XML 13 R46.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Note 7 - Segment Information (Detail) (Banking [Member]) | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Banking [Member] |  |
Percentage of Revenue | 86.80% | 87.80%

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