Restructuring and Other Separation Costs - Additional Information (Detail) $ in Thousands		3 Months Ended
	Feb. 27, 2018 USD ($)	Mar. 31, 2019 USD ($)	Sep. 30, 2018 Position	Mar. 31, 2018 USD ($)	Dec. 31, 2018 USD ($)
Restructuring Cost And Reserve [Line Items]
Restructuring and other related costs incurred to date		$ 2,600
Severance related benefits	$ 6,700
Equity-based compensation expense		3,198		$ 7,545
Selling, General and Administrative Expenses [Member]
Restructuring Cost And Reserve [Line Items]
Equity-based compensation expense		$ 1,841		5,982
Selling, General and Administrative Expenses [Member] | Employment Agreements [Member]
Restructuring Cost And Reserve [Line Items]
Equity-based compensation expense				$ 4,500
2018 Restructuring Program [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and other related costs incurred to date					$ 5,500
Restructuring costs, description		involved the elimination of approximately 125 positions during the third quarter of 2018 across the Company’s theme parks and its corporate headquarters.
Number of positions eliminated | Position			125