Property and Equipment, Net - Schedule of Impairment Loss (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2026	Apr. 30, 2025
Property, Plant, and Equipment [Line Items]
Total impairment loss	$ 4,689	$ 0
Building
Property, Plant, and Equipment [Line Items]
Total impairment loss	4,300
Income Statement Location [Axis]: us-gaap:CostOfRevenue
Property, Plant, and Equipment [Line Items]
Total impairment loss	1,453	0
Income Statement Location [Axis]: us-gaap:GeneralAndAdministrativeExpense
Property, Plant, and Equipment [Line Items]
Total impairment loss	1,086	0
Income Statement Location [Axis]: us-gaap:ResearchAndDevelopmentExpense
Property, Plant, and Equipment [Line Items]
Total impairment loss	1,042	0
Income Statement Location [Axis]: us-gaap:SellingAndMarketingExpense
Property, Plant, and Equipment [Line Items]
Total impairment loss	$ 1,108	$ 0