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v3.24.1

Warrants (Narrative) (Details) | 12 Months Ended
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Dec. 31, 2022 $ / shares shares
Statements Line Items |
Number of warrants expired during period | shares | 5,480,000
Exercise price of expired warrants | $ / shares | $ 36.5

X
- Definition Number of warrant expired during period. + References No definition available. + Details
Name: | or_NumberOfWarrantsExpiredDuringPeriod
Namespace Prefix: | or_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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 The weighted average exercise price of warrants expired during period. + References No definition available. + Details
Name: | or_WeightedAverageExercisePriceOfWarrantsExpiredDuringPeriod
Namespace Prefix: | or_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration