Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Revenue	$ 269,428	$ 213,526
Cost of revenue	45,723	40,202
Gross profit	223,705	173,324
Operating expenses
Sales and marketing	120,994	117,363
Research and development	70,599	80,036
General and administrative	51,018	45,188
Total operating expenses	242,611	242,587
Loss from operations	(18,906)	(69,263)
Interest income	5,938	4,948
Interest expense	(479)	(496)
Accretion income, net	3,088	1,632
Other expense, net	(344)	(210)
Loss before provision for income taxes	(10,703)	(63,389)
Provision for income taxes	263	58
Net loss	$ (10,966)	$ (63,447)
Net loss per share attributable to common stockholders, diluted (in dollars per share)	$ (0.08)	$ (0.45)
Net loss per share attributable to common stockholders, basic (in dollars per share)	$ (0.08)	$ (0.45)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic (in shares)	145,476,006	139,646,465
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted (in shares)	145,476,006	139,646,465
Other comprehensive (loss) income
Foreign currency translation adjustment, net of tax	$ (486)	$ (16)
Unrealized (loss) income on available-for-sale debt and marketable securities, net of tax	(207)	324
Total other comprehensive (loss) income	(693)	308
Comprehensive loss	$ (11,659)	$ (63,139)