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Commitments and Contingencies (Changes To Anticipated Loan Losses) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Loss Contingency Accrual [Roll Forward]        
Liabilities, beginning of period $ 58,226 $ 102,972 $ 58,222 $ 124,956
Reserves provided and adjustments 81 0 139 (18,604)
Payments (69) (40,265) (123) (43,645)
Liabilities, end of period $ 58,238 $ 62,707 $ 58,238 $ 62,707