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Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2012
Schedule Of Loan Servicing Rights Recognized
     Year Ended
December 31,
 
     2012     2011  

Beginning balance, mortgage servicing rights

   $ 95,343      $ 65,319   

Mortgage servicing rights recognized

     83,721        56,775   

Mortgage servicing rights sold

     (10,297     (10,421

Amortization expense

     (23,812     (16,330
  

 

 

   

 

 

 

Ending balance, mortgage servicing rights

   $ 144,955      $ 95,343   
  

 

 

   

 

 

 
Schedule Of Assumptions Used In Measuring Fair Value Of Servicing Assets
     Year Ended December 31,  
     2012     2011     2010  

Discount rate

     15.00     15.00     15.00

Conditional prepayment rate

     7.00     7.00     7.00

Inflation

     2.50     2.50     2.50

Delinquencies

     —          —          —