Goodwill, Trade Names/Trademarks and Other Intangible Assets, Net - Additional Information (Detail) - Trade Names/Trademarks [Member] - USD ($) $ in Thousands	3 Months Ended
Dec. 31, 2020	Dec. 31, 2021
Definite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Net Carrying Value, indefinite lives	$ 157,000	$ 157,000
SeaWorld Reporting Unit [Member]
Definite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Net Carrying Value, indefinite lives	111,900
Goodwill impairment charges	$ 0

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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