Consolidated Statements of Financial Condition (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Consolidated Statements of Financial Condition [Abstract]
Loans held-for-sale, fair value	$ 1,629,618	$ 2,343,638
Loans held-for-investment, fair value	22,651	19,011
Other liabilities, fair value	$ 18,300	$ 0
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, liquidation value per share	$ 1,000	$ 1,000
Preferred stock, shares authorized	25,000,000	25,000,000
Preferred stock, shares issued	266,657	266,657
Preferred stock, shares outstanding	266,657	266,657
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	700,000,000	700,000,000
Common stock, shares issued	555,775,639	553,313,113
Common stock, shares outstanding	555,775,639	553,313,113