XML 67 R56.htm IDEA: XBRL DOCUMENT v3.7.0.1

FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Fair Value Disclosures [Abstract]
Reserve for off-balance sheet credit exposures	$ 689		$ 784
Amount expensed to (recovered from) calculation of reserves based on historical loss experience	(95)	$ 47
Mortgage Partnership Finance Program
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Sum of total loans sold under the MPF Program	34,054		35,678
Limited recourse debt	1,029		$ 1,029
Other expenses, loss (recovery) estimate	$ 9	$ (52)

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 (recovery).

+ 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:	instant

X

- References

No definition available.

+ Details

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