CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenue:
Total revenue	$ 366,388	$ 269,132	$ 203,965
Cost of revenue:
Amortization expense	16,018	10,753	10,266
Total cost of revenue	90,357	61,008	55,962
Gross profit	276,031	208,124	148,003
Operating expenses:
Sales and marketing	148,192	98,885	73,103
Research and development	82,541	52,513	42,898
General and administrative	96,206	51,603	31,509
Amortization expense	25,294	22,575	22,416
Total operating expenses	352,233	225,576	169,926
Loss from operations	(76,202)	(17,452)	(21,923)
Interest expense, net	(2,478)	(10,741)	(21,423)
Loss on extinguishment of debt	(449)	(5,213)	0
Foreign currency transaction loss	(849)	(722)	(1,252)
Other income, net	0	91	220
Loss before income tax benefit	(79,978)	(34,037)	(44,378)
Income tax benefit	4,789	9,955	10,033
Net loss	$ (75,189)	$ (24,082)	$ (34,345)
Net loss per share, basic (in dollars per share)	$ (0.64)	$ (0.22)	$ (0.33)
Net loss per share, diluted (in dollars per share)	$ (0.64)	$ (0.22)	$ (0.33)
Weighted-average shares used to compute net loss per share, basic (in shares)	118,276,462	108,908,597	102,752,092
Weighted-average shares used to compute net loss per share, diluted (in shares)	118,276,462	108,908,597	102,752,092
Subscription
Revenue:
Total revenue	$ 344,243	$ 248,879	$ 175,118
Cost of revenue:
Cost of revenue	63,441	39,529	31,457
Services
Revenue:
Total revenue	16,122	14,519	19,014
Cost of revenue:
Cost of revenue	10,898	10,726	14,239
License
Revenue:
Total revenue	$ 6,023	$ 5,734	$ 9,833