v3.25.4
Acquisitions and Other Transactions - Gold Stream on SolGold plc's Cascabel Copper-Gold Project (Details)
$ in Thousands
1 Months Ended 12 Months Ended
Jan. 01, 2026
oz
Jul. 15, 2024
USD ($)
item
oz
Jul. 14, 2024
USD ($)
Feb. 28, 2026
Dec. 31, 2025
Mar. 04, 2026
oz
Jul. 17, 2025
item
Cascabel              
Disclosure of detailed information about business combination [line items]              
Remaining commitment funding   $ 239,200 $ 478,300        
SolGold              
Disclosure of detailed information about business combination [line items]              
Maximum contribution towards acquisition   $ 750,000          
Number of payments for pre- construction funding | item   3          
Number of additional staged deposits payable | item   2          
Percentage of gold produced to be delivered until the threshold is met   14.00%          
Deliveries of ounces of refined gold threshold | oz   525,000          
Percentage of gold produced for the remaining mine life   8.40%          
Percentage of spot gold price pay   20.00%          
Period for completion under option to buy-down   5 years          
Buy back percentage of net smelter return   15.00%          
Terms of arrangement of joint acquisitions (years)   3 years          
SolGold | Osisko              
Disclosure of detailed information about business combination [line items]              
Maximum contribution towards acquisition   $ 225,000          
SolGold | Franco-Nevada (Barbados) Corporation ("FNBC")              
Disclosure of detailed information about business combination [line items]              
Maximum contribution towards acquisition   525,000          
Pre- construction funding   70,000          
Upfront deposit   23,400          
Amount payable upon completion of development milestone deposit   23,300          
Amount payable towards construction   $ 455,000          
SolGold | Change in control within three years from closing              
Disclosure of detailed information about business combination [line items]              
Period for completion under option to buy-down   3 years          
Option to buy back of NSR (as a percent)   50.00%          
SolGold | Change in control within two years from closing              
Disclosure of detailed information about business combination [line items]              
Period for completion under option to buy-down   2 years          
Option to buy back of NSR (as a percent)   33.33%          
SolGold | Acquisition of gold stream | Franco-Nevada (Barbados) Corporation ("FNBC")              
Disclosure of detailed information about business combination [line items]              
Number of payments for pre- construction funding | item             3
Cascabel Gold Stream And Net Smelter Return , Ecuador | Acquisition of gold stream              
Disclosure of detailed information about business combination [line items]              
Percentage of Stream Buyback Exercised 50.00%     50.00% 50.00%    
Percentage Of Gold Produced In Concentrate Until Threshold Ounces Delivered 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%