CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 16,600	$ 31,218
Foreign currency translation adjustment	(11,757)	(13,259)
Pension and other postretirement benefits:
Amortization of loss, net of tax	86	63
Other comprehensive income (loss)	(11,671)	(13,196)
Comprehensive income	$ 4,929	$ 18,022