Leases - Triple Net Leases (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Schedule of Leased Assets [Line Items]
Lease payments	$ 228.5	$ 228.1	$ 683.6	$ 668.5
Penn Master Lease
Schedule of Leased Assets [Line Items]
Lease payments	118.4	120.3	357.1	343.4
Rent credits utilized		83.0		155.1
Pinnacle Master Lease
Schedule of Leased Assets [Line Items]
Lease payments	82.4	81.3	245.8	245.6
Rent credits utilized		54.2		108.4
Perryville Lease
Schedule of Leased Assets [Line Items]
Lease payments	1.9	0.0	1.9	0.0
Meadows Lease
Schedule of Leased Assets [Line Items]
Lease payments	6.2	6.7	18.6	20.2
Rent credits utilized		4.5		9.0
Margaritaville Lease
Schedule of Leased Assets [Line Items]
Lease payments	5.9	5.9	17.6	17.6
Greektown Lease
Schedule of Leased Assets [Line Items]
Lease payments	12.9	13.9	40.3	41.7
Morgantown Lease
Schedule of Leased Assets [Line Items]
Lease payments	$ 0.8	$ 0.0	$ 2.3	$ 0.0