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Fair Value Measurements (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 USD ($) securitization | Sep. 30, 2014 USD ($) | Sep. 30, 2015 USD ($) securitization | Sep. 30, 2014 USD ($)
Fair Value Disclosures [Abstract] |  |  |  |
Residual interests held from securitizations | securitization | 7 |  | 7 |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance at beginning of period |  |  | $ 11,626 |
Total gains (losses) – realized/unrealized: |  |  |  |
Included in earnings |  |  | (481) |
Included in other comprehensive income |  |  | (268) |
Interest income on Residuals | $ 440 | $ 464 | 1,332 | $ 1,370
Cash received from Residuals |  |  | (1,235) |
Purchases, sales, issuances and settlements, net |  |  | 0 |
Transfers in and/or out of Level 3 |  |  | 0 |
Balance at end of period | $ 10,974 |  | 10,974 |
Changes in gains (losses) included in earnings attributable to a change in unrealized gains (losses) relating to assets still held at the end of period |  |  | $ 246 |

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- Definition Amount of unrealized (holding) gain (loss) which is included in the statement of income (or changes in net assets) related to those assets still held at the reporting date for which fair value is measured on a recurring basis using significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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