Property and Equipment, Net - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Apr. 30, 2026	Apr. 30, 2025	Jan. 31, 2026
Property, Plant, and Equipment [Line Items]
Depreciation expense	$ 2,200	$ 2,700
Impairment of long-lived assets	4,689	$ 0
Impairment of right-of-use asset	3,300
Impairment of leasehold	1,000
Impairment of cloud computing capitalized implementation costs	400
Building
Property, Plant, and Equipment [Line Items]
Impairment of long-lived assets	$ 4,300
UNITED STATES | Property, Plant and Equipment | Geographic Concentration Risk
Property, Plant, and Equipment [Line Items]
Concentration risk, percentage	93.00%		93.00%