Assets Held for Sale	9 Months Ended
	Sep. 30, 2021
Discontinued Operations and Disposal Groups [Abstract]
Assets Held for Sale	ASSETS HELD FOR SALEOn September 29, 2021, the Company announced an agreement to sell the 326-acre property in Arlington Heights, Illinois (the "Arlington Property"), which is the current home of Arlington International Racecourse ("Arlington"), to the Chicago Bears for $197.2 million. The closing of the sale of the Arlington Property is subject to the satisfaction of various closing conditions. The Company anticipates closing the sale of the Arlington Property in late 2022 or early 2023.The Company has classified certain assets of Arlington totaling $81.5 million as held for sale as of September 30, 2021, which are included in property and equipment, net on the accompanying condensed consolidated balance sheets. Arlington’s operations and assets are included in All Other in our consolidated results.