Commitments and Contingencies - Additional Information (Detail) - USD ($)		12 Months Ended
	Jan. 02, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Commitments And Contingencies [Line Items]
Rental expense		$ 20,513,000	$ 20,912,000	$ 20,233,000
Lease term		50 years
Lease expiration date		Jul. 01, 2048
Minimum annual rent payment	$ 10,400,000
Additional capital payments		$ 107,000,000
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.
Maximum [Member]
Commitments And Contingencies [Line Items]
Estimated combined obligations for commitments		$ 156,000,000
Minimum [Member]
Commitments And Contingencies [Line Items]
Amount in controversy, not recorded		$ 5,000,000