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Inventories (Tables)
12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
Inventory Components
Inventories consisted of the following:
December 31,
20212020
Raw materials$22,352 $16,570 
Supplies and service parts26,076 24,061 
Finished products30,160 30,849 
    Total inventory, net$78,588 $71,480