3.7.0.1 html 455 427 1 true 157 0 false 17 false false R1.htm 0001000 - Document - Document and Entity Information Sheet http://www.istarfinancial.com/role/DocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 1001000 - Statement - Consolidated Balance Sheets Sheet http://www.istarfinancial.com/role/ConsolidatedBalanceSheets Consolidated Balance Sheets Statements 2 false false R3.htm 1001501 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.istarfinancial.com/role/ConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 1002000 - Statement - Consolidated Statements of Operations Sheet http://www.istarfinancial.com/role/ConsolidatedStatementsOfOperations Consolidated Statements of Operations Statements 4 false false R5.htm 1003000 - Statement - Consolidated Statements of Comprehensive Income (Loss) Sheet http://www.istarfinancial.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss Consolidated Statements of Comprehensive Income (Loss) Statements 5 false false R6.htm 1003001 - Statement - Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) Sheet http://www.istarfinancial.com/role/ConsolidatedStatementsOfComprehensiveIncomeLossParenthetical Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) Statements 6 false false R7.htm 1004000 - Statement - Consolidated Statements of Changes in Equity Sheet http://www.istarfinancial.com/role/ConsolidatedStatementsOfChangesInEquity Consolidated Statements of Changes in Equity Statements 7 false false R8.htm 1004001 - Statement - Consolidated Statements of Changes in Equity (Parenthetical) Sheet http://www.istarfinancial.com/role/ConsolidatedStatementsOfChangesInEquityParenthetical Consolidated Statements of Changes in Equity (Parenthetical) Statements 8 false false R9.htm 1006000 - Statement - Consolidated Statements of Cash Flows Sheet http://www.istarfinancial.com/role/ConsolidatedStatementsOfCashFlows Consolidated Statements of Cash Flows Statements 9 false false R10.htm 2101100 - Disclosure - Business and Organization Sheet http://www.istarfinancial.com/role/BusinessAndOrganization Business and Organization Notes 10 false false R11.htm 2102100 - Disclosure - Basis of Presentation and Principles of Consolidation Sheet http://www.istarfinancial.com/role/BasisOfPresentationAndPrinciplesOfConsolidation Basis of Presentation and Principles of Consolidation Notes 11 false false R12.htm 2104100 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.istarfinancial.com/role/SummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 12 false false R13.htm 2105100 - Disclosure - Real Estate Sheet http://www.istarfinancial.com/role/RealEstate Real Estate Notes 13 false false R14.htm 2106100 - Disclosure - Land and Development Sheet http://www.istarfinancial.com/role/LandAndDevelopment Land and Development Notes 14 false false R15.htm 2108100 - Disclosure - Loans Receivable and Other Lending Investments, net Sheet http://www.istarfinancial.com/role/LoansReceivableAndOtherLendingInvestmentsNet Loans Receivable and Other Lending Investments, net Notes 15 false false R16.htm 2109100 - Disclosure - Other Investments Sheet http://www.istarfinancial.com/role/OtherInvestments Other Investments Notes 16 false false R17.htm 2110100 - Disclosure - Other Assets and Other Liabilities Sheet http://www.istarfinancial.com/role/OtherAssetsAndOtherLiabilities Other Assets and Other Liabilities Notes 17 false false R18.htm 2111100 - Disclosure - Loan Participations Payable, net Sheet http://www.istarfinancial.com/role/LoanParticipationsPayableNet Loan Participations Payable, net Notes 18 false false R19.htm 2112100 - Disclosure - Debt Obligations, net Sheet http://www.istarfinancial.com/role/DebtObligationsNet Debt Obligations, net Notes 19 false false R20.htm 2113100 - Disclosure - Commitments and Contingencies Sheet http://www.istarfinancial.com/role/CommitmentsAndContingencies Commitments and Contingencies Notes 20 false false R21.htm 2114100 - Disclosure - Derivatives Sheet http://www.istarfinancial.com/role/Derivatives Derivatives Notes 21 false false R22.htm 2115100 - Disclosure - Equity Sheet http://www.istarfinancial.com/role/Equity Equity Notes 22 false false R23.htm 2116100 - Disclosure - Stock-Based Compensation Plans and Employee Benefits Sheet http://www.istarfinancial.com/role/StockBasedCompensationPlansAndEmployeeBenefits Stock-Based Compensation Plans and Employee Benefits Notes 23 false false R24.htm 2117100 - Disclosure - Earnings Per Share Sheet http://www.istarfinancial.com/role/EarningsPerShare Earnings Per Share Notes 24 false false R25.htm 2118100 - Disclosure - Fair Values Sheet http://www.istarfinancial.com/role/FairValues Fair Values Notes 25 false false R26.htm 2119100 - Disclosure - Segment Reporting Sheet http://www.istarfinancial.com/role/SegmentReporting Segment Reporting Notes 26 false false R27.htm 2120100 - Disclosure - Subsequent Events Sheet http://www.istarfinancial.com/role/SubsequentEvents Subsequent Events Notes 27 false false R28.htm 2204201 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.istarfinancial.com/role/SummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://www.istarfinancial.com/role/SummaryOfSignificantAccountingPolicies 28 false false R29.htm 2305301 - Disclosure - Real Estate (Tables) Sheet http://www.istarfinancial.com/role/RealEstateTables Real Estate (Tables) Tables http://www.istarfinancial.com/role/RealEstate 29 false false R30.htm 2306301 - Disclosure - Land and Development (Tables) Sheet http://www.istarfinancial.com/role/LandAndDevelopmentTables Land and Development (Tables) Tables http://www.istarfinancial.com/role/LandAndDevelopment 30 false false R31.htm 2308301 - Disclosure - Loans Receivable and Other Lending Investments, net (Tables) Sheet http://www.istarfinancial.com/role/LoansReceivableAndOtherLendingInvestmentsNetTables Loans Receivable and Other Lending Investments, net (Tables) Tables http://www.istarfinancial.com/role/LoansReceivableAndOtherLendingInvestmentsNet 31 false false R32.htm 2309301 - Disclosure - Other Investments (Tables) Sheet http://www.istarfinancial.com/role/OtherInvestmentsTables Other Investments (Tables) Tables http://www.istarfinancial.com/role/OtherInvestments 32 false false R33.htm 2310301 - Disclosure - Other Assets and Other Liabilities (Tables) Sheet http://www.istarfinancial.com/role/OtherAssetsAndOtherLiabilitiesTables Other Assets and Other Liabilities (Tables) Tables http://www.istarfinancial.com/role/OtherAssetsAndOtherLiabilities 33 false false R34.htm 2311301 - Disclosure - Loan Participations Payable, net (Tables) Sheet http://www.istarfinancial.com/role/LoanParticipationsPayableNetTables Loan Participations Payable, net (Tables) Tables http://www.istarfinancial.com/role/LoanParticipationsPayableNet 34 false false R35.htm 2312301 - Disclosure - Debt Obligations, net (Tables) Sheet http://www.istarfinancial.com/role/DebtObligationsNetTables Debt Obligations, net (Tables) Tables http://www.istarfinancial.com/role/DebtObligationsNet 35 false false R36.htm 2313301 - Disclosure - Commitments and Contingencies (Tables) Sheet http://www.istarfinancial.com/role/CommitmentsAndContingenciesTables Commitments and Contingencies (Tables) Tables http://www.istarfinancial.com/role/CommitmentsAndContingencies 36 false false R37.htm 2314301 - Disclosure - Derivatives (Tables) Sheet http://www.istarfinancial.com/role/DerivativesTables Derivatives (Tables) Tables http://www.istarfinancial.com/role/Derivatives 37 false false R38.htm 2315301 - Disclosure - Equity (Tables) Sheet