RELATED PARTY ARRANGEMENTS - Dealer Manager Agreement and Reimbursement Limitations (Details) - USD ($) $ in Thousands	12 Months Ended			36 Months Ended	42 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2022	Jan. 08, 2020	Jun. 30, 2016	Apr. 22, 2020
Related Party Transaction [Line Items]
Accrued trailing fee, current	$ 171	$ 160		$ 171
Accrued trailing fee-estimated payable for future	18,307	16,343		$ 18,307
Upfront selling commissions and upfront dealer manager fees	$ 403	238
Maximum offering costs as percentage of gross proceeds from initial public offering	15.00%			15.00%
Payment of organization and offering costs	$ 5,371	5,045	$ 8,164
Payments of offering costs	3,788	2,731	$ 3,205
Four fiscal quarter total operating expense		10,625
DWS Distributors
Related Party Transaction [Line Items]
Reimbursable offering costs incurred by Dealer Manager	101	39
DWS Distributors | Reimbursable under the Dealer Manager Agreement
Related Party Transaction [Line Items]
Payable to related party	$ 22	$ 15		$ 22
RREEF America
Related Party Transaction [Line Items]
Maximum offering costs as percentage of gross proceeds from initial public offering	15.00%			15.00%
Underwriting Compensation for Public Offering as Percent of Gross Offering Proceeds	10.00%			10.00%			10.00%
Expenses to advisor not reimbursable, percentage of invested assets threshold exceeded by operating expenses	2.00%	2.00%
Expenses to advisor not reimbursable, percentage of net income excluding certain reductions threshold exceeded by operating expenses	25.00%	25.00%
Four fiscal quarter total operating expense	$ 6,011
IPO | RREEF America
Related Party Transaction [Line Items]
Accrued trailing fee-estimated payable for future	2,360			$ 2,360
Proceeds from common stock issuance, initial public offering						$ 102,831
Payment of organization and offering costs						$ 15,424
Follow-On Public Offering
Related Party Transaction [Line Items]
Accrued trailing fee-estimated payable for future	6,732			6,732
Payment of organization and offering costs					$ 16,861
Due to affiliate					$ 132,994
Second Follow-On Public Offering
Related Party Transaction [Line Items]
Accrued trailing fee-estimated payable for future	$ 9,215			9,215
Due to affiliate				133,799
Payments of offering costs				$ 14,270