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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
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Dec. 31, 2021 | Dec. 31, 2020
Bottom of range |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Gold price ($/oz) | 1,800 | 1,850
Discount rate | 5.00% | 5.00%
Top of range |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Gold price ($/oz) | 1,550 | 1,550
Discount rate | 6.00% | 6.00%

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- Definition The discount rate used in the current measurement of fair value less costs of disposal. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2021-01-01 -Paragraph 130 -Subparagraph f -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_130_f_iii&doctype=Standard -URIDate 2021-03-24 + Details
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