REAL ESTATE INVESTMENTS Pro Forma (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Real Estate [Line Items]
Revenues	$ 7,895			$ 5,945			$ 24,178	$ 17,572
Net income (loss)	236	$ 1,265	$ (5,160)	551	$ (369)	$ 1,604	(3,659)	1,786
Class A Shares
Real Estate [Line Items]
Net income (loss)	56			162			(900)	580
Class I Shares
Real Estate [Line Items]
Net income (loss)	162			340			(2,479)	1,080
Class T Shares
Real Estate [Line Items]
Net income (loss)	15			39			(237)	117
Class D Shares
Real Estate [Line Items]
Net income (loss)	$ 3			10			$ (43)	9
Providence Square
Real Estate [Line Items]
Revenues				166				166
Net income (loss)				(34)				(34)
Revenues				6,843				20,599
Net income				$ 299				$ 961
Providence Square | Class A Shares
Real Estate [Line Items]
Basic and diluted net loss per share of common stock (in usd per share)				$ 0.02				$ 0.09
Providence Square | Class I Shares
Real Estate [Line Items]
Basic and diluted net loss per share of common stock (in usd per share)				0.02				0.08
Providence Square | Class T Shares
Real Estate [Line Items]
Basic and diluted net loss per share of common stock (in usd per share)				0.03				0.09
Providence Square | Class D Shares
Real Estate [Line Items]
Basic and diluted net loss per share of common stock (in usd per share)				$ 0.04				$ 0.07