Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal), Net

No definition available.

Name:	orrf_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalNet
Namespace Prefix:	orrf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

Name:	us-gaap_AllowanceForLoanAndLeaseLossesRollForward
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

+ Details

Name:	us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph c
-Publisher SEC

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph a
-Subparagraph (1)
-Publisher SEC

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph a
-Subparagraph (3)
-Publisher SEC

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

+ Details

Name:	us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of increase in allowance for credit loss on financing receivable from recovery.

+ References

+ Details

Name:	us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of writeoff of financing receivable, charged against allowance for credit loss.

+ References

+ Details

Name:	us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease.

+ References

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of credit loss expense (reversal of expense) for financing receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(11))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1

+ Details

Name:	us-gaap_ProvisionForLoanLossesExpensed
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	srt_CumulativeEffectPeriodOfAdoptionAxis=srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_UnallocatedFinancingReceivablesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis=us-gaap_CommercialBorrowerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=orrf_AcquisitionAndDevelopmentPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=orrf_CommercialAndIndustrialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=orrf_MunicipalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis=us-gaap_ConsumerBorrowerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=orrf_InstallmentandOtherLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Activity in Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Jan. 01, 2023
Activity in allowance for loan losses
Balance, beginning of period	$ 29,165		$ 28,702
Balance, beginning of period		$ 28,364		$ 25,178
Impact of adopting ASC 326	29,864		29,864
Provision for credit losses	812	399	1,110	1,128
Provision for credit losses			1,233
Provision for loan losses		399	1,110	1,128
Charge-offs	(164)	(572)	(263)	(714)
Recoveries	51	192	192	368
Balance end of period	29,864		29,864
Balance, end of period		28,383		28,383
Cumulative Effect, Period of Adoption, Adjustment
Activity in allowance for loan losses
Balance, beginning of period				2,423
Impact of adopting ASC 326					$ 2,400
Unallocated
Activity in allowance for loan losses
Balance, beginning of period	0		0
Balance, beginning of period		0		245
Impact of adopting ASC 326	0		0
Provision for credit losses	0
Provision for credit losses			0
Provision for loan losses		0		0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Balance end of period	0		0
Balance, end of period		0		0
Unallocated \| Cumulative Effect, Period of Adoption, Adjustment
Activity in allowance for loan losses
Balance, beginning of period				(245)
Impact of adopting ASC 326
Commercial
Activity in allowance for loan losses
Balance, beginning of period	25,761		26,077
Balance, beginning of period		25,878		21,301
Impact of adopting ASC 326	26,650		26,650
Provision for credit losses	923
Provision for credit losses			538
Provision for loan losses		225		1,098
Charge-offs	(49)	(407)	(95)	(493)
Recoveries	15	88	130	138
Balance end of period	26,650		26,650
Balance, end of period		25,784		25,784
Commercial \| Cumulative Effect, Period of Adoption, Adjustment
Activity in allowance for loan losses
Balance, beginning of period				3,740
Impact of adopting ASC 326
Commercial \| Commercial Real Estate
Activity in allowance for loan losses
Balance, beginning of period	17,975		17,873
Balance, beginning of period		16,697		13,558
Impact of adopting ASC 326	18,203		18,203
Provision for credit losses	236
Provision for credit losses			314
Provision for loan losses		246		508
Charge-offs	(12)	(12)	(12)	(12)
Recoveries	4	65	28	85
Balance end of period	18,203		18,203
Balance, end of period		16,996		16,996
Commercial \| Commercial Real Estate \| Cumulative Effect, Period of Adoption, Adjustment
Activity in allowance for loan losses
Balance, beginning of period				2,857
Impact of adopting ASC 326
Commercial \| Acquisition and Development
Activity in allowance for loan losses
Balance, beginning of period	2,233		2,241
Balance, beginning of period		3,217		3,214
Impact of adopting ASC 326	2,634		2,634
Provision for credit losses	423
Provision for credit losses			414
Provision for loan losses		(451)		(236)
Charge-offs	(23)	0	(23)	0
Recoveries	1	1	2	3
Balance end of period	2,634		2,634
Balance, end of period		2,767		2,767
Commercial \| Acquisition and Development \| Cumulative Effect, Period of Adoption, Adjustment
Activity in allowance for loan losses
Balance, beginning of period				(214)
Impact of adopting ASC 326
Commercial \| Commercial and Industrial
Activity in allowance for loan losses
Balance, beginning of period	5,389		5,806
Balance, beginning of period		5,787		4,505
Impact of adopting ASC 326	5,652		5,652
Provision for credit losses	267
Provision for credit losses			(194)
Provision for loan losses		440		852
Charge-offs	(14)	(395)	(60)	(481)
Recoveries	10	22	100	50
Balance end of period	5,652		5,652
Balance, end of period		5,854		5,854
Commercial \| Commercial and Industrial \| Cumulative Effect, Period of Adoption, Adjustment
Activity in allowance for loan losses
Balance, beginning of period				928
Impact of adopting ASC 326
Commercial \| Municipal
Activity in allowance for loan losses
Balance, beginning of period	164		157
Balance, beginning of period		177		24
Impact of adopting ASC 326	161		161
Provision for credit losses	(3)
Provision for credit losses			4
Provision for loan losses		(10)		(26)
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Balance end of period	161		161
Balance, end of period		167		167
Commercial \| Municipal \| Cumulative Effect, Period of Adoption, Adjustment
Activity in allowance for loan losses
Balance, beginning of period				169
Impact of adopting ASC 326
Consumer
Activity in allowance for loan losses
Balance, beginning of period	3,404		2,625
Balance, beginning of period		2,486		3,632
Impact of adopting ASC 326	3,214		3,214
Provision for credit losses	(111)
Provision for credit losses			695
Provision for loan losses		174		30
Charge-offs	(115)	(165)	(168)	(221)
Recoveries	36	104	62	230
Balance end of period	3,214		3,214
Balance, end of period		2,599		2,599
Consumer \| Cumulative Effect, Period of Adoption, Adjustment
Activity in allowance for loan losses
Balance, beginning of period				(1,072)
Impact of adopting ASC 326
Consumer \| Residential Mortgage
Activity in allowance for loan losses
Balance, beginning of period	3,193		2,424
Balance, beginning of period		2,278		3,444
Impact of adopting ASC 326	3,023		3,023
Provision for credit losses	(126)
Provision for credit losses			637
Provision for loan losses		64		(76)
Charge-offs	(50)	(98)	(50)	(98)
Recoveries	6	63	12	158
Balance end of period	3,023		3,023
Balance, end of period		2,307		2,307
Consumer \| Residential Mortgage \| Cumulative Effect, Period of Adoption, Adjustment
Activity in allowance for loan losses
Balance, beginning of period				(1,121)
Impact of adopting ASC 326
Consumer \| Installment and Other
Activity in allowance for loan losses
Balance, beginning of period	211		201
Balance, beginning of period		208		188
Impact of adopting ASC 326	191		191
Provision for credit losses	15
Provision for credit losses			58
Provision for loan losses		110		106
Charge-offs	(65)	(67)	(118)	(123)
Recoveries	30	41	50	72
Balance end of period	$ 191		$ 191
Balance, end of period		$ 292		292
Consumer \| Installment and Other \| Cumulative Effect, Period of Adoption, Adjustment
Activity in allowance for loan losses
Balance, beginning of period				$ 49
Impact of adopting ASC 326