Acquisitions (Details) $ in Thousands		3 Months Ended		12 Months Ended
	Jul. 01, 2019 USD ($) water_park	Mar. 29, 2020 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)	Jul. 01, 2019 USD ($)	Jul. 01, 2019 resort
Business Combination Segment Allocation [Line Items]
Right-of-use asset		$ 13,688	$ 72,594	$ 14,324
Goodwill, impairment loss		80,331
Schlitterbahn [Member]
Business Combination Segment Allocation [Line Items]
Number of assets acquired	2					1
Payments for asset acquisitions	$ 257,700
Goodwill, acquired during period	178,000
Property, plant and equipment, additions	$ 58,100
Asset acquisition, net working capital				3,300
Impairment of long-lived assets		2,700
Goodwill, impairment loss		73,600
Pro forma revenue		900	2,000
Pro forma net income (loss)		91,300	6,000
Asset acquisition, transaction costs				7,000
Trade Names [Member]
Business Combination Segment Allocation [Line Items]
Indefinite-lived intangible assets		50,361	$ 35,665	59,249
Trade Names [Member] | Schlitterbahn [Member]
Business Combination Segment Allocation [Line Items]
Indefinite-lived intangible assets		15,400		23,200	$ 23,200
Impairment of intangible assets		$ 7,900
Non-Compete Covenants [Member] | Schlitterbahn [Member]
Business Combination Segment Allocation [Line Items]
Indefinite-lived intangible assets					$ 200
Galveston Land [Member]
Business Combination Segment Allocation [Line Items]
Right-of-use asset				6,800
Operating lease, liability				$ 5,300