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Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2020
Property, Plant and Equipment [Abstract]  
Schedule of Property and Equipment
Property and equipment consists of the following (in thousands):
 
    
December 31,
 
    
2020
    
2019
 
Building
   $ 26,934      $ 26,934  
Land
     6,683        6,683  
Equipment and other
     203,017        192,004  
    
 
 
    
 
 
 
       236,634        225,621  
Accumulated depreciation
     (160,443      (152,944
    
 
 
    
 
 
 
     $ 76,191      $ 72,677