CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Treasury Stock	Accumulated Other Comprehensive Income (Loss)
BALANCE at Dec. 31, 2008	$ 375,726	$ 285	$ 909,922	$ (535,676)	$ (257)	$ 1,452
BALANCE (in shares) at Dec. 31, 2008		28,516,106
Increase (Decrease) in Stockholders' Equity
Net earnings (loss)	(9,350)			(9,350)
Increase (Decrease) in net unrealized gain on securities available-for-sale, net of tax	(1,556)					(1,556)
Issuance of common stock	148,782	66	148,716
Issuance of common stock (in shares)		6,569,466
Tax effect from vesting of restricted stock	(2,108)		(2,108)
Restricted stock awarded and earned stock compensation, net of shares forefeited	8,199		8,199
Restricted stock awarded and earned stock compensation, net of shares forefeited (in shares)		30,520
Restricted stock surrendered	(1,775)				(1,775)
Restricted stock surrendered (in shares)		(100,770)
Cash dividends paid ($0.21, $0.04 and $0.35 per share for the year ended 2011, 2010 and 2009, respectively)	(11,145)		(11,145)
BALANCE at Dec. 31, 2009	506,773	351	1,053,584	(545,026)	(2,032)	(104)
BALANCE (in shares) at Dec. 31, 2009		35,015,322
Increase (Decrease) in Stockholders' Equity
Net earnings (loss)	(62,016)			(62,016)
Increase (Decrease) in net unrealized gain on securities available-for-sale, net of tax	4,073					4,073
Issuance of common stock	26,587	14	26,573
Issuance of common stock (in shares)		1,348,040
Tax effect from vesting of restricted stock	(1,840)		(1,840)
Restricted stock awarded and earned stock compensation, net of shares forefeited	8,496	4	8,492
Restricted stock awarded and earned stock compensation, net of shares forefeited (in shares)		403,733
Restricted stock surrendered	(1,831)				(1,831)
Restricted stock surrendered (in shares)		(94,666)
Cash dividends paid ($0.21, $0.04 and $0.35 per share for the year ended 2011, 2010 and 2009, respectively)	(1,445)		(1,445)
BALANCE at Dec. 31, 2010	478,797	369	1,085,364	(607,042)	(3,863)	3,969
BALANCE (in shares) at Dec. 31, 2010		36,672,429
Increase (Decrease) in Stockholders' Equity
Net earnings (loss)	50,704			50,704
Increase (Decrease) in net unrealized gain on securities available-for-sale, net of tax	18,834					18,834
Tax effect from vesting of restricted stock	(937)		(937)
Restricted stock awarded and earned stock compensation, net of shares forefeited	7,896	6	7,890
Restricted stock awarded and earned stock compensation, net of shares forefeited (in shares)		662,062
Restricted stock surrendered	(1,465)				(1,465)
Restricted stock surrendered (in shares)		(80,173)
Cash dividends paid ($0.21, $0.04 and $0.35 per share for the year ended 2011, 2010 and 2009, respectively)	(7,626)		(7,626)
BALANCE at Dec. 31, 2011	$ 546,203	$ 375	$ 1,084,691	$ (556,338)	$ (5,328)	$ 22,803
BALANCE (in shares) at Dec. 31, 2011		37,254,318