Inventories

3 Months Ended

Mar. 31, 2023

Inventory Disclosure [Abstract]

Inventories

12. Inventories

Inventories consisted of (in thousands):

	March 31,		December 31,
	2023		2022
Finished goods	$	41,187	$	45,371
Work in process		334		408
Materials and supplies		16,967		17,546
	$	58,488	$	63,325

Inventories are stated at the lower of cost or net realizable value, determined by the first-in, first-out method.