XML 163 R104.htm IDEA: XBRL DOCUMENT
v3.20.1

Long-term debt - Disclosure of detailed information of long-term debt, activity (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure of detailed information about borrowings [line items] |  |
Balance - January 1 | $ 352,769 | $ 464,308
Increase in revolving credit facility | 19,772 | 0
Decrease in revolving credit facility | (30,000) | (123,475)
Amortization of transaction costs | 2,134 | 2,036
Accretion expense | 4,657 | 4,456
Foreign exchange revaluation impact | (290) | 5,444
Balance - December 31 | $ 349,042 | $ 352,769

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- Definition The amount of outstanding funds that the entity is obligated to repay. + 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
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- 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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Period Type: | duration

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- Definition Accretion expense + References No definition available. + Details
Name: | or_AccretionExpenseDebt
Namespace Prefix: | or_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Amortization of transaction costs + References No definition available. + Details
Name: | or_AmortizationOfTransactionCosts
Namespace Prefix: | or_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Represents amount of decrease in revolving credit facility. + References No definition available. + Details
Name: | or_DecreaseInRevolvingCreditFacility
Namespace Prefix: | or_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Foreign exchange revaluation impact + References No definition available. + Details
Name: | or_ForeignExchangeRevaluationImpact
Namespace Prefix: | or_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Represents amount of increase in revolving credit facility. + References No definition available. + Details
Name: | or_IncreaseInRevolvingCreditFacility
Namespace Prefix: | or_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration