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	3,522	0	0	0	3,522
Other comprehensive income (loss), net of tax	0	0	0	0	7,893	0	0	7,893
Dividends on common stock	0	0	0	(425)	0	0	0	(425)
Dividends accrued on preferred stock	0	0	0	(381)	0	0	0	(381)
Purchase of shares for treasury	0	0	0	0	0	0	(556)	(556)
Issuance of shares under stock plans	0	0	25	0	0	0	81	106
Balance at Sep. 30, 2012	70	22,401	57,161	8,895	20,137	0	(2,228)	106,436
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	9,562	0	0	0	9,562
Other comprehensive income (loss), net of tax	0	0	0	0	(16,377)	0	0	(16,377)
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	(364)	0	0	0	(364)
Restricted stock grants	0	0	393	0	0	(704)	311	0
Amortization of unearned compensation	0	0	0	0	0	137	0	137
Purchase of shares for treasury	0	0	0	0	0	0	(867)	(867)
Issuance of shares under stock plans	0	0	18	0	0	0	108	126
Balance at Sep. 30, 2013	$ 65	$ 22,401	$ 57,096	$ 17,396	$ 3,194	$ (567)	$ (2,555)	$ 97,030