| Document and Entity Information | Jan. 22, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jan. 22, 2021 |
| Entity Registrant Name | VIRGINIA NATIONAL BANKSHARES CORPORATION |
| Entity Central Index Key | 0001572334 |
| Entity Emerging Growth Company | false |
| Entity File Number | 000-55117 |
| Entity Incorporation, State or Country Code | VA |
| Entity Tax Identification Number | 46-2331578 |
| Entity Address, Address Line One | 404 People Place |
| Entity Address, City or Town | Charlottesville |
| Entity Address, State or Province | VA |
| Entity Address, Postal Zip Code | 22911 |
| City Area Code | (434) |
| Local Phone Number | 817-8621 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
