Summary of Significant Accounting Policies and Procedures (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Accounting Policies [Abstract]
Rental revenue reserves	$ 6.4	$ 0.4	$ 7.4	$ 1.0
Straight-line rent reserves	2.1	0.0	2.8	1.4
Total rental revenue reserves	$ 8.5	$ 0.4	$ 10.2	$ 2.4