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Description of Business - Additional Information (Details) $ in Millions					3 Months Ended		12 Months Ended
	May 22, 2023	Apr. 25, 2023	Nov. 01, 2022 USD ($) venue	Sep. 26, 2022 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2023 USD ($) venue property state sportsbook	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Feb. 15, 2023 USD ($) a
Business Acquisition [Line Items]
Number of live and historical racing entertainment venues owned and operated \| venue							14
Number of states in which entity operates \| state							8
Number of casino gaming properties \| property							9
Number of retail sportbooks \| sportsbook							13
Stock split, conversion ratio	2	2
Non-cash impairment charge							$ 24.6	$ 38.3	$ 15.3
Number of additional HRM entertainment venues \| venue			5
Presque Isle Downs & Casino
Business Acquisition [Line Items]
Non-cash impairment charge					$ 24.5
Disposal Group, Held-for-sale, Not Discontinued Operations \| Arlington Heights Property
Business Acquisition [Line Items]
Area of land sold \| a										326
Aggregate consideration										$ 197.2
Live and Historical Racing
Business Acquisition [Line Items]
Number of states in which entity operates \| state							3
Non-cash impairment charge						$ 11.2
Ellis Park
Business Acquisition [Line Items]
Payments to acquire business				$ 79.0
P2E Transaction
Business Acquisition [Line Items]
Purchase price			$ 2,750.0
Number of HRM entertainment venues \| venue			6
Payments to acquire business			$ 2,835.9