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, 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, 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)
Beginning Balance at Dec. 31, 2016	120,061	15,317	(728)	10,941	100,555	(6,024)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	7,271				7,271
Other comprehensive income, net of taxes	635					635
Common stock shares issued	28,878	2,373		26,505
Restricted stock grants	120	15		105
Restricted stock compensation expense	120			120
Cash dividends declared	(3,829)				(3,829)
Ending Balance at Sep. 30, 2017	$ 153,256	$ 17,705	$ (728)	$ 37,671	$ 103,997	$ (5,389)