Description of Business and Basis of Presentation - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	1 Months Ended
	Mar. 31, 2013 PartnershipUnit Business	Apr. 24, 2013 Subsequent Events [Member] Initial public offering [Member]	Apr. 24, 2013 Subsequent Events [Member] Initial Public Offering Over-Allotment [Member]
Business Description And Basis Of Presentation [Line Items]
Number of limited partnerships which owned the Company	10
Number of theme parks owned	11
Shares of common stock issued through initial public offering, shares		10,000,000
Net proceeds received from offering		$ 245,400
Shares offered and sold by the selling shareholders		19,900,000	3,900,000
Acquisition date of Knott's Soak City	Nov. 30, 2012