Components Of Rental Income - Schedule of Minimum Rents (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Minimum Rent
Straight-line rents	$ 1.9	$ 1.3	$ 5.0	$ 3.5
Amortization of above market leases
Minimum Rent
Amortization of above and below market leases	(1.4)	(0.8)	(3.3)	(2.6)
Amortization of below market leases
Minimum Rent
Amortization of above and below market leases	$ 2.0	$ 1.4	$ 5.2	$ 4.4