CAPITALIZATION Stock Issuance (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Class of Stock [Line Items]
Issuance of common stock	$ 7,720	$ 15,316	$ 14,195	$ 11,922	$ 23,087	$ 26,211
Class A Common Stock
Class of Stock [Line Items]
Issuance of common stock (shares)					76,535	246,300
Issuance of common stock					$ 1,126	$ 3,597
Class D Common Stock
Class of Stock [Line Items]
Issuance of common stock (shares)					0	176,101
Issuance of common stock					$ 0	$ 2,520
Class I Common Stock
Class of Stock [Line Items]
Issuance of common stock (shares)					1,459,308	1,240,364
Issuance of common stock					$ 21,011	$ 17,745
Class T Common Stock
Class of Stock [Line Items]
Issuance of common stock (shares)					62,478	156,506
Issuance of common stock					$ 950	$ 2,349
Class M-I Shares
Class of Stock [Line Items]
Issuance of common stock (shares)					0
Class S Common Stock
Class of Stock [Line Items]
Issuance of common stock (shares)					0
Class N Common Stock
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