesOutstanding", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "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", "terseLabel": "Entity Current Reporting Status" } } }, "localname": "EntityCurrentReportingStatus", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "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://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails", "http://shipfinance.bm/role/OtherFinancialItemsNetDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLeasingAndServiceContractsDetails" ], "xbrltype": "domainItemType" }, "dei_EntityEmergingGrowthCompany": { "auth_ref": [ "r519" ], "lang": { "en-US": { "role": { "documentation": "Indicate if registrant meets the emerging growth company criteria.", "label": "Entity Emerging Growth Company", "terseLabel": "Entity Emerging Growth Company" } } }, "localname": "EntityEmergingGrowthCompany", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "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", "terseLabel": "Entity File Number" } } }, "localname": "EntityFileNumber", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "fileNumberItemType" }, "dei_EntityFilerCategory": { "auth_ref": [ "r519" ], "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", "terseLabel": "Entity Filer Category" } } }, "localname": "EntityFilerCategory", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "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", "terseLabel": "Entity Incorporation, State or Country Code" } } }, "localname": "EntityIncorporationStateCountryCode", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "edgarStateCountryItemType" }, "dei_EntityInformationLineItems": { "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": "Entity Information [Line Items]", "terseLabel": "Entity Information [Line Items]" } } }, "localname": "EntityInformationLineItems", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "stringItemType" }, "dei_EntityInteractiveDataCurrent": { "auth_ref": [ "r520" ], "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", "terseLabel": "Entity Interactive Data Current" } } }, "localname": "EntityInteractiveDataCurrent", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "yesNoItemType" }, "dei_EntityRegistrantName": { "auth_ref": [ "r519" ], "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", "terseLabel": "Entity Registrant Name" } } }, "localname": "EntityRegistrantName", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityShellCompany": { "auth_ref": [ "r519" ], "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", "terseLabel": "Entity Shell Company" } } }, "localname": "EntityShellCompany", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "booleanItemType" }, "dei_EntityVoluntaryFilers": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.", "label": "Entity Voluntary Filers", "terseLabel": "Entity Voluntary Filers" } } }, "localname": "EntityVoluntaryFilers", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "yesNoItemType" }, "dei_EntityWellKnownSeasonedIssuer": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.", "label": "Entity Well-known Seasoned Issuer", "terseLabel": "Entity Well-known Seasoned Issuer" } } }, "localname": "EntityWellKnownSeasonedIssuer", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "yesNoItemType" }, "dei_LegalEntityAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The set of legal entities associated with a report.", "label": "Legal Entity [Axis]", "terseLabel": "Legal Entity [Axis]" } } }, "localname": "LegalEntityAxis", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails", "http://shipfinance.bm/role/OtherFinancialItemsNetDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLeasingAndServiceContractsDetails" ], "xbrltype": "stringItemType" }, "dei_LocalPhoneNumber": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Local phone number for entity.", "label": "Local Phone Number", "terseLabel": "Local Phone Number" } } }, "localname": "LocalPhoneNumber", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_Security12bTitle": { "auth_ref": [ "r511" ], "lang": { "en-US": { "role": { "documentation": "Title of a 12(b) registered security.", "label": "Title of 12(b) Security", "terseLabel": "Title of 12(b) Security" } } }, "localname": "Security12bTitle", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "securityTitleItemType" }, "dei_SecurityExchangeName": { "auth_ref": [ "r512" ], "lang": { "en-US": { "role": { "documentation": "Name of the Exchange on which a security is registered.", "label": "Security Exchange Name", "terseLabel": "Security Exchange Name" } } }, "localname": "SecurityExchangeName", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "edgarExchangeCodeItemType" }, "dei_SecurityReportingObligation": { "auth_ref": [ "r513" ], "lang": { "en-US": { "role": { "documentation": "15(d), indicating whether the security has a reporting obligation under that section of the Exchange Act.", "label": "Security Reporting Obligation", "terseLabel": "Security Reporting Obligation" } } }, "localname": "SecurityReportingObligation", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "securityReportingObligationItemType" }, "dei_TradingSymbol": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Trading symbol of an instrument as listed on an exchange.", "label": "Trading Symbol", "terseLabel": "Trading Symbol" } } }, "localname": "TradingSymbol", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Cover" ], "xbrltype": "tradingSymbolItemType" }, "sfl_A10600TEUContainershipMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "10,600 TEU Containership [Member]", "label": "10,600 TEU Containership [Member]", "terseLabel": "10,600 TEU Containership" } } }, "localname": "A10600TEUContainershipMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/OtherLongTermAssetsOtherLongTermAssetsNarrativeDetails", "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "domainItemType" }, "sfl_A13800TEUContainershipMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "13,800 TEU Containership [Member]", "label": "13,800 TEU Containership [Member]", "terseLabel": "13,800 TEU Containership" } } }, "localname": "A13800TEUContainershipMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "domainItemType" }, "sfl_A14000TEUContainershipMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "14,000 TEU Containership [Member]", "label": "14,000 TEU Containership [Member]", "terseLabel": "14,000 TEU Containership" } } }, "localname": "A14000TEUContainershipMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "domainItemType" }, "sfl_ADSCrudeCarriersPlcMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "ADS Crude Carriers Plc [Member]", "label": "ADS Crude Carriers Plc [Member]", "terseLabel": "ADS Crude Carriers Plc" } } }, "localname": "ADSCrudeCarriersPlcMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "sfl_ADSMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "ADS [Member]", "label": "ADS [Member]", "terseLabel": "ADS" } } }, "localname": "ADSMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "sfl_AOCIReclassificationOfUnrealizedLossesUponAdoptionOfNewAccountingPrinciple": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity": { "order": 2.0, "parentTag": "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "AOCI, Reclassification Of Unrealized Losses Upon Adoption Of New Accounting Principle", "label": "AOCI, Reclassification Of Unrealized Losses Upon Adoption Of New Accounting Principle", "negatedTerseLabel": "Reclassification of unrealized losses upon adoption of ASU 2017-12" } } }, "localname": "AOCIReclassificationOfUnrealizedLossesUponAdoptionOfNewAccountingPrinciple", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "xbrltype": "monetaryItemType" }, "sfl_AccumulatedOtherComprehensiveIncomeLossOtherItemsAdjustmentNetOfTax": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity": { "order": 4.0, "parentTag": "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Accumulated Other Comprehensive Income (Loss), Other Items Adjustment, Net of Tax", "label": "Accumulated Other Comprehensive Income (Loss), Other Items Adjustment, Net of Tax", "terseLabel": "Other items" } } }, "localname": "AccumulatedOtherComprehensiveIncomeLossOtherItemsAdjustmentNetOfTax", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "xbrltype": "monetaryItemType" }, "sfl_AccumulatedOtherComprehensiveLossAssociatedCompaniesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Accumulated change in equity from transactions and other events and circumstances from non-owner sources at fiscal year-end - Assocciated Companies.", "label": "Accumulated other comprehensive loss associated companies [Member]", "terseLabel": "Accumulated other comprehensive loss \u2013 associated companies" } } }, "localname": "AccumulatedOtherComprehensiveLossAssociatedCompaniesMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "xbrltype": "domainItemType" }, "sfl_AcquiredCharterOutContracts": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/OtherLongTermAssetsScheduleOfLongTermAssetsDetails": { "order": 3.0, "parentTag": "us-gaap_OtherAssetsNoncurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Acquired Charter-Out Contracts", "label": "Acquired Charter-Out Contracts", "terseLabel": "Value of acquired charter-out contracts, net" } } }, "localname": "AcquiredCharterOutContracts", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/OtherLongTermAssetsScheduleOfLongTermAssetsDetails" ], "xbrltype": "monetaryItemType" }, "sfl_AdditionsToNewbuildings": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Cash outflow for construction costs on newbuilding vessels.", "label": "Additions to newbuildings", "negatedLabel": "Additions to newbuildings" } } }, "localname": "AdditionsToNewbuildings", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "sfl_AdministrativeExpensesPayable": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/AccruedExpensesDetails": { "order": 2.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable for administrative expenses. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Administrative expenses payable", "verboseLabel": "Administrative expenses" } } }, "localname": "AdministrativeExpensesPayable", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/AccruedExpensesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_AdministrativeExpensesToNonrelatedParties": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 6.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate total of expenses paid to non-related parties in connection with administering the affairs of an entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.", "label": "Administrative expenses to nonrelated parties", "verboseLabel": "Administrative expenses \u2013 other" } } }, "localname": "AdministrativeExpensesToNonrelatedParties", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "sfl_AdministrativeExpensesToRelatedParties": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 5.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate total of expenses paid to related parties in connection with administering the affairs of an entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.", "label": "Administrative expenses to related parties", "terseLabel": "Administrative expenses \u2013 related parties", "verboseLabel": "Administration Services Fees" } } }, "localname": "AdministrativeExpensesToRelatedParties", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfFeesIncurredWithRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_AgreedPeriodofCharterExtensionfollowingAmendments": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Agreed Period of Charter Extension following Amendments", "label": "Agreed Period of Charter Extension following Amendments", "terseLabel": "Agreed Period of Charter Extension following Amendments" } } }, "localname": "AgreedPeriodofCharterExtensionfollowingAmendments", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails" ], "xbrltype": "durationItemType" }, "sfl_AgreedProportionoftemporaryreductiontodailycharterrate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Agreed Proportion of temporary reduction to daily charter rate", "label": "Agreed Proportion of temporary reduction to daily charter rate", "terseLabel": "Agreed Proportion of temporary reduction to daily charter rate" } } }, "localname": "AgreedProportionoftemporaryreductiontodailycharterrate", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails" ], "xbrltype": "percentItemType" }, "sfl_AgreedTemporaryReductionInDailyTimeCharterRatesPeriod": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Term, in years, an agreed temporary reduction in daily time charter rates.", "label": "Agreed Temporary Reduction in Daily Time Charter Rates, Period", "terseLabel": "Agreed Temporary Reduction in Daily Time Charter Rates, Period" } } }, "localname": "AgreedTemporaryReductionInDailyTimeCharterRatesPeriod", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails" ], "xbrltype": "durationItemType" }, "sfl_Agreedperiodofextensiontobankloanterm": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Agreed period of extension to bank loan term", "label": "Agreed period of extension to bank loan term", "terseLabel": "Agreed period of extension to bank loan term" } } }, "localname": "Agreedperiodofextensiontobankloanterm", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails" ], "xbrltype": "durationItemType" }, "sfl_AmortizationOfCharterRelatedDeferredAssetAndStraightliningofOperatingLeases": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amortization Of Charter Related Deferred Asset And Straightlining of Operating Leases", "label": "Amortization Of Charter Related Deferred Asset And Straightlining of Operating Leases", "terseLabel": "Amortization of charter related deferred asset and straightlining of operating leases" } } }, "localname": "AmortizationOfCharterRelatedDeferredAssetAndStraightliningofOperatingLeases", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "sfl_AmortizationOfDeferredSellerCredits": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amortization of Deferred Seller Credits", "label": "Amortization of Deferred Seller Credits", "negatedTerseLabel": "Amortization of seller's credit" } } }, "localname": "AmortizationOfDeferredSellerCredits", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "sfl_AmountsRepresentingEstimatedExecutoryCostsIncludingProfitThereonIncludedInTotalMinimumLeasePayments": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails": { "order": 2.0, "parentTag": "sfl_NetMinimumLeasePaymentsReceivable", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Estimated remaining costs to be incurred to manage, operate and service the direct financing or sales-type lease, such as vessel operating costs, taxes, maintenance and insurance and the profit thereon, that are included in the minimum lease payments.", "label": "Amounts representing estimated executory costs including profit thereon, included in total minimum lease payments", "negatedLabel": "Less: amounts representing estimated executory costs including profit thereon, included in total minimum lease payments" } } }, "localname": "AmountsRepresentingEstimatedExecutoryCostsIncludingProfitThereonIncludedInTotalMinimumLeasePayments", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_ApexindoMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Apexindo [Member]", "label": "Apexindo [Member]", "terseLabel": "Apexindo" } } }, "localname": "ApexindoMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnTerminationOfChartersDetails", "http://shipfinance.bm/role/OtherFinancialItemsNetDetails" ], "xbrltype": "domainItemType" }, "sfl_AssetsAccountedForAsDirectFinancingLeasesAndLeasedToRelatedParties": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of assets that which are to be upgraded which were leased to related parties.", "label": "Assets Accounted For As Direct Financing Leases And Leased To Related Parties", "terseLabel": "Assets accounted for as direct financing leases and leased to related parties", "verboseLabel": "Number of vessels leased to related parties classified as direct financing leases" } } }, "localname": "AssetsAccountedForAsDirectFinancingLeasesAndLeasedToRelatedParties", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLeasingAndServiceContractsDetails" ], "xbrltype": "integerItemType" }, "sfl_AssetsAndLiabilitiesLesseeTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Assets And Liabilities, Lessee [Table Text Block]", "label": "Assets And Liabilities, Lessee [Table Text Block]", "terseLabel": "Schedule of of Finance Lease" } } }, "localname": "AssetsAndLiabilitiesLesseeTableTextBlock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetTables" ], "xbrltype": "textBlockItemType" }, "sfl_AssetsSubjectOfLeasesWithFixedPriceCallOptionsAndFixedPricePurchaseObligations": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of main assets subject of leases which includes both fixed price call options and fixed price purchase obligations.", "label": "Assets Subject of Leases With Fixed Price Call Options And Fixed Price Purchase Obligations", "verboseLabel": "Number of main assets subject of leases which includes both fixed price call options and fixed price purchase obligations" } } }, "localname": "AssetsSubjectOfLeasesWithFixedPriceCallOptionsAndFixedPricePurchaseObligations", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "integerItemType" }, "sfl_Assetsaccountedforassalestypelease": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Assets accounted for as sales-type lease", "label": "Assets accounted for as sales-type lease", "terseLabel": "Assets accounted for as sales-type lease" } } }, "localname": "Assetsaccountedforassalestypelease", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_BareboatCharterRevenuesFromNonRelatedParties": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 9.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Revenue from non-related parties derived from bareboat charter contracts accounted for as operating leases.", "label": "Bareboat charter revenues from non related parties", "verboseLabel": "Bareboat charter revenues \u2013 other" } } }, "localname": "BareboatCharterRevenuesFromNonRelatedParties", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "sfl_BareboatCharterRevenuesFromRelatedParties": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 8.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Revenue from related parties derived from bareboat charter contracts accounted for as operating leases.", "label": "Bareboat charter revenues from related parties", "verboseLabel": "Bareboat charter revenues \u2013 related parties" } } }, "localname": "BareboatCharterRevenuesFromRelatedParties", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "sfl_CapitalizedInstallationCosts": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/OtherLongTermAssetsScheduleOfLongTermAssetsDetails": { "order": 1.0, "parentTag": "us-gaap_OtherAssetsNoncurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Capitalized Installation Costs", "label": "Capitalized Installation Costs", "terseLabel": "Transferred costs", "verboseLabel": "Capital improvements in progress" } } }, "localname": "CapitalizedInstallationCosts", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/OtherLongTermAssetsOtherLongTermAssetsNarrativeDetails", "http://shipfinance.bm/role/OtherLongTermAssetsScheduleOfLongTermAssetsDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "sfl_Charterhirepercentagerate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Charterhire, percentage rate", "label": "Charterhire, percentage rate", "terseLabel": "Charterhire, percentage rate" } } }, "localname": "Charterhirepercentagerate", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails" ], "xbrltype": "percentItemType" }, "sfl_CommissionandBrokerageExpenses": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Commission and Brokerage Expenses", "label": "Commission and Brokerage Expenses", "terseLabel": "Commissions and Brokerage" } } }, "localname": "CommissionandBrokerageExpenses", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfFeesIncurredWithRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_CommonStockADSMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Common Stock, ADS [Member]", "label": "Common Stock, ADS [Member]", "terseLabel": "Common Stock, ADS" } } }, "localname": "CommonStockADSMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesSharesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "sfl_CommonStockDividendsPerShareDeclaredAndPaid": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Common Stock, Dividends, Per Share, Declared and Paid", "label": "Common Stock, Dividends, Per Share, Declared and Paid", "terseLabel": "Cash dividend per share declared and paid (in dollars per share)" } } }, "localname": "CommonStockDividendsPerShareDeclaredAndPaid", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "perShareItemType" }, "sfl_CommonStockValueAuthorized": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The maximum par or stated value of common shares permitted to be issued by an entity's charter and bylaws.", "label": "Common stock, value authorized", "terseLabel": "Common stock, value authorized", "verboseLabel": "Common shares, authorized" } } }, "localname": "CommonStockValueAuthorized", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusDetails", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "sfl_CommonstockFrontlineLtdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Common stock - Frontline Ltd [Member]", "label": "Common stock - Frontline Ltd [Member]", "terseLabel": "Common stock - Frontline Ltd", "verboseLabel": "Common stock - Frontline Ltd [Member]" } } }, "localname": "CommonstockFrontlineLtdMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfCorporateBondsDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesSharesDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "sfl_CommonstockNorAmDrillingMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Common stock - NorAm Drilling [Member]", "label": "Common stock - NorAm Drilling [Member]", "terseLabel": "Common stock - NorAm Drilling" } } }, "localname": "CommonstockNorAmDrillingMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesSharesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "sfl_CompanyandSubsidiariesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Company and Subsidiaries [Member]", "label": "Company and Subsidiaries [Member]", "terseLabel": "Company and Subsidiaries" } } }, "localname": "CompanyandSubsidiariesMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_CompensationPayableReceivableForEarlyContractTerminationOfCharter": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The compensation payable (receivable) for early contract termination of charter.", "label": "Compensation payable (receivable) for early contract termination of charter", "terseLabel": "Compensation payable (receivable) for early contract termination of charter" } } }, "localname": "CompensationPayableReceivableForEarlyContractTerminationOfCharter", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "sfl_CompensationReceivedonTerminationofChartersatfairvalueNotesReceivable": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Compensation Received on Termination of Charters at fair value, Notes Receivable", "label": "Compensation Received on Termination of Charters at fair value, Notes Receivable", "terseLabel": "Compensation received on termination of charters, notes receivable" } } }, "localname": "CompensationReceivedonTerminationofChartersatfairvalueNotesReceivable", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnTerminationOfChartersDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsLongTermReceivablesFromRelatedPartiesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyPurchasesAndSalesOfVesselsDetails" ], "xbrltype": "monetaryItemType" }, "sfl_ConsolidatedVariableInterestEntitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "CONSOLIDATED VARIABLE INTEREST ENTITIES [Abstract]" } } }, "localname": "ConsolidatedVariableInterestEntitiesAbstract", "nsuri": "http://shipfinance.bm/20191231", "xbrltype": "stringItemType" }, "sfl_ConsolidatedVariableInterestEntitiesTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The entire disclosure related to variable interest entities that are consolidated.", "label": "Consolidated Variable Interest Entities [Text Block]", "verboseLabel": "CONSOLIDATED VARIABLE INTEREST ENTITIES" } } }, "localname": "ConsolidatedVariableInterestEntitiesTextBlock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedVariableInterestEntities" ], "xbrltype": "textBlockItemType" }, "sfl_ContainervesselsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Container vessels [Member]", "label": "Container vessels [Member]", "terseLabel": "Container vessels" } } }, "localname": "ContainervesselsMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/OtherLongTermAssetsOtherLongTermAssetsNarrativeDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetScheduleOfVesselsAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "sfl_ConvertibleDebtPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Convertible Debt, Policy [Policy Text Block]", "label": "Convertible Debt, Policy [Policy Text Block]", "terseLabel": "Convertible bonds" } } }, "localname": "ConvertibleDebtPolicyPolicyTextBlock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "sfl_CorporateBondSecuritiesGoldenCloseMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Corporate Bond Securities- Golden Close_Bond securities in aggregate [Member]", "label": "Corporate Bond Securities- Golden Close [Member]", "terseLabel": "Corporate Bond Securities- Golden Close" } } }, "localname": "CorporateBondSecuritiesGoldenCloseMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_CorporateBondSecuritiesOroNegro7.5Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Corporate Bond Securities Oro Negro 7.5% [Member]", "label": "Corporate Bond Securities Oro Negro 7.5% [Member]", "terseLabel": "Oro Negro 7.5%" } } }, "localname": "CorporateBondSecuritiesOroNegro7.5Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfCorporateBondsDetails" ], "xbrltype": "domainItemType" }, "sfl_CorporateBondSecuritiesOroNegroSuperSeniorCallableLiquidityBondsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Corporate Bond Securities, Oro Negro, Super Senior Callable Liquidity Bonds [Member]", "label": "Corporate Bond Securities, Oro Negro, Super Senior Callable Liquidity Bonds [Member]", "terseLabel": "Corporate Bond Securities, Oro Negro, Super Senior Callable Liquidity Bonds" } } }, "localname": "CorporateBondSecuritiesOroNegroSuperSeniorCallableLiquidityBondsMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_CorporateBondSecurities_NorAmDrillingMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Corporate Bond Securities_NorAm Drilling due 2019", "label": "Corporate Bond Securities_NorAm Drilling [Member]", "terseLabel": "NorAm Drilling" } } }, "localname": "CorporateBondSecurities_NorAmDrillingMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfCorporateBondsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "sfl_CorporateBondSecurities_OroNegroMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Corporate Bond Securities_Oro Negro due 2019", "label": "Corporate Bond Securities_Oro Negro [Member]", "terseLabel": "Oro Negro 12%" } } }, "localname": "CorporateBondSecurities_OroNegroMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfCorporateBondsDetails" ], "xbrltype": "domainItemType" }, "sfl_CrossCurrencyInterestRateContract3Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Cross Currency Interest Rate Contract 3 [Member]", "label": "Cross Currency Interest Rate Contract 3 [Member]", "terseLabel": "Cross Currency Interest Rate Contract 3" } } }, "localname": "CrossCurrencyInterestRateContract3Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsForeignCurrencyRiskManagementDetails" ], "xbrltype": "domainItemType" }, "sfl_CrossCurrencyInterestRateContract4Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Cross Currency Interest Rate Contract 4- NOK500m Swap maturing 2020", "label": "Cross Currency Interest Rate Contract 4 [Member]", "terseLabel": "Cross Currency Interest Rate Contract 4" } } }, "localname": "CrossCurrencyInterestRateContract4Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsForeignCurrencyRiskManagementDetails" ], "xbrltype": "domainItemType" }, "sfl_CrossCurrencyInterestRateContract5Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Cross Currency Interest Rate Contract 5 [Member]", "label": "Cross Currency Interest Rate Contract 5 [Member]", "terseLabel": "Cross Currency Interest Rate Contract 5" } } }, "localname": "CrossCurrencyInterestRateContract5Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsForeignCurrencyRiskManagementDetails" ], "xbrltype": "domainItemType" }, "sfl_CrossCurrencyInterestRateContractTwoMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Cross Currency Interest Rate Contract Two [Member]", "label": "Cross Currency Interest Rate Contract Two [Member]", "terseLabel": "Cross Currency Interest Rate Contract Two" } } }, "localname": "CrossCurrencyInterestRateContractTwoMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsForeignCurrencyRiskManagementDetails", "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "domainItemType" }, "sfl_CrossCurrencySwapsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Cross Currency Swaps [Member]", "label": "Cross Currency Swaps [Member]", "terseLabel": "Cross Currency Swaps [Member]" } } }, "localname": "CrossCurrencySwapsMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/FinancialInstrumentsDetails" ], "xbrltype": "domainItemType" }, "sfl_CrudeOilTankersMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Crude Oil Tankers [Member]", "label": "Crude Oil Tankers [Member]", "terseLabel": "Crude Oil Tankers" } } }, "localname": "CrudeOilTankersMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails" ], "xbrltype": "domainItemType" }, "sfl_DebtInstrumentCollateralAmountPercentage": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Debt Instrument, Collateral Amount, Percentage", "label": "Debt Instrument, Collateral Amount, Percentage", "terseLabel": "Collateral amount (percentage)" } } }, "localname": "DebtInstrumentCollateralAmountPercentage", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "percentItemType" }, "sfl_DebtInstrumentExtensionTerm": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Debt Instrument, Extension Term", "label": "Debt Instrument, Extension Term", "terseLabel": "Term loan facility, extension term" } } }, "localname": "DebtInstrumentExtensionTerm", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "durationItemType" }, "sfl_DebtInstrumentFaceAmountPercentageOfParIssued": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Debt Instrument, Face Amount, Percentage Of Par Issued", "label": "Debt Instrument, Face Amount, Percentage Of Par Issued", "verboseLabel": "Percentage of par of bonds issued" } } }, "localname": "DebtInstrumentFaceAmountPercentageOfParIssued", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "percentItemType" }, "sfl_DebtInstrumentRelatedPartyShareLoanFee": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Debt Instrument, Related Party Share Loan Fee. This is absolute value.", "label": "Debt Instrument, Related Party Share Loan Fee", "terseLabel": "Loan fee" } } }, "localname": "DebtInstrumentRelatedPartyShareLoanFee", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "sfl_DebtInstrumentRepurchaseAmountPercentageRequiredForMarkToMarketMovement": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Debt Instrument, Repurchase Amount, Percentage Required For Mark To Market Movement", "label": "Debt Instrument, Repurchase Amount, Percentage Required For Mark To Market Movement", "terseLabel": "Percentage required for mark to market movement" } } }, "localname": "DebtInstrumentRepurchaseAmountPercentageRequiredForMarkToMarketMovement", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "percentItemType" }, "sfl_DebtSecuritiesAvailableForSaleRollForwardRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Debt Securities, Available-For-Sale, Roll Forward [Roll Forward]", "label": "Debt Securities, Available-For-Sale, Roll Forward [Roll Forward]", "terseLabel": "Corporate Bonds" } } }, "localname": "DebtSecuritiesAvailableForSaleRollForwardRollForward", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfMarketableSecuritiesDetails" ], "xbrltype": "stringItemType" }, "sfl_DebtSecuritiesAvailableforSaleShareConsolidationRatio": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Debt Securities, Available for Sale, Share Consolidation Ratio", "label": "Debt Securities, Available for Sale, Share Consolidation Ratio", "terseLabel": "Share consolidation ratio" } } }, "localname": "DebtSecuritiesAvailableforSaleShareConsolidationRatio", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "pureItemType" }, "sfl_DebtforAcquiredEquipmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Debt for Acquired Equipment [Member]", "label": "Debt for Acquired Equipment [Member]", "terseLabel": "Debt for Acquired Equipment" } } }, "localname": "DebtforAcquiredEquipmentMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_DeepSeaMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A party related to the reporting entity through a direct or indirect significant interest.", "label": "Deep Sea [Member]", "terseLabel": "Deep Sea" } } }, "localname": "DeepSeaMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/OtherFinancialItemsNetDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLeasingAndServiceContractsDetails" ], "xbrltype": "domainItemType" }, "sfl_DeepSeaSupplyBTGMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Deep Sea Supply BTG[Member]", "label": "Deep Sea Supply BTG [Member]", "terseLabel": "Deep Sea Supply BTG" } } }, "localname": "DeepSeaSupplyBTGMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_DepreciationRate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Depreciation, Rate", "label": "Depreciation, Rate", "terseLabel": "Depreciation, rate" } } }, "localname": "DepreciationRate", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesDetails" ], "xbrltype": "percentItemType" }, "sfl_DerivativeInstrumentsNotDesignatedasHedgingInstrumentsNetCashPayments": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/OtherFinancialItemsNetDetails": { "order": 2.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Derivative Instruments, Not Designated as Hedging Instruments, Net Cash Payments", "label": "Derivative Instruments, Not Designated as Hedging Instruments, Net Cash Payments", "negatedTerseLabel": "Total net cash movement on non-designated derivatives" } } }, "localname": "DerivativeInstrumentsNotDesignatedasHedgingInstrumentsNetCashPayments", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/OtherFinancialItemsNetDetails" ], "xbrltype": "monetaryItemType" }, "sfl_DirectFinanceLeaseRightOfUseAssetAccumulatedAmortization": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetScheduleOfFinanceLeaseDetails": { "order": 2.0, "parentTag": "us-gaap_FinanceLeaseRightOfUseAsset", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Direct Finance Lease, Right-Of-Use Asset, Accumulated Amortization", "label": "Direct Finance Lease, Right-Of-Use Asset, Accumulated Amortization", "negatedTerseLabel": "Accumulated depreciation" } } }, "localname": "DirectFinanceLeaseRightOfUseAssetAccumulatedAmortization", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetScheduleOfFinanceLeaseDetails" ], "xbrltype": "monetaryItemType" }, "sfl_DirectFinancingLeaseInterestIncomeFromRelatedParties": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Finance lease interest generated by direct financing leases with related parties.", "label": "Direct financing lease interest income from related parties", "terseLabel": "Interest income related parties \u2013 direct financing leases", "verboseLabel": "Direct financing lease interest income" } } }, "localname": "DirectFinancingLeaseInterestIncomeFromRelatedParties", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfInterestIncomeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsSummaryOfLeasingRevenuesEarnedFromRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_DirectorsOfficersandEmployeesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Directors, Officers and Employees [Member]", "label": "Directors, Officers and Employees [Member]", "terseLabel": "Directors, Officers and Employees" } } }, "localname": "DirectorsOfficersandEmployeesMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_DiscountReceivedOnExtinguishmentOfDebt": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 10.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Discount Received On Extinguishment Of Debt", "label": "Discount Received On Extinguishment Of Debt", "terseLabel": "Discount received on debt repurchased" } } }, "localname": "DiscountReceivedOnExtinguishmentOfDebt", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "sfl_DisposalgroupNetassets": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroupsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Disposal group, Net assets", "label": "Disposal group, Net assets", "totalLabel": "Net assets" } } }, "localname": "DisposalgroupNetassets", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroupsDetails" ], "xbrltype": "monetaryItemType" }, "sfl_Dividendincomefromrelatedparties": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 7.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Dividend income from related parties", "label": "Dividend income from related parties", "terseLabel": "Dividend income \u2013 related parties" } } }, "localname": "Dividendincomefromrelatedparties", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "sfl_DrybulkerCarriersMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Drybulker Carriers [Member]", "label": "Drybulker Carriers [Member]", "terseLabel": "Drybulker Carriers" } } }, "localname": "DrybulkerCarriersMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_DrydockingProvisionsPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for (1) normal repair and maintenance costs, and (2) drydocking costs.", "label": "Drydocking provisions [Policy Text Block]", "verboseLabel": "Drydocking provisions" } } }, "localname": "DrydockingProvisionsPolicyTextBlock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "sfl_Employeestockoptionscompensationcostrecognizedintheperiod": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Employee stock options, compensation cost recognized in the period.", "label": "Employee stock options, compensation cost recognized in the period", "terseLabel": "Employee stock options, compensation cost recognized in the period" } } }, "localname": "Employeestockoptionscompensationcostrecognizedintheperiod", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "sfl_EquityAccountedSubsidiariesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Equity Accounted Subsidiaries [Member]", "label": "Equity Accounted Subsidiaries [Member]", "terseLabel": "Equity Accounted Subsidiaries" } } }, "localname": "EquityAccountedSubsidiariesMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLoansAssociatedCompainesDetails" ], "xbrltype": "domainItemType" }, "sfl_EquityMethodInvestmentOwnershipPercentageThreshold": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Equity Method Investment, Ownership Percentage, Threshold", "label": "Equity Method Investment, Ownership Percentage, Threshold", "terseLabel": "Ownership percentage" } } }, "localname": "EquityMethodInvestmentOwnershipPercentageThreshold", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLeasingAndServiceContractsDetails" ], "xbrltype": "percentItemType" }, "sfl_EquityMethodInvestmentsSummarizedFinancialStatementsTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Summarized balance sheet and statement of operations information of the Company's equity method investees.", "label": "Equity Method Investments Summarized Financial Statements [Table Text Block]", "verboseLabel": "Summarized financial statement information of equity method investees" } } }, "localname": "EquityMethodInvestmentsSummarizedFinancialStatementsTableTextBlock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesTables" ], "xbrltype": "textBlockItemType" }, "sfl_EquitySecuritiesFVNIRollForwardRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Equity Securities, FV-NI, Roll Forward [Roll Forward]", "label": "Equity Securities, FV-NI, Roll Forward [Roll Forward]", "terseLabel": "Shares" } } }, "localname": "EquitySecuritiesFVNIRollForwardRollForward", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfMarketableSecuritiesDetails" ], "xbrltype": "stringItemType" }, "sfl_EstimatedResidualValuesOfLeasedPropertyUnGuaranteed": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails": { "order": 2.0, "parentTag": "sfl_NetInvestmentInLeaseAndLeasebackAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The estimate of the lease property's economic value at the end of the direct financing lease term, excluding any amounts guaranteed by either the lessee or a third-party.", "label": "Estimated residual values of leased property (un guaranteed)", "terseLabel": "Estimated residual values of leased property (un-guaranteed)", "verboseLabel": "Estimated residual values of leased property (un-guaranteed)" } } }, "localname": "EstimatedResidualValuesOfLeasedPropertyUnGuaranteed", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedVariableInterestEntitiesDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_EvergreenMarineMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Evergreen Marine [Member]", "label": "Evergreen Marine [Member]", "terseLabel": "Evergreen Marine" } } }, "localname": "EvergreenMarineMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails", "http://shipfinance.bm/role/OtherLongTermAssetsOtherLongTermAssetsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_ExtensionOfCharterPeriod": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Extension of charter period", "label": "Extension Of Charter Period", "terseLabel": "Extension of charter period" } } }, "localname": "ExtensionOfCharterPeriod", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "durationItemType" }, "sfl_FairValuesDerivativesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Fair Values, Derivatives [Abstract]", "verboseLabel": "Derivatives:" } } }, "localname": "FairValuesDerivativesAbstract", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails" ], "xbrltype": "stringItemType" }, "sfl_FairValuesNonderivativesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Fair Values, Nonderivatives [Abstract]", "verboseLabel": "Non-derivatives:" } } }, "localname": "FairValuesNonderivativesAbstract", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails" ], "xbrltype": "stringItemType" }, "sfl_FinanceLeaseRightOfUseAssetAdditions": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Finance Lease, Right-Of-Use Asset, Additions", "label": "Finance Lease, Right-Of-Use Asset, Additions", "terseLabel": "Additions to vessels under finance lease category" } } }, "localname": "FinanceLeaseRightOfUseAssetAdditions", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "monetaryItemType" }, "sfl_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetScheduleOfFinanceLeaseDetails": { "order": 1.0, "parentTag": "us-gaap_FinanceLeaseRightOfUseAsset", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Finance Lease, Right-Of-Use Asset, Before Accumulated Amortization", "label": "Finance Lease, Right-Of-Use Asset, Before Accumulated Amortization", "terseLabel": "Cost" } } }, "localname": "FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetScheduleOfFinanceLeaseDetails" ], "xbrltype": "monetaryItemType" }, "sfl_Financeleaseservicerevenuesfromrelatedparties": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 3.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "That portion of gross lease revenues generated by direct financing leases with related parties that is allocated to lease executory costs.", "label": "Finance lease service revenues from related parties", "terseLabel": "Service revenue related parties \u2013 direct financing leases", "verboseLabel": "Finance lease service revenue" } } }, "localname": "Financeleaseservicerevenuesfromrelatedparties", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations", "http://shipfinance.bm/role/RelatedPartyTransactionsSummaryOfLeasingRevenuesEarnedFromRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_FloatingRateDebtMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Debt with a floating rate. Floating rate debt means it has variable coupon, equal to a money market reference rate, like LIBOR or federal funds rate, plus a spread.", "label": "Floating Rate Debt [Member]", "terseLabel": "Floating Rate Debt" } } }, "localname": "FloatingRateDebtMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "sfl_FloatingRateNOKBondsDue2024": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails": { "order": 4.0, "parentTag": "us-gaap_LiabilitiesFairValueDisclosure", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Floating Rate NOK Bonds Due 2024", "label": "Floating Rate NOK Bonds Due 2024", "terseLabel": "Floating Rate NOK Bonds Due 2024" } } }, "localname": "FloatingRateNOKBondsDue2024", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "xbrltype": "monetaryItemType" }, "sfl_FloatingRateNOKBondsdue2020": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails": { "order": 1.0, "parentTag": "us-gaap_LiabilitiesFairValueDisclosure", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Floating Rate NOK Bonds due 2020", "label": "Floating Rate NOK Bonds due 2020", "terseLabel": "Floating Rate NOK Bonds due 2020" } } }, "localname": "FloatingRateNOKBondsdue2020", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "xbrltype": "monetaryItemType" }, "sfl_FloatingrateNOKbondsdue2019": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails": { "order": 3.0, "parentTag": "us-gaap_LiabilitiesFairValueDisclosure", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Floating rate NOK bonds due 2019", "label": "Floating rate NOK bonds due 2019", "terseLabel": "Floating rate NOK bonds due 2019" } } }, "localname": "FloatingrateNOKbondsdue2019", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "xbrltype": "monetaryItemType" }, "sfl_FloatingrateNOKbondsdue2023": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails": { "order": 2.0, "parentTag": "us-gaap_LiabilitiesFairValueDisclosure", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Floating rate NOK bonds due 2023", "label": "Floating rate NOK bonds due 2023", "terseLabel": "Floating rate NOK bonds due 2023" } } }, "localname": "FloatingrateNOKbondsdue2023", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "xbrltype": "monetaryItemType" }, "sfl_ForeignCurrencyTransactionGainsLossesEquitySecuritiesPortionRecognizedInEarnings": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Foreign Currency Transaction Gains (Losses), Equity Securities, Portion Recognized In Earnings", "label": "Foreign Currency Transaction Gains (Losses), Equity Securities, Portion Recognized In Earnings", "verboseLabel": "FX gain/(loss)" } } }, "localname": "ForeignCurrencyTransactionGainsLossesEquitySecuritiesPortionRecognizedInEarnings", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfMarketableSecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_ForwardContractToRepurchaseShares": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Forward Contract To Repurchase Shares", "label": "Forward Contract To Repurchase Shares", "terseLabel": "Forward Contract To Repurchase Shares" } } }, "localname": "ForwardContractToRepurchaseShares", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "sfl_ForwardContractToRepurchaseSharesNumberOfShares": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Forward Contract To Repurchase Shares, Number Of Shares", "label": "Forward Contract To Repurchase Shares, Number Of Shares", "terseLabel": "Forward contract to repurchase shares (shares)" } } }, "localname": "ForwardContractToRepurchaseSharesNumberOfShares", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "sharesItemType" }, "sfl_FrontAriakeMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Front Ariake [Member]", "label": "Front Ariake [Member]", "terseLabel": "Front Ariake" } } }, "localname": "FrontAriakeMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsLongTermReceivablesFromRelatedPartiesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontCircassiaFrontPageFrontStratusFrontSerenadeFrontAriakeMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Front Circassia, Front Page, Front Stratus, Front Serenade, Front Ariake [Member]", "label": "Front Circassia, Front Page, Front Stratus, Front Serenade, Front Ariake [Member]", "terseLabel": "Front Circassia, Front Page, Front Stratus, Front Serenade, Front Ariake" } } }, "localname": "FrontCircassiaFrontPageFrontStratusFrontSerenadeFrontAriakeMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontCircassiaMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Front Circassia [Member]", "label": "Front Circassia [Member]", "terseLabel": "Front Circassia" } } }, "localname": "FrontCircassiaMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsLongTermReceivablesFromRelatedPartiesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontEnergyAndFrontForceMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Front Energy And Front Force [Member]", "label": "Front Energy And Front Force [Member]", "terseLabel": "Front Energy And Front Force" } } }, "localname": "FrontEnergyAndFrontForceMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontFalconMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Front Falcon [Member]", "label": "Front Falcon [Member]", "terseLabel": "Front Falcon" } } }, "localname": "FrontFalconMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontHakataMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Front Hakata [Member]", "label": "Front Hakata [Member]", "terseLabel": "Front Hakata" } } }, "localname": "FrontHakataMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontPageFrontStatusFrontSerenadeAndFrontAriakeMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Front Page, Front Status, Front Serenade, And Front Ariake [Member]", "label": "Front Page, Front Status, Front Serenade, And Front Ariake [Member]", "terseLabel": "Front Page, Front Status, Front Serenade, And Front Ariake [Member]" } } }, "localname": "FrontPageFrontStatusFrontSerenadeAndFrontAriakeMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontPageFrontStatusFrontSerenadeAndFrontCircassiaMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Front Page, Front Status, Front Serenade And Front Circassia [Member]", "label": "Front Page, Front Status, Front Serenade And Front Circassia [Member]", "terseLabel": "Front Page, Front Status, Front Serenade And Front Circassia" } } }, "localname": "FrontPageFrontStatusFrontSerenadeAndFrontCircassiaMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontPageFrontStratusFrontSerenadeMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Front Page, Front Stratus, Front Serenade [Member]", "label": "Front Page, Front Stratus, Front Serenade [Member]", "terseLabel": "Front Page, Front Stratus Front Serenade" } } }, "localname": "FrontPageFrontStratusFrontSerenadeMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsLongTermReceivablesFromRelatedPartiesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyPurchasesAndSalesOfVesselsDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontPageMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Front Page [Member]", "label": "Front Page [Member]", "terseLabel": "Front Page" } } }, "localname": "FrontPageMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyPurchasesAndSalesOfVesselsDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontScillaMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Front Scilla [Member]", "label": "Front Scilla [Member]", "terseLabel": "Front Scilla" } } }, "localname": "FrontScillaMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontSerenadeMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Front Serenade [Member]", "label": "Front Serenade [Member]", "terseLabel": "Front Serenade" } } }, "localname": "FrontSerenadeMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyPurchasesAndSalesOfVesselsDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontStratusMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Front Stratus [Member]", "label": "Front Stratus [Member]", "terseLabel": "Front Stratus" } } }, "localname": "FrontStratusMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyPurchasesAndSalesOfVesselsDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontlineCharterersMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A party related to the reporting entity through a direct or indirect significant interest.", "label": "Frontline Charterers [Member]", "terseLabel": "Frontline Charterers" } } }, "localname": "FrontlineCharterersMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLeasingAndServiceContractsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfAmountsDueFromAndToRelatedPartiesExcludingDirectFinancingLeasesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfFeesIncurredWithRelatedPartiesDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontlineCorporateServicesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Frontline Corporate Services [Member]", "label": "Frontline Corporate Services [Member]", "terseLabel": "Frontline Corporate Services" } } }, "localname": "FrontlineCorporateServicesMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfFeesIncurredWithRelatedPartiesDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontlineForwardContractMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Frontline Forward Contract [Member]", "label": "Frontline Forward Contract [Member]", "terseLabel": "Frontline Forward Contract" } } }, "localname": "FrontlineForwardContractMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontlineLtdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A party related to the reporting entity through a direct or indirect significant interest.", "label": "Frontline Ltd [Member]", "terseLabel": "Frontline Ltd" } } }, "localname": "FrontlineLtdMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfAmountsDueFromAndToRelatedPartiesExcludingDirectFinancingLeasesDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontlineManagementAsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A party related to the reporting entity through a direct or indirect significant interest.", "label": "Frontline Management AS [Member]", "terseLabel": "Frontline Management AS" } } }, "localname": "FrontlineManagementAsMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfFeesIncurredWithRelatedPartiesDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontlineManagementMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A party related to the reporting entity through a direct or indirect significant interest.", "label": "Frontline Management [Member]", "terseLabel": "Frontline Management" } } }, "localname": "FrontlineManagementMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfAmountsDueFromAndToRelatedPartiesExcludingDirectFinancingLeasesDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontlineManagementandFrontlineManagementASMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Frontline Management and Frontline Management AS [Member]", "label": "Frontline Management and Frontline Management AS [Member]", "terseLabel": "Frontline Management and Frontline Management AS" } } }, "localname": "FrontlineManagementandFrontlineManagementASMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfFeesIncurredWithRelatedPartiesDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontlineMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Frontline [Member]", "label": "Frontline [Member]", "terseLabel": "Frontline" } } }, "localname": "FrontlineMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsLongTermReceivablesFromRelatedPartiesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontlineShippingAndFrontlineShippingIiMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Frontline Shipping and Frontline Shipping II [Member]", "label": "Frontline Shipping and Frontline Shipping II [Member]", "terseLabel": "Frontline Shipping and Frontline Shipping II" } } }, "localname": "FrontlineShippingAndFrontlineShippingIiMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontlineShippingAndGoldenOceanMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Frontline Shipping And Golden Ocean [Member]", "label": "Frontline Shipping And Golden Ocean [Member]", "terseLabel": "Frontline Shipping and Golden Ocean" } } }, "localname": "FrontlineShippingAndGoldenOceanMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsSummaryOfLeasingRevenuesEarnedFromRelatedPartiesDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontlineShippingMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Frontline Shipping [Member]", "label": "Frontline Shipping [Member]", "terseLabel": "Frontline Shipping" } } }, "localname": "FrontlineShippingMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsLongTermReceivablesFromRelatedPartiesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfAmountsDueFromAndToRelatedPartiesExcludingDirectFinancingLeasesDetails" ], "xbrltype": "domainItemType" }, "sfl_FrontlinereversestocksplitMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Frontline reverse stock split [Member]", "label": "Frontline reverse stock split [Member]", "terseLabel": "Frontline reverse stock split" } } }, "localname": "FrontlinereversestocksplitMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_GainLossOnTerminationOfCharters": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersSummaryDetails": { "order": 2.0, "parentTag": "sfl_Thegainlossonsettlementofloannotesreceivable", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Gain (Loss) on Termination of Charters", "label": "Gain (Loss) on Termination of Charters", "verboseLabel": "Gain on termination of charters" } } }, "localname": "GainLossOnTerminationOfCharters", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersSummaryDetails" ], "xbrltype": "monetaryItemType" }, "sfl_GainOnSaleOfAssetsTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The entire disclosure of the gains and losses related to sales of vessels during the period, including imputed sales price, book value, gain/(loss) and other details specific to each sale.", "label": "Gain on Sale of Assets [Text Block]", "verboseLabel": "GAIN/(LOSS) ON SALE OF ASSETS AND TERMINATION OF CHARTERS" } } }, "localname": "GainOnSaleOfAssetsTextBlock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfCharters" ], "xbrltype": "textBlockItemType" }, "sfl_GoldenCloseMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Golden Close [Member]", "label": "Golden Close [Member]", "terseLabel": "Golden Close" } } }, "localname": "GoldenCloseMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "sfl_GoldenOceanManagementMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Golden Ocean Management [Member]", "label": "Golden Ocean Management [Member]", "terseLabel": "Golden Ocean Management" } } }, "localname": "GoldenOceanManagementMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_GoldenOceanMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A party related to the reporting entity through a direct or indirect significant interest.", "label": "Golden Ocean [Member]", "terseLabel": "Golden Ocean" } } }, "localname": "GoldenOceanMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLeasingAndServiceContractsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfAmountsDueFromAndToRelatedPartiesExcludingDirectFinancingLeasesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfFeesIncurredWithRelatedPartiesDetails" ], "xbrltype": "domainItemType" }, "sfl_GuaranteeComplianceMinimumFreeCash": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Guarantee Compliance, Minimum Free Cash", "label": "Guarantee Compliance, Minimum Free Cash", "terseLabel": "Minimum Free Cash" } } }, "localname": "GuaranteeComplianceMinimumFreeCash", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails" ], "xbrltype": "monetaryItemType" }, "sfl_GuaranteetermPeriod": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Guarantee term, Period", "label": "Guarantee term, Period", "terseLabel": "Maturity of guarantee" } } }, "localname": "GuaranteetermPeriod", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "durationItemType" }, "sfl_HunterGroupASAMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Hunter Group ASA [Member]", "label": "Hunter Group ASA [Member]", "terseLabel": "Hunter Group ASA [Member]" } } }, "localname": "HunterGroupASAMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_IncreaseinCharterhirePerDay": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Increase in Charterhire Per Day", "label": "Increase in Charterhire Per Day", "terseLabel": "Charterhire per day" } } }, "localname": "IncreaseinCharterhirePerDay", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "sfl_Increaseinauthorisedcommonstock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Increase in authorised common stock", "label": "Increase in authorised common stock", "terseLabel": "Increase in authorised common stock" } } }, "localname": "Increaseinauthorisedcommonstock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails" ], "xbrltype": "sharesItemType" }, "sfl_InstallationofBWTSMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Installation of BWTS [Member]", "label": "Installation of BWTS [Member]", "terseLabel": "Installation of BWTS" } } }, "localname": "InstallationofBWTSMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_InterestExpenseNonrelatedParties": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 5.