Intangible Assets, Net and Other Long Term Assets - Additional Information (Details) $ in Thousands, shares in Millions	1 Months Ended			3 Months Ended
	Jan. 31, 2019 shares	Nov. 30, 2018 USD ($) shares	Sep. 30, 2018	Mar. 31, 2019 USD ($) a	Mar. 31, 2018 USD ($)	Dec. 31, 2018 USD ($)	Jan. 31, 2018 USD ($)
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Impairment charges				$ 958	$ 9,815
Contractual term maturity				40 years
Area of real property leased | a				20
Pre-payment of lease rent				$ 164		$ 20,198
TSG
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Agreement period		20 years
Number of common shares received under agreement | shares		1.1
Additional value of common shares receivable under agreement upon exercise of first option by TSG		$ 5,000
Number of initial common shares received under agreement restricted | shares		1.1
Restriction expiration month and year on transfer that may not be sold		2019-11
Recognized revenue				400
TSG | Restricted Cash and Investments
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Fair value, total				17,300
TSG | Other Long Term Liabilities
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Deferred revenue				18,200
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
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Agreement period			25 years
Equity stake value in ordinary shares | shares	13.4
William Hill | TSG | Restricted Cash and Investments
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Net of liability				$ 8,700
William Hill PLC
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Agreement period			25 years
Recognized revenue				200
Agreement effective month and year	2019-01
Equity stake value in ordinary shares | shares	13.4
Unrealized loss				2,800
William Hill PLC | Other Assets, Net
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Fair value, total				24,400
Unrealized loss				2,800
Vicksburg's | Churchill Downs Incorporated
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Impairment charges				9,800
Player Loyalty Program
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Amortization expense				7,600	$ 1,600
Remainder of 2019				23,000
2020				27,400
2021				21,200
2022				$ 4,200