http://www.istarfinancial.com/role/EquityTables Equity (Tables) Tables http://www.istarfinancial.com/role/Equity 38 false false R39.htm 2317301 - Disclosure - Earnings Per Share (Tables) Sheet http://www.istarfinancial.com/role/EarningsPerShareTables Earnings Per Share (Tables) Tables http://www.istarfinancial.com/role/EarningsPerShare 39 false false R40.htm 2318301 - Disclosure - Fair Values (Tables) Sheet http://www.istarfinancial.com/role/FairValuesTables Fair Values (Tables) Tables http://www.istarfinancial.com/role/FairValues 40 false false R41.htm 2319301 - Disclosure - Segment Reporting (Tables) Sheet http://www.istarfinancial.com/role/SegmentReportingTables Segment Reporting (Tables) Tables http://www.istarfinancial.com/role/SegmentReporting 41 false false R42.htm 2401401 - Disclosure - Business and Organization (Details) Sheet http://www.istarfinancial.com/role/BusinessAndOrganizationDetails Business and Organization (Details) Details http://www.istarfinancial.com/role/BusinessAndOrganization 42 false false R43.htm 2402401 - Disclosure - Basis of Presentation and Principles of Consolidation (VIEs) (Details) Sheet http://www.istarfinancial.com/role/BasisOfPresentationAndPrinciplesOfConsolidationViesDetails Basis of Presentation and Principles of Consolidation (VIEs) (Details) Details http://www.istarfinancial.com/role/BasisOfPresentationAndPrinciplesOfConsolidation 43 false false R44.htm 2405402 - Disclosure - Real Estate (Schedule of Real Estate Assets) (Details) Sheet http://www.istarfinancial.com/role/RealEstateScheduleOfRealEstateAssetsDetails Real Estate (Schedule of Real Estate Assets) (Details) Details http://www.istarfinancial.com/role/RealEstateTables 44 false false R45.htm 2405403 - Disclosure - Real Estate (Real Estate Available and Held for Sale) (Details) Sheet http://www.istarfinancial.com/role/RealEstateRealEstateAvailableAndHeldForSaleDetails Real Estate (Real Estate Available and Held for Sale) (Details) Details http://www.istarfinancial.com/role/RealEstateTables 45 false false R46.htm 2405404 - Disclosure - Real Estate (Dispositions) (Details) Sheet http://www.istarfinancial.com/role/RealEstateDispositionsDetails Real Estate (Dispositions) (Details) Details http://www.istarfinancial.com/role/RealEstateTables 46 false false R47.htm 2405405 - Disclosure - Real Estate (Impairments) (Details) Sheet http://www.istarfinancial.com/role/RealEstateImpairmentsDetails Real Estate (Impairments) (Details) Details http://www.istarfinancial.com/role/RealEstateTables 47 false false R48.htm 2405406 - Disclosure - Real Estate (Tenant Reimbursements) (Details) Sheet http://www.istarfinancial.com/role/RealEstateTenantReimbursementsDetails Real Estate (Tenant Reimbursements) (Details) Details http://www.istarfinancial.com/role/RealEstateTables 48 false false R49.htm 2405407 - Disclosure - Real Estate (Allowance for Doubtful Accounts) (Details) Sheet http://www.istarfinancial.com/role/RealEstateAllowanceForDoubtfulAccountsDetails Real Estate (Allowance for Doubtful Accounts) (Details) Details http://www.istarfinancial.com/role/RealEstateTables 49 false false R50.htm 2406402 - Disclosure - Land and Development (Schedule of Land and Development) (Details) Sheet http://www.istarfinancial.com/role/LandAndDevelopmentScheduleOfLandAndDevelopmentDetails Land and Development (Schedule of Land and Development) (Details) Details http://www.istarfinancial.com/role/LandAndDevelopmentTables 50 false false R51.htm 2406403 - Disclosure - Land and Development (Acquisitions, Dispositions, and Redeemable Noncontrolling Interest) (Details) Sheet http://www.istarfinancial.com/role/LandAndDevelopmentAcquisitionsDispositionsAndRedeemableNoncontrollingInterestDetails Land and Development (Acquisitions, Dispositions, and Redeemable