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Goodwill and Identifiable Intangible Assets, Net (Tables)
 3 Months Ended
Mar. 31, 2014
Goodwill and Identifiable Intangible Assets, Net  
Schedule of changes in the carrying amount of goodwill

The changes in the carrying amount of goodwill are as follows (in thousands):

 
   March 31, 2014   December 31, 2013  

Balance at beginning of year

   $ 114,588   $ 114,588  

Additions

     —     —  
           
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Balance at end of period

   $ 114,588   $ 114,588  
           
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Schedule of components of identifiable intangible assets

 Identifiable intangible assets consist of the following (dollars in thousands):

 
    
   March 31, 2014   December 31, 2013  
 
   Estimated
Useful Lives
in Years		   Gross
Book Value		   Accumulated
Amortization		   Gross
Book Value		   Accumulated
Amortization		  

Customer relationships

     2 - 15   $ 41,129   $ (22,233 ) $ 40,404   $ (20,978 )

Backlog

     1 - 2     6,515     (6,515 )   6,515     (6,515 )

Noncompete agreements

     2 - 7     2,890     (2,704 )   2,890     (2,649 )

Tradenames

     2 - 25     23,695     (6,273 )   23,695     (5,979 )
                         
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Total

         $ 74,229   $ (37,725 ) $ 73,504   $ (36,121 )
                         
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