SUMMARY OF SIGNIFICANT ACOUNTING POLICIES (Details)	1 Months Ended	3 Months Ended				6 Months Ended	9 Months Ended		12 Months Ended
	Nov. 12, 2020	Sep. 30, 2020 USD ($) $ / shares shares	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Sep. 30, 2019 USD ($) $ / shares	Sep. 30, 2020 USD ($) shares	Sep. 30, 2020 USD ($) property $ / shares shares	Sep. 30, 2019 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) shares
Accounting Policies [Line Items]
Rental income from tenant reimbursements		$ 1,622,218			$ 1,328,373		$ 5,521,723	$ 3,514,836
Impairment of real estate investment properties		$ 0	$ 349,457	$ 9,157,068	$ 0		$ 9,506,525	$ 0
Number of impaired real estate properties | property							4
Potentially dilutive securities outstanding (in shares) | shares							0	0
Net loss per share, basic and diluted (in usd per share) | $ / shares		$ (0.04)			$ (0.06)		$ (2.17)	$ (0.20)
Restricted cash to fund property tax		$ 265,654				$ 265,654	$ 265,654		$ 113,362
Tenant reimbursements									$ 98,329
Percentage of share in property owned							72.70%		72.70%
Restricted cash		265,654				265,654	$ 265,654		$ 113,362
Goodwill impairment loss				33,267,143		0
Impairment of intangible assets (excluding goodwill)				$ 1,305,260		0
Lease concession receivable, CARES Act		$ 79,463				$ 79,463	$ 79,463
Subsequent Event
Accounting Policies [Line Items]
Percentage oo lease concession receivable collected, CARES Act	29.00%
Class M OP Units
Accounting Policies [Line Items]
Conversion ratio							0.2		0.2
Class P OP Units
Accounting Policies [Line Items]
Other ownership interests, units issued (in shares) | shares		56,029				56,029	56,029		56,029
Conversion ratio									0.2
Minimum
Accounting Policies [Line Items]
Intangible assets, estimated useful lives							3 years
Maximum
Accounting Policies [Line Items]
Intangible assets, estimated useful lives							5 years
Common Class C
Accounting Policies [Line Items]
Conversion ratio							1		1
Net loss per share, basic and diluted (in usd per share) | $ / shares		$ (0.04)			(0.06)		$ (2.17)	(0.20)
Common Class S
Accounting Policies [Line Items]
Net loss per share, basic and diluted (in usd per share) | $ / shares		$ (0.04)			$ (0.03)		$ (2.17)	$ (0.20)
Lease Agreements
Accounting Policies [Line Items]
Restricted cash		$ 92,684				$ 92,684	$ 92,684		$ 92,684
BrixInvest | Class M OP Units
Accounting Policies [Line Items]
Other ownership interests, units issued (in shares) | shares		657,949.5				657,949.5	657,949.5		657,949.5
BrixInvest | Class P OP Units
Accounting Policies [Line Items]
Other ownership interests, units issued (in shares) | shares									26,318
Lender Reserves
Accounting Policies [Line Items]
Restricted cash to fund property tax		$ 172,970				$ 172,970	$ 172,970		$ 20,678