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	4,728			4,728
Other comprehensive loss, net of tax	(740)				(740)
Cash dividends ($0.20 for 6 months ended June 30, 2015 and $0.26 declared for 6 months ended June 30, 2016)	(1,430)			(1,430)
Restricted stock vesting (15,525 shares for 6 months ended June 30, 2015 and 33,525 shares for the 6 months ended June 30, 2016)	0	38	(38)
Repurchase of restricted stock (4,538 shares for the 6 months ended June 30, 2015 and 12,914 shares for the 6 months ended June 30, 2016)	(82)	(11)	(71)
Share-based compensation	280		280
Balance at Jun. 30, 2015	124,790	17,521	45,063	59,152	3,054
Balance at Dec. 31, 2015	123,554	17,330	44,155	60,392	1,677
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	4,708			4,708
Other comprehensive loss, net of tax	1,854				1,854
Cash dividends ($0.20 for 6 months ended June 30, 2015 and $0.26 declared for 6 months ended June 30, 2016)	(1,841)			(1,841)
Exercise of stock options (4,638 shares)	64	11	53
Restricted stock vesting (15,525 shares for 6 months ended June 30, 2015 and 33,525 shares for the 6 months ended June 30, 2016)	0	84	(84)
Repurchase of restricted stock (4,538 shares for the 6 months ended June 30, 2015 and 12,914 shares for the 6 months ended June 30, 2016)	(256)	(32)	(224)
Share-based compensation	445		445
Repurchase of common stock (26,800 shares)	(489)	(67)	(422)
Balance at Jun. 30, 2016	$ 128,039	$ 17,326	$ 43,923	$ 63,259	$ 3,531