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Note 14 - Regulatory Matters (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2011
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Retained Earnings Available for Dividends | $ 6,427

X
- Definition Retained earnings available for dividends. + References No definition available. + Details
Name: | ovbc_RetainedEarningsAvailableForDividends
Namespace Prefix: | ovbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant