| Disclosure of Information About Other Accounts Payable [Text Block] |
| | | | | | | December 31, | | December 31, | | | 2025 | | 2024 | | | US$(000) | | US$(000) | | | | | | Supplementary Retirement Fund contribution | | 9,011 | | 7,893 | Payroll withholdings (a) | | 8,466 | | 7,855 | Interest, penalties, and interest on penalties of prepaid income tax | | 4,738 | | — | Contributions to Social Health Insurance | | 3,396 | | 2,890 | Penalties to the Geological, Mining and Metallurgical Institute | | 3,298 | | 3,757 | Miscellaneous interest payable | | 2,319 | | 1,438 | Agency for Environmental Assessment and Enforcement (OEFA) and Supervisory Agency for Investment in Energy and Mining (OSINERGMIN) contributions | | 942 | | 793 | Contribution to National industrial work training service (SENATI) | | 414 | | 355 | Other | | 300 | | 433 | | | | | | | | 32,884 | | 25,414 |
| (a) | As of December 31, 2025, represents the employees withholding income tax of US$ 3.7 million (US$ 4.0 million as of December 31, 2024), pension funds of US$ 3.3 million (US$ 2.8 million as of December 31, 2024), and other payroll withholdings of US$ 1.5 million (US$ 1.1 million as of December 31, 2024). |
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