Lease Disclosures Future minimum payments to be received as lessor under noncancelable direct financing leases (Details) $ in Millions	Mar. 31, 2020 USD ($)
Leases [Abstract]
2020 (remaining nine months)	$ 10.8
2021	11.5
2022	8.2
2023	3.6
2024	1.3
Thereafter	2.4
Total minimum rents receivable	37.9
Less: unearned income	(6.7)
Total net investment in direct financing leases	31.3
Less: current portion	(10.8)
Long-term investment in direct financing leases	$ 20.5