Description of the Business and Basis of Presentation - Additional Information (Detail) $ in Thousands				6 Months Ended
	Apr. 02, 2021 Business Guest	Feb. 01, 2021 Guest	Oct. 29, 2020 Guest	Jun. 30, 2021 USD ($) Business Segment	Dec. 31, 2020 USD ($)	Aug. 30, 2020 Business	Jun. 30, 2020 Business
Business Description And Basis Of Presentation [Line Items]
Number of theme parks owned and operated | Business				12		12	12
Number of theme parks reopened | Business						10	7
Number of theme parks opened for a portion of the year | Business	10			7
Number of reportable segment | Segment				1
Long term deferred revenue				$ 14,085	$ 13,428
Middle East Project [Member]
Business Description And Basis Of Presentation [Line Items]
Deferred costs incurred under Middle East Project				$ 7,300	5,900
Scheduled completion year of the project				2022
Middle East Project [Member] | Other Liabilities [Member]
Business Description And Basis Of Presentation [Line Items]
Long term deferred revenue				$ 10,000
Deferred revenue				$ 2,300	$ 1,900
State of Virginia [Member]
Business Description And Basis Of Presentation [Line Items]
Initial attendance capacity restriction for guests | Guest			1,000
Revised attendance capacity restriction for guests | Guest	13,000	6,000	4,000