Leases - Triple Net Leases (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Schedule of Leased Assets [Line Items]
Lease payments	$ 228.1	$ 222.6	$ 668.5	$ 645.4
Penn Master Lease
Schedule of Leased Assets [Line Items]
Lease payments	120.3	114.0	343.4	342.9
Rent credit utilized during the period	83.0		155.1
Pinnacle Master Lease
Schedule of Leased Assets [Line Items]
Lease payments	81.3	82.3	245.6	245.6
Rent credit utilized during the period	54.2		108.4
Meadows Lease
Schedule of Leased Assets [Line Items]
Lease payments	6.7	6.6	20.2	19.7
Rent credit utilized during the period	4.5		9.0
Margaritaville Lease
Schedule of Leased Assets [Line Items]
Lease payments	5.9	5.8	17.6	17.3
Greektown Lease
Schedule of Leased Assets [Line Items]
Lease payments	$ 13.9	$ 13.9	$ 41.7	$ 19.9