v3.25.4
Acquisitions and Other Transactions - Partial buyback of Cascabel Stream and NSR - Ecuador (Details) - Acquisition of gold stream - Cascabel Gold Stream And Net Smelter Return , Ecuador
$ in Millions
1 Months Ended 12 Months Ended
Jan. 01, 2026
oz
Feb. 28, 2026
USD ($)
Dec. 31, 2025
Mar. 04, 2026
USD ($)
oz
Disclosure of detailed information about business combination [line items]        
Receivable from stream buyback   $ 40.7    
Receivable from net smelter return buyback   $ 97.5    
Percentage of stream buyback exercised 50.00% 50.00% 50.00%  
Percentage of net smelter return buyback exercised   50.00%    
Percentage of gold produced in concentrate 7.00%     7.00%
Ounces Of Gold Delivered Under Initial Threshold | oz 262,500     262,500
Percentage of gold produced in concentrate for remaining life 4.20%     4.20%
Percentage payment of spot prices for the gold ounces delivered       20.00%
Percentage of net smelter return on all minerals produced indefinitely       0.50%
Minimum annual royalty payment obligation       $ 5.0