Fair Value Measurements - Narrative (Details)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023 USD ($) installment payment period	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) installment payment period	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Apr. 07, 2023 USD ($)	Jul. 01, 2021	Feb. 28, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	$ 8,600,000		$ 8,600,000		$ 17,100,000
Equity securities, unrealized loss	(11,600,000)	$ (10,800,000)	(8,500,000)	$ (66,400,000)
Hitpoint
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Installment amount of contingent consideration	$ 1,000,000		$ 1,000,000
Number of installments for contingent consideration | installment	3		3
Number of remaining achievement periods | period	1		1
Plainridge Park Casino
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Period of actual earnings used to calculate contingent consideration			10 years
Number of remaining annual payments | payment	2		2
Barstool Acquisition
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities associated with this indemnity			$ 70,000,000		0
Pinnacle Retama Partners, LLC | Other Assets | Local Government Bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment, at amortized cost					$ 6,700,000
Pinnacle Retama Partners, LLC | Other Assets | Retama Development Corporation
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Promissory notes	$ 7,900,000		$ 7,900,000
Retama Nominal Holder, LLC
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Ownership interest	1.00%		1.00%
Pinnacle Retama Partners, LLC
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Ownership interest by parent	75.50%		75.50%
Secured Convertible Notes | Debt Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate						12.00%
Debt securities, available-for-sale						$ 20,000,000
Senior Notes | 5.625% Notes due 2027
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate	5.625%		5.625%		5.625%
Senior Notes | 4.125% Notes due 2029
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate	4.125%		4.125%		4.125%		4.125%
Other Long-Term Obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Effective yield								27.00%