XML 93 R47.htm IDEA: XBRL DOCUMENT v2.4.0.8

Note 7 - Segment Information (Details) (Banking [Member])	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Banking [Member]
Note 7 - Segment Information (Details) [Line Items]
Percentage of Revenue	89.10%	90.10%

X

- Details

Name:	ovbc_Note7SegmentInformationDetailsLineItems
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