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, 2012
Mar. 31, 2011
MSRs [Member]
    
Classification of gains and losses in earnings:    
Mortgage banking income (loss) $ (2,547) $ (6,472)
Securities gains (losses) 0 0
Interest and fee income 0 0
Noninterest income 0 0
Total (2,547) (6,472)
Derivative Instrument Asset, Net [Member]
    
Classification of gains and losses in earnings:    
Mortgage banking income (loss) 1,393 (1,704)
Securities gains (losses) 0 0
Interest and fee income 0 0
Noninterest income (668) 0
Total 725 (1,704)
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) (1,237) (788)
Interest and fee income 247 346
Noninterest income 0 0
Total (990) (442)
Asset-backed Securities [Member]
    
Classification of gains and losses in earnings:    
Mortgage banking income (loss) 0 0
Securities gains (losses) 0 (3,377)
Interest and fee income (176) 107
Noninterest income 0 0
Total (176) (3,270)
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 (2,024) (2,439)
Noninterest income 1,932 (72)
Total $ (92) $ (2,511)