Employee Benefit Plan - Change in Benefit Obligation (Details) - Non-U.S. Plan - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Change in benefit obligations
Benefit obligations	$ 27,431	$ 21,759
Gross service cost	1,587	1,549	$ 1,164
Interest cost	53	106	234
Employee contributions	499	512
Actuarial (gains)/losses	(2,185)	1,694
Plan Amendment	(432)
Benefits (paid), net of transfers	(492)	(251)
Foreign exchange adjustment	(1,606)	2,062
Benefit obligations	$ 24,855	$ 27,431	$ 21,759