XML 113 R76.htm IDEA: XBRL DOCUMENT v3.23.1
MINERAL PROPERTIES AND PROPERTY, PLANT AND EQUIPMENT (Narrative) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value of right-of-use assets $ 21.5 $ 29.4
Depletion and depreciation, right-of-use 9.0 6.3
Non Depletable [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Exploration and evaluation assets 26.4 22.0
Property, plant and equipment [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Depletion and depreciation, right-of-use 9.5 $ 7.2
Seguela Project [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Capitalized interest $ 3.3