Stock-based compensation - Summary of Stock Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total	$ 9,117	$ 6,299	$ 23,337	$ 17,671
Cost of revenue
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total	1,409	809	4,252	2,619
General and administrative costs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total	3,696	3,959	10,544	10,687
Sales and marketing costs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total	2,225	829	4,563	2,272
Research and development costs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total	$ 1,787	$ 702	$ 3,978	$ 2,093