CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 54,623	$ 171,886	$ 139,791
Foreign exchange translation adjustment	63	14	(43)
Cash-flow hedges	(150)	688	1,789
Pension obligation adjustments	140	1,640	7,847
Other comprehensive income, net of tax	53	2,342	9,593
Comprehensive income	$ 54,676	$ 174,228	$ 149,384