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Other Investments (Summarized financial information) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2012 | Apr. 19, 2013 | Jul. 28, 2010
Equity Method Investments, Summarized Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 626,039us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue |  | $ 284,513us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue |  | $ 401,870us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue |  |  |  |  |  |  |  |  |
Expenses | (185,603)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses |  | (77,633)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses |  | (95,391)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses |  |  |  |  |  |  |  |  |
Net income attributable to parent entities | 440,210us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss |  | 206,198us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss |  | 304,960us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss |  |  |  |  |  |  |  |  |
Equity Method Investments Excluding Lnr Property Corporation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments, Summarized Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total assets | 3,464,984us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_EquityMethodInvestmentsExcludingLnrPropertyCorporationMember |  | 2,980,737us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_EquityMethodInvestmentsExcludingLnrPropertyCorporationMember |  |  |  |  |  |  |  |  |  |  |
Total liabilities | 479,298us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilities / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_EquityMethodInvestmentsExcludingLnrPropertyCorporationMember |  | 303,100us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilities / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_EquityMethodInvestmentsExcludingLnrPropertyCorporationMember |  |  |  |  |  |  |  |  |  |  |
Noncontrolling interests | 3,297us-gaap_EquityMethodInvestmentSummarizedFinancialInformationMinorityInterest / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_EquityMethodInvestmentsExcludingLnrPropertyCorporationMember |  | 333us-gaap_EquityMethodInvestmentSummarizedFinancialInformationMinorityInterest / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_EquityMethodInvestmentsExcludingLnrPropertyCorporationMember |  |  |  |  |  |  |  |  |  |  |
Total equity | 2,982,389us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_EquityMethodInvestmentsExcludingLnrPropertyCorporationMember |  | 2,677,304us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_EquityMethodInvestmentsExcludingLnrPropertyCorporationMember |  |  |  |  |  |  |  |  |  |  |
Alinda |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments, Summarized Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  | 233,130us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_AlindaInfrastructureFundIL.P.Member | [1] | 123,447us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_AlindaInfrastructureFundIL.P.Member | [1] | 104,364us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_AlindaInfrastructureFundIL.P.Member | [1] |  |  |
Expenses |  |  |  |  |  | (15,433)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_AlindaInfrastructureFundIL.P.Member | [1] | (17,927)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_AlindaInfrastructureFundIL.P.Member | [1] | (16,934)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_AlindaInfrastructureFundIL.P.Member | [1] |  |  |
Net income attributable to parent entities |  |  |  |  |  | 217,697us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_AlindaInfrastructureFundIL.P.Member | [1] | 105,520us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_AlindaInfrastructureFundIL.P.Member | [1] | 87,430us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_AlindaInfrastructureFundIL.P.Member | [1] |  |  |
iStar's ownership percentage | 1.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_AlindaInfrastructureFundIL.P.Member |  |  |  |  |  |  |  |  |  |  |  |  |
Marina Palms, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments, Summarized Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues | 114,125us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MarinaPalmsLLCMember |  | 73us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MarinaPalmsLLCMember | [2] |  |  |  |  |  |  |  |  |  |
Expenses | (77,120)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MarinaPalmsLLCMember |  | (3,525)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MarinaPalmsLLCMember | [2] |  |  |  |  |  |  |  |  |  |
Net income attributable to parent entities | 37,005us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MarinaPalmsLLCMember |  | (3,452)us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MarinaPalmsLLCMember | [2] |  |  |  |  |  |  |  |  |  |
iStar Net Lease I LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments, Summarized Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues | 13,826us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_IStarNetLeaseILLCMember | [3] |  |  |  |  |  |  |  |  |  |  |  |
Expenses | (9,917)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_IStarNetLeaseILLCMember | [3] |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to parent entities | 3,691us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_IStarNetLeaseILLCMember | [3] |  |  |  |  |  |  |  |  |  |  |  |
