Stock-based compensation - Schedule of Stock Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total	$ 5,895	$ 4,134	$ 15,897	$ 12,233
Cost of revenue
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total	279	327	855	961
General and administrative costs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total	4,270	2,761	11,497	8,248
Sales and marketing costs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total	509	460	1,401	1,316
Research and development costs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total	837	586	2,144	1,708
Internal use software
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Amount capitalized	$ 9	$ 5	$ 19	$ 18