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]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2010	$ 70	$ 22,374	$ 57,129	$ 3,886	$ (604)	$ (162)	$ 82,693
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	0	2,365	0	0	2,365
Other comprehensive income, net of tax	0	0	0	0	10,965	0	10,965
Dividends on common stock	0	0	0	(445)	0	0	(445)
Dividends accrued on preferred stock	0	0	0	(381)	0	0	(381)
Purchase of shares for treasury	0	0	0	0	0	(71)	(71)
Balance at Sep. 30, 2011	70	22,374	57,129	5,425	10,361	(233)	95,126
Balance at Dec. 31, 2011	70	22,401	57,136	6,179	12,244	(1,753)	96,277
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	0	3,522	0	0	3,522
Other comprehensive income, net of tax	0	0	0	0	7,893	0	7,893
Dividends on common stock	0	0	0	(425)	0	0	(425)
Dividends accrued on preferred stock	0	0	0	(381)	0	0	(381)
Purchase of shares for treasury	0	0	0	0	0	(556)	(556)
Issuance of shares under stock plans	0	0	25	0	0	81	106
Balance at Sep. 30, 2012	$ 70	$ 22,401	$ 57,161	$ 8,895	$ 20,137	$ (2,228)	$ 106,436