Intangible Assets, Net and Other Long Term Assets - Additional Information (Details) $ in Thousands, shares in Millions	1 Months Ended		3 Months Ended	12 Months Ended
	Jan. 31, 2019 shares	Sep. 30, 2018	Mar. 31, 2018 USD ($)	Dec. 31, 2019 USD ($) a	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Jan. 31, 2018 USD ($)
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Impairment charges				$ 958	$ 13,602	$ 38,016
Contractual term maturity				40 years
Area of real property leased | a				20
Pre-payment of lease rent					20,198
Pennsylvania
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Impairment charges				$ 1,000
Indiana | Tropicana Evansville
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Area of real property leased | a				10
Pre-payment of lease rent							$ 25,000
Future lease rent payment period				120 months
Lease expiration date				Nov. 30, 2027
William Hill PLC
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Agreement period		25 years
Agreement effective month and year	2019-01
Equity stake value in ordinary shares | shares	13.4
William Hill PLC | Other Assets, Net
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Fair value, total				$ 29,300
Unrealized loss				2,000
Vicksburg's | Churchill Downs Incorporated
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Impairment charges			$ 9,800	9,800	9,800
Trade Names and Loyalty Program
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Amortization expense				30,300	$ 12,700	$ 5,100
2020				27,300
2021				21,200
2022				$ 4,200