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Commitments and Contingent Liabilities (Tables)
12 Months Ended
Dec. 31, 2012
Commitments and Contingent Liabilities [Abstract]  
Summary of financial instruments with off-balance-sheet risks

The amounts of financial instruments with off-balance-sheet risk are as follows:

 

                 
    December 31,  
    2012     2011  
    (Dollars in thousands)  

Loan commitments

  $ 855,820     $ 718,191  

Stand-by letters of credit

    58,629       55,804  
Summary of future minimum rental payments under lease

The future minimum rental payments under these leases at December 31, 2012, were as follows (Dollars in thousands):

 

         

2013

  $ 753  

2014

    558  

2015

    415  

2016

    397  

2017

    257  

Later years

    686  
   

 

 

 

Total

  $ 3,066  
   

 

 

 
Summary of rental expenses

Rental expense on all property and equipment rented, including those rented on a monthly or temporary basis were as follows (Dollars in thousands):

 

         

Year Ending December 31:

       

2012

  $ 1,159  

2011

  $ 1,112  

2010

  $ 1,044