Stock-Based Compensation - Restricted Stock Unit Activity (Details) - RSUs - $ / shares shares in Thousands	12 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Number of RSUs
Unvested Balance at beginning of period (in shares)	12,109	447
RSUs granted (in shares)	19,254	13,750
RSUs vested (in shares)	(6,535)	(264)
RSUs forfeited (in shares)	(3,682)	(1,824)
Unvested Balance at end of period (in shares)	21,146	12,109
Weighted Average Grant Date Fair Value Per Share
Unvested Balance at beginning of period (in dollars per share)	$ 36.04	$ 74.52
RSUs granted (in dollars per share)	16.63	37.49
RSUs vested (in dollars per share)	29.16	52.53
RSUs forfeited (in dollars per share)	31.27	54.06
Unvested Balance at end of period (in dollars per share)	$ 21.32	$ 36.04