Significant Accounting Policies - Financing Obligations (Details) - USD ($) $ in Millions				12 Months Ended
	Oct. 01, 2020	Oct. 15, 2018	Nov. 01, 2013	Dec. 31, 2020
Penn Master Lease
Capital Leased Assets [Line Items]
Lease term			35 years
Discount rate			9.70%
Rent credit Utilized				$ 190.7
Pinnacle Master Lease
Capital Leased Assets [Line Items]
Discount rate		7.30%
Remaining lease term		32 years 6 months
Effective yield		9.60%
Rent credit Utilized				$ 135.5
Morgantown
Capital Leased Assets [Line Items]
Discount rate	11.40%
Remaining lease term	50 years
Rent credit Utilized	$ 30.0