Segment and Geographic Information - Geographic Data (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	$ 307,675	$ 254,316	$ 188,001
Total assets	6,686	8,076
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	146,408	119,775	85,642
Total assets	3,231	6,025
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	30,044	25,669	19,625
Netherlands
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	1,781	72
Spain
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	807	832
Czech Republic
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	278	442
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	131,223	108,872	$ 82,734
Total assets	$ 589	$ 705