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Loans Receivable and Other Lending Investments, net (Reserve for Loan Losses) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Allowance for Loan Losses [Roll Forward] |  |  |  |
Reserve for loan losses at beginning of period | $ 78,789 | $ 110,371 | $ 85,545 | $ 108,165
(Recovery of) provision for loan losses | (2,600) | (14,955) | (8,128) | (12,749)
Charge-offs | 0 | 0 | (1,228) | 0
Reserve for loan losses at end of period | $ 76,189 | 95,416 | $ 76,189 | 95,416
Recovery of loan losses |  | $ 11,700 |  | $ 11,700

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- References No definition available. + Details
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- Definition Reflects the amount of loans that have been removed, or charged off, from both loan receivables and the reserve for credit losses, typically because they are considered to be not salvageable or have been purchased by unconsolidated collection entities. + References No definition available. + Details
Name: | star_AllowanceForLoanLossesWriteOffs
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- Definition Allowance for Loan and Lease Loss, Recovery of Bad Debts, Net of (Provision for Loan and Lease Losses) + References No definition available. + Details
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- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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