Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Held to maturity securities at fair value	$ 196,382	$ 194,350
Loans held for sale at fair value	$ 1,105,985	$ 777,280
Common Stock, par value	$ 0.01	$ 0.01
Common Stock, shares authorized	500,000,000	150,000,000
Common Stock, shares issued	116,479,658	75,094,375
Common Stock, shares outstanding	116,479,658	75,094,375
Preferred Stock, shares authorized	10,000,000
Preferred Stock, shares issued	0
Preferred Stock, shares outstanding	0
Preferred Stock, par value	$ 0.06
Shareholders' Equity Preferred Stock
Preferred Stock, par value	$ 0.01
Series A Preferred Stock [Member]
Preferred Stock, shares authorized	0	1,000,000
Preferred Stock, shares issued	0	186,744
Preferred Stock, shares outstanding	0	186,744
Preferred Stock, par value	$ 0.01	$ 0.01
Series B Preferred Stock [Member]
Preferred Stock, shares authorized	0	1,000,000
Preferred Stock, shares issued	0	136,544
Preferred Stock, shares outstanding	0	136,544
Preferred Stock, par value	$ 0.01	$ 0.01
Preferred Stock, liquidation preference, per share	$ 1,000	$ 1,000