XML 58 R47.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Note 7 - Segment Information (Details Textual) | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Banking Segment, Percentage of Total Revenues | 88.27% | 87.70%

X
- Definition Represents the percentage of total revenues during the period attributable to the Banking segment. + References No definition available. + Details
Name: | ovbc_BankingSegmentPercentageOfTotalRevenues
Namespace Prefix: | ovbc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration