Quarterly report pursuant to Section 13 or 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
Mar. 31, 2014
Dec. 31, 2013
Mortgages Held For Sale
   
Fair Value, Option, Quantitative Disclosures [Line Items]    
Mortgages Held-for-sale, Fair Value Disclosure $ 280,108 $ 278,928
Mortgages Held For Sale, Unpaid Principal 269,763 276,945
Fair Value, Option, Aggregate Differences, Loans and Long-term Receivables 10,345 1,983
Automobile Loans
   
Fair Value, Option, Quantitative Disclosures [Line Items]    
Loans Receivable, Fair Value Disclosure 37,268 52,286
Loans Receivable, Unpaid Principal 36,034 50,800
Fair Value, Option, Aggregate Differences, Loans and Long-term Receivables 1,234 1,486
Securitization Trust Notes Payable
   
Fair Value, Option, Quantitative Disclosures [Line Items]    
Long-term Debt, Fair Value 0 0
Long-term Debt, Unpaid Principal 0 0
Fair Value, Option, Aggregate Differences, Long-term Debt Instruments $ 0 $ 0