Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Consolidated Statements of Comprehensive Income
Net income	$ 47,697	$ 41,614
Other comprehensive income (loss):
Foreign currency translation adjustments	50	(1,186)
Amortization of actuarial net gain and other adjustments from pension plan, net of tax		9
Total other comprehensive income (loss)	50	(1,177)
Comprehensive income	$ 47,747	$ 40,437