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v2.4.0.6

Note 7 - Segment Information (Detail) (Banking [Member]) | 9 Months Ended
--- | ---
Sep. 30, 2012 | Sep. 30, 2011
Banking [Member] |  |
Percentage of Revenue | 91.00% | 91.50%

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | ovbc_PercentageOfRevenue
Namespace Prefix: | ovbc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration