Consolidated Statement Of Shareholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income	Total
Beginning balance at Dec. 31, 2010	$ 67,724	$ 19,422	$ 98,894	$ 185,196	$ 979	$ 372,215
Beginning balance, Shares at Dec. 31, 2010		19,421,900
Dividends (paid and/ or accrued):
Preferred				(3,523)		(3,523)
Warrant amortization	731			(731)		731
Common stock issued		16	214			230
Common stock issued, shares		16,100
Net common stock issued under employee plans and related tax expense		6	(176)			(170)
Net common stock issued under employee plans and related tax expense, shares		6,213
Other comprehensive income loss, net of tax					1,132	1,132
Net income (loss)				(68,295)		(68,295)
Ending balance at Dec. 31, 2011	68,455	19,444	98,932	112,647	2,111	301,589
Ending balance, Shares at Dec. 31, 2011		19,444,213				19,444,213
Beginning balance at Dec. 31, 2009	67,037	14,751	49,029	178,016	945	309,778
Beginning balance, Shares at Dec. 31, 2009		14,750,713
Dividends (paid and/ or accrued):
Preferred				(3,500)		(3,500)
Warrant amortization	687			(687)		687
Common stock issued		4,626	49,599			54,225
Common stock issued, shares		4,626,281
Net common stock issued under employee plans and related tax expense		45	266			311
Net common stock issued under employee plans and related tax expense, shares		44,906
Other comprehensive income loss, net of tax					34	34
Net income (loss)				11,367		11,367
Ending balance at Dec. 31, 2010	67,724	19,422	98,894	185,196	979	372,215
Ending balance, Shares at Dec. 31, 2010		19,421,900
Beginning balance at Dec. 31, 2011	68,455	19,444	98,932	112,647	2,111	301,589
Beginning balance, Shares at Dec. 31, 2011		19,444,213				19,444,213
Dividends (paid and/ or accrued):
Preferred				(2,196)		(2,196)
Warrant amortization						1,545
Warrant amortization redemption of preferred stock	(68,455)			(1,545)		(70,000)
Common stock issued		81	799			880
Common stock issued, shares		80,500
Net common stock issued under employee plans and related tax expense		5	(26)			(21)
Net common stock issued under employee plans and related tax expense, shares		4,992
Other comprehensive income loss, net of tax					(383)	(383)
Net income (loss)				16,187		16,187
Ending balance at Dec. 31, 2012		$ 19,530	$ 99,705	$ 125,093	$ 1,728	$ 246,056
Ending balance, Shares at Dec. 31, 2012		19,529,705				19,529,721