Segment and Geographic Information - Geographic Data (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	$ 65,793	$ 49,252	$ 185,531	$ 134,255
Total assets	6,985		6,985		$ 8,270
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	31,309	22,317	85,961	61,038
Total assets	5,757		5,757		6,409
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	6,565	5,164	18,798	14,064
Russia
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	0		0		1,406
Czech Republic
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	353		353		408
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	27,919	$ 21,771	80,772	$ 59,153
Total assets	$ 875		$ 875		$ 47