Receivable from FDIC for Loss Share Agreements (Changes in Receivable from FDIC) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
Receivable From FDIC For Loss Share Agreements [Abstract]
FDIC Indemnification Asset	$ 5,808	$ 49,959	$ 5,808	$ 49,959	$ 21,340	$ 28,701	$ 74,784	$ 93,397
Receivable From FDIC For Loss Share Agreements [Roll Forward]
Accretion of discounts and premiums, net	(1,461)	(12,922)	(6,492)	(30,667)
Receipt of payments from FDIC	5,128	859	10,890	4,350
Post-acquisition and other adjustments, net	$ (19,199)	$ (12,762)	$ (27,291)	$ (17,121)