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GOODWILL
 12 Months Ended
Dec. 31, 2021
GOODWILL [Abstract]  
GOODWILL
6.
GOODWILL

Changes in the carrying amount of goodwill during the years ended December 31, 2021 and 2020 are as follows:

   
Gross
Goodwill
Balance
    
Accumulated
Impairment
Losses
    
Net
Goodwill
Balance
  
Balance as of January 1, 2020
  
$
117,176
    
$
102,640
    
$
14,536
  
Adjustments
    
-
      
-
      
-
  
Balance as of December 31, 2020
    
117,176
      
102,640
      
14,536
  
Adjustments
    
-
      
-
      
-
  
Balance as of December 31, 2021
  
$
117,176
    
$
102,640
    
$
14,536
  

As of each of December 31, 2021 and 2020, the goodwill balance of $14.5 million is related to the Transportation and Skilled Trades segment.