Consolidated Statements of Changes in Stockholders' Equity (USD $) In Thousands, unless otherwise specified	Total	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance at Dec. 31, 2013	$ 106,802	$ 15,135	$ (728)	$ 9,628	$ 82,661	$ 106
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,472				2,472
Other comprehensive income, net of taxes	125					125
Common stock shares issued	95	13		82
Cash dividends declared	(1,138)				(1,138)
Ending Balance at Mar. 31, 2014	108,356	15,148	(728)	9,710	83,995	231
Beginning Balance at Dec. 31, 2014	110,022	15,196	(728)	9,948	88,329	(2,723)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,543				2,543
Other comprehensive income, net of taxes	193					193
Common stock shares issued	92	11		81
Cash dividends declared	(1,203)				(1,203)
Ending Balance at Mar. 31, 2015	$ 111,647	$ 15,207	$ (728)	$ 10,029	$ 89,669	$ (2,530)