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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, 2022
Dec. 31, 2021
Top of range    
Disclosure of reconciliation of changes in goodwill [line items]    
Gold price ($/oz) 1,725 1,800
Discount rate 7.00% 6.00%
Bottom of range    
Disclosure of reconciliation of changes in goodwill [line items]    
Gold price ($/oz) 1,600 1,550
Discount rate 6.00% 5.00%