Property and Equipment, Net - Components of Property and Equipment, Net (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property and equipment	$ 3,209,521	$ 3,057,038
Less accumulated depreciation	(1,476,059)	(1,365,006)
Property and equipment, net	1,733,462	1,692,032
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	403,409	378,261
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	733,258	690,921
Rides, Attractions and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	1,527,301	1,476,866
Animals [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	142,232	142,081
Construction in Progress
Property, Plant and Equipment [Line Items]
Property and equipment	$ 117,121	$ 82,709