XML 60 R29.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Note A - Summary of Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Notes Tables |
Composition of Loan Portfolio [Table Text Block ] |
|  | % of Total Loans |
|  | 201 7 |  |  | 201 6 |
Residential real estate loans |  |  | 40.19 | % |  |  | 38.92 | %
Commercial real estate loans |  |  | 27.74 | % |  |  | 29.12 | %
Consumer loans |  |  | 18.15 | % |  |  | 18.27 | %
Commercial and industrial loans |  |  | 13.92 | % |  |  | 13.69 | %
|  |  | 100.00 | % |  |  | 100.00 | %

X
- Definition Tabular disclosure of the composition of loan portfolio. + References No definition available. + Details
Name: | ovbc_CompositionOfLoanPortfolioTableTextBlock
Namespace Prefix: | ovbc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration