Condensed Consolidated Statements Of Operations And Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Revenue (includes related party revenue of $10,670 and $8,265, respectively)	$ 60,864	$ 64,513
Cost of revenue (includes related party cost of $275 and $(239), respectively)	30,184	39,023
Gross profit	30,680	25,490
Operating expenses:
Research and development (includes related party expenses of $3,301 and $3,549, respectively)	62,329	52,009
Sales and marketing	22,658	33,434
General and administrative	50,740	29,643
Restructuring charges incurred during the period	4,217	0
Total operating expenses	139,944	115,086
Loss from operations	(109,264)	(89,596)
Other income (expense):
Interest income, net	4,307	245
Other income (expense), net	333	(435)
Loss before income taxes	(104,624)	(89,786)
Benefit from income taxes	0	254
Net loss	(104,624)	(89,532)
Other comprehensive (loss) income, net of tax	(334)	624
Total comprehensive loss	$ (104,958)	$ (88,908)
Net loss per share of Class A and Class B common stock attributable to common stockholders:
Net loss per share attributable to common stockholders, basic	$ (0.23)	$ (0.20)
Net loss per share attributable to common stockholders, diluted	$ (0.23)	$ (0.20)
Weighted-average shares used to compute net loss per share:
Weighted-average shares used to compute net loss per share, basic	462,254,442	446,505,329
Weighted-average shares used to compute net loss per share, diluted	462,254,442	446,505,329