Fair Value Measurements - Narrative (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) anniversary payment	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Feb. 28, 2021	May 31, 2020	Jan. 19, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	$ 84,300,000	$ 143,100,000
Equity securities, FV-NI, unrealized loss	20,100,000
Holding gain on equity securities	(24,900,000)	$ 106,700,000
Impairment of promissory notes and bonds			$ 2,500,000
Impairment of goodwill and other intangible assets	0
HitPoint Inc. And Lucky Point Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Business Combination, Contingent Consideration Arrangements, Installment Amount	$ 1,000,000
Business Combination, Contingent Consideration, Number Of Anniversaries | anniversary	3
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	4
Notes Payable, Other Payables
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate				27.00%
5.625% Notes due 2027 | Senior notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate	5.625%	5.625%				5.625%
4.125% Notes due 2029 | Senior notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate	4.125%
2.75% Convertible Notes due 2026 | Convertible Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate	2.75%				2.75%
Pinnacle Retama Partners, LLC | Local government bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Bonds, at amortized cost		$ 6,700,000
Retama Development Corporation | Pinnacle Retama Partners, LLC
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Promissory notes	$ 15,100,000
Retama Nominal Holder, LLC
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Ownership interest	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%