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Significant accounting policies (Tables) | 12 Months Ended
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Dec. 31, 2022
Significant Accounting Policies [Abstract] |
Disclosure of principal subsidiaries and their geographic location [Table Text Block] | As at December 31, 2022:
Entity | Jurisdiction | Participation | Functional currency
Osisko Bermuda Limited | Bermuda | 100% | United States dollar
Osisko Mining (USA) Inc. | Delaware | 100% | United States dollar
As at December 31, 2021: |  |  |
Entity | Jurisdiction | Participation | Functional currency
Osisko Bermuda Limited | Bermuda | 100% | United States dollar
Osisko Mining (USA) Inc. | Delaware | 100% | United States dollar
Osisko Development Corp. (i) | Québec | 75.1% | Canadian dollar
Disclosure of detailed Information about financial instruments [Table Text Block] |
Category |  | Financial instrument
Financial assets at amortized cost |  | Cash
|  | Notes and loans receivable Revenues receivable from royalty, stream and other interests Interest income receivable Amounts receivable from associates and other receivables Reclamation deposits (i)
Financial assets at fair value through profit or loss |  | Investments in derivatives and convertible debentures
Financial assets at fair value through other comprehensive income or loss |  | Investments in shares and equity instruments, other than in derivatives
Financial liabilities at amortized cost |  | Accounts payable and accrued liabilities Liability component of convertible debentures Borrowings under revolving credit facilities Equipment financings (i)
i) Related exclusively to Osisko Development, which was deconsolidated on September, 30, 2022 (Note 31).
Disclosure of detailed information about estimated useful life or depreciation rate [Table Text Block] |
Leasehold improvements | Lease term
Furniture and office equipment | 3-5 years
Right-of-use assets | Shorter of useful life and lease term

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