Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Revenue	$ 178,240	$ 153,112	$ 354,670	$ 305,335
Cost of revenue	75,938	65,812	152,639	132,250
Gross profit	102,302	87,300	202,031	173,085
Operating expenses
Sales and marketing	77,371	68,421	157,028	135,299
Research and development	29,635	23,963	60,522	46,533
General and administrative	22,623	23,443	48,957	45,096
Restructuring charges	135	0	10,263	0
Total operating expenses	129,764	115,827	276,770	226,928
Loss from operations	(27,462)	(28,527)	(74,739)	(53,843)
Other income (expense)
Interest income, net	4,944	127	8,876	370
Other expense, net	(2,161)	(672)	(2,303)	(916)
Total other income (expense), net	2,783	(545)	6,573	(546)
Net loss before taxes	(24,679)	(29,072)	(68,166)	(54,389)
Income tax provision	(1,056)	(308)	(2,113)	(640)
Net loss	(25,735)	(29,380)	(70,279)	(55,029)
Net loss	$ (25,735)	$ (29,380)	$ (70,279)	$ (55,029)
Net loss per share
Basic (in dollars per share)	$ (0.17)	$ (0.21)	$ (0.48)	$ (0.39)
Diluted (in dollars per share)	$ (0.17)	$ (0.21)	$ (0.48)	$ (0.39)
Weighted-average shares used in computing net loss per share
Basic (in shares)	148,071,315	140,035,203	146,910,959	139,691,508
Diluted (in shares)	148,071,315	140,035,203	146,910,959	139,691,508