FDIC Shared-Loss Payable (Changes in Receivable from FDIC) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
FDIC Shared-Loss Receivable [Abstract]
FDIC shared-loss payable	$ 105,618	$ 105,618
FDIC Indemnification Asset [Roll Forward]
Beginning balance	105,618	101,342
Accretion	6,777	4,023
Adjustments related to changes in assumptions	0	253
Ending balance	$ 112,395	$ 105,618