Stockholders' Equity (Details) $ / shares in Units, $ in Millions												1 Months Ended		3 Months Ended			12 Months Ended
	Feb. 01, 2022 USD ($)	Oct. 19, 2021 USD ($) shares	Aug. 01, 2021 USD ($) shares	May 11, 2021 USD ($) shares	Sep. 25, 2020 USD ($) $ / shares shares	Sep. 25, 2020 USD ($) $ / shares shares	Sep. 24, 2020 shares	May 19, 2020 USD ($) $ / shares shares	May 19, 2020 $ / shares shares	May 14, 2020 shares	Feb. 20, 2020 $ / shares shares	Feb. 24, 2022 USD ($) $ / shares shares	Feb. 29, 2020	Sep. 30, 2021 shares	Jun. 30, 2021 USD ($) agreement	Mar. 31, 2021 $ / shares shares	Dec. 31, 2021 USD ($) class $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares	Jun. 17, 2021 shares	Jun. 16, 2021 shares	Jan. 09, 2019 USD ($)
Class of Stock [Line Items]
Shares issued (in shares)					2,100,000	16,100,000	14,000,000	2,500,000	19,166,667	16,666,667
Shares issued, price (in dollars per share) | $ / shares					$ 61.00	$ 61.00		$ 18.00	$ 18.00
Gross proceeds from transaction | $						$ 982.1		$ 345.0
Proceeds from common stock offerings, net of discounts and fees | $					$ 957.6			331.2									$ 0.0	$ 1,288.8	$ 0.0
Payments of stock issuance costs | $					$ 24.5			$ 13.8
Share issuance in connection with acquisitions | $																	$ 1,039.6
Common stock, shares authorized (in shares)																				400,000,000	200,000,000
Stock repurchased during period (in shares)																	0	0
Stock issuance/offerings ( in shares)														43,000		151,200
Preferred stock, par value (in dollars per share) | $ / shares																	$ 0.01
Number of series of preferred stock | class																	2
Authorized amount under share repurchase program | $																						$ 200.0
Share repurchases (in shares)																			1,271,823
Repurchases of common stock | $																			$ 24.9
Average price paid per share of common stock repurchased (in dollars per share) | $ / shares																			$ 19.55
Note Payable Agreements | Shareholders
Class of Stock [Line Items]
Related party transaction number of agreements | agreement															2
Due from related parties | $															$ 9.0
Related party transaction, rate															2.25%
Subsequent event
Class of Stock [Line Items]
Authorized amount under share repurchase program | $	$ 750.0											$ 642.9
Share repurchases (in shares)												2,195,290
Repurchases of common stock | $												$ 107.1
Average price paid per share of common stock repurchased (in dollars per share) | $ / shares												$ 48.78
Share repurchase program, authorization period	3 years
Barstool Sports, Inc
Class of Stock [Line Items]
Stock issuance/offerings ( in shares)																	86
Ownership acquired																0.30%	0.60%
Equity method investment acquired, percentage of shares acquired on delayed basis													1.00%
HitPoint Inc. And Lucky Point Inc.
Class of Stock [Line Items]
Shares issued from acquisition (in shares)			198,103	43,684
Share issuance in connection with acquisitions | $				$ 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]
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
Preferred stock, par value (in dollars per share) | $ / shares																$ 0.01
Exchangeable stock, shares issued		697,539															697,539
Proceeds from issuance of exchangeable shares | $		$ 1,000.0
Exchangeable stock, shares outstanding																	653,059
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 authorized (in shares)																	1,000,000	1,000,000
Preferred stock, shares outstanding (in shares)																	0	0
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 authorized (in shares)																	18,500	18,500
Preferred stock, shares outstanding (in shares)																	0	0
Series D Preferred Stock
Class of Stock [Line Items]
Stock issuance/offerings ( in shares)											883			43		43
Preferred stock, par value (in dollars per share) | $ / shares											$ 0.01						$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)																	5,000	5,000
Preferred stock, shares outstanding (in shares)																	775	883
Preferred stock and Exchangeable share conversion (in shares)														43		151.2