Fair Value Measurements - (Details 3) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Impaired loans measured at fair value on a nonrecurring basis
Impaired loans	$ 6,485	$ 12,360
OREO	6,402	4,460
Total	12,887	16,820
Level 1
Impaired loans measured at fair value on a nonrecurring basis
Impaired loans	0	0
OREO	0	0
Total	0	0
Level 2
Impaired loans measured at fair value on a nonrecurring basis
Impaired loans	0	0
OREO	0	0
Total	0	0
Level 3
Impaired loans measured at fair value on a nonrecurring basis
Impaired loans	6,485	12,360
OREO	6,402	4,460
Total	$ 12,887	$ 16,820