CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Capital Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]
Balance at Dec. 31, 2014	$ 122,034	$ 17,494	$ 44,892	$ 55,854	$ 3,794
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	7,049			7,049
Other comprehensive loss, net of tax	(670)				(670)
Cash dividends declared ($0.33 for 9 months ended September 30, 2015 and $0.39 for 9 months ended September 30, 2016)	(2,361)			(2,361)
Restricted stock vesting (15,692 shares for 9 months ended September 30, 2015 and 33,691 shares for the 9 months ended September 30, 2016)	0	39	(39)
Repurchase of restricted stock (4,577 shares for the 9 months ended September 30, 2015 and 12,958 shares for the 9 months ended September 30, 2016)	(83)	(11)	(72)
Share-based compensation	443		443
Balance at Sep. 30, 2015	126,412	17,522	45,224	60,542	3,124
Balance at Dec. 31, 2015	123,554	17,330	44,155	60,392	1,677
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	6,972			6,972
Other comprehensive loss, net of tax	1,126				1,126
Cash dividends declared ($0.33 for 9 months ended September 30, 2015 and $0.39 for 9 months ended September 30, 2016)	(2,764)			(2,764)
Exercise of stock options (6,650 shares)	92	16	76
Restricted stock vesting (15,692 shares for 9 months ended September 30, 2015 and 33,691 shares for the 9 months ended September 30, 2016)	0	84	(84)
Repurchase of restricted stock (4,577 shares for the 9 months ended September 30, 2015 and 12,958 shares for the 9 months ended September 30, 2016)	(256)	(32)	(224)
Share-based compensation	685		685
Repurchase of common stock (26,800 shares)	(489)	(67)	(422)
Balance at Sep. 30, 2016	$ 128,920	$ 17,331	$ 44,186	$ 64,600	$ 2,803