Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Consolidated Statements of Comprehensive Income
Net income	$ 246,263	$ 183,079	$ 98,650
Other comprehensive income (loss):
Foreign currency translation adjustments	38	(4,058)	(1,881)
Amortization of actuarial net gain and other adjustments from pension plan, net of tax	84	325	211
Total other comprehensive income (loss)	122	(3,733)	(1,670)
Comprehensive income	$ 246,385	$ 179,346	$ 96,980