v3.26.1
Provision for rehabilitation and closure costs (Tables)
 12 Months Ended
Dec. 31, 2025
Other Provisions, Contingent Liabilities And Contingent Assets [Abstract]  
Reconciliation of Provision for Rehabilitation and Closure Costs
December 31, 2025
December 31, 2024
Balance, beginning of year
28,657 
$
26,687 
Change in estimates(2)
(4,303)
12,499 
Accretion expense
3,517 
2,339 
Settled
(5,608)
(5,870)
Foreign exchange
3,483 
(6,998)
Balance, end of year
$
25,746 
$
28,657 
Caraíba Operations
$
15,743 
$
20,689 
Tucumã Operation
5,183 
3,868 
Xavantina Operations
4,820 
4,100 
Total
$
25,746 
$
28,657 
Current portion(1)
$
3,768 
$
6,766 
Non-current portion
21,978 
21,891