REAL ESTATE (Details) $ in Millions			3 Months Ended	5 Months Ended	9 Months Ended
	Jul. 06, 2017 USD ($) ft²	Apr. 28, 2017 USD ($) unit	Sep. 30, 2017 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2017 USD ($)
Real Estate [Line Items]
Acquisition cost capitalized					$ 0.2
Pacific Ridge
Real Estate [Line Items]
Number of units in real estate property | unit		533
Purchase price consideration		$ 232.0
Acquisition cost capitalized				$ 0.1
Gateway Marketplace
Real Estate [Line Items]
Purchase price consideration	$ 42.0
Acquisition cost capitalized			$ 0.1
Area of real estate property | ft²	128,000