Equity Incentive Plans and Stock-Based Compensation - Schedule of Restricted Stock Awards Activity under the Equity Incentive Plan (Details) - Restricted Stock Units	3 Months Ended
	Jun. 30, 2024 $ / shares shares
Unvested RSUs
Unvested RSUs, beginning balance (in shares) | shares	44,056,670
Granted (in shares) | shares	42,032,239
Vested (in shares) | shares	(15,841,185)
Cancelled/forfeited (in shares) | shares	(1,968,731)
Unvested RSUs, ending balance (in shares) | shares	68,278,993
Weighted-Average Grant Date Fair Value Per Share
Beginning balance (in usd per share) | $ / shares	$ 2.29
Granted (in usd per share) | $ / shares	0.52
Vested (in usd per share) | $ / shares	1.13
Cancelled/forfeited (in usd per share) | $ / shares	1.82
Ending balance (in usd per share) | $ / shares	$ 1.49