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cost of borrowed funds payable to other than related parties accounted for as interest that was charged against earnings during the period.", "label": "Interest expense nonrelated parties", "negatedLabel": "Interest expense \u2013 other" } } }, "localname": "InterestExpenseNonrelatedParties", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "sfl_InterestRateSwap10Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest Rate Swap 10 [Member]", "label": "Interest Rate Swap 10 [Member]", "terseLabel": "$63,987 (equivalent to NOK500 million)" } } }, "localname": "InterestRateSwap10Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "domainItemType" }, "sfl_InterestRateSwap12Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest Rate Swap 12 [Member]", "label": "Interest Rate Swap 12 [Member]", "terseLabel": "$100,000 (remaining at $100,000)" } } }, "localname": "InterestRateSwap12Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "domainItemType" }, "sfl_InterestRateSwap14Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest Rate Swap 14 [Member]", "label": "Interest Rate Swap 14 [Member]", "terseLabel": "$83,938 (reducing to $70,125)" } } }, "localname": "InterestRateSwap14Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "domainItemType" }, "sfl_InterestRateSwap15Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest Rate Swap 15 [Member]", "label": "Interest Rate Swap 15 [Member]", "terseLabel": "$87,125 (reducing to $70,125)" } } }, "localname": "InterestRateSwap15Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "domainItemType" }, "sfl_InterestRateSwap16Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "", "label": "Interest Rate Swap 16 [Member]", "terseLabel": "$24,267 (reducing to $19,413)" } } }, "localname": "InterestRateSwap16Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "domainItemType" }, "sfl_InterestRateSwap17Member": { "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.", "label": "Interest Rate Swap 17 [Member]", "terseLabel": "$160,781 (reducing to $149,844)" } } }, "localname": "InterestRateSwap17Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "domainItemType" }, "sfl_InterestRateSwap2Member": { "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.", "label": "Interest Rate Swap 2 [Member]", "terseLabel": "$56,000 (remaining at $56,000)" } } }, "localname": "InterestRateSwap2Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "domainItemType" }, "sfl_InterestRateSwap3Member": { "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.", "label": "Interest Rate Swap 3 [Member]", "terseLabel": "$14,699 (equivalent to NOK128 million)" } } }, "localname": "InterestRateSwap3Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "domainItemType" }, "sfl_InterestRateSwap4Member": { "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.", "label": "Interest Rate Swap 4 [Member]", "terseLabel": "$11,254 (equivalent to NOK100 million)" } } }, "localname": "InterestRateSwap4Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "domainItemType" }, "sfl_InterestRateSwap5Member": { "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.", "label": "Interest Rate Swap 5 [Member]", "terseLabel": "$100,000 (remaining at $100,000)" } } }, "localname": "InterestRateSwap5Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "domainItemType" }, "sfl_InterestRateSwap6Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest Rate Swap 6 [Member]", "label": "Interest Rate Swap 6 [Member]", "terseLabel": "$30,000 (remaining at $30,000)" } } }, "localname": "InterestRateSwap6Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "domainItemType" }, "sfl_InterestRateSwap7Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest Rate Swap 7 [Member]", "label": "Interest Rate Swap 7 [Member]", "terseLabel": "$48,332 (equivalent to NOK420 million)" } } }, "localname": "InterestRateSwap7Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "domainItemType" }, "sfl_InterestRateSwap8Member": { "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.", "label": "Interest Rate Swap 8 [Member]", "terseLabel": "$108,867 (terminating at $79,733)" } } }, "localname": "InterestRateSwap8Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "domainItemType" }, "sfl_InterestRateSwap9Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest Rate Swap 9 [Member]", "label": "Interest Rate Swap 9 [Member]", "terseLabel": "$100,000 (remaining at $100,000)" } } }, "localname": "InterestRateSwap9Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "domainItemType" }, "sfl_InterestRateSwapAndCrossCurrencyInterestRateContractsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest Rate Swap And Cross Currency Interest Rate Contracts [Member]", "label": "Interest Rate Swap And Cross Currency Interest Rate Contracts [Member]", "terseLabel": "Interest Rate Swap And Cross Currency Interest Rate Contracts" } } }, "localname": "InterestRateSwapAndCrossCurrencyInterestRateContractsMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/OtherFinancialItemsNetDetails" ], "xbrltype": "domainItemType" }, "sfl_Interestincomeothersalestypedirectfinancingleasesandleasebackassets": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Interest income other \u2013 sales-type, direct financing leases and leaseback assets", "label": "Interest income other \u2013 sales-type, direct financing leases and leaseback assets", "verboseLabel": "Interest income other \u2013 sales-type, direct financing leases and leaseback assets" } } }, "localname": "Interestincomeothersalestypedirectfinancingleasesandleasebackassets", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "sfl_Interestincomerelatedpartiesothers": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 3.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Income from related parties which are derived from long-term receivables", "label": "Interest income related parties, others", "verboseLabel": "Interest income \u2013 related parties, other" } } }, "localname": "Interestincomerelatedpartiesothers", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "sfl_Interestincomerelatedpartieswhicharederivedfromloanstoassociates": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Interest income related parties which are derived from long-term loans to associates", "label": "Interest income related parties which are derived from loans to associates", "terseLabel": "Interest income \u2013 related parties, long term loans to associated companies" } } }, "localname": "Interestincomerelatedpartieswhicharederivedfromloanstoassociates", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLoansAssociatedCompainesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_InterestonNotesReceivableRelatedPartyCurrent": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Interest on Notes Receivable, Related Party, Current", "label": "Interest on Notes Receivable, Related Party, Current", "terseLabel": "Interest income received" } } }, "localname": "InterestonNotesReceivableRelatedPartyCurrent", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "sfl_InvestmentInLeaseAndLeasebackAssetsLeaseIncomeTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Investment In Lease And Leaseback Assets, Lease Income [Table Text Block]", "label": "Investment In Lease And Leaseback Assets, Lease Income [Table Text Block]", "terseLabel": "Schedule of interest income earned on investments" } } }, "localname": "InvestmentInLeaseAndLeasebackAssetsLeaseIncomeTableTextBlock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsTables" ], "xbrltype": "textBlockItemType" }, "sfl_InvestmentsInSalesTypeAndDirectFinancingLeasesAndSaleLeasebackAssets": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfInvestmentsInSalesTypeAndDirectFinancingLeasesAndLeasebackAssetsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Investments In Sales-Type And Direct Financing Leases And Sale Leaseback Assets", "label": "Investments In Sales-Type And Direct Financing Leases And Sale Leaseback Assets", "totalLabel": "Total" } } }, "localname": "InvestmentsInSalesTypeAndDirectFinancingLeasesAndSaleLeasebackAssets", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfInvestmentsInSalesTypeAndDirectFinancingLeasesAndLeasebackAssetsDetails" ], "xbrltype": "monetaryItemType" }, "sfl_LeaseAgreementExtensionTerm": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Lease Agreement, Extension Term", "label": "Lease Agreement, Extension Term", "terseLabel": "Extension term" } } }, "localname": "LeaseAgreementExtensionTerm", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "durationItemType" }, "sfl_LeasebackAssetsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Leaseback Assets [Abstract]", "label": "Leaseback Assets [Abstract]", "terseLabel": "Leaseback Assets" } } }, "localname": "LeasebackAssetsAbstract", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "stringItemType" }, "sfl_LeasebackAssetsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Leaseback Assets [Member]", "label": "Leaseback Assets [Member]", "terseLabel": "Leaseback Assets" } } }, "localname": "LeasebackAssetsMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_LeasebackAssetsPaymentsToBeReceived": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Leaseback Assets, Payments To Be Received", "label": "Leaseback Assets, Payments To Be Received", "totalLabel": "Total minimum lease payments to be received" } } }, "localname": "LeasebackAssetsPaymentsToBeReceived", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_LeasebackAssetsPaymentsToBeReceivedFiveYears": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails": { "order": 5.0, "parentTag": "sfl_LeasebackAssetsPaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Leaseback Assets, Payments To Be Received, Five Years", "label": "Leaseback Assets, Payments To Be Received, Five Years", "terseLabel": "2024" } } }, "localname": "LeasebackAssetsPaymentsToBeReceivedFiveYears", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_LeasebackAssetsPaymentsToBeReceivedFourYears": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails": { "order": 4.0, "parentTag": "sfl_LeasebackAssetsPaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Leaseback Assets, Payments To Be Received, Four Years", "label": "Leaseback Assets, Payments To Be Received, Four Years", "terseLabel": "2023" } } }, "localname": "LeasebackAssetsPaymentsToBeReceivedFourYears", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_LeasebackAssetsPaymentsToBeReceivedNextTwelveMonths": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails": { "order": 2.0, "parentTag": "sfl_SalesTypeAndDirectFinancingLeasesAndLeasebackAssetsPaymentstobeReceivedNextTwelveMonths", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Leaseback Assets, Payments To Be Received, Next Twelve Months", "label": "Leaseback Assets, Payments To Be Received, Next Twelve Months", "terseLabel": "2020" } } }, "localname": "LeasebackAssetsPaymentsToBeReceivedNextTwelveMonths", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_LeasebackAssetsPaymentsToBeReceivedThereafter": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails": { "order": 6.0, "parentTag": "sfl_LeasebackAssetsPaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Leaseback Assets, Payments To Be Received, Thereafter", "label": "Leaseback Assets, Payments To Be Received, Thereafter", "terseLabel": "Thereafter" } } }, "localname": "LeasebackAssetsPaymentsToBeReceivedThereafter", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_LeasebackAssetsPaymentsToBeReceivedThreeYears": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails": { "order": 3.0, "parentTag": "sfl_LeasebackAssetsPaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Leaseback Assets, Payments To Be Received, Three Years", "label": "Leaseback Assets, Payments To Be Received, Three Years", "terseLabel": "2022" } } }, "localname": "LeasebackAssetsPaymentsToBeReceivedThreeYears", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_LeasebackAssetsPaymentsToBeReceivedTwoYears": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails": { "order": 2.0, "parentTag": "sfl_SalesTypeAndDirectFinancingLeasesAndLeasebackAssetsPaymentstobeReceivedTwoYears", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Leaseback Assets, Payments To Be Received, Two Years", "label": "Leaseback Assets, Payments To Be Received, Two Years", "terseLabel": "2021" } } }, "localname": "LeasebackAssetsPaymentsToBeReceivedTwoYears", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_LeasebackassetsInterestIncome": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfInterestIncomeDetails": { "order": 2.0, "parentTag": "sfl_SalesTypeDirectFinancingLeasesAndLeasebackAssetsInterestIncome", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Leaseback assets, Interest Income", "label": "Leaseback assets, Interest Income", "terseLabel": "Investments in leaseback assets" } } }, "localname": "LeasebackassetsInterestIncome", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfInterestIncomeDetails" ], "xbrltype": "monetaryItemType" }, "sfl_LesseeFinanceLeasesDisclosureTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Lessee, Finance Leases, Disclosure [Table Text Block]", "label": "Lessee, Finance Leases, Disclosure [Table Text Block]", "terseLabel": "Schedule of Finance Leases" } } }, "localname": "LesseeFinanceLeasesDisclosureTableTextBlock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesTables" ], "xbrltype": "textBlockItemType" }, "sfl_LessorLeasebackAssetsPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Lessor Leaseback Assets Policy [Policy Text Block]", "label": "Lessor Leaseback Assets Policy [Policy Text Block]", "terseLabel": "Leaseback assets" } } }, "localname": "LessorLeasebackAssetsPolicyPolicyTextBlock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "sfl_LessorOperatingLeaseCarryingValueOfAssetsSubjectToLeasesTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Lessor, Operating Lease, Carrying Value Of Assets Subject To Leases [Table Text Block]", "label": "Lessor, Operating Lease, Carrying Value Of Assets Subject To Leases [Table Text Block]", "terseLabel": "Cost and accumulated depreciation of vessels leased to third parties on operating leases" } } }, "localname": "LessorOperatingLeaseCarryingValueOfAssetsSubjectToLeasesTableTextBlock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/OperatingLeasesTables" ], "xbrltype": "textBlockItemType" }, "sfl_LessorSalesTypeLeasesDirectFinancingLeases.AndLeasebackAssetsLeasePaymentsToBeReceivedMaturityTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Lessor, Sales-Type Leases, Direct Financing Leases. And Leaseback Assets, Lease Payments To Be Received, Maturity [Table Text Block]", "label": "Lessor, Sales-Type Leases, Direct Financing Leases. And Leaseback Assets, Lease Payments To Be Received, Maturity [Table Text Block]", "terseLabel": "Minimum future gross revenues to be received under non-cancellable direct financing and sales-type leases" } } }, "localname": "LessorSalesTypeLeasesDirectFinancingLeases.AndLeasebackAssetsLeasePaymentsToBeReceivedMaturityTableTextBlock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsTables" ], "xbrltype": "textBlockItemType" }, "sfl_LessorSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Lessor, Sales-Type Leases, Direct Financing Leases, And Leaseback Assets [Text Block]", "label": "Lessor, Sales-Type Leases, Direct Financing Leases, And Leaseback Assets [Text Block]", "terseLabel": "INVESTMENTS IN SALES-TYPE LEASES, DIRECT FINANCING LEASES AND LEASEBACK ASSETS" } } }, "localname": "LessorSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsTextBlock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssets" ], "xbrltype": "textBlockItemType" }, "sfl_LoansAdvancedToRelatedParties": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The initial amount of loan advanced to a related party.", "label": "Loans advanced to related parties", "terseLabel": "Loans advanced to related parties" } } }, "localname": "LoansAdvancedToRelatedParties", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLoansAssociatedCompainesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_LoansToRelatedPartiesWhichAreAssociates": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amounts representing agreements for unconditional promises by related parties which are associates to pay the Entity (holder) definite sums of money at a future date(s) more than one year from the balance sheet date.", "label": "Loans to related parties which are associates", "terseLabel": "Total loans to related parties - associated companies, long-term", "verboseLabel": "Loans to related parties - associated companies, long term" } } }, "localname": "LoansToRelatedPartiesWhichAreAssociates", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfAmountsDueFromAndToRelatedPartiesExcludingDirectFinancingLeasesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_Loanstorelatedpartieswhicharenonassociates": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 6.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amounts representing agreements for unconditional promises by related parties which are not associates to pay the Entity (holder) definite sums of money at a future date(s) more than one year from the balance sheet date.", "label": "Loans to related parties which are non associates", "terseLabel": "Long term receivables from related parties" } } }, "localname": "Loanstorelatedpartieswhicharenonassociates", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "sfl_LongTermPayablesNonDesignatedInterestRateSwaps": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Long term payables related to certain interest rate swaps of the balance sheet date.", "label": "Long Term Payables, Non Designated Interest Rate Swaps", "verboseLabel": "Long term payables, non-designated swap contracts" } } }, "localname": "LongTermPayablesNonDesignatedInterestRateSwaps", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails" ], "xbrltype": "monetaryItemType" }, "sfl_LongTermReceivablesNonDesignatedOptionsToExtendInterestRateSwaps": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Long Term Receivables, Non Designated Options To Extend Interest Rate Swaps", "label": "Long Term Receivables, Non Designated Options To Extend Interest Rate Swaps", "terseLabel": "Long term receivables, non-designated swap contracts" } } }, "localname": "LongTermReceivablesNonDesignatedOptionsToExtendInterestRateSwaps", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails" ], "xbrltype": "monetaryItemType" }, "sfl_MSCAliceMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "MSC Alice [Member]", "label": "MSC Alice [Member]", "terseLabel": "MSC Alice" } } }, "localname": "MSCAliceMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails" ], "xbrltype": "domainItemType" }, "sfl_MSCMargaritaAndMSCVidhiMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "MSC Margarita And MSC Vidhi [Member]", "label": "MSC Margarita And MSC Vidhi [Member]", "terseLabel": "MSC Margarita And MSC Vidhi" } } }, "localname": "MSCMargaritaAndMSCVidhiMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_MSCMediterraneanShippingCompanyS.A.Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "MSC Mediterranean Shipping Company S.A. [Member]", "label": "MSC Mediterranean Shipping Company S.A. [Member]", "terseLabel": "MSC Mediterranean Shipping Company S.A. [Member]" } } }, "localname": "MSCMediterraneanShippingCompanyS.A.Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_MSCMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "MSC [Member]", "label": "MSC [Member]", "terseLabel": "MSC" } } }, "localname": "MSCMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_MaerskMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Maersk [Member]", "label": "Maersk [Member]", "terseLabel": "Maersk" } } }, "localname": "MaerskMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails" ], "xbrltype": "domainItemType" }, "sfl_MaerskSaratMaerskSkarstindMaerskShivlingMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Maersk Sarat, Maersk Skarstind, Maersk Shivling [Member]", "label": "Maersk Sarat, Maersk Skarstind, Maersk Shivling [Member]", "terseLabel": "Maersk Sarat, Maersk Skarstind, Maersk Shivling" } } }, "localname": "MaerskSaratMaerskSkarstindMaerskShivlingMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "sfl_ManagementFeePercentage": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Management Fee, Percentage", "label": "Management Fee, Percentage", "terseLabel": "Management fee, percentage" } } }, "localname": "ManagementFeePercentage", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "percentItemType" }, "sfl_Minimumdividendpersharebeforeconvertibledebtrateisadjusted": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Minimum dividend per share before convertible debt rate is adjusted", "label": "Minimum dividend per share before convertible debt rate is adjusted", "terseLabel": "Minimum dividend before convertible debt rate is adjusted" } } }, "localname": "Minimumdividendpersharebeforeconvertibledebtrateisadjusted", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "perShareItemType" }, "sfl_NOK500millionseniorunsecuredfloatingratebondsdue2020Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "NOK500million senior unsecured floating rate bonds due 2020 [Member]", "label": "NOK500million senior unsecured floating rate bonds due 2020 [Member]", "terseLabel": "NOK500million senior unsecured floating rate bonds due 2020" } } }, "localname": "NOK500millionseniorunsecuredfloatingratebondsdue2020Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "sfl_NOK600MillionSeniorUnsecuredBonddue2023Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "NOK 600 Million Senior Unsecured Bond due 2023 [Member]", "label": "NOK 600 Million Senior Unsecured Bond due 2023 [Member]", "terseLabel": "NOK 600 Million Senior Unsecured Bond due 2023" } } }, "localname": "NOK600MillionSeniorUnsecuredBonddue2023Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "sfl_NOK600millionseniorunsecuredfloatingratebondsdue2023Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "NOK600million senior unsecured floating rate bonds due 2023 [Member]", "label": "NOK600million senior unsecured floating rate bonds due 2023 [Member]", "terseLabel": "NOK600million senior unsecured floating rate bonds due 2023" } } }, "localname": "NOK600millionseniorunsecuredfloatingratebondsdue2023Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_NOK700MillionSeniorUnsecuredBondsDue2023Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "NOK700 Million Senior Unsecured Bonds Due 2023 [Member]", "label": "NOK700 Million Senior Unsecured Bonds Due 2023 [Member]", "terseLabel": "NOK700 Million Senior Unsecured Bonds Due 2023" } } }, "localname": "NOK700MillionSeniorUnsecuredBondsDue2023Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "sfl_NOK700MillionSeniorUnsecuredBondsDue2024Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "NOK700 Million Senior Unsecured Bonds Due 2024 [Member]", "label": "NOK700 Million Senior Unsecured Bonds Due 2024 [Member]", "terseLabel": "NOK700 Million Senior Unsecured Bonds Due 2024", "verboseLabel": "NOK700 Million Senior Unsecured Bonds Due 2024" } } }, "localname": "NOK700MillionSeniorUnsecuredBondsDue2024Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "sfl_NOK700UnsecuredBondsDue2023Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "NOK700 [Member]", "label": "NOK700 Unsecured Bonds Due 2023 [Member]", "terseLabel": "NOK700 Senior Unsecured Bonds Due 2023 [Member]" } } }, "localname": "NOK700UnsecuredBondsDue2023Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "domainItemType" }, "sfl_NOK700UnsecuredBondsDue2024Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "NOK700 Unsecured Bonds Due 2024 [Member]", "label": "NOK700 Unsecured Bonds Due 2024 [Member]", "terseLabel": "NOK700 Unsecured Bonds Due 2024 [Member]" } } }, "localname": "NOK700UnsecuredBondsDue2024Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "domainItemType" }, "sfl_NOK900MillionSeniorUnsecuredBondsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "NOK 900 Million Senior Unsecured Bonds [Member]", "label": "NOK 900 Million Senior Unsecured Bonds [Member]", "terseLabel": "NOK 900 Million Senior Unsecured Bonds" } } }, "localname": "NOK900MillionSeniorUnsecuredBondsMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "sfl_NetInvestmentInLeaseAndLeasebackAssets": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Net Investment In Lease And Leaseback Assets", "label": "Net Investment In Lease And Leaseback Assets", "totalLabel": "Total investment in sales-type lease, direct financing lease and leaseback assets" } } }, "localname": "NetInvestmentInLeaseAndLeasebackAssets", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_NetInvestmentInLeaseAndLeasebackAssetsCurrent": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 10.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Net Investment In Lease And Leaseback Assets, Current", "label": "Net Investment In Lease And Leaseback Assets, Current", "terseLabel": "Current portion", "verboseLabel": "Investment in sales-type leases, direct financing leases and leaseback assets \u2013 current portion" } } }, "localname": "NetInvestmentInLeaseAndLeasebackAssetsCurrent", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_NetInvestmentInLeaseAndLeasebackAssetsNoncurrent": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 10.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Net Investment In Lease And Leaseback Assets, Noncurrent", "label": "Net Investment In Lease And Leaseback Assets, Noncurrent", "terseLabel": "Long-term portion", "verboseLabel": "Investment in sales-type leases, direct financing leases and leaseback assets \u2013 long term" } } }, "localname": "NetInvestmentInLeaseAndLeasebackAssetsNoncurrent", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_NetMinimumLeasePaymentsReceivable": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails": { "order": 1.0, "parentTag": "us-gaap_CapitalLeasesNetInvestmentInDirectFinancingAndSalesTypeLeases", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of remaining payments as of the balance sheet date that lessees are obligated to make or can be required to make under direct financing and sales-type leases, including any guarantee of residual value, but excluding executory costs. The amount also includes any guaranteed rental payments by an unrelated third-party provided that they are financially capable of making such payments.", "label": "Net minimum lease payments receivable", "totalLabel": "Net minimum lease payments receivable" } } }, "localname": "NetMinimumLeasePaymentsReceivable", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_NewOptionsGrantedDuringYearMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Incremental common shares attributable to new stock options granted during the period 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. A contract that gives the holder the right, but not the obligation, either to purchase or to sell a certain number of shares of stock at a predetermined price for a specified period of time.", "label": "New Options Granted During The Year [Member]", "terseLabel": "New Options Granted During The Year" } } }, "localname": "NewOptionsGrantedDuringYearMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_NewbuildingsPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy relating to vessels under construction for (i) capitalizing purchase installments, other capital expenditures, loan interest and associated finance costs and (ii) commencement of depreciation charges.", "label": "Newbuildings [Policy Text Block]", "verboseLabel": "Newbuildings" } } }, "localname": "NewbuildingsPolicyTextBlock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "sfl_Nok600MillionSeniorUnsecuredBondMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "NOK 600 Million Senior Unsecured Bond [Member]", "label": "NOK 600 Million Senior Unsecured Bond [Member]", "terseLabel": "NOK 600 Million Senior Unsecured Bond" } } }, "localname": "Nok600MillionSeniorUnsecuredBondMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "sfl_NorAmDrillingMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "NorAm Drilling [Member]", "label": "NorAm Drilling [Member]", "terseLabel": "NorAm Drilling" } } }, "localname": "NorAmDrillingMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "sfl_NotesCompensationReceivedonTerminationofChartersFaceValue": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Notes Compensation Received on Termination of Charters, Face Value", "label": "Notes Compensation Received on Termination of Charters, Face Value", "terseLabel": "Notes Compensation Received on Termination of Charters, Face Value", "verboseLabel": "Initial face value of note" } } }, "localname": "NotesCompensationReceivedonTerminationofChartersFaceValue", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnTerminationOfChartersDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsLongTermReceivablesFromRelatedPartiesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "sfl_NotionalPrincipalAtMaturity": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Monetary amount to which the derivative(s) will be reduced by the maturity date as specified by the derivative(s). Expressed as an absolute value.", "label": "Notional principal, at maturity", "terseLabel": "Notional principal, at maturity" } } }, "localname": "NotionalPrincipalAtMaturity", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "monetaryItemType" }, "sfl_NumberOfCarCarriers": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of Car Carriers", "label": "Number of Car Carriers", "terseLabel": "Number of car carriers" } } }, "localname": "NumberOfCarCarriers", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GeneralDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfCarCarriersOperatingOnTimeCharterSubcontractedToRelatedParty": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of car carriers operating on time charter for which part or all of the management supervision was contracted to a related party", "label": "Number of car carriers operating on time charter, subcontracted to related party", "terseLabel": "Number of car carriers operating on time charter, subcontracted to related party" } } }, "localname": "NumberOfCarCarriersOperatingOnTimeCharterSubcontractedToRelatedParty", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfChemicalTankersOwned": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of chemical tankers owned by the entity as of the balance sheet date.", "label": "Number of chemical tankers owned", "terseLabel": "Number of chemical tankers owned" } } }, "localname": "NumberOfChemicalTankersOwned", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GeneralDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfContainerVesselsAccountedForAsDirectFinancingLeases": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of Container Vessels Accounted For As Direct Financing Leases", "label": "Number Of Container Vessels Accounted For As Direct Financing Leases", "terseLabel": "Number of container vessels accounted for as direct financing leases" } } }, "localname": "NumberOfContainerVesselsAccountedForAsDirectFinancingLeases", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfContainerVesselsAccountedForAsLeasebackAssets": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of Container Vessels Accounted For As Leaseback Assets", "label": "Number Of Container Vessels Accounted For As Leaseback Assets", "terseLabel": "Number of container vessels" } } }, "localname": "NumberOfContainerVesselsAccountedForAsLeasebackAssets", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GeneralDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfContainerVesselsOperatingOnTimeCharterSubcontractedToRelatedParty": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of container vessels operating on time charter during the period, for which all or a part of the management supervision was sub-contracted to a related party.", "label": "Number of container vessels operating on time charter, subcontracted to related party", "terseLabel": "Number of container vessels operating on time charter, subcontracted to related party" } } }, "localname": "NumberOfContainerVesselsOperatingOnTimeCharterSubcontractedToRelatedParty", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfContainerVesselsOwned": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of container vessels owned by the entity as of the balance sheet date.", "label": "Number of container vessels owned", "terseLabel": "Number of container vessels owned" } } }, "localname": "NumberOfContainerVesselsOwned", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GeneralDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLeasingAndServiceContractsDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfContainerVesselsProvidingAFixedPricePutOptionPurchaseOptionOrPurchaseObligation": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of Container Vessels Providing A Fixed Price Put Option, Purchase Option Or Purchase Obligation", "label": "Number Of Container Vessels Providing A Fixed Price Put Option, Purchase Option Or Purchase Obligation", "terseLabel": "Number of container vessels providing a fixed price put option, purchase option or purchase obligation" } } }, "localname": "NumberOfContainerVesselsProvidingAFixedPricePutOptionPurchaseOptionOrPurchaseObligation", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfContainerVesselsProvidingTheChartererWithPurchaseOptionsAndPutOptions": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of Container Vessels Providing The Charterer With Purchase Options And Put Options", "label": "Number Of Container Vessels Providing The Charterer With Purchase Options And Put Options", "terseLabel": "Number of container vessels providing the charterer with purchase options and put options" } } }, "localname": "NumberOfContainerVesselsProvidingTheChartererWithPurchaseOptionsAndPutOptions", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfContainerVesselsWhereUpgradecompeted": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of Vessels Where Upgrade competed", "label": "Number Of Container Vessels Where Upgrade competed", "terseLabel": "Number of container vessels transferred" } } }, "localname": "NumberOfContainerVesselsWhereUpgradecompeted", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/OtherLongTermAssetsOtherLongTermAssetsNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfDrillingUnits": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of Drilling Units", "label": "Number Of Drilling Units", "terseLabel": "Number of drilling units" } } }, "localname": "NumberOfDrillingUnits", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfDrybulkCarriersOperatingOnTimeCharterSubContractedToRelatedParty": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of drybulk carriers operating on time charter during the period, for which all or a part of the management supervision was sub-contracted to a related party.", "label": "Number of drybulk carriers operating on time charter, sub contracted to related party", "terseLabel": "Number of drybulk carriers operating on time charter, sub contracted to related party" } } }, "localname": "NumberOfDrybulkCarriersOperatingOnTimeCharterSubContractedToRelatedParty", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfHandysizeDrybulkCarriersOwned": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of Handysize drybulk carriers owned by the entity as of the balance sheet date.", "label": "Number of Handysize drybulk carriers owned", "terseLabel": "Number of Handysize drybulk carriers owned" } } }, "localname": "NumberOfHandysizeDrybulkCarriersOwned", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GeneralDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfJackUpDrillingRigsOwned": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of jack-up drilling rigs owned by a wholly-owned subsidiary of the entity as of the balance sheet date.", "label": "Number of jack-up drilling rigs owned", "terseLabel": "Number of jack-up drilling rigs owned" } } }, "localname": "NumberOfJackUpDrillingRigsOwned", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GeneralDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfNewbuildingCrudeOilTankersAcquired": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of Newbuilding Crude Oil Tankers Acquired", "label": "Number Of Newbuilding Crude Oil Tankers Acquired", "terseLabel": "Number of newbuilding crude oil tankers acquired" } } }, "localname": "NumberOfNewbuildingCrudeOilTankersAcquired", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfOffshoreSupplyVesselsOwned": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of offshore supply vessels owned by the entity as of the balance sheet date.", "label": "Number of offshore supply vessels owned", "terseLabel": "Number of offshore supply vessels owned" } } }, "localname": "NumberOfOffshoreSupplyVesselsOwned", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GeneralDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfRemainingVesselsRelatingToLoanFacility": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of remaining vessels relating to loan facility.", "label": "Number Of Remaining Vessels Relating To Loan Facility", "verboseLabel": "Number of remaining vessels relating to loan facility" } } }, "localname": "NumberOfRemainingVesselsRelatingToLoanFacility", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfSupramaxDrybulkCarriersOwned": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of Supramax drybulk carriers owned by the entity as of the balance sheet date.", "label": "Number of Supramax drybulk carriers owned", "terseLabel": "Number of Supramax drybulk carriers owned" } } }, "localname": "NumberOfSupramaxDrybulkCarriersOwned", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GeneralDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfTankersChartered": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of Tankers Chartered", "label": "Number Of Tankers Chartered", "terseLabel": "Number of tankers chartered" } } }, "localname": "NumberOfTankersChartered", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfUltraDeepwaterDrillingUnitsOwned": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of ultra-deepwater drilling units owned by a wholly owned subsidiary of the entity as of the balance sheet date.", "label": "Number of ultra deepwater drilling units owned", "terseLabel": "Number of ultra deepwater drilling units owned", "verboseLabel": "Number of ultra-deepwater drilling units owned by wholly-owned subsidiaries accounted for using the equity method" } } }, "localname": "NumberOfUltraDeepwaterDrillingUnitsOwned", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesDetails", "http://shipfinance.bm/role/GeneralDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfVLCCCrudeTankersUnderConstruction": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of VLCC Crude Tankers Under Construction", "label": "Number Of VLCC Crude Tankers Under Construction", "terseLabel": "Number of VLCC crude tankers under construction" } } }, "localname": "NumberOfVLCCCrudeTankersUnderConstruction", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfVLCCsAccountedForAsLeasebackAssets": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of VLCCs Accounted For As Leaseback Assets", "label": "Number Of VLCCs Accounted For As Leaseback Assets", "terseLabel": "Number of VLCCs accounted for as leaseback assets" } } }, "localname": "NumberOfVLCCsAccountedForAsLeasebackAssets", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfVLCCsSoldDirectFinancingLease": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of VLCCs Sold, Direct Financing Lease", "label": "Number Of VLCCs Sold, Direct Financing Lease", "terseLabel": "Number of vlccs sold, direct financing lease" } } }, "localname": "NumberOfVLCCsSoldDirectFinancingLease", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfVariableInterestEntities": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of variable interest entities included in the Company's consolidated financial statements as of the reporting date where related and third parties have fixed price options to purchase the respective vessels at future dates. Purchase options are not deemed to be at bargain prices.", "label": "Number Of Variable Interest Entities", "verboseLabel": "Number of variable interest entities" } } }, "localname": "NumberOfVariableInterestEntities", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedVariableInterestEntitiesDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfVariableInterestEntitiesRelatedToFinanceLeaseLiabilities": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of Variable Interest Entities Related To Finance Lease Liabilities", "label": "Number Of Variable Interest Entities Related To Finance Lease Liabilities", "terseLabel": "Number Of Variable Interest Entities Related To Finance Lease Liabilities" } } }, "localname": "NumberOfVariableInterestEntitiesRelatedToFinanceLeaseLiabilities", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedVariableInterestEntitiesDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfVariableInterestEntitiesRelatedToOutstandingLoanBalances": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of Variable Interest Entities Related To Outstanding Loan Balances", "label": "Number Of Variable Interest Entities Related To Outstanding Loan Balances", "terseLabel": "Number Of Variable Interest Entities Related To Outstanding Loan Balances" } } }, "localname": "NumberOfVariableInterestEntitiesRelatedToOutstandingLoanBalances", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedVariableInterestEntitiesDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfVeryLargeCrudeOilCarriersOwned": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of very large crude oil carriers owned by the entity as of the balance sheet date.", "label": "Number Of Very Large Crude Oil Carriers Owned", "terseLabel": "Number of very large crude oil carriers owned" } } }, "localname": "NumberOfVeryLargeCrudeOilCarriersOwned", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GeneralDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfVesselChartersTerminated": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of Vessel Charters Terminated", "label": "Number Of Vessel Charters Terminated", "terseLabel": "Number of vessel charters" } } }, "localname": "NumberOfVesselChartersTerminated", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfVesselsAccountedForAsLeasebackAssets": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of Vessels Accounted For As Leaseback Assets", "label": "Number Of Vessels Accounted For As Leaseback Assets", "terseLabel": "Number of vessels accounted for as leaseback assets" } } }, "localname": "NumberOfVesselsAccountedForAsLeasebackAssets", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfVesselsAccountedForUnderFinanceLease": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of Vessels Accounted For Under Finance Lease", "label": "Number Of Vessels Accounted For Under Finance Lease", "terseLabel": "Number of units" } } }, "localname": "NumberOfVesselsAccountedForUnderFinanceLease", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfVesselsAgainstWhichLoanWasSecured": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of vessels against which the loan was originally secured.", "label": "Number Of Vessels Against Which Loan Was Secured", "verboseLabel": "Number of vessels against which loan was secured" } } }, "localname": "NumberOfVesselsAgainstWhichLoanWasSecured", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfVesselsDelivered": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of vessels delivered.", "label": "Number Of Vessels Delivered", "negatedLabel": "Number of vessels delivered" } } }, "localname": "NumberOfVesselsDelivered", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfVesselsSold": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of vessels sold", "label": "Number Of Vessels Sold", "verboseLabel": "Number of vessels sold" } } }, "localname": "NumberOfVesselsSold", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/SubsequentEventsDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfVesselsTheDebtHasBeenSecuredAgainst": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of Vessels The Debt Has Been Secured Against", "label": "Number Of Vessels The Debt Has Been Secured Against", "terseLabel": "Number of container vessels" } } }, "localname": "NumberOfVesselsTheDebtHasBeenSecuredAgainst", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/OtherLongTermAssetsOtherLongTermAssetsNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfWhollyOwnedSubsidiaries": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of Wholly Owned Subsidiaries", "label": "Number Of Wholly Owned Subsidiaries", "terseLabel": "Number of wholly owned subsidiaries" } } }, "localname": "NumberOfWhollyOwnedSubsidiaries", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberOfWhollyOwnedSubsidiariesOfCompanyThatEnteredIntoSecuredTermLoanFacilityAgreement": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of wholly-owned subsidiaries of the Company that entered into a secured term loan facility agreement", "label": "Number Of Wholly Owned Subsidiaries Of Company That Entered Into Secured Term Loan Facility Agreement", "verboseLabel": "Number of wholly-owned subsidiaries of the Company that entered into secured term loan facility agreement" } } }, "localname": "NumberOfWhollyOwnedSubsidiariesOfCompanyThatEnteredIntoSecuredTermLoanFacilityAgreement", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberofCapesizedrybulkcarriersowned": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of Capesize drybulk carriers owned", "label": "Number of Capesize drybulk carriers owned", "terseLabel": "Number of Capesize drybulk carriers owned" } } }, "localname": "NumberofCapesizedrybulkcarriersowned", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GeneralDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberofContainerVesselsaccountedforasrightofuseassets": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of Container Vessels accounted for as right of use assets", "label": "Number of Container Vessels accounted for as right of use assets", "terseLabel": "Number of vessels acquired" } } }, "localname": "NumberofContainerVesselsaccountedforasrightofuseassets", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/OtherLongTermAssetsOtherLongTermAssetsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberofKamsarmaxdrybulkcarriersowned": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of Kamsarmax drybulk carriers owned", "label": "Number of Kamsarmax drybulk carriers owned", "terseLabel": "Number of Kamsarmax drybulk carriers owned" } } }, "localname": "NumberofKamsarmaxdrybulkcarriersowned", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GeneralDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberofLoanNotes": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of Loan Notes", "label": "Number of Loan Notes", "terseLabel": "Number of loan notes" } } }, "localname": "NumberofLoanNotes", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberofSuezmaxcrudeoilcarriers": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of Suezmax crude oil carriers", "label": "Number of Suezmax crude oil carriers", "terseLabel": "Number of Suezmax crude oil carriers owned" } } }, "localname": "NumberofSuezmaxcrudeoilcarriers", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GeneralDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberofVLCCsWhichWereUpgraded": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of VLCCs Which Were Upgraded", "label": "Number of VLCCs Which Were Upgraded", "terseLabel": "Number of VLCCs accounts for as leaseback assets", "verboseLabel": "Number of VLCCs" } } }, "localname": "NumberofVLCCsWhichWereUpgraded", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GeneralDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberofVesselsWithFinanceLeaseLiabilities": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of Vessels With Finance Lease Liabilities", "label": "Number of Vessels With Finance Lease Liabilities", "terseLabel": "Vessels with finance lease liabilities with a net book value", "verboseLabel": "Number of vessels with finance lease liabilities" } } }, "localname": "NumberofVesselsWithFinanceLeaseLiabilities", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesDetails", "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/GeneralDetails" ], "xbrltype": "integerItemType" }, "sfl_Numberofcontainervesselscontractedtobecharteredin": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of 19,200 20 TEU container vessels", "label": "Number of container vessels contracted to be chartered in", "terseLabel": "Number of container vessels contracted to be chartered in" } } }, "localname": "Numberofcontainervesselscontractedtobecharteredin", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesDetails", "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails", "http://shipfinance.bm/role/GeneralDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "integerItemType" }, "sfl_Numberofcontainervesselsimpaired": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of container vessels impaired", "label": "Number of container vessels impaired", "terseLabel": "Number of container vessels impaired" } } }, "localname": "Numberofcontainervesselsimpaired", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_Numberofdrillingrigsownedbywhollyownedsubsidiariesaccountforusingtheequitymethod": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of drilling rigs owned by wholly-owned subsidiaries account for using the equity method", "label": "Number of drilling rigs owned by wholly-owned subsidiaries account for using the equity method", "terseLabel": "Number of drilling rigs owned by wholly-owned subsidiaries account for using the equity method" } } }, "localname": "Numberofdrillingrigsownedbywhollyownedsubsidiariesaccountforusingtheequitymethod", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails" ], "xbrltype": "integerItemType" }, "sfl_Numberofdrybulkcarriers": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of drybulk carriers", "label": "Number of drybulk carriers", "terseLabel": "Number of drybulk carriers" } } }, "localname": "Numberofdrybulkcarriers", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_Numberofjackupdrillingrigsownedbywhollyownedsubsidiariesaccountforusingtheequitymethod": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of jack-up drilling rigs owned by wholly-owned subsidiaries account for using the equity method", "label": "Number of jack-up drilling rigs owned by wholly-owned subsidiaries account for using the equity method", "terseLabel": "Number of jack-up drilling rigs owned by wholly-owned subsidiaries account for using the equity method" } } }, "localname": "Numberofjackupdrillingrigsownedbywhollyownedsubsidiariesaccountforusingtheequitymethod", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesDetails", "http://shipfinance.bm/role/GeneralDetails" ], "xbrltype": "integerItemType" }, "sfl_Numberofoffshoresupplyvesselsunderfinancelease": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of offshore supply vessels under finance lease", "label": "Number of offshore supply vessels under finance lease", "terseLabel": "Number of offshore supply vessels under finance lease" } } }, "localname": "Numberofoffshoresupplyvesselsunderfinancelease", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_Numberofoffshoresupplyvesselsunderoperatingleases": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of offshore supply vessels under operating leases", "label": "Number of offshore supply vessels under operating leases", "terseLabel": "Number of offshore supply vessels under operating leases" } } }, "localname": "Numberofoffshoresupplyvesselsunderoperatingleases", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_Numberofoffshoresupplyvesselswhichhadasellerscreditwhichwereimpaired": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of offshore supply vessels which had a sellers credit which were impaired", "label": "Number of offshore supply vessels which had a sellers credit which were impaired", "terseLabel": "Number of offshore supply vessels" } } }, "localname": "Numberofoffshoresupplyvesselswhichhadasellerscreditwhichwereimpaired", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_NumberofoffshorevesselsforwhichcharterhirewillbereceivedAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of offshore vessels for which charter hire will be received [Axis]", "label": "Number of offshore vessels for which charter hire will be received [Axis]", "terseLabel": "Number of offshore vessels for which charter hire will be received [Axis]" } } }, "localname": "NumberofoffshorevesselsforwhichcharterhirewillbereceivedAxis", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails" ], "xbrltype": "stringItemType" }, "sfl_NumberofoffshorevesselsforwhichcharterhirewillbereceivedDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "[Domain] for Number of offshore vessels for which charter hire will be received [Axis]", "label": "Number of offshore vessels for which charter hire will be received [Domain]", "terseLabel": "Number of offshore vessels for which charter hire will be received [Domain]" } } }, "localname": "NumberofoffshorevesselsforwhichcharterhirewillbereceivedDomain", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_Numberofoilproducttankerscontractedtobeacquired": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of oil product tankers contracted to be acquired", "label": "Number of oil product tankers contracted to be acquired", "terseLabel": "Number of oil product tankers contracted to be acquired" } } }, "localname": "Numberofoilproducttankerscontractedtobeacquired", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GeneralDetails" ], "xbrltype": "integerItemType" }, "sfl_Numberofsharesheldaftershareconsolidation": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of shares held after share consolidation", "label": "Number of shares held after share consolidation", "terseLabel": "Number of shares held after share consolidation" } } }, "localname": "Numberofsharesheldaftershareconsolidation", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "sharesItemType" }, "sfl_Numberofunitsofinvestmentsinbondsredeemed": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of units of investments in bonds redeemed", "label": "Number of units of investments in bonds redeemed", "terseLabel": "Number of units of investments in bonds redeemed" } } }, "localname": "Numberofunitsofinvestmentsinbondsredeemed", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "integerItemType" }, "sfl_Numberofvesselsbeingupgraded": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of vessels being upgraded", "label": "Number of vessels being upgraded", "terseLabel": "Number of vessels committed to vessel upgrades" } } }, "localname": "Numberofvesselsbeingupgraded", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/OperatingLeasesDetails", "http://shipfinance.bm/role/OtherLongTermAssetsOtherLongTermAssetsNarrativeDetails" ], "xbrltype": "integerItemType" }, "sfl_Numberofwhollyownedsubsidiariesthatowndrillingunitsaccountedforusingtheequitymethod": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "As of the balance sheet date, the number of wholly-owned subsidiaries accounted for using the equity method that own drilling units", "label": "Number of wholly-owned subsidiaries that own drilling units accounted for using the equity method", "terseLabel": "Number of wholly-owned subsidiaries that own drilling rigs" } } }, "localname": "Numberofwhollyownedsubsidiariesthatowndrillingunitsaccountedforusingtheequitymethod", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesDetails" ], "xbrltype": "integerItemType" }, "sfl_Numberofyearbeforeoptiontobuyvesselisavailable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of year before option to buy vessel is available", "label": "Number of year before option to buy vessel is available", "terseLabel": "Number of year before option to buy vessel is available" } } }, "localname": "Numberofyearbeforeoptiontobuyvesselisavailable", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "durationItemType" }, "sfl_NumeratorBasicAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Numerator, Basic [Abstract]", "verboseLabel": "Basic earnings per share:" } } }, "localname": "NumeratorBasicAbstract", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/EarningsPerShareDetails" ], "xbrltype": "stringItemType" }, "sfl_NumeratorDilutedAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Numerator, Diluted [Abstract]", "verboseLabel": "Diluted earnings per share:" } } }, "localname": "NumeratorDilutedAbstract", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/EarningsPerShareDetails" ], "xbrltype": "stringItemType" }, "sfl_OffshorevesselsandrigsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Offshore vessels and rigs [Member]", "label": "Offshore vessels and rigs [Member]", "terseLabel": "Offshore vessels and rigs" } } }, "localname": "OffshorevesselsandrigsMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "sfl_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentOther": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfComprehensiveIncome": { "order": 6.0, "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "This element represents Other Comprehensive Income or Loss, Net of Tax, for the period attributable to the parent entity which is not separately disclosed.", "label": "Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent, Other", "terseLabel": "Other comprehensive loss", "verboseLabel": "Other items of comprehensive (loss)/income" } } }, "localname": "OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentOther", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/ConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "sfl_OtherRelatedPartiesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The aggregate of all other parties, not specifically defined elsewhere, related to the reporting entity through direct or indirect significant interests.", "label": "Other related parties [Member]", "terseLabel": "Other related parties" } } }, "localname": "OtherRelatedPartiesMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfAmountsDueFromAndToRelatedPartiesExcludingDirectFinancingLeasesDetails" ], "xbrltype": "domainItemType" }, "sfl_OwnshareLendingArrangementSharesTotalAuthorisedforsharelendingarrangement": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Own-share Lending Arrangement, Shares, Total Authorised for share lending arrangement", "label": "Own-share Lending Arrangement, Shares, Total Authorised for share lending arrangement", "terseLabel": "Total authorised for share lending arrangement (in shares)" } } }, "localname": "OwnshareLendingArrangementSharesTotalAuthorisedforsharelendingarrangement", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/EarningsPerShareNarrativeDetails", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "sharesItemType" }, "sfl_PaymentsForInvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssets": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 13.