Share-based compensation - Share-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 53,024	$ 4,106	$ 69,034	$ 6,938
Cost of revenues | Subscription
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	2,061	344	4,016	668
Cost of revenues | Services
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	313	75	617	152
Sales and marketing
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	13,811	1,088	19,670	1,930
Research and development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	10,631	1,153	14,490	1,931
General and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 26,208	$ 1,446	$ 30,241	$ 2,257