Inventories Inventories (Tables)

12 Months Ended

Dec. 31, 2020

Inventory [Line Items]

Schedule of Inventory, Current [Table Text Block]

Components of inventories, net of reserve, are as follows:

	December 31,
	2020		2019
	(In Thousands)
Finished goods	$	68,121	$	70,135
Raw materials	2,910		4,125
Parts and supplies	4,001		4,979
Work in progress	1,626		1,234
Total inventories	$	76,658	$	80,473