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, 2009	$ 4,299	$ 32,832	$ 54,566	$ (5,138)	$ (7,793)	$ 78,766
Comprehensive income:
Net income			4,133			4,133
Unrealized gain on securities, net of reclassification adjustments and taxes				482		482
Unrealized gain on hedging activities, net of reclassification adjustments and taxes				(435)		(435)
Pension adjustment, net of tax				(126)		(126)
Total Comprehensive Income						4,054
Cash dividends declared			(2,089)			(2,089)
Treasury shares issued under stock option plans		(2)			18	16
Treasury shares issued to dividend reinvestment plan		(24)			434	410
Balance at Jun. 30, 2010	4,299	32,806	56,610	(5,217)	(7,341)	81,157
Balance at Dec. 31, 2010	4,317	33,096	57,984	(5,642)	(7,116)	82,639
Comprehensive income:
Net income			3,608			3,608
Unrealized gain on securities, net of reclassification adjustments and taxes				1,343		1,343
Unrealized gain on hedging activities, net of reclassification adjustments and taxes				50		50
Total Comprehensive Income						5,001
Cash dividends declared			(2,122)			(2,122)
Treasury shares issued under stock option plans		(2)			29	27
Treasury shares issued to dividend reinvestment plan	35	615				650
Balance at Jun. 30, 2011	$ 4,352	$ 33,709	$ 59,470	$ (4,249)	$ (7,087)	$ 86,195