Fair Value Measurements (Details 4) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
OREO measured at fair value on a nonrecurring basis
OREO covered under loss-share agreements:	$ 0	$ 1,813
OREO not covered under loss-share agreements:	12,839	2,647
Carrying amount prior to remeasurement
OREO measured at fair value on a nonrecurring basis
OREO covered under loss-share agreements:	0	3,162
OREO not covered under loss-share agreements:	14,726	3,513
Impairment recognized in results of operations
OREO measured at fair value on a nonrecurring basis
OREO covered under loss-share agreements:	0	(185)
OREO not covered under loss-share agreements:	(1,887)	(866)
Increase in FDIC loss-share indemnification asset
OREO measured at fair value on a nonrecurring basis
OREO covered under loss-share agreements:	0	(742)
Receivable from other guarantor
OREO measured at fair value on a nonrecurring basis
OREO covered under loss-share agreements:	$ 0	$ (422)