Net Loss Per Share Attributable to Common Stockholders - Computation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jul. 31, 2024	Jul. 31, 2023
Numerator
Net loss attributable to common stockholders	$ (62,827)	$ (64,358)
Denominator
Weighted-average shares used in computing net loss per share attributable to Class A and Class B common stockholders, basic (in shares)	124,979	115,681
Weighted-average shares used in computing net loss per share attributable to Class A and Class B common stockholders, diluted (in shares)	124,979	115,681
Basic and diluted net loss per share attributable to common stockholders
Basic net loss per Class A and Class B common shares (in dollars per share)	$ (0.50)	$ (0.56)
Diluted net loss per Class A and Class B common shares (in dollars per share)	$ (0.50)	$ (0.56)