Income Taxes - Summary of Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Income Tax Disclosure [Abstract]
Loss before income taxes	$ (23,419)	$ (40,065)	$ (94,735)	$ (108,923)
Provision (benefit) for income taxes	$ 652	$ 1,645	$ 2,157	$ (113)
Effective tax rate	(2.80%)	(4.10%)	(2.30%)	0.10%