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CAPITAL LEASE OBLIGATIONS (Tables)
 3 Months Ended
Mar. 31, 2012
Future Minimum Capital Lease Payments and Present Value of Minimum Lease Payments for All Capital Leases
Future minimum capital lease payments and the present value of the minimum lease payments for all capital leases as of March 31, 2012, are as follows (in thousands): 
 
2012
  
$
5,563
  
2013
    
7,985
  
2014
    
8,211
  
2015
    
8,357
  
2016
    
7,601
  
Thereafter
    
34,464
  
Remaining capital lease payments
    
72,181
  
Less: amounts representing imputed interest
    
(24,017
)
Present value of minimum lease payments
    
48,164
  
Less: current portion
    
(3,271
)
   
$
44,893