Related Party Transactions (Details) - Related Party - USD ($)	3 Months Ended		9 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024	Aug. 31, 2025	Jul. 31, 2025	Jan. 31, 2025
Related Party Transaction [Line Items]
Contract term					5 months	3 years
Contract value					$ 1,100,000	$ 67,500,000
Revenue	$ 6,700,000	$ 3,300,000	$ 17,400,000	$ 9,000,000
Receivables	$ 0		0				$ 0
Strategic investment, non-marketable equity securities			$ 20,000,000	$ 5,000,000.0