CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Dec. 31, 2010	$ 1	$ 215	$ 195,090	$ (103,563)	$ 221,304	$ 2,275	$ 315,322
Balance (in Shares) at Dec. 31, 2010	65	16,527
Net income (loss)					(42,353)		(42,353)
Other comprehensive income (loss), net of tax						201	201
Stock based compensation expense			254				254
Accretion of preferred stock			446		(446)		0
Cash dividends
Common stock					(2,480)		(2,480)
Preferred stock					(2,438)		(2,438)
Balance at Sep. 30, 2011	1	215	195,790	(103,563)	173,587	2,476	268,506
Balance (in Shares) at Sep. 30, 2011	65	16,527
Balance at Dec. 31, 2011	1	215	196,002	(103,563)	187,367	(2,844)	277,178
Balance (in Shares) at Dec. 31, 2011	65	16,527
Net income (loss)					20,990		20,990
Other comprehensive income (loss), net of tax						(753)	(753)
Stock based compensation expense			136				136
Accretion of preferred stock			474		(474)		0
True-up preferred stock dividend payable					(134)		(134)
Cash dividends
Common stock					(2,479)		(2,479)
Preferred stock					(2,438)		(2,438)
Balance at Sep. 30, 2012	$ 1	$ 215	$ 196,612	$ (103,563)	$ 202,832	$ (3,597)	$ 292,500
Balance (in Shares) at Sep. 30, 2012	65	16,527