Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Revenue	$ 53,065	$ 33,110
Cost of revenue	16,063	10,255
Gross profit	37,002	22,855
Operating expenses:
Research and development	16,501	6,985
Sales and marketing	28,130	16,770
General and administrative	14,362	5,249
Total operating expenses	58,993	29,004
Other income (expense), net	86	(12)
Loss before provision for income taxes	(21,905)	(6,161)
Provision for income taxes	315	278
Net loss	$ (22,220)	$ (6,439)
Net loss per share attributable to Class A and Class B common stockholders:
Basic and diluted	$ (0.20)	$ (0.23)
Weighted-average shares used in computing net loss per share attributable to Class A and Class B common stockholders:
Basic and diluted	109,553	27,926