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Cash (Narrative) (Details) - CAD ($) $ in Thousands	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2021	Dec. 31, 2020
Disclosure Of Information For Cash [Line Items]
Cash	$ 90,548		$ 115,698	$ 302,524
Osisko Development Corp [Member]
Disclosure Of Information For Cash [Line Items]
Cash		$ 133,100	$ 33,407

X

- Definition

The amount of cash on hand and demand deposits. [Refer: Cash on hand]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2022-03-24
-Paragraph 45
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-URIDate 2022-03-24

+ Details

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Balance Type:	debit
Period Type:	instant

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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- Details

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