XML 70 R59.htm IDEA: XBRL DOCUMENT
v3.7.0.1

FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK - MFP Program Recourse Exposure (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Mortgage Partnership Finance Program |  |  |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |  |
MPF program recourse loss recoveries | $ (35) | $ (59) | $ (26) | $ (112)

X
- Definition Other expenses estimating losses (recovery). + References No definition available. + Details
Name: | orrf_OtherExpensesEstimatingLossesRecovery
Namespace Prefix: | orrf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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
Name: | us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=orrf_MortgagePartnershipFinanceProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |