XML 67 R97.htm IDEA: XBRL DOCUMENT
v3.20.1

Other investments - Disclosure of detailed information about other investments (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Other Investments [Line Items] |  |
Total | $ 67,886 | $ 109,603
Fair value through profit or loss (warrants) [Member] |  |
Other Investments [Line Items] |  |
Balance - January 1 | 3,348 | 8,092
Acquisitions | 1,085 | 3,093
Exercise | (1,055) | 0
Change in fair value | (1,089) | (7,837)
Deemed disposal | (589) | 0
Balance - December 31 | 1,700 | 3,348
Fair value through other comprehensive income (shares) [Member] |  |
Other Investments [Line Items] |  |
Balance - January 1 | 104,055 | 106,841
Acquisitions | 27,259 | 14,453
Transfer From Associates | 9,676 | 46,625
Change in fair value | 13,287 | (29,773)
Transfer to associates | 0 | (7,048)
Disposals - Share Repurchase | (90,546) | 0
Disposals | (6,322) | (27,043)
Balance - December 31 | 57,409 | 104,055
Amortized cost [Member] |  |
Other Investments [Line Items] |  |
Balance - January 1 | 2,200 | 200
Acquisitions | 8,778 | 2,000
Transfer to short-term investments | (2,200) | 0
Balance - December 31 | $ 8,778 | $ 2,200

X
- Definition The amount of investments other than investments accounted for using the equity method. [Refer: Investments accounted for using equity method] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of non-current financial assets that the entity does not separately disclose in the same statement or note. [Refer: Other financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 54 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_54_d&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_OtherNoncurrentFinancialAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Acquisitions + References No definition available. + Details
Name: | or_AcquisitionOfInvestment
Namespace Prefix: | or_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Change in fair value + References No definition available. + Details
Name: | or_ChangeInFairValue
Namespace Prefix: | or_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents amount of deemed disposals of investments. + References No definition available. + Details
Name: | or_DeemedDisposalOfInvestments
Namespace Prefix: | or_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents amount of disposals of investments. + References No definition available. + Details
Name: | or_DisposalsOfInvestments
Namespace Prefix: | or_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents amount of disposals of share repurchase. + References No definition available. + Details
Name: | or_DisposalsShareRepurchase
Namespace Prefix: | or_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Exercise of warrants + References No definition available. + Details
Name: | or_ExerciseOfWarrants
Namespace Prefix: | or_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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
Name: | or_OtherInvestmentsLineItems
Namespace Prefix: | or_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Transfer from associates. + References No definition available. + Details
Name: | or_TransferFromAssociates
Namespace Prefix: | or_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Transfer to associate. + References No definition available. + Details
Name: | or_TransferToAssociates
Namespace Prefix: | or_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents amount transfer to short-term investments. + References No definition available. + Details
Name: | or_TransferToShortTermInvestments
Namespace Prefix: | or_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_MeasurementAxis=or_FairValueThroughProfitOrLossMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MeasurementAxis=or_FairValueThroughOtherComprehensiveIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MeasurementAxis=or_AmortizedCostMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |