v3.26.1
Deferred Revenue - Movement (Details)
$ in Thousands
 12 Months Ended
Mar. 28, 2025
USD ($)
Dec. 31, 2025
USD ($)
oz
$ / Ounce
Dec. 31, 2024
USD ($)
oz
$ / Ounce
Dec. 31, 2021
USD ($)
Disclosure of assets recognised from costs to obtain or fulfil contracts with customers [line items]        
Accretion of deferred revenue   $ 6,764 $ 2,501  
Current portion of deferred revenue   12,800 31,712  
Deferred revenue   92,950 $ 48,231  
Cumulative quantity delivered | oz     45,177  
Gold        
Disclosure of assets recognised from costs to obtain or fulfil contracts with customers [line items]        
Quantity delivered (in ounce) | oz     15,917  
Balance, beginning of year   $ 62,989 $ 75,549  
Advances received     3,249  
Accretion of deferred revenue     2,501  
Amortization of deferred revenue     (18,310)  
Balance, end of year     62,989  
Current portion of deferred revenue     14,758  
Deferred revenue     48,231  
Cumulative quantity delivered | oz   54,869    
Royal Gold        
Disclosure of assets recognised from costs to obtain or fulfil contracts with customers [line items]        
Amortization due to change in estimate   $ 200 $ 3,000  
Royal Gold | Gold        
Disclosure of assets recognised from costs to obtain or fulfil contracts with customers [line items]        
Quantity delivered (in ounce) | oz   9,692 15,917  
Balance, beginning of year   $ 62,989    
Advances received $ 50,000 50,000   $ 100,000
Accretion of deferred revenue   6,764    
Amortization of deferred revenue   (14,003) $ (18,300)  
Balance, end of year   105,750 $ 62,989  
Current portion of deferred revenue   12,800    
Deferred revenue   $ 92,950    
Average cash consideration (in usd per ounce) | $ / Ounce   1,213 473