| Document And Entity Information | Mar. 22, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Mar. 22, 2022 |
| Entity Registrant Name | BROAD STREET REALTY, INC. |
| Entity Central Index Key | 0000764897 |
| Entity Emerging Growth Company | false |
| Entity File Number | 001-09043 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 36-3361229 |
| Entity Address, Address Line One | 7250 Woodmont Ave, Suite 350 |
| Entity Address, City or Town | Bethesda |
| Entity Address, State or Province | MD |
| Entity Address, Postal Zip Code | 20814 |
| City Area Code | 301 |
| Local Phone Number | 828-1200 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | None |
| No Trading Symbol Flag | true |
| Security Exchange Name | NONE |
