CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($) $ in Millions	Total	Cumulative Effect, Period of Adoption, Adjustment	Total Penn National Stock-holders’ Equity	Total Penn National Stock-holders’ Equity Cumulative Effect, Period of Adoption, Adjustment	Preferred Stock	Common Stock	Treasury Stock	Addi- tional Paid-In Capital	Retained Earnings (Accum-ulated Deficit)	Retained Earnings (Accum-ulated Deficit) Cumulative Effect, Period of Adoption, Adjustment	Non-Control- ling Interest
Beginning balance (in shares) at Dec. 31, 2019					0	115,958,259
Beginning balance at Dec. 31, 2019	$ 1,851.9	$ 0.6	$ 1,852.7	$ 0.6	$ 0.0	$ 1.2	$ (28.4)	$ 1,718.3	$ 161.6	$ 0.6	$ (0.8)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation arrangements (in shares)						2,310,164
Share-based compensation arrangements	32.7		32.7					32.7
Convertible debt offering	88.2		88.2					88.2
Barstool Sports investment (in shares)					883
Barstool Sports investment	23.1		23.1		$ 23.1
Share issuance (in shares)						19,166,667
Share issuance	331.2		331.2			$ 0.2		331.0
Net income (loss)	(823.0)		(822.5)						(822.5)		(0.5)
Other	0.2		0.2					0.2
Ending balance (in shares) at Jun. 30, 2020					883	137,435,090
Ending balance at Jun. 30, 2020	1,504.9		1,506.2		$ 23.1	$ 1.4	(28.4)	2,170.4	(660.3)		(1.3)
Beginning balance (in shares) at Mar. 31, 2020					883	116,793,722
Beginning balance at Mar. 31, 2020	1,277.6		1,278.4		$ 23.1	$ 1.2	(28.4)	1,728.9	(446.4)		(0.8)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation arrangements (in shares)						1,474,701
Share-based compensation arrangements	22.1		22.1					22.1
Convertible debt offering	88.2		88.2					88.2
Share issuance (in shares)						19,166,667
Share issuance	331.2		331.2			$ 0.2		331.0
Net income (loss)	(214.4)		(213.9)						(213.9)		(0.5)
Other	0.2		0.2					0.2
Ending balance (in shares) at Jun. 30, 2020					883	137,435,090
Ending balance at Jun. 30, 2020	1,504.9		1,506.2		$ 23.1	$ 1.4	(28.4)	2,170.4	(660.3)		(1.3)
Beginning balance (in shares) at Dec. 31, 2020					883	155,700,834
Beginning balance at Dec. 31, 2020	$ 2,655.8		2,656.2		$ 23.1	$ 1.6	(28.4)	3,167.2	(507.3)		(0.4)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share issuance (in shares)	151,200
Ending balance (in shares) at Mar. 31, 2021					775	156,330,141
Ending balance at Mar. 31, 2021	$ 2,755.8		2,756.3		$ 24.2	$ 1.6	(28.4)	3,175.2	(416.3)		(0.5)
Beginning balance (in shares) at Dec. 31, 2020					883	155,700,834
Beginning balance at Dec. 31, 2020	2,655.8		2,656.2		$ 23.1	$ 1.6	(28.4)	3,167.2	(507.3)		(0.4)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation arrangements (in shares)						891,155
Share-based compensation arrangements	13.4		13.4					13.4
Share issuance (in shares)					43	43,684
Share issuance	8.6		8.6		$ 5.1			3.5
Preferred Stock Conversion (in shares)					(151)	151,200
Preferred Stock Conversion	0.0				$ (4.0)			4.0
Net income (loss)	289.6		289.7						289.7		(0.1)
Other	(9.6)		(9.6)					(9.6)
Ending balance (in shares) at Jun. 30, 2021					775	156,786,873
Ending balance at Jun. 30, 2021	2,957.8		2,958.3		$ 24.2	$ 1.6	(28.4)	3,178.5	(217.6)		(0.5)
Beginning balance (in shares) at Mar. 31, 2021					775	156,330,141
Beginning balance at Mar. 31, 2021	2,755.8		2,756.3		$ 24.2	$ 1.6	(28.4)	3,175.2	(416.3)		(0.5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation arrangements (in shares)						413,048
Share-based compensation arrangements	9.4		9.4					9.4
Share issuance (in shares)						43,684
Share issuance	3.5		3.5					3.5
Net income (loss)	198.7		198.7						198.7
Other	(9.6)		(9.6)					(9.6)
Ending balance (in shares) at Jun. 30, 2021					775	156,786,873
Ending balance at Jun. 30, 2021	$ 2,957.8		$ 2,958.3		$ 24.2	$ 1.6	$ (28.4)	$ 3,178.5	$ (217.6)		$ (0.5)