CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Revenue	$ 683,191	$ 541,130	$ 440,221
Cost of revenue	154,789	106,396	77,554
Gross profit	528,402	434,734	362,667
Operating expenses:
Sales and marketing	349,430	270,158	224,277
Research and development	143,560	116,432	101,687
General and administrative	103,227	89,912	73,136
Total operating expenses	596,217	476,502	399,100
Loss from operations	(67,815)	(41,768)	(36,433)
Interest income	6,284	606	1,740
Interest expense	(19,001)	(7,502)	(496)
Other expense, net	(4,757)	(1,965)	(1,885)
Loss before income taxes	(85,289)	(50,629)	(37,074)
Provision (benefit) for income taxes	6,933	(3,952)	5,657
Net loss	$ (92,222)	$ (46,677)	$ (42,731)
Net loss per share, basic (in usd per share)	$ (0.83)	$ (0.44)	$ (0.42)
Net loss per share, diluted (in usd per share)	$ (0.83)	$ (0.44)	$ (0.42)
Weighted-average shares used to compute net loss per share, basic (in shares)	111,321	106,387	101,009
Weighted-average shares used to compute net loss per share, diluted (in shares)	111,321	106,387	101,009