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		6 Months Ended		7 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Mar. 31, 2025
Segment Reporting Information [Line Items]
Segment adjusted gross profit	$ 139,580	$ 128,745	$ 275,965	$ 256,595
Sales and marketing	(79,820)	(86,990)	(162,320)	(174,291)
Research and development	(26,361)	(32,408)	(51,319)	(63,631)
General and administrative	(21,831)	(27,264)	(46,839)	(52,033)
Restructuring charges	(109)	0	(1,578)	0	$ (100)
Total other income (expense), net	3,470	(5,466)	7,128	(49)
Net income (loss) before taxes	7,398	(31,012)	6,564	(48,324)
Reportable Segment
Segment Reporting Information [Line Items]
Segment adjusted gross profit	139,580	128,745	275,965	256,595
Other costs of revenue	(7,531)	(7,629)	(14,473)	(14,915)
Sales and marketing	(79,820)	(86,990)	(162,320)	(174,291)
Research and development	(26,361)	(32,408)	(51,319)	(63,631)
General and administrative	(21,831)	(27,264)	(46,839)	(52,033)
Restructuring charges	(109)	0	(1,578)	0
Total other income (expense), net	3,470	(5,466)	7,128	(49)
Net income (loss) before taxes	$ 7,398	$ (31,012)	$ 6,564	$ (48,324)