Leases - Additional Information (Details) $ in Millions	May 01, 2020 USD ($)	Apr. 16, 2020 USD ($) extension_period	Feb. 01, 2020 USD ($)	Apr. 28, 2016 facility extension_period	Nov. 01, 2013 facility extension_period	Sep. 30, 2020 USD ($)
Schedule of Leased Assets [Line Items]
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]						penn:LeaseRightOfUseAsset
Operating lease, liability						$ 4,501.6
Tropicana Las Vegas
Schedule of Leased Assets [Line Items]
Operating lease, ROU assets		$ 61.6
Real estate sale, operating agreement term		2 years
Real estate sale, number of operating agreement extensions | extension_period		3
Real estate sale, operating agreement extension term		1 year
Penn Master Lease
Schedule of Leased Assets [Line Items]
Number of facilities with leased real estate | facility					19
Lease term					15 years
Number of options to extend lease | extension_period					4
Lease renewal term					5 years
Lease - expected term with renewal options					35 years
Adjusted 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%
Pinnacle Master Lease
Schedule of Leased Assets [Line Items]
Number of facilities with leased real estate | facility				12
Number of options to extend lease | extension_period				5
Lease renewal term				5 years
Lease - expected term with renewal options				32 years 6 months
Percentage rent baseline period				2 years
Remaining lease term				7 years 6 months
Initial lease term				10 years
Annual escalator percentage - up to				2.00%
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%
Annual rent reduction	$ 5.0
Operating lease, liability	14.9
Operating lease, ROU assets	$ 14.9
Margaritaville Lease
Schedule of Leased Assets [Line Items]
Operating lease, adjusted rent to revenue ratio			1.9
Operating lease, minimum revenue to rent ratio			6.1
Increase in fixed component of rent resulting from annual escalator			$ 0.3
Operating lease, annual escalator, additional ROU asset recognized			$ 3.1