Fair Value Measurements - (Details 4) - Level 3 - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
OREO measured at fair value on a nonrecurring basis
Carrying amount prior to remeasurement	$ 6,750	$ 8,290
Impairment recognized in results of operations	(583)	(1,549)
Fair value	$ 6,167	$ 6,741