CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
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	10,290				10,290
Other comprehensive loss, net of taxes	(2,829)					(2,829)
Common stock shares issued	381	61		320
Cash dividends declared	(4,622)				(4,622)
Ending 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	11,017				11,017
Other comprehensive loss, net of taxes	(2,003)					(2,003)
Common stock shares issued	499	60		439
Cash dividends declared	(4,820)				(4,820)
Ending 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	10,869				10,869
Other comprehensive loss, net of taxes	(1,298)					(1,298)
Common stock shares issued	437	42		395
Restricted stock grants	119	19		100
Restricted stock compensation expense	59			59
Cash dividends declared	(4,840)				(4,840)
Ending Balance at Dec. 31, 2016	$ 120,061	$ 15,317	$ (728)	$ 10,941	$ 100,555	$ (6,024)