Other Accrued Liabilities - Additional Information (Detail) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Payables and Accruals [Abstract]
Certain contractual obligations from temporary COVID-19 park closures	$ 14.5	$ 10.9

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