RELATED PARTY ARRANGEMENTS - Narrative (Details) - RREEF America	12 Months Ended
	Dec. 31, 2022 component $ / shares
Related Party Transaction [Line Items]
Term of agreements	1 year
Number of components | component	2
Daily advisory fee accrued as percentage of fixed component of investment	0.00274%
Percentage of advisory fee to NAV	1.00%
Performance fee to advisor, net asset value per share, threshold to which no fee earned on increase (in dollars per share) | $ / shares	$ 12.00
Class A, Class I, Class T, Class D, Class N and Class Z Shares
Related Party Transaction [Line Items]
Performance fee to advisor, percentage return per share threshold	6.00%
Performance fee to advisor, limit as percent of excess total return	10.00%
Performance fee to advisor as percent of excess total return	25.00%
Class M-I, Class S and Class T2
Related Party Transaction [Line Items]
Performance fee to advisor, alternative hurdle amount, percentage return per share threshold	5.00%
Performance fee to advisor, limit as percent of excess total return, alternative catch-up	12.50%
Performance fee to advisor as percent of alternative hurdle amount	100.00%
Performance fee to advisor, limit as percent of alternative excess catch-up	5.715%