Segment and geographic information - Schedule of Reconciliation from Total Segment Adjusted Gross Profit to Gross Profit and Net Loss Before Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2025	Mar. 31, 2023	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Segment adjusted gross profit			$ 546,413	$ 521,030	$ 447,185
Sales and marketing			(326,451)	(342,946)	(316,738)
Research and development			(101,513)	(125,438)	(120,335)
General and administrative			(93,020)	(96,199)	(93,898)
Restructuring charges	$ (1,600)	$ (10,100)	(1,578)	(16,685)	(10,263)
Total other income, net			12,493	8,390	18,254
Net income (loss) before taxes			8,337	(80,938)	(103,641)
Reportable Segment
Segment Reporting Information [Line Items]
Segment adjusted gross profit			546,413	521,030	447,185
Other costs of revenue			(28,007)	(29,090)	(27,846)
Sales and marketing			(326,451)	(342,946)	(316,738)
Research and development			(101,513)	(125,438)	(120,335)
General and administrative			(93,020)	(96,199)	(93,898)
Restructuring charges			(1,578)	(16,685)	(10,263)
Total other income, net			12,493	8,390	18,254
Net income (loss) before taxes			$ 8,337	$ (80,938)	$ (103,641)