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Payments For Investments In Sales-Type Leases, Direct Financing Leases, And Leaseback Assets", "label": "Payments For Investments In Sales-Type Leases, Direct Financing Leases, And Leaseback Assets", "negatedTerseLabel": "Repayments from investment in sales-type, direct financing and leaseback assets" } } }, "localname": "PaymentsForInvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssets", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "sfl_PaymentsToAcquireEquitySecuritiesFVNI": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Payments To Acquire Equity Securities, FV-NI", "label": "Payments To Acquire Equity Securities, FV-NI", "terseLabel": "Additions during the year" } } }, "localname": "PaymentsToAcquireEquitySecuritiesFVNI", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfMarketableSecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_PercentageOfLongTermLineOfCreditProvided": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Percentage Of Long Term Line Of Credit Provided", "label": "Percentage Of Long Term Line Of Credit Provided", "terseLabel": "Percentage of long term line of credit provided" } } }, "localname": "PercentageOfLongTermLineOfCreditProvided", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "percentItemType" }, "sfl_PercentageShareOfJointCosts": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Percentage Share Of Joint Costs", "label": "Percentage Share Of Joint Costs", "terseLabel": "Percentage share of joint costs" } } }, "localname": "PercentageShareOfJointCosts", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "percentItemType" }, "sfl_Percentageheldinconsolidatedsubsidiarysoldtoathirdparty": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Percentage held in consolidated subsidiary sold to a third party", "label": "Percentage held in consolidated subsidiary sold to a third party", "terseLabel": "Percentage held in consolidated subsidiary sold to a third party" } } }, "localname": "Percentageheldinconsolidatedsubsidiarysoldtoathirdparty", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroupsNarrativeDetails" ], "xbrltype": "percentItemType" }, "sfl_PremiumofConvertibleDebtifConvertedatBalanceSheetDate": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Premium of Convertible Debt if Converted at Balance Sheet Date- Adjustment to convertible based on closing share price", "label": "Premium of Convertible Debt if Converted at Balance Sheet Date", "terseLabel": "Principal amounts" } } }, "localname": "PremiumofConvertibleDebtifConvertedatBalanceSheetDate", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "sfl_PrepaidExpensesAndAccruedIncome": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 8.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Carrying amount as of the balance sheet date of expenditures made, not otherwise specified in the taxonomy, in advance of the timing of recognition of expenses which are expected to be charged against earnings within one year or the normal operating cycle, if longer. And, aggregate carrying amount, as of the balance sheet date, of fees and other revenue recorded based on estimates or specific contractual terms as transactions occur or services are rendered in the current period.", "label": "Prepaid expenses and accrued income", "terseLabel": "Prepaid expenses and accrued income" } } }, "localname": "PrepaidExpensesAndAccruedIncome", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "sfl_ProceedsFromIssuanceOfShortTermAndLongTermDebt": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from short-term and long-term debt.", "label": "Proceeds from issuance of short term and long term debt", "terseLabel": "Proceeds from issuance of short-term and long-term debt" } } }, "localname": "ProceedsFromIssuanceOfShortTermAndLongTermDebt", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "sfl_ProceedsFromLeasePaymentSalesTypeAndDirectFinancingLeasesInvestingActivity": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 9.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Proceeds From Lease Payment Sales Type And Direct Financing Leases, Investing Activity", "label": "Proceeds From Lease Payment Sales Type And Direct Financing Leases, Investing Activity", "verboseLabel": "Repayments from investment in direct financing and sales-type leases" } } }, "localname": "ProceedsFromLeasePaymentSalesTypeAndDirectFinancingLeasesInvestingActivity", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "sfl_ProceedsFromSaleOfEquitySecuritiesFVNI": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Proceeds From Sale Of Equity Securities, FV-NI", "label": "Proceeds From Sale Of Equity Securities, FV-NI", "negatedTerseLabel": "Disposals during the year" } } }, "localname": "ProceedsFromSaleOfEquitySecuritiesFVNI", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfMarketableSecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_ProceedsFromSaleOfFrontlineShares": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Proceeds From Sale Of Frontline Shares", "label": "Proceeds From Sale Of Frontline Shares", "terseLabel": "Proceeds from sale of Frontline shares" } } }, "localname": "ProceedsFromSaleOfFrontlineShares", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "sfl_Proceedsfromsettledloannotes": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Proceeds from settled loan notes", "label": "Proceeds from settled loan notes", "terseLabel": "Proceeds from sale of vessels and termination of charters", "verboseLabel": "Proceeds from sale of vessels and termination of charters" } } }, "localname": "Proceedsfromsettledloannotes", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows", "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyPurchasesAndSalesOfVesselsDetails", "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "monetaryItemType" }, "sfl_ProfitSharingRevenuesFromRelatedParties": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 5.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Revenue from related parties derived from profit sharing contracts or arrangements based on underlying fleet usage.", "label": "Profit sharing revenues from related parties", "terseLabel": "Profit sharing revenues \u2013 related parties", "verboseLabel": "Profit share" } } }, "localname": "ProfitSharingRevenuesFromRelatedParties", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsSummaryOfLeasingRevenuesEarnedFromRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_ProfitshareincomefromJuly12015onwards": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Profit share income from July 1 2015 onwards", "label": "Profit share income from July 1 2015 onwards", "terseLabel": "Profit share income from July 1 2015 onwards" } } }, "localname": "ProfitshareincomefromJuly12015onwards", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "sfl_ProfitsharingpercentofearningsfromFrontlinefromJuly12015onwards": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Profit sharing percent of earnings from Frontline from July 1 2015 onwards", "label": "Profit sharing percent of earnings from Frontline from July 1 2015 onwards", "terseLabel": "Profit sharing percent of earnings from Frontline from July 1 2015 onwards" } } }, "localname": "ProfitsharingpercentofearningsfromFrontlinefromJuly12015onwards", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "percentItemType" }, "sfl_Profitsharingrevenuesfromnonrelatedparties": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 4.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Revenue from non-related parties derived from profit sharing contracts or arrangements based on underlying fleet usage", "label": "Profit sharing revenues from non-related parties", "terseLabel": "Profit sharing revenues \u2013 other" } } }, "localname": "Profitsharingrevenuesfromnonrelatedparties", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "sfl_PropertysubjecttodirectfinancingleasesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Property subject to direct financing leases [Member]", "label": "Property subject to direct financing leases [Member]", "terseLabel": "Property subject to direct financing leases" } } }, "localname": "PropertysubjecttodirectfinancingleasesMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_ProportionofbondholdersinrestructuringagreementwithSeadrillLimited": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Proportion of bondholders in restructuring agreement with Seadrill Limited", "label": "Proportion of bondholders in restructuring agreement with Seadrill Limited", "terseLabel": "Proportion of bondholders in restructuring agreement with Seadrill Limited" } } }, "localname": "ProportionofbondholdersinrestructuringagreementwithSeadrillLimited", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "percentItemType" }, "sfl_ProportionofsecuredbanklendersinrestructuringagreementwithSeadrillLimited": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Proportion of secured bank lenders in restructuring agreement with Seadrill Limited", "label": "Proportion of secured bank lenders in restructuring agreement with Seadrill Limited", "terseLabel": "Proportion of secured bank lenders in restructuring agreement with Seadrill Limited" } } }, "localname": "ProportionofsecuredbanklendersinrestructuringagreementwithSeadrillLimited", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "percentItemType" }, "sfl_PurchaseOfVessels": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Cash outflow for acquisition of vessels.", "label": "Purchase of vessels", "negatedLabel": "Purchase of vessels", "terseLabel": "Purchase of vessels" } } }, "localname": "PurchaseOfVessels", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows", "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "monetaryItemType" }, "sfl_RealizedGainLossOnDisposalOfAssetsAndTerminationOfChartersTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Realized Gain (Loss) on Disposal of Assets and Termination of Charters [Table Text Block]", "label": "Realized Gain (Loss) on Disposal of Assets and Termination of Charters [Table Text Block]", "terseLabel": "Gains on sale of assets and termination of charters" } } }, "localname": "RealizedGainLossOnDisposalOfAssetsAndTerminationOfChartersTableTextBlock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersTables" ], "xbrltype": "textBlockItemType" }, "sfl_ReceivableInterestRateStatedPercentage": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Receivable, Interest Rate, Stated Percentage", "label": "Receivable, Interest Rate, Stated Percentage", "terseLabel": "Stated interest rate" } } }, "localname": "ReceivableInterestRateStatedPercentage", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/OtherFinancialItemsNetDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsLongTermReceivablesFromRelatedPartiesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "percentItemType" }, "sfl_ReclassificationofVesselsandEquipmenttoVesselsunderfinancelease": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Reclassification of Vessels and Equipment to Vessels under finance lease", "label": "Reclassification of Vessels and Equipment to Vessels under finance lease", "terseLabel": "Reclassification of derecognized vessels" } } }, "localname": "ReclassificationofVesselsandEquipmenttoVesselsunderfinancelease", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "monetaryItemType" }, "sfl_RedemptionPriceOfDebt": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The redemption price (in percentage) of debt which the borrower can call the outstanding debt instrument for repayment.", "label": "Redemption price of debt", "verboseLabel": "Redemption price of debt (in hundredths)" } } }, "localname": "RedemptionPriceOfDebt", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "percentItemType" }, "sfl_RelatedPartyOperatingManagementFees": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Related Party, Operating Management Fees", "label": "Related Party, Operating Management Fees", "terseLabel": "Operating Management Fees", "verboseLabel": "Management service fees" } } }, "localname": "RelatedPartyOperatingManagementFees", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfFeesIncurredWithRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_RelatedPartyTransactionsAmountsDueFromAndDueToRelatedPartiesTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A tabular disclosure of amounts owed to and due from related parties.", "label": "Related Party Transactions, Amounts Due From And Due To Related Parties [Table Text Block]", "verboseLabel": "Amounts due from and to related parties, excluding direct financing lease balances" } } }, "localname": "RelatedPartyTransactionsAmountsDueFromAndDueToRelatedPartiesTableTextBlock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsTables" ], "xbrltype": "textBlockItemType" }, "sfl_RelatedPartyTransactionsDailyVesselManagementFee": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Related Party Transactions Daily Vessel Management Fee. This is an absolute value.", "label": "Related Party Transactions Daily Vessel Management Fee", "terseLabel": "Management/operating fee per day" } } }, "localname": "RelatedPartyTransactionsDailyVesselManagementFee", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "sfl_RelatedPartyTransactionsDirectFinancingLeaseRepayments": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The amount of direct financing lease repayments received from related parties during the period.", "label": "Related Party Transactions Direct Financing Lease Repayments", "verboseLabel": "Direct financing lease repayments" } } }, "localname": "RelatedPartyTransactionsDirectFinancingLeaseRepayments", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsSummaryOfLeasingRevenuesEarnedFromRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_RelatedPartyTransactionsManagementFeesPaidProvisionOfOfficeFacilities": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Management fees paid to a related party during the period for the provision of office facilities.", "label": "Related Party Transactions Management Fees Paid, Provision Of Office Facilities", "terseLabel": "Office Facilities" } } }, "localname": "RelatedPartyTransactionsManagementFeesPaidProvisionOfOfficeFacilities", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfFeesIncurredWithRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_RelatedPartyTransactionsManagementFeesPaidSupervisionOfNewbuildings": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Management fees paid to a related party during the period for the supervision of newbuildings.", "label": "Related Party Transactions Management Fees Paid, Supervision Of Newbuildings", "terseLabel": "Newbuilding Supervision Fees" } } }, "localname": "RelatedPartyTransactionsManagementFeesPaidSupervisionOfNewbuildings", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfFeesIncurredWithRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_RelatedPartyTransactionsProfitShareOfEarningsOnLeaseVesselsReceivedFromRelatedParty": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The percentage of profit share from earnings on leased vessels received from the related party during the period.", "label": "Related Party Transactions Profit Share Of Earnings On Lease Vessels Received From Related Party", "verboseLabel": "Profit sharing percentage of earnings from Frontline for use of fleet" } } }, "localname": "RelatedPartyTransactionsProfitShareOfEarningsOnLeaseVesselsReceivedFromRelatedParty", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "percentItemType" }, "sfl_RelatedPartyTransactionsScheduleOfLeasingRevenueEarnedTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of leasing revenue earned from related parties.", "label": "Related Party Transactions Schedule Of Leasing Revenue Earned [Table Text Block]", "verboseLabel": "Summary of leasing revenues earned from related parties" } } }, "localname": "RelatedPartyTransactionsScheduleOfLeasingRevenueEarnedTableTextBlock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsTables" ], "xbrltype": "textBlockItemType" }, "sfl_RepaymentsOfShortTermAndLongTermDebt": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow for short-term and long-term debt.", "label": "Repayments of short term and long term debt", "negatedLabel": "Repayments of short-term and long-term debt" } } }, "localname": "RepaymentsOfShortTermAndLongTermDebt", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "sfl_RepurchaseOfBonds": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow from the repurchase of bonds.", "label": "Repurchase of bonds", "negatedLabel": "Repurchase of bonds", "terseLabel": "Repurchase of bonds" } } }, "localname": "RepurchaseOfBonds", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "sfl_RigFinanceLimitedMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Rig Finance Limited [Member]", "label": "Rig Finance Limited [Member]", "terseLabel": "Rig Finance" } } }, "localname": "RigFinanceLimitedMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroupsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_SFLAvonMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "SFL Avon [Member]", "label": "SFL Avon [Member]", "terseLabel": "SFL Avon" } } }, "localname": "SFLAvonMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_SFLDeepwaterSFLHerculesSFLLinusMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "SFL Deepwater, SFL Hercules, SFL Linus [Member]", "label": "SFL Deepwater, SFL Hercules, SFL Linus [Member]", "terseLabel": "SFL Deepwater, SFL Hercules, SFL Linus [Member]" } } }, "localname": "SFLDeepwaterSFLHerculesSFLLinusMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "domainItemType" }, "sfl_SFLLinusMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "SFL Linus [Member]", "label": "SFL Linus [Member]", "terseLabel": "SFL Linus" } } }, "localname": "SFLLinusMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLoansAssociatedCompainesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfAmountsDueFromAndToRelatedPartiesExcludingDirectFinancingLeasesDetails" ], "xbrltype": "domainItemType" }, "sfl_SFLShareOptionSchemeMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "SFL Share Option Scheme [Member]", "label": "SFL Share Option Scheme [Member]", "terseLabel": "Ship Finance International Limited Share Option Scheme" } } }, "localname": "SFLShareOptionSchemeMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "sfl_SaleofStockNumberofSharesIssuedinTransactionSubjectToRepurchaseAgreement": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Sale of Stock, Number of Shares Issued in Transaction, Subject To Repurchase Agreement", "label": "Sale of Stock, Number of Shares Issued in Transaction, Subject To Repurchase Agreement", "terseLabel": "Remaining shares sold" } } }, "localname": "SaleofStockNumberofSharesIssuedinTransactionSubjectToRepurchaseAgreement", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails" ], "xbrltype": "sharesItemType" }, "sfl_SaleofVLCCFrontVanguardMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Sale of VLCC Front Vanguard [Member]", "label": "Sale of VLCC Front Vanguard [Member]", "terseLabel": "Sale of VLCC Front Vanguard" } } }, "localname": "SaleofVLCCFrontVanguardMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_SaleofoffshoresupportvesselSeaBearMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Sale of offshore support vessel Sea Bear [Member]", "label": "Sale of offshore support vessel Sea Bear [Member]", "terseLabel": "Sale of offshore support vessel Sea Bear" } } }, "localname": "SaleofoffshoresupportvesselSeaBearMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/OtherFinancialItemsNetDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_SaleofoiltankerFrontArdenneMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Sale of oil tanker- Front Ardenne [Member] [Member]", "label": "Sale of oil tanker- Front Ardenne [Member]", "terseLabel": "Sale of oil tanker- Front Ardenne" } } }, "localname": "SaleofoiltankerFrontArdenneMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_SaleofoiltankerFrontBrabantMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Sale of oil tanker- Front Brabant [Member]", "label": "Sale of oil tanker- Front Brabant [Member]", "terseLabel": "Sale of oil tanker- Front Brabant" } } }, "localname": "SaleofoiltankerFrontBrabantMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_SaleofoiltankerFrontCenturyMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Sale of oil tanker- Front Century [Member]", "label": "Sale of oil tanker- Front Century [Member]", "terseLabel": "Sale of oil tanker- Front Century" } } }, "localname": "SaleofoiltankerFrontCenturyMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_SalesTypeAndDirectFinancingLeasesAndLeasebackAssetsPaymentstobeReceived": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Sales-Type And Direct Financing Leases And Leaseback Assets, Payments to be Received", "label": "Sales-Type And Direct Financing Leases And Leaseback Assets, Payments to be Received", "totalLabel": "Total minimum lease revenues" } } }, "localname": "SalesTypeAndDirectFinancingLeasesAndLeasebackAssetsPaymentstobeReceived", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_SalesTypeAndDirectFinancingLeasesAndLeasebackAssetsPaymentstobeReceivedFiveYears": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails": { "order": 5.0, "parentTag": "sfl_SalesTypeAndDirectFinancingLeasesAndLeasebackAssetsPaymentstobeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Sales-Type And Direct Financing Leases And Leaseback Assets, Payments to be Received, Five Years", "label": "Sales-Type And Direct Financing Leases And Leaseback Assets, Payments to be Received, Five Years", "totalLabel": "Total, 2024" } } }, "localname": "SalesTypeAndDirectFinancingLeasesAndLeasebackAssetsPaymentstobeReceivedFiveYears", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_SalesTypeAndDirectFinancingLeasesAndLeasebackAssetsPaymentstobeReceivedFourYears": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails": { "order": 4.0, "parentTag": "sfl_SalesTypeAndDirectFinancingLeasesAndLeasebackAssetsPaymentstobeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Sales-Type And Direct Financing Leases And Leaseback Assets, Payments to be Received, Four Years", "label": "Sales-Type And Direct Financing Leases And Leaseback Assets, Payments to be Received, Four Years", "totalLabel": "Total, 2023" } } }, "localname": "SalesTypeAndDirectFinancingLeasesAndLeasebackAssetsPaymentstobeReceivedFourYears", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_SalesTypeAndDirectFinancingLeasesAndLeasebackAssetsPaymentstobeReceivedNextTwelveMonths": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails": { "order": 1.0, "parentTag": "sfl_SalesTypeAndDirectFinancingLeasesAndLeasebackAssetsPaymentstobeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Sales-Type And Direct Financing Leases And Leaseback Assets, Payments to be Received, Next Twelve Months", "label": "Sales-Type And Direct Financing Leases And Leaseback Assets, Payments to be Received, Next Twelve Months", "totalLabel": "Total, 2020" } } }, "localname": "SalesTypeAndDirectFinancingLeasesAndLeasebackAssetsPaymentstobeReceivedNextTwelveMonths", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_SalesTypeAndDirectFinancingLeasesAndLeasebackAssetsPaymentstobeReceivedThereafter": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails": { "order": 6.0, "parentTag": "sfl_SalesTypeAndDirectFinancingLeasesAndLeasebackAssetsPaymentstobeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Sales-Type And Direct Financing Leases And Leaseback Assets, Payments to be Received, Thereafter", "label": "Sales-Type And Direct Financing Leases And Leaseback Assets, Payments to be Received, Thereafter", "totalLabel": "Total, Thereafter" } } }, "localname": "SalesTypeAndDirectFinancingLeasesAndLeasebackAssetsPaymentstobeReceivedThereafter", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_SalesTypeAndDirectFinancingLeasesAndLeasebackAssetsPaymentstobeReceivedThreeYears": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails": { "order": 3.0, "parentTag": "sfl_SalesTypeAndDirectFinancingLeasesAndLeasebackAssetsPaymentstobeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Sales-Type And Direct Financing Leases And Leaseback Assets, Payments to be Received, Three Years", "label": "Sales-Type And Direct Financing Leases And Leaseback Assets, Payments to be Received, Three Years", "totalLabel": "Total, 2022" } } }, "localname": "SalesTypeAndDirectFinancingLeasesAndLeasebackAssetsPaymentstobeReceivedThreeYears", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_SalesTypeAndDirectFinancingLeasesAndLeasebackAssetsPaymentstobeReceivedTwoYears": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails": { "order": 2.0, "parentTag": "sfl_SalesTypeAndDirectFinancingLeasesAndLeasebackAssetsPaymentstobeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Sales-Type And Direct Financing Leases And Leaseback Assets, Payments to be Received, Two Years", "label": "Sales-Type And Direct Financing Leases And Leaseback Assets, Payments to be Received, Two Years", "totalLabel": "Total, 2021" } } }, "localname": "SalesTypeAndDirectFinancingLeasesAndLeasebackAssetsPaymentstobeReceivedTwoYears", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_SalesTypeDirectFinancingLeasesAndLeasebackAssetsInterestIncome": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfInterestIncomeDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Sales-Type, Direct Financing Leases And Leaseback Assets, Interest Income", "label": "Sales-Type, Direct Financing Leases And Leaseback Assets, Interest Income", "totalLabel": "Total" } } }, "localname": "SalesTypeDirectFinancingLeasesAndLeasebackAssetsInterestIncome", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfInterestIncomeDetails" ], "xbrltype": "monetaryItemType" }, "sfl_SalesTypeLeasesAndDirectFinancingLeasesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Sales-Type Leases And Direct Financing Leases [Member]", "label": "Sales-Type Leases And Direct Financing Leases [Member]", "terseLabel": "Sales-Type Leases And Direct Financing Leases" } } }, "localname": "SalesTypeLeasesAndDirectFinancingLeasesMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_SalestypeLeasesDirectFinancingLeasesandLeasebackAssetsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Sales-type Leases, Direct Financing Leases and Leaseback Assets [Member]", "label": "Sales-type Leases, Direct Financing Leases and Leaseback Assets [Member]", "terseLabel": "Sales-type Leases, Direct Financing Leases and Leaseback Assets" } } }, "localname": "SalestypeLeasesDirectFinancingLeasesandLeasebackAssetsMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesBookValueOfAssetsPledgedDetails", "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_ScheduleOfAssetsPledgedTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of assets pledged to secure debt as of the reporting date.", "label": "Schedule Of Assets Pledged [Table Text Block]", "verboseLabel": "Schedule of assets pledged" } } }, "localname": "ScheduleOfAssetsPledgedTableTextBlock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesTables" ], "xbrltype": "textBlockItemType" }, "sfl_ScheduleOfCurrencySwapTransactionsTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of pertinent information about currency swap transactions.", "label": "Schedule Of Currency Swap Transactions [Table Text Block]", "verboseLabel": "Schedule of currency swap transactions" } } }, "localname": "ScheduleOfCurrencySwapTransactionsTableTextBlock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsTables" ], "xbrltype": "textBlockItemType" }, "sfl_ScheduleOfOtherLongTermLiabilitiesTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule of Other Long Term Liabilities [Table Text Block]", "label": "Schedule of Other Long Term Liabilities [Table Text Block]", "terseLabel": "Schedule of Other Long Term Liabilities" } } }, "localname": "ScheduleOfOtherLongTermLiabilitiesTableTextBlock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesTables" ], "xbrltype": "textBlockItemType" }, "sfl_ScheduleOfSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule Of Sales-Type Leases, Direct Financing Leases, And Leaseback Assets [Table Text Block]", "label": "Schedule Of Sales-Type Leases, Direct Financing Leases, And Leaseback Assets [Table Text Block]", "terseLabel": "Schedule of sales-type leases, direct financing leases, and leaseback assets" } } }, "localname": "ScheduleOfSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsTableTextBlock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsTables" ], "xbrltype": "textBlockItemType" }, "sfl_ScheduleofMaturitiesofDebtTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule of Maturities of Debt [Table Text Block]", "label": "Schedule of Maturities of Debt [Table Text Block]", "terseLabel": "Schedule of maturities of debt" } } }, "localname": "ScheduleofMaturitiesofDebtTableTextBlock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtTables" ], "xbrltype": "textBlockItemType" }, "sfl_SeaBearMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Sea Bear [Member]", "label": "Sea Bear [Member]", "terseLabel": "Sea Bear [Member]" } } }, "localname": "SeaBearMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/OtherFinancialItemsNetDetails" ], "xbrltype": "domainItemType" }, "sfl_SeaCheetahandSeaJaguarMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Sea Cheetah and Sea Jaguar [Member]", "label": "Sea Cheetah and Sea Jaguar [Member]", "terseLabel": "Sea Cheetah and Sea Jaguar" } } }, "localname": "SeaCheetahandSeaJaguarMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_SeaLeopardMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Sea Leopard [Member]", "label": "Sea Leopard [Member]", "terseLabel": "Sea Leopard" } } }, "localname": "SeaLeopardMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_SeadrillMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A party related to the reporting entity through a direct or indirect significant interest.", "label": "Seadrill [Member]", "terseLabel": "Seadrill" } } }, "localname": "SeadrillMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfAmountsDueFromAndToRelatedPartiesExcludingDirectFinancingLeasesDetails" ], "xbrltype": "domainItemType" }, "sfl_SeatankersManagementASMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Seatankers Management AS", "label": "Seatankers Management AS [Member]", "terseLabel": "Seatankers Management AS" } } }, "localname": "SeatankersManagementASMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfFeesIncurredWithRelatedPartiesDetails" ], "xbrltype": "domainItemType" }, "sfl_SeatankersMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Seatankers [Member]", "label": "Seatankers [Member]", "terseLabel": "Seatankers" } } }, "localname": "SeatankersMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfFeesIncurredWithRelatedPartiesDetails" ], "xbrltype": "domainItemType" }, "sfl_SeniorUnsecuredConvertibleBondsDue2018Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior Unsecured Convertible Bonds Due 2018 [Member]", "label": "Senior Unsecured Convertible Bonds Due 2018 [Member]", "terseLabel": "Senior Unsecured Convertible Bonds Due 2018" } } }, "localname": "SeniorUnsecuredConvertibleBondsDue2018Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquityParenthetical", "http://shipfinance.bm/role/EarningsPerShareNarrativeDetails", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "sfl_SeniorUnsecuredConvertibleBondsDue2021And2023Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior Unsecured Convertible Bonds Due 2021 And 2023 [Member]", "label": "Senior Unsecured Convertible Bonds Due 2021 And 2023 [Member]", "terseLabel": "Senior Unsecured Convertible Bonds Due 2021 and 2023 [Member]" } } }, "localname": "SeniorUnsecuredConvertibleBondsDue2021And2023Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "xbrltype": "domainItemType" }, "sfl_SeniorUnsecuredConvertibleBondsdue2021Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior Unsecured Convertible Bonds due 2021 [Member]", "label": "Senior Unsecured Convertible Bonds due 2021 [Member]", "terseLabel": "Senior Unsecured Convertible Bonds due 2021", "verboseLabel": "Senior Unsecured Convertible Bonds due 2021" } } }, "localname": "SeniorUnsecuredConvertibleBondsdue2021Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/EarningsPerShareNarrativeDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "sfl_SeniorUnsecuredConvertibleBondsdue2023Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior Unsecured Convertible Bonds due 2023 [Member]", "label": "Senior Unsecured Convertible Bonds due 2023 [Member]", "terseLabel": "Senior Unsecured Convertible Bonds due 2023", "verboseLabel": "Senior Unsecured Convertible Bonds due 2023" } } }, "localname": "SeniorUnsecuredConvertibleBondsdue2023Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquityParenthetical", "http://shipfinance.bm/role/EarningsPerShareNarrativeDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "sfl_SflDeepwaterMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "SFL Deepwater Ltd is a wholly-owned subsidiary of Ship Finance which is accounted for using the equity method as it has been determined that it is a variable interest entity in which Ship Finance is not the primary beneficiary.", "label": "SFL Deepwater [Member]", "terseLabel": "SFL Deepwater" } } }, "localname": "SflDeepwaterMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLoansAssociatedCompainesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfAmountsDueFromAndToRelatedPartiesExcludingDirectFinancingLeasesDetails" ], "xbrltype": "domainItemType" }, "sfl_SflHerculesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "SFL Hercules [Member]", "label": "SFL Hercules [Member]", "terseLabel": "SFL Hercules" } } }, "localname": "SflHerculesMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLoansAssociatedCompainesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfAmountsDueFromAndToRelatedPartiesExcludingDirectFinancingLeasesDetails" ], "xbrltype": "domainItemType" }, "sfl_ShareofJointCostsIncurred": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Share of Joint Costs Incurred", "label": "Share of Joint Costs Incurred", "terseLabel": "Capitalized costs" } } }, "localname": "ShareofJointCostsIncurred", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "sfl_Sharesissuedandloanedtoaffiliate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Shares issued and loaned to affiliate", "label": "Shares issued and loaned to affiliate", "terseLabel": "Shares issued and loaned to affiliate (in shares)" } } }, "localname": "Sharesissuedandloanedtoaffiliate", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "sharesItemType" }, "sfl_Sharesissuedonconversionofconvertibledebt": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Shares issued on conversion of convertible debt", "label": "Shares issued on conversion of convertible debt", "terseLabel": "Shares issued on conversion of convertible debt (in shares)" } } }, "localname": "Sharesissuedonconversionofconvertibledebt", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/EarningsPerShareNarrativeDetails", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusDetails", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "sharesItemType" }, "sfl_ShipFinanceMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Ship Finance [Member]", "label": "Ship Finance [Member]", "terseLabel": "Ship Finance" } } }, "localname": "ShipFinanceMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "sfl_ShipOperatingExpensesPayable": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/AccruedExpensesDetails": { "order": 1.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable for ship operating expenses. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Ship operating expenses payable", "verboseLabel": "Vessel operating expenses" } } }, "localname": "ShipOperatingExpensesPayable", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/AccruedExpensesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_ShipOperatingExpensesToNonrelatedParties": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate direct operating costs, including management fees, of operating the vessels that are paid to non-related parties.", "label": "Ship operating expenses to nonrelated parties", "verboseLabel": "Vessel operating expenses \u2013 other" } } }, "localname": "ShipOperatingExpensesToNonrelatedParties", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "sfl_ShipOperatingExpensesToRelatedParties": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate direct operating costs, including management fees, of operating the vessels that are paid to related parties.", "label": "Ship operating expenses to related parties", "terseLabel": "Vessel operating expenses \u2013 related parties", "verboseLabel": "Management fees paid, vessels" } } }, "localname": "ShipOperatingExpensesToRelatedParties", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfFeesIncurredWithRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_SolstadFarstadMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Solstad Farstad [Member]", "label": "Solstad Farstad [Member]", "terseLabel": "Solstad Farstad" } } }, "localname": "SolstadFarstadMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLeasingAndServiceContractsDetails", "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "sfl_SternaFinanceMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Sterna Finance [Member]", "label": "Sterna Finance [Member]", "terseLabel": "Sterna Finance" } } }, "localname": "SternaFinanceMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "sfl_SwapContractsLongTermPayablesFairValueDisclosure": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails": { "order": 7.0, "parentTag": "us-gaap_LiabilitiesFairValueDisclosure", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Long term payables under interest rate swap contracts as of the balance sheet date.", "label": "Swap contracts, long term payables, fair value disclosure", "terseLabel": "Interest rate/ currency swap contracts \u2013 long-term payables", "verboseLabel": "Interest rate/ currency swap contracts \u2013 long-term payables" } } }, "localname": "SwapContractsLongTermPayablesFairValueDisclosure", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "xbrltype": "monetaryItemType" }, "sfl_SwapContractsShortTermPayablesFairValueDisclosure": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails": { "order": 6.0, "parentTag": "us-gaap_LiabilitiesFairValueDisclosure", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Swap Contracts, Short Term Payables, Fair Value Disclosure", "label": "Swap Contracts, Short Term Payables, Fair Value Disclosure", "terseLabel": "Interest rate/ currency swap contracts \u2013 short-term payables" } } }, "localname": "SwapContractsShortTermPayablesFairValueDisclosure", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "xbrltype": "monetaryItemType" }, "sfl_TermOfLeaseOrCharter": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The term, in years, from inception to expiration of a lease or charter.", "label": "Term Of Lease Or Charter", "terseLabel": "Term of lease or charter" } } }, "localname": "TermOfLeaseOrCharter", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/OtherFinancialItemsNetDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails", "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "durationItemType" }, "sfl_TermOfTimeCharter": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The period, in years, from inception to termination of the time charter with an unrelated party.", "label": "Term Of Time Charter", "terseLabel": "Term of time charter" } } }, "localname": "TermOfTimeCharter", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "durationItemType" }, "sfl_TerminationFeeOnTerminationofCharters": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Termination Fee On Termination of Charters", "label": "Termination Fee On Termination of Charters", "terseLabel": "Termination fee" } } }, "localname": "TerminationFeeOnTerminationofCharters", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "monetaryItemType" }, "sfl_Termofchartersmaximuminyears": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Term of charters, maximum (in years)", "label": "Term of charters, maximum (in years)", "terseLabel": "Term of charters, maximum (in years)" } } }, "localname": "Termofchartersmaximuminyears", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "durationItemType" }, "sfl_Termofchartersminimuminyears": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Term of charters, minimum (in years)", "label": "Term of charters, minimum (in years)", "terseLabel": "Term of charters, minimum (in years)" } } }, "localname": "Termofchartersminimuminyears", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "durationItemType" }, "sfl_Termofloaninyears": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Term of loan in years", "label": "Term of loan in years", "terseLabel": "Term of loan in years" } } }, "localname": "Termofloaninyears", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "durationItemType" }, "sfl_Thegainlossonsettlementofloannotesreceivable": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 9.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 }, "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 3.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": 1.0 }, "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersSummaryDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The gain(loss) on settlement of loan notes receivable", "label": "The gain(loss) on settlement of loan notes receivable", "negatedLabel": "Loss/(gain) on sale of assets and termination of charters", "totalLabel": "Total Gain/(loss) on sale of assets and termination of charters", "verboseLabel": "Gain/(Loss) on sale of assets and termination of charters, net" } } }, "localname": "Thegainlossonsettlementofloannotesreceivable", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows", "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations", "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersSummaryDetails", "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "monetaryItemType" }, "sfl_ThreeMonthNorwegianKronerNiborRate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The three month Norwegian interbank offered rate (NIBOR) which is the reference rate related to existing floating rate debt denominated in Norwegian kroner.", "label": "Three month Norwegian kroner NIBOR rate", "verboseLabel": "Three month Norwegian kroner NIBOR rate (in hundredths)" } } }, "localname": "ThreeMonthNorwegianKronerNiborRate", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "percentItemType" }, "sfl_ThreeMonthUSDollarLiborRate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The three month London interbank offered rate (LIBOR) which is the reference rate related to existing floating rate debt denominated in US dollars.", "label": "Three month U.S. Dollar LIBOR rate", "verboseLabel": "Three month dollar LIBOR rate (in hundredths)" } } }, "localname": "ThreeMonthUSDollarLiborRate", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "percentItemType" }, "sfl_TimeCharterRevenuesFromNonRelatedParties": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 7.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Revenue from non-related parties derived from time charter contracts accounted for as operating leases.", "label": "Time charter revenues from non related parties", "verboseLabel": "Time charter revenues \u2013 other" } } }, "localname": "TimeCharterRevenuesFromNonRelatedParties", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "sfl_TimeCharterRevenuesFromRelatedParties": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 6.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Revenue from related parties derived from time charter contracts accounted for as operating leases.", "label": "Time charter revenues from related parties", "verboseLabel": "Time charter revenues \u2013 related parties" } } }, "localname": "TimeCharterRevenuesFromRelatedParties", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "sfl_TimecharterrateforSuezmaxtankersfromJuly12015onwards": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Time charter rate for Suezmax tankers from July 1 2015 onwards", "label": "Time charter rate for Suezmax tankers from July 1 2015 onwards", "terseLabel": "Time charter rate for Suezmax tankers from July 1 2015 onwards" } } }, "localname": "TimecharterrateforSuezmaxtankersfromJuly12015onwards", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "sfl_TimecharterrateforVLCCsfromJuly12015onwards": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Time charter rate for VLCCs from July 1 2015 onwards", "label": "Time charter rate for VLCCs from July 1 2015 onwards", "terseLabel": "Time charter rate for VLCCs from July 1 2015 onwards" } } }, "localname": "TimecharterrateforVLCCsfromJuly12015onwards", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "sfl_TotalMinimumLeasePaymentsToBeReceived": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails": { "order": 1.0, "parentTag": "sfl_NetMinimumLeasePaymentsReceivable", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of remaining payments as of the balance sheet date that lessees are obligated to make or can be required to make under direct financing and sales-type leases, including any guarantee of residual value and executory costs. The amount also includes any guaranteed rental payments by an unrelated third-party provided that they are financially capable of making such payments.", "label": "Total minimum lease payments to be received", "terseLabel": "Total minimum lease payments to be received" } } }, "localname": "TotalMinimumLeasePaymentsToBeReceived", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_USDollar142.5millionTermLoanFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "US Dollar 142.5 million Term Loan Facility [Member]", "label": "US Dollar 142.5 million Term Loan Facility [Member]", "terseLabel": "US Dollar 142.5 million Term Loan Facility" } } }, "localname": "USDollar142.5millionTermLoanFacilityMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_USDollar24.9millionSeniorSecuredTermLoanFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "US Dollar 24.9 million Senior Secured Term Loan Facility [Member]", "label": "US Dollar 24.9 million Senior Secured Term Loan Facility [Member]", "terseLabel": "US Dollar 24.9 million Senior Secured Term Loan Facility" } } }, "localname": "USDollar24.9millionSeniorSecuredTermLoanFacilityMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_USDollar29.5millionTermLoanFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "US Dollar 29.5 million Term Loan Facility [Member]", "label": "US Dollar 29.5 million Term Loan Facility [Member]", "terseLabel": "US Dollar 29.5 million Term Loan Facility" } } }, "localname": "USDollar29.5millionTermLoanFacilityMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_USDollar33.1millionTermLoanFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "US Dollar 33.1 million Term Loan Facility [Member]", "label": "US Dollar 33.1 million Term Loan Facility [Member]", "terseLabel": "US Dollar 33.1 million Term Loan Facility" } } }, "localname": "USDollar33.1millionTermLoanFacilityMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_USDollar45millionSecuredTermLoanFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "US Dollar 45 million Secured Term Loan Facility [Member]", "label": "US Dollar 45 million Secured Term Loan Facility [Member]", "terseLabel": "US Dollar 45 million secured term loan facility" } } }, "localname": "USDollar45millionSecuredTermLoanFacilityMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_USDollar50millionSeniorSecuredTermLoanFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "US Dollar 50 million Senior Secured Term Loan Facility [Member]", "label": "US Dollar 50 million Senior Secured Term Loan Facility [Member]", "terseLabel": "US Dollar 50 million Senior Secured Term Loan Facility" } } }, "localname": "USDollar50millionSeniorSecuredTermLoanFacilityMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_USDollar76MillionSecuredTermLoanFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "US Dollar 76 Million Secured Term Loan Facility - Trinity and Sabine", "label": "US Dollar 76 Million Secured Term Loan Facility [Member]", "terseLabel": "US Dollar 76 Million Secured Term Loan Facility" } } }, "localname": "USDollar76MillionSecuredTermLoanFacilityMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_USdollar101millionsecuredtermloanfacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "US dollar 101 million secured term loan facility [Member]", "label": "US dollar 101 million secured term loan facility [Member]", "terseLabel": "US dollar 101 million secured term loan facility" } } }, "localname": "USdollar101millionsecuredtermloanfacilityMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_USdollar128millionsecuredtermloanfacilityNovember2014Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "US dollar 128 million secured term loan facility (November 2014) [Member]", "label": "US dollar 128 million secured term loan facility (November 2014) [Member]", "terseLabel": "US dollar 128 million secured term loan facility (November 2014)" } } }, "localname": "USdollar128millionsecuredtermloanfacilityNovember2014Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_USdollar128millionsecuredtermloanfacilitySeptember2014Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "US dollar 128 million secured term loan facility (September 2014) [Member]", "label": "US dollar 128 million secured term loan facility (September 2014) [Member]", "terseLabel": "US dollar 128 million secured term loan facility (September 2014)" } } }, "localname": "USdollar128millionsecuredtermloanfacilitySeptember2014Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_USdollar166millionsecuredtermloanfacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "US dollar 166 million secured term loan facility [Member]", "label": "US dollar 166 million secured term loan facility [Member]", "terseLabel": "US dollar 166 million secured term loan facility" } } }, "localname": "USdollar166millionsecuredtermloanfacilityMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_USdollar17.5millionsecuredtermloanfacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "US dollar 17.5 million secured term loan facility [Member]", "label": "US dollar 17.5 million secured term loan facility [Member]", "terseLabel": "US dollar 17.5 million secured term loan facility" } } }, "localname": "USdollar17.5millionsecuredtermloanfacilityMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_USdollar20millionsecuredtermloanfacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "US dollar 20 million secured term loan facility [Member]", "label": "US dollar 20 million secured term loan facility [Member]", "terseLabel": "US dollar 20 million secured term loan facility" } } }, "localname": "USdollar20millionsecuredtermloanfacilityMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_USdollar210millionsecuredtermloanfacilityMaerskMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "US dollar 210 million secured term loan facility (Maersk) [Member]", "label": "US dollar 210 million secured term loan facility (Maersk) [Member]", "terseLabel": "US dollar 210 million secured term loan facility (Maersk)" } } }, "localname": "USdollar210millionsecuredtermloanfacilityMaerskMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_USdollar39millionsecuredtermloanfacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "US dollar 39 million secured term loan facility [Member]", "label": "US dollar 39 million secured term loan facility [Member]", "terseLabel": "US dollar 39 million secured term loan facility" } } }, "localname": "USdollar39millionsecuredtermloanfacilityMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_USdollar50millionsecuredtermloanfacilityJune2018Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "US dollar 50 million secured term loan facility (June 2018) [Member]", "label": "US dollar 50 million secured term loan facility (June 2018) [Member]", "terseLabel": "US dollar 50 million secured term loan facility (June 2018)" } } }, "localname": "USdollar50millionsecuredtermloanfacilityJune2018Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_USdollar50millionsecuredtermloanfacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "US dollar 50 million secured term loan facility [Member]", "label": "US dollar 50 million secured term loan facility [Member]", "terseLabel": "US dollar 50 million secured term loan facility" } } }, "localname": "USdollar50millionsecuredtermloanfacilityMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_UnamortizedSellersCredits": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfOtherLongTermLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_OtherLiabilitiesNoncurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying amount of unamortized seller's credits as of the balance sheet date.", "label": "Unamortized Sellers Credits", "terseLabel": "Unamortized sellers' credit" } } }, "localname": "UnamortizedSellersCredits", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfOtherLongTermLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_UnearnedIncome": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails": { "order": 3.0, "parentTag": "us-gaap_CapitalLeasesNetInvestmentInDirectFinancingAndSalesTypeLeases", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The remaining (unamortized) difference between the gross investment in a direct financing or sales-type lease and the cost or carrying amount, if different, of the leased property as of the balance sheet date.", "label": "Unearned income", "negatedLabel": "Less: unearned income" } } }, "localname": "UnearnedIncome", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_UnearnedLeaseIncome": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The remaining (unamortized) difference between the gross investment in a direct financing or sales-type lease and the cost or carrying amount, if different, of the leased property as of the balance sheet date.", "label": "Unearned Lease Income", "verboseLabel": "Unearned lease income" } } }, "localname": "UnearnedLeaseIncome", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedVariableInterestEntitiesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_UnrealisedGainorLossonMarketableSecurities": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Unrealised