Summary Quarterly Financial Data - Summary of Quarterly Financial Data (Parenthetical) (Detail) - USD ($) $ in Thousands	3 Months Ended							12 Months Ended
	Dec. 31, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2018	Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]
Pre-tax expenses associated with separation-related cost			$ 2,600
Pre-tax expenses associated with previously disclosed transfer of shares		$ 4,300
Pre-tax expenses associated with a legal settlement accrual, net of insurance recoveries	$ 32,100
Pre-tax expenses associated with separation-related costs and legal settlement accrual						$ 8,700	$ 21,500
Expense associated with fixed asset disposals including certain rides and equipment				$ 2,500	$ 3,800	$ 4,500
Restructuring and other separation cost related to severance costs and other termination benefits.					$ 3,900
Loss on early extinguishment of debt and write-off of discounts and debt issuance costs				$ 8,200				$ 8,150	$ 8,143