Income Taxes - Schedule of Income Tax Provision (Benefit) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Current:
U.S. federal tax	$ (2,650)	$ 303	$ (3,525)
U.S. state taxes	4	1	175
Non-U.S. foreign taxes	2,395	1,711	2,395
Current income tax provision	(251)	2,015	(955)
Deferred:
U.S. federal tax	0	18,909	(4,231)
U.S. state taxes	0	0	0
Non-U.S. foreign taxes	(351)	(37)	(366)
Deferred income tax provision	(351)	18,872	(4,597)
Provision (benefit) for income taxes	$ (602)	$ 20,887	$ (5,552)