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Accumulated Other Comprehensive (Loss) / Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Changes in accumulated other comprehensive income (loss)
Beginning balance	$ 90,823	$ 43,282	$ 76,077
Other comprehensive loss	(11,070)	(5,258)	6,009
Tax effect	(76)	486	(961)
Ending balance	68,097	90,823	43,282
Accumulated Other Comprehensive Income (Loss)
Changes in accumulated other comprehensive income (loss)
Beginning balance	(32,985)	(28,213)	(33,261)
Ending balance	(44,131)	(32,985)	(28,213)
Foreign currency
Changes in accumulated other comprehensive income (loss)
Beginning balance	(29,350)	(26,076)	(28,204)
Other comprehensive loss	(11,261)	(3,274)	2,128
Tax effect	0	0	0
Ending balance	(40,611)	(29,350)	(26,076)
Unrealized (loss) income on intercompany foreign currency transactions
Changes in accumulated other comprehensive income (loss)
Beginning balance	(3,635)	(2,137)	(4,306)
Other comprehensive loss	191	(1,984)	3,130
Tax effect	(76)	486	(961)
Ending balance	$ (3,520)	(3,635)	(2,137)
Unrealized holding gains (losses) on marketable debt securities
Changes in accumulated other comprehensive income (loss)
Beginning balance		$ 0	(751)
Other comprehensive loss			751
Tax effect			0
Ending balance			$ 0

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Amount before tax, after reclassification adjustments of other comprehensive income (loss).

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Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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