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Fair Value Measurements (Reconciliation Of Residuals) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
securitization
Sep. 30, 2013
Sep. 30, 2014
securitization
Sep. 30, 2013
Fair Value Disclosures [Abstract]        
Residual interests held from securitizations 7   7  
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at beginning of period     $ 11,721  
Included in earnings     (256)  
Included in other comprehensive income     701  
Interest income on Residuals 464 594 1,370 1,789
Cash received from Residuals     (1,461)  
Purchases, sales, issuances and settlements, net     0  
Transfers in and/or out of Level 3     0  
Balance at end of period 12,075   12,075  
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     $ 163