Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 18, 2020	Jun. 28, 2019
Cover [Abstract]
Entity Registrant Name	BROAD STREET REALTY, INC.
Entity Central Index Key	0000764897
Document Type	10-K
Document Period End Date	Dec. 31, 2019
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	No
Trading Symbol	N/A
Entity Filer Category	Non-accelerated Filer
Entity Public Float			$ 9,215,305
Entity Common Stock, Shares Outstanding		22,471,479
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Entity Shell Company	false
Entity Small Business	true
Entity Emerging Growth Company	false
Entity File Number	001-09043
Entity Tax Identification Number	36-3361229
Entity Address, Address Line One	7250 Woodmont Ave
Entity Address, Address Line Two	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
Entity Incorporation, State or Country Code	DE
Entity Interactive Data Current	No
Document Annual Report	true
Document Transition Report	false
Title of 12(b) Security	None
Security Exchange Name	NONE