Leases - Variable Lease Expenses (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
General and administrative
Lessee, Lease, Cost [Line Items]
Total variable expenses	$ 4.3	$ 2.5
Penn Master Lease
Lessee, Lease, Cost [Line Items]
Total variable expenses	35.8	24.7	$ 32.5
Penn Master Lease | General and administrative
Lessee, Lease, Cost [Line Items]
Total variable expenses	18.7	12.9	16.4
Penn Master Lease | Interest expense, net
Lessee, Lease, Cost [Line Items]
Total variable expenses	$ 17.1	$ 11.8	$ 16.1