Other Accrued Liabilities - Additional Information (Detail) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Payables And Accruals [Abstract]
Nonrecurring contractual obligations from temporary COVID-19 park closures	$ 10.9	$ 10.9
Liabilities related to share repurchases not yet settled	$ 20.2

Contractual obligations from temporary Covid Nineteen park closures included in other accrued liabilities.

No definition available.

Name:	seas_ContractualObligationsFromTemporaryCovidNineteenParkClosuresIncludedInOtherAccruedLiabilities
Namespace Prefix:	seas_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant