Significant Accounting Policies and Consolidated Financial Statement Components Fees and Related Income on Earning Assets (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Accounting Policies [Abstract] | ||||
| Fees on credit products | $ 944 | $ 1,759 | $ 2,599 | $ 5,824 |
| Changes in fair value of loans and fees receivable recorded at fair value | (1,857) | 1,307 | 568 | 4,519 |
| Changes in fair value of notes payable associated with structured financings recorded at fair value | 259 | 2,141 | 2,363 | 1,359 |
| Rental revenue | 758 | 9,378 | 8,091 | 28,765 |
| Other | (29) | 2,092 | 219 | 2,180 |
| Total fees and related income on earning assets | $ 75 | $ 16,677 | $ 13,840 | $ 42,647 |