Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Revenue	$ 102,986	$ 86,649	$ 203,361	$ 168,859
Cost of revenue	33,239	27,665	65,096	52,945
Gross profit	69,747	58,984	138,265	115,914
Operating expenses:
Sales and marketing	45,359	41,483	87,175	76,010
Research and development	26,619	20,251	50,178	38,330
General and administrative	27,093	24,664	49,429	47,226
Restructuring charges	6,742		6,742
Total operating expenses	105,813	86,398	193,524	161,566
Operating loss	(36,066)	(27,414)	(55,259)	(45,652)
Other expense, net:
Interest and investment income	679	100	741	233
Interest expense	(1,307)	(9,655)	(2,607)	(16,215)
Loss on extinguishment of convertible notes and capped call modification		(37)		(2,925)
Other income (expense), net	(189)	(602)	91	(651)
Total other expense, net	(817)	(10,194)	(1,775)	(19,558)
Loss before income taxes	(36,883)	(37,608)	(57,034)	(65,210)
Benefit from income taxes	701	3,787	1,779	9,600
Net loss	$ (36,182)	$ (33,821)	$ (55,255)	$ (55,610)
Net loss per share attributable to common stockholders:
Basic	$ (0.91)	$ (0.89)	$ (1.40)	$ (1.49)
Diluted	$ (0.91)	$ (0.89)	$ (1.40)	$ (1.49)
Weighted-average common shares outstanding:
Basic	39,571,647	38,014,107	39,501,058	37,204,958
Diluted	39,571,647	38,014,107	39,501,058	37,204,958