Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Consolidated Statements of Comprehensive Income
Net income	$ 41,614	$ 16,480
Other comprehensive loss:
Foreign currency translation adjustments	(1,186)	(1,372)
Amortization of actuarial gain and other adjustments from pension plan, net of tax	9	20
Total other comprehensive loss	(1,177)	(1,352)
Comprehensive income	$ 40,437	$ 15,128