Noncontrolling Interest) (Details) Details http://www.istarfinancial.com/role/LandAndDevelopmentTables 51 false false R52.htm 2408402 - Disclosure - Loans Receivable and Other Lending Investments, net (Schedule of Loans Receivable) (Details) Sheet http://www.istarfinancial.com/role/LoansReceivableAndOtherLendingInvestmentsNetScheduleOfLoansReceivableDetails Loans Receivable and Other Lending Investments, net (Schedule of Loans Receivable) (Details) Details http://www.istarfinancial.com/role/LoansReceivableAndOtherLendingInvestmentsNetTables 52 false false R53.htm 2408403 - Disclosure - Loans Receivable and Other Lending Investments, net (Reserve for Loan Losses) (Details) Sheet http://www.istarfinancial.com/role/LoansReceivableAndOtherLendingInvestmentsNetReserveForLoanLossesDetails Loans Receivable and Other Lending Investments, net (Reserve for Loan Losses) (Details) Details http://www.istarfinancial.com/role/LoansReceivableAndOtherLendingInvestmentsNetTables 53 false false R54.htm 2408404 - Disclosure - Loans Receivable and Other Lending Investments, net (Loans and Associated Reserve for Loan Losses) (Details) Sheet http://www.istarfinancial.com/role/LoansReceivableAndOtherLendingInvestmentsNetLoansAndAssociatedReserveForLoanLossesDetails Loans Receivable and Other Lending Investments, net (Loans and Associated Reserve for Loan Losses) (Details) Details http://www.istarfinancial.com/role/LoansReceivableAndOtherLendingInvestmentsNetTables 54 false false R55.htm 2408405 - Disclosure - Loans Receivable and Other Lending Investments, net (Credit Characteristics for Performing Loans) (Details) Sheet http://www.istarfinancial.com/role/LoansReceivableAndOtherLendingInvestmentsNetCreditCharacteristicsForPerformingLoansDetails Loans Receivable and Other Lending Investments, net (Credit Characteristics for Performing Loans) (Details) Details http://www.istarfinancial.com/role/LoansReceivableAndOtherLendingInvestmentsNetTables 55 false false R56.htm 2408406 - Disclosure - Loans Receivable and Other Lending Investments, net (Credit Characteristics by Payment Status) (Details) Sheet http://www.istarfinancial.com/role/LoansReceivableAndOtherLendingInvestmentsNetCreditCharacteristicsByPaymentStatusDetails Loans Receivable and Other Lending Investments, net (Credit Characteristics by Payment Status) (Details) Details http://www.istarfinancial.com/role/LoansReceivableAndOtherLendingInvestmentsNetTables 56 false false R57.htm 2408407 - Disclosure - Loans Receivable and Other Lending Investments, net (Impaired Loans) (Details) Sheet http://www.istarfinancial.com/role/LoansReceivableAndOtherLendingInvestmentsNetImpairedLoansDetails Loans Receivable and Other Lending Investments, net (Impaired Loans) (Details) Details http://www.istarfinancial.com/role/LoansReceivableAndOtherLendingInvestmentsNetTables 57 false false R58.htm 2408408 - Disclosure - Loans Receivable and Other Lending Investments, net (Securities) (Details) Sheet http://www.istarfinancial.com/role/LoansReceivableAndOtherLendingInvestmentsNetSecuritiesDetails Loans Receivable and Other Lending Investments, net (Securities) (Details) Details http://www.istarfinancial.com/role/LoansReceivableAndOtherLendingInvestmentsNetTables 58 false false R59.htm 2409402 - Disclosure - Other Investments (Schedule of Other Investments) (Details) Sheet http://www.istarfinancial.com/role/OtherInvestmentsScheduleOfOtherInvestmentsDetails Other Investments (Schedule of Other Investments) (Details) Details http://www.istarfinancial.com/role/OtherInvestmentsTables 59 false false R60.htm 2409403 - Disclosure - Other Investments (Narrative) (Details) Sheet http://www.istarfinancial.com/role/OtherInvestmentsNarrativeDetails Other Investments (Narrative) (Details) Details