Equity Incentive Plans - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2021
Options, Outstanding Number [Roll Forward]
Stock options granted (in shares)	94,105	495,460
Stock options
Aggregate Intrinsic Value (in thousands)
Unrecognized over a weighted-average period (in years)	1 year 11 months 26 days
2012 Plan
Options, Outstanding Number [Roll Forward]
Beginning balance (in shares)	5,219,124	7,611,016
Stock options granted (in shares)	94,105	495,460
Stock options assumed in acquisition (in dollars per share)	$ 15.55	$ 10.20
Stock options assumed in acquisition (in shares)	(1,127,036)	63,846
Stock options exercised (in shares)	(143,656)	(2,563,287)
Stock options cancelled (in shares)	(4,299)	(386,656)
Stock options assumed in acquisition cancelled (in shares)		(1,255)
Exercisable as of April 30, 2021 (in dollars per share)	$ 24.70
Exercisable as of April 30, 2021 (in shares)	3,425,478
Ending balance (in shares)	4,038,238	5,219,124	7,611,016
Options Outstanding, Weighted Average Exercise Price [Abstract]
Beginning balance (in dollars per share)	$ 29.41	$ 20.34
Stock options granted (in dollar per share)	82.24	94.46
Stock options exercised (in dollars per share)	78.69	14.18
Stock options cancelled (in dollars per share)	47.63	32.04
Stock options assumed in acquisition cancelled (in dollars per share)		40.35
Ending balance (in dollars per share)	$ 32.74	$ 29.41	$ 20.34
Remaining Contractual Term (in years)
Remaining Contractual Term (in years)	5 years 4 months 6 days	6 years 2 months 19 days	6 years 7 months 28 days
Exercisable, Remaining Contractual Term (in years)	4 years 11 months 4 days
Aggregate Intrinsic Value (in thousands)
Beginning balance	$ 266,021	$ 768,517
Ending balance	134,778	$ 266,021	$ 768,517
Exercisable as of April 30, 2021	$ 128,503