Gain or Loss on Marketable Securities", "label": "Unrealised Gain or Loss on Marketable Securities", "terseLabel": "Unrealised Gain or Loss on Marketable Securities" } } }, "localname": "UnrealisedGainorLossonMarketableSecurities", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "sfl_UpgradeCostPerVessel": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Upgrade Cost Per Vessel", "label": "Upgrade Cost Per Vessel", "terseLabel": "Finance lease per vessel" } } }, "localname": "UpgradeCostPerVessel", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "sfl_UsDollar171MillionSecuredTermLoanFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Secured term loan facility entered into in May 2011. Secured loan pertains to collateralized debt obligations. Term loan pertains to a loan for a specific amount that has a specified repayment schedule and a floating interest rate.", "label": "US dollar 171 million secured term loan facility [Member]", "terseLabel": "US$ 171 million secured term loan facility" } } }, "localname": "UsDollar171MillionSecuredTermLoanFacilityMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_UsDollar350MillionSeniorUnsecuredConvertibleBondsDue2018Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "US dollar 350 Million Senior Unsecured Convertible Bonds Due 2018 [Member]", "label": "US dollar 350 Million Senior Unsecured Convertible Bonds Due 2018 [Member]", "terseLabel": "3.25% Senior Unsecured Convertible Bonds Due 2018" } } }, "localname": "UsDollar350MillionSeniorUnsecuredConvertibleBondsDue2018Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/EarningsPerShareNarrativeDetails", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_UsDollar43MillionSecuredTermLoanFacilityFebruary2010Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Secured term loan facility entered into in February 2010. Secured loan pertains to collateralized debt obligations. Term loan pertains to a loan for a specific amount that has a specified repayment schedule and a floating interest rate.", "label": "US dollar 43 million secured term loan facility (February 2010) [Member]", "terseLabel": "US$ 43 million secured term loan facility (February 2010)" } } }, "localname": "UsDollar43MillionSecuredTermLoanFacilityFebruary2010Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_UsDollar43MillionSecuredTermLoanFacilityMarch2010Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Secured term loan facility entered into in March 2010. Secured loan pertains to collateralized debt obligations. Term loan pertains to a loan for a specific amount that has a specified repayment schedule and a floating interest rate.", "label": "US dollar 43 million secured term loan facility (March 2010) [Member]", "terseLabel": "US$ 43 million secured term loan facility (March 2010)" } } }, "localname": "UsDollar43MillionSecuredTermLoanFacilityMarch2010Member", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_UsDollar75MillionSecuredTermLoanFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Secured term loan facility entered into in March 2011. Secured loan pertains to collateralized debt obligations. Term loan pertains to a loan for a specific amount that has a specified repayment schedule and a floating interest rate.", "label": "US dollar 75 million secured term loan facility [Member]", "terseLabel": "US$ 75 million secured term loan facility" } } }, "localname": "UsDollar75MillionSecuredTermLoanFacilityMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_ValueOfLeasebackAssetsWhichDoNotQualifyForSaleAccounting": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfInvestmentsInSalesTypeAndDirectFinancingLeasesAndLeasebackAssetsDetails": { "order": 2.0, "parentTag": "sfl_InvestmentsInSalesTypeAndDirectFinancingLeasesAndSaleLeasebackAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Value Of Leaseback Assets Which Do Not Qualify For Sale Accounting", "label": "Value Of Leaseback Assets Which Do Not Qualify For Sale Accounting", "terseLabel": "Investments in leaseback assets" } } }, "localname": "ValueOfLeasebackAssetsWhichDoNotQualifyForSaleAccounting", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfInvestmentsInSalesTypeAndDirectFinancingLeasesAndLeasebackAssetsDetails" ], "xbrltype": "monetaryItemType" }, "sfl_Valueofvesselsacquiredpartnoncashacquisition": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The value of vessels acquired where part of the acquistion purchase consideration is non cash", "label": "Value of vessels acquired- part non cash acquisition", "terseLabel": "Value of vessels acquired- part non cash acquisition" } } }, "localname": "Valueofvesselsacquiredpartnoncashacquisition", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "monetaryItemType" }, "sfl_VariableInterestEntitiesAccountedForAsDirectFinancingLeasesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Variable interest entities included in the company's consolidated financial statements as direct financing lease assets where related and third parties have fixed price options to purchase the respective vessels at future dates. Purchase options are not at bargain prices.", "label": "Variable Interest Entities Accounted for as Direct Financing Leases [Member]", "terseLabel": "Variable Interest Entities With Assets Accounted for as Direct Financing Leases" } } }, "localname": "VariableInterestEntitiesAccountedForAsDirectFinancingLeasesMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedVariableInterestEntitiesDetails" ], "xbrltype": "domainItemType" }, "sfl_VariableInterestEntitiesAccountedForAsOperatingLeaseAssetsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Variable interest entities included in the company's consolidated financial statements as operating lease assets where related and third parties have fixed price options to purchase the respective vessels at future dates. Purchase options are not at bargain prices.", "label": "Variable Interest Entities Accounted for as Operating Lease Assets [Member]", "terseLabel": "Variable Interest Entities With Assets Accounted for as Operating Lease Assets" } } }, "localname": "VariableInterestEntitiesAccountedForAsOperatingLeaseAssetsMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedVariableInterestEntitiesDetails" ], "xbrltype": "domainItemType" }, "sfl_VariableInterestEntitiesAccountedforasVesselsunderCapitalLeaseMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Variable Interest Entities Accounted for as Vessels under Capital Lease [Member]", "label": "Variable Interest Entities Accounted for as Vessels under Capital Lease [Member]", "terseLabel": "Variable Interest Entities Accounted for as Vessels under Capital Lease" } } }, "localname": "VariableInterestEntitiesAccountedforasVesselsunderCapitalLeaseMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedVariableInterestEntitiesDetails" ], "xbrltype": "domainItemType" }, "sfl_VariableInterestEntityOutstandingLeaseObligations": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Variable Interest Entity, Outstanding Lease Obligations", "label": "Variable Interest Entity, Outstanding Lease Obligations", "terseLabel": "VIE oustanding lease obligations" } } }, "localname": "VariableInterestEntityOutstandingLeaseObligations", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedVariableInterestEntitiesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_VariableInterestEntityOutstandingLeaseObligationsShortTerm": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Variable Interest Entity, Outstanding Lease Obligations, Short Term", "label": "Variable Interest Entity, Outstanding Lease Obligations, Short Term", "terseLabel": "VIE oustanding lease obligations, short term" } } }, "localname": "VariableInterestEntityOutstandingLeaseObligationsShortTerm", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedVariableInterestEntitiesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_VariableInterestEntityOutstandingLoanBalance": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Outstanding loan balance in variable interest entity as of the balance sheet date.", "label": "Variable Interest Entity, Outstanding Loan Balance", "verboseLabel": "Outstanding loan balance" } } }, "localname": "VariableInterestEntityOutstandingLoanBalance", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedVariableInterestEntitiesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_VariableInterestEntityOutstandingLoanBalanceCurrent": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The current or short-term portion of outstanding loan balance in variable interest entity as of the balance sheet date.", "label": "Variable Interest Entity, Outstanding Loan Balance, Current", "verboseLabel": "Outstanding loan balance, current portion" } } }, "localname": "VariableInterestEntityOutstandingLoanBalanceCurrent", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedVariableInterestEntitiesDetails" ], "xbrltype": "monetaryItemType" }, "sfl_VesselNameAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Vessel, Name [Axis]", "label": "Vessel, Name [Axis]", "terseLabel": "Vessel, Name [Axis]" } } }, "localname": "VesselNameAxis", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/OtherFinancialItemsNetDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsLongTermReceivablesFromRelatedPartiesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyPurchasesAndSalesOfVesselsDetails", "http://shipfinance.bm/role/SubsequentEventsDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails" ], "xbrltype": "stringItemType" }, "sfl_VesselNameDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "[Domain] for Vessel, Name [Axis]", "label": "Vessel, Name [Domain]", "terseLabel": "Vessel, Name [Domain]" } } }, "localname": "VesselNameDomain", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/OtherFinancialItemsNetDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsLongTermReceivablesFromRelatedPartiesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyPurchasesAndSalesOfVesselsDetails", "http://shipfinance.bm/role/SubsequentEventsDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_VesselTypeAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Vessel, Type [Axis]", "label": "Vessel, Type [Axis]", "terseLabel": "Vessel, Type [Axis]" } } }, "localname": "VesselTypeAxis", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/OtherLongTermAssetsOtherLongTermAssetsNarrativeDetails", "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "stringItemType" }, "sfl_VesselTypeDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "[Domain] for Vessel, Type [Axis]", "label": "Vessel, Type [Domain]", "terseLabel": "Vessel, Type [Domain]" } } }, "localname": "VesselTypeDomain", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/OtherLongTermAssetsOtherLongTermAssetsNarrativeDetails", "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "domainItemType" }, "sfl_VesselsAndEquipmentNet": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Vessels and equipment, net.", "label": "Vessels and equipment, net", "terseLabel": "Vessels and equipment, net" } } }, "localname": "VesselsAndEquipmentNet", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "sfl_VesselsAndEquipmentTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the cost, accumulated depreciation and net carrying values of vessels and equipment used in the normal course of business to generate operating revenue, excluding capital lease assets.", "label": "Vessels and Equipment [Table Text Block]", "verboseLabel": "Vessels and equipment" } } }, "localname": "VesselsAndEquipmentTableTextBlock", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/VesselsAndEquipmentNetTables" ], "xbrltype": "textBlockItemType" }, "sfl_VesselsLeasedtoFrontlineCharterersMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Vessels Leased to Frontline Charterers [Member]", "label": "Vessels Leased to Frontline Charterers [Member]", "terseLabel": "Vessels Leased to Frontline Charterers" } } }, "localname": "VesselsLeasedtoFrontlineCharterersMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_VesselsUnderFinanceLeaseMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Vessels Under Finance Lease [Member]", "label": "Vessels Under Finance Lease [Member]", "terseLabel": "Vessels Under Finance Lease" } } }, "localname": "VesselsUnderFinanceLeaseMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "domainItemType" }, "sfl_VesselsWithFinanceLeaseLiabilitiesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Vessels With Finance Lease Liabilities [Member]", "label": "Vessels With Finance Lease Liabilities [Member]", "terseLabel": "Vessels With Finance Lease Liabilities" } } }, "localname": "VesselsWithFinanceLeaseLiabilitiesMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_VesselsandEquipmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Vessels and Equipment [Member]", "label": "Vessels and Equipment [Member]", "terseLabel": "Vessels and Equipment" } } }, "localname": "VesselsandEquipmentMember", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesBookValueOfAssetsPledgedDetails", "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails" ], "xbrltype": "domainItemType" }, "sfl_Voyagecharterrevenuesfromnonrelatedparties": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 10.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Revenue derived from voyage charter contracts, including net pool revenues, from non-related parties.", "label": "Voyage charter revenues from non-related parties", "terseLabel": "Voyage charter revenues \u2013 other" } } }, "localname": "Voyagecharterrevenuesfromnonrelatedparties", "nsuri": "http://shipfinance.bm/20191231", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "srt_CounterpartyNameAxis": { "auth_ref": [ "r74", "r143" ], "lang": { "en-US": { "role": { "label": "Counterparty Name [Axis]", "terseLabel": "Counterparty Name [Axis]" } } }, "localname": "CounterpartyNameAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails", "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnTerminationOfChartersDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/OtherLongTermAssetsOtherLongTermAssetsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails", "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "srt_EquityMethodInvesteeNameDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Investment, Name [Domain]", "terseLabel": "Investment, Name [Domain]" } } }, "localname": "EquityMethodInvesteeNameDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails", "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLeasingAndServiceContractsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLoansAssociatedCompainesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfAmountsDueFromAndToRelatedPartiesExcludingDirectFinancingLeasesDetails" ], "xbrltype": "domainItemType" }, "srt_MaximumMember": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Maximum [Member]", "terseLabel": "Maximum" } } }, "localname": "MaximumMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails", "http://shipfinance.bm/role/RecentlyIssuedAccountingStandardsDetails", "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "domainItemType" }, "srt_MinimumMember": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Minimum [Member]", "terseLabel": "Minimum" } } }, "localname": "MinimumMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails", "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "domainItemType" }, "srt_OfficerMember": { "auth_ref": [ "r191" ], "lang": { "en-US": { "role": { "label": "Officer [Member]", "terseLabel": "Officer" } } }, "localname": "OfficerMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "domainItemType" }, "srt_RangeAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statistical Measurement [Axis]", "terseLabel": "Statistical Measurement [Axis]" } } }, "localname": "RangeAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails", "http://shipfinance.bm/role/RecentlyIssuedAccountingStandardsDetails", "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "stringItemType" }, "srt_RangeMember": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statistical Measurement [Domain]", "terseLabel": "Statistical Measurement [Domain]" } } }, "localname": "RangeMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails", "http://shipfinance.bm/role/RecentlyIssuedAccountingStandardsDetails", "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "domainItemType" }, "srt_RepurchaseAgreementCounterpartyNameDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Counterparty Name [Domain]", "terseLabel": "Counterparty Name [Domain]" } } }, "localname": "RepurchaseAgreementCounterpartyNameDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails", "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnTerminationOfChartersDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/OtherLongTermAssetsOtherLongTermAssetsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails", "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "srt_ScenarioForecastMember": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Forecast [Member]", "terseLabel": "Forecast" } } }, "localname": "ScenarioForecastMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RecentlyIssuedAccountingStandardsDetails" ], "xbrltype": "domainItemType" }, "srt_ScenarioUnspecifiedDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Scenario [Domain]", "terseLabel": "Scenario [Domain]" } } }, "localname": "ScenarioUnspecifiedDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RecentlyIssuedAccountingStandardsDetails" ], "xbrltype": "domainItemType" }, "srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis": { "auth_ref": [ "r212" ], "lang": { "en-US": { "role": { "label": "Investment, Name [Axis]", "terseLabel": "Investment, Name [Axis]" } } }, "localname": "ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails", "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLeasingAndServiceContractsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLoansAssociatedCompainesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfAmountsDueFromAndToRelatedPartiesExcludingDirectFinancingLeasesDetails" ], "xbrltype": "stringItemType" }, "srt_StatementScenarioAxis": { "auth_ref": [ "r254", "r446" ], "lang": { "en-US": { "role": { "label": "Scenario [Axis]", "terseLabel": "Scenario [Axis]" } } }, "localname": "StatementScenarioAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RecentlyIssuedAccountingStandardsDetails" ], "xbrltype": "stringItemType" }, "srt_TitleOfIndividualAxis": { "auth_ref": [ "r191", "r439" ], "lang": { "en-US": { "role": { "label": "Title of Individual [Axis]", "terseLabel": "Title of Individual [Axis]" } } }, "localname": "TitleOfIndividualAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "stringItemType" }, "srt_TitleOfIndividualWithRelationshipToEntityDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Title of Individual [Domain]", "terseLabel": "Title of Individual [Domain]" } } }, "localname": "TitleOfIndividualWithRelationshipToEntityDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountingChangesTextBlock": { "auth_ref": [ "r155" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for reporting accounting changes, excludes error corrections information.", "label": "Accounting Changes [Text Block]", "verboseLabel": "RECENTLY ISSUED ACCOUNTING STANDARDS" } } }, "localname": "AccountingChangesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RecentlyIssuedAccountingStandards" ], "xbrltype": "textBlockItemType" }, "us-gaap_AccountingPoliciesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Accounting Policies [Abstract]" } } }, "localname": "AccountingPoliciesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_AccountingStandardsUpdate201601Member": { "auth_ref": [ "r394" ], "lang": { "en-US": { "role": { "documentation": "Accounting Standards Update 2016-01 Financial Instruments-Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities.", "label": "Accounting Standards Update 2016-01 [Member]", "terseLabel": "Accounting Standards Update 2016-01 [Member]" } } }, "localname": "AccountingStandardsUpdate201601Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_AccountingStandardsUpdate201613Member": { "auth_ref": [ "r218" ], "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 Update 2016-13 [Member]", "terseLabel": "Accounting Standards Update 2016-13" } } }, "localname": "AccountingStandardsUpdate201613Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RecentlyIssuedAccountingStandardsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountingStandardsUpdate201712Member": { "auth_ref": [ "r368" ], "lang": { "en-US": { "role": { "documentation": "Accounting Standards Update 2017-12 Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities.", "label": "Accounting Standards Update 2017-12 [Member]", "terseLabel": "Accounting Standards Update 2017-12 [Member]" } } }, "localname": "AccountingStandardsUpdate201712Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesDetails", "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/OtherFinancialItemsNetDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for accounts payable, accrued expenses, and other liabilities that are classified as current at the end of the reporting period.", "label": "Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]", "terseLabel": "OTHER CURRENT LIABILITIES" } } }, "localname": "AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherCurrentLiabilitiesOtherCurrentLiabilities" ], "xbrltype": "textBlockItemType" }, "us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock": { "auth_ref": [ "r52" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period.", "label": "Accounts Payable and Accrued Liabilities Disclosure [Text Block]", "verboseLabel": "ACCRUED EXPENSES" } } }, "localname": "AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccruedExpenses" ], "xbrltype": "textBlockItemType" }, "us-gaap_AccountsPayableTradeCurrent": { "auth_ref": [ "r23", "r51" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Accounts Payable, Trade, Current", "verboseLabel": "Trade accounts payable" } } }, "localname": "AccountsPayableTradeCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccountsReceivableNetCurrent": { "auth_ref": [ "r17", "r37", "r192", "r193", "r292" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.", "label": "Accounts Receivable, after Allowance for Credit Loss, Current", "terseLabel": "Trade accounts receivable" } } }, "localname": "AccountsReceivableNetCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccountsReceivableNoncurrentNonaccrual": { "auth_ref": [ "r225" ], "calculation": { "http://shipfinance.bm/role/OtherLongTermAssetsScheduleOfLongTermAssetsDetails": { "order": 4.0, "parentTag": "us-gaap_OtherAssetsNoncurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of accounts receivable, classified as noncurrent, on nonaccrual status.", "label": "Accounts Receivable, Noncurrent, Nonaccrual", "terseLabel": "Long term receivables" } } }, "localname": "AccountsReceivableNoncurrentNonaccrual", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherLongTermAssetsOtherLongTermAssetsNarrativeDetails", "http://shipfinance.bm/role/OtherLongTermAssetsScheduleOfLongTermAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccruedLiabilitiesCurrent": { "auth_ref": [ "r56" ], "calculation": { "http://shipfinance.bm/role/AccruedExpensesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Accrued Liabilities, Current", "totalLabel": "Accrued expenses", "verboseLabel": "Accrued expenses" } } }, "localname": "AccruedLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccruedExpensesDetails", "http://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccruedLiabilitiesCurrentAndNoncurrentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Accrued Liabilities [Abstract]" } } }, "localname": "AccruedLiabilitiesCurrentAndNoncurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_AccruedPayrollTaxesCurrent": { "auth_ref": [ "r23", "r56" ], "calculation": { "http://shipfinance.bm/role/OtherCurrentLiabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_OtherLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable for statutory payroll taxes incurred through that date and withheld from employees pertaining to services received from them, including entity's matching share of the employees FICA taxes and contributions to the state and federal unemployment insurance programs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Accrued Payroll Taxes, Current", "terseLabel": "Employee taxes" } } }, "localname": "AccruedPayrollTaxesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherCurrentLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment": { "auth_ref": [ "r49", "r243" ], "calculation": { "http://shipfinance.bm/role/OperatingLeasesDetails": { "order": 2.0, "parentTag": "us-gaap_PropertyPlantAndEquipmentNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.", "label": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment", "negatedTerseLabel": "Accumulated depreciation", "terseLabel": "Accumulated depreciation" } } }, "localname": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OperatingLeasesDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetScheduleOfVesselsAndEquipmentDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax": { "auth_ref": [ "r80" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity": { "order": 3.0, "parentTag": "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after tax, of 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).", "label": "AOCI, Debt Securities, Available-for-sale, Adjustment, after Tax", "verboseLabel": "Fair value adjustments to available-for-sale securities" } } }, "localname": "AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "xbrltype": "monetaryItemType" }, "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 (Loss) [Line Items]" } } }, "localname": "AccumulatedOtherComprehensiveIncomeLossLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherFinancialItemsNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax": { "auth_ref": [ "r79", "r80", "r81" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 }, "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity": { "order": null, "parentTag": null, "root": true, "weight": null } }, "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", "terseLabel": "Accumulated other comprehensive loss", "totalLabel": "Accumulated other comprehensive loss" } } }, "localname": "AccumulatedOtherComprehensiveIncomeLossNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]", "terseLabel": "Accumulated other comprehensive loss" } } }, "localname": "AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "xbrltype": "stringItemType" }, "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]", "terseLabel": "Accumulated Other Comprehensive Income (Loss) [Table]" } } }, "localname": "AccumulatedOtherComprehensiveIncomeLossTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherFinancialItemsNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AccumulatedOtherComprehensiveIncomeMember": { "auth_ref": [ "r78", "r81", "r84", "r333" ], "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": "AOCI Attributable to Parent [Member]", "terseLabel": "Accumulated other comprehensive loss" } } }, "localname": "AccumulatedOtherComprehensiveIncomeMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_AdditionalPaidInCapitalCommonStock": { "auth_ref": [ "r38" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 2.0, "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://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "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://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AdjustmentForAmortization": { "auth_ref": [ "r127", "r236" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.", "label": "Amortization", "terseLabel": "Amortization of time charters" } } }, "localname": "AdjustmentForAmortization", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherLongTermAssetsOtherLongTermAssetsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdjustmentsForNewAccountingPronouncementsAxis": { "auth_ref": [ "r152" ], "lang": { "en-US": { "role": { "documentation": "Information by new accounting pronouncement.", "label": "Adjustments for New Accounting Pronouncements [Axis]", "terseLabel": "Adjustments for New Accounting Pronouncements [Axis]" } } }, "localname": "AdjustmentsForNewAccountingPronouncementsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesDetails", "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/OtherFinancialItemsNetDetails", "http://shipfinance.bm/role/RecentlyIssuedAccountingStandardsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt": { "auth_ref": [ "r269" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Adjustment to additional paid in capital resulting from the recognition of convertible debt instruments as two separate components - a debt component and an equity component. This bifurcation may result in a basis difference associated with the liability component that represents a temporary difference for purposes of applying accounting for income taxes. The initial recognition of deferred taxes for the tax effect of that temporary difference is as an adjustment to additional paid in capital.", "label": "Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt", "terseLabel": "Recognition of equity component arising from issuance of 4.875% convertible bonds due 2023" } } }, "localname": "AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtSubsequentAdjustments": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of subsequent adjustments to additional paid in capital for convertible financial instruments where a component of equity and a component of debt are recognized.", "label": "Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt, Subsequent Adjustments", "negatedTerseLabel": "Adjustment to equity component of convertible bonds arising from reacquisition of bonds" } } }, "localname": "AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtSubsequentAdjustments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue": { "auth_ref": [ "r298", "r300", "r324", "r325" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.", "label": "APIC, Share-based Payment Arrangement, Increase for Cost Recognition", "terseLabel": "Amortization of stock-based compensation" } } }, "localname": "AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]", "terseLabel": "Adjustments to reconcile net income to net cash provided by operating activities:" } } }, "localname": "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_AllowanceForDoubtfulAccountsReceivable": { "auth_ref": [ "r198", "r219", "r221", "r222" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of allowance for credit loss on accounts receivable.", "label": "Accounts Receivable, Allowance for Credit Loss", "verboseLabel": "Allowance for doubtful accounts, trade receivables" } } }, "localname": "AllowanceForDoubtfulAccountsReceivable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/TradeAccountsReceivableAndOtherReceivablesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of valuation allowance for receivables classified as other, due within one year or the normal operating cycle, if longer.", "label": "Allowance for Doubtful Other Receivables, Current", "terseLabel": "Allowance for doubtful other receivables" } } }, "localname": "AllowanceForDoubtfulOtherReceivablesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/TradeAccountsReceivableAndOtherReceivablesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AmortizationOfDeferredCharges": { "auth_ref": [ "r102" ], "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 charges" } } }, "localname": "AmortizationOfDeferredCharges", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AmortizationOfFinancingCosts": { "auth_ref": [ "r97", "r127", "r404" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense attributable to debt issuance costs.", "label": "Amortization of Debt Issuance Costs", "terseLabel": "Amortization of deferred charges" } } }, "localname": "AmortizationOfFinancingCosts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems": { "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": "Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]", "terseLabel": "Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]" } } }, "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AociLossCashFlowHedgeCumulativeGainLossAfterTax": { "auth_ref": [ "r79" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity": { "order": 1.0, "parentTag": "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after tax, of accumulated gain (loss) on derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.", "label": "AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax", "verboseLabel": "Fair value adjustments to hedging financial instruments" } } }, "localname": "AociLossCashFlowHedgeCumulativeGainLossAfterTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetImpairmentCharges": { "auth_ref": [ "r127", "r239" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 6.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 4.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.", "label": "Asset Impairment Charges", "negatedLabel": "Vessel impairment charge", "terseLabel": "Vessel impairment charge", "verboseLabel": "Vessel impairment charge" } } }, "localname": "AssetImpairmentCharges", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows", "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_Assets": { "auth_ref": [ "r187", "r468", "r486" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "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", "totalLabel": "Total assets" } } }, "localname": "Assets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Assets [Abstract]", "terseLabel": "Assets:", "verboseLabel": "ASSETS" } } }, "localname": "AssetsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AssetsCurrent": { "auth_ref": [ "r19", "r20", "r72" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.", "label": "Assets, Current", "totalLabel": "Total current assets" } } }, "localname": "AssetsCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsCurrentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Assets, Current [Abstract]", "verboseLabel": "Current assets" } } }, "localname": "AssetsCurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_AssetsFairValueDisclosure": { "auth_ref": [ "r372" ], "calculation": { "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails": { "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://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsLeasedToOthersMember": { "auth_ref": [ "r428" ], "lang": { "en-US": { "role": { "documentation": "Long lived, depreciable property, plant or equipment held for lease to others under contractual agreements meeting the criteria for operating lease classification.", "label": "Assets Leased to Others [Member]", "terseLabel": "Assets Leased to Others" } } }, "localname": "AssetsLeasedToOthersMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OperatingLeasesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis": { "auth_ref": [ "r206", "r228" ], "calculation": { "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfCorporateBondsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "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": "Debt Securities, Available-for-sale, Amortized Cost", "totalLabel": "Amortised Cost" } } }, "localname": "AvailableForSaleDebtSecuritiesAmortizedCostBasis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfCorporateBondsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AvailableForSaleSecurities": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.", "label": "Available-for-sale Securities", "terseLabel": "Available-for-sale debt securities" } } }, "localname": "AvailableForSaleSecurities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AvailableForSaleSecuritiesDebtSecurities": { "auth_ref": [ "r203", "r207", "r228" ], "calculation": { "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails": { "order": 1.0, "parentTag": "us-gaap_AssetsFairValueDisclosure", "weight": 1.0 }, "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfCorporateBondsDetails": { "order": 2.0, "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis", "weight": 1.0 }, "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfMarketableSecuritiesDetails": { "order": 1.0, "parentTag": "us-gaap_Investments", "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": "Debt Securities, Available-for-sale", "periodEndLabel": "Balance at end of the year", "periodStartLabel": "Balance at start of the year", "terseLabel": "Fair value", "verboseLabel": "Available-for-sale debt securities" } } }, "localname": "AvailableForSaleSecuritiesDebtSecurities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfCorporateBondsDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfMarketableSecuritiesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AwardTypeAxis": { "auth_ref": [ "r301", "r321" ], "lang": { "en-US": { "role": { "documentation": "Information by type of award under share-based payment arrangement.", "label": "Award Type [Axis]", "terseLabel": "Award Type [Axis]" } } }, "localname": "AwardTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShareOptionPlanDetails", "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BasisOfAccountingPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).", "label": "Basis of Accounting, Policy [Policy Text Block]", "terseLabel": "Basis of Accounting" } } }, "localname": "BasisOfAccountingPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued": { "auth_ref": [ "r329" ], "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": "Number of shares received (in shares)" } } }, "localname": "BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_CapitalLeaseObligations": { "auth_ref": [ "r32", "r413", "r487" ], "calculation": { "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFinanceLeasesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.", "label": "Capital Lease Obligations", "totalLabel": "Total of capital lease obligations" } } }, "localname": "CapitalLeaseObligations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFinanceLeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeaseObligationsCurrent": { "auth_ref": [ "r30", "r412", "r413" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 7.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 }, "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFinanceLeasesDetails": { "order": 1.0, "parentTag": "us-gaap_CapitalLeaseObligations", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of capital lease obligation due within one year or the normal operating cycle, if longer.", "label": "Capital Lease Obligations, Current", "terseLabel": "Finance lease liability, current portion" } } }, "localname": "CapitalLeaseObligationsCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFinanceLeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeaseObligationsNoncurrent": { "auth_ref": [ "r60", "r412", "r413" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 }, "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFinanceLeasesDetails": { "order": 2.0, "parentTag": "us-gaap_CapitalLeaseObligations", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.", "label": "Capital Lease Obligations, Noncurrent", "terseLabel": "Finance lease liability, long term" } } }, "localname": "CapitalLeaseObligationsNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFinanceLeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasedAssetsNumberOfUnits": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of units (items of property) under capital lease arrangements.", "label": "Capital Leased Assets, Number of Units", "terseLabel": "Number of units" } } }, "localname": "CapitalLeasedAssetsNumberOfUnits", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails" ], "xbrltype": "decimalItemType" }, "us-gaap_CapitalLeasesLessorBalanceSheetNetInvestmentInDirectFinancingAndSalesTypeLeasesCurrent": { "auth_ref": [ "r414" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 11.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 }, "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetailsCalc2": { "order": 1.0, "parentTag": "us-gaap_CapitalLeasesNetInvestmentInDirectFinancingAndSalesTypeLeases", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The net amount due within one year of the balance sheet date or the normal operating cycle, if longer, consisting of: (a) minimum lease payments due on direct financing and sales-type leases, (b) unguaranteed residual value, and (c) any unamortized initial direct costs on direct financing leases; less: (i) executory costs, (ii) unearned income, and (iii) the accumulated allowance for uncollectible minimum lease payments.", "label": "Capital Leases, Lessor Balance Sheet, Net Investment in Direct Financing and Sales Type Leases, Current", "terseLabel": "Investment in sales-type leases, direct financing leases and leaseback assets \u2013 current portion", "verboseLabel": "Current portion" } } }, "localname": "CapitalLeasesLessorBalanceSheetNetInvestmentInDirectFinancingAndSalesTypeLeasesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesLessorBalanceSheetNetInvestmentInDirectFinancingAndSalesTypeLeasesNoncurrent": { "auth_ref": [ "r414" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 9.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetailsCalc2": { "order": 2.0, "parentTag": "us-gaap_CapitalLeasesNetInvestmentInDirectFinancingAndSalesTypeLeases", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The net amount due after one year of the balance sheet date or beyond the normal operating cycle, if longer, consisting of: (a) minimum lease payments due on direct financing and sales-type leases, (b) unguaranteed residual value, and (c) any unamortized initial direct costs on direct financing leases; less: (i) executory costs, (ii) unearned income, and (iii) the accumulated allowance for uncollectible minimum lease payments.", "label": "Capital Leases, Lessor Balance Sheet, Net Investment in Direct Financing and Sales Type Leases, Noncurrent", "terseLabel": "Long-term portion", "verboseLabel": "Investment in sales-type leases, direct financing leases and leaseback assets \u2013 long term" } } }, "localname": "CapitalLeasesLessorBalanceSheetNetInvestmentInDirectFinancingAndSalesTypeLeasesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesLessorBalanceSheetNetInvestmentInDirectFinancingLeasesCurrent": { "auth_ref": [ "r414" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The net amount due within one year of the balance sheet date or the normal operating cycle, if longer, consisting of: (a) minimum lease payments due on direct financing leases, (b) unguaranteed residual value, and (c) any unamortized initial direct costs, less: (i) executory costs, (ii) unearned income, and (iii) the accumulated allowance for uncollectible minimum lease payments.", "label": "Capital Leases, Lessor Balance Sheet, Net Investment in Direct Financing Leases, Current", "verboseLabel": "Combined balance of net investments in direct financing leases, short-term maturities" } } }, "localname": "CapitalLeasesLessorBalanceSheetNetInvestmentInDirectFinancingLeasesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLeasingAndServiceContractsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesNetInvestmentInDirectFinancingAndSalesTypeLeases": { "auth_ref": [ "r414" ], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetailsCalc2": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The lessor's asset under sales type and direct financing leases. The net investment in direct financing and sales-type leases as of the balance sheet date consisting of: (a) minimum lease payments due on direct financing leases, (b) unguaranteed residual value, and (c) any unamortized initial direct costs on direct financing leases; less: (i) estimated executory costs, (ii) unearned income, and (iii) the accumulated allowance for uncollectible minimum lease payments.", "label": "Capital Leases, Net Investment in Direct Financing and Sales Type Leases", "terseLabel": "Investments in sales-type and direct financing leases", "totalLabel": "Total investment in sales-type lease, direct financing lease and leaseback assets" } } }, "localname": "CapitalLeasesNetInvestmentInDirectFinancingAndSalesTypeLeases", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfInvestmentsInSalesTypeAndDirectFinancingLeasesAndLeasebackAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesNetInvestmentInDirectFinancingLeases": { "auth_ref": [ "r414" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The net investment in direct financing leases as of the balance sheet date consisting of: (a) minimum lease payments due on direct financing leases, (b) unguaranteed residual value, and (c) any unamortized initial direct costs; less: (i) executory costs, (ii) unearned income, and (iii) the accumulated allowance for uncollectible minimum lease payments.", "label": "Capital Leases, Net Investment in Direct Financing Leases", "terseLabel": "Combined balance of net investments in direct financing leases" } } }, "localname": "CapitalLeasesNetInvestmentInDirectFinancingLeases", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLeasingAndServiceContractsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CarryingReportedAmountFairValueDisclosureMember": { "auth_ref": [ "r387", "r388" ], "lang": { "en-US": { "role": { "documentation": "Measured as reported on the statement of financial position (balance sheet).", "label": "Reported Value Measurement [Member]", "terseLabel": "Reported Value Measurement", "verboseLabel": "Carrying Value" } } }, "localname": "CarryingReportedAmountFairValueDisclosureMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CashAndCashEquivalentsAtCarryingValue": { "auth_ref": [ "r15", "r44", "r129" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_AssetsCurrent", "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", "verboseLabel": "Cash and cash equivalents" } } }, "localname": "CashAndCashEquivalentsAtCarryingValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashAndCashEquivalentsPolicyTextBlock": { "auth_ref": [ "r26", "r130", "r136" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for cash and cash equivalents, including the policy for determining which items are treated as cash equivalents. Other information that may be disclosed includes (1) the nature of any restrictions on the entity's use of its cash and cash equivalents, (2) whether the entity's cash and cash equivalents are insured or expose the entity to credit risk, (3) the classification of any negative balance accounts (overdrafts), and (4) the carrying basis of cash equivalents (for example, at cost) and whether the carrying amount of cash equivalents approximates fair value.", "label": "Cash and Cash Equivalents, Policy [Policy Text Block]", "verboseLabel": "Cash and cash equivalents" } } }, "localname": "CashAndCashEquivalentsPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy": { "auth_ref": [ "r26", "r130", "r136", "r467" ], "lang": { "en-US": { "role": { "documentation": "Entity's cash and cash equivalents accounting policy with respect to restricted balances. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits.", "label": "Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]", "terseLabel": "Restricted cash" } } }, "localname": "CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": { "auth_ref": [ "r123", "r129", "r135" ], "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, Restricted Cash and Restricted Cash Equivalents", "periodEndLabel": "Cash, restricted cash and cash equivalents at end of the year", "periodStartLabel": "Cash, restricted cash and cash equivalents at start of the year" } } }, "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect": { "auth_ref": [ "r123", "r398" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including 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, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect", "totalLabel": "Net (decrease)/increase in cash and cash equivalents" } } }, "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ClassificationOfVariableInterestEntityDomain": { "auth_ref": [ "r336", "r338", "r341", "r342" ], "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": "Variable Interest Entity, Classification [Domain]", "terseLabel": "Variable Interest Entity, Classification [Domain]" } } }, "localname": "ClassificationOfVariableInterestEntityDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedVariableInterestEntitiesDetails", "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CommitmentsAndContingencies": { "auth_ref": [ "r63", "r253", "r473", "r492" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "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 contingent liabilities" } } }, "localname": "CommitmentsAndContingencies", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Commitments and Contingencies Disclosure [Abstract]" } } }, "localname": "CommitmentsAndContingenciesDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": { "auth_ref": [ "r252", "r260" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for commitments and contingencies.", "label": "Commitments and Contingencies Disclosure [Text Block]", "verboseLabel": "COMMITMENTS AND CONTINGENT LIABILITIES" } } }, "localname": "CommitmentsAndContingenciesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilities" ], "xbrltype": "textBlockItemType" }, "us-gaap_CommonStockDividendsPerShareDeclared": { "auth_ref": [ "r288" ], "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": "Dividend declared" } } }, "localname": "CommonStockDividendsPerShareDeclared", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/SubsequentEventsDetails" ], "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": "Share capital" } } }, "localname": "CommonStockMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_CommonStockParOrStatedValuePerShare": { "auth_ref": [ "r35" ], "lang": { "en-US": { "role": { "documentation": "Face amount or stated value per share of common stock.", "label": "Common Stock, Par or Stated Value Per Share", "verboseLabel": "Share capital, par value (in dollars per share)" } } }, "localname": "CommonStockParOrStatedValuePerShare", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheetsParenthetical", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusDetails", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_CommonStockSharesAuthorized": { "auth_ref": [ "r35" ], "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 shares, authorized (in shares)", "verboseLabel": "Share Capital, shares authorized (in shares)" } } }, "localname": "CommonStockSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheetsParenthetical", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusDetails", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockSharesIssued": { "auth_ref": [ "r35" ], "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", "terseLabel": "Share Capital, shares issued (in shares)" } } }, "localname": "CommonStockSharesIssued", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockSharesOutstanding": { "auth_ref": [ "r35", "r281" ], "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", "periodEndLabel": "Balance, at end of year (in shares)", "periodStartLabel": "Balance, at beginning of year (in shares)", "terseLabel": "Share Capital, shares outstanding (in shares)", "verboseLabel": "Common shares, issued (in shares)" } } }, "localname": "CommonStockSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheetsParenthetical", "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockValue": { "auth_ref": [ "r35" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "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 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 shares, issued", "verboseLabel": "Share capital ($0.01 par value; 200,000,000 shares authorized; 119,391,310 shares issued and outstanding at December 31, 2019). ($0.01 par value; 200,000,000 shares authorized; 119,373,064 shares issued and outstanding at December 31, 2018)." } } }, "localname": "CommonStockValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ComprehensiveIncomeMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The change in equity (net assets) of a business enterprise during a period from transactions and other events and circumstances from non-owner sources. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners.", "label": "Comprehensive Income [Member]", "terseLabel": "Comprehensive Income" } } }, "localname": "ComprehensiveIncomeMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ComprehensiveIncomeNetOfTax": { "auth_ref": [ "r87", "r89", "r90" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfComprehensiveIncome": { "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" } } }, "localname": "ComprehensiveIncomeNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_ConcentrationRiskBenchmarkDomain": { "auth_ref": [ "r177", "r178", "r389", "r390" ], "lang": { "en-US": { "role": { "documentation": "The denominator in a calculation of a disclosed concentration risk percentage.", "label": "Concentration Risk Benchmark [Domain]", "terseLabel": "Concentration Risk Benchmark [Domain]" } } }, "localname": "ConcentrationRiskBenchmarkDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ConcentrationRiskByBenchmarkAxis": { "auth_ref": [ "r177", "r178", "r389", "r390", "r500" ], "lang": { "en-US": { "role": { "documentation": "Information by benchmark of concentration risk.", "label": "Concentration Risk Benchmark [Axis]", "terseLabel": "Concentration Risk Benchmark [Axis]" } } }, "localname": "ConcentrationRiskByBenchmarkAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ConcentrationRiskByTypeAxis": { "auth_ref": [ "r177", "r178", "r389", "r390", "r500" ], "lang": { "en-US": { "role": { "documentation": "Information by type of concentration risk, for example, but not limited to, asset, liability, net assets, geographic, customer, employees, supplier, lender.", "label": "Concentration Risk Type [Axis]", "terseLabel": "Concentration Risk Type [Axis]" } } }, "localname": "ConcentrationRiskByTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ConcentrationRiskLineItems": { "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": "Concentration Risk [Line Items]", "terseLabel": "Concentration Risk [Line Items]" } } }, "localname": "ConcentrationRiskLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ConcentrationRiskPercentage1": { "auth_ref": [ "r177", "r178", "r389", "r390" ], "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, Percentage" } } }, "localname": "ConcentrationRiskPercentage1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ConcentrationRiskTable": { "auth_ref": [ "r176", "r177", "r178", "r179", "r389", "r391" ], "lang": { "en-US": { "role": { "documentation": "Describes the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark.", "label": "Concentration Risk [Table]", "terseLabel": "Concentration Risk [Table]" } } }, "localname": "ConcentrationRiskTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ConcentrationRiskTypeDomain": { "auth_ref": [ "r177", "r178", "r389", "r390" ], "lang": { "en-US": { "role": { "documentation": "For an entity that discloses a concentration risk as a percentage of some financial balance or benchmark, identifies the type (for example, asset, liability, net assets, geographic, customer, employees, supplier, lender) of the concentration.", "label": "Concentration Risk Type [Domain]", "terseLabel": "Concentration Risk Type [Domain]" } } }, "localname": "ConcentrationRiskTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ConsolidationVariableInterestEntityPolicy": { "auth_ref": [ "r136", "r334", "r337", "r339" ], "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": "Consolidation of variable interest entities" } } }, "localname": "ConsolidationVariableInterestEntityPolicy", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ConstructionInProgressMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.", "label": "Construction in Progress [Member]", "terseLabel": "Construction in Progress" } } }, "localname": "ConstructionInProgressMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherLongTermAssetsOtherLongTermAssetsNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ContractWithCustomerAssetNet": { "auth_ref": [ "r290", "r291", "r292" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.", "label": "Contract with Customer, Asset, after Allowance for Credit Loss", "terseLabel": "Consideration assigned to the long term time charter contracts acquired", "verboseLabel": "Time charters" } } }, "localname": "ContractWithCustomerAssetNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherLongTermAssetsOtherLongTermAssetsNarrativeDetails", "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ConversionOfStockSharesIssued1": { "auth_ref": [ "r132", "r133", "r134" ], "lang": { "en-US": { "role": { "documentation": "The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. \"Part noncash\" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.", "label": "Conversion of Stock, Shares Issued", "terseLabel": "Shares issued (in shares)" } } }, "localname": "ConversionOfStockSharesIssued1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ConvertibleDebtFairValueDisclosures": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails": { "order": 5.0, "parentTag": "us-gaap_LiabilitiesFairValueDisclosure", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.", "label": "Convertible Debt, Fair Value Disclosures", "verboseLabel": "Unsecured convertible bonds" } } }, "localname": "ConvertibleDebtFairValueDisclosures", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CrossCurrencyInterestRateContractMember": { "auth_ref": [ "r294", "r362" ], "lang": { "en-US": { "role": { "documentation": "Derivative instrument whose primary underlying risk is tied to interest rates and foreign exchange rates.", "label": "Cross Currency Interest Rate Contract [Member]", "terseLabel": "Cross Currency Interest Rate Contract [Member]" } } }, "localname": "CrossCurrencyInterestRateContractMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/FinancialInstrumentsDetails", "http://shipfinance.bm/role/OtherFinancialItemsNetDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtAndEquitySecuritiesGainLoss": { "auth_ref": [ "r96", "r98" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 12.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 }, "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 10.