Commitments and Contingencies - Additional Information (Detail) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2018	Apr. 30, 2018
Commitments And Contingencies [Line Items]
Payment of civil penalty	$ 4,000,000
License agreement term, description		The License Agreement has an initial term through December 31, 2031, with an automatic additional 15 year extension plus a five year option added to the term of the License Agreement from December 31st of the year of each new Standalone Park opening. On May 2, 2018, the Company announced that it plans to open a new Sesame Land in SeaWorld Orlando in Spring of 2019.
San Diego Hotel Project [Member]
Commitments And Contingencies [Line Items]
Loss on termination of agreement	2,800,000	$ 2,800,000
EZPay Plan Class Action Lawsuit [Member]
Commitments And Contingencies [Line Items]
Estimated liability for legal settlement			$ 11,500,000
Settlement of litigation accrued	11,500,000	11,500,000
Minimum [Member]
Commitments And Contingencies [Line Items]
Amount in controversy, not recorded		5,000,000
Maximum [Member]
Commitments And Contingencies [Line Items]
Estimated combined obligations for commitments	$ 90,000,000	$ 90,000,000