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Bank Premises and Equipment (Tables)
12 Months Ended
Dec. 31, 2012
Bank Premises and Equipment  
Summary of bank premises and equipment, by asset classification

 

 

 
  Estimated
useful lives
  2012   2011  
 
   
  (Dollars in Thousands)
 

Bank buildings and improvements

  5 - 40 years   $ 433,942   $ 390,875  

Furniture, equipment and vehicles

  1 - 20 years     258,222     266,547  

Land

        128,695     124,694  

Real estate held for future expansion:

                 

Land, building, furniture, fixture and equipment

  7 - 27 years     562     614  

Less: accumulated depreciation

        (340,134 )   (329,680 )
               

Bank premises and equipment, net

      $ 481,287   $ 453,050