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Retirement Plans (Tables)
12 Months Ended
Dec. 31, 2012
Retirement Plans [Abstract]  
Aggregate amounts of contributions to the 401(k) and ESOP plans

The aggregate amounts of contributions by the Company to the 401(k) and ESOP plans are shown in the following table:

 

                         
    December 31,  
    2012     2011     2010  
    (Dollars in thousands)  

401(k) contributions

  $ 1,690     $ 1,534     $ 1,465  

ESOP contributions

    1,703       1,629       1,353  
   

 

 

   

 

 

   

 

 

 

Total contributions

  $ 3,393     $ 3,163     $ 2,818