SUBSEQUENT EVENTS (Narrative) (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 26, 2020	Dec. 31, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Mar. 30, 2020	Mar. 27, 2020	Sep. 22, 2016	Jul. 14, 2014
Subsequent Event [Line Items]
Stock redeemed during period (in shares)			65,000	5,300	0
Redemptions of common stock			$ 560,257	$ 48,015
Remaining redemption requests, that were unfulfilled		228,000
Subsequent Event
Subsequent Event [Line Items]
Stock redeemed during period (in shares)	17,000
Redemptions of common stock	$ 142,000
Stock redeemed during period (in usd per share)	$ 8.60
Class A Common Stock
Subsequent Event [Line Items]
Net asset value per share (in dollars per share)		$ 8	$ 8	$ 8.60
Class T Common Stock
Subsequent Event [Line Items]
Net asset value per share (in dollars per share)		8	$ 8	$ 8.60
Distribution Reinvestment Plan
Subsequent Event [Line Items]
Share price (in dollars per share)								$ 9.10
Distribution Reinvestment Plan | Class A Common Stock | Subsequent Event
Subsequent Event [Line Items]
Share price (in dollars per share)						$ 7.60
Distribution Reinvestment Plan | Class T Common Stock | Subsequent Event
Subsequent Event [Line Items]
Share price (in dollars per share)						7.60
Common Stock
Subsequent Event [Line Items]
Share price (in dollars per share)									$ 25.00
Common Stock | Class A Common Stock
Subsequent Event [Line Items]
Stock redeemed during period (in shares)			15,814	5,335
Redemptions of common stock			$ 158	$ 53
Common Stock | Class T Common Stock
Subsequent Event [Line Items]
Stock redeemed during period (in shares)			49,081
Redemptions of common stock			$ 491
Common Stock | Distribution Reinvestment Plan | Class A Common Stock
Subsequent Event [Line Items]
Net asset value per share (in dollars per share)		7.60	$ 7.60
Common Stock | Distribution Reinvestment Plan | Class T Common Stock
Subsequent Event [Line Items]
Net asset value per share (in dollars per share)		$ 7.60	$ 7.60
Common Stock | Distribution Reinvestment Plan | Class T Common Stock | Subsequent Event
Subsequent Event [Line Items]
Share price (in dollars per share)							$ 7.60
Advisory Fees | Advisors
Subsequent Event [Line Items]
Reimbursement of related party expense threshold, percent of net income				25.00%
Expense exceeding the expense limit			$ 961,000
Minimum | Operating Expenses | Advisors
Subsequent Event [Line Items]
Reimbursement of related party expense threshold, percent of average invested assets		2.00%	2.00%
Reimbursement of related party expense threshold, percent of net income		25.00%	25.00%
Forecast | The Share Redemption Program | Common Stock
Subsequent Event [Line Items]
Net asset value per share (in dollars per share)						$ 7.60