Net Loss Per Share - Schedule of Basic and Diluted Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Apr. 30, 2025	Apr. 30, 2024
Numerator:
Net loss	$ (37,626)	$ (80,593)
Denominator:
Weighted-average shares used to compute net loss per share, basic and diluted	81,060,822	72,990,141
Net loss per share, basic and diluted (in dollars per share)	$ (0.46)	$ (1.10)