Consolidated Statements Of Changes In Stockholders’ Equity - USD ($) $ in Thousands	Common Stock [Member]	Capital Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2014	$ 2,123	$ 43,102	$ 42,822	$ (1,508)	$ (751)	$ 85,788
Net Income			7,843			7,843
Other comprehensive loss				(302)		(302)
Cash dividends			(3,049)			(3,049)
Stock options and restricted stock expense		495				495
Excess tax benefit from stock-based compensation		32				32
Reissued restricted shares		(503)			503
Reissued shares under Dividend Reinvestment Plan		31			246	277
Issued shares in Employee Stock Purchase Plan	5	211				216
Issued shares in stock option exercises	4	(4)
Repurchased shares in treasury stock					(210)	(210)
Reissued shares in stock option exercises		(46)			212	166
Balance at Dec. 31, 2015	2,132	43,318	47,616	(1,810)		91,256
Net Income			8,272			8,272
Other comprehensive loss				(614)		(614)
Cash dividends			(3,258)			(3,258)
Stock compensation expense		553				553
Excess tax benefit from stock-based compensation		43				43
Issued restricted shares	10	(10)
Issued shares under Dividend Reinvestment Plan	4	179				183
Reissued shares under Dividend Reinvestment Plan		8			69	77
Issued shares in Employee Stock Purchase Plan	5	221				226
Issued shares in stock option exercises	2	88				90
Repurchased shares in treasury stock					(80)	(80)
Reissued shares in stock option exercises		(6)			6
Reissued restricted shares, net of forfeitures		(5)			5
Balance at Dec. 31, 2016	2,153	44,389	52,630	(2,424)		96,748
Net Income			10,479			10,479
Other comprehensive loss				(362)		(362)
Reclassification of certain tax effects from AOCI related to the Tax Cuts and Jobs Act of 2017			631	(631)
Cash dividends			(3,819)			(3,819)
Stock compensation expense		623				623
Reissued restricted shares
Issued shares in stock offering	220	13,922				14,142
Issued restricted shares, net of forfeitures	9	(9)
Issued shares under Dividend Reinvestment Plan	3	249				252
Issued shares in Employee Stock Purchase Plan	4	261				265
Issued shares in stock option exercises	5	140				145
Repurchased shares in treasury stock					(342)	(342)
Reissued shares in stock option exercises		(131)			$ 342	211
Balance at Dec. 31, 2017	$ 2,394	$ 59,444	$ 59,921	$ (3,417)		$ 118,342