Loans (Covered Loan Loss Share Receivable) (Details) - Loss Share Receivable - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Loss Share Receivable Rollforward [Roll Forward]
Balance at beginning of period	$ (9,436)	$ (20,005)	$ (9,947)	$ (22,033)
Amortization	(358)	(1,185)	(706)	(3,372)
Increase/(decrease) due to impairment (recapture) on FDIC acquired loans	(12)	1,819	257	6,046
FDIC reimbursement	(194)	(8,713)	(386)	(12,726)
FDIC acquired loans paid in full	(317)	(106)	(557)	(161)
Balance at end of the period	(8,555)	$ (11,820)	(8,555)	$ (11,820)
Single Family Loss Share Agreement
Loss Share Receivable Rollforward [Roll Forward]
Balance at end of the period	$ (8,600)		$ (8,600)