Commitments and Contingencies (Changes To Anticipated Loan Losses) (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2016 |
Mar. 31, 2015 |
|
| Loss Contingency Accrual [Roll Forward] | ||
| Liabilities, beginning of period | $ 46,381 | $ 58,222 |
| Reserves provided (released), net | 866 | 58 |
| Payments | (154) | (54) |
| Liabilities, end of period | $ 47,093 | $ 58,226 |