Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Treasury Stock [Member]	Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Total
Balance at Dec. 31, 2014	$ 13,000	$ 2,931	$ (2,301)	$ 34,745	$ 17,132	$ (1,599)	$ 63,908
Net income					3,756		3,756
Other comprehensive income (loss)						426	426
Redemption of preferred stock	(9,750)						(9,750)
Restricted stock compensation expense		14		236			250
Exercise of stock options		16		247			263
Taxes on stock option exercise and share award vest				(153)			(153)
Cash dividends - common					(587)		(587)
Cash dividends SBLF preferred					(42)		(42)
Sale of treasury shares to 401(k)			151	49			200
Sale of treasury shares to deferred comp. plan			74	23			97
Balance at Sep. 30, 2015	$ 3,250	2,961	(2,076)	35,147	20,259	(1,173)	58,368
Balance at Dec. 31, 2015		2,955	(2,015)	35,097	21,436	(1,985)	55,488
Net income					2,666		2,666
Other comprehensive income (loss)						914	914
Restricted stock compensation expense		36		765			801
Taxes on stock option exercise and share award vest		(16)		(421)			(437)
Tax benefit for restricted stock vest				64			64
Cash dividends - common					(598)		(598)
Sale of treasury shares to 401(k)			130	68			198
Sale of treasury shares to deferred comp. plan			80	41			121
Balance at Sep. 30, 2016		$ 2,975	$ (1,805)	$ 35,614	$ 23,504	$ (1,071)	$ 59,217