Inventory (Tables)

3 Months Ended

Mar. 31, 2020

Inventory [Abstract]

Components Of Inventory

	March 31, 2020		December 31, 2019
Finished goods	$	50,224	$	45,127
Raw materials		16,151		16,130
Work-in-process		9,542		9,360
Supplies and consumables		35,038		33,322
Total	$	110,955	$	103,939