http://www.istarfinancial.com/role/OtherInvestmentsTables 60 false false R61.htm 2409404 - Disclosure - Other Investments (Schedule of Summarized Investee Financial Information) (Details) Sheet http://www.istarfinancial.com/role/OtherInvestmentsScheduleOfSummarizedInvesteeFinancialInformationDetails Other Investments (Schedule of Summarized Investee Financial Information) (Details) Details http://www.istarfinancial.com/role/OtherInvestmentsTables 61 false false R62.htm 2410402 - Disclosure - Other Assets and Other Liabilities (Schedule of Other Assets) (Details) Sheet http://www.istarfinancial.com/role/OtherAssetsAndOtherLiabilitiesScheduleOfOtherAssetsDetails Other Assets and Other Liabilities (Schedule of Other Assets) (Details) Details http://www.istarfinancial.com/role/OtherAssetsAndOtherLiabilitiesTables 62 false false R63.htm 2410403 - Disclosure - Other Assets and Other Liabilities (Schedule of Other Liabilities) (Details) Sheet http://www.istarfinancial.com/role/OtherAssetsAndOtherLiabilitiesScheduleOfOtherLiabilitiesDetails Other Assets and Other Liabilities (Schedule of Other Liabilities) (Details) Details http://www.istarfinancial.com/role/OtherAssetsAndOtherLiabilitiesTables 63 false false R64.htm 2410404 - Disclosure - Other Assets and Other Liabilities (Deferred Tax Assets and Liabilities) (Details) Sheet http://www.istarfinancial.com/role/OtherAssetsAndOtherLiabilitiesDeferredTaxAssetsAndLiabilitiesDetails Other Assets and Other Liabilities (Deferred Tax Assets and Liabilities) (Details) Details http://www.istarfinancial.com/role/OtherAssetsAndOtherLiabilitiesTables 64 false false R65.htm 2411402 - Disclosure - Loan Participations Payable, net (Details) Sheet http://www.istarfinancial.com/role/LoanParticipationsPayableNetDetails Loan Participations Payable, net (Details) Details http://www.istarfinancial.com/role/LoanParticipationsPayableNetTables 65 false false R66.htm 2412402 - Disclosure - Debt Obligations, net (Schedule of Debt) (Details) Sheet http://www.istarfinancial.com/role/DebtObligationsNetScheduleOfDebtDetails Debt Obligations, net (Schedule of Debt) (Details) Details http://www.istarfinancial.com/role/DebtObligationsNetTables 66 false false R67.htm 2412403 - Disclosure - Debt Obligations, net (Future Scheduled Maturities) (Details) Sheet http://www.istarfinancial.com/role/DebtObligationsNetFutureScheduledMaturitiesDetails Debt Obligations, net (Future Scheduled Maturities) (Details) Details http://www.istarfinancial.com/role/DebtObligationsNetTables 67 false false R68.htm 2412404 - Disclosure - Debt Obligations, net (Secured Credit Facility Narrative) (Details) Sheet http://www.istarfinancial.com/role/DebtObligationsNetSecuredCreditFacilityNarrativeDetails Debt Obligations, net (Secured Credit Facility Narrative) (Details) Details http://www.istarfinancial.com/role/DebtObligationsNetTables 68 false false R69.htm 2412405 - Disclosure - Debt Obligations, net (Unsecured Notes Narrative) (Details) Notes http://www.istarfinancial.com/role/DebtObligationsNetUnsecuredNotesNarrativeDetails Debt Obligations, net (Unsecured Notes Narrative) (Details) Details http://www.istarfinancial.com/role/DebtObligationsNetTables 69 false false R70.htm 2412406 - Disclosure - Debt Obligations, net (Encumbered/Unencumbered Assets) (Details) Sheet http://www.istarfinancial.com/role/DebtObligationsNetEncumberedUnencumberedAssetsDetails Debt Obligations, net (Encumbered/Unencumbered Assets) (Details) Details http://www.istarfinancial.com/role/DebtObligationsNetTables 70 false false R71.htm 2412407 - Disclosure - Debt Obligations, net (Debt Covenants) (Details) Sheet http://www.istarfinancial.com/role/DebtObligationsNetDebtCovenantsDetails Debt Obligations, net (Debt Covenants) (Details) Details http://www.istarfinancial.com/role/DebtObligationsNetTables 