Long-term Debt - Senior Unsecured Notes (Narrative) (Details) - USD ($)			3 Months Ended			9 Months Ended
	Feb. 12, 2023	Jun. 28, 2022	Sep. 30, 2023	Jun. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Jan. 13, 2023	Dec. 31, 2022
Long-term debt
Early Repayment of Senior Debt	$ 507,500,000
Losses on debt extinguishment	$ 600,000		$ 0		$ 0	$ (556,000)	$ (2,189,000)
At The Market Program
Long-term debt
Issuance of common stock (in shares)			4,400,000	1,284,556		4,700,000
Proceeds from Issuance of Common Stock			$ 210,800,000	$ 64,600,000		$ 224,900,000
Bally's Master Lease- Lincoln
Long-term debt
Amount of rent available upon annual rent escalator		$ 58,800,000
Senior notes
Long-term debt
Long-term debt, gross			5,675,000,000			5,675,000,000
Senior Unsecured Notes 5.375 Percent Due 2023 [Member]
Long-term debt
Long-term debt, gross			$ 0			$ 0			$ 500,000,000
Debt instrument, interest rate, stated percentage			5.375%			5.375%		5.375%	5.375%
Debt Instrument, Face Amount			$ 500,000,000			$ 500,000,000		$ 500,000,000	$ 500,000,000