XML 39 R24.htm IDEA: XBRL DOCUMENT v2.4.1.9
Note 2 - Fair Value of Financial Instruments (Details) - Level 3 Fair Value Measurements (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Market Approach Valuation Technique [Member] | Commercial Real Estate Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Impaired Loans [Member] | Minimum [Member]    
Commercial real estate:    
Adjustment to comparables 1.50%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 0.30%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember
Market Approach Valuation Technique [Member] | Commercial Real Estate Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Impaired Loans [Member] | Maximum [Member]    
Commercial real estate:    
Adjustment to comparables 62.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 62.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember
Market Approach Valuation Technique [Member] | Commercial Real Estate Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Impaired Loans [Member] | Weighted Average [Member]    
Commercial real estate:    
Adjustment to comparables 24.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 18.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember
Market Approach Valuation Technique [Member] | Commercial Real Estate Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Impaired Loans [Member]    
Commercial real estate:    
Fair value (in Dollars) 949us-gaap_AssetsFairValueDisclosureNonrecurring
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 1,679us-gaap_AssetsFairValueDisclosureNonrecurring
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember
Valuation technique Sales approach Sales approach
Fair value (in Dollars) 949us-gaap_AssetsFairValueDisclosureNonrecurring
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 1,679us-gaap_AssetsFairValueDisclosureNonrecurring
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember
Valuation technique Sales approach Sales approach
Market Approach Valuation Technique [Member] | Commercial Real Estate Nonowner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Impaired Loans [Member] | Minimum [Member]    
Commercial real estate:    
Adjustment to comparables 0.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateNonownerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 0.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateNonownerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember
Market Approach Valuation Technique [Member] | Commercial Real Estate Nonowner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Impaired Loans [Member] | Maximum [Member]    
Commercial real estate:    
Adjustment to comparables 12.50%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateNonownerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 12.50%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateNonownerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember
Market Approach Valuation Technique [Member] | Commercial Real Estate Nonowner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Impaired Loans [Member] | Weighted Average [Member]    
Commercial real estate:    
Adjustment to comparables 5.70%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateNonownerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 5.70%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateNonownerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember
Market Approach Valuation Technique [Member] | Commercial Real Estate Nonowner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Impaired Loans [Member]    
Commercial real estate:    
Fair value (in Dollars) 2,673us-gaap_AssetsFairValueDisclosureNonrecurring
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateNonownerOccupiedMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 2,673us-gaap_AssetsFairValueDisclosureNonrecurring
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateNonownerOccupiedMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember
Valuation technique Sales approach Sales approach
Fair value (in Dollars) 2,673us-gaap_AssetsFairValueDisclosureNonrecurring
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateNonownerOccupiedMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 2,673us-gaap_AssetsFairValueDisclosureNonrecurring
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateNonownerOccupiedMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember
Valuation technique Sales approach Sales approach
Market Approach Valuation Technique [Member] | Commercial and Industrial [Member] | Impaired Loans [Member] | Minimum [Member]    
Commercial real estate:    
Adjustment to comparables 10.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= ovbc_CommercialAndIndustrialMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 10.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= ovbc_CommercialAndIndustrialMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember
Market Approach Valuation Technique [Member] | Commercial and Industrial [Member] | Impaired Loans [Member] | Maximum [Member]    
Commercial real estate:    
Adjustment to comparables 30.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= ovbc_CommercialAndIndustrialMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 30.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= ovbc_CommercialAndIndustrialMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember
Market Approach Valuation Technique [Member] | Commercial and Industrial [Member] | Impaired Loans [Member] | Weighted Average [Member]    
Commercial real estate:    
Adjustment to comparables 18.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= ovbc_CommercialAndIndustrialMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 21.42%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= ovbc_CommercialAndIndustrialMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember
