| Cover | Jul. 11, 2022 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jul. 11, 2022 |
| Entity File Number | 001-38719 |
| Entity Registrant Name | Medalist Diversified REIT, Inc. |
| Entity Central Index Key | 0001654595 |
| Entity Tax Identification Number | 47-5201540 |
| Entity Incorporation, State or Country Code | MD |
| Entity Address, Address Line One | 1051 E. Cary Street Suite 601 |
| Entity Address, Address Line Two | James Center Three |
| Entity Address, City or Town | Richmond |
| Entity Address, State or Province | VA |
| Entity Address, Postal Zip Code | 23219 |
| City Area Code | 804 |
| Local Phone Number | 344-4435 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Common Stock [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common Stock, $0.01 par value |
| Trading Symbol | MDRR |
| Security Exchange Name | NASDAQ |
| 8.0% Series A Cumulative Redeemable Preferred Stock, $0.01 par value | |
| Document Information [Line Items] | |
| Title of 12(b) Security | 8.0% Series A Cumulative Redeemable Preferred Stock, $0.01 par value |
| Trading Symbol | MDRRP |
| Security Exchange Name | NASDAQ |
