Consolidated Statements Of Changes In Shareholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2013	$ 4,561	$ 36,636	$ 65,897	$ (4,696)	$ (7,010)	$ 95,388
Net income			4,145			4,145
Other comprehensive income (loss)				1,419		1,419
Cash dividends declared			(1,419)			(1,419)
Treasury shares issued under stock option plans		(10)			62	52
Common stock issued under dividend reinvestment plan	20	354				374
Balance at Jun. 30, 2014	4,581	36,980	68,623	(3,277)	(6,948)	99,959
Balance at Dec. 31, 2014	4,607	37,504	71,452	(3,100)	(6,942)	103,521
Net income			5,358			5,358
Other comprehensive income (loss)				(700)		(700)
Cash dividends declared			(1,522)			(1,522)
Treasury shares issued under stock option plans		5			81	86
Common stock issued under dividend reinvestment plan	18	417				435
Balance at Jun. 30, 2015	$ 4,625	$ 37,926	$ 75,288	$ (3,800)	$ (6,861)	$ 107,178