MIRELF III |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments, Summarized Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues | 20,293us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MadisonInternationalLiquidityFundIIIandSubsidiariesMember |  | 19,460us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MadisonInternationalLiquidityFundIIIandSubsidiariesMember |  | 13,490us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MadisonInternationalLiquidityFundIIIandSubsidiariesMember |  |  |  |  |  |  |  |  |
Expenses | (1,401)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MadisonInternationalLiquidityFundIIIandSubsidiariesMember |  | (1,675)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MadisonInternationalLiquidityFundIIIandSubsidiariesMember |  | (3,894)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MadisonInternationalLiquidityFundIIIandSubsidiariesMember |  |  |  |  |  |  |  |  |
Net income attributable to parent entities | 18,846us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MadisonInternationalLiquidityFundIIIandSubsidiariesMember |  | 17,739us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MadisonInternationalLiquidityFundIIIandSubsidiariesMember |  | 9,550us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MadisonInternationalLiquidityFundIIIandSubsidiariesMember |  |  |  |  |  |  |  |  |
iStar's ownership percentage | 32.90%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MadisonInternationalLiquidityFundIIIandSubsidiariesMember |  |  |  |  |  |  |  |  |  |  |  |  |
MIRELF III AIV |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments, Summarized Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues | (1,194)us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MIRELFIIIAIVLPandSubsidiariesMember |  | 26,348us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MIRELFIIIAIVLPandSubsidiariesMember |  | (12,762)us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MIRELFIIIAIVLPandSubsidiariesMember |  |  |  |  |  |  |  |  |
Expenses | (384)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MIRELFIIIAIVLPandSubsidiariesMember |  | (1,167)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MIRELFIIIAIVLPandSubsidiariesMember |  | (1,731)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MIRELFIIIAIVLPandSubsidiariesMember |  |  |  |  |  |  |  |  |
Net income attributable to parent entities | (1,578)us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MIRELFIIIAIVLPandSubsidiariesMember |  | 25,181us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MIRELFIIIAIVLPandSubsidiariesMember |  | (14,493)us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MIRELFIIIAIVLPandSubsidiariesMember |  |  |  |  |  |  |  |  |
iStar's ownership percentage | 32.90%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MIRELFIIIAIVLPandSubsidiariesMember |  |  |  |  |  |  |  |  |  |  |  |  |
Westgate |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments, Summarized Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues | 13,118us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_OutletsatWestgateLLCMember |  | 12,447us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_OutletsatWestgateLLCMember |  | 1,935us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_OutletsatWestgateLLCMember |  |  |  |  |  |  |  |  |
Expenses | (9,618)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_OutletsatWestgateLLCMember |  | (8,889)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_OutletsatWestgateLLCMember |  | (2,202)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_OutletsatWestgateLLCMember |  |  |  |  |  |  |  |  |
Net income attributable to parent entities | 3,500us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_OutletsatWestgateLLCMember |  | 3,558us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_OutletsatWestgateLLCMember |  | (267)us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_OutletsatWestgateLLCMember |  |  |  |  |  |  |  |  |
OHASCF |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments, Summarized Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues | 78,262us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_OHAStrategicCreditMasterFundLPMember |  | 72,313us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_OHAStrategicCreditMasterFundLPMember |  | 109,234us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_OHAStrategicCreditMasterFundLPMember |  |  |  |  |  |  |  |  |
Expenses | (951)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_OHAStrategicCreditMasterFundLPMember |  | (1,642)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_OHAStrategicCreditMasterFundLPMember |  | (2,700)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_OHAStrategicCreditMasterFundLPMember |  |  |  |  |  |  |  |  |
Net income attributable to parent entities | 77,311us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_OHAStrategicCreditMasterFundLPMember |  | 70,671us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_OHAStrategicCreditMasterFundLPMember |  | 106,534us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_OHAStrategicCreditMasterFundLPMember |  |  |  |  |  |  |  |  |
Moor Park |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments, Summarized Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues | 25,760us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MoorParkRealEstatePartnersIILPMember |  | 1,373us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MoorParkRealEstatePartnersIILPMember |  | 1,225us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MoorParkRealEstatePartnersIILPMember |  |  |  |  |  |  |  |  |
Expenses | (224)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MoorParkRealEstatePartnersIILPMember |  | (304)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MoorParkRealEstatePartnersIILPMember |  | (435)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MoorParkRealEstatePartnersIILPMember |  |  |  |  |  |  |  |  |
