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CONTINGENCIES - Additional Information (Detail) | Jun. 30, 2015 Claim
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Commitments and Contingencies Disclosure [Abstract] |
Legal proceedings | 0

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- Definition Number of legal proceedings that have material effect. + 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
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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