71 false false R72.htm 2413402 - Disclosure - Commitments and Contingencies (Narrative) (Details) Sheet http://www.istarfinancial.com/role/CommitmentsAndContingenciesNarrativeDetails Commitments and Contingencies (Narrative) (Details) Details http://www.istarfinancial.com/role/CommitmentsAndContingenciesTables 72 false false R73.htm 2413403 - Disclosure - Commitments and Contingencies (Unfunded Commitments) (Details) Sheet http://www.istarfinancial.com/role/CommitmentsAndContingenciesUnfundedCommitmentsDetails Commitments and Contingencies (Unfunded Commitments) (Details) Details http://www.istarfinancial.com/role/CommitmentsAndContingenciesTables 73 false false R74.htm 2414402 - Disclosure - Derivatives (Fair Value of Derivative Financial Instruments) (Details) Sheet http://www.istarfinancial.com/role/DerivativesFairValueOfDerivativeFinancialInstrumentsDetails Derivatives (Fair Value of Derivative Financial Instruments) (Details) Details http://www.istarfinancial.com/role/DerivativesTables 74 false false R75.htm 2414403 - Disclosure - Derivatives (Classification on the Consolidated Statements of Operations) (Details) Sheet http://www.istarfinancial.com/role/DerivativesClassificationOnConsolidatedStatementsOfOperationsDetails Derivatives (Classification on the Consolidated Statements of Operations) (Details) Details http://www.istarfinancial.com/role/DerivativesTables 75 false false R76.htm 2414404 - Disclosure - Derivatives (Foreign Exchange Contracts) (Details) Sheet http://www.istarfinancial.com/role/DerivativesForeignExchangeContractsDetails Derivatives (Foreign Exchange Contracts) (Details) Details http://www.istarfinancial.com/role/DerivativesTables 76 false false R77.htm 2414405 - Disclosure - Derivatives (Interest Rate Hedges) (Details) Sheet http://www.istarfinancial.com/role/DerivativesInterestRateHedgesDetails Derivatives (Interest Rate Hedges) (Details) Details http://www.istarfinancial.com/role/DerivativesTables 77 false false R78.htm 2414406 - Disclosure - Derivatives (Credit Risk-Related Contingent Features) (Details) Sheet http://www.istarfinancial.com/role/DerivativesCreditRiskRelatedContingentFeaturesDetails Derivatives (Credit Risk-Related Contingent Features) (Details) Details http://www.istarfinancial.com/role/DerivativesTables 78 false false R79.htm 2415402 - Disclosure - Equity (Preferred Stock) (Details) Sheet http://www.istarfinancial.com/role/EquityPreferredStockDetails Equity (Preferred Stock) (Details) Details http://www.istarfinancial.com/role/EquityTables 79 false false R80.htm 2415403 - Disclosure - Equity (Dividends) (Details) Sheet http://www.istarfinancial.com/role/EquityDividendsDetails Equity (Dividends) (Details) Details http://www.istarfinancial.com/role/EquityTables 80 false false R81.htm 2415404 - Disclosure - Equity (Stock Repurchase Program) (Details) Sheet http://www.istarfinancial.com/role/EquityStockRepurchaseProgramDetails Equity (Stock Repurchase Program) (Details) Details http://www.istarfinancial.com/role/EquityTables 81 false false R82.htm 2415405 - Disclosure - Equity (Accumulated Other Comprehensive Income (Loss)) (Details) Sheet http://www.istarfinancial.com/role/EquityAccumulatedOtherComprehensiveIncomeLossDetails Equity (Accumulated Other Comprehensive Income (Loss)) (Details) Details http://www.istarfinancial.com/role/EquityTables 82 false false R83.htm 2416401 - Disclosure - Stock-Based Compensation Plans and Employee Benefits (Stock-based Compensation) (Details) Sheet http://www.istarfinancial.com/role/StockBasedCompensationPlansAndEmployeeBenefitsStockBasedCompensationDetails Stock-Based Compensation Plans and Employee Benefits (Stock-based Compensation) (Details) Details http://www.istarfinancial.com/role/StockBasedCompensationPlansAndEmployeeBenefits 