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ACQUISITIONS AND DIVESTITURES - Pitarrilla (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Jul. 06, 2022
USD ($)
$ / shares
shares
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Business Combination, Separately Recognized Transactions [Line Items]          
Gain on sale of assets   $ 0 $ 629 $ 0 $ 629
Pitarrilla Project | Disposal Group, Disposed of by Sale          
Business Combination, Separately Recognized Transactions [Line Items]          
Consideration in cash $ 35,000        
Consideration in equity $ 25,600        
Consideration price (in shares) | shares 8,577,380        
Consideration price (in dollars per share) | $ / shares $ 2.99        
Royalty fee (as a percent) 0.0125        
Gain on sale of assets $ 600