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of unrealized and realized gain (loss) on investment in debt and equity securities.", "label": "Debt and Equity Securities, Gain (Loss)", "negatedTerseLabel": "(Gain)/loss on investments in debt and equity securities", "terseLabel": "Gain/(Loss) on investments in debt and equity securities" } } }, "localname": "DebtAndEquitySecuritiesGainLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows", "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtAndEquitySecuritiesRealizedGainLoss": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of realized gain (loss) on investment in debt and equity securities.", "label": "Debt and Equity Securities, Realized Gain (Loss)", "terseLabel": "Gain/(Loss) on investments in debt and equity securities" } } }, "localname": "DebtAndEquitySecuritiesRealizedGainLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtConversionConvertedInstrumentAmount1": { "auth_ref": [ "r132", "r134" ], "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": "Conversion of principal amount" } } }, "localname": "DebtConversionConvertedInstrumentAmount1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtCurrent": { "auth_ref": [ "r54" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.", "label": "Debt, Current", "terseLabel": "Short-term debt and current portion of long term debt" } } }, "localname": "DebtCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Debt Disclosure [Abstract]" } } }, "localname": "DebtDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_DebtDisclosureTextBlock": { "auth_ref": [ "r277" ], "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]", "verboseLabel": "SHORT-TERM AND LONG-TERM DEBT" } } }, "localname": "DebtDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebt" ], "xbrltype": "textBlockItemType" }, "us-gaap_DebtInstrumentAxis": { "auth_ref": [ "r30", "r31", "r32", "r469", "r470", "r485" ], "lang": { "en-US": { "role": { "documentation": "Information by type of debt instrument, including, but not limited to, draws against credit facilities.", "label": "Debt Instrument [Axis]", "terseLabel": "Debt Instrument [Axis]" } } }, "localname": "DebtInstrumentAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquityParenthetical", "http://shipfinance.bm/role/EarningsPerShareNarrativeDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails", "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent": { "auth_ref": [ "r272" ], "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": "Total allocated as the reacquisition of the equity component" } } }, "localname": "DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentConvertibleConversionPrice1": { "auth_ref": [ "r274" ], "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://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_DebtInstrumentFaceAmount": { "auth_ref": [ "r403", "r405" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Face (par) amount of debt instrument at time of issuance.", "label": "Debt Instrument, Face Amount", "terseLabel": "Debt amount", "verboseLabel": "Term loan facility, principal amount" } } }, "localname": "DebtInstrumentFaceAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails", "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails", "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentInterestRateStatedPercentage": { "auth_ref": [ "r59" ], "lang": { "en-US": { "role": { "documentation": "Contractual interest rate for funds borrowed, under the debt agreement.", "label": "Debt Instrument, Interest Rate, Stated Percentage", "verboseLabel": "Interest rate" } } }, "localname": "DebtInstrumentInterestRateStatedPercentage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquityParenthetical", "http://shipfinance.bm/role/EarningsPerShareNarrativeDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails" ], "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": "Debt Instrument [Line Items]" } } }, "localname": "DebtInstrumentLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentNameDomain": { "auth_ref": [ "r60" ], "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://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquityParenthetical", "http://shipfinance.bm/role/EarningsPerShareNarrativeDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails", "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtInstrumentRedemptionPricePercentage": { "auth_ref": [ "r483" ], "lang": { "en-US": { "role": { "documentation": "Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.", "label": "Debt Instrument, Redemption Price, Percentage", "terseLabel": "Super Senior Callable Liquidity Bonds Rate" } } }, "localname": "DebtInstrumentRedemptionPricePercentage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails" ], "xbrltype": "percentItemType" }, "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": "Facility repurchased amount" } } }, "localname": "DebtInstrumentRepurchaseAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentTable": { "auth_ref": [ "r60", "r144", "r282", "r285", "r286", "r287", "r402", "r403", "r405", "r484" ], "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]", "terseLabel": "Schedule of Long-term Debt Instruments [Table]" } } }, "localname": "DebtInstrumentTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails" ], "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", "verboseLabel": "Term loan facility, term" } } }, "localname": "DebtInstrumentTerm", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnTerminationOfChartersDetails", "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "durationItemType" }, "us-gaap_DebtIssuanceCostsLineOfCreditArrangementsNet": { "auth_ref": [ "r406" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after accumulated amortization, of debt issuance costs related to line of credit arrangements. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.", "label": "Debt Issuance Costs, Line of Credit Arrangements, Net", "negatedTerseLabel": "Less: unamortized debt issuance costs" } } }, "localname": "DebtIssuanceCostsLineOfCreditArrangementsNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfCorporateBondsDetails": { "order": 1.0, "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis", "weight": -1.0 } }, "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": "Unrealised gains/ (losses)" } } }, "localname": "DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfCorporateBondsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleTable": { "auth_ref": [ "r208" ], "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]", "terseLabel": "Debt Securities, Available-for-sale [Table]" } } }, "localname": "DebtSecuritiesAvailableForSaleTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfCorporateBondsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleTableTextBlock": { "auth_ref": [ "r208" ], "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": "Schedule of Corporate Bonds" } } }, "localname": "DebtSecuritiesAvailableForSaleTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_DebtSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairment": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in net income (trading). Excludes other-than-temporary impairment (OTTI).", "label": "Debt Securities, Realized Gain (Loss), Excluding Other-than-temporary Impairment", "terseLabel": "Realized gain/(loss)" } } }, "localname": "DebtSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfMarketableSecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairment": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of 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), investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in net income (trading). Excludes other-than-temporary impairment (OTTI).", "label": "Debt Securities, Unrealized Gain (Loss), Excluding Other-than-temporary Impairment", "terseLabel": "Unrealized gain/(loss) recorded in other comprehensive income" } } }, "localname": "DebtSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfMarketableSecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtWeightedAverageInterestRate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Weighted average interest rate of debt outstanding.", "label": "Debt, Weighted Average Interest Rate", "terseLabel": "Weighted average interest rate (in hundredths)" } } }, "localname": "DebtWeightedAverageInterestRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DeferredChargesPolicyTextBlock": { "auth_ref": [ "r50", "r136" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for deferral and amortization of significant deferred charges.", "label": "Deferred Charges, Policy [Policy Text Block]", "terseLabel": "Deferred charges" } } }, "localname": "DeferredChargesPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]" } } }, "localname": "DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_DeferredRevenueCurrent": { "auth_ref": [ "r43" ], "calculation": { "http://shipfinance.bm/role/OtherCurrentLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_OtherLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current.", "label": "Deferred Revenue, Current", "terseLabel": "Deferred and prepaid charter revenue" } } }, "localname": "DeferredRevenueCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherCurrentLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DepositAssets": { "auth_ref": [ "r71" ], "calculation": { "http://shipfinance.bm/role/OtherLongTermAssetsScheduleOfLongTermAssetsDetails": { "order": 2.0, "parentTag": "us-gaap_OtherAssetsNoncurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The carrying amount of the asset transferred to a third party to serve as a deposit, which typically serves as security against failure by the transferor to perform under terms of an agreement.", "label": "Deposit Assets", "terseLabel": "Collateral deposits on swap agreements" } } }, "localname": "DepositAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherLongTermAssetsScheduleOfLongTermAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_Depreciation": { "auth_ref": [ "r127", "r241" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 3.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.", "label": "Depreciation", "terseLabel": "Depreciation", "verboseLabel": "Depreciation" } } }, "localname": "Depreciation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows", "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations", "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails", "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeAssetsCurrent": { "auth_ref": [ "r73" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 9.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 }, "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails": { "order": 4.0, "parentTag": "us-gaap_AssetsFairValueDisclosure", "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, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.", "label": "Derivative Asset, Current", "terseLabel": "Financial instruments at fair value, current portion", "verboseLabel": "Total derivative instruments - short-term assets" } } }, "localname": "DerivativeAssetsCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/FinancialInstrumentsDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeAssetsNoncurrent": { "auth_ref": [ "r73" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 8.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails": { "order": 5.0, "parentTag": "us-gaap_AssetsFairValueDisclosure", "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, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.", "label": "Derivative Asset, Noncurrent", "terseLabel": "Interest rate/ currency swap contracts \u2013 short-term receivables", "verboseLabel": "Financial instruments at fair value, long term" } } }, "localname": "DerivativeAssetsNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/FinancialInstrumentsDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "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 [Domain]", "terseLabel": "Derivative Contract [Domain]" } } }, "localname": "DerivativeContractTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/FinancialInstrumentsDetails", "http://shipfinance.bm/role/FinancialInstrumentsForeignCurrencyRiskManagementDetails", "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails", "http://shipfinance.bm/role/OtherFinancialItemsNetDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DerivativeFixedInterestRate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Fixed interest rate related to the interest rate derivative.", "label": "Derivative, Fixed Interest Rate", "terseLabel": "Fixed Interest Rate" } } }, "localname": "DerivativeFixedInterestRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DerivativeInstrumentRiskAxis": { "auth_ref": [ "r352", "r353", "r359", "r364" ], "lang": { "en-US": { "role": { "documentation": "Information by type of derivative contract.", "label": "Derivative Instrument [Axis]", "terseLabel": "Derivative Instrument [Axis]" } } }, "localname": "DerivativeInstrumentRiskAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/FinancialInstrumentsDetails", "http://shipfinance.bm/role/FinancialInstrumentsForeignCurrencyRiskManagementDetails", "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails", "http://shipfinance.bm/role/OtherFinancialItemsNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Derivative Instruments and Hedging Activities Disclosure [Abstract]" } } }, "localname": "DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock": { "auth_ref": [ "r371" ], "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]", "verboseLabel": "FINANCIAL INSTRUMENTS" } } }, "localname": "DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstruments" ], "xbrltype": "textBlockItemType" }, "us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet": { "auth_ref": [ "r356", "r363" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.", "label": "Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net", "terseLabel": "Loss on derivative instrument reclassified from other comprehensive income" } } }, "localname": "DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherFinancialItemsNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet": { "auth_ref": [ "r357", "r369" ], "calculation": { "http://shipfinance.bm/role/OtherFinancialItemsNetDetails": { "order": 3.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness.", "label": "Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net", "terseLabel": "Net movement in fair value of designated derivatives (ineffective portion)" } } }, "localname": "DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherFinancialItemsNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet": { "auth_ref": [ "r358", "r360" ], "calculation": { "http://shipfinance.bm/role/OtherFinancialItemsNetDetails": { "order": 1.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.", "label": "Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net", "terseLabel": "Total net movement in fair value of non-designated derivatives" } } }, "localname": "DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherFinancialItemsNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeLiabilitiesCurrent": { "auth_ref": [ "r73" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_LiabilitiesCurrent", "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, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.", "label": "Derivative Liability, Current", "terseLabel": "Financial instruments at fair value, current portion" } } }, "localname": "DerivativeLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/FinancialInstrumentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeLiabilitiesNoncurrent": { "auth_ref": [ "r73" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 3.0, "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, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.", "label": "Derivative Liability, Noncurrent", "terseLabel": "Financial instruments at fair value, long term", "verboseLabel": "Liabilities" } } }, "localname": "DerivativeLiabilitiesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/FinancialInstrumentsDetails" ], "xbrltype": "monetaryItemType" }, "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": "Derivative [Line Items]" } } }, "localname": "DerivativeLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsDetails", "http://shipfinance.bm/role/FinancialInstrumentsForeignCurrencyRiskManagementDetails", "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DerivativeNotionalAmount": { "auth_ref": [ "r346", "r348" ], "lang": { "en-US": { "role": { "documentation": "Nominal or face amount used to calculate payment on derivative.", "label": "Derivative, Notional Amount", "terseLabel": "Derivative, Notional Amount", "verboseLabel": "Debt amount" } } }, "localname": "DerivativeNotionalAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsForeignCurrencyRiskManagementDetails", "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeTable": { "auth_ref": [ "r147", "r345", "r347", "r348", "r349", "r351", "r354", "r359", "r366", "r367", "r370" ], "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]", "terseLabel": "Derivative [Table]" } } }, "localname": "DerivativeTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsDetails", "http://shipfinance.bm/role/FinancialInstrumentsForeignCurrencyRiskManagementDetails", "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DesignatedAsHedgingInstrumentMember": { "auth_ref": [ "r349" ], "lang": { "en-US": { "role": { "documentation": "Derivative instrument designated as hedging instrument under Generally Accepted Accounting Principles (GAAP).", "label": "Designated as Hedging Instrument [Member]", "terseLabel": "Designated as Hedging Instrument [Member]" } } }, "localname": "DesignatedAsHedgingInstrumentMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/FinancialInstrumentsDetails", "http://shipfinance.bm/role/FinancialInstrumentsForeignCurrencyRiskManagementDetails", "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DilutiveSecurities": { "auth_ref": [ "r166" ], "calculation": { "http://shipfinance.bm/role/EarningsPerShareDetails": { "order": 2.0, "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted", "weight": 1.0 } }, "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": "Interest and other expenses attributable to convertible bonds" } } }, "localname": "DilutiveSecurities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/EarningsPerShareDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock": { "auth_ref": [ "r326" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for share-based payment arrangement.", "label": "Share-based Payment Arrangement [Text Block]", "verboseLabel": "SHARE OPTION PLAN" } } }, "localname": "DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlan" ], "xbrltype": "textBlockItemType" }, "us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Share-based Payment Arrangement [Abstract]" } } }, "localname": "DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock": { "auth_ref": [ "r301", "r321" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of share-based payment arrangement.", "label": "Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]", "terseLabel": "Summary of share option transactions" } } }, "localname": "DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Discontinued Operations and Disposal Groups [Abstract]" } } }, "localname": "DiscontinuedOperationsAndDisposalGroupsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents": { "auth_ref": [ "r0", "r1", "r8", "r247" ], "calculation": { "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroupsDetails": { "order": 1.0, "parentTag": "sfl_DisposalgroupNetassets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount classified as cash and cash equivalents attributable to disposal group held for sale or disposed of.", "label": "Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents", "terseLabel": "Cash and cash equivalents" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroupsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherLiabilities": { "auth_ref": [ "r0", "r1", "r8", "r247" ], "calculation": { "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroupsDetails": { "order": 4.0, "parentTag": "sfl_DisposalgroupNetassets", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount classified as other liabilities attributable to disposal group held for sale or disposed of.", "label": "Disposal Group, Including Discontinued Operation, Other Liabilities", "negatedTerseLabel": "Other current liabilities" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationOtherLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroupsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment": { "auth_ref": [ "r0", "r1", "r8", "r247" ], "calculation": { "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroupsDetails": { "order": 2.0, "parentTag": "sfl_DisposalgroupNetassets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of.", "label": "Disposal Group, Including Discontinued Operation, Property, Plant and Equipment", "terseLabel": "Vessel and equipment, net" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroupsDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock": { "auth_ref": [ "r14", "r251" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.", "label": "Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]", "terseLabel": "GAIN ON SALE OF SUBSIDIARIES AND DISPOSAL GROUPS" } } }, "localname": "DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroups" ], "xbrltype": "textBlockItemType" }, "us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of disposal group.", "label": "Disposal Group Name [Domain]", "terseLabel": "Disposal Group Name [Domain]" } } }, "localname": "DisposalGroupsIncludingDiscontinuedOperationsNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroupsNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DividendsCommonStock": { "auth_ref": [ "r288", "r482" ], "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", "negatedLabel": "Dividends declared", "negatedTerseLabel": "Dividends, Common Stock" } } }, "localname": "DividendsCommonStock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DueFromOtherRelatedPartiesNoncurrent": { "auth_ref": [ "r27", "r141", "r437" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount receivable from related parties classified as other, due after one year or the normal operating cycle, if longer.", "label": "Due from Other Related Parties, Noncurrent", "verboseLabel": "Total long-term receivables from related parties" } } }, "localname": "DueFromOtherRelatedPartiesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfAmountsDueFromAndToRelatedPartiesExcludingDirectFinancingLeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DueFromRelatedParties": { "auth_ref": [ "r146", "r437", "r472", "r494" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.", "label": "Due from Related Parties", "terseLabel": "Due from related parties" } } }, "localname": "DueFromRelatedParties", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DueFromRelatedPartiesCurrent": { "auth_ref": [ "r18", "r27", "r36", "r141", "r437" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle).", "label": "Due from Related Parties, Current", "terseLabel": "Due from related parties", "verboseLabel": "Total amount due from related parties" } } }, "localname": "DueFromRelatedPartiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLoansAssociatedCompainesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfAmountsDueFromAndToRelatedPartiesExcludingDirectFinancingLeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DueFromRelatedPartiesNoncurrent": { "auth_ref": [ "r45", "r146", "r437" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due after one year (or one business cycle).", "label": "Due from Related Parties, Noncurrent", "terseLabel": "Long-term receivables from related parties" } } }, "localname": "DueFromRelatedPartiesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfAmountsDueFromAndToRelatedPartiesExcludingDirectFinancingLeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DueToRelatedPartiesCurrent": { "auth_ref": [ "r51", "r146", "r437" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).", "label": "Due to Related Parties, Current", "terseLabel": "Total amount due to related parties", "verboseLabel": "Due to related parties" } } }, "localname": "DueToRelatedPartiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfAmountsDueFromAndToRelatedPartiesExcludingDirectFinancingLeasesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfFeesIncurredWithRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DueToRelatedPartiesNoncurrent": { "auth_ref": [ "r61", "r146", "r437" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Portion of the carrying amount as of the balance sheet date of obligations due all related parties that is payable after one year or beyond the normal operating cycle if longer.", "label": "Due to Related Parties, Noncurrent", "terseLabel": "Due to parent" } } }, "localname": "DueToRelatedPartiesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLoansAssociatedCompainesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EarningsPerShareAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Earnings Per Share [Abstract]", "verboseLabel": "Per share information:" } } }, "localname": "EarningsPerShareAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareBasic": { "auth_ref": [ "r95", "r153", "r159", "r162", "r163", "r164", "r168", "r478", "r497" ], "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", "terseLabel": "Basic earnings per share (in dollars per share)" } } }, "localname": "EarningsPerShareBasic", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations", "http://shipfinance.bm/role/EarningsPerShareDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerShareBasicAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Earnings Per Share, Basic [Abstract]", "terseLabel": "Basic earnings per share:" } } }, "localname": "EarningsPerShareBasicAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/EarningsPerShareDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareDiluted": { "auth_ref": [ "r95", "r153", "r159", "r162", "r163", "r164", "r168", "r478", "r497" ], "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", "terseLabel": "Diluted earnings per share (in dollars per share)" } } }, "localname": "EarningsPerShareDiluted", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations", "http://shipfinance.bm/role/EarningsPerShareDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerShareDilutedAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Earnings Per Share, Diluted [Abstract]", "terseLabel": "Diluted earnings per share:" } } }, "localname": "EarningsPerShareDilutedAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/EarningsPerShareDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EarningsPerSharePolicyTextBlock": { "auth_ref": [ "r136", "r165", "r166", "r167" ], "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://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_EarningsPerShareTextBlock": { "auth_ref": [ "r169" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for earnings per share.", "label": "Earnings Per Share [Text Block]", "verboseLabel": "EARNINGS PER SHARE" } } }, "localname": "EarningsPerShareTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/EarningsPerShare" ], "xbrltype": "textBlockItemType" }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized": { "auth_ref": [ "r319" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cost not yet recognized for nonvested award under share-based payment arrangement.", "label": "Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount", "terseLabel": "Unrecognized compensation costs related to non-vested options granted" } } }, "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1": { "auth_ref": [ "r319" ], "lang": { "en-US": { "role": { "documentation": "Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition", "terseLabel": "Unrecognized compensation costs, period of recognition" } } }, "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions": { "auth_ref": [ "r319" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cost to be recognized for option under share-based payment arrangement.", "label": "Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount", "terseLabel": "Unrecognized compensation costs" } } }, "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EmployeeStockOptionMember": { "auth_ref": [ "r318" ], "lang": { "en-US": { "role": { "documentation": "Share-based payment arrangement granting right, subject to vesting and other restrictions, to purchase or sell certain number of shares at predetermined price for specified period of time.", "label": "Share-based Payment Arrangement, Option [Member]", "terseLabel": "Stock Options" } } }, "localname": "EmployeeStockOptionMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShareOptionPlanDetails", "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_EquityComponentDomain": { "auth_ref": [ "r281" ], "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://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_EquityMethodInvestmentDividendsOrDistributions": { "auth_ref": [ "r93", "r121", "r127", "r495" ], "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, Distribution", "terseLabel": "Proceeds from equity method investment dividends" } } }, "localname": "EquityMethodInvestmentDividendsOrDistributions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquityMethodInvestmentOwnershipPercentage": { "auth_ref": [ "r212" ], "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": "Ownership percentage" } } }, "localname": "EquityMethodInvestmentOwnershipPercentage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Equity Method Investment, Summarized Financial Information [Abstract]", "terseLabel": "Summarized balance sheet information [Abstract]" } } }, "localname": "EquityMethodInvestmentSummarizedFinancialInformationAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets": { "auth_ref": [ "r13", "r140", "r211", "r215", "r392" ], "calculation": { "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of assets reported by an equity method investment of the entity.", "label": "Equity Method Investment, Summarized Financial Information, Assets", "totalLabel": "Total assets" } } }, "localname": "EquityMethodInvestmentSummarizedFinancialInformationAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets": { "auth_ref": [ "r13", "r140", "r211", "r215", "r392" ], "calculation": { "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails": { "order": 1.0, "parentTag": "us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of current assets reported by an equity method investment of the entity.", "label": "Equity Method Investment, Summarized Financial Information, Current Assets", "terseLabel": "Current assets" } } }, "localname": "EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities": { "auth_ref": [ "r13", "r140", "r211", "r215", "r392" ], "calculation": { "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails": { "order": 1.0, "parentTag": "us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The amount of current liabilities reported by an equity method investment of the entity.", "label": "Equity Method Investment, Summarized Financial Information, Current Liabilities", "terseLabel": "Current liabilities" } } }, "localname": "EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquity": { "auth_ref": [ "r13", "r148", "r215", "r392", "r393" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of equity, including noncontrolling interest, reported by an equity method investment of the entity.", "label": "Equity Method Investment Summarized Financial Information, Equity", "terseLabel": "Total stockholders' equity" } } }, "localname": "EquityMethodInvestmentSummarizedFinancialInformationEquity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeLossFromContinuingOperationsBeforeExtraordinaryItems": { "auth_ref": [ "r13", "r140", "r211", "r215" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of income (loss) from continuing operations reported by an equity method investee.", "label": "Equity Method Investment, Summarized Financial Information, Income (Loss) from Continuing Operations", "terseLabel": "Net operating revenues" } } }, "localname": "EquityMethodInvestmentSummarizedFinancialInformationIncomeLossFromContinuingOperationsBeforeExtraordinaryItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Equity Method Investment, Summarized Financial Information, Income Statement [Abstract]", "terseLabel": "Statement of operations information [Abstract]" } } }, "localname": "EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilities": { "auth_ref": [ "r13", "r140", "r211", "r215", "r392" ], "calculation": { "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The amount of liabilities reported by an equity method investment of the entity.", "label": "Equity Method Investment, Summarized Financial Information, Liabilities", "totalLabel": "Total liabilities" } } }, "localname": "EquityMethodInvestmentSummarizedFinancialInformationLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss": { "auth_ref": [ "r13", "r140", "r211", "r215", "r392" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The amount of net income (loss) reported by an equity method investment of the entity.", "label": "Equity Method Investment, Summarized Financial Information, Net Income (Loss)", "terseLabel": "Net income" } } }, "localname": "EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets": { "auth_ref": [ "r13", "r140", "r211", "r215", "r392" ], "calculation": { "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails": { "order": 2.0, "parentTag": "us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of noncurrent assets reported by an equity method investment of the entity.", "label": "Equity Method Investment, Summarized Financial Information, Noncurrent Assets", "terseLabel": "Non-current assets" } } }, "localname": "EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities": { "auth_ref": [ "r13", "r140", "r211", "r215", "r392" ], "calculation": { "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails": { "order": 2.0, "parentTag": "us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The amount of noncurrent liabilities reported by an equity method investment of the entity.", "label": "Equity Method Investment, Summarized Financial Information, Noncurrent Liabilities", "terseLabel": "Non-current liabilities" } } }, "localname": "EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue": { "auth_ref": [ "r13", "r215" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of revenue from sale of product and rendering of service reported by equity method investee.", "label": "Equity Method Investment, Summarized Financial Information, Revenue", "terseLabel": "Operating revenues" } } }, "localname": "EquityMethodInvestmentSummarizedFinancialInformationRevenue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquityMethodInvestments": { "auth_ref": [ "r46", "r188", "r210" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_Assets", "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": "Investment in associated companies" } } }, "localname": "EquityMethodInvestments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquityMethodInvestmentsDisclosureTextBlock": { "auth_ref": [ "r217", "r344" ], "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]", "verboseLabel": "INVESTMENT IN ASSOCIATED COMPANIES" } } }, "localname": "EquityMethodInvestmentsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompanies" ], "xbrltype": "textBlockItemType" }, "us-gaap_EquityMethodInvestmentsPolicy": { "auth_ref": [ "r46", "r121", "r136", "r213", "r392" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for equity method of accounting for investments and other interests. Investment includes, but is not limited to, unconsolidated subsidiary, corporate joint venture, noncontrolling interest in real estate venture, limited partnership, and limited liability company. Information includes, but is not limited to, ownership percentage, reason equity method is or is not considered appropriate, and accounting policy election for distribution received.", "label": "Equity Method Investments [Policy Text Block]", "terseLabel": "Investments in associated companies" } } }, "localname": "EquityMethodInvestmentsPolicy", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_EquityMethodInvestmentsTextBlock": { "auth_ref": [ "r216" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information.", "label": "Equity Method Investments [Table Text Block]", "verboseLabel": "Percentage participation using the equity method of accounting" } } }, "localname": "EquityMethodInvestmentsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_EquitySecuritiesFvNi": { "auth_ref": [ "r383" ], "calculation": { "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails": { "order": 2.0, "parentTag": "us-gaap_AssetsFairValueDisclosure", "weight": 1.0 }, "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfMarketableSecuritiesDetails": { "order": 2.0, "parentTag": "us-gaap_Investments", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).", "label": "Equity Securities, FV-NI", "periodEndLabel": "Balance at the end of year", "periodStartLabel": "Balance at start of the year", "terseLabel": "Equity securities" } } }, "localname": "EquitySecuritiesFvNi", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfMarketableSecuritiesDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesSharesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquitySecuritiesFvNiRealizedGainLoss": { "auth_ref": [ "r209" ], "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": "Equity Securities, FV-NI, Realized Gain (Loss)", "terseLabel": "Realized gain/(loss)" } } }, "localname": "EquitySecuritiesFvNiRealizedGainLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfMarketableSecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquitySecuritiesFvNiRestricted": { "auth_ref": [ "r452" ], "calculation": { "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails": { "order": 3.0, "parentTag": "us-gaap_AssetsFairValueDisclosure", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of restricted investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).", "label": "Equity Securities, FV-NI, Restricted", "terseLabel": "Equity Securities pledged to creditors" } } }, "localname": "EquitySecuritiesFvNiRestricted", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfMarketableSecuritiesDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesSharesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquitySecuritiesFvNiUnrealizedGainLoss": { "auth_ref": [ "r209" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).", "label": "Equity Securities, FV-NI, Unrealized Gain (Loss)", "terseLabel": "Unrealized Gain" } } }, "localname": "EquitySecuritiesFvNiUnrealizedGainLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfMarketableSecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EstimateOfFairValueFairValueDisclosureMember": { "auth_ref": [ "r386" ], "lang": { "en-US": { "role": { "documentation": "Measured as an estimate of fair value.", "label": "Estimate of Fair Value Measurement [Member]", "terseLabel": "Fair Value" } } }, "localname": "EstimateOfFairValueFairValueDisclosureMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "xbrltype": "domainItemType" }, "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": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable": { "auth_ref": [ "r372", "r373", "r374", "r379" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about asset and liability measured at fair value on recurring and nonrecurring basis.", "label": "Fair Value, Recurring and Nonrecurring [Table]", "terseLabel": "Fair Value, Recurring and Nonrecurring [Table]" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock": { "auth_ref": [ "r372", "r373", "r374", "r378", "r379" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances.", "label": "Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]", "terseLabel": "Schedule of financial assets and liabilities measured at fair value on a recurring basis" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsTables" ], "xbrltype": "textBlockItemType" }, "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, Balance Sheet Grouping, Financial Statement Captions [Line Items]" } } }, "localname": "FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByBalanceSheetGroupingTable": { "auth_ref": [ "r372", "r387", "r388" ], "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]", "terseLabel": "Fair Value, by Balance Sheet Grouping [Table]" } } }, "localname": "FairValueByBalanceSheetGroupingTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByBalanceSheetGroupingTextBlock": { "auth_ref": [ "r372", "r387" ], "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 carrying value and estimated fair value of financial assets and liabilities" } } }, "localname": "FairValueByBalanceSheetGroupingTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_FairValueByFairValueHierarchyLevelAxis": { "auth_ref": [ "r294", "r295", "r297", "r373", "r448" ], "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 and NAV [Axis]", "terseLabel": "Fair Value Hierarchy and NAV [Axis]" } } }, "localname": "FairValueByFairValueHierarchyLevelAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByMeasurementBasisAxis": { "auth_ref": [ "r372", "r380" ], "lang": { "en-US": { "role": { "documentation": "Information by measurement basis.", "label": "Measurement Basis [Axis]", "terseLabel": "Measurement Basis [Axis]", "verboseLabel": "Measurement Basis [Axis]" } } }, "localname": "FairValueByMeasurementBasisAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByMeasurementFrequencyAxis": { "auth_ref": [ "r372", "r373", "r375", "r376", "r381" ], "lang": { "en-US": { "role": { "documentation": "Information by measurement frequency.", "label": "Measurement Frequency [Axis]", "terseLabel": "Measurement Frequency [Axis]", "verboseLabel": "Fair Value by Measurement Frequency [Axis]" } } }, "localname": "FairValueByMeasurementFrequencyAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueDisclosureItemAmountsDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Measurement basis, for example, but not limited to, reported value, fair value, portion at fair value, portion at other than fair value.", "label": "Fair Value Measurement [Domain]", "terseLabel": "Fair Value Measurement [Domain]", "verboseLabel": "Fair Value, Disclosure Item Amounts [Domain]" } } }, "localname": "FairValueDisclosureItemAmountsDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueInputsLevel1Member": { "auth_ref": [ "r294", "r295", "r297", "r373", "r449" ], "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, Level 1 [Member]", "terseLabel": "Quoted Prices in Active Markets for Identical Assets (Level 1)" } } }, "localname": "FairValueInputsLevel1Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueInputsLevel2Member": { "auth_ref": [ "r294", "r295", "r297", "r373", "r450" ], "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, Level 2 [Member]", "terseLabel": "Fair Value, Inputs, Level 2 [Member]", "verboseLabel": "Fair Value, Inputs, Level 2" } } }, "localname": "FairValueInputsLevel2Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueInputsLevel3Member": { "auth_ref": [ "r294", "r295", "r297", "r373", "r451" ], "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, Level 3 [Member]", "terseLabel": "Significant Unobservable Inputs (Level 3)" } } }, "localname": "FairValueInputsLevel3Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueMeasurementFrequencyDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Measurement frequency.", "label": "Measurement Frequency [Domain]", "terseLabel": "Measurement Frequency [Domain]" } } }, "localname": "FairValueMeasurementFrequencyDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "xbrltype": "domainItemType" }, "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 Hierarchy and NAV [Domain]", "terseLabel": "Fair Value Hierarchy and NAV [Domain]", "verboseLabel": "Fair Value, Measurements, Fair Value Hierarchy [Domain]" } } }, "localname": "FairValueMeasurementsFairValueHierarchyDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueMeasurementsRecurringMember": { "auth_ref": [ "r377", "r381" ], "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, Recurring [Member]", "terseLabel": "Fair Value, Recurring [Member]", "verboseLabel": "Fair Value, Recurring" } } }, "localname": "FairValueMeasurementsRecurringMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueOfFinancialInstrumentsPolicy": { "auth_ref": [ "r136", "r382", "r385" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for determining the fair value of financial instruments.", "label": "Fair Value of Financial Instruments, Policy [Policy Text Block]", "terseLabel": "Financial Instruments" } } }, "localname": "FairValueOfFinancialInstrumentsPolicy", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_FinanceLeaseInterestExpense": { "auth_ref": [ "r418", "r421", "r423" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of interest expense on finance lease liability.", "label": "Finance Lease, Interest Expense", "terseLabel": "Finance lease, interest expense" } } }, "localname": "FinanceLeaseInterestExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiability": { "auth_ref": [ "r417", "r422" ], "calculation": { "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFutureMinimumLeasePaymentsDetails": { "order": 2.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from finance lease.", "label": "Finance Lease, Liability", "totalLabel": "Present value of finance lease liability" } } }, "localname": "FinanceLeaseLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFinanceLeasesDetails", "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFutureMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityCurrent": { "auth_ref": [ "r417" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 8.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 }, "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFutureMinimumLeasePaymentsDetails": { "order": 1.0, "parentTag": "us-gaap_FinanceLeaseLiability", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.", "label": "Finance Lease, Liability, Current", "negatedLabel": "Less: current portion", "terseLabel": "Finance lease liability, current portion" } } }, "localname": "FinanceLeaseLiabilityCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFinanceLeasesDetails", "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFutureMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityNoncurrent": { "auth_ref": [ "r417" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 6.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 }, "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFutureMinimumLeasePaymentsDetails": { "order": 2.0, "parentTag": "us-gaap_FinanceLeaseLiability", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.", "label": "Finance Lease, Liability, Noncurrent", "terseLabel": "Finance lease liability, long term" } } }, "localname": "FinanceLeaseLiabilityNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFinanceLeasesDetails", "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFutureMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDue": { "auth_ref": [ "r422" ], "calculation": { "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFutureMinimumLeasePaymentsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease.", "label": "Finance Lease, Liability, Payment, Due", "totalLabel": "Total finance lease liability" } } }, "localname": "FinanceLeaseLiabilityPaymentsDue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFutureMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive": { "auth_ref": [ "r422" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due after fifth fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due after Year Five", "terseLabel": "Thereafter" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueAfterYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFutureMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths": { "auth_ref": [ "r422" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in next fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Next Twelve Months", "terseLabel": "2020" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFutureMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive": { "auth_ref": [ "r422" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fifth fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Year Five", "terseLabel": "2024" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFutureMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour": { "auth_ref": [ "r422" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fourth fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Year Four", "terseLabel": "2023" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearFour", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFutureMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree": { "auth_ref": [ "r422" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in third fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Year Three", "terseLabel": "2022" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearThree", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFutureMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo": { "auth_ref": [ "r422" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in second fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Year Two", "terseLabel": "2021" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearTwo", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFutureMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount": { "auth_ref": [ "r422" ], "calculation": { "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFutureMinimumLeasePaymentsDetails": { "order": 1.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.", "label": "Finance Lease, Liability, Undiscounted Excess Amount", "negatedLabel": "Less: imputed interest payable" } } }, "localname": "FinanceLeaseLiabilityUndiscountedExcessAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfFutureMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseRightOfUseAsset": { "auth_ref": [ "r416" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetScheduleOfFinanceLeaseDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's right to use underlying asset under finance lease.", "label": "Finance Lease, Right-of-Use Asset", "terseLabel": "Vessels under finance lease, net", "totalLabel": "Vessels under finance lease, net" } } }, "localname": "FinanceLeaseRightOfUseAsset", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetScheduleOfFinanceLeaseDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinancialGuaranteeMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "An agreement (contract) that requires the guarantor to make payments to the guaranteed party based on another entity's failure to pay specified obligations, such as debt, to a lender.", "label": "Financial Guarantee [Member]", "terseLabel": "Financial Guarantee" } } }, "localname": "FinancialGuaranteeMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FinancialInstrumentAxis": { "auth_ref": [ "r220", "r223", "r224", "r226", "r227", "r229", "r230", "r231", "r232" ], "lang": { "en-US": { "role": { "documentation": "Information by type of financial instrument.", "label": "Financial Instrument [Axis]", "terseLabel": "Financial Instrument [Axis]" } } }, "localname": "FinancialInstrumentAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfCorporateBondsDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesSharesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ForeignCurrencyTransactionGainLossBeforeTax": { "auth_ref": [ "r395", "r396", "r397" ], "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": "Gain on foreign currency translation" } } }, "localname": "ForeignCurrencyTransactionGainLossBeforeTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherFinancialItemsNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ForeignCurrencyTransactionGainLossRealized": { "auth_ref": [ "r395", "r396", "r397" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement.", "label": "Foreign Currency Transaction Gain (Loss), Realized", "terseLabel": "Foreign exchange gain (loss)" } } }, "localname": "ForeignCurrencyTransactionGainLossRealized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock": { "auth_ref": [ "r136", "r397", "r399" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for (1) transactions denominated in a currency other than the reporting enterprise's functional currency, (2) translating foreign currency financial statements that are incorporated into the financial statements of the reporting enterprise by consolidation, combination, or the equity method of accounting, and (3) remeasurement of the financial statements of a foreign reporting enterprise in a hyperinflationary economy.", "label": "Foreign Currency Transactions and Translations Policy [Policy Text Block]", "terseLabel": "Foreign currencies" } } }, "localname": "ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_GainLossOnDispositionOfAssets": { "auth_ref": [ "r127", "r240", "r246" ], "calculation": { "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersSummaryDetails": { "order": 1.0, "parentTag": "sfl_Thegainlossonsettlementofloannotesreceivable", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.", "label": "Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property", "terseLabel": "Loss on sale of vessels", "verboseLabel": "Gain/(Loss)" } } }, "localname": "GainLossOnDispositionOfAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersSummaryDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GainLossOnDispositionOfAssets1": { "auth_ref": [ "r127" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.", "label": "Gain (Loss) on Disposition of Assets", "verboseLabel": "Gain/(Loss) on sale of assets and termination of charters, net" } } }, "localname": "GainLossOnDispositionOfAssets1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyPurchasesAndSalesOfVesselsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GainLossOnDispositionOfAssetsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Gain (Loss) on Disposition of Assets [Abstract]" } } }, "localname": "GainLossOnDispositionOfAssetsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_GainLossOnRepurchaseOfDebtInstrument": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) from the difference between the repurchase price of a debt instrument initially issued by the entity and the net carrying amount of the debt at the time of its repurchase.", "label": "Gain (Loss) on Repurchase of Debt Instrument", "terseLabel": "Gain on purchased bonds" } } }, "localname": "GainLossOnRepurchaseOfDebtInstrument", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GainOrLossOnSaleOfStockInSubsidiary": { "auth_ref": [ "r99", "r100", "r127", "r476", "r498" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 10.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 }, "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 4.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) on sale or disposal of equity in securities of subsidiaries.", "label": "Gain (Loss) on Disposition of Stock in Subsidiary", "negatedTerseLabel": "Gain on sale of subsidiary and disposal groups", "terseLabel": "Gain/(Loss) on sale of subsidiaries and disposal groups" } } }, "localname": "GainOrLossOnSaleOfStockInSubsidiary", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows", "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations", "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroupsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GainsLossesOnExtinguishmentOfDebt": { "auth_ref": [ "r127", "r275", "r276" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 14.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 }, "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 6.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "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": "Gain (Loss) on Extinguishment of Debt", "negatedLabel": "(Gain)/loss on repurchase of bonds", "verboseLabel": "Gain/(Loss) on purchase of bonds" } } }, "localname": "GainsLossesOnExtinguishmentOfDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows", "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GuaranteeObligationsByNatureAxis": { "auth_ref": [ "r266" ], "lang": { "en-US": { "role": { "documentation": "Information by nature of guarantee.", "label": "Guarantor Obligations, Nature [Axis]", "terseLabel": "Guarantor Obligations, Nature [Axis]" } } }, "localname": "GuaranteeObligationsByNatureAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails" ], "xbrltype": "stringItemType" }, "us-gaap_GuaranteeObligationsCurrentCarryingValue": { "auth_ref": [ "r265" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.", "label": "Guarantor Obligations, Current Carrying Value", "terseLabel": "Guarantor Obligations, Current Carrying Value", "verboseLabel": "Guarantor obligations, current carrying value" } } }, "localname": "GuaranteeObligationsCurrentCarryingValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GuaranteeObligationsMaximumExposure": { "auth_ref": [ "r264" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.", "label": "Guarantor Obligations, Maximum Exposure, Undiscounted", "terseLabel": "Term loan facility, amount guaranteed" } } }, "localname": "GuaranteeObligationsMaximumExposure", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GuaranteeObligationsNatureDomain": { "auth_ref": [ "r263" ], "lang": { "en-US": { "role": { "documentation": "Represents a description of the nature of the guarantee or each group of similar guarantees.", "label": "Guarantor Obligations, Nature [Domain]", "terseLabel": "Guarantor Obligations, Nature [Domain]" } } }, "localname": "GuaranteeObligationsNatureDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails" ], "xbrltype": "domainItemType" }, "us-gaap_HedgingDesignationAxis": { "auth_ref": [ "r349", "r365" ], "lang": { "en-US": { "role": { "documentation": "Information by designation of purpose of derivative instrument.", "label": "Hedging Designation [Axis]", "terseLabel": "Hedging Designation [Axis]" } } }, "localname": "HedgingDesignationAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/FinancialInstrumentsDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsForeignCurrencyRiskManagementDetails", "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "stringItemType" }, "us-gaap_HedgingDesignationDomain": { "auth_ref": [ "r349" ], "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://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/FinancialInstrumentsDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsForeignCurrencyRiskManagementDetails", "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock": { "auth_ref": [ "r136", "r237", "r250" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for recognizing and measuring the impairment of long-lived assets. An entity also may disclose its accounting policy for long-lived assets to be sold. This policy excludes goodwill and intangible assets.", "label": "Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]", "terseLabel": "Impairment of long-lived assets, including other long-term investments" } } }, "localname": "ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments": { "auth_ref": [ "r145" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_NetIncomeLoss", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.", "label": "Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest", "totalLabel": "Net income before equity in earnings of associated companies" } } }, "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeLossFromEquityMethodInvestments": { "auth_ref": [ "r93", "r127", "r186", "r210", "r475", "r495" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 8.