XML 89 R72.htm IDEA: XBRL DOCUMENT
v3.20.1

Cash (Narrative) (Details) $ in Thousands, $ in Millions | Dec. 31, 2019 CAD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 CAD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 CAD ($)
--- | --- | --- | --- | --- | ---
Disclosure Of Information For Cash [Line Items] |  |  |  |  |
Cash | $ 108,223 |  | $ 174,265 |  | $ 333,705
Cash held in USD [Member] |  |  |  |  |
Disclosure Of Information For Cash [Line Items] |  |  |  |  |
Cash | $ 95,500 | $ 73.5 | $ 71,900 | $ 52.7 |

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- 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 2018-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_45&doctype=Standard -URIDate 2018-03-16 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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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Namespace Prefix: | or_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | or_ComponentsOfCashAndCashEquivalentsAxis=or_CashHeldInUSDMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |