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			6,555			6,555
Other comprehensive income				1,678		1,678
Cash dividends declared			(2,132)			(2,132)
Treasury shares issued under stock option plans		(9)			64	55
Common stock issued under dividend reinvestment plan	29	514				543
Balance at Sep. 30, 2014	4,590	37,141	70,320	(3,018)	(6,946)	102,087
Balance at Dec. 31, 2014	4,607	37,504	71,452	(3,100)	(6,942)	103,521
Net income			7,937			7,937
Other comprehensive income				24		24
Cash dividends declared			(2,330)			(2,330)
Treasury shares issued under stock option plans		6			86	92
Common stock issued under dividend reinvestment plan	36	833				869
Balance at Sep. 30, 2015	$ 4,643	$ 38,343	$ 77,059	$ (3,076)	$ (6,856)	$ 110,113