Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Consolidated Statements of Comprehensive Income
Net income	$ 44,189	$ 18,906	$ 85,804	$ 35,386
Other comprehensive (loss) income:
Foreign currency translation adjustments	(2,685)	552	(3,871)	(820)
Amortization of actuarial gain and other adjustments from pension plan, net of tax	8	34	17	54
Total other comprehensive (loss) income	(2,677)	586	(3,854)	(766)
Comprehensive income	$ 41,512	$ 19,492	$ 81,950	$ 34,620