Income Taxes - Summary of Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2023	Oct. 31, 2022
Income Tax Disclosure [Abstract]
Loss before income taxes	$ (40,065)	$ (18,697)	$ (108,923)	$ (49,323)
Provision (benefit) for income taxes	$ 1,645	$ 1,112	$ (113)	$ 4,958
Effective tax rate	(4.10%)	(6.00%)	0.10%	(10.10%)