XML 68 R57.htm IDEA: XBRL DOCUMENT
v3.4.0.3

FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Dec. 31, 2015
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |
Reserve for off-balance sheet credit exposures | $ 519 |  | $ 472
Amount expensed to (recovered from) calculation of reserves based on historical loss experience | 47 | $ (68) |
Mortgage Partnership Finance Program |  |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |
Sum of total loans sold under the MPF Program | 42,478 | 44,124 |
Limited recourse debt | 8,199 |  | $ 8,230
Other expenses, loss (recovery) estimate | $ (52) | $ 40 |

X
- Definition Concentration risk credit risk financial instrument maximum exposure charged to (recovered from) noninterest expense. + References No definition available. + Details
Name: | orrf_ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposureChargedToRecoveredFromNoninterestExpense
Namespace Prefix: | orrf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Concentration risk credit risk financial instrument maximum exposure liability. + References No definition available. + Details
Name: | orrf_ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposureLiability
Namespace Prefix: | orrf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Limited recourse debt. + References No definition available. + Details
Name: | orrf_LimitedRecourseDebt
Namespace Prefix: | orrf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Sum total of loans sold under the mortgage partnership finance program. + References No definition available. + Details
Name: | orrf_SumOfLoansSoldUnderMortgagePartnershipFinanceProgram
Namespace Prefix: | orrf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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: |