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Provision for Reclamation Liabilities (Tables)
 9 Months Ended
Sep. 30, 2022
Provision for Reclamation Liabilities Explanatory [Abstract]  
Schedule of provision for reclamation liabilities
($000s)  September 30,
2022		   December 31,
2021		 
Beginning of the period   8,442    6,164 
Disbursements   (2,992)   (3,320)
Environmental rehabilitation (recovery) expense   99    5,515 
Accretion   53    83 
End of the period   5,602    8,442 
           
Provision for reclamation liabilities - current   2,880    3,680 
Provision for reclamation liabilities - long-term   2,722    4,762 
    5,602    8,442