REAL ESTATE AND RELATED LEASE INTANGIBLES, NET - (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Real Estate [Abstract]
Gross intangible assets	$ 149.2		$ 149.2		$ 139.5
Accumulated amortization	43.7		43.7		32.7
Net intangible assets	105.5		105.5		106.8
Unamortized favorable/unfavorable lease intangibles	5.4		5.4		6.5
Adjustment against operating lease income for favorable/unfavorable leases	0.4	$ 0.4	1.0	$ 1.2
Unbilled rent receivables	1.5		1.5		5.0
Unencumbered real estates	$ 33.0		$ 33.0		$ 47.8