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Other current and non-current non-financial assets - Prospecting Conciliation (Details) - Metallic Exploration - Chile - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Detailed Information About Reconciliation Of Economically Feasible Metalic Explorations [Line Items]      
Opening balance   $ 50,844 $ 36,327
Additions $ 10,701 12,002  
Reclassifications from Exploration in execution – Chile (1,719) 2,515  
Reclassifications to Exploration in Exploitation-Chile 0 0  
Total changes 8,982 14,517  
Total $ 59,826 $ 50,844