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 }, "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_NetIncomeLoss", "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": "Equity in earnings of associated companies", "terseLabel": "Equity in earnings of associated companies" } } }, "localname": "IncomeLossFromEquityMethodInvestments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows", "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeStatementAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Income Statement [Abstract]" } } }, "localname": "IncomeStatementAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by name of disposal group.", "label": "Disposal Group Name [Axis]", "terseLabel": "Disposal Group Name [Axis]" } } }, "localname": "IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroupsNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems": { "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 Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]", "terseLabel": "Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]" } } }, "localname": "IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroupsNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable": { "auth_ref": [ "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r9", "r11", "r12", "r13", "r248", "r249" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.", "label": "Disposal Groups, Including Discontinued Operations [Table]", "terseLabel": "Disposal Groups, Including Discontinued Operations [Table]" } } }, "localname": "IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroupsNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Income Tax Disclosure [Abstract]" } } }, "localname": "IncomeTaxDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxDisclosureTextBlock": { "auth_ref": [ "r328" ], "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]", "verboseLabel": "TAXATION" } } }, "localname": "IncomeTaxDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/Taxation" ], "xbrltype": "textBlockItemType" }, "us-gaap_IncreaseDecreaseInAccountsPayableTrade": { "auth_ref": [ "r126" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 23.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Change in recurring obligations of a business that arise from the acquisition of merchandise, materials, supplies and services used in the production and sale of goods and services.", "label": "Increase (Decrease) in Accounts Payable, Trade", "terseLabel": "Trade accounts payable" } } }, "localname": "IncreaseDecreaseInAccountsPayableTrade", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccountsReceivable": { "auth_ref": [ "r126" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 17.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.", "label": "Increase (Decrease) in Accounts Receivable", "negatedLabel": "Trade accounts receivable" } } }, "localname": "IncreaseDecreaseInAccountsReceivable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet": { "auth_ref": [ "r126" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 15.0, "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", "negatedTerseLabel": "Interest receivable in form of notes" } } }, "localname": "IncreaseDecreaseInAccruedInterestReceivableNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccruedLiabilities": { "auth_ref": [ "r126" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 24.0, "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 expenses incurred but not yet paid.", "label": "Increase (Decrease) in Accrued Liabilities", "terseLabel": "Accrued expenses" } } }, "localname": "IncreaseDecreaseInAccruedLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInDueFromRelatedPartiesCurrent": { "auth_ref": [ "r126" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 18.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The aggregate increase (decrease) during the reporting period in the amount due from 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 entity's 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 from Related Parties, Current", "negatedLabel": "Due from related parties" } } }, "localname": "IncreaseDecreaseInDueFromRelatedPartiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInInventories": { "auth_ref": [ "r126" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 21.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.", "label": "Increase (Decrease) in Inventories", "negatedLabel": "Inventories" } } }, "localname": "IncreaseDecreaseInInventories", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "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://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_IncreaseDecreaseInOtherCurrentAssets": { "auth_ref": [ "r126" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 20.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in current assets classified as other.", "label": "Increase (Decrease) in Other Current Assets", "negatedTerseLabel": "Other current assets" } } }, "localname": "IncreaseDecreaseInOtherCurrentAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInOtherOperatingLiabilities": { "auth_ref": [ "r126" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 25.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in operating liabilities classified as other.", "label": "Increase (Decrease) in Other Operating Liabilities", "terseLabel": "Other current liabilities" } } }, "localname": "IncreaseDecreaseInOtherOperatingLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInOtherReceivables": { "auth_ref": [ "r126" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 19.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in receivables classified as other.", "label": "Increase (Decrease) in Other Receivables", "negatedLabel": "Other receivables" } } }, "localname": "IncreaseDecreaseInOtherReceivables", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets": { "auth_ref": [ "r126" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 22.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in prepaid expenses, and assets classified as other.", "label": "Increase (Decrease) in Prepaid Expense and Other Assets", "negatedLabel": "Prepaid expenses and accrued income" } } }, "localname": "IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "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 [Roll Forward]" } } }, "localname": "IncreaseDecreaseInStockholdersEquityRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "xbrltype": "stringItemType" }, "us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities": { "auth_ref": [ "r161", "r166" ], "calculation": { "http://shipfinance.bm/role/EarningsPerShareDetails": { "order": 3.0, "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 convertible bonds (in shares)" } } }, "localname": "IncrementalCommonSharesAttributableToConversionOfDebtSecurities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/EarningsPerShareDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements": { "auth_ref": [ "r160", "r166" ], "calculation": { "http://shipfinance.bm/role/EarningsPerShareDetails": { "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 share based payment arrangements using the treasury stock method.", "label": "Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements", "terseLabel": "Effect of dilutive share options (in shares)" } } }, "localname": "IncrementalCommonSharesAttributableToShareBasedPaymentArrangements", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/EarningsPerShareDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_InterestCostsCapitalized": { "auth_ref": [ "r401" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of interest capitalized during the period.", "label": "Interest Costs Capitalized", "terseLabel": "Interest costs capitalized" } } }, "localname": "InterestCostsCapitalized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestExpenseRelatedParty": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 9.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of interest expense incurred on a debt or other obligation to related party.", "label": "Interest Expense, Related Party", "negatedTerseLabel": "Interest expense \u2013 related parties", "terseLabel": "Interest payable to parent" } } }, "localname": "InterestExpenseRelatedParty", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations", "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestIncomeDebtSecuritiesAvailableForSaleOperating": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of interest income, amortization of premium and accretion of discount on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale); classified as operating.", "label": "Interest Income, Debt Securities, Available-for-sale, Operating", "terseLabel": "Interest income" } } }, "localname": "InterestIncomeDebtSecuritiesAvailableForSaleOperating", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestIncomeRelatedParty": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of interest income earned from interest-bearing assets owed to the entity by related party.", "label": "Interest Income, Related Party", "terseLabel": "Interest Income, Related Party" } } }, "localname": "InterestIncomeRelatedParty", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsLongTermReceivablesFromRelatedPartiesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestPaidNet": { "auth_ref": [ "r120", "r124", "r131" ], "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, Excluding Capitalized Interest, Operating Activities", "terseLabel": "Interest paid, net of capitalized interest" } } }, "localname": "InterestPaidNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestPayableCurrent": { "auth_ref": [ "r23", "r24", "r56" ], "calculation": { "http://shipfinance.bm/role/AccruedExpensesDetails": { "order": 3.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Interest Payable, Current", "terseLabel": "Interest expense" } } }, "localname": "InterestPayableCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccruedExpensesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestRateSwapMember": { "auth_ref": [ "r361" ], "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 Swap [Member]" } } }, "localname": "InterestRateSwapMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/FinancialInstrumentsDetails", "http://shipfinance.bm/role/OtherFinancialItemsNetDetails" ], "xbrltype": "domainItemType" }, "us-gaap_InventoryInterestCapitalizationPolicy": { "auth_ref": [ "r136", "r400" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for (i) capitalizing to inventory the interest costs incurred on land development, home construction, and building construction projects, (ii) charging such capitalized costs against earnings, including identification of the line item captions reflecting such expense (typically cost of sales), and (iii) allocating such costs to projects.", "label": "Inventory, Interest Capitalization Policy [Policy Text Block]", "terseLabel": "Capitalized interest" } } }, "localname": "InventoryInterestCapitalizationPolicy", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_InventoryNet": { "auth_ref": [ "r16", "r68", "r233" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 7.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.", "label": "Inventory, Net", "verboseLabel": "Inventories" } } }, "localname": "InventoryNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_InventoryPolicyTextBlock": { "auth_ref": [ "r25", "r69", "r136", "r170", "r234", "r235" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of inventory accounting policy for inventory classes, including, but not limited to, basis for determining inventory amounts, methods by which amounts are added and removed from inventory classes, loss recognition on impairment of inventories, and situations in which inventories are stated above cost.", "label": "Inventory, Policy [Policy Text Block]", "terseLabel": "Inventories" } } }, "localname": "InventoryPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_InvestmentIncomeDividend": { "auth_ref": [ "r103" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of dividend income on nonoperating securities.", "label": "Investment Income, Dividend", "terseLabel": "Dividend income" } } }, "localname": "InvestmentIncomeDividend", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InvestmentOwnedAtFairValue": { "auth_ref": [ "r501", "r504", "r506", "r507", "r509" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Value of the investment at close of period. For schedules of investments that are categorized, the value would be aggregated by category. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.", "label": "Investment Owned, at Fair Value", "terseLabel": "Investment owned" } } }, "localname": "InvestmentOwnedAtFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InvestmentOwnedBalanceShares": { "auth_ref": [ "r502", "r503", "r505", "r508" ], "lang": { "en-US": { "role": { "documentation": "Balance held at close of period in number of shares.", "label": "Investment Owned, Balance, Shares", "terseLabel": "Investment owned (in shares)" } } }, "localname": "InvestmentOwnedBalanceShares", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_Investments": { "auth_ref": [ "r493" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 }, "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfMarketableSecuritiesDetails": { "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 investments.", "label": "Investments", "totalLabel": "Total Investment in Debt and Equity Securities", "verboseLabel": "Investment in debt and equity securities" } } }, "localname": "Investments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfMarketableSecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Investments, Debt and Equity Securities [Abstract]" } } }, "localname": "InvestmentsDebtAndEquitySecuritiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock": { "auth_ref": [ "r208", "r466", "r481", "r510" ], "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": "INVESTMENTS IN DEBT AND EQUITY SECURITIES" } } }, "localname": "InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecurities" ], "xbrltype": "textBlockItemType" }, "us-gaap_LeasesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Leases [Abstract]" } } }, "localname": "LeasesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_LesseeFinanceLeasesTextBlock": { "auth_ref": [ "r424" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for finance leases of lessee. Includes, but is not limited to, description of lessee's finance lease and maturity analysis of finance lease liability.", "label": "Lessee, Finance Leases [Text Block]", "verboseLabel": "VESSELS UNDER FINANCE LEASE, NET" } } }, "localname": "LesseeFinanceLeasesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNet" ], "xbrltype": "textBlockItemType" }, "us-gaap_LesseeLeaseDescriptionLineItems": { "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": "Lessee, Lease, Description [Line Items]", "terseLabel": "Lessee, Lease, Description [Line Items]" } } }, "localname": "LesseeLeaseDescriptionLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LesseeLeaseDescriptionTable": { "auth_ref": [ "r420" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about lessee's leases.", "label": "Lessee, Lease, Description [Table]", "terseLabel": "Lessee, Lease, Description [Table]" } } }, "localname": "LesseeLeaseDescriptionTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LesseeLeasesPolicyTextBlock": { "auth_ref": [ "r419" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for leasing arrangement entered into by lessee.", "label": "Lessee, Leases [Policy Text Block]", "terseLabel": "Finance lease liability" } } }, "localname": "LesseeLeasesPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_LessorLeaseDescriptionLineItems": { "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": "Lessor, Lease, Description [Line Items]", "terseLabel": "Lessor, Lease, Description [Line Items]" } } }, "localname": "LessorLeaseDescriptionLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OperatingLeasesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LessorLeaseDescriptionTable": { "auth_ref": [ "r429" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about lessor's leases.", "label": "Lessor, Lease, Description [Table]", "terseLabel": "Lessor, Lease, Description [Table]" } } }, "localname": "LessorLeaseDescriptionTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OperatingLeasesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LessorLeasesPolicyTextBlock": { "auth_ref": [ "r425", "r430", "r431", "r434" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for leasing arrangements entered into by lessor.", "label": "Lessor, Leases [Policy Text Block]", "terseLabel": "Investment in sales-type leases and direct financing leases and leaseback assets" } } }, "localname": "LessorLeasesPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_LessorOperatingLeasePaymentsFiscalYearMaturityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Lessor, Operating Lease, Payments, Fiscal Year Maturity [Abstract]", "terseLabel": "Minimum future revenues to be received under non-cancelable operating leases [Abstract]" } } }, "localname": "LessorOperatingLeasePaymentsFiscalYearMaturityAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OperatingLeasesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LessorOperatingLeasePaymentsToBeReceived": { "auth_ref": [ "r427" ], "calculation": { "http://shipfinance.bm/role/OperatingLeasesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of lease payments to be received by lessor for operating lease.", "label": "Lessor, Operating Lease, Payments to be Received", "totalLabel": "Total minimum lease revenues" } } }, "localname": "LessorOperatingLeasePaymentsToBeReceived", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OperatingLeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears": { "auth_ref": [ "r427" ], "calculation": { "http://shipfinance.bm/role/OperatingLeasesDetails": { "order": 5.0, "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of lease payments to be received by lessor in fifth fiscal year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.", "label": "Lessor, Operating Lease, Payments to be Received, Five Years", "terseLabel": "2024" } } }, "localname": "LessorOperatingLeasePaymentsToBeReceivedFiveYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OperatingLeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears": { "auth_ref": [ "r427" ], "calculation": { "http://shipfinance.bm/role/OperatingLeasesDetails": { "order": 4.0, "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of lease payments to be received by lessor in fourth year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.", "label": "Lessor, Operating Lease, Payments to be Received, Four Years", "verboseLabel": "2023" } } }, "localname": "LessorOperatingLeasePaymentsToBeReceivedFourYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OperatingLeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock": { "auth_ref": [ "r427" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of maturity of undiscounted cash flows to be received by lessor on annual basis for operating lease.", "label": "Lessor, Operating Lease, Payments to be Received, Maturity [Table Text Block]", "verboseLabel": "Minimum future revenue to be received under non-cancelable operating leases" } } }, "localname": "LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OperatingLeasesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths": { "auth_ref": [ "r427" ], "calculation": { "http://shipfinance.bm/role/OperatingLeasesDetails": { "order": 1.0, "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of lease payments to be received by lessor in next fiscal year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.", "label": "Lessor, Operating Lease, Payments to be Received, Next Twelve Months", "terseLabel": "2020" } } }, "localname": "LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OperatingLeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter": { "auth_ref": [ "r427" ], "calculation": { "http://shipfinance.bm/role/OperatingLeasesDetails": { "order": 6.0, "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of lease payments to be received by lessor after fifth fiscal year following latest statement of financial position date for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.", "label": "Lessor, Operating Lease, Payments to be Received, Thereafter", "verboseLabel": "Thereafter" } } }, "localname": "LessorOperatingLeasePaymentsToBeReceivedThereafter", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OperatingLeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears": { "auth_ref": [ "r427" ], "calculation": { "http://shipfinance.bm/role/OperatingLeasesDetails": { "order": 3.0, "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of lease payments to be received by lessor in third fiscal year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.", "label": "Lessor, Operating Lease, Payments to be Received, Three Years", "terseLabel": "2022" } } }, "localname": "LessorOperatingLeasePaymentsToBeReceivedThreeYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OperatingLeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears": { "auth_ref": [ "r427" ], "calculation": { "http://shipfinance.bm/role/OperatingLeasesDetails": { "order": 2.0, "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of lease payments to be received by lessor in second fiscal year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.", "label": "Lessor, Operating Lease, Payments to be Received, Two Years", "verboseLabel": "2021" } } }, "localname": "LessorOperatingLeasePaymentsToBeReceivedTwoYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OperatingLeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_Liabilities": { "auth_ref": [ "r55" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "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://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "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://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilitiesAndStockholdersEquity": { "auth_ref": [ "r42", "r471", "r490" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "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 stockholders' equity" } } }, "localname": "LiabilitiesAndStockholdersEquity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesAndStockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Liabilities and Equity [Abstract]", "terseLabel": "LIABILITIES AND STOCKHOLDERS' EQUITY" } } }, "localname": "LiabilitiesAndStockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilitiesCurrent": { "auth_ref": [ "r58" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.", "label": "Liabilities, Current", "totalLabel": "Total current liabilities" } } }, "localname": "LiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesCurrentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Liabilities, Current [Abstract]", "verboseLabel": "Current liabilities" } } }, "localname": "LiabilitiesCurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilitiesFairValueDisclosure": { "auth_ref": [ "r372" ], "calculation": { "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails": { "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://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesNoncurrentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Liabilities, Noncurrent [Abstract]", "terseLabel": "Long term liabilities" } } }, "localname": "LiabilitiesNoncurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent": { "auth_ref": [ "r0", "r1", "r8", "r10", "r238", "r247" ], "calculation": { "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroupsDetails": { "order": 3.0, "parentTag": "sfl_DisposalgroupNetassets", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of beyond one year or the normal operating cycle, if longer.", "label": "Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent", "negatedTerseLabel": "Charter deposit" } } }, "localname": "LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroupsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LineOfCredit": { "auth_ref": [ "r32", "r470", "r485" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.", "label": "Long-term Line of Credit", "terseLabel": "Long-term line of credit" } } }, "localname": "LineOfCredit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LineOfCreditFacilityAxis": { "auth_ref": [ "r53", "r144" ], "lang": { "en-US": { "role": { "documentation": "Information by name of lender, which may be a single entity (for example, but not limited to, a bank, pension fund, venture capital firm) or a group of entities that participate in the line of credit.", "label": "Lender Name [Axis]", "terseLabel": "Lender Name [Axis]" } } }, "localname": "LineOfCreditFacilityAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LineOfCreditFacilityCommitmentFeeAmount": { "auth_ref": [ "r53" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the fee for available but unused credit capacity under the credit facility.", "label": "Line of Credit Facility, Commitment Fee Amount", "terseLabel": "Commitment fee amount" } } }, "localname": "LineOfCreditFacilityCommitmentFeeAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LineOfCreditFacilityLenderDomain": { "auth_ref": [ "r53" ], "lang": { "en-US": { "role": { "documentation": "Identification of the lender, which may be a single entity (for example, a bank, pension fund, venture capital firm) or a group of entities that participate in the line of credit, including a letter of credit facility.", "label": "Line of Credit Facility, Lender [Domain]", "terseLabel": "Line of Credit Facility, Lender [Domain]" } } }, "localname": "LineOfCreditFacilityLenderDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity": { "auth_ref": [ "r53" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).", "label": "Line of Credit Facility, Remaining Borrowing Capacity", "terseLabel": "Available amount under revolving part of credit facility" } } }, "localname": "LineOfCreditFacilityRemainingBorrowingCapacity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock": { "auth_ref": [ "r201" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses.", "label": "Loans, Notes, Trade and Other Receivables Disclosure [Text Block]", "verboseLabel": "TRADE ACCOUNTS RECEIVABLE AND OTHER RECEIVABLES" } } }, "localname": "LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/TradeAccountsReceivableAndOtherReceivables" ], "xbrltype": "textBlockItemType" }, "us-gaap_LongTermDebt": { "auth_ref": [ "r32", "r273", "r470", "r487" ], "calculation": { "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfDebtPrincipalDetails": { "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", "terseLabel": "Long-term debt", "totalLabel": "Total debt principal", "verboseLabel": "Term loan facility, amount outstanding" } } }, "localname": "LongTermDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfDebtPrincipalDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Long-term Debt, by Current and Noncurrent [Abstract]" } } }, "localname": "LongTermDebtByCurrentAndNoncurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_LongTermDebtCurrent": { "auth_ref": [ "r54" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.", "label": "Long-term Debt, Current Maturities", "negatedTerseLabel": "Less : current portion of long-term debt" } } }, "localname": "LongTermDebtCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive": { "auth_ref": [ "r150", "r267" ], "calculation": { "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfDebtPrincipalDetails": { "order": 6.0, "parentTag": "us-gaap_LongTermDebt", "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://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfDebtPrincipalDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths": { "auth_ref": [ "r150", "r267" ], "calculation": { "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfDebtPrincipalDetails": { "order": 1.0, "parentTag": "us-gaap_LongTermDebt", "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 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": "Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months", "terseLabel": "2020" } } }, "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfDebtPrincipalDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive": { "auth_ref": [ "r150", "r267" ], "calculation": { "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfDebtPrincipalDetails": { "order": 5.0, "parentTag": "us-gaap_LongTermDebt", "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://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfDebtPrincipalDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour": { "auth_ref": [ "r150", "r267" ], "calculation": { "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfDebtPrincipalDetails": { "order": 4.0, "parentTag": "us-gaap_LongTermDebt", "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://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfDebtPrincipalDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree": { "auth_ref": [ "r150", "r267" ], "calculation": { "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfDebtPrincipalDetails": { "order": 3.0, "parentTag": "us-gaap_LongTermDebt", "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://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfDebtPrincipalDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo": { "auth_ref": [ "r150", "r267" ], "calculation": { "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfDebtPrincipalDetails": { "order": 2.0, "parentTag": "us-gaap_LongTermDebt", "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://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfDebtPrincipalDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtNoncurrent": { "auth_ref": [ "r60" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.", "label": "Long-term Debt, Excluding Current Maturities", "terseLabel": "Long term debt", "verboseLabel": "Total long-term debt, non-current portion" } } }, "localname": "LongTermDebtNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermPurchaseCommitmentAmount": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The minimum amount the entity agreed to spend under the long-term purchase commitment.", "label": "Long-term Purchase Commitment, Amount", "terseLabel": "Long-term purchase commitment, amount" } } }, "localname": "LongTermPurchaseCommitmentAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongtermDebtTypeAxis": { "auth_ref": [ "r60" ], "lang": { "en-US": { "role": { "documentation": "Information by type of long-term debt.", "label": "Long-term Debt, Type [Axis]", "terseLabel": "Long-term Debt, Type [Axis]" } } }, "localname": "LongtermDebtTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails", "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LongtermDebtTypeDomain": { "auth_ref": [ "r60", "r268" ], "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": "Long-term Debt, Type [Domain]", "terseLabel": "Long-term Debt, Type [Domain]" } } }, "localname": "LongtermDebtTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails", "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LossContingenciesLineItems": { "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": "Loss Contingencies [Line Items]", "terseLabel": "Loss Contingencies [Line Items]" } } }, "localname": "LossContingenciesLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LossContingenciesTable": { "auth_ref": [ "r253", "r254", "r255", "r256", "r257", "r258", "r259", "r261", "r262" ], "lang": { "en-US": { "role": { "documentation": "Discloses the specific components (such as the nature, name, and date) of the loss contingency and gives an estimate of the possible loss or range of loss, or states that a reasonable estimate cannot be made. Excludes environmental contingencies, warranties and unconditional purchase obligations.", "label": "Loss Contingencies [Table]", "terseLabel": "Loss Contingencies [Table]" } } }, "localname": "LossContingenciesTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_MarketableSecurities": { "auth_ref": [ "r474" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in marketable security.", "label": "Marketable Securities", "terseLabel": "Fair value" } } }, "localname": "MarketableSecurities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of unrealized and realized gain (loss) on investment in marketable security, excluding other-than-temporary impairment (OTTI).", "label": "Marketable Securities, Gain (Loss), Excluding Other-than-temporary Impairment Loss", "terseLabel": "Gain (loss) on redemption" } } }, "localname": "MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_MarketableSecuritiesPolicy": { "auth_ref": [ "r480" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for investment classified as marketable security.", "label": "Marketable Securities, Policy [Policy Text Block]", "verboseLabel": "Investment in debt and equity securities" } } }, "localname": "MarketableSecuritiesPolicy", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_MinorityInterestOwnershipPercentageByParent": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The parent entity's interest in net assets of the subsidiary, expressed as a percentage.", "label": "Noncontrolling Interest, Ownership Percentage by Parent", "terseLabel": "Noncontrolling Interest, Ownership Percentage by Parent" } } }, "localname": "MinorityInterestOwnershipPercentageByParent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails" ], "xbrltype": "percentItemType" }, "us-gaap_NatureOfOperations": { "auth_ref": [ "r171", "r183" ], "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]", "verboseLabel": "GENERAL" } } }, "localname": "NatureOfOperations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/General" ], "xbrltype": "textBlockItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivities": { "auth_ref": [ "r123" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "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://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Cash Provided by (Used in) Financing Activities [Abstract]", "terseLabel": "Financing activities" } } }, "localname": "NetCashProvidedByUsedInFinancingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivities": { "auth_ref": [ "r123" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "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://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Cash Provided by (Used in) Investing Activities [Abstract]", "terseLabel": "Investing activities" } } }, "localname": "NetCashProvidedByUsedInInvestingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivities": { "auth_ref": [ "r123", "r125", "r128" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "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 operating activities" } } }, "localname": "NetCashProvidedByUsedInOperatingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Cash Provided by (Used in) Operating Activities [Abstract]", "terseLabel": "Operating activities" } } }, "localname": "NetCashProvidedByUsedInOperatingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_NetIncomeLoss": { "auth_ref": [ "r85", "r88", "r94", "r128", "r166", "r477", "r496" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://shipfinance.bm/role/ConsolidatedStatementsOfComprehensiveIncome": { "order": 1.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": 1.0 }, "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "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", "verboseLabel": "Net income" } } }, "localname": "NetIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows", "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/ConsolidatedStatementsOfComprehensiveIncome", "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic": { "auth_ref": [ "r153", "r157" ], "calculation": { "http://shipfinance.bm/role/EarningsPerShareDetails": { "order": 1.0, "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.", "label": "Net Income (Loss) Available to Common Stockholders, Basic", "terseLabel": "Net income available to stockholders" } } }, "localname": "NetIncomeLossAvailableToCommonStockholdersBasic", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/EarningsPerShareDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted": { "auth_ref": [ "r157", "r158" ], "calculation": { "http://shipfinance.bm/role/EarningsPerShareDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders.", "label": "Net Income (Loss) Available to Common Stockholders, Diluted", "totalLabel": "Net income assuming dilution" } } }, "localname": "NetIncomeLossAvailableToCommonStockholdersDiluted", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/EarningsPerShareDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetInvestmentInDirectFinancingAndSalesTypeLeasesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Investment in Direct Financing and Sales Type Leases [Abstract]" } } }, "localname": "NetInvestmentInDirectFinancingAndSalesTypeLeasesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "New Accounting Pronouncements and Changes in Accounting Principles [Abstract]" } } }, "localname": "NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems": { "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": "New Accounting Pronouncements or Change in Accounting Principle [Line Items]", "terseLabel": "New Accounting Pronouncements or Change in Accounting Principle [Line Items]" } } }, "localname": "NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RecentlyIssuedAccountingStandardsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable": { "auth_ref": [ "r152", "r154" ], "lang": { "en-US": { "role": { "documentation": "Summarization of the changes in an accounting principle or a new accounting pronouncement, including the line items affected by the change and the financial effects of the change on those particular line items.", "label": "New Accounting Pronouncements or Change in Accounting Principle [Table]", "terseLabel": "New Accounting Pronouncements or Change in Accounting Principle [Table]" } } }, "localname": "NewAccountingPronouncementsOrChangeInAccountingPrincipleTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RecentlyIssuedAccountingStandardsDetails" ], "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": "Recently Adopted Accounting Standards" } } }, "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_NondesignatedMember": { "auth_ref": [ "r349" ], "lang": { "en-US": { "role": { "documentation": "Derivative instrument not designated as hedging instrument under Generally Accepted Accounting Principles (GAAP).", "label": "Not Designated as Hedging Instrument [Member]", "terseLabel": "Not Designated as Hedging Instrument [Member]" } } }, "localname": "NondesignatedMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsInterestRateRiskManagementDetails" ], "xbrltype": "domainItemType" }, "us-gaap_NonoperatingIncomeExpenseAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Nonoperating Income (Expense) [Abstract]", "terseLabel": "Non-operating income / (expense)" } } }, "localname": "NonoperatingIncomeExpenseAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "stringItemType" }, "us-gaap_NotesReceivableFairValueDisclosure": { "auth_ref": [ "r65" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value portion of an agreement for an unconditional promise by the maker to pay the holder a definite sum of money at a future date.", "label": "Notes Receivable, Fair Value Disclosure", "terseLabel": "Initial fair value of note" } } }, "localname": "NotesReceivableFairValueDisclosure", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherFinancialItemsNetDetails" ], "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 segments" } } }, "localname": "NumberOfReportableSegments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/SegmentInformationDetails" ], "xbrltype": "integerItemType" }, "us-gaap_OfficeEquipmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tangible personal property used in an office setting. Examples include, but are not limited to, computers, copiers and fax machine.", "label": "Office Equipment [Member]", "terseLabel": "Office Equipment [Member]" } } }, "localname": "OfficeEquipmentMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_OperatingExpenses": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.", "label": "Operating Expenses", "totalLabel": "Total operating expenses" } } }, "localname": "OperatingExpenses", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingExpensesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Operating Expenses [Abstract]", "terseLabel": "Operating expenses" } } }, "localname": "OperatingExpensesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "stringItemType" }, "us-gaap_OperatingIncomeLoss": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The net result for the period of deducting operating expenses from operating revenues.", "label": "Operating Income (Loss)", "totalLabel": "Net operating income" } } }, "localname": "OperatingIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesIncomeStatementLeaseRevenue": { "auth_ref": [ "r410" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue.", "label": "Operating Leases, Income Statement, Lease Revenue", "verboseLabel": "Operating lease income" } } }, "localname": "OperatingLeasesIncomeStatementLeaseRevenue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsSummaryOfLeasingRevenuesEarnedFromRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesOfLessorDisclosureTextBlock": { "auth_ref": [ "r408", "r409", "r435" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for lessor's operating leases.", "label": "Lessor, Operating Leases [Text Block]", "verboseLabel": "OPERATING LEASES" } } }, "localname": "OperatingLeasesOfLessorDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OperatingLeases" ], "xbrltype": "textBlockItemType" }, "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Organization, Consolidation and Presentation of Financial Statements [Abstract]" } } }, "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_OtherAccruedLiabilitiesCurrent": { "auth_ref": [ "r22", "r23", "r24", "r56" ], "calculation": { "http://shipfinance.bm/role/OtherCurrentLiabilitiesDetails": { "order": 3.0, "parentTag": "us-gaap_OtherLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.", "label": "Other Accrued Liabilities, Current", "terseLabel": "Other items" } } }, "localname": "OtherAccruedLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherCurrentLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherAccruedLiabilitiesNoncurrent": { "auth_ref": [ "r62" ], "calculation": { "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfOtherLongTermLiabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_OtherLiabilitiesNoncurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of expenses incurred but not yet paid classified as other, due after one year or the normal operating cycle, if longer.", "label": "Other Accrued Liabilities, Noncurrent", "terseLabel": "Other items" } } }, "localname": "OtherAccruedLiabilitiesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfOtherLongTermLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherAdditionalCapital": { "auth_ref": [ "r66", "r105" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of additional paid-in capital (APIC) classified as other.", "label": "Other Additional Capital", "terseLabel": "Contributed surplus" } } }, "localname": "OtherAdditionalCapital", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherAdditionalCapitalMember": { "auth_ref": [ "r67", "r105", "r270" ], "lang": { "en-US": { "role": { "documentation": "This element represents a category to capture additional Paid-in Capital other than attributable to capital contributed by shareholders in excess of the par or stated value of the common or preferred stock issued by an entity. Certain entities report two components of additional Paid-in Capital consisting of (i) capital in excess of par or stated value and (ii) other additional capital. This member is only to be used if the entity distinguishes between additional Paid-in Capital and other additional capital in its financial statements. If using this element, the preparer would be expected to elevate the Other Additional Capital [Member] to the same level as the Additional Paid-in Capital [Member].", "label": "Other Additional Capital [Member]", "terseLabel": "Contributed surplus" } } }, "localname": "OtherAdditionalCapitalMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_OtherAssetImpairmentCharges": { "auth_ref": [ "r127", "r245" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 7.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://shipfinance.bm/role/OtherFinancialItemsNetDetails": { "order": 5.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value.", "label": "Other Asset Impairment Charges", "terseLabel": "Impairment of long-term receivables" } } }, "localname": "OtherAssetImpairmentCharges", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows", "http://shipfinance.bm/role/OtherFinancialItemsNetDetails", "http://shipfinance.bm/role/OtherLongTermAssetsOtherLongTermAssetsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherAssetsDisclosureTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for other assets. This disclosure includes other current assets and other noncurrent assets.", "label": "Other Assets Disclosure [Text Block]", "verboseLabel": "OTHER LONG TERM ASSETS" } } }, "localname": "OtherAssetsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherLongTermAssets" ], "xbrltype": "textBlockItemType" }, "us-gaap_OtherAssetsMiscellaneousNoncurrent": { "auth_ref": [], "calculation": { "http://shipfinance.bm/role/OtherLongTermAssetsScheduleOfLongTermAssetsDetails": { "order": 5.0, "parentTag": "us-gaap_OtherAssetsNoncurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer.", "label": "Other Assets, Miscellaneous, Noncurrent", "terseLabel": "Other" } } }, "localname": "OtherAssetsMiscellaneousNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherLongTermAssetsScheduleOfLongTermAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherAssetsNoncurrent": { "auth_ref": [ "r50" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 7.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://shipfinance.bm/role/OtherLongTermAssetsScheduleOfLongTermAssetsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of noncurrent assets classified as other.", "label": "Other Assets, Noncurrent", "terseLabel": "Other long term assets", "totalLabel": "Total other long-term assets" } } }, "localname": "OtherAssetsNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/OtherLongTermAssetsScheduleOfLongTermAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember": { "auth_ref": [ "r242" ], "lang": { "en-US": { "role": { "documentation": "All other long term capitalized assets related to property plant and equipment not otherwise previously categorized.", "label": "Other Capitalized Property Plant and Equipment [Member]", "terseLabel": "Other Capitalized Property Plant and Equipment" } } }, "localname": "OtherCapitalizedPropertyPlantAndEquipmentMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_OtherCommitment": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.", "label": "Other Commitment", "terseLabel": "Other commitment" } } }, "localname": "OtherCommitment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherCommitmentsAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by type of other commitment.", "label": "Other Commitments [Axis]", "terseLabel": "Other Commitments [Axis]" } } }, "localname": "OtherCommitmentsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OtherCommitmentsDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Other future obligation.", "label": "Other Commitments [Domain]", "terseLabel": "Other Commitments [Domain]" } } }, "localname": "OtherCommitmentsDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_OtherCommitmentsLineItems": { "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": "Other Commitments [Line Items]", "terseLabel": "Other Commitments [Line Items]" } } }, "localname": "OtherCommitmentsLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesBookValueOfAssetsPledgedDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OtherCommitmentsTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about obligations resulting from other commitments.", "label": "Other Commitments [Table]", "terseLabel": "Other Commitments [Table]" } } }, "localname": "OtherCommitmentsTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesBookValueOfAssetsPledgedDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToNoncontrollingInterest": { "auth_ref": [ "r330", "r331", "r332" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfComprehensiveIncome": { "order": 2.0, "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss), attributable to noncontrolling interests.", "label": "Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Noncontrolling Interest", "negatedTerseLabel": "Fair value adjustments to hedging financial instruments in associated companies" } } }, "localname": "OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToNoncontrollingInterest", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/ConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent": { "auth_ref": [ "r330", "r331", "r332" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfComprehensiveIncome": { "order": 1.0, "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss), attributable to parent entity.", "label": "Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent", "terseLabel": "Fair value adjustments to hedging financial instruments", "verboseLabel": "Fair value adjustments to hedging financial instruments" } } }, "localname": "OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/ConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax": { "auth_ref": [ "r75", "r76", "r79" ], "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), Securities, Available-for-sale, Adjustment, after Tax", "terseLabel": "Fair value adjustments to available-for-sale securities" } } }, "localname": "OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax": { "auth_ref": [ "r79", "r82" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfComprehensiveIncome": { "order": 3.0, "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.", "label": "Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax", "negatedLabel": "Earnings reclassification of previously deferred fair value adjustments to hedging financial instruments" } } }, "localname": "OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossNetOfTax": { "auth_ref": [ "r86", "r89", "r91", "r281" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfComprehensiveIncome": { "order": 2.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "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", "totalLabel": "Other comprehensive (loss)/income, net of tax" } } }, "localname": "OtherComprehensiveIncomeLossNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesNetOfTax": { "auth_ref": [ "r79", "r82", "r83" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfComprehensiveIncome": { "order": 5.0, "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized loss realized upon the write-down of available-for-sale securities.", "label": "Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Write-down of Securities, Net of Tax", "terseLabel": "Earnings reclassification of previously deferred fair value adjustments to investment securities classified as available-for-sale securities", "verboseLabel": "Earnings reclassification of previously deferred fair value adjustments to available-for-sale securities" } } }, "localname": "OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/ConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax": { "auth_ref": [ "r79", "r82", "r83", "r350" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).", "label": "Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax", "negatedTerseLabel": "Earnings reclassification of previously deferred fair value adjustments to hedging financial instruments" } } }, "localname": "OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax": { "auth_ref": [ "r75", "r79" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfComprehensiveIncome": { "order": 4.0, "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.", "label": "Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, after Tax", "terseLabel": "Fair value adjustments to investment securities classified as available-for-sale" } } }, "localname": "OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherIncome": { "auth_ref": [ "r499" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of revenue and income classified as other.", "label": "Other Income", "terseLabel": "Net fee income" } } }, "localname": "OtherIncome", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherIncomeAndExpensesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Other Income and Expenses [Abstract]" } } }, "localname": "OtherIncomeAndExpensesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock": { "auth_ref": [ "r293", "r327" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions.", "label": "Other Income and Other Expense Disclosure [Text Block]", "verboseLabel": "OTHER FINANCIAL ITEMS, NET" } } }, "localname": "OtherIncomeAndOtherExpenseDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherFinancialItemsNet" ], "xbrltype": "textBlockItemType" }, "us-gaap_OtherInterestAndDividendIncome": { "auth_ref": [ "r479" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 4.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after discount, accretion and premium amortization, of interest income and dividend income classified as other.", "label": "Other Interest and Dividend Income", "terseLabel": "Interest income \u2013 other" } } }, "localname": "OtherInterestAndDividendIncome", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherLiabilitiesCurrent": { "auth_ref": [ "r21", "r22", "r56" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 6.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 }, "http://shipfinance.bm/role/OtherCurrentLiabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.", "label": "Other Liabilities, Current", "totalLabel": "Other current liabilities", "verboseLabel": "Other current liabilities" } } }, "localname": "OtherLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/OtherCurrentLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherLiabilitiesDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Other Liabilities Disclosure [Abstract]" } } }, "localname": "OtherLiabilitiesDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_OtherLiabilitiesDisclosureTextBlock": { "auth_ref": [ "r57" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for other liabilities.", "label": "Other Liabilities Disclosure [Text Block]", "verboseLabel": "FINANCE LEASE LIABILITY AND OTHER LONG-TERM LIABILITIES" } } }, "localname": "OtherLiabilitiesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilities" ], "xbrltype": "textBlockItemType" }, "us-gaap_OtherLiabilitiesNoncurrent": { "auth_ref": [ "r62" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 }, "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfOtherLongTermLiabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.", "label": "Other Liabilities, Noncurrent", "terseLabel": "Other long term liabilities", "totalLabel": "Other long-term liabilities" } } }, "localname": "OtherLiabilitiesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesScheduleOfOtherLongTermLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherNoncashIncomeExpense": { "auth_ref": [ "r128" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 16.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other.", "label": "Other Noncash Income (Expense)", "negatedLabel": "Other, net" } } }, "localname": "OtherNoncashIncomeExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherNonoperatingExpense": { "auth_ref": [ "r104" ], "calculation": { "http://shipfinance.bm/role/OtherFinancialItemsNetDetails": { "order": 4.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of expense related to nonoperating activities, classified as other.", "label": "Other Nonoperating Expense", "negatedLabel": "Other items" } } }, "localname": "OtherNonoperatingExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherFinancialItemsNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherNonoperatingIncomeExpense": { "auth_ref": [ "r104" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 8.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "weight": 1.0 }, "http://shipfinance.bm/role/OtherFinancialItemsNetDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of income (expense) related to nonoperating activities, classified as other.", "label": "Other Nonoperating Income (Expense)", "terseLabel": "Other financial items, net", "totalLabel": "Total other financial items, net" } } }, "localname": "OtherNonoperatingIncomeExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations", "http://shipfinance.bm/role/OtherFinancialItemsNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherOperatingIncome": { "auth_ref": [ "r101" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 11.