Stockholders' Equity (Details) $ / shares in Units, $ in Millions															1 Months Ended	2 Months Ended	3 Months Ended		6 Months Ended	12 Months Ended
	Aug. 11, 2023 $ / shares shares	Jun. 29, 2023 USD ($) shares	Mar. 03, 2023 shares	Feb. 17, 2023 $ / shares shares	Jul. 08, 2022 USD ($) shares	Jun. 01, 2022 shares	Feb. 24, 2022 $ / shares shares	Feb. 23, 2022 $ / shares shares	Oct. 19, 2021 USD ($) $ / shares shares	Aug. 23, 2021 $ / shares shares	Aug. 01, 2021 USD ($) shares	May 11, 2021 USD ($) shares	Feb. 22, 2021 $ / shares shares	Feb. 20, 2020	Feb. 29, 2020 $ / shares shares	Feb. 22, 2024 USD ($) shares	Mar. 31, 2023	Jun. 30, 2021 USD ($) note	Aug. 23, 2021 $ / shares shares	Dec. 31, 2023 USD ($) class $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) shares	Aug. 08, 2023 $ / shares shares	Jun. 30, 2023 USD ($)	Dec. 06, 2022 USD ($)	Dec. 31, 2020 shares
Class of Stock [Line Items]
Share issuance in connection with acquisitions | $																				$ 80.8		$ 1,039.6
Common stock, par value (in dollars per share) | $ / shares							$ 0.01	$ 0.01
Number of series of preferred stock | class																				2
Authorized amount under share repurchase program | $																								$ 750.0	$ 750.0
Share repurchases (in shares)																				5,438,221	17,561,288
Repurchases of common stock | $																				$ 149.8	$ 601.1
Average price paid per share of common stock repurchased (in dollars per share) | $ / shares																				$ 27.54	$ 34.23
Related Party
Class of Stock [Line Items]
Related party transaction number of agreements | note																		2
Principal | $																		$ 9.0
Related party transaction, rate																		2.25%
Subsequent event
Class of Stock [Line Items]
Share repurchases (in shares)																0
Share repurchase authorization | $																$ 749.5
Preferred Stock
Class of Stock [Line Items]
Stock issuance/offerings ( in shares)																						86
Preferred stock conversions (in shares)			227																	(581)	(194)	(194)
Preferred stock, shares outstanding (in shares)																				0	581	775				883
Warrant | Investment Agreement
Class of Stock [Line Items]
Common stock, par value (in dollars per share) | $ / shares																							$ 0.01
Warrant issued (in shares)																							31,800,000
Exchangeable Shares
Class of Stock [Line Items]
Common stock, par value (in dollars per share) | $ / shares																				$ 0.01	$ 0.01
Business combination, consideration transferred, equity interests issued and issuable (in shares)																					0
Common stock, shares authorized (in shares)																				768,441	768,441
Common stock, shares outstanding (in shares)																				560,267	620,019
Exchangeable Shares | Common Stock
Class of Stock [Line Items]
Stock issuance/offerings ( in shares)																				2,854		697,539
Common stock, shares outstanding (in shares)																				560,267	620,019	653,059				0
Series D Preferred Stock
Class of Stock [Line Items]
Stock issuance/offerings ( in shares)															883				43
Preferred stock, par value (in dollars per share) | $ / shares															$ 0.01					$ 0.01	$ 0.01
Convertible stock, conversion ratio														0.001
Preferred stock, conversion period															4 years
Preferred stock, percent to convert in each tranche															20.00%		30.00%
Preferred stock conversions (in shares)							151	43		43			151
Preferred stock, shares outstanding (in shares)	354																			0	581
Preferred stock, shares authorized (in shares)																				5,000	5,000
Common Stock
Class of Stock [Line Items]
Stock issuance/offerings ( in shares)							151,200	43,000		43,000			151,200
Convertible stock, conversion ratio															1
Common Stock | Barstool Sports, Inc
Class of Stock [Line Items]
Stock issuance/offerings ( in shares)						64,000
PENN Entertainment Shares
Class of Stock [Line Items]
Common stock, par value (in dollars per share) | $ / shares																				$ 0.01	$ 0.01
Common stock, shares authorized (in shares)																				400,000,000	400,000,000
Common stock, shares outstanding (in shares)																				151,552,694	152,903,708
PENN Entertainment Shares | Common Stock
Class of Stock [Line Items]
Shares issued from acquisition (in shares)																				2,442,809		12,561,127
Share issuance in connection with acquisitions | $																						$ 0.1
Common stock, par value (in dollars per share) | $ / shares	$ 0.01
Stock issuance/offerings ( in shares)																				4,055	68,055
Common stock, shares outstanding (in shares)																				151,552,694	152,903,708	169,561,883				155,700,834
Preferred stock conversions (in shares)	353,800		226,800																	580,600	194,200	194,200
Share repurchases (in shares)																				5,438,221	17,561,288
Series B Preferred Stock
Class of Stock [Line Items]
Preferred stock, par value (in dollars per share) | $ / shares																				$ 0.01	$ 0.01
Preferred stock, shares outstanding (in shares)																				0	0
Preferred stock, shares authorized (in shares)																				1,000,000	1,000,000
Series C Preferred Stock
Class of Stock [Line Items]
Preferred stock, par value (in dollars per share) | $ / shares																				$ 0.01	$ 0.01
Preferred stock, shares outstanding (in shares)																				0	0
Preferred stock, shares authorized (in shares)																				18,500	18,500
HitPoint Inc. And Lucky Point Inc.
Class of Stock [Line Items]
Shares issued from acquisition (in shares)		4,055			4,055							43,684
Share issuance in connection with acquisitions | $		$ 0.1			$ 0.2							$ 3.5
Business combination, consideration transferred, equity interests issued and issuable | $												$ 3.5
Sam Houston Race Park and Valley Race Park
Class of Stock [Line Items]
Shares issued from acquisition (in shares)											198,103
Business combination, consideration transferred, equity interests issued and issuable | $											$ 15.8
theScore
Class of Stock [Line Items]
Shares issued from acquisition (in shares)									12,319,340
Common stock, par value (in dollars per share) | $ / shares										$ 0.01			$ 0.01						$ 0.01
theScore | Exchangeable Shares
Class of Stock [Line Items]
Business combination, consideration transferred, equity interests issued and issuable | $									$ 1,000.0
Business combination, consideration transferred, equity interests issued and issuable (in shares)									0.2398
Business acquisition, equity interest Issued or issuable (in shares)									697,539
theScore | Common Stock
Class of Stock [Line Items]
Common stock, par value (in dollars per share) | $ / shares									$ 0.01
Business combination, consideration transferred, equity interests issued and issuable (in shares)									0.2398
Business acquisition, equity interest Issued or issuable (in shares)									12,319,340
Barstool Acquisition
Class of Stock [Line Items]
Common stock, par value (in dollars per share) | $ / shares				$ 0.01
Business acquisition, equity interest Issued or issuable (in shares)				2,442,809