Annual report pursuant to Section 13 and 15(d)

Derivative Financial Instruments (Mortgage banking activities) (Details 4)

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Derivative Financial Instruments (Mortgage banking activities) (Details 4) (Derivative used in Mortgage Banking Activities [Member], USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Derivative assets:    
Total derivative assets $ 6,771 $ 23,486
Derivative liabilities:    
Total derivative liabilities (8,036) (2,328)
Net derivative liability (1,265) 21,158
Interest rate lock agreements [Member]
   
Derivative assets:    
Total derivative assets 6,770 2,817
Derivative liabilities:    
Total derivative liabilities (109) (1,445)
Forward trades and options [Member]
   
Derivative assets:    
Total derivative assets 1 20,669
Derivative liabilities:    
Total derivative liabilities $ (7,927) $ (883)