Net income attributable to parent entities | 25,536us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MoorParkRealEstatePartnersIILPMember |  | 1,069us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MoorParkRealEstatePartnersIILPMember |  | 790us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_MoorParkRealEstatePartnersIILPMember |  |  |  |  |  |  |  |  |
LNR Property LLC (LNR) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments, Summarized Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  | 332,902us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_LnrPropertyLlcMember | [4],[5] | 179,373us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_LnrPropertyLlcMember | [4],[5] |
Net income attributable to parent entities |  |  |  |  |  |  |  |  |  | 253,039us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_LnrPropertyLlcMember | [5],[6] | 113,478us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_LnrPropertyLlcMember | [5],[6] |
iStar's ownership percentage |  |  |  |  |  |  |  |  |  | 24.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_LnrPropertyLlcMember | [5] | 24.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_LnrPropertyLlcMember | [5] | 24.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_LnrPropertyLlcMember
Other |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments, Summarized Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues | 128,719us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_EquityMethodInvestmentsExcludingSignificantSubsidiariesMember |  | 29,052us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_EquityMethodInvestmentsExcludingSignificantSubsidiariesMember |  | 184,384us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_EquityMethodInvestmentsExcludingSignificantSubsidiariesMember |  |  |  |  |  |  |  |  |
Expenses | (70,555)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_EquityMethodInvestmentsExcludingSignificantSubsidiariesMember |  | (42,504)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_EquityMethodInvestmentsExcludingSignificantSubsidiariesMember |  | (67,495)star_EquityMethodInvestmentSummarizedFinancialInformationCostsandExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_EquityMethodInvestmentsExcludingSignificantSubsidiariesMember |  |  |  |  |  |  |  |  |
Net income attributable to parent entities | $ 58,202us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_EquityMethodInvestmentsExcludingSignificantSubsidiariesMember |  | $ (14,088)us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_EquityMethodInvestmentsExcludingSignificantSubsidiariesMember |  | $ 115,416us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = star_EquityMethodInvestmentsExcludingSignificantSubsidiariesMember |  |  |  |  |  |  |  |  |
[1] | The Company recorded its 1% investment in Alinda on a quarter lag. Therefore, the amounts in the Company's financial statements for the years ended December 31, 2014, 2013 and 2012 were based on balances and results from Alinda for the years ended September 30, 2014, 2013 and 2012, respectively.
[2] | The Company began accounting for its investment in Marina Palms under the equity method of accounting on April 17, 2013. The amounts in the Company's financial statements for the year ended December 31, 2013 are based on the balances and results from Marina Palms for the period from April 17, 2013 to December 31, 2013.
[3] | The Company began accounting for its investment in Net Lease Venture under the equity method of accounting on February 13, 2014. The amounts in the Company's financial statements for the year ended December 31, 2014 are based on the balances and results from Net Lease Venture for the period from February 13, 2014 to December 31, 2014.
[4] | LNR consolidates certain commercial mortgage-backed securities and collateralized debt obligation trusts that are considered VIEs (and for which it is the primary beneficiary), that have been included in the amounts presented above. Total revenue presented above includes $55.5 million and $95.4 million for the period from October 1, 2012 to April 19, 2013 and for the year ended September 30, 2012, respectively, of servicing fee revenue that is eliminated upon consolidation of the VIE's at the LNR level. This income is then added back through consolidation at the LNR level as an adjustment to income allocable to noncontrolling entities and has no net impact on net income attributable to LNR.
[5] | The Company recorded its investment in LNR, which was sold in April 2013, on a one quarter lag. Therefore, the amounts in the Company's financial statements for the year ended December 31, 2013 was based on balances and results from LNR for the period from October 1, 2012 to April 19, 2013. The amounts in the Company's financial statements for the year ended December 31, 2012 are based on the balances and results from LNR for the year ended September 30, 2012.
[6] | Subsequent to the sale of the Company's interest in LNR, LNR reported a reduction in their earnings of $66.2 million related to a purchase price allocation adjustment. The reduction was reflected in LNR's operations for the three months ended March 31, 2013, which resulted in a net loss for the period. Because the Company recorded its investment in LNR on a one quarter lag, the adjustment was reflected in the quarter ended June 30, 2013. There was no net impact on the Company's previously reported equity in earnings as the Company limited its proportionate share of earnings from LNR pursuant to the definitive sale agreement as described above.

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