Fair Value Measurements - (Details 3) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Impaired loans measured at fair value on a nonrecurring basis
Impaired loans	$ 6,979	$ 12,360
OREO	3,048	4,460
Total	10,027	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	6,979	12,360
OREO	3,048	4,460
Total	$ 10,027	$ 16,820