Accumulated Other Comprehensive Loss - Rollforward of AOCI (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 457,653	$ 353,997	$ 409,222	$ 341,599
Other comprehensive (loss) income, before taxes	(13,802)	(19,483)	2,653	(28,636)
Tax expense	(5)	(9)	(10)	(17)
Total other comprehensive (loss) income, net of taxes	(13,807)	(19,492)	2,643	(28,653)
Ending balance	496,993	472,531	496,993	472,531
Foreign Currency Translations
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(74,430)	(34,401)	(90,867)	(25,219)
Other comprehensive (loss) income, before taxes	(13,820)	(19,513)	2,617	(28,695)
Tax expense	0	0	0	0
Total other comprehensive (loss) income, net of taxes	(13,820)	(19,513)	2,617	(28,695)
Ending balance	(88,250)	(53,914)	(88,250)	(53,914)
Accumulated (Loss) Gain on Retirement Plan
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(894)	(993)	(907)	(1,014)
Other comprehensive (loss) income, before taxes	18	30	36	59
Tax expense	(5)	(9)	(10)	(17)
Total other comprehensive (loss) income, net of taxes	13	21	26	42
Ending balance	(881)	(972)	(881)	(972)
Accumulated other comprehensive loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(75,324)	(35,394)	(91,774)	(26,233)
Total other comprehensive (loss) income, net of taxes	(13,807)	(19,492)	2,643	(28,653)
Ending balance	$ (89,131)	$ (54,886)	$ (89,131)	$ (54,886)