CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Revenue	$ 798,710	$ 683,191	$ 541,130
Cost of revenue	183,577	154,789	106,396
Gross profit	615,133	528,402	434,734
Operating expenses:
Sales and marketing	393,450	349,430	270,158
Research and development	153,163	143,560	116,432
General and administrative	116,181	103,227	89,912
Restructuring	4,499	0	0
Total operating expenses	667,293	596,217	476,502
Loss from operations	(52,160)	(67,815)	(41,768)
Interest income	24,700	6,284	606
Interest expense	(31,339)	(19,001)	(7,502)
Other expense, net	(8,602)	(4,757)	(1,965)
Loss before income taxes	(67,401)	(85,289)	(50,629)
Provision (benefit) for income taxes	10,883	6,933	(3,952)
Net loss	$ (78,284)	$ (92,222)	$ (46,677)
Net loss per share, basic (in usd per share)	$ (0.68)	$ (0.83)	$ (0.44)
Net loss per share, diluted (in usd per share)	$ (0.68)	$ (0.83)	$ (0.44)
Weighted-average shares used to compute net loss per share, basic (in shares)	115,408	111,321	106,387
Weighted-average shares used to compute net loss per share, diluted (in shares)	115,408	111,321	106,387