CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2021		Sep. 30, 2020	[1]	Sep. 30, 2021		Sep. 30, 2020
Revenue:
Total revenue	$ 95,621		$ 70,548		$ 262,586		$ 192,865	[1]
Cost of revenue:
Amortization expense	5,198		2,679		10,835		8,034	[1]
Total cost of revenue	26,470		15,158		63,068		43,801	[1]
Gross profit	69,151		55,390		199,518		149,064	[1]
Operating expenses:
Sales and marketing	40,856		23,773		103,640		67,558	[1]
Research and development	25,608		12,757		58,437		37,344	[1]
General and administrative	25,536		13,845		69,288		31,588	[1]
Amortization expense	7,025		5,633		18,275		16,941	[1]
Total operating expenses	99,025		56,008		249,640		153,431	[1]
Loss from operations	(29,874)		(618)		(50,122)		(4,367)	[1]
Interest expense, net	(1,386)		(1,207)		(1,608)		(10,675)	[1]
Loss on extinguishment of debt	(449)		(5,213)		(449)		(5,213)	[2]
Foreign currency transaction loss	(269)		(154)		(795)		(471)	[1]
Other income, net	0		0		0		91	[1]
Loss before income tax benefit	(31,978)		(7,192)		(52,974)		(20,635)	[1]
Income tax benefit	1,595		1,804		1,535		4,917	[1]
Net loss	$ (30,383)	[1]	$ (5,388)		$ (51,439)	[1]	$ (15,718)	[2]
Net loss per share, basic (in dollars per share)	$ (0.26)		$ (0.05)		$ (0.44)		$ (0.15)	[1]
Net loss per share, diluted (in dollars per share)	$ (0.26)		$ (0.05)		$ (0.44)		$ (0.15)	[1]
Weighted-average shares used to compute net loss per share, basic (in shares)	118,640,565		113,203,074		117,983,463		106,333,836	[1]
Weighted-average shares used to compute net loss per share, diluted (in shares)	118,640,565		113,203,074		117,983,463		106,333,836	[1]
Subscription
Revenue:
Total revenue	$ 90,700		$ 65,634		$ 245,900		$ 178,438	[1]
Cost of revenue:
Cost of revenue	18,317		10,032		44,206		28,020	[1]
Services
Revenue:
Total revenue	4,083		3,897		12,015		10,616	[1]
Cost of revenue:
Cost of revenue	2,955		2,447		8,027		7,747	[1]
License
Revenue:
Total revenue	$ 838		$ 1,017		$ 4,671		$ 3,811	[1]

[1] Certain prior period amounts have been revised to correct immaterial errors. See Note 1 for more information.

[2] Certain prior period amounts have been revised to correct immaterial errors. See Note 1 for more information.