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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, 2022
Dec. 31, 2021
Detailed Information About Reconciliation Of Economically Feasible Metalic Explorations [Line Items]    
Opening balance $ 18,154 $ 10,872
Additions 11,341 8,071
Reclassifications from Exploration in execution - Chile 8,864 1,906
Reclassifications to Exploration in Exploitation-Chile (2,032) (2,695)
Total changes 18,173 7,282
Total $ 36,327 $ 18,154