Long-term Debt - Other Long-term Obligations (Details)	1 Months Ended	3 Months Ended	12 Months Ended
	Jan. 31, 2015 USD ($)	Sep. 30, 2014 USD ($) payment	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Debt Instrument [Line Items]
Long-term debt			$ 2,419,000,000.0	$ 2,453,400,000
Other long-term obligations
Debt Instrument [Line Items]
Long-term debt			89,200,000	104,600,000
Other long-term obligations | Ohio relocation fees debt
Debt Instrument [Line Items]
Long-term debt			76,400,000	91,300,000
Debt principal amount		$ 75,000,000.0
Amount payable upon opening of the facility		$ 7,500,000
Number of semi-annual payments | payment		18
Amount of semi-annual payments due beginning one year from commencement of operations		$ 4,800,000
Effective yield		5.00%
Interest expense			4,100,000	4,800,000	$ 5,500,000
Other long-term obligations | Ohio relocation fees debt | Discount rate
Debt Instrument [Line Items]
Discount rate		0.050
Other long-term obligations | Event center debt
Debt Instrument [Line Items]
Long-term debt			12,600,000	13,200,000
Debt principal amount	$ 15,300,000
Effective yield	3.00%
Interest expense			$ 400,000	$ 400,000	$ 400,000
Periodic payment amount	$ 1,000,000.0
Debt term	20 years