Segment and Geographic Information - Summary of Property and Equipment by Geographic Area (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Property and equipment, net	$ 15,073	$ 14,627
United Kingdom
Segment Reporting Information [Line Items]
Property and equipment, net	6,830	6,035
Czech Republic
Segment Reporting Information [Line Items]
Property and equipment, net	2,901	3,234
United States
Segment Reporting Information [Line Items]
Property and equipment, net	3,021	3,183
Netherlands
Segment Reporting Information [Line Items]
Property and equipment, net	1,535	1,263
Rest of the World
Segment Reporting Information [Line Items]
Property and equipment, net	$ 786	$ 912

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant