Lease Disclosures - Schedule of Income From Direct Financing Leases (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Leases [Abstract]
Interest income	$ 0.5	$ 0.8	$ 1.1	$ 1.8
Variable lease income	0.2	(0.0)	0.3	0.2
Total operating lease income	$ 0.7	$ 0.8	$ 1.4	$ 2.0