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The total amount of other operating income, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operation.", "label": "Other Operating Income", "terseLabel": "Other operating income" } } }, "localname": "OtherOperatingIncome", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherReceivables": { "auth_ref": [ "r70" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 6.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount due from parties in nontrade transactions, classified as other.", "label": "Other Receivables", "terseLabel": "Other receivables" } } }, "localname": "OtherReceivables", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale": { "auth_ref": [ "r205" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of other-than-temporary impairment (OTTI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized in earnings and other comprehensive loss (OCI).", "label": "Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale", "terseLabel": "Aggregate impairment charge" } } }, "localname": "OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings": { "auth_ref": [ "r205" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of other-than-temporary impairment (OTTI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized in earnings.", "label": "Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale, Recognized in Earnings", "terseLabel": "Accumulated other-than-temporary impairment" } } }, "localname": "OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfMarketableSecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities": { "auth_ref": [ "r77", "r205" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, before tax, of other-than-temporary impairment (OTTI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized in other comprehensive income (OCI).", "label": "Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale, Portion in Other Comprehensive Loss, before Tax, Including Portion Attributable to Noncontrolling Interest", "terseLabel": "Impairment charge" } } }, "localname": "OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OwnshareLendingArrangementSharesIssued": { "auth_ref": [ "r271" ], "lang": { "en-US": { "role": { "documentation": "The number of shares issued in connection with an own-share lending arrangement entered into by the entity, in contemplation of a convertible debt offering or other financing.", "label": "Own-share Lending Arrangement, Shares, Issued", "verboseLabel": "Common stock, shares loaned to affiliate (in shares)" } } }, "localname": "OwnshareLendingArrangementSharesIssued", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/EarningsPerShareNarrativeDetails", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_OwnshareLendingArrangementSharesOutstanding": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of shares outstanding as of the date of the statement of financial position in connection with an own-share lending arrangement entered into by the entity, in contemplation of a convertible debt offering or other financing.", "label": "Own-share Lending Arrangement, Shares, Outstanding", "terseLabel": "Common shares loan to affiliate" } } }, "localname": "OwnshareLendingArrangementSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_PaymentsForDerivativeInstrumentFinancingActivities": { "auth_ref": [ "r117", "r122" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow for derivative instruments during the period, which are classified as financing activities, excluding those designated as hedging instruments.", "label": "Payments for Derivative Instrument, Financing Activities", "negatedTerseLabel": "Principal settlements of cross currency swaps, net" } } }, "localname": "PaymentsForDerivativeInstrumentFinancingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsForProceedsFromInvestments": { "auth_ref": [ "r149" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 6.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The net cash paid (received) associated with the acquisition or disposal of all investments, including securities and other assets.", "label": "Payments for (Proceeds from) Investments", "negatedLabel": "Other investments and long-term assets, net" } } }, "localname": "PaymentsForProceedsFromInvestments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsOfDividendsCommonStock": { "auth_ref": [ "r115" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 8.0, "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 Ordinary Dividends, Common Stock", "negatedLabel": "Cash dividends paid" } } }, "localname": "PaymentsOfDividendsCommonStock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsOfFinancingCosts": { "auth_ref": [ "r118" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 6.0, "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": "Debt fees paid" } } }, "localname": "PaymentsOfFinancingCosts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt": { "auth_ref": [ "r106", "r111", "r204" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash outflow to acquire investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Payments to Acquire Debt Securities, Available-for-sale", "terseLabel": "Additions during the year" } } }, "localname": "PaymentsToAcquireAvailableForSaleSecuritiesDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfMarketableSecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquireMarketableSecurities": { "auth_ref": [ "r204" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash outflow for purchase of marketable security.", "label": "Payments to Acquire Marketable Securities", "terseLabel": "Shares acquired" } } }, "localname": "PaymentsToAcquireMarketableSecurities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquireOtherProductiveAssets": { "auth_ref": [ "r112" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 7.0, "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", "negatedTerseLabel": "Other long-term assets acquired" } } }, "localname": "PaymentsToAcquireOtherProductiveAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PlanNameAxis": { "auth_ref": [ "r301", "r321" ], "lang": { "en-US": { "role": { "documentation": "Information by plan name for share-based payment arrangement.", "label": "Plan Name [Axis]", "terseLabel": "Plan Name [Axis]" } } }, "localname": "PlanNameAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/SubsequentEventsDetails" ], "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://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PledgedAssetsNotSeparatelyReportedOnStatementOfFinancialPosition": { "auth_ref": [ "r452" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The carrying amount, as of the date of the latest financial statement presented, of all assets that are pledged as collateral for the payment of the related debt obligation primarily arising from secured borrowings, repurchase agreements or other current or potential obligations, where the secured party does not have the right by contract or custom to sell or re-pledge the collateral and therefore are not reclassified and separately reported in the statement of financial position.", "label": "Pledged Assets, Other, Not Separately Reported on Statement of Financial Position", "terseLabel": "Book value of consolidated assets pledged under ship mortgages", "verboseLabel": "Book value of assets pledged under ship mortgages" } } }, "localname": "PledgedAssetsNotSeparatelyReportedOnStatementOfFinancialPosition", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesBookValueOfAssetsPledgedDetails", "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PortionAtFairValueFairValueDisclosureMember": { "auth_ref": [ "r384" ], "lang": { "en-US": { "role": { "documentation": "Measured at fair value for financial reporting purposes.", "label": "Portion at Fair Value Measurement [Member]", "terseLabel": "Portion at Fair Value Measurement [Member]" } } }, "localname": "PortionAtFairValueFairValueDisclosureMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsFairValueAndCarryingValueDetails", "http://shipfinance.bm/role/FinancialInstrumentsFairValueHierarchyDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries": { "auth_ref": [ "r109" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 8.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow associated with the deconsolidation of a previously consolidated subsidiary or the sale of investment in consolidated subsidiaries (generally greater than 50 percent).", "label": "Proceeds from Divestiture of Interest in Consolidated Subsidiaries", "terseLabel": "Proceeds from sale of subsidiaries, net of cash disposed of" } } }, "localname": "ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromDividendsReceived": { "auth_ref": [ "r119" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Dividends received on equity and other investments during the current period.", "label": "Proceeds from Dividends Received", "terseLabel": "Final dividend distribution" } } }, "localname": "ProceedsFromDividendsReceived", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromIssuanceOfCommonStock": { "auth_ref": [ "r113" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 1.0, "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", "verboseLabel": "Proceeds from shares issued, net of issuance costs" } } }, "localname": "ProceedsFromIssuanceOfCommonStock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromLongTermCapitalLeaseObligations": { "auth_ref": [ "r114" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 9.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from proceeds received from lessor related to a long-term capital lease obligation.", "label": "Proceeds from Long-term Capital Lease Obligations", "terseLabel": "Proceeds from finance leases" } } }, "localname": "ProceedsFromLongTermCapitalLeaseObligations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties": { "auth_ref": [ "r149" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow or outflow associated with long-term loans for related parties where one party can exercise control or significant influence over another party, including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from (Payments for) Advances to Affiliates.", "label": "Proceeds from Collection of (Payments to Fund) Long-term Loans to Related Parties", "terseLabel": "Net amounts received from/(paid to) associated companies" } } }, "localname": "ProceedsFromPaymentsForLongTermLoansForRelatedParties", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities": { "auth_ref": [ "r106", "r107", "r204" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow from sale, maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Proceeds from Sale and Maturity of Debt Securities, Available-for-sale", "negatedTerseLabel": "Disposals during the year", "terseLabel": "Disposals during the year" } } }, "localname": "ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfMarketableSecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromSaleAndMaturityOfTradingSecuritiesHeldforinvestment": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow associated with the sale, maturities, repayments and calls of securities classified as trading securities and held for investment purposes. Excludes proceeds from trading securities purchased and held principally for the purpose of selling them in the near term (thus held for only a short period of time).", "label": "Proceeds from Sale and Maturity of Debt and Equity Securities, FV-NI, Held-for-investment", "terseLabel": "Disposals during the year" } } }, "localname": "ProceedsFromSaleAndMaturityOfTradingSecuritiesHeldforinvestment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities": { "auth_ref": [ "r108", "r204" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.", "label": "Proceeds from Sale of Available-for-sale Securities", "terseLabel": "Proceeds received in settlement of total investment" } } }, "localname": "ProceedsFromSaleOfAvailableForSaleSecurities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt": { "auth_ref": [ "r106", "r107", "r204" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Proceeds from Sale of Debt Securities, Available-for-sale", "terseLabel": "Net proceeds received" } } }, "localname": "ProceedsFromSaleOfAvailableForSaleSecuritiesDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromSaleOfTradingSecuritiesHeldforinvestment": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow associated with the sale of securities classified as trading securities and held for investment purposes. Excludes proceeds from trading securities purchased and held principally for the purpose of selling them in the near term (thus held for only a short period of time).", "label": "Proceeds from Sale of Debt and Equity Securities, FV-NI, Held-for-investment", "terseLabel": "Disposition of investment" } } }, "localname": "ProceedsFromSaleOfTradingSecuritiesHeldforinvestment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets": { "auth_ref": [ "r110" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Aggregate cash proceeds received from a combination of transactions in which noncurrent assets are sold, which may include the sale of a business, an investment in an affiliate (including an equity method investee), property, plant and equipment and intangible assets. Excludes sales of trading, available-for-sale, and held-to-maturity securities.", "label": "Proceeds from Sales of Business, Affiliate and Productive Assets", "terseLabel": "Net proceeds received" } } }, "localname": "ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroupsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromStockOptionsExercised": { "auth_ref": [ "r113", "r322" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow from exercise of option under share-based payment arrangement.", "label": "Proceeds from Stock Options Exercised", "terseLabel": "Proceeds from stock options exercised" } } }, "localname": "ProceedsFromStockOptionsExercised", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Property, Plant and Equipment [Abstract]" } } }, "localname": "PropertyPlantAndEquipmentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentByTypeAxis": { "auth_ref": [ "r49", "r244" ], "lang": { "en-US": { "role": { "documentation": "Information by type of long-lived, physical assets used to produce goods and services and not intended for resale.", "label": "Property, Plant and Equipment, Type [Axis]", "terseLabel": "Property, Plant and Equipment, Type [Axis]" } } }, "localname": "PropertyPlantAndEquipmentByTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesDetails", "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesBookValueOfAssetsPledgedDetails", "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "http://shipfinance.bm/role/OperatingLeasesDetails", "http://shipfinance.bm/role/OtherLongTermAssetsOtherLongTermAssetsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetScheduleOfVesselsAndEquipmentDetails", "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock": { "auth_ref": [ "r251" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.", "label": "Property, Plant and Equipment Disclosure [Text Block]", "verboseLabel": "VESSELS AND EQUIPMENT, NET" } } }, "localname": "PropertyPlantAndEquipmentDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/VesselsAndEquipmentNet" ], "xbrltype": "textBlockItemType" }, "us-gaap_PropertyPlantAndEquipmentGross": { "auth_ref": [ "r48", "r242" ], "calculation": { "http://shipfinance.bm/role/OperatingLeasesDetails": { "order": 1.0, "parentTag": "us-gaap_PropertyPlantAndEquipmentNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.", "label": "Property, Plant and Equipment, Gross", "terseLabel": "Cost" } } }, "localname": "PropertyPlantAndEquipmentGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OperatingLeasesDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetScheduleOfVesselsAndEquipmentDetails" ], "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]", "terseLabel": "Property, Plant and Equipment [Line Items]", "verboseLabel": "Vessels under capital lease, net [Line Items]" } } }, "localname": "PropertyPlantAndEquipmentLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesDetails", "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnTerminationOfChartersDetails", "http://shipfinance.bm/role/OtherLongTermAssetsOtherLongTermAssetsNarrativeDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetScheduleOfVesselsAndEquipmentDetails", "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentNet": { "auth_ref": [ "r28", "r29", "r244", "r491" ], "calculation": { "http://shipfinance.bm/role/OperatingLeasesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.", "label": "Property, Plant and Equipment, Net", "terseLabel": "Investments in leaseback assets", "totalLabel": "Total" } } }, "localname": "PropertyPlantAndEquipmentNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/OperatingLeasesDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetScheduleOfVesselsAndEquipmentDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentPolicyTextBlock": { "auth_ref": [ "r47", "r136", "r244" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, basis of assets, depreciation and depletion methods used, including composite deprecation, estimated useful lives, capitalization policy, accounting treatment for costs incurred for repairs and maintenance, capitalized interest and the method it is calculated, disposals and impairments.", "label": "Property, Plant and Equipment, Policy [Policy Text Block]", "terseLabel": "Vessels and equipment (including operating and finance lease assets)" } } }, "localname": "PropertyPlantAndEquipmentPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_PropertyPlantAndEquipmentTypeDomain": { "auth_ref": [ "r28", "r242" ], "lang": { "en-US": { "role": { "documentation": "Listing of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.", "label": "Property, Plant and Equipment, Type [Domain]", "terseLabel": "Property, Plant and Equipment, Type [Domain]", "verboseLabel": "Property, Plant and Equipment, Type [Domain]" } } }, "localname": "PropertyPlantAndEquipmentTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesDetails", "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesBookValueOfAssetsPledgedDetails", "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "http://shipfinance.bm/role/OperatingLeasesDetails", "http://shipfinance.bm/role/OtherLongTermAssetsOtherLongTermAssetsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetScheduleOfVesselsAndEquipmentDetails", "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PropertyPlantAndEquipmentUsefulLife": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.", "label": "Property, Plant and Equipment, Useful Life", "terseLabel": "Estimated economic useful life (in years)" } } }, "localname": "PropertyPlantAndEquipmentUsefulLife", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesDetails" ], "xbrltype": "durationItemType" }, "us-gaap_PropertySubjectToOperatingLeaseMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Property subject to an operating lease.", "label": "Property Subject to Operating Lease [Member]", "terseLabel": "Property Subject to Operating Lease" } } }, "localname": "PropertySubjectToOperatingLeaseMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PropertySubjectToOrAvailableForOperatingLeaseByMajorPropertyClassTable": { "auth_ref": [ "r411" ], "lang": { "en-US": { "role": { "documentation": "A listing by major property class of the amount of lessor property under a leasing agreement, and available for lease (not currently under lease), at cost, between the lessor and the lessee as of the balance sheet date.", "label": "Property Subject to or Available for Operating Lease, by Major Property Class [Table]", "terseLabel": "Property Subject to or Available for Operating Lease, by Major Property Class [Table]" } } }, "localname": "PropertySubjectToOrAvailableForOperatingLeaseByMajorPropertyClassTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PropertySubjectToOrAvailableForOperatingLeaseLineItems": { "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 Subject to or Available for Operating Lease [Line Items]", "terseLabel": "Property Subject to or Available for Operating Lease [Line Items]" } } }, "localname": "PropertySubjectToOrAvailableForOperatingLeaseLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/VesselsAndEquipmentNetNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PropertySubjectToOrAvailableForOperatingLeaseNet": { "auth_ref": [ "r411" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of property, by major property class, net of accumulated depreciation, subject to or available for lease as of the balance sheet date.", "label": "Property Subject to or Available for Operating Lease, Net", "terseLabel": "Vessels and equipment, net" } } }, "localname": "PropertySubjectToOrAvailableForOperatingLeaseNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLeasingAndServiceContractsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertySubjectToOrAvailableForOperatingLeaseNumberOfUnits": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of units (items of property) under operating lease arrangements.", "label": "Property Subject to or Available for Operating Lease, Number of Units", "terseLabel": "Property Subject to or Available for Operating Lease, Number of Units", "verboseLabel": "Number of vessels leased to related parties classified as operating leases" } } }, "localname": "PropertySubjectToOrAvailableForOperatingLeaseNumberOfUnits", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLeasingAndServiceContractsDetails" ], "xbrltype": "decimalItemType" }, "us-gaap_ReceivableWithImputedInterestFaceAmount": { "auth_ref": [ "r403" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The principal amount of the receivable or note before consideration of the discount or premium.", "label": "Receivable with Imputed Interest, Face Amount", "terseLabel": "Face value of note" } } }, "localname": "ReceivableWithImputedInterestFaceAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherFinancialItemsNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ReceivablesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Receivables [Abstract]" } } }, "localname": "ReceivablesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax": { "auth_ref": [ "r81", "r84", "r91" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of reclassification adjustments of other comprehensive income (loss).", "label": "Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax", "negatedTerseLabel": "Reclassification of of unrealised losses upon adoption of new ASU" } } }, "localname": "ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_RelatedPartyDomain": { "auth_ref": [ "r444" ], "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://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsLongTermReceivablesFromRelatedPartiesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLeasingAndServiceContractsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLoansAssociatedCompainesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfAmountsDueFromAndToRelatedPartiesExcludingDirectFinancingLeasesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfFeesIncurredWithRelatedPartiesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsSummaryOfLeasingRevenuesEarnedFromRelatedPartiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RelatedPartyTransactionAxis": { "auth_ref": [ "r296", "r438", "r440" ], "lang": { "en-US": { "role": { "documentation": "Information by type of related party transaction.", "label": "Related Party Transaction [Axis]", "terseLabel": "Related Party Transaction [Axis]" } } }, "localname": "RelatedPartyTransactionAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "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://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "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 Transaction [Line Items]" } } }, "localname": "RelatedPartyTransactionLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsLongTermReceivablesFromRelatedPartiesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLeasingAndServiceContractsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLoansAssociatedCompainesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyPurchasesAndSalesOfVesselsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfAmountsDueFromAndToRelatedPartiesExcludingDirectFinancingLeasesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfFeesIncurredWithRelatedPartiesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsSummaryOfLeasingRevenuesEarnedFromRelatedPartiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Related Party Transactions [Abstract]" } } }, "localname": "RelatedPartyTransactionsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionsByRelatedPartyAxis": { "auth_ref": [ "r296", "r438", "r440", "r454", "r455", "r456", "r457", "r458", "r459", "r460", "r461", "r462", "r463", "r464", "r465" ], "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]", "terseLabel": "Related Party [Axis]" } } }, "localname": "RelatedPartyTransactionsByRelatedPartyAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsLongTermReceivablesFromRelatedPartiesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLeasingAndServiceContractsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLoansAssociatedCompainesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfAmountsDueFromAndToRelatedPartiesExcludingDirectFinancingLeasesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfFeesIncurredWithRelatedPartiesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsSummaryOfLeasingRevenuesEarnedFromRelatedPartiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionsDisclosureTextBlock": { "auth_ref": [ "r444" ], "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]", "verboseLabel": "RELATED PARTY TRANSACTIONS" } } }, "localname": "RelatedPartyTransactionsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactions" ], "xbrltype": "textBlockItemType" }, "us-gaap_RepaymentOfNotesReceivableFromRelatedParties": { "auth_ref": [ "r107" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from a loan, supported by a promissory note, granted to related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth.", "label": "Repayment of Notes Receivable from Related Parties", "terseLabel": "Repayment of Notes Receivable from Related Parties" } } }, "localname": "RepaymentOfNotesReceivableFromRelatedParties", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsLongTermReceivablesFromRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RepaymentsOfDebt": { "auth_ref": [ "r116" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.", "label": "Repayments of Debt", "terseLabel": "Amount of debt repurchased" } } }, "localname": "RepaymentsOfDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/EarningsPerShareNarrativeDetails", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RepaymentsOfLongTermCapitalLeaseObligations": { "auth_ref": [ "r116" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 7.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow for the obligation for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, if longer).", "label": "Repayments of Long-term Capital Lease Obligations", "negatedTerseLabel": "Repayments of lease obligation liability" } } }, "localname": "RepaymentsOfLongTermCapitalLeaseObligations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_RepaymentsOfSecuredDebt": { "auth_ref": [ "r116" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.", "label": "Repayments of Secured Debt", "terseLabel": "Facility repurchased amount" } } }, "localname": "RepaymentsOfSecuredDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestrictedCash": { "auth_ref": [ "r135", "r467", "r488" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash 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.", "label": "Restricted Cash", "terseLabel": "Restricted cash" } } }, "localname": "RestrictedCash", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestrictedCashCurrent": { "auth_ref": [ "r15", "r26", "r135" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash restricted as to withdrawal or usage, classified as current. 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.", "label": "Restricted Cash, Current", "terseLabel": "Restricted cash" } } }, "localname": "RestrictedCashCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_RetainedEarningsAccumulatedDeficit": { "auth_ref": [ "r39", "r288", "r489" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 4.0, "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" } } }, "localname": "RetainedEarningsAccumulatedDeficit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesDetails", "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/OtherFinancialItemsNetDetails", "http://shipfinance.bm/role/RecentlyIssuedAccountingStandardsDetails" ], "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": "Retained earnings" } } }, "localname": "RetainedEarningsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_RevenueRecognitionPolicyTextBlock": { "auth_ref": [ "r137", "r138" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for revenue. Includes revenue from contract with customer and from other sources.", "label": "Revenue [Policy Text Block]", "terseLabel": "Revenue and expense recognition" } } }, "localname": "RevenueRecognitionPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_Revenues": { "auth_ref": [ "r92", "r184", "r185", "r189" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_OperatingIncomeLoss", "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 operating revenues" } } }, "localname": "Revenues", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_RevenuesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Revenues [Abstract]", "verboseLabel": "Operating revenues" } } }, "localname": "RevenuesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "stringItemType" }, "us-gaap_SaleLeasebackTransactionDescriptionAxis": { "auth_ref": [ "r415", "r436" ], "lang": { "en-US": { "role": { "documentation": "Information pertinent to a sale and leaseback transaction, by transaction.", "label": "Sale Leaseback Transaction, Description [Axis]", "terseLabel": "Sale Leaseback Transaction, Description [Axis]" } } }, "localname": "SaleLeasebackTransactionDescriptionAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SaleLeasebackTransactionLineItems": { "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": "Sale Leaseback Transaction [Line Items]", "terseLabel": "Sale Leaseback Transaction [Line Items]" } } }, "localname": "SaleLeasebackTransactionLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SaleLeasebackTransactionNameDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The name of the significant provisions of the transaction involving the sale of property to another party and the lease of the property back to the seller.", "label": "Sale Leaseback Transaction, Name [Domain]", "terseLabel": "Sale Leaseback Transaction, Name [Domain]" } } }, "localname": "SaleLeasebackTransactionNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SaleLeasebackTransactionTable": { "auth_ref": [ "r407", "r415", "r436" ], "lang": { "en-US": { "role": { "documentation": "A summary of the elements of a transaction involving the entity's sale of property to another party and the lease of the property back to the entity.", "label": "Sale Leaseback Transaction [Table]", "terseLabel": "Sale Leaseback Transaction [Table]" } } }, "localname": "SaleLeasebackTransactionTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsComponentsOfInvestmentsInDirectFinancingAndSalesTypeLeasesDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.", "label": "Sale of Stock, Number of Shares Issued in Transaction", "terseLabel": "Number of shares sold (in shares)" } } }, "localname": "SaleOfStockNumberOfSharesIssuedInTransaction", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_SalesRevenueNetMember": { "auth_ref": [ "r177" ], "lang": { "en-US": { "role": { "documentation": "Revenue from sale of product and rendering of service and other sources of income, when it serves as benchmark in concentration of risk calculation.", "label": "Revenue Benchmark [Member]", "terseLabel": "Revenue Benchmark" } } }, "localname": "SalesRevenueNetMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsConcentrationsOfRiskDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SalesTypeAndDirectFinancingLeasesInterestIncome": { "auth_ref": [ "r432" ], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfInterestIncomeDetails": { "order": 1.0, "parentTag": "sfl_SalesTypeDirectFinancingLeasesAndLeasebackAssetsInterestIncome", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of interest income from net investment in sales-type and direct financing leases.", "label": "Sales-type and Direct Financing Leases, Interest Income", "terseLabel": "Investments in sales type and direct financing leases" } } }, "localname": "SalesTypeAndDirectFinancingLeasesInterestIncome", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfInterestIncomeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivable": { "auth_ref": [ "r426", "r433" ], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfInvestmentsInSalesTypeAndDirectFinancingLeasesAndLeasebackAssetsDetails": { "order": 1.0, "parentTag": "sfl_InvestmentsInSalesTypeAndDirectFinancingLeasesAndSaleLeasebackAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Present value of lease payments not yet received by lessor and amount expected to be derived from underlying asset, following end of lease term guaranteed by lessee or other third party unrelated to lessor, from sales-type and direct financing leases.", "label": "Sales-type and Direct Financing Leases, Lease Receivable", "terseLabel": "Investments in sales-type and direct financing leases" } } }, "localname": "SalesTypeAndDirectFinancingLeasesLeaseReceivable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfInvestmentsInSalesTypeAndDirectFinancingLeasesAndLeasebackAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivableFiscalYearMaturityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Sales-type and Direct Financing Leases, Lease Receivable, Fiscal Year Maturity [Abstract]", "terseLabel": "Sales-Type Leases and Direct Financing Leases" } } }, "localname": "SalesTypeAndDirectFinancingLeasesLeaseReceivableFiscalYearMaturityAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived": { "auth_ref": [ "r426" ], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases.", "label": "Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received", "totalLabel": "Total minimum lease payments to be received", "verboseLabel": "Minimum lease revenues" } } }, "localname": "SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFiveYears": { "auth_ref": [ "r426" ], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails": { "order": 5.0, "parentTag": "us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in fifth fiscal year following latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.", "label": "Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Five Years", "terseLabel": "2024" } } }, "localname": "SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFiveYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears": { "auth_ref": [ "r426" ], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails": { "order": 4.0, "parentTag": "us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in fourth fiscal year following latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Four Years", "terseLabel": "2023" } } }, "localname": "SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths": { "auth_ref": [ "r426" ], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails": { "order": 1.0, "parentTag": "us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in the next fiscal year following latest fiscal year. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.", "label": "Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Next Twelve Months", "terseLabel": "2020" } } }, "localname": "SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThereafter": { "auth_ref": [ "r426" ], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails": { "order": 6.0, "parentTag": "us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases after fifth fiscal year following latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.", "label": "Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Thereafter", "terseLabel": "Thereafter" } } }, "localname": "SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThereafter", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears": { "auth_ref": [ "r426" ], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails": { "order": 3.0, "parentTag": "us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in third fiscal year following latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.", "label": "Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Three Years", "terseLabel": "2022" } } }, "localname": "SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears": { "auth_ref": [ "r426" ], "calculation": { "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails": { "order": 2.0, "parentTag": "us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in second fiscal year following latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.", "label": "Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Two Years", "terseLabel": "2021" } } }, "localname": "SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInSalesTypeLeasesDirectFinancingLeasesAndLeasebackAssetsScheduleOfMinimumFutureGrossRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the (a) carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business (accounts payable); (b) other payables; and (c) accrued liabilities. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). An alternative caption includes accrued expenses.", "label": "Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]", "terseLabel": "Schedule of Other Current Liabilities" } } }, "localname": "ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherCurrentLiabilitiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the components of accrued liabilities.", "label": "Schedule of Accrued Liabilities [Table Text Block]", "terseLabel": "Schedule of Accrued Liabilities" } } }, "localname": "ScheduleOfAccruedLiabilitiesTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccruedExpensesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable": { "auth_ref": [ "r165" ], "lang": { "en-US": { "role": { "documentation": "Schedule for securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by Antidilutive Securities.", "label": "Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]", "terseLabel": "Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]" } } }, "localname": "ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "stringItemType" }, "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": "Debt Securities, Available-for-sale [Line Items]", "terseLabel": "Debt Securities, Available-for-sale [Line Items]" } } }, "localname": "ScheduleOfAvailableForSaleSecuritiesLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfCorporateBondsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfCashFlowHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock": { "auth_ref": [ "r355" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure for cash flow hedging instruments of (a) the location and amount of gains and losses reported in the statement of financial performance and (b) the location and fair value amounts of the instruments reported in the statement of financial position.", "label": "Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]", "terseLabel": "Fair values of derivative instruments designated and not designated as cash flow hedges" } } }, "localname": "ScheduleOfCashFlowHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsTables" ], "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": "Schedule of long-term debt" } } }, "localname": "ScheduleOfDebtTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShortTermAndLongTermDebtTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDerivativeInstrumentsTextBlock": { "auth_ref": [ "r147", "r345", "r347", "r348", "r349", "r351", "r354", "r359", "r366", "r367" ], "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": "Schedule of interest rate swap transactions designated as hedges against specific loans" } } }, "localname": "ScheduleOfDerivativeInstrumentsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinancialInstrumentsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock": { "auth_ref": [ "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r9", "r11", "r12", "r13", "r248", "r249" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of information related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.", "label": "Disposal Groups, Including Discontinued Operations [Table Text Block]", "terseLabel": "Disposal Groups, Including Discontinued Operations [Table Text Block]" } } }, "localname": "ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/GainOnSaleOfSubsidiariesAndDisposalGroupsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock": { "auth_ref": [ "r166" ], "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]", "terseLabel": "Components of calculation of earnings per share" } } }, "localname": "ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/EarningsPerShareTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfEquityMethodInvestmentsLineItems": { "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 Equity Method Investments [Line Items]", "terseLabel": "Schedule of Equity Method Investments [Line Items]" } } }, "localname": "ScheduleOfEquityMethodInvestmentsLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfEquityMethodInvestmentsTable": { "auth_ref": [ "r214" ], "lang": { "en-US": { "role": { "documentation": "Summarization of information required and determined to be disclosed concerning equity method investments in common stock. The summarized information includes: (a) the name of each investee or group of investees for which combined disclosure is appropriate, (2) the percentage ownership of common stock, (3) the difference, if any, between the carrying amount of an investment and the value of the underlying equity in the net assets and the accounting treatment of difference, if any, and (4) the aggregate value of each identified investment based on its quoted market price, if available.", "label": "Schedule of Equity Method Investments [Table]", "terseLabel": "Schedule of Equity Method Investments [Table]" } } }, "localname": "ScheduleOfEquityMethodInvestmentsTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock": { "auth_ref": [ "r413" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of future minimum lease payments as of the date of the latest balance sheet presented, in aggregate and for each of the five years succeeding fiscal years, with separate deductions from the total for the amount representing executor costs, including any profit thereon, included in the minimum lease payments and for the amount of the imputed interest necessary to reduce the net minimum lease payments to present value.", "label": "Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]", "terseLabel": "Schedule of Future Minimum Lease Payments" } } }, "localname": "ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/FinanceLeaseLiabilityAndOtherLongTermLiabilitiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfOtherAssetsTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the carrying amounts of other assets. This disclosure includes other current assets and other noncurrent assets.", "label": "Schedule of Other Assets [Table Text Block]", "terseLabel": "Schedule of Other Long-Term Assets" } } }, "localname": "ScheduleOfOtherAssetsTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherLongTermAssetsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfOtherNonoperatingExpenseByComponentTextBlock": { "auth_ref": [ "r104" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the detailed components of other nonoperating expenses. This disclosure may include methodology, assumptions and amounts for : (a) losses on securities (net of profits) and (b) miscellaneous income deductions.", "label": "Schedule of Other Nonoperating Expense, by Component [Table Text Block]", "terseLabel": "Other financial items" } } }, "localname": "ScheduleOfOtherNonoperatingExpenseByComponentTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/OtherFinancialItemsNetTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfPropertyPlantAndEquipmentTable": { "auth_ref": [ "r49", "r244" ], "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]", "terseLabel": "Property, Plant and Equipment [Table]" } } }, "localname": "ScheduleOfPropertyPlantAndEquipmentTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesDetails", "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnSaleOfVesselsDetails", "http://shipfinance.bm/role/GainLossOnSaleOfAssetsAndTerminationOfChartersGainOnTerminationOfChartersDetails", "http://shipfinance.bm/role/OtherLongTermAssetsOtherLongTermAssetsNarrativeDetails", "http://shipfinance.bm/role/VesselsAndEquipmentNetScheduleOfVesselsAndEquipmentDetails", "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable": { "auth_ref": [ "r142", "r438", "r440", "r441", "r442", "r443" ], "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]", "terseLabel": "Schedule of Related Party Transactions, by Related Party [Table]" } } }, "localname": "ScheduleOfRelatedPartyTransactionsByRelatedPartyTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsLongTermReceivablesFromRelatedPartiesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLeasingAndServiceContractsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyLoansAssociatedCompainesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsRelatedPartyPurchasesAndSalesOfVesselsDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfAmountsDueFromAndToRelatedPartiesExcludingDirectFinancingLeasesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsScheduleOfFeesIncurredWithRelatedPartiesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsSummaryOfLeasingRevenuesEarnedFromRelatedPartiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, 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 [Table Text Block]", "terseLabel": "Schedule of Related Party Transactions" } } }, "localname": "ScheduleOfRelatedPartyTransactionsTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable": { "auth_ref": [ "r301", "r321" ], "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]", "terseLabel": "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://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShareOptionPlanDetails", "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfStockByClassTextBlock": { "auth_ref": [ "r33", "r34", "r35", "r139", "r278", "r279", "r280", "r282", "r283", "r284", "r285", "r286", "r287", "r288" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of an entity's stock, including par or stated value per share, number and dollar amount of share subscriptions, shares authorized, shares issued, shares outstanding, number and dollar amount of shares held in an employee trust, dividend per share, total dividends, share conversion features, par value plus additional paid in capital, the value of treasury stock and other information necessary to a fair presentation, and EPS information. Stock by class includes common, convertible, and preferred stocks which are not redeemable or redeemable solely at the option of the issuer. 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. If more than one issue is outstanding, state the title of each issue and the corresponding dollar amount; dollar amount of any shares subscribed but unissued and the deduction of subscriptions receivable there from; number of shares authorized, issued, and outstanding.", "label": "Schedule of Stock by Class [Table Text Block]", "terseLabel": "Schedule of Share Capital" } } }, "localname": "ScheduleOfStockByClassTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems": { "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 and Equity Securities, FV-NI [Line Items]", "terseLabel": "Debt and Equity Securities, FV-NI [Line Items]" } } }, "localname": "ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesSharesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security with change in fair value recognized in net income (FV-NI).", "label": "Debt Securities, Trading, and Equity Securities, FV-NI [Table]", "terseLabel": "Debt Securities, Trading, and Equity Securities, FV-NI [Table]" } } }, "localname": "ScheduleOfTradingSecuritiesAndOtherTradingAssetsTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesSharesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfVariableInterestEntitiesTable": { "auth_ref": [ "r336", "r338", "r341", "r342", "r343" ], "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]", "terseLabel": "Schedule of Variable Interest Entities [Table]" } } }, "localname": "ScheduleOfVariableInterestEntitiesTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedVariableInterestEntitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SegmentReportingAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Segment Reporting [Abstract]" } } }, "localname": "SegmentReportingAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_SegmentReportingDisclosureTextBlock": { "auth_ref": [ "r190" ], "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 INFORMATION" } } }, "localname": "SegmentReportingDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/SegmentInformation" ], "xbrltype": "textBlockItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1": { "auth_ref": [ "r302" ], "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": "Vesting period" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails", "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "durationItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate": { "auth_ref": [ "r316" ], "lang": { "en-US": { "role": { "documentation": "The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate", "terseLabel": "Expected dividend yield" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate": { "auth_ref": [ "r315" ], "lang": { "en-US": { "role": { "documentation": "The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate", "terseLabel": "Expected share price volatility" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate": { "auth_ref": [ "r317" ], "lang": { "en-US": { "role": { "documentation": "The risk-free interest rate assumption that is used in valuing an option on its own shares.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate", "terseLabel": "Risk free interest rate" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "percentItemType" }, "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": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]", "verboseLabel": "Share Capital Details" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShareOptionPlanDetails", "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]", "terseLabel": "Weighted average exercise price [Abstract]" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber": { "auth_ref": [ "r307" ], "lang": { "en-US": { "role": { "documentation": "The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number", "terseLabel": "Exercisable at end of year (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanDetails", "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice": { "auth_ref": [ "r307" ], "lang": { "en-US": { "role": { "documentation": "The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price", "terseLabel": "Exercisable at end of year (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusDetails", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShareOptionPlanDetails", "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue": { "auth_ref": [ "r312" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value", "verboseLabel": "Total intrinsic value of options exercised during the period" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod": { "auth_ref": [ "r310" ], "lang": { "en-US": { "role": { "documentation": "The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period", "negatedTerseLabel": "Forfeited (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod": { "auth_ref": [ "r308" ], "lang": { "en-US": { "role": { "documentation": "Net number of share options (or share units) granted during the period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures", "terseLabel": "Granted (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanDetails", "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails", "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue": { "auth_ref": [ "r311" ], "lang": { "en-US": { "role": { "documentation": "The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value", "terseLabel": "Weighted average fair value of options granted (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber": { "auth_ref": [ "r306", "r321" ], "lang": { "en-US": { "role": { "documentation": "Number of options outstanding, including both vested and non-vested options.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number", "periodEndLabel": "Options outstanding at end of year (in shares)", "periodStartLabel": "Options outstanding at beginning of year (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward": { "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, Options, Outstanding [Roll Forward]", "terseLabel": "Share options [Roll Forward]" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice": { "auth_ref": [ "r305" ], "lang": { "en-US": { "role": { "documentation": "Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price", "periodEndLabel": "Options outstanding at end of year (in dollars per share)", "periodStartLabel": "Options outstanding at beginning of year (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod": { "auth_ref": [ "r321" ], "lang": { "en-US": { "role": { "documentation": "Number of shares issued under share-based payment arrangement.