The percentage of unsecured loans within loan portfolio.

No definition available.

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- Definition

Minimum loan balance for impaired loans on nonaccrual status or nonperforming in nature.

+ References

No definition available.

+ Details

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Namespace Prefix:	ovbc_
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Balance Type:	debit
Period Type:	instant

- Definition

Represents the number of other real estate owned by the entity.

+ References

No definition available.

+ Details

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- Definition

Amount of deferred fee paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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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

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of interest income on financing receivable on nonaccrual status.

+ References

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-SubTopic 20
-Name Accounting Standards Codification
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of unamortized purchase premium (discount) on financing receivable. Excludes financing receivable covered under loss sharing agreement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

+ References

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-SubTopic 10
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Period Type:	instant

- Details

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Namespace Prefix:
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Period Type:

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LOANS AND ALLOWANCE FOR CREDIT LOSSES (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) Property	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($) Property
LOANS AND ALLOWANCE FOR CREDIT LOSSES [Abstract]
Deferred loan origination fees, net	$ 596		$ 596		$ 357
Unaccreted loan purchase discounts, net	897		897		$ 833
Nonaccrual, interest income	$ 69	$ 28	$ 77	$ 46
Percentage of unsecured loans	3.47%		3.47%		3.73%
CARES Act [Member]
LOANS AND ALLOWANCE FOR CREDIT LOSSES [Abstract]
Aggregate borrowing amount	$ 1,000		$ 1,000
Residential Real Estate [Member]
LOANS AND ALLOWANCE FOR CREDIT LOSSES [Abstract]
Number of other real estate owned (in Property) \| Property			0		0
Mortgage loans in process of foreclosure	$ 784		$ 784		$ 788