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v3.23.1

Exploration and evaluation - Disclosure of detailed information about exploration assets (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Statements Line Items |  |
Beginning balance | $ 3,635 | $ 42,519
Acquisition of Tintic by Osisko Development | 38,508 | 0
Additions | 4,519 | 3,784
Impairment | 0 | (42,668)
Other adjustments | (417) | 0
Currency translation adjustments | 3,138 | 0
Deconsolidation of Osisko Development | (49,383) | 0
Ending balance | 0 | 3,635
Cost [Member] |  |
Statements Line Items |  |
Beginning balance | 104,492 |
Ending balance | 0 | 104,492
Accumulated depreciation [Member] |  |
Statements Line Items |  |
Beginning balance | (100,857) |
Ending balance | $ 0 | $ (100,857)

X
- Definition The amount of assets arising from the search for mineral resources, including minerals, oil, natural gas and similar non-regenerative resources after the entity has obtained legal rights to explore in a specific area, as well as the determination of the technical feasibility and commercial viability of extracting the mineral resource. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 6 -IssueDate 2022-03-24 -Paragraph 24 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=6&code=ifrs-tx-2022-en-r&anchor=para_24_b&doctype=Standard -URIDate 2022-03-24 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Represents amount of acquisitions through business combinations, assets arising from exploration for and evaluation of mineral resources. + References No definition available. + Details
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- Definition Additions + References No definition available. + Details
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- Definition Represents amount of currency translation adjustments to assets arising from exploration from and evaluation of mineral resources. + References No definition available. + Details
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- Definition Represents amount of deconsolidation of assets arising from exploration from and evaluation of mineral resources. + References No definition available. + Details
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Period Type: | duration

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- Definition Represents amount of impairment loss reversal of impairment loss assets arising from exploration and evaluation of mineral resources. + References No definition available. + Details
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Namespace Prefix: | or_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition Represents amount of other adjustments to assets arising from exploration from and evaluation of mineral resources. + References No definition available. + Details
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- Definition Statement [Line Items] + References No definition available. + Details
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- Details
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- Details
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