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, 2015	$ 2,132	$ 43,318	$ 47,616	$ (1,810)		$ 91,256
Net Income			5,933			5,933
Other comprehensive income				653		653
Cash dividends			(3,255)			(3,255)
Stock compensation expense		421				421
Excess tax benefit from stock-based compensation		22				22
Issued restricted shares	10	(10)
Issued shares under Dividend Reinvestment Plan	3	129				132
Issued shares in Employee Stock Purchase Plan	2	106				108
Issued shares in stock option exercises		8				8
Repurchased shares in treasury stock					$ (80)	(80)
Reissued restricted shares, net of forfeitures		(5)			5
Reissued shares in stock option exercises		(6)			6
Balance at Sep. 30, 2016	2,147	43,983	50,294	(1,157)	(69)	95,198
Balance at Dec. 31, 2016	2,153	44,389	52,630	(2,424)		96,748
Net Income			9,487			9,487
Other comprehensive income				204		204
Cash dividends			(3,813)			(3,813)
Stock compensation expense		462				462
Issued shares in stock offering	220	13,922				14,142
Issued restricted shares	9	(9)
Issued shares under Dividend Reinvestment Plan	2	124				126
Issued shares in Employee Stock Purchase Plan	2	124				126
Issued shares in stock option exercises	5	140				145
Repurchased shares in treasury stock					(342)	(342)
Reissued shares in stock option exercises		(135)			$ 342	207
Balance at Sep. 30, 2017	$ 2,391	$ 59,017	$ 58,304	$ (2,220)		$ 117,492