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, 2012
Dec. 31, 2011
Derivative assets:    
Total derivative assets $ 13,943 $ 6,771
Derivative liabilities:    
Total derivative liabilities (2,191) (8,036)
Net derivative liability 11,752 (1,265)
Interest rate lock agreements [Member]
    
Derivative assets:    
Total derivative assets 13,180 6,770
Derivative liabilities:    
Total derivative liabilities (33) (109)
Forward trades and options [Member]
    
Derivative assets:    
Total derivative assets 763 1
Derivative liabilities:    
Total derivative liabilities $ (2,158) $ (7,927)