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RECLAMATION AND REMEDIATION LIABILITIES (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Dec. 31, 2023
ASSET RETIREMENT OBLIGATIONS      
Asset retirement obligation $ 47,929 $ 46,063 $ 43,021
Gold Bar and Tonkin properties      
ASSET RETIREMENT OBLIGATIONS      
Asset retirement obligation 23,200 22,400  
Black Fox Complex      
ASSET RETIREMENT OBLIGATIONS      
Asset retirement obligation 18,200 16,700  
El Gallo Project      
ASSET RETIREMENT OBLIGATIONS      
Asset retirement obligation $ 6,500 $ 7,000