Acquisitions (Details)		3 Months Ended	9 Months Ended
	Jul. 01, 2019 USD ($) water_park	Sep. 29, 2019 USD ($)	Sep. 29, 2019 USD ($)	Sep. 23, 2018 USD ($)	Jul. 03, 2019 a hotel_room	Jul. 01, 2019 USD ($)	Jul. 01, 2019 resort	Dec. 31, 2018 USD ($)	Sep. 25, 2016 a
Business Combination Segment Allocation [Line Items]
Goodwill, acquired during period	$ 178,000,000.0		$ 177,994,000
Area of land | a									670
2029 Notes at 5.250% [Member]
Business Combination Segment Allocation [Line Items]
Interest rate, stated percentage		5.25%	5.25%
2029 Notes at 5.250% [Member] | Unsecured Debt [Member]
Business Combination Segment Allocation [Line Items]
Debt instrument, face amount		$ 500,000,000	$ 500,000,000
Interest rate, stated percentage		5.25%	5.25%
Schlitterbahn [Member]
Business Combination Segment Allocation [Line Items]
Number of assets acquired	2						1
Payments for asset acquisitions	$ 257,700,000
Property, plant and equipment, additions	$ 58,100,000
Pro forma revenue		$ 41,500,000	$ 68,000,000	$ 66,000,000
Pro forma net income (loss)		20,200,000	20,000,000	21,000,000
Asset acquisition, transaction costs			7,000,000.0
Sawmill Creek Resort [Member]
Business Combination Segment Allocation [Line Items]
Number of rooms in resort lodge | hotel_room					236
Area of real estate property | a					235
Area of land | a					50
Trade Names [Member]
Business Combination Segment Allocation [Line Items]
Indefinite-lived Intangible Assets (Excluding Goodwill)		$ 58,981,000	$ 58,981,000	$ 36,125,000				$ 35,394,000
Trade Names [Member] | Schlitterbahn [Member]
Business Combination Segment Allocation [Line Items]
Indefinite-lived Intangible Assets (Excluding Goodwill)						$ 23,200,000