SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) segment	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Apr. 22, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Impairment of real estate investments	$ 0	$ 0
Maximum offering costs as percentage of gross proceeds from initial public offering	15.00%
Accrued trailing fee-estimated payable for future	$ 18,307	16,343
Percentage of taxable income required for REIT distribution	90.00%
Liabilities for uncertain tax positions	$ 0	$ 0	$ 0
Number of primary segments | segment	3
Industrial, Retail and Office Properties | Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Estimated useful life	5 years
Industrial, Retail and Office Properties | Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Estimated useful life	40 years
Residential
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Estimated useful life	27 years 6 months
Furniture and Equipment | Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Estimated useful life	5 years
Furniture and Equipment | Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Estimated useful life	7 years
RREEF America
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Maximum offering costs as percentage of gross proceeds from initial public offering	15.00%
Underwriting compensation for initial public offering as percent of gross offering proceeds	10.00%			10.00%
Common Class A
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Percentage of distribution fee	0.50%			0.50%
Percentage of dealer manager fee	0.55%			0.55%
Common Class T
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Underwriting compensation for initial public offering as percent of gross offering proceeds				8.50%
Percentage of distribution fee	1.00%			1.00%
Percentage of dealer manager fee				2.50%
Common Class I
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Percentage of dealer manager fee	0.55%			0.55%
Class T2
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Percentage of distribution fee	0.85%			0.85%
Percentage of dealer manager fee				0.50%
Common Class S
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Percentage of distribution fee	0.85%			0.85%