Leases - Additional Information (Details) $ in Millions												12 Months Ended
	Feb. 01, 2020	Nov. 01, 2019 USD ($)	Oct. 01, 2019 USD ($)	May 23, 2019 USD ($) renewal_option	May 01, 2019 USD ($)	Jan. 01, 2019 renewal_option	Nov. 01, 2018 USD ($)	Nov. 01, 2017 USD ($)	Sep. 09, 2016 USD ($) extension_period	Apr. 28, 2016 facility extension_period	Nov. 01, 2013 facility extension_period	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Schedule of Leased Assets [Line Items]
Rent expense													$ 58.1	$ 45.4
Lease payments												$ 869.8	537.4	455.4
Lease income												$ 311.0	$ 163.6	$ 129.9
Penn Master Lease
Schedule of Leased Assets [Line Items]
Number of facilities with leased real estate | facility											19
Lease term											15 years
Number of lease renewal terms | extension_period											4
Lease renewal term											5 years
Lease - expected term with renewal options											35 years
Annual escalator percentage											2.00%
Adjusted revenue to rent ratio											1.8
Period over which fixed component is adjusted											5 years
Adjustment to fixed component as percentage of the average change to net revenues during the preceding five years											4.00%
Percentage rent baseline period											5 years
Adjustment to fixed component as percentage of the average change to net revenues during preceding month											20.00%
Increase in fixed component of rent resulting from annual escalator		$ 5.5					$ 5.4	$ 2.4
Annual rent reduction resulting from Penn Percentage Rent reset							$ 11.3
Operating lease, annual escalator, additional ROU asset recognized		34.4
Operating lease, annual escalator, additional lease liability recognized		34.4
Finance lease, annual escalator, additional ROU asset recognized		3.1
Finance lease, annual escalator, additional lease liability recognized		$ 3.1
Operating lease, competition clause, additional ROU asset recognized				$ 151.2
Operating lease, competition clause, additional lease liability recognized				$ 151.2
Pinnacle Master Lease
Schedule of Leased Assets [Line Items]
Number of facilities with leased real estate | facility										12
Number of lease renewal terms | extension_period										5
Lease renewal term										5 years
Lease - expected term with renewal options										32 years 6 months
Annual escalator percentage										2.00%
Percentage rent baseline period										2 years
Increase in fixed component of rent resulting from annual escalator					$ 1.0
Operating lease, annual escalator, additional ROU asset recognized					3.8
Operating lease, annual escalator, additional lease liability recognized					$ 3.8
Remaining lease term										7 years 6 months
Initial lease term										10 years
Adjusted Revenue to Rent Ratio, as defined										1.8
Percentage rent escalation interval										2 years
Percentage of average net revenues during preceding two years										4.00%
Meadows Lease
Schedule of Leased Assets [Line Items]
Annual escalator percentage									5.00%
Increase in fixed component of rent resulting from annual escalator			$ 0.8
Operating lease, annual escalator, additional ROU asset recognized			4.3
Operating lease, annual escalator, additional lease liability recognized			$ 4.3
Operating lease, remaining lease term						8 years
Operating lease, term									10 years
Operating lease, sum of Base Rant and Percentage Rent threshold									$ 31.0
Operating lease, annual escalator after initial term or threshold									2.00%
Operating lease, adjusted rent to revenue ratio									2.0
Operating lease, percentage of average annual net revenues during the preceding two years									4.00%
Meadows Lease | Lease renewal option one
Schedule of Leased Assets [Line Items]
Lease renewal term									5 years
Operating lease, number of lease renewal terms | extension_period									3
Meadows Lease | Lease renewal option two
Schedule of Leased Assets [Line Items]
Lease renewal term									4 years
Operating lease, number of lease renewal terms | extension_period									1
Margaritaville Lease
Schedule of Leased Assets [Line Items]
Annual escalator percentage						2.00%
Lease renewal term						5 years
Operating lease, term						15 years
Operating lease, number of lease renewal terms | renewal_option						4
Operating lease, adjusted rent to revenue ratio						1.9
Operating lease, percentage of average annual net revenues during the preceding two years						4.00%
Greektown Lease
Schedule of Leased Assets [Line Items]
Annual escalator percentage				2.00%
Lease renewal term				5 years
Operating lease, term				15 years
Operating lease, number of lease renewal terms | renewal_option				4
Operating lease, adjusted rent to revenue ratio				1.85
Operating lease, percentage of average annual net revenues during the preceding two years				4.00%
Subsequent event | Margaritaville Lease
Schedule of Leased Assets [Line Items]
Annual escalator percentage	2.00%
Operating lease, adjusted rent to revenue ratio	6.1