Related party transactions and balances - Loan Guarantee by Related Party (Details)	Mar. 31, 2026
Mr. Liang Chou Chen \| Foremost Groups Ltd.
Related Party Transaction [Line Items]
Ownership percentage (as a percent)	49.91%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details