FDIC Shared-Loss Receivable FDIC Shared-Loss Receivable (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
FDIC Shared-Loss Receivable [Abstract]
Net payment to the FDIC for termination of shared-loss agreements	$ 285	$ 0
Termination of FDIC shared-loss agreements	240	0
Loss on termination of FDIC share-loss agreements	(45)	0
FDIC shared-loss payable	98,013		$ 97,008
Net Impact from FDIC shared-loss termination	(45)	$ 0
Loans and Leases Receivable, Gross, Carrying Amount, Covered	$ 75,900