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Loans and Allowance for Credit Losses, Impaired Loans (Details) - OREO [Member] $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($) Property	Dec. 31, 2023 USD ($) Property
Collateral Dependent Loans [Abstract]
Number of other real estate owned | Property	0	68
Mortgage loans in process of foreclosure | $	$ 342	$ 348

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- References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	ovbc_
Data Type:	xbrli:integerItemType
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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 35
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-35

+ Details

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Period Type:	instant

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- Details

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