Investment in associate - Schedule of Investment in Associate (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Disclosure of associates [line items]
Investment in associate	$ 109,423	$ 0
Amex Exploration Inc.
Disclosure of associates [line items]
Fair value of previously held investment	66,271
Consideration for acquisition of investment	43,153
Investment in associate	$ 109,423

The amount of investments in associates accounted for using the equity method. [Refer: Total for all associates [member]; Investments accounted for using equity method]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
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