Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 57,310	$ (79,760)	$ 98,620
Other comprehensive income
Defined benefit plans	3,790	1,310	(1,470)
Foreign currency translation	(7,430)	6,880	10,290
Derivative instruments	9,490	(7,810)	3,300
Total other comprehensive income	5,850	380	12,120
Total comprehensive income (loss)	$ 63,160	$ (79,380)	$ 110,740