INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Battery Point Series A-3 Preferred Units) (Details) - USD ($) $ / shares in Units, $ in Millions	Mar. 20, 2019	Mar. 31, 2019
Series A-3 Preferred Units | Battery Point Holdings
Schedule of Equity Method Investments [Line Items]
Obligation to use percent of net proceeds for future equity capital raising	20.00%
Point Trust LLC
Schedule of Equity Method Investments [Line Items]
Redemptions of common stock (in shares)	13,000
Redemptions of common stock (in dollars per shares)	$ 1,000
Investment acquired (in shares)	210,000
Investment acquired (in dollars per shares)	$ 25
Point Trust LLC | Series B Preferred Units
Schedule of Equity Method Investments [Line Items]
Redemptions of common stock (in shares)	13,000
Redemptions of common stock (in dollars per shares)	$ 1,000
Aggregate principal balance	$ 13.0
Principal paydown	7.7
Point Trust LLC | Series A-3 Preferred Units
Schedule of Equity Method Investments [Line Items]
Investments	$ 5.3	$ 3.0
Dividends, annual rate	7.50%
Point Trust LLC | Series A-3 Preferred Units | Not Redeemed by February 28, 2020
Schedule of Equity Method Investments [Line Items]
Dividends, annual rate	10.00%
Point Trust LLC | Series A-3 Preferred Units | Not Redeemed by February 28, 2021
Schedule of Equity Method Investments [Line Items]
Dividends, annual rate	11.00%