Leases - Triple Net Leases (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Schedule of Leased Assets [Line Items]
Lease payments	$ 229.1	$ 216.6	$ 455.1	$ 440.4
Penn Master Lease
Schedule of Leased Assets [Line Items]
Lease payments	120.7	108.3	238.7	223.1
Rent credits utilized		72.1		72.1
Pinnacle Master Lease
Schedule of Leased Assets [Line Items]
Lease payments	82.1	81.8	163.4	164.3
Rent credits utilized		54.2		54.2
Meadows Lease
Schedule of Leased Assets [Line Items]
Lease payments	6.2	6.7	12.4	13.5
Rent credits utilized		4.5		4.5
Margaritaville Lease
Schedule of Leased Assets [Line Items]
Lease payments	5.9	5.9	11.7	11.7
Greektown Lease
Schedule of Leased Assets [Line Items]
Lease payments	13.5	13.9	27.4	27.8
Morgantown Lease
Schedule of Leased Assets [Line Items]
Lease payments	$ 0.7	$ 0.0	$ 1.5	$ 0.0