Inventories

3 Months Ended

Mar. 31, 2022

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories are stated at the lower of cost, determined on the first-in, first-out (FIFO) basis, or net realizable value. Inventories consisted of the following:

	March 31, 2022		December 31, 2021
Raw materials	$	25,510	$	22,352
Supplies and service parts	31,869		26,076
Finished products	30,282		30,160
Total inventory, net	$	87,661	$	78,588