Allowance For Loan Losses (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2012		Jun. 30, 2011		Dec. 31, 2011
Allowance for Loan and Lease Losses [Roll Forward]
Balance, beginning of period	$ 39,795		$ 68,729		$ 39,360		$ 93,687
Charge-offs	(10,285)		(45,662)		(14,300)		(91,571)
Recoveries	1,263		2,719		2,646		3,487
Net charge-offs	(9,022)		(42,943)		(11,654)		(88,084)
Balance, end of period	38,551		59,366		38,551		59,366
Annualized net charge-offs during the period to average loans	2.83%		15.06%		1.87%		14.76%
Annualized net charge-offs during the period to ALL	94.13%		290.14%		60.79%		299.21%
Allowance for loan losses to loans held for investment	3.01%	[1]	5.83%	[1]	3.01%	[1]	5.83%	[1]	3.23%
Continuing operations [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Provision for losses	7,778		33,580		10,845		53,763
Discontinued operations [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Provision for losses	$ 0		$ 0		$ 0		$ 0

[1] (1) Excludes discontinued operations.