Asset Impairment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Indefinite-lived Intangible Assets [Line Items]
Impairment of intangible assets	$ 17.5	$ 0.0
Online Wagering
Indefinite-lived Intangible Assets [Line Items]
Impairment of intangible assets	2.5
Presque Isle Downs & Casino | Gaming
Indefinite-lived Intangible Assets [Line Items]
Impairment of intangible assets	12.5
Gaming Rights
Indefinite-lived Intangible Assets [Line Items]
Impairment of intangible assets	15.0
Trademarks
Indefinite-lived Intangible Assets [Line Items]
Impairment of intangible assets	$ 2.5