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v3.22.0.1

Warrants (Narrative) (Details) | Dec. 31, 2021 Warrant $ / shares | Dec. 31, 2020 Warrant
--- | --- | ---
Statements Line Items |  |
Warrants outstanding | Warrant | 5,480,000 | 5,480,000
Exercise price of warrant | $ / shares | $ 36.50 |

X
- Definition Warrants outstanding + References No definition available. + Details
Name: | or_NumberOfWarrantsOutstanding
Namespace Prefix: | or_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Statement [Line Items] + References No definition available. + Details
Name: | or_StatementsLineItems
Namespace Prefix: | or_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Warrants outstanding, weighted average exercise price, beginning of period + References No definition available. + Details
Name: | or_WarrantsOutstandingWeightedAverageExercisePrice
Namespace Prefix: | or_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant