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Derivative Financial Instruments (Tables)
3 Months Ended
Mar. 31, 2012
Derivative Financial Instruments [Abstract]  
Fair Value of Derivative Instruments
                         
    Asset Derivatives     Liability Derivatives  
    March 31, 2012     March 31, 2012  
    (Dollars in thousands)  
    Balance Sheet Location   Fair Value     Balance Sheet
Location
  Fair Value  

Derivatives Not Designated as Hedging Instruments

                   
         

Interest rate swaps

  Other Assets   $ 18,753     Other Liabilities   $ 18,753  
       

 

 

       

 

 

 
         

Total derivatives

      $ 18,753         $ 18,753  
       

 

 

       

 

 

 

 

                         
   

 

 
    December 31, 2011     December 31, 2011  
         

Interest rate swaps

  Other Assets   $ 20,497     Other Liabilities   $ 20,497  
       

 

 

       

 

 

 
         

Total derivatives

      $ 20,497         $ 20,497  
       

 

 

       

 

 

 
The Effect of Derivative Instruments on the Consolidated Statement of Earnings
                     

Derivatives Not Designated as Hedging
Instruments

  Location of Gain Recognized in
Income on Derivative
  Amount of Gain
Recognized in Income
on Derivative
    March 31, 2011  
       

Interest rate swaps

  Other income   $ 503     $ 101  
       

 

 

   

 

 

 
       

Total

      $ 503     $ 101