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period", "terseLabel": "Number of options awarded to employees, officers, and directors" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": { "auth_ref": [ "r299", "r303" ], "lang": { "en-US": { "role": { "documentation": "Award under share-based payment arrangement.", "label": "Award Type [Domain]", "terseLabel": "Award Type [Domain]" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShareOptionPlanDetails", "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Weighted average price at which option holders acquired shares when converting their stock options into shares.", "label": "Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price", "verboseLabel": "Exercised (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.", "label": "Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price", "terseLabel": "Forfeited (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.", "label": "Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price", "verboseLabel": "Granted (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanDetails", "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy": { "auth_ref": [ "r136", "r301", "r304" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for award under share-based payment arrangement. Includes, but is not limited to, methodology and assumption used in measuring cost.", "label": "Share-based Payment Arrangement [Policy Text Block]", "terseLabel": "Share-based compensation" } } }, "localname": "ShareBasedCompensationOptionAndIncentivePlansPolicy", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "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": "Share price (usd per share)" } } }, "localname": "SharePrice", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/CommitmentsAndContingentLiabilitiesNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1": { "auth_ref": [ "r314", "r323" ], "lang": { "en-US": { "role": { "documentation": "Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term", "terseLabel": "Expected life of options (in years)" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1": { "auth_ref": [ "r321" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value", "terseLabel": "Intrinsic value of exercisable options" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1": { "auth_ref": [ "r321" ], "lang": { "en-US": { "role": { "documentation": "Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term", "terseLabel": "Term of options" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "durationItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2": { "auth_ref": [ "r313" ], "lang": { "en-US": { "role": { "documentation": "Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term", "terseLabel": "Weighted average remaining contractual term" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_SignificantAccountingPoliciesTextBlock": { "auth_ref": [ "r151" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for all significant accounting policies of the reporting entity.", "label": "Significant Accounting Policies [Text Block]", "verboseLabel": "ACCOUNTING POLICIES" } } }, "localname": "SignificantAccountingPoliciesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_StatementEquityComponentsAxis": { "auth_ref": [ "r64", "r281" ], "lang": { "en-US": { "role": { "documentation": "Information by component of equity.", "label": "Equity Components [Axis]", "terseLabel": "Equity Components [Axis]" } } }, "localname": "StatementEquityComponentsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails" ], "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 [Line Items]" } } }, "localname": "StatementLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquityParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_StatementOfCashFlowsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statement of Cash Flows [Abstract]" } } }, "localname": "StatementOfCashFlowsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfFinancialPositionAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statement of Financial Position [Abstract]" } } }, "localname": "StatementOfFinancialPositionAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statement of Comprehensive Income [Abstract]" } } }, "localname": "StatementOfIncomeAndComprehensiveIncomeAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfStockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statement of Stockholders' Equity [Abstract]" } } }, "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]", "terseLabel": "Statement [Table]" } } }, "localname": "StatementTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquityParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationForfeited": { "auth_ref": [ "r320" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Value of forfeited shares granted under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).", "label": "Shares Granted, Value, Share-based Payment Arrangement, Forfeited", "negatedTerseLabel": "Stock-based compensation forfeitures" } } }, "localname": "StockGrantedDuringPeriodValueSharebasedCompensationForfeited", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockIssuedDuringPeriodSharesNewIssues": { "auth_ref": [ "r34", "r35", "r281", "r288" ], "lang": { "en-US": { "role": { "documentation": "Number of new stock issued during the period.", "label": "Stock Issued During Period, Shares, New Issues", "terseLabel": "Shares issued (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesNewIssues", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodSharesPurchaseOfAssets": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of shares of stock issued during the period as part of a transaction to acquire assets that do not qualify as a business combination.", "label": "Stock Issued During Period, Shares, Purchase of Assets", "terseLabel": "Shares acquired (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesPurchaseOfAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails", "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodSharesReverseStockSplits": { "auth_ref": [ "r281" ], "lang": { "en-US": { "role": { "documentation": "Reduction in the number of shares during the period as a result of a reverse stock split.", "label": "Stock Issued During Period, Shares, Reverse Stock Splits", "terseLabel": "Reverse stock split" } } }, "localname": "StockIssuedDuringPeriodSharesReverseStockSplits", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised": { "auth_ref": [ "r34", "r35", "r281", "r288", "r309" ], "lang": { "en-US": { "role": { "documentation": "Number of share options (or share units) exercised during the current period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period", "negatedLabel": "Options exercised (in shares)", "terseLabel": "Options exercised (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesStockOptionsExercised", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplusNarrativeDetails", "http://shipfinance.bm/role/ShareOptionPlanDetails", "http://shipfinance.bm/role/ShareOptionPlanNarrativeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities": { "auth_ref": [ "r64", "r281", "r288" ], "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": "Shares issued, conversion of 3.25% convertible bonds due 2018" } } }, "localname": "StockIssuedDuringPeriodValueConversionOfConvertibleSecurities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockIssuedDuringPeriodValueNewIssues": { "auth_ref": [ "r34", "r35", "r281", "r288" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.", "label": "Stock Issued During Period, Value, New Issues", "terseLabel": "Shares issued, exercises of share options" } } }, "localname": "StockIssuedDuringPeriodValueNewIssues", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockIssuedDuringPeriodValuePurchaseOfAssets": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Value of shares of stock issued during the period as part of a transaction to acquire assets that do not qualify as a business combination.", "label": "Stock Issued During Period, Value, Purchase of Assets", "terseLabel": "Shares issued, consideration paid on vessel acquisition" } } }, "localname": "StockIssuedDuringPeriodValuePurchaseOfAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/VesselsUnderFinanceLeaseNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquity": { "auth_ref": [ "r35", "r40", "r41", "r200" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "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", "periodEndLabel": "Balance, at end of year", "periodStartLabel": "Balance, at beginning of year", "totalLabel": "Total stockholders' equity" } } }, "localname": "StockholdersEquity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Stockholders' Equity Attributable to Parent [Abstract]", "verboseLabel": "Stockholders' equity" } } }, "localname": "StockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedBalanceSheets", "http://shipfinance.bm/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_StockholdersEquityNoteAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Stockholders' Equity Note [Abstract]" } } }, "localname": "StockholdersEquityNoteAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_StockholdersEquityNoteDisclosureTextBlock": { "auth_ref": [ "r289" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.", "label": "Stockholders' Equity Note Disclosure [Text Block]", "verboseLabel": "SHARE CAPITAL, ADDITIONAL PAID-IN CAPITAL AND CONTRIBUTED SURPLUS" } } }, "localname": "StockholdersEquityNoteDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ShareCapitalAdditionalPaidInCapitalAndContributedSurplus" ], "xbrltype": "textBlockItemType" }, "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 Event [Line Items]" } } }, "localname": "SubsequentEventLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/SubsequentEventsDetails" ], "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://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventTable": { "auth_ref": [ "r445" ], "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]", "terseLabel": "Subsequent Event [Table]" } } }, "localname": "SubsequentEventTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventTypeAxis": { "auth_ref": [ "r445" ], "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]", "terseLabel": "Subsequent Event Type [Axis]" } } }, "localname": "SubsequentEventTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventTypeDomain": { "auth_ref": [ "r445" ], "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://shipfinance.bm/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Subsequent Events [Abstract]" } } }, "localname": "SubsequentEventsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventsTextBlock": { "auth_ref": [ "r447" ], "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]", "verboseLabel": "SUBSEQUENT EVENTS" } } }, "localname": "SubsequentEventsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/SubsequentEvents" ], "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://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_TradeAndOtherAccountsReceivablePolicy": { "auth_ref": [ "r194", "r195", "r196", "r197", "r199", "r202" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for accounts receivable.", "label": "Accounts Receivable [Policy Text Block]", "terseLabel": "Trade accounts receivable" } } }, "localname": "TradeAndOtherAccountsReceivablePolicy", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_TradingSecuritiesAndCertainTradingAssetsTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).", "label": "Debt Securities, Trading, and Equity Securities, FV-NI [Table Text Block]", "terseLabel": "Schedule of Debt and Equity Securities" } } }, "localname": "TradingSecuritiesAndCertainTradingAssetsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain": { "auth_ref": [ "r453" ], "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": "Financial Instruments [Domain]", "terseLabel": "Financial Instruments [Domain]" } } }, "localname": "TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesNarrativeDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesScheduleOfCorporateBondsDetails", "http://shipfinance.bm/role/InvestmentsInDebtAndEquitySecuritiesSharesDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsNarrativeDetails", "http://shipfinance.bm/role/RelatedPartyTransactionsOtherRelatedPartyTransactionsDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtNarrativeDetails", "http://shipfinance.bm/role/ShortTermAndLongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "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 [Domain]", "terseLabel": "Type of Adoption [Domain]" } } }, "localname": "TypeOfAdoptionMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesDetails", "http://shipfinance.bm/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://shipfinance.bm/role/OtherFinancialItemsNetDetails", "http://shipfinance.bm/role/RecentlyIssuedAccountingStandardsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_UnrealizedGainLossOnDerivatives": { "auth_ref": [ "r127" ], "calculation": { "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows": { "order": 11.0, "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": "Adjustment of derivatives to fair value recognized in net income" } } }, "localname": "UnrealizedGainLossOnDerivatives", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_UseOfEstimates": { "auth_ref": [ "r172", "r173", "r174", "r175", "r180", "r181", "r182" ], "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 accounting estimates" } } }, "localname": "UseOfEstimates", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/AccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis": { "auth_ref": [ "r336", "r338", "r342" ], "lang": { "en-US": { "role": { "documentation": "Information by category of Variable Interest Entity (VIE).", "label": "Variable Interest Entities [Axis]", "terseLabel": "Variable Interest Entities [Axis]" } } }, "localname": "VariableInterestEntitiesByClassificationOfEntityAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedVariableInterestEntitiesDetails", "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets": { "auth_ref": [ "r335" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.", "label": "Variable Interest Entity, Consolidated, Carrying Amount, Assets", "terseLabel": "Carrying value of vessels" } } }, "localname": "VariableInterestEntityConsolidatedCarryingAmountAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedVariableInterestEntitiesDetails" ], "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 Entity [Line Items]" } } }, "localname": "VariableInterestEntityLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedVariableInterestEntitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_VariableInterestEntityNotPrimaryBeneficiaryDisclosuresAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Variable Interest Entity, Not Primary Beneficiary, Disclosures [Abstract]" } } }, "localname": "VariableInterestEntityNotPrimaryBeneficiaryDisclosuresAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "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": "TOTAL" } } }, "localname": "VariableInterestEntityNotPrimaryBeneficiaryMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_VariableInterestEntityOwnershipPercentage": { "auth_ref": [ "r340" ], "lang": { "en-US": { "role": { "documentation": "Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).", "label": "Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage", "terseLabel": "Participation in equity method investee (in hundredths)" } } }, "localname": "VariableInterestEntityOwnershipPercentage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/InvestmentInAssociatedCompaniesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": { "auth_ref": [ "r158", "r164" ], "calculation": { "http://shipfinance.bm/role/EarningsPerShareDetails": { "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", "terseLabel": "Weighted average number of shares outstanding, diluted (in shares)", "totalLabel": "Weighted average number of diluted common shares outstanding (in shares)" } } }, "localname": "WeightedAverageNumberOfDilutedSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations", "http://shipfinance.bm/role/EarningsPerShareDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic": { "auth_ref": [ "r156", "r164" ], "calculation": { "http://shipfinance.bm/role/EarningsPerShareDetails": { "order": 1.0, "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.", "label": "Weighted Average Number of Shares Outstanding, Basic", "terseLabel": "Weighted average number of common shares outstanding (in shares)", "verboseLabel": "Weighted average number of shares outstanding, basic (in shares)" } } }, "localname": "WeightedAverageNumberOfSharesOutstandingBasic", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://shipfinance.bm/role/ConsolidatedStatementsOfOperations", "http://shipfinance.bm/role/EarningsPerShareDetails" ], "xbrltype": "sharesItemType" } }, "unitCount": 15 } }, "std_ref": { "r0": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222160&loc=d3e1107-107759" }, "r1": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222160&loc=SL51721533-107759" }, "r10": { "Name": "Accounting Standards Codification", "Paragraph": "5C", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)(2)", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721675-107760" }, "r100": { "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" }, "r101": { "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" }, "r102": { "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" }, "r103": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.7(a))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r104": { "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" }, "r105": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.T)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868742-224227" }, "r106": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3151-108585" }, "r107": { "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" }, "r108": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a),(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585" }, "r109": { "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" }, "r11": { "Name": "Accounting Standards Codification", "Paragraph": "5C", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721675-107760" }, "r110": { "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" }, "r111": { "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" }, "r112": { "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" }, "r113": { "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" }, "r114": { "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" }, "r115": { "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" }, "r116": { "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" }, "r117": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585" }, "r118": { "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" }, "r119": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3337-108585" }, "r12": { "Name": "Accounting Standards Codification", "Paragraph": "5D", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721677-107760" }, "r120": { "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" }, "r121": { "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" }, "r122": { "Name": "Accounting Standards Codification", "Paragraph": "23", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3505-108585" }, "r123": { "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" }, "r124": { "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" }, "r125": { "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" }, "r126": { "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" }, "r127": { "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" }, "r128": { "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" }, "r129": { "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" }, "r13": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760" }, "r130": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4273-108586" }, "r131": { "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" }, "r132": { "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" }, "r133": { "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" }, "r134": { "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" }, "r135": { "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" }, "r136": { "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" }, "r137": { "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" }, "r138": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=84158767&loc=d3e18823-107790" }, "r139": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(d))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r14": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/subtopic&trid=2122178" }, "r140": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(g))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r141": { "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" }, "r142": { "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" }, "r143": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(m)(1)(iii))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r144": { "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" }, "r145": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(h)(1)(i))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r146": { "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" }, "r147": { "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" }, "r148": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.g)", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r149": { "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" }, "r15": { "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" }, "r150": { "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" }, "r151": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "235", "URI": "http://asc.fasb.org/topic&trid=2122369" }, "r152": { "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" }, "r153": { "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" }, "r154": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22583-107794" }, "r155": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "250", "URI": "http://asc.fasb.org/topic&trid=2122394" }, "r156": { "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" }, "r157": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1377-109256" }, "r158": { "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" }, "r159": { "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" }, "r16": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765" }, "r160": { "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" }, "r161": { "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" }, "r162": { "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" }, "r163": { "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" }, "r164": { "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" }, "r165": { "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" }, "r166": { "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" }, "r167": { "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" }, "r168": { "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" }, "r169": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "260", "URI": "http://asc.fasb.org/topic&trid=2144383" }, "r17": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765" }, "r170": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "270", "URI": "http://asc.fasb.org/extlink&oid=116846552&loc=d3e543-108305" }, "r171": { "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" }, "r172": { "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" }, "r173": { "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" }, "r174": { "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" }, "r175": { "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" }, "r176": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6327-108592" }, "r177": { "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" }, "r178": { "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" }, "r179": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6442-108592" }, "r18": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765" }, "r180": { "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" }, "r181": { "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" }, "r182": { "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" }, "r183": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "275", "URI": "http://asc.fasb.org/topic&trid=2134479" }, "r184": { "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" }, "r185": { "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" }, "r186": { "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" }, "r187": { "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" }, "r188": { "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" }, "r189": { "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" }, "r19": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765" }, "r190": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "280", "URI": "http://asc.fasb.org/topic&trid=2134510" }, "r191": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118952595&loc=d3e4647-111522" }, "r192": { "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" }, "r193": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118952595&loc=d3e4531-111522" }, "r194": { "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" }, "r195": { "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" }, "r196": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "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": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=d3e5074-111524" }, "r199": { "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" }, "r2": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760" }, "r20": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6801-107765" }, "r200": { "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" }, "r201": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/subtopic&trid=2196772" }, "r202": { "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" }, "r203": { "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" }, "r204": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118954083&loc=d3e26853-111562" }, "r205": { "Name": "Accounting Standards Codification", "Paragraph": "8A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118954083&loc=SL6284422-111562" }, "r206": { "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" }, "r207": { "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" }, "r208": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "320", "URI": "http://asc.fasb.org/topic&trid=2196928" }, "r209": { "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" }, "r21": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6904-107765" }, "r210": { "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" }, "r211": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "323", "URI": "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33912-111571" }, "r212": { "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" }, "r213": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(2)", "Topic": "323", "URI": "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571" }, "r214": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(b)", "Topic": "323", "URI": "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571" }, "r215": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "323", "URI": "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571" }, "r216": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "323", "URI": "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571" }, "r217": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "323", "URI": "http://asc.fasb.org/topic&trid=2196965" }, "r218": { "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" }, "r219": { "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" }, "r22": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6911-107765" }, "r220": { "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" }, "r221": { "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" }, "r222": { "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" }, "r223": { "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" }, "r224": { "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" }, "r225": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919258-210447" }, "r226": { "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" }, "r227": { "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" }, "r228": { "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" }, "r229": { "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" }, "r23": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6935-107765" }, "r230": { "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" }, "r231": { "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" }, "r232": { "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" }, "r233": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "35", "SubTopic": "10", "Topic": "330", "URI": "http://asc.fasb.org/extlink&oid=116846819&loc=d3e3927-108312" }, "r234": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "330", "URI": "http://asc.fasb.org/extlink&oid=116847112&loc=d3e4492-108314" }, "r235": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "330", "URI": "http://asc.fasb.org/extlink&oid=116847112&loc=d3e4556-108314" }, "r236": { "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" }, "r237": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "05", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226317&loc=d3e202-110218" }, "r238": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226348&loc=d3e2510-110228" }, "r239": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228" }, "r24": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e7018-107765" }, "r240": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228" }, "r241": { "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" }, "r242": { "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" }, "r243": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r244": { "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" }, "r245": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230" }, "r246": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230" }, "r247": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230" }, "r248": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230" }, "r249": { "Name": "Accounting Standards Codification", "Paragraph": "3A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=SL51724579-110230" }, "r25": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766" }, "r250": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.CC)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=27011434&loc=d3e125687-122742" }, "r251": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "360", "URI": "http://asc.fasb.org/topic&trid=2155823" }, "r252": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "440", "URI": "http://asc.fasb.org/topic&trid=2144648" }, "r253": { "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" }, "r254": { "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" }, "r255": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14394-108349" }, "r256": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14435-108349" }, "r257": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14453-108349" }, "r258": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14472-108349" }, "r259": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14557-108349" }, "r26": { "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" }, "r260": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "450", "URI": "http://asc.fasb.org/topic&trid=2127136" }, "r261": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "460", "URI": "http://asc.fasb.org/extlink&oid=118943654&loc=d3e12021-110248" }, "r262": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "460", "URI": "http://asc.fasb.org/extlink&oid=118943654&loc=d3e12053-110248" }, "r263": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "460", "URI": "http://asc.fasb.org/extlink&oid=118943654&loc=d3e12069-110248" }, "r264": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(1)", "Topic": "460", "URI": "http://asc.fasb.org/extlink&oid=118943654&loc=d3e12069-110248" }, "r265": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "460", "URI": "http://asc.fasb.org/extlink&oid=118943654&loc=d3e12069-110248" }, "r266": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "460", "URI": "http://asc.fasb.org/extlink&oid=118943654&loc=d3e12069-110248" }, "r267": { "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" }, "r268": { "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" }, "r269": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "25", "SubTopic": "20", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=51819886&loc=SL6014347-161799" }, "r27": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(11))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r270": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "25", "SubTopic": "20", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=109126253&loc=d3e4815-112606" }, "r271": { "Name": "Accounting Standards Codification", "Paragraph": "2A", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(1)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=7656903&loc=SL6757479-112611" }, "r272": { "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" }, "r273": { "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" }, "r274": { "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" }, "r275": { "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" }, "r276": { "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" }, "r277": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "470", "URI": "http://asc.fasb.org/topic&trid=2208564" }, "r278": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Topic": "480", "URI": "http://asc.fasb.org/extlink&oid=65877616&loc=d3e177068-122764" }, "r279": { "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" }, "r28": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(13))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r280": { "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" }, "r281": { "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" }, "r282": { "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" }, "r283": { "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" }, "r284": { "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" }, "r285": { "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" }, "r286": { "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" }, "r287": { "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" }, "r288": { "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" }, "r289": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "505", "URI": "http://asc.fasb.org/topic&trid=2208762" }, "r29": { "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" }, "r290": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044" }, "r291": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944033&loc=SL49130533-203044" }, "r292": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045" }, "r293": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "610", "URI": "http://asc.fasb.org/topic&trid=49130413" }, "r294": { "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" }, "r295": { "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" }, "r296": { "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" }, "r297": { "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" }, "r298": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "35", "SubTopic": "10", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116855982&loc=d3e4534-113899" }, "r299": { "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" }, "r3": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=d3e1474-107760" }, "r30": { "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" }, "r300": { "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" }, "r301": { "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" }, "r302": { "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" }, "r303": { "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" }, "r304": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b),(f)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r305": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(i)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r306": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(i)-(ii)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r307": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iii)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r308": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r309": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r31": { "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" }, "r310": { "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" }, "r311": { "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" }, "r312": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r313": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r314": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)(i)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r315": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)(ii)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r316": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)(iii)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r317": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)(iv)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r318": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r319": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(i)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r32": { "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" }, "r320": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "c(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r321": { "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" }, "r322": { "Name": "Accounting Standards Codification", "Paragraph": "2A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=SL79508275-113901" }, "r323": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 14.D.2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809" }, "r324": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=118258462&loc=d3e11149-113907" }, "r325": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=118258462&loc=d3e11178-113907" }, "r326": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "718", "URI": "http://asc.fasb.org/topic&trid=2228938" }, "r327": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "720", "URI": "http://asc.fasb.org/topic&trid=2122503" }, "r328": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "740", "URI": "http://asc.fasb.org/topic&trid=2144680" }, "r329": { "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" }, "r33": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(27))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r330": { "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" }, "r331": { "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" }, "r332": { "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" }, "r333": { "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" }, "r334": { "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" }, "r335": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bb)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5710-111685" }, "r336": { "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" }, "r337": { "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" }, "r338": { "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" }, "r339": { "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" }, "r34": { "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" }, "r340": { "Name": "Accounting Standards Codification", "Paragraph": "5A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=SL6759159-111685" }, "r341": { "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" }, "r342": { "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" }, "r343": { "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" }, "r344": { "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" }, "r345": { "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" }, "r346": { "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" }, "r347": { "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" }, "r348": { "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" }, "r349": { "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" }, "r35": { "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" }, "r350": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "c", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41638-113959" }, "r351": { "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" }, "r352": { "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" }, "r353": { "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" }, "r354": { "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" }, "r355": { "Name": "Accounting Standards Codification", "Paragraph": "4C", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959" }, "r356": { "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" }, "r357": { "Name": "Accounting Standards Codification", "Paragraph": "4C", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959" }, "r358": { "Name": "Accounting Standards Codification", "Paragraph": "4C", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959" }, "r359": { "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" }, "r36": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(3)(a)(2))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r360": { "Name": "Accounting Standards Codification", "Paragraph": "4CC", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL109998890-113959" }, "r361": { "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" }, "r362": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(6)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959" }, "r363": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959" }, "r364": { "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" }, "r365": { "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" }, "r366": { "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" }, "r367": { "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" }, "r368": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "65", "SubTopic": "20", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=118632142&loc=SL109983883-199619" }, "r369": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "25", "Subparagraph": "(a)(1),(2)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109977999&loc=d3e76258-113986" }, "r37": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(3))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r370": { "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" }, "r371": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "815", "URI": "http://asc.fasb.org/topic&trid=2229140" }, "r372": { "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" }, "r373": { "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" }, "r374": { "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" }, "r375": { "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" }, "r376": { "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" }, "r377": { "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" }, "r378": { "Name": "Accounting Standards Codification", "Paragraph": "2C", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=SL7498348-110258" }, "r379": { "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" }, "r38": { "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" }, "r380": { "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" }, "r381": { "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" }, "r382": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "60", "SubTopic": "10", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=7493716&loc=d3e21868-110260" }, "r383": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=99377092&loc=SL75136599-209740" }, "r384": { "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" }, "r385": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13279-108611" }, "r386": { "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" }, "r387": { "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" }, "r388": { "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" }, "r389": { "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" }, "r39": { "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" }, "r390": { "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" }, "r391": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13537-108611" }, "r392": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=75031198&loc=d3e14064-108612" }, "r393": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=75031198&loc=d3e14064-108612" }, "r394": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=117336053&loc=SL75039408-165497" }, "r395": { "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" }, "r396": { "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" }, "r397": { "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" }, "r398": { "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" }, "r399": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901" }, "r4": { "Name": "Accounting Standards Codification", "Paragraph": "3A", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721659-107760" }, "r40": { "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" }, "r400": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "15", "SubTopic": "20", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=6450852&loc=d3e24871-108386" }, "r401": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391" }, "r402": { "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" }, "r403": { "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" }, "r404": { "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" }, "r405": { "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" }, "r406": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=68176171&loc=SL68176184-208336" }, "r407": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=84164451&loc=d3e36991-112694" }, "r408": { "Name": "Accounting Standards Codification", "Paragraph": "40", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "Note 1", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697" }, "r409": { "Name": "Accounting Standards Codification", "Paragraph": "40", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "Note 3", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697" }, "r41": { "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" }, "r410": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "25", "SubTopic": "20", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=77902458&loc=d3e39896-112707" }, "r411": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=84164653&loc=d3e41551-112718" }, "r412": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=84164758&loc=d3e45023-112735" }, "r413": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737" }, "r414": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=84165051&loc=d3e45377-112738" }, "r415": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=77913982&loc=d3e50796-112755" }, "r416": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977" }, "r417": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977" }, "r418": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977" }, "r419": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918666-209980" }, "r42": { "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" }, "r420": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980" }, "r421": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r422": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980" }, "r423": { "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" }, "r424": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/subtopic&trid=77888251" }, "r425": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=119202524&loc=SL77919352-209981" }, "r426": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=119202524&loc=SL77919391-209981" }, "r427": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=119202524&loc=SL77919396-209981" }, "r428": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=119202524&loc=SL77919398-209981" }, "r429": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=119202524&loc=SL77919359-209981" }, "r43": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(5))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r430": { "Name": "Accounting Standards Codification", "Paragraph": "3A", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=119202524&loc=SL117410129-209981" }, "r431": { "Name": "Accounting Standards Codification", "Paragraph": "3A", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=119202524&loc=SL117410129-209981" }, "r432": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)(2)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=119202524&loc=SL77919372-209981" }, "r433": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=119202524&loc=SL77919379-209981" }, "r434": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "14", "Topic": "842", "URI": "http://asc.fasb.org/section&trid=77888298" }, "r435": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "30", "Topic": "842", "URI": "http://asc.fasb.org/subtopic&trid=77888252" }, "r436": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888430&loc=SL77919786-209982" }, "r437": { "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" }, "r438": { "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" }, "r439": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39599-107864" }, "r44": { "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" }, "r440": { "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" }, "r441": { "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" }, "r442": { "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" }, "r443": { "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" }, "r444": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "850", "URI": "http://asc.fasb.org/topic&trid=2122745" }, "r445": { "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" }, "r446": { "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" }, "r447": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "855", "URI": "http://asc.fasb.org/topic&trid=2122774" }, "r448": { "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" }, "r449": { "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" }, "r45": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.11)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r450": { "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" }, "r451": { "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" }, "r452": { "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" }, "r453": { "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" }, "r454": { "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" }, "r455": { "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" }, "r456": { "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" }, "r457": { "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" }, "r458": { "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" }, "r459": { "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" }, "r46": { "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" }, "r460": { "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" }, "r461": { "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" }, "r462": { "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" }, "r463": { "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" }, "r464": { "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" }, "r465": { "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" }, "r466": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "320", "Topic": "940", "URI": "http://asc.fasb.org/subtopic&trid=2176304" }, "r467": { "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" }, "r468": { "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" }, "r469": { "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" }, "r47": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.13(a))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r470": { "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" }, "r471": { "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" }, "r472": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.10(3))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r473": { "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" }, "r474": { "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" }, "r475": { "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" }, "r476": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(13)(g))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r477": { "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" }, "r478": { "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" }, "r479": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04.4)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r48": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.13)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r480": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "320", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=75019621&loc=d3e62652-112803" }, "r481": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "320", "Topic": "942", "URI": "http://asc.fasb.org/subtopic&trid=2209399" }, "r482": { "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" }, "r483": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "470", "Subparagraph": "e", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823" }, "r484": { "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" }, "r485": { "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" }, "r486": { "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" }, "r487": { "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" }, "r488": { "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" }, "r489": { "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" }, "r49": { "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" }, "r490": { "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" }, "r491": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(8))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r492": { "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" }, "r493": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03.1(h))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r494": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03.3)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r495": { "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" }, "r496": { "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" }, "r497": { "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" }, "r498": { "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" }, "r499": { "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" }, "r5": { "Name": "Accounting Standards Codification", "Paragraph": "4A", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721663-107760" }, "r50": { "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" }, "r500": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "825", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=99380617&loc=SL75241803-196195" }, "r501": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "210", "Subparagraph": "(b)", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=99383244&loc=d3e12121-115841" }, "r502": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "210", "Subparagraph": "(c)", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=99383244&loc=d3e12121-115841" }, "r503": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "320", "Subparagraph": "(SX 210.12-12.Column B)", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611133-123010" }, "r504": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "320", "Subparagraph": "(SX 210.12-12.Column C.3,4)", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611133-123010" }, "r505": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "S99", "SubTopic": "320", "Subparagraph": "(SX 210.12-12C.Column B)", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611225-123010" }, "r506": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "S99", "SubTopic": "320", "Subparagraph": "(SX 210.12-12C.Column C.7)", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611225-123010" }, "r507": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "S99", "SubTopic": "320", "Subparagraph": "(SX 210.12-13.Column C.6)", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611282-123010" }, "r508": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "S99", "SubTopic": "320", "Subparagraph": "(SX 210.12-14.Column B)", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611322-123010" }, "r509": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "S99", "SubTopic": "320", "Subparagraph": "(SX 210.12-14.Column E.2,3)", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611322-123010" }, "r51": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19(a))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r510": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "320", "Topic": "946", "URI": "http://asc.fasb.org/subtopic&trid=2324412" }, "r511": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b" }, "r512": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "d1-1" }, "r513": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "15", "Subsection": "d" }, "r514": { "Name": "Form 20-F", "Publisher": "SEC" }, "r515": { "Name": "Form 20-F", "Number": "249", "Publisher": "SEC", "Section": "220", "Subsection": "f" }, "r516": { "Name": "Forms 10-K, 10-Q, 20-F", "Number": "240", "Publisher": "SEC", "Section": "13", "Subsection": "a-1-" }, "r517": { "Name": "Forms 10-K, 20-F, 40-F", "Number": "240", "Publisher": "SEC", "Section": "15", "Subsection": "d-1" }, "r518": { "Name": "Forms 20-F, 40-F", "Number": "249", "Publisher": "SEC", "Section": "220 and 240", "Subsection": "f" }, "r519": { "Name": "Regulation 12B", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b-2" }, "r52": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19(a),20,24)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r520": { "Name": "Regulation S-T", "Number": "232", "Publisher": "SEC", "Section": "405" }, "r53": { "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" }, "r54": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19,20)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r55": { "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" }, "r56": { "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" }, "r57": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.20,24)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r58": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.21)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r59": { "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" }, "r6": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721665-107760" }, "r60": { "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" }, "r61": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.23)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r62": { "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" }, "r63": { "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" }, "r64": { "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" }, "r65": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.3(b))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r66": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.30(a)(2))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r67": { "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" }, "r68": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.6(a))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r69": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.6(b))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r7": { "Name": "Accounting Standards Codification", "Paragraph": "5A", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721671-107760" }, "r70": { "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" }, "r71": { "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" }, "r72": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.9)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r73": { "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" }, "r74": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226024-175313" }, "r75": { "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" }, "r76": { "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" }, "r77": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580" }, "r78": { "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" }, "r79": { "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" }, "r8": { "Name": "Accounting Standards Codification", "Paragraph": "5B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(e)", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760" }, "r80": { "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" }, "r81": { "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" }, "r82": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e689-108580" }, "r83": { "Name": "Accounting Standards Codification", "Paragraph": "17A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL34724391-108580" }, "r84": { "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" }, "r85": { "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" }, "r86": { "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" }, "r87": { "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" }, "r88": { "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" }, "r89": { "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" }, "r9": { "Name": "Accounting Standards Codification", "Paragraph": "5B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760" }, "r90": { "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" }, "r91": { "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" }, "r92": { "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" }, "r93": { "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" }, "r94": { "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" }, "r95": { "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" }, "r96": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(7)(c))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r97": { "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" }, "r98": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(9)(a))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r99": { "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" } }, "version": "2.1" }