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Number of plaintiffs that have filed claims pertaining to a loss contingency and remaining to be settled represented by different firms.

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Represents the rolling period for making minimum capital expenditure at each of the Partnership Parks.

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Represents the share of the entity in annual distributions to be made by the general partners of the partnership parks.

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The net cash from (used in) the partnership parks' continuing operations.

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No definition available.

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No definition available.

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Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

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Change in the different classes of partners' capital accounts during the year due to acquisitions. Partners include general, limited and preferred partners.

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Commitments and Contingencies (Details) $ in Thousands					1 Months Ended			3 Months Ended		6 Months Ended		12 Months Ended
Commitments and Contingencies (Details) $ in Thousands	Apr. 17, 2023 plaintiff item	Apr. 14, 2023 plaintiff	Apr. 08, 2020 claim	Mar. 02, 2020 claim	May 31, 2023 USD ($) shares	Apr. 30, 2020 claim	Feb. 29, 2020 claim	Jul. 02, 2023 USD ($) multiple	Jul. 03, 2022 USD ($)	Jul. 02, 2023 USD ($) multiple	Jul. 03, 2022 USD ($)	Dec. 31, 2023 USD ($)	Jan. 02, 2022 USD ($)	Jan. 01, 2023 USD ($)
Details of commitments and contingencies
Redeemable noncontrolling interests, ending balance								$ 544,764	$ 543,719	$ 544,764	$ 543,719
Additions to property and equipment										68,130	59,006
Self insurance reserve								68,600	37,000	68,600	37,000			$ 34,100
Total selling, general and administrative expenses								90,448	53,498	134,695	92,755
Change in Assumptions for Self Insurance Reserve
Details of commitments and contingencies
Total selling, general and administrative expenses								37,600		37,600
Securities Class Action Lawsuits \| Pending Litigation
Details of commitments and contingencies
Number of claims filed \| claim				2			2
Stockholder Derivative Lawsuits \| Pending Litigation
Details of commitments and contingencies
Number of claims filed \| claim						2
Number of claims consolidated \| claim			3
Personal injury lawsuit \| Pending Litigation
Details of commitments and contingencies
Number of plaintiffs remaining to be settled \| plaintiff	122
Number of plaintiffs remaining to be settled represented by different firms \| plaintiff	71
Number of pro se plaintiffs \| plaintiff	51
Firms \| item	5
Personal injury lawsuit \| Settled Litigation
Details of commitments and contingencies
Number of plaintiffs \| plaintiff		421
Partnerships That Own Partnership Parks
Details of commitments and contingencies
Total loans receivable								288,300	$ 288,300	$ 288,300	$ 288,300			$ 288,300
Six Flags over Georgia
Details of commitments and contingencies
Limited partner interests owned (as a percent)										31.50%
Six Flags over Texas
Details of commitments and contingencies
Units purchased in partnership parks (in units) \| shares					0.149
Purchase price of partnership units					$ 300
Limited partner interests owned (as a percent)										54.10%
Six Flags over Texas and Georgia
Details of commitments and contingencies
Annual distributions by general partners to limited partners in partnership parks										$ 85,600
Share of partnership parks' annual distributions paid to six flags entertainment corporation										$ 38,100
Rolling period for making minimum capital expenditure at each of the Partnership Parks										5 years
Percentage of capital expenditures to Partnership Parks' revenues										6.00%
Weighted average period of the park's EBITDA for calculation of value of purchase price										4 years
Additions to property and equipment													$ 20,600
Cash generated from operating activities by partnerships, after deduction of capital expenditures and excluding the impact of short-term intercompany advances													$ 73,000
Six Flags over Georgia
Details of commitments and contingencies
Redemption value of noncontrolling interests								280,200		$ 280,200
Redeemable noncontrolling interests, ending balance								$ 292,107		$ 292,107
Specified multiple for purchase price valuation (in multipliers) \| multiple								8.0		8.0
Specified price for purchase of partnership parks								$ 409,800		$ 409,800
Six Flags over Texas
Details of commitments and contingencies
Redemption value of noncontrolling interests								240,800		240,800
Redeemable noncontrolling interests, ending balance								$ 252,657		$ 252,657
Specified multiple for purchase price valuation (in multipliers) \| multiple								8.5		8.5
Specified price for purchase of partnership parks								$ 527,400		$ 527,400
Scenario, Forecast \| Six Flags over Texas and Georgia \| Minimum
Details of commitments and contingencies
Additions to property and equipment												$ 26,000
Scenario, Forecast \| Six Flags over Texas and Georgia \| Maximum
Details of commitments and contingencies
Additions to property and equipment												$ 30,000