XML 79 R91.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Note P - Segment Information (Details) (Banking [Member]) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Banking [Member] |  |  |
Note P - Segment Information (Details) [Line Items] |  |  |
Percentage of Revenue | 90.50% | 91.20% | 91.80%

X
- Details
Name: | ovbc_NotePSegmentInformationDetailsLineItems
Namespace Prefix: | ovbc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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