v3.26.1
Exploration and Evaluation Assets (Details)
$ in Thousands
1 Months Ended 12 Months Ended
Jul. 31, 2024
customer_
m
Jun. 30, 2024
USD ($)
Dec. 31, 2025
USD ($)
m
Dec. 31, 2024
USD ($)
Disclosure of detailed information about property, plant and equipment [line items]        
Exploration and evaluation assets     $ 33,869 $ 11,352
Write-downs (reversals of write-downs) of property, plant and equipment   $ 10,700 0 12,051
Purchase of exploration and evaluation assets     19,686 8,629
Exploration Drilling, Area | m 28,000      
Furnas Project        
Disclosure of detailed information about property, plant and equipment [line items]        
Purchase of exploration and evaluation assets     $ 24,100 4,900
Proportion of ownership interest in joint venture 60.00%      
Phases of project work | customer_ 3      
Feasibility Study Completion Phase 2, Period 24 months      
Exploration Drilling Phase Two, Area | m     17,000  
Exploration Drilling Phase Three, Area | m 45,000      
Caraíba (Brazil)        
Disclosure of detailed information about property, plant and equipment [line items]        
Transfers       $ 11,700