Consolidated Statements of Changes in Stockholders Equity (Unaudited) (USD $) In Thousands, except Share data	Total	Common Shares Outstanding	Treasury Stock	Additional Paid-in Capital	Retained Earnings (Deficit)	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2009	$ 293,678	$ 3,463	$ (57,564)	$ 346,297	$ 2,294	$ (812)
Beginning balance, shares at Dec. 31, 2009		16,016,738
Net Income (Loss)	(6,100)				(6,100)
Stock option expense and exercises of stock options, net of tax	272	2		270
Stock option expense and exercises of stock options, net of tax, shares		12,426
Cash dividends ($0.30 and $0.42 per share for 2011 and 2010)	(7,373)				(7,373)
Accrued benefit liability adjustment	122					122
Net unrealized gain on securities available for sale:
Not other-than-temporarily impaired	2,334					2,334
Other-than-temporarily impaired	(431)					(431)
Ending balance at Jun. 30, 2010	282,502	3,465	(57,564)	346,567	(11,179)	1,213
Ending balance, shares at Jun. 30, 2010		16,029,164
Beginning balance at Dec. 31, 2010	289,917	3,793	(57,564)	346,750	(3,989)	927
Beginning balance, shares at Dec. 31, 2010	17,665,908	17,665,908
Net Income (Loss)	12,256				12,256
Stock option expense and exercises of stock options, net of tax	500	5		495
Stock option expense and exercises of stock options, net of tax, shares		23,141
Cash dividends ($0.30 and $0.42 per share for 2011 and 2010)	(5,306)				(5,306)
Accrued benefit liability adjustment	93					93
Net unrealized gain on securities available for sale:
Not other-than-temporarily impaired	(1,330)					(1,330)
Other-than-temporarily impaired	(444)					(444)
Ending balance at Jun. 30, 2011	$ 295,686	$ 3,798	$ (57,564)	$ 347,245	$ 2,961	$ (754)
Ending balance, shares at Jun. 30, 2011	17,689,049	17,689,049