Long-term Debt - Other Long-term Obligations (Details) $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended
	Jan. 31, 2016 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) payment	Jun. 30, 2020 USD ($)	Feb. 28, 2021	Dec. 31, 2020 USD ($)	Jan. 31, 2015 USD ($)
Debt Instrument [Line Items]
Interest expense, debt		$ 5.6	$ 2.7	$ 11.2	$ 2.7
Principal		2,468.3		2,468.3			$ 2,431.6
Other Long-Term Obligations
Debt Instrument [Line Items]
Effective yield						27.00%
Interest expense, debt		3.7		5.2
Principal		$ 141.9		$ 141.9			73.0
Other Long-Term Obligations | Ohio Relocation Fees Debt
Debt Instrument [Line Items]
Effective yield		5.00%		5.00%
Principal		$ 52.8		$ 52.8			60.9
Amount payable upon opening of the facility		7.5		$ 7.5
Number of semi-annual payments | payment				18
Amount of semi-annual payments due beginning one year from commencement of operations				$ 4.8
Other Long-Term Obligations | Event Center Debt
Debt Instrument [Line Items]
Effective yield								3.00%
Principal		$ 11.4		$ 11.4			$ 12.0
Debt principal amount								$ 15.3
Debt instrument, periodic payment	$ 1.0
Debt instrument, term	20 years