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Derivative Financial Instruments (Tables)
9 Months Ended
Sep. 30, 2011
Derivative Financial Instruments [Abstract] 
Fair Values Of Derivative Instruments
     September 30, 2011  
     Asset Derivatives      Liability Derivatives  
     Balance Sheet
Location
     Fair Value      Balance Sheet
Location
     Fair Value  

Derivatives designated as hedging instruments

           

Interest rate contracts

     Other assets       $ 40         Other liabilities       $ 53,802   

Derivatives not designated or qualifying as hedging instruments

           

Interest rate contracts

     Other assets         23,708         Other liabilities         22,283   
     

 

 

       

 

 

 

Total derivatives

      $ 23,748          $ 76,085   
     

 

 

       

 

 

 
     December 31, 2010  
     Asset Derivatives      Liability Derivatives  
     Balance Sheet
Location
     Fair Value      Balance Sheet
Location
     Fair Value  

Derivatives designated as hedging instruments

           

Interest rate contracts

     Other assets       $ 181         Other liabilities       $ 31,793   

Derivatives not designated or qualifying as hedging instruments

           

Interest rate contracts

     Other assets         17,167         Other liabilities         16,767   
     

 

 

       

 

 

 

Total derivatives

      $ 17,348          $ 48,560   
     

 

 

       

 

 

 
Effect Of Derivative Instruments On Statement Of Income