Restructuring Programs and Separation Costs - Additional Information (Detail) $ in Thousands		3 Months Ended	12 Months Ended
	Feb. 27, 2018 USD ($)	Dec. 31, 2017 USD ($) Position	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($) Position	Dec. 31, 2015 USD ($)
Restructuring Cost And Reserve [Line Items]
Severance costs					$ 2,001
Separation activities, period of consulting term			3 years
Equity-based compensation expense			$ 23,203	$ 37,515	$ 6,527
Subsequent Event [Member]
Restructuring Cost And Reserve [Line Items]
Severance costs	$ 6,600
Equity-based compensation expense	$ 3,200
2017 Restructuring Program [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring costs, description			involved the elimination of approximately 350 positions by the end of the fourth quarter of 2017 across certain of the Company’s theme parks and corporate headquarters.
Number of positions eliminated | Position		350
Restructuring and other related costs incurred to date		$ 5,200	$ 5,200
2016 Restructuring Program [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring costs, description			involved the elimination of approximately 320 positions across all of the Company’s theme parks and corporate headquarters.
Number of positions eliminated | Position				320
Restructuring and other related costs incurred to date				$ 8,904