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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Leases (Details) - lease	Mar. 31, 2023	Dec. 31, 2022
Accounting Policies [Abstract]
Finance leases	0	0

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- Definition

Lessee, Number Of Finance Leases

+ References

No definition available.

+ Details

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Namespace Prefix:	orrf_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

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- References

No definition available.

+ Details

Name:	us-gaap_AccountingPoliciesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
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