Commitment and Contingencies - Narrative (Details) - USD ($) $ in Thousands	Apr. 30, 2026	Jan. 31, 2026	Jan. 31, 2022	Jan. 31, 2021
Commitments and Contingencies Disclosure [Abstract]
Government assistance, award amount			$ 6,000	$ 6,000
NOW Scheme contingency payable	$ 4,839	$ 4,919	$ 6,000	$ 6,000

Amount of government assistance awarded that comprises amount received, receivable, and to be received unless condition for government assistance is not met. Includes, but is not limited to, government grant, assistance, incentive, award, subsidy, and loan.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 832
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483507/832-10-50-3

Name:	us-gaap_GovernmentAssistanceAwardAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant