CAPITALIZATION - Weighted Average Redemption Prices (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule of Capitalization, Equity [Line Items]
Stock redeemed, amount	$ 29,173,000	$ 8,475,000	$ 25,281,000
Class A
Schedule of Capitalization, Equity [Line Items]
Stock redeemed (in shares)	249,326	76,130	393,390
Stock redeemed, weighted average share price (in usd per share)	$ 17.14	$ 14.82	$ 14.17
Stock redeemed, amount	$ 4,263,000	$ 1,129,000	$ 5,574,000
Class I
Schedule of Capitalization, Equity [Line Items]
Stock redeemed (in shares)	1,162,582	417,883	1,164,337
Stock redeemed, weighted average share price (in usd per share)	$ 17.19	$ 15.10	$ 14.28
Stock redeemed, amount	$ 19,957,000	$ 6,308,000	$ 16,613,000
Class T
Schedule of Capitalization, Equity [Line Items]
Stock redeemed (in shares)	45,392	36,785	38,867
Stock redeemed, weighted average share price (in usd per share)	$ 17.34	$ 16.13	$ 14.17
Stock redeemed, amount	$ 786,000	$ 593,000	$ 550,000
Class D
Schedule of Capitalization, Equity [Line Items]
Stock redeemed (in shares)	183,675	15,038	176,101
Stock redeemed, weighted average share price (in usd per share)	$ 17.32	$ 15.76	$ 14.45
Stock redeemed, amount	$ 3,175,000	$ 232,000	$ 2,544,000
Class N
Schedule of Capitalization, Equity [Line Items]
Stock redeemed (in shares)	42,658	14,546	0
Stock redeemed, weighted average share price (in usd per share)	$ 17.27	$ 14.65	$ 0
Stock redeemed, amount	$ 737,000	$ 213,000	$ 0
Class M-I
Schedule of Capitalization, Equity [Line Items]
Stock redeemed (in shares)	0	0
Stock redeemed, weighted average share price (in usd per share)	$ 0	$ 0
Stock redeemed, amount	$ 0	$ 0
Class T2
Schedule of Capitalization, Equity [Line Items]
Stock redeemed (in shares)	14,972	0
Stock redeemed, weighted average share price (in usd per share)	$ 17.33	$ 0
Stock redeemed, amount	$ 255,000	$ 0