v3.26.1
Derivative Financial Instruments - Summary of Provisionally Priced Sales (Details)
$ in Thousands
Mar. 31, 2026
USD ($)
oz
$ / oz
Gold Concentrates Sales Agreements | 2025  
Derivative instruments Settlement  
Notional Amount Derivative | $ $ 80,275
Derivative average price | $ / oz 4,795
Outstanding Provisionally Priced Sales Consists of Gold | oz 16,743
Gold Concentrates Sales Agreements | 2027 and Thereafter  
Derivative instruments Settlement  
Notional Amount Derivative | $ $ 0
Derivative average price | $ / oz 0
Outstanding Provisionally Priced Sales Consists of Gold | oz 0
Copper Concentrates Sales Agreements | 2025  
Derivative instruments Settlement  
Notional Amount Derivative | $ $ 59,992
Derivative average price | $ / oz 5.58
Outstanding Provisionally Priced Sales Consists of Gold | oz 10,753,000
Copper Concentrates Sales Agreements | 2027 and Thereafter  
Derivative instruments Settlement  
Notional Amount Derivative | $ $ 0
Derivative average price | $ / oz 0
Outstanding Provisionally Priced Sales Consists of Gold | oz 0
Gold Concentrates Swap Contracts | 2025  
Derivative instruments Settlement  
Notional Amount Derivative | $ $ 37,478
Derivative average price | $ / oz 4,964
Outstanding Provisionally Priced Sales Consists of Gold | oz 7,550
Gold Concentrates Swap Contracts | 2027 and Thereafter  
Derivative instruments Settlement  
Notional Amount Derivative | $ $ 0
Derivative average price | $ / oz 0
Outstanding Provisionally Priced Sales Consists of Gold | oz 0
Copper Concentrates Swap Contracts | 2025  
Derivative instruments Settlement  
Notional Amount Derivative | $ $ 59,291
Derivative average price | $ / oz 5.63
Outstanding Provisionally Priced Sales Consists of Gold | oz 10,527,000
Copper Concentrates Swap Contracts | 2027 and Thereafter  
Derivative instruments Settlement  
Notional Amount Derivative | $ $ 0
Derivative average price | $ / oz 0
Outstanding Provisionally Priced Sales Consists of Gold | oz 0