Segment and geographic information - Schedule of revenues by customer location (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 87,435	$ 77,419	$ 250,289	$ 234,841
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	72,953	59,657	205,430	177,606
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	4,052	7,976	13,762	26,104
Netherlands
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	2,414	2,894	7,349	9,581
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 8,016	$ 6,892	$ 23,748	$ 21,550