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Property and Equipment, Net - Components of Property and Equipment, Net (Detail) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Property, Plant and Equipment [Line Items]    
Property and equipment $ 4,136,832 $ 3,959,943
Less: accumulated depreciation (2,219,562) (2,072,660)
Property and equipment, net 1,917,270 1,887,283
Land [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment 286,200 286,200
Land Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment 542,249 520,160
Buildings [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment 977,355 937,392
Rides, Attractions and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment 2,103,369 1,987,881
Animals [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment 136,481 140,151
Construction in Progress    
Property, Plant and Equipment [Line Items]    
Property and equipment $ 91,178 $ 88,159