CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) (USD $) In Thousands, unless otherwise specified	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Unearned Stock Grant Compensation [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2011	$ 70	$ 22,401	$ 57,136	$ 6,179	$ 12,244	$ 0	$ (1,753)	$ 96,277
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	0	2,438	0	0	0	2,438
Other comprehensive income (loss), net of tax	0	0	0	0	3,506	0	0	3,506
Dividends on common stock	0	0	0	(426)	0	0	0	(426)
Dividends accrued on preferred stock	0	0	0	(254)	0	0	0	(254)
Purchase of shares for treasury	0	0	0	0	0	0	(49)	(49)
Issuance of shares under stock plans	0	0	22	0	0	0	78	100
Balance at Jun. 30, 2012	70	22,401	57,158	7,937	15,750	0	(1,724)	101,592
Balance at Dec. 31, 2012	70	22,401	57,180	8,621	19,571	0	(2,107)	105,736
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	0	6,882	0	0	0	6,882
Other comprehensive income (loss), net of tax	0	0	0	0	(12,350)	0	0	(12,350)
Preferred stock redeemed	(5)	0	(495)	0	0	0	0	(500)
Dividends on common stock	0	0	0	(423)	0	0	0	(423)
Dividends accrued on preferred stock	0	0	0	(246)	0	0	0	(246)
Restricted stock grants	0	0	393	0	0	(704)	311	0
Amortization of unearned compensation	0	0	0	0	0	55	0	55
Purchase of shares for treasury	0	0	0	0	0	0	(520)	(520)
Issuance of shares under stock plans	0	0	10	0	0	0	103	113
Balance at Jun. 30, 2013	$ 65	$ 22,401	$ 57,088	$ 14,834	$ 7,221	$ (649)	$ (2,213)	$ 98,747