Segment and Geographic Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) segment	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Segment Reporting [Abstract]
Number of operating segments | segment	1
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of operating segments | segment	1
Total revenue	$ 254,316	$ 188,001	$ 124,875
Property and equipment, net	8,076	8,270
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	119,775	85,642	57,231
Property and equipment, net	6,025	6,409
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	25,669	19,625	13,158
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	108,872	82,734	$ 54,486
Property and equipment, net	777	47
Russia
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	0	1,406
Spain
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	832	0
Czech Republic
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	$ 442	$ 408