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v3.25.1

CONTINGENCIES (Details) $ in Thousands | Dec. 31, 2024 USD ($) | Mar. 31, 2025 claim
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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 plaintiffs | $ | $ 478 |

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