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Note 14 - Regulatory Matters (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011
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