XML 82 R102.htm IDEA: XBRL DOCUMENT
v3.20.1

Note R - Segment Information (Details Textual) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Banking Segment, Percentage of Total Revenues | 94.20% | 92.90% | 92.70%

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