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Note 8 - Subordinated Debentures and Trust Preferred Securities (Details) (USD $) In Thousands, unless otherwise specified | 0 Months Ended | 1 Months Ended | 0 Months Ended |  |
--- | --- | --- | --- | --- | ---
Mar. 07, 2013 | Mar. 22, 2007 | Sep. 07, 2000 | Dec. 31, 2014 | Dec. 31, 2013
Note 8 - Subordinated Debentures and Trust Preferred Securities (Details) [Line Items] |  |  |  |  |
Proceeds from Issuance of Trust Preferred Securities (in Dollars) |  | $ 8,500 us-gaap_ProceedsFromIssuanceOfTrustPreferredSecurities | $ 5,000 us-gaap_ProceedsFromIssuanceOfTrustPreferredSecurities |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 6.58%us-gaap_DebtInstrumentInterestRateStatedPercentage | 10.60%us-gaap_DebtInstrumentInterestRateStatedPercentage | 1.92%us-gaap_DebtInstrumentInterestRateStatedPercentage | 1.92%us-gaap_DebtInstrumentInterestRateStatedPercentage
Callable Premium at Issuance |  |  | 105.30%ovbc_CallablePremiumAtIssuance |  |
Annual Decrease in Callable Premium |  |  | 0.53%ovbc_AnnualDecreaseInCallablePremium |  |
Redemption of Subordinated Debentures, Percent of Total Amount | 104.24%ovbc_RedemptionOfSubordinatedDebenturesPercentOfTotalAmount |  |  |  |
London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |
Note 8 - Subordinated Debentures and Trust Preferred Securities (Details) [Line Items] |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.68%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |

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- Definition Annual decrease in callable premium. + References No definition available. + Details
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- Definition Callable premium at issuance + References No definition available. + Details
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- Details
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- Definition Percent of total amount in redemption + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The cash inflow from issuance of preferred stocks by a business trust or other special purpose entity, mainly established by a bank holding entity, to third party investors. The trust's assets are deeply subordinated debentures of the bank holding entity. Most trust preferred securities are subject to a mandatory redemption upon the repayment of the debentures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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