Consolidated Statements of Changes in Shareholders’ Equity (Unaudited) (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Dec. 31, 2011	$ 127	$ 142,233	$ (36,508)	$ (2,370)	$ 103,482
Balance (in Shares) at Dec. 31, 2011	12,726,388
Net Income (Loss)			(4,574)		(4,574)
Other comprehensive loss, net of tax				(5,873)	(5,873)
Compensation expense related to stock options granted under equity award plans		478			478
Common stock issued related to restricted stock granted under equity award plans, net of forfeitures		374			374
Common stock issued related to restricted stock granted under equity award plans, net of forfeitures (in Shares)	25,283
Other changes (in Shares)	19
Balance at Sep. 30, 2012	127	143,085	(41,082)	(8,243)	93,887
Balance (in Shares) at Sep. 30, 2012	12,751,690
Balance at Dec. 31, 2012	127	143,342	(38,372)	(6,717)	98,380
Balance (in Shares) at Dec. 31, 2012	12,754,045
Net Income (Loss)			25,908		25,908
Other comprehensive loss, net of tax				(4,362)	(4,362)
Exercise of stock options		124			124
Exercise of stock options (in Shares)	11,250
Compensation expense related to stock options granted under equity award plans		247			247
Common stock issued related to restricted stock granted under equity award plans, net of forfeitures		649			649
Common stock issued related to restricted stock granted under equity award plans, net of forfeitures (in Shares)	17,723
Other changes (in Shares)	1
Balance at Sep. 30, 2013	$ 127	$ 144,362	$ (12,464)	$ (11,079)	$ 120,946
Balance (in Shares) at Sep. 30, 2013	12,783,019