Description of the Business - Additional Information (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($) Business Partnership Guest	Aug. 05, 2020 USD ($)	Apr. 30, 2020 USD ($)	Oct. 02, 2009 Partnership
Business Description And Basis Of Presentation [Line Items]
Number of theme parks owned and operated | Business	12
Number of limited partnerships which owned the company | Partnership	10			10
First-Priority Senior Secured Notes [Member]
Business Description And Basis Of Presentation [Line Items]
Senior secured debt			$ 227.5
First-Priority Senior Secured Notes [Member] | Revolving Credit Facility [Member]
Business Description And Basis Of Presentation [Line Items]
Senior secured debt	$ 227.5
Second-Priority Senior Secured Notes [Member]
Business Description And Basis Of Presentation [Line Items]
Senior secured debt		$ 500.0
Second-Priority Senior Secured Notes [Member] | Revolving Credit Facility [Member]
Business Description And Basis Of Presentation [Line Items]
Senior secured debt	$ 500.0
State of Virginia [Member]
Business Description And Basis Of Presentation [Line Items]
Initial attendance capacity restriction for guests	1,000
Revised attendance capacity restriction for guests | Guest	4,000
Geographic Concentration Risk [Member] | Revenues [Member] | Florida [Member] | Minimum
Business Description And Basis Of Presentation [Line Items]
Percentage of revenue	50.00%
Covid 19 [Member] | Revenues [Member] | Florida [Member] | Minimum
Business Description And Basis Of Presentation [Line Items]
Percentage of revenue	70.00%