v3.26.1
Deferred Revenue (Narrative) (Details)
$ in Millions
1 Months Ended 12 Months Ended
Jul. 15, 2024
$ / oz
oz
Dec. 31, 2025
USD ($)
oz
$ / oz
Dec. 31, 2025
USD ($)
oz
Dec. 31, 2024
USD ($)
Jul. 12, 2024
oz
Disclosure of performance obligations [line items]          
Advanced consideration from gold sale prepayment agreement, net of transaction costs | $       $ 111.1  
Accretion expense | $       5.5  
Mineral Property, Plant and Equipment          
Disclosure of performance obligations [line items]          
Accretion expense | $     $ 8.0 $ 3.4  
Forward contract          
Disclosure of performance obligations [line items]          
Average realized price per ounce | $ / oz 2,524        
Advanced consideration from gold sale prepayment agreement, net of transaction costs | $     $ 116.0    
Ounces subject to contract, settled | oz 49,384 49,384 49,384    
Forward contract          
Disclosure of performance obligations [line items]          
Ounces subject to contract | oz         329,417
Ounces subject to contract, settled | oz 179,417        
Argonaut Transaction          
Disclosure of performance obligations [line items]          
Advanced consideration from gold sale prepayment agreement, net of transaction costs | $   $ 50.0      
Argonaut Transaction | Forward contract          
Disclosure of performance obligations [line items]          
Ounces subject to contract | oz 179,417 12,255 12,255    
Average realized price per ounce | $ / oz 1,838        
Ounces subject to contract, settled | oz   50,000 50,000    
Average Curve Price Per Ounce | $ / oz   4,166