Market Approach Valuation Technique [Member] | Commercial and Industrial [Member] | Impaired Loans [Member]    
Commercial real estate:    
Fair value (in Dollars) 3,095us-gaap_AssetsFairValueDisclosureNonrecurring
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= ovbc_CommercialAndIndustrialMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 2,532us-gaap_AssetsFairValueDisclosureNonrecurring
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= ovbc_CommercialAndIndustrialMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember
Valuation technique Sales approach Sales approach
Fair value (in Dollars) 3,095us-gaap_AssetsFairValueDisclosureNonrecurring
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= ovbc_CommercialAndIndustrialMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 2,532us-gaap_AssetsFairValueDisclosureNonrecurring
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= ovbc_CommercialAndIndustrialMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember
Valuation technique Sales approach Sales approach
Market Approach Valuation Technique [Member] | Commercial Real Estate Construction Financing Receivable [Member] | Other Real Estate Owned [Member] | Minimum [Member]    
Commercial real estate:    
Adjustment to comparables 5.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_OtherRealEstateOwnedMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 5.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_OtherRealEstateOwnedMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember
Market Approach Valuation Technique [Member] | Commercial Real Estate Construction Financing Receivable [Member] | Other Real Estate Owned [Member] | Maximum [Member]    
Commercial real estate:    
Adjustment to comparables 35.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_OtherRealEstateOwnedMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 35.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_OtherRealEstateOwnedMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember
Market Approach Valuation Technique [Member] | Commercial Real Estate Construction Financing Receivable [Member] | Other Real Estate Owned [Member] | Weighted Average [Member]    
Commercial real estate:    
Adjustment to comparables 18.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_OtherRealEstateOwnedMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 18.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FairValueByAssetClassAxis
= ovbc_OtherRealEstateOwnedMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember
Market Approach Valuation Technique [Member] | Commercial Real Estate Construction Financing Receivable [Member] | Other Real Estate Owned [Member]    
Commercial real estate:    
Fair value (in Dollars) 1,147us-gaap_AssetsFairValueDisclosureNonrecurring
/ us-gaap_FairValueByAssetClassAxis
= ovbc_OtherRealEstateOwnedMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 1,147us-gaap_AssetsFairValueDisclosureNonrecurring
/ us-gaap_FairValueByAssetClassAxis
= ovbc_OtherRealEstateOwnedMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember
Valuation technique Sales approach Sales approach
Fair value (in Dollars) 1,147us-gaap_AssetsFairValueDisclosureNonrecurring
/ us-gaap_FairValueByAssetClassAxis
= ovbc_OtherRealEstateOwnedMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 1,147us-gaap_AssetsFairValueDisclosureNonrecurring
/ us-gaap_FairValueByAssetClassAxis
= ovbc_OtherRealEstateOwnedMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember
Valuation technique Sales approach Sales approach
Income Approach Valuation Technique [Member] | Commercial Real Estate Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Impaired Loans [Member] | Weighted Average [Member]    
Commercial real estate:    
Capitalization rate   10.00%us-gaap_FairValueInputsCapRate
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_IncomeApproachValuationTechniqueMember
Income Approach Valuation Technique [Member] | Commercial Real Estate Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Impaired Loans [Member]    
Commercial real estate:    
Valuation technique   Income approach
Valuation technique   Income approach
Capitalization rate   10.00%us-gaap_FairValueInputsCapRate
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_IncomeApproachValuationTechniqueMember
Income Approach Valuation Technique [Member] | Commercial Real Estate Nonowner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Impaired Loans [Member] | Weighted Average [Member]    
Commercial real estate:    
Capitalization rate 6.50%us-gaap_FairValueInputsCapRate
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateNonownerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_IncomeApproachValuationTechniqueMember		 6.50%us-gaap_FairValueInputsCapRate
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateNonownerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_IncomeApproachValuationTechniqueMember
Income Approach Valuation Technique [Member] | Commercial Real Estate Nonowner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Impaired Loans [Member]    
Commercial real estate:    
Fair value (in Dollars) 2,526us-gaap_AssetsFairValueDisclosureNonrecurring
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
= ovbc_CommercialRealEstateNonownerOccupiedMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_IncomeApproachValuationTechniqueMember		 2,597us-gaap_AssetsFairValueDisclosureNonrecurring
/ us-gaap_FairValueByAssetClassAxis
= ovbc_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_MortgageLoansOnRealEstateLoanTypeAxis
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/ us-gaap_ValuationTechniqueAxis
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Valuation technique Income approach Income approach
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Valuation technique Income approach Income approach
Capitalization rate 6.50%us-gaap_FairValueInputsCapRate
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