Investments in and Advances to Unconsolidated Affiliates (Details) $ / shares in Units, $ in Millions								1 Months Ended	3 Months Ended				6 Months Ended
	Jun. 01, 2022 shares	Feb. 24, 2022 $ / shares shares	Feb. 23, 2022 $ / shares shares	Oct. 01, 2021 USD ($)	Aug. 23, 2021 $ / shares shares	Feb. 22, 2021 $ / shares shares	Feb. 20, 2020 $ / shares shares	Feb. 29, 2020 USD ($) option $ / shares	Jun. 30, 2022 USD ($) $ / shares shares	Sep. 30, 2021	Jun. 30, 2021 USD ($)	Mar. 31, 2021 $ / shares	Jun. 30, 2022 USD ($) $ / shares shares	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($) $ / shares	Aug. 01, 2021
Schedule of Equity Method Investments [Line Items]
Common stock, par value (in dollars per share) | $ / shares		$ 0.01	$ 0.01		$ 0.01	$ 0.01
Return on investment from unconsolidated affiliates													$ 17.0	$ 13.4
Series D Preferred Stock
Schedule of Equity Method Investments [Line Items]
Stock issuance (Note 13) (in shares) | shares							883
Preferred stock, par value (in dollars per share) | $ / shares							$ 0.01		$ 0.01				$ 0.01		$ 0.01
Preferred stock, conversion ratio							0.001
Preferred stock, conversion period							4 years
Convertible preferred stock, shares issued upon conversion (in shares) | shares									51				51
Common Stock
Schedule of Equity Method Investments [Line Items]
Stock issuance (Note 13) (in shares) | shares		151,200	43,000		43,000	151,200
Preferred stock, conversion ratio							1
Barstool Sports, Inc
Schedule of Equity Method Investments [Line Items]
Ownership interest									36.00%				36.00%
Investment acquired, percent								36.00%
Investment acquired, percent, delayed basis								1.00%					1.00%
Common stock, par value (in dollars per share) | $ / shares								$ 0.0001	$ 0.0001			$ 0.0001	$ 0.0001
Investment purchase price				$ 325.0				$ 161.2
Investment purchase price, cash								135.0
Investment purchase price, equity								$ 23.1
Investment acquired, period after which ownership will increase								3 years
Investment acquired, ownership percentage following additional investment				50.00%				50.00%
Investment acquired, expected additional investment				$ 62.0				$ 62.0
Investment acquired, valuation of acquiree total common stock outstanding at time of acquisition				$ 450.0				$ 450.0
Investment acquired, period after which remaining shares of investment are callable								3 years
Investment acquired, fair market value at time of exercise, cap								$ 650.0
Investment acquired, multiplier of revenue to calculate floor at time of exercise				2.25				2.25
Equity method investment, ownership percentage									0.30%	0.30%		0.30%
Commercial agreement term								10 years
Commercial agreement number of renewals | option								3
Commercial agreement renewal term								10 years
Commercial agreement term with exercise of renewals								40 years
Customer list intangible asset									$ 0.4				$ 0.4		$ 0.8
Prepaid advertising									14.8				14.8		15.4
Prepaid advertising, long-term									13.6				13.6		14.2
Investment balance									$ 159.4				$ 159.4		162.5
Barstool Sports, Inc | Common Stock
Schedule of Equity Method Investments [Line Items]
Stock issuance (Note 13) (in shares) | shares	64,000
Kansas Entertainment
Schedule of Equity Method Investments [Line Items]
Ownership interest									50.00%				50.00%
Investment balance									$ 82.4				$ 82.4		$ 83.8
Return on investment from unconsolidated affiliates									$ 9.0		$ 7.9		$ 17.0	$ 13.4
Freehold Raceway
Schedule of Equity Method Investments [Line Items]
Ownership interest									50.00%				50.00%
MAXXAM
Schedule of Equity Method Investments [Line Items]
Ownership interest									50.00%				50.00%			50.00%