Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Revenue	$ 184,722	$ 158,432	$ 539,392	$ 463,767
Cost of revenue	77,264	69,080	229,903	201,330
Gross profit	107,458	89,352	309,489	262,437
Operating expenses
Sales and marketing	76,492	77,490	233,520	212,789
Research and development	30,307	28,062	90,829	74,595
General and administrative	22,155	27,051	71,112	72,147
Restructuring charges	0	0	10,263	0
Total operating expenses	128,954	132,603	405,724	359,531
Loss from operations	(21,496)	(43,251)	(96,235)	(97,094)
Other income (expense)
Interest income	5,542	1,610	14,758	1,857
Interest expense	(124)	(1,018)	(464)	(895)
Other income (expense), net	122	(3,523)	(2,181)	(4,439)
Total other income (expense), net	5,540	(2,931)	12,113	(3,477)
Net loss before taxes	(15,956)	(46,182)	(84,122)	(100,571)
Income tax provision	(811)	(511)	(2,924)	(1,151)
Net loss	(16,767)	(46,693)	(87,046)	(101,722)
Net loss	$ (16,767)	$ (46,693)	$ (87,046)	$ (101,722)
Net loss per share
Basic (in dollars per share)	$ (0.11)	$ (0.33)	$ (0.59)	$ (0.73)
Diluted (in dollars per share)	$ (0.11)	$ (0.33)	$ (0.59)	$ (0.73)
Weighted-average shares used in computing net loss per share
Basic (in shares)	151,307,963	140,951,605	148,392,636	140,116,156
Diluted (in shares)	151,307,963	140,951,605	148,392,636	140,116,156