Goodwill - Additional information (Details) - Integra Gold Corporation $ in Thousands	12 Months Ended
Dec. 31, 2020 USD ($) $ / oz
Disclosure of reconciliation of changes in goodwill [line items]
Amount by which unit's recoverable amount exceeds its carrying amount \| $	$ 269
Decrease in gold price per ounce leading to impairment \| $ / oz	325
Increase in operating costs leading to impairment	25.00%

The amount by which a cash-generating unit's (group of units') recoverable amount exceeds its carrying amount. [Refer: Carrying amount [member]; Cash-generating units [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2020-01-01
-Paragraph 134
-Subparagraph f
-Clause i
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-URIDate 2020-01-01

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2020-01-01
-Paragraph 135
-Subparagraph e
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2020-en-r&anchor=para_135_e_i&doctype=Standard
-URIDate 2020-01-01

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