Consolidated Statements of Stockholders' Equity and Comprehensive Loss (USD $) In Thousands	Total	Preferred Stock	Common Stock	Additional Paid in Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings (Accumulated Deficit)
Beginning Balance at Dec. 31, 2008	$ 472,293		$ 84	$ 119,776	$ (81,742)	$ 434,175
Net loss	(496,678)					(496,678)
Reclassification of gain on sale of securities available-for-sale	(5,775)				(5,775)
Reclassification of loss on securities available-for-sale due to other-than-temporary impairment	13,486				13,486
Change in net unrealized loss on securities available-for-sale	58,682				58,682
Total comprehensive loss	(430,285)
Cumulative effect for adoption of new guidance for other-than-temporary impairments recognition on debt securities					(32,914)	32,914
Issuance of preferred stock	507,494	507,494
Issuance of common stock		(268,577)	375	268,202
Issuance of common stock to management	5,321		7	5,314
Reclassification of Treasury Warrants	49,673			49,673
Issuance of common stock for exercise of May Warrants	4,376		3	4,373
Restricted stock issued	(45)			(45)
Dividends on preferred stock	(12,259)					(12,259)
Accretion of preferred stock		4,864				(4,864)
Stock-based compensation	622			622
Tax effect from stock-based compensation	(466)			(466)
Ending Balance at Dec. 31, 2009	596,724	243,781	469	447,449	(48,263)	(46,712)
Net loss	(374,813)					(374,813)
Reclassification of gain on sale of securities available-for-sale	(6,689)				(6,689)
Reclassification of loss on securities available-for-sale due to other-than-temporary impairment	4,991				4,991
Change in net unrealized loss on securities available-for-sale	33,796				33,796
Total comprehensive loss	(342,715)
Issuance of preferred stock	274,984	274,984
Conversion of preferred stock		(274,984)	142	274,842
Issuance of common stock	737,642		4,914	732,728
Restricted stock issued	(12)			(12)
Dividends on preferred stock	(13,334)					(13,334)
Accretion of preferred stock		5,415				(5,415)
Stock-based compensation	6,374		8	6,366
Ending Balance at Dec. 31, 2010	1,259,663	249,196	5,533	1,461,373	(16,165)	(440,274)
Net loss	(181,778)					(181,778)
Reclassification of loss on securities available-for-sale due to other-than-temporary impairment	24,039				24,039
Change in net unrealized loss on securities available-for-sale	(15,693)				(15,693)
Total comprehensive loss	(173,432)
Restricted stock issued			2	(2)
Dividends on preferred stock	(11,628)					(11,628)
Accretion of preferred stock		5,536				(5,536)
Stock-based compensation	5,113		23	5,090
Ending Balance at Dec. 31, 2011	$ 1,079,716	$ 254,732	$ 5,558	$ 1,466,461	$ (7,819)	$ (639,216)