CAPITALIZATION Stock Issuance (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Class of Stock [Line Items]
Issuance of common stock	$ 26,084	$ 48,024
Class A Shares
Class of Stock [Line Items]
Issuance of common stock (shares)	81,460	310,856
Issuance of common stock	$ 1,196	$ 4,551
Class D Shares
Class of Stock [Line Items]
Issuance of common stock (shares)	0	176,101
Issuance of common stock	$ 0	$ 2,520
Class I Shares
Class of Stock [Line Items]
Issuance of common stock (shares)	1,657,148	2,628,627
Issuance of common stock	$ 23,826	$ 37,777
Class T Shares
Class of Stock [Line Items]
Issuance of common stock (shares)	69,999	211,081
Issuance of common stock	$ 1,062	$ 3,176
Class M-I Shares
Class of Stock [Line Items]
Issuance of common stock (shares)	0
Class S Shares
Class of Stock [Line Items]
Issuance of common stock (shares)	0
Class N Shares
Class of Stock [Line Items]
Issuance of common stock (shares)	0
Class T2 Shares
Class of Stock [Line Items]
Issuance of common stock (shares)	0
Class Z Shares
Class of Stock [Line Items]
Issuance of common stock (shares)	0