Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 77,849	$ 32,194	$ 61,338
Other comprehensive income (loss), net of reclassification adjustments:
Unrealized loss on interest rate swap contracts, net of tax	0	0	(420)
Foreign currency translation adjustments	(2,885)	3,924	1,828
Other comprehensive income (loss)	(2,885)	3,924	1,408
Comprehensive income	$ 74,964	$ 36,118	$ 62,746