Quarterly report pursuant to Section 13 or 15(d)

Fair Values of Assets and Liabilities (Level 3 classification of gains/losses) (Details 2)

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Fair Values of Assets and Liabilities (Level 3 classification of gains/losses) (Details 2) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
MSRs [Member]
    
Classification of gains and losses in earnings:    
Mortgage banking income (loss) $ 380 $ (2,547)
Securities gains (losses) 0 0
Interest and fee income 0 0
Noninterest income 0 0
Total 380 (2,547)
Derivative Instrument Asset, Net [Member]
    
Classification of gains and losses in earnings:    
Mortgage banking income (loss) (1,482) 1,393
Securities gains (losses) 0 0
Interest and fee income 0 0
Noninterest income 0 (668)
Total (1,482) 725
Municipal securities [Member]
    
Classification of gains and losses in earnings:    
Mortgage banking income (loss) 0 0
Securities gains (losses) 0 0
Interest and fee income 0 0
Noninterest income 0 0
Total 0 0
Private label CMO [Member]
    
Classification of gains and losses in earnings:    
Mortgage banking income (loss) 0 0
Securities gains (losses) (336) (1,237)
Interest and fee income 66 247
Noninterest income 0 0
Total (270) (990)
Asset-backed Securities [Member]
    
Classification of gains and losses in earnings:    
Mortgage banking income (loss) 0 0
Securities gains (losses) (359) 0
Interest and fee income (379) (176)
Noninterest income 0 0
Total (738) (176)
Automobile Loan [Member]
    
Classification of gains and losses in earnings:    
Mortgage banking income (loss) 0 0
Securities gains (losses) 0 0
Interest and fee income (859) (2,024)
Noninterest income 1,996 1,932
Total $ 1,137 $ (92)