| Cover | Feb. 18, 2021 |
| Cover [Abstract] | |
| Pre-commencement Issuer Tender Offer | false |
| Entity Address, Address Line One | 301 Virginia Avenue |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001277902 |
| Amendment Flag | false |
| Written Communications | false |
| Document Type | 8-K |
| Pre-commencement Tender Offer | false |
| Soliciting Material | false |
| Local Phone Number | 363-4800 |
| City Area Code | 304 |
| Entity Address, Postal Zip Code | 26554-2777 |
| Entity Address, State or Province | WV |
| Entity Address, City or Town | Fairmont |
| Entity Tax Identification Number | 20-0034461 |
| Entity File Number | 000-50567 |
| Entity Incorporation, State or Country Code | WV |
| Entity Registrant Name | MVB Financial Corp |
| Document Period End Date | Feb. 18, 2021 |
| Details | Feb. 18, 2021 |
| Cover [Abstract] | |
| Title of 12(b) Security | Common stock, $1.00 par value |
| Trading Symbol | MVBF |
| Security Exchange Name | NASDAQ |
