CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	RSUs	Common Stock	Common Stock RSUs	Additional Paid-In Capital	Additional Paid-In Capital RSUs	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Beginning Balance, shares (in shares) at Apr. 30, 2023			113,943
Beginning Balance, Amount at Apr. 30, 2023	$ 929,665		$ 113		$ 1,740,174		$ (385)	$ (810,237)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of early exercised Class A common stock options (in shares)			2,084
Vesting of early exercised Class A common stock options	9,571		$ 2		9,569
Vesting of early exercised Class A common stock options	151				151
Shares withheld related to net share settlement of equity awards (in shares)			(172)
Shares withheld related to net share settlement of equity awards	(7,118)				(7,118)
Vesting of restricted stock units (in shares)				2,070
Vesting of restricted stock units		$ 21,468		$ 2		$ 21,466
Stock-based compensation expense	43,436				43,436
Other comprehensive loss	(373)						(373)
Net loss	(64,358)							(64,358)
Ending Balance, shares (in shares) at Jul. 31, 2023			117,925
Ending Balance, Amount at Jul. 31, 2023	932,442		$ 117		1,807,678		(758)	(874,595)
Beginning Balance, shares (in shares) at Apr. 30, 2024			123,706
Beginning Balance, Amount at Apr. 30, 2024	$ 873,353		$ 123		1,963,726		(563)	(1,089,933)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of early exercised Class A common stock options (in shares)	434		430
Vesting of early exercised Class A common stock options	$ 3,125		$ 1		3,124
Vesting of early exercised Class A common stock options	105				105
Shares withheld related to net share settlement of equity awards (in shares)			(107)
Shares withheld related to net share settlement of equity awards	(2,945)				(2,945)
Vesting of restricted stock units (in shares)				2,176
Vesting of restricted stock units		$ 22,280		$ 2		$ 22,278
Stock-based compensation expense	40,986				40,986
Other comprehensive loss	844						844
Net loss	(62,827)							(62,827)
Ending Balance, shares (in shares) at Jul. 31, 2024			126,205
Ending Balance, Amount at Jul. 31, 2024	$ 874,921		$ 126		$ 2,027,274		$ 281	$ (1,152,760)