FDIC Loss Share Receivable (Changes in Receivable from FDIC) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015	Dec. 31, 2014
FDIC Loss Share Receivable [Abstract]
FDIC Indemnification Asset	$ 3,108	$ 9,276	$ 3,108	$ 9,276	$ 5,281	$ 4,054	$ 5,808	$ 28,701
Receivable From FDIC For Loss Share Agreements [Roll Forward]
Accretion of discounts and premiums, net	(1,017)	(2,343)	(4,259)	(8,835)
Receipt of payments from FDIC	3,199	13,915	16,701	24,805
Post-acquisition and other adjustments, net	(4,355)	(8,104)	(11,926)	(35,395)
Termination of FDIC loss share agreements	$ 0	$ 0	$ (1,462)	$ 0