EQUITY (Information of Share Transactions) (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Redemptions of common stock (in shares)			(3,408)	(4,676)
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balances (in shares)	182,042	147,292	169,665	143,041
Primary shares (in shares)	13,850	6,417	27,189	12,181
Distribution reinvestment plan (in shares)	829	744	1,655	1,467
Share-based compensation (in shares)	0	0	0	8
Redemptions of common stock (in shares)	(1,620)	(2,432)	(3,408)	(4,676)
Conversions (in shares)	0	0	0	0
Ending Balances (in shares)	195,101	152,021	195,101	152,021
Class T
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balances (in shares)			16,425
Ending Balances (in shares)	21,672		21,672
Class T | Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balances (in shares)	19,007	10,369	16,425	9,831
Primary shares (in shares)	2,634	1,378	5,189	1,916
Distribution reinvestment plan (in shares)	100	61	192	119
Share-based compensation (in shares)	0	0	0	0
Redemptions of common stock (in shares)	(30)	(56)	(33)	(99)
Conversions (in shares)	(39)	(60)	(101)	(75)
Ending Balances (in shares)	21,672	11,692	21,672	11,692
Class S
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balances (in shares)			35,757
Ending Balances (in shares)	46,163		46,163
Class S | Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balances (in shares)	40,489	26,443	35,757	23,516
Primary shares (in shares)	5,663	2,719	10,324	5,628
Distribution reinvestment plan (in shares)	200	147	393	282
Share-based compensation (in shares)	0	0	0	0
Redemptions of common stock (in shares)	(189)	(351)	(311)	(468)
Conversions (in shares)	0	0	0	0
Ending Balances (in shares)	46,163	28,958	46,163	28,958
Class D
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balances (in shares)			6,749
Ending Balances (in shares)	7,947		7,947
Class D | Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balances (in shares)	7,662	4,899	6,749	4,098
Primary shares (in shares)	388	640	1,493	1,456
Distribution reinvestment plan (in shares)	38	29	75	54
Share-based compensation (in shares)	0	0	0	0
Redemptions of common stock (in shares)	(141)	(59)	(370)	(99)
Conversions (in shares)	0	0	0	0
Ending Balances (in shares)	7,947	5,509	7,947	5,509
Class I
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balances (in shares)			54,406
Ending Balances (in shares)	64,741		64,741
Class I | Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balances (in shares)	59,433	46,169	54,406	44,723
Primary shares (in shares)	5,165	1,680	10,183	3,181
Distribution reinvestment plan (in shares)	305	277	607	542
Share-based compensation (in shares)	0	0	0	8
Redemptions of common stock (in shares)	(201)	(441)	(556)	(784)
Conversions (in shares)	39
Conversions (in shares)		60	101	75
Ending Balances (in shares)	64,741	47,745	64,741	47,745
Class E
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balances (in shares)			56,328
Ending Balances (in shares)	54,578		54,578
Class E | Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balances (in shares)	55,451	59,412	56,328	60,873
Primary shares (in shares)	0	0	0	0
Distribution reinvestment plan (in shares)	186	230	388	470
Share-based compensation (in shares)	0	0	0	0
Redemptions of common stock (in shares)	(1,059)	(1,525)	(2,138)	(3,226)
Conversions (in shares)	0	0	0	0
Ending Balances (in shares)	54,578	58,117	54,578	58,117