Leases - Triple Net Leases (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Schedule of Leased Assets [Line Items]
Lease payments	$ 226.0	$ 223.8
Penn Master Lease
Schedule of Leased Assets [Line Items]
Lease payments	117.9	114.8
Pinnacle Master Lease
Schedule of Leased Assets [Line Items]
Lease payments	81.3	82.5
Meadows Lease
Schedule of Leased Assets [Line Items]
Lease payments	6.2	6.7
Margaritaville Lease
Schedule of Leased Assets [Line Items]
Lease payments	5.9	5.9
Greektown Lease
Schedule of Leased Assets [Line Items]
Lease payments	13.9	13.9
Morgantown Lease
Schedule of Leased Assets [Line Items]
Lease payments	$ 0.8	$ 0.0