Earnings Per Common Share (Narrative) (Details) (USD $)	12 Months Ended						12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 Series A Preferred Stock [Member]	Dec. 31, 2010 Series A Preferred Stock [Member]	Dec. 31, 2009 Series A Preferred Stock [Member]	Dec. 31, 2009 Warrants - Series A1 And A2 [Member]	Dec. 31, 2011 Warrants - Series A1 And A2 [Member]	Dec. 31, 2010 Warrants - Series A1 And A2 [Member]	Dec. 31, 2009 Warrants - Series B1 And B2 [Member]	Dec. 31, 2011 Warrants - U.S. Treasury [Member]	Dec. 31, 2010 Warrants - U.S. Treasury [Member]	Dec. 31, 2009 Warrants - U.S. Treasury [Member]	Jul. 28, 2013 Warrants - Series A1 [Member]	Dec. 31, 2011 Warrants - Series A1 [Member]	Jul. 28, 2011 Warrants - Series A1 [Member]	Oct. 15, 2013 Warrants - Series A2 [Member]	Dec. 31, 2011 Warrants - Series A2 [Member]	Aug. 15, 2011 Warrants - Series A2 [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of shares under stock options	1,700,000	1,900,000	3,100,000
Non-participating restricted stock awards	14,529	75,985	177,426
Potential common stock shares				1,100,000	1,100,000	1,100,000					700,000	3,300,000	3,300,000
Purchase of common stock	90,709,350	90,688,879						8,600,000	8,600,000	5,500,000
Shares excluded from computation of earnings per share							8,600,000
Exercise price per share	$ 31.68													$ 13.00	$ 10.00	$ 11.50	$ 13.00	$ 10.00	$ 11.50