CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
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	8,165				8,165
Other comprehensive income (loss), net of taxes	(418)					(418)
Common stock shares issued	389	47		342
Cash dividends declared	(3,613)				(3,613)
Ending Balance at Sep. 30, 2015	114,545	15,243	(728)	10,290	92,881	(3,141)
Beginning Balance at Dec. 31, 2015	114,715	15,256	(728)	10,387	94,526	(4,726)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	8,297				8,297
Other comprehensive income (loss), net of taxes	853					853
Common stock shares issued	338	35		303
Restricted stock grants	119	19		100
Restricted stock compensation expense	59			59
Cash dividends declared	(3,627)				(3,627)
Ending Balance at Sep. 30, 2016	$ 120,754	$ 15,310	$ (728)	$ 10,849	$ 99,196	$ (3,873)