83 false false R84.htm 2416402 - Disclosure - Stock-Based Compensation Plans and Employee Benefits (Directors' Awards) (Details) Sheet http://www.istarfinancial.com/role/StockBasedCompensationPlansAndEmployeeBenefitsDirectorsAwardsDetails Stock-Based Compensation Plans and Employee Benefits (Directors' Awards) (Details) Details http://www.istarfinancial.com/role/StockBasedCompensationPlansAndEmployeeBenefits 84 false false R85.htm 2416403 - Disclosure - Stock-Based Compensation Plans and Employee Benefits (401(k) Plan) (Details) Sheet http://www.istarfinancial.com/role/StockBasedCompensationPlansAndEmployeeBenefits401KPlanDetails Stock-Based Compensation Plans and Employee Benefits (401(k) Plan) (Details) Details http://www.istarfinancial.com/role/StockBasedCompensationPlansAndEmployeeBenefits 85 false false R86.htm 2417402 - Disclosure - Earnings Per Share (Schedule of Earnings Per Share) (Details) Sheet http://www.istarfinancial.com/role/EarningsPerShareScheduleOfEarningsPerShareDetails Earnings Per Share (Schedule of Earnings Per Share) (Details) Details http://www.istarfinancial.com/role/EarningsPerShareTables 86 false false R87.htm 2417403 - Disclosure - Earnings Per Share (Earnings Allocable to Common Shares) (Details) Sheet http://www.istarfinancial.com/role/EarningsPerShareEarningsAllocableToCommonSharesDetails Earnings Per Share (Earnings Allocable to Common Shares) (Details) Details http://www.istarfinancial.com/role/EarningsPerShareTables 87 false false R88.htm 2417404 - Disclosure - Earnings Per Share (Anti-dilutive Shares) (Details) Sheet http://www.istarfinancial.com/role/EarningsPerShareAntiDilutiveSharesDetails Earnings Per Share (Anti-dilutive Shares) (Details) Details http://www.istarfinancial.com/role/EarningsPerShareTables 88 false false R89.htm 2418402 - Disclosure - Fair Values (Schedule of Fair Value Measurement) (Details) Sheet http://www.istarfinancial.com/role/FairValuesScheduleOfFairValueMeasurementDetails Fair Values (Schedule of Fair Value Measurement) (Details) Details http://www.istarfinancial.com/role/FairValuesTables 89 false false R90.htm 2418403 - Disclosure - Fair Values (Schedule of Level 3 Assets) (Details) Sheet http://www.istarfinancial.com/role/FairValuesScheduleOfLevel3AssetsDetails Fair Values (Schedule of Level 3 Assets) (Details) Details http://www.istarfinancial.com/role/FairValuesTables 90 false false R91.htm 2418404 - Disclosure - Fair Values (Narrative) (Details) Sheet http://www.istarfinancial.com/role/FairValuesNarrativeDetails Fair Values (Narrative) (Details) Details http://www.istarfinancial.com/role/FairValuesTables 91 false false R92.htm 2419402 - Disclosure - Segment Reporting (Schedule of Segments) (Details) Sheet http://www.istarfinancial.com/role/SegmentReportingScheduleOfSegmentsDetails Segment Reporting (Schedule of Segments) (Details) Details http://www.istarfinancial.com/role/SegmentReportingTables 92 false false R93.htm 2419403 - Disclosure - Segment Reporting (Reconciliation of Segment Profit to Net Income (Loss)) (Details) Sheet http://www.istarfinancial.com/role/SegmentReportingReconciliationOfSegmentProfitToNetIncomeLossDetails Segment Reporting (Reconciliation of Segment Profit to Net Income (Loss)) (Details) Details http://www.istarfinancial.com/role/SegmentReportingTables 93 false false R94.htm 2420401 - Disclosure - Subsequent Events (Narrative) (Details) Sheet http://www.istarfinancial.com/role/SubsequentEventsNarrativeDetails Subsequent Events (Narrative) (Details) Details http://www.istarfinancial.com/role/SubsequentEvents 94 false false All Reports Book All Reports star-20170331.xml star-20170331.xsd star-20170331_cal.xml star-20170331_def.xml star-20170331_lab.xml star-20170331_pre.xml true true