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DERIVATIVE FINANCIAL INSTRUMENTS - Summary of Interest Rate Swap Components (Details) - Interest rate swaps | 12 Months Ended
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Dec. 31, 2020
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Weighted average pay rate | 0.77%
Weighted average receive rate | 0.09%
Weighted average maturity in years | 4 years 2 months 12 days

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- Definition Derivative Weighted Average Pay Rate + References No definition available. + Details
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Balance Type: | na
Period Type: | instant

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- Definition Derivative Weighted Average Rate Received + References No definition available. + Details
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Namespace Prefix: | orrf_
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Balance Type: | na
Period Type: | instant

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- Definition Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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