Fair Value Measurements - (Details 4) - Level 3 - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
OREO covered under loss-share agreements:
Carrying amount prior to remeasurement	$ 111	$ 0
Impairment recognized in results of operations	(9)	0
Increase in FDIC loss-share indemnification asset	(37)	0
Receivable from other guarantor	0	0
Fair value	65	0
OREO not covered under loss-share agreements:
Carrying amount prior to remeasurement	6,115	14,726
Impairment recognized in results of operations	(1,204)	(1,887)
Fair value	$ 4,911	$ 12,839