Annual report pursuant to Section 13 and 15(d)

Fair Values of Assets and Liabilities (Fair value option) (Details 3)

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Fair Values of Assets and Liabilities (Fair value option) (Details 3) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Mortage Loans Held For Sale Under The Fair Value Option [Abstract]    
Mortgages Held-for-sale, Fair Value Disclosure $ 343,588 $ 754,117
Loans Held-for-sale, Mortgages $ 328,641 $ 749,982