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PROPERTY AND EQUIPMENT (Tables)
 12 Months Ended
Dec. 31, 2013
PROPERTY AND EQUIPMENT  
Schedule of classification of property and equipment and the related estimated useful lives

 

 
   December 31,    
 
   Estimated
Useful Life
 
   2013   2012
 
   (in thousands)
    

Land

   $ 1,247   $ 1,758    

Building and building and leasehold improvements

     22,127     14,688   3 - 30 years

Furniture and fixtures

     7,712     5,858   5 years

Computer equipment and purchased software

     110,449     88,086   2 - 5 years

Transportation equipment

     7,522     7,522   3 - 5 years

Operations equipment

     6,122     6,405   3 - 5 years

Construction in progress

     18,295     2,611    
             
​ ​ ​ ​ ​ ​ ​ ​ ​

 

     173,474     126,928    

Accumulated depreciation and amortization

     101,356     (82,376 )  
             
​ ​ ​ ​ ​ ​ ​ ​ ​

Property and equipment

   $ 72,118   $ 44,552    
             
​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​