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Goodwill - Summary of key assumptions used for assessing the recoverable amount of goodwill (Details) - Goodwill - Integra Gold Corporation - $ / oz
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Top of range    
Disclosure of reconciliation of changes in goodwill [line items]    
Gold price ($/oz) 1,900 1,725
Real discount rate 7.25% 7.00%
Bottom of range    
Disclosure of reconciliation of changes in goodwill [line items]    
Gold price ($/oz) 1,700 1,600
Real discount rate 6.25% 6.00%