Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Revenue (related party amounts of $14,925 and $10,002 for the three months ended September 30, 2022 and 2021, respectively, and $23,190 and $21,212 for the six months ended September 30, 2022 and 2021, respectively)	$ 75,659	$ 55,204	$ 140,172	$ 114,443
Cost of revenue (related party amounts of $(271) and $(184) for the three months ended September 30, 2022 and 2021, respectively, and $(510) and $264 for the six months ended September 30, 2022 and 2021, respectively)	37,386	27,276	76,409	55,818
Gross profit	38,273	27,928	63,763	58,625
Operating expenses:
Research and development (related party amounts of $2,717 and $5,864 for the three months ended September 30, 2022 and 2021, respectively, and $6,266 and $11,886 for the six months ended September 30, 2022 and 2021, respectively)	52,598	44,523	104,607	88,755
Sales and marketing	24,835	13,588	58,269	29,007
General and administrative	28,881	16,264	58,524	28,860
Total operating expenses	106,314	74,375	221,400	146,622
Loss from operations	(68,041)	(46,447)	(157,637)	(87,997)
Interest income, net	1,392	92	1,637	136
Change in fair value of warrant liabilities	0	29,828	0	29,294
Other income (expense), net	(687)	3	(1,122)	17
Loss before income taxes	(67,336)	(16,524)	(157,122)	(58,550)
Benefit from income taxes	1,271	0	1,525	0
Net loss	(66,065)	(16,524)	(155,597)	(58,550)
Other comprehensive income	829	0	1,453	0
Total comprehensive loss	$ (65,236)	$ (16,524)	$ (154,144)	$ (58,550)
Net loss per share of Class A and Class B common stock attributable to common stockholders:
Income (Loss) from Continuing Operations, Per Basic Share	$ (0.15)	$ (0.04)	$ (0.35)	$ (0.20)
Income (Loss) from Continuing Operations, Per Diluted Share	$ (0.15)	$ (0.04)	$ (0.35)	$ (0.20)
Weighted-average shares used to compute net loss per share:
Weighted Average Number of Shares Outstanding, Basic	449,899,537	406,886,060	448,211,708	288,190,872
Weighted Average Number of Shares Outstanding, Diluted	449,899,537	406,886,060	448,211,708	288,190,872