Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Statement of Financial Position [Abstract]
Loans held for sale	$ 465,983	$ 223,638
Preferred Stock, Shares Authorized	10,000,000	10,000,000
Preferred stock, shares outstanding	0	0
Common Stock, Shares Authorized	151,515,151	151,515,151
Common Stock, Shares Outstanding	62,207,529	62,057,645