Segment and geographic information - Summary 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
	Jun. 30, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Segment adjusted gross profit		$ 521,030	$ 447,185	$ 375,266
Sales and marketing		(342,946)	(316,738)	(301,347)
Research and development		(125,438)	(120,335)	(104,556)
General and administrative		(96,199)	(93,898)	(99,064)
Restructuring charges	$ (10,100)	(16,685)	(10,263)	0
Total other income (expense), net		8,390	18,254	(399)
Net loss before taxes		(80,938)	(103,641)	(151,589)
Reportable Segment
Segment Reporting Information [Line Items]
Segment adjusted gross profit		521,030	447,185	375,266
Other costs of revenue		(29,090)	(27,846)	(21,489)
Sales and marketing		(342,946)	(316,738)	(301,347)
Research and development		(125,438)	(120,335)	(104,556)
General and administrative		(96,199)	(93,898)	(99,064)
Restructuring charges		(16,685)	(10,263)	0
Total other income (expense), net		8,390	18,254	(399)
Net loss before taxes		$ (80,938)	$ (103,641)	$ (151,589)