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Gain (loss) on Financial Instruments (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Disclosure of detailed information about financial instruments [line items] |  |
Gains (losses) on financial assets at fair value through profit or loss | $ 1,112 | $ 2,661
Gains (losses) on financial liabilities at fair value through profit or loss | (17,279) | (15,739)
Gains (losses) on financial assets and liabilities at fair value through profit or loss | (16,167) | (13,078)
Gold Notes |  |
Disclosure of detailed information about financial instruments [line items] |  |
Gains (losses) on financial liabilities at fair value through profit or loss | (20,275) | (8,950)
Convertible Debentures |  |
Disclosure of detailed information about financial instruments [line items] |  |
Gains (losses) on financial liabilities at fair value through profit or loss | 565 | (1,032)
Unlisted Warrants |  |
Disclosure of detailed information about financial instruments [line items] |  |
Gains (losses) on financial liabilities at fair value through profit or loss | 466 | 401
Listed Warrants |  |
Disclosure of detailed information about financial instruments [line items] |  |
Gains (losses) on financial liabilities at fair value through profit or loss | 1,965 | (6,158)
Denarius Common Shares |  |
Disclosure of detailed information about financial instruments [line items] |  |
Gains (losses) on financial assets at fair value through profit or loss | 895 | 2,662
Denarius Convertible Debenture |  |
Disclosure of detailed information about financial instruments [line items] |  |
Gains (losses) on financial assets at fair value through profit or loss | 2,071 | 0
Denarius Warrants |  |
Disclosure of detailed information about financial instruments [line items] |  |
Gains (losses) on financial assets at fair value through profit or loss | (98) | 0
Embedded derivative asset in Senior Notes |  |
Disclosure of detailed information about financial instruments [line items] |  |
Gains (losses) on financial assets at fair value through profit or loss | (1,760) | 0
Other Gain (Loss) on Financial Instruments |  |
Disclosure of detailed information about financial instruments [line items] |  |
Gains (losses) on financial assets at fair value through profit or loss | $ 4 | $ (1)

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