RELATED-PARTY TRANSACTIONS AND ARRANGEMENTS (Dispositions Fees) (Details) - Advisors - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Brokerage Commission Fee
Related Party Transaction [Line Items]
Commissions performance and other fees percent	50.00%		50.00%
Property sales commission
Related Party Transaction [Line Items]
Commissions performance and other fees percent	1.00%		1.00%
Related party transaction, expenses from transactions with related party	$ 0	$ 0	$ 0	$ 0
Property portfolio
Related Party Transaction [Line Items]
Commissions performance and other fees percent	6.00%		6.00%