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CONTINGENCIES (Detail) $ in Thousands | 1 Months Ended |
--- | --- | ---
Apr. 30, 2020 USD ($) | Dec. 31, 2021 claim
Commitments and Contingencies Disclosure [Abstract] |  |
Number of legal proceedings that might have a material effect on the results of operations | claim |  | 0
Litigation settlement, amount awarded to other party | $ | $ 135 |

X
- Definition Number of legal proceedings that have material effect. + References No definition available. + Details
Name: | orrf_NumberOfLegalProceedingsThatHaveMaterialEffect
Namespace Prefix: | orrf_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount awarded to other party in judgment or settlement of litigation. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementAmountAwardedToOtherParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration