Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Revenue	$ 195,417	$ 184,722	$ 586,623	$ 539,392
Cost of revenue	72,362	77,264	221,888	229,903
Gross profit	123,055	107,458	364,735	309,489
Operating expenses
Sales and marketing	85,997	76,492	260,288	233,520
Research and development	32,976	30,307	96,607	90,829
General and administrative	22,266	22,155	74,299	71,112
Restructuring charges	11,275	0	11,275	10,263
Total operating expenses	152,514	128,954	442,469	405,724
Loss from operations	(29,459)	(21,496)	(77,734)	(96,235)
Other income (expense), net
Interest income	4,732	5,542	15,655	14,758
Interest expense	504	(124)	424	(464)
Other income (expense), net	(185)	122	(11,077)	(2,181)
Total other income, net	5,051	5,540	5,002	12,113
Net loss before taxes	(24,408)	(15,956)	(72,732)	(84,122)
Income tax provision	(863)	(811)	(2,692)	(2,924)
Net loss	$ (25,271)	$ (16,767)	$ (75,424)	$ (87,046)
Net loss per share
Basic (in dollars per share)	$ (0.17)	$ (0.11)	$ (0.49)	$ (0.59)
Diluted (in dollars per share)	$ (0.17)	$ (0.11)	$ (0.49)	$ (0.59)
Weighted-average shares used in computing net loss per share
Basic (in shares)	149,179,826	151,307,963	152,867,160	148,392,636
Diluted (in shares)	149,179,826	151,307,963	152,867,160	148,392,636