Represents the capital expenditure based on certain percentage of partnership parks revenue.

No definition available.

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- Definition

Represents the annual distributions by general partners to special partners in Partnership Parks.

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

Partnership Parks, Cash Distribution Percentage, After Management Fee

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
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- Definition

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

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the period of Weighted average EBITDA used for deriving the value of the purchase price.

+ References

No definition available.

+ Details

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Namespace Prefix:	fun_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The specified multiple for each of the partnership parks for calculation and valuation of purchase prices.

+ References

No definition available.

+ Details

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Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the threshold purchase price of partnership parks.

+ References

No definition available.

+ Details

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Namespace Prefix:	fun_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Redeemable Noncontrolling Interest, Equity, Agreed Upon Value

+ References

No definition available.

+ Details

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Namespace Prefix:	fun_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Amount of interest income (expense) classified as nonoperating.

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- Definition

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

+ References

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- Definition

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

+ References

+ Details

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- Definition

Rate for management and service fees under arrangement to manage operations, including, but not limited to, investment.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Amount of increase in noncontrolling interest from subsidiary issuance of equity interests to noncontrolling interest holders.

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- Definition

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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- Definition

Change in the number of units for each class of partners' capital accounts during the year due to acquisitions. Partners include general, limited and preferred partners.

+ References

+ Details

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- Definition

Redemption value, as if currently redeemable, of redeemable noncontrolling interest classified as temporary equity and the election has been made to accrete changes in redemption value to the earliest redemption date.

+ References

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Non-Controlling Interests - Narrative (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 29, 2025 USD ($) shares	Jun. 30, 2024 USD ($)	Jun. 29, 2025 USD ($)	Jun. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 1998 USD ($)	Dec. 31, 1997 USD ($)
Noncontrolling Interest [Line Items]
Interest expense, net	$ (92,409)	$ (39,825)	$ (179,444)	$ (74,161)
Six Flags Over Georgia
Noncontrolling Interest [Line Items]
Limited liability company or limited partnership, members or limited partners, ownership interest (as percent)			32.10%
General partner ownership interest (as percent)			68.50%
Six Flags Over Texas
Noncontrolling Interest [Line Items]
Limited liability company or limited partnership, members or limited partners, ownership interest (as percent)			55.40%
General partner ownership interest (as percent)			45.90%
The Partnership Parks
Noncontrolling Interest [Line Items]
Annual distributions by general partners to limited partners in partnership parks			$ 91,100
Share of partnership parks' annual distributions paid to six flags entertainment corporation			$ 41,400
Rolling period for making minimum capital expenditure at each of the partnership parks (in years)			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 (in years)			4 years
Management fees rate (as percent)					3.00%
Cash generated from operating activities by partnerships, after deduction of capital expenditures and excluding the impact of short-term intercompany advances					$ (9,700)
Texas Partnership (SFOT)
Noncontrolling Interest [Line Items]
Units purchased in partnership parks (in shares) \| shares	3.085
Purchase price of partnership units	$ 6,800
Specified multiple for purchase price valuation	8.5		8.5
Specified price for purchase of partnership parks	$ 527,400		$ 527,400
Agreed-upon value for the partnerships	756,400		756,400			$ 374,800
Partnership parks, cash distribution after management fee (as percent)					92.50%
Texas Partnership (SFOT) \| Put Option
Noncontrolling Interest [Line Items]
Redemption value of noncontrolling interests	247,297		247,297		$ 241,816
Distributions earned by non-controlling interests			12,251
Texas Partnership (SFOT) \| Limited Partner
Noncontrolling Interest [Line Items]
Agreed-upon value for the partnerships	$ 341,500		$ 341,500
Georgia Partnership (SFOG)
Noncontrolling Interest [Line Items]
Units purchased in partnership parks (in shares) \| shares	0.250
Purchase price of partnership units	$ 1,000
Specified multiple for purchase price valuation	8.0		8.0
Specified price for purchase of partnership parks	$ 409,700		$ 409,700
Agreed-upon value for the partnerships	513,800		513,800				$ 250,000
Partnership parks, cash distribution after management fee (as percent)					95.00%
Interest expense, net			17,600
Georgia Partnership (SFOG) \| Put Option
Noncontrolling Interest [Line Items]
Redemption value of noncontrolling interests	290,913		290,913		$ 279,371
Distributions earned by non-controlling interests			12,566
Georgia Partnership (SFOG) \| Limited Partner
Noncontrolling Interest [Line Items]
Agreed-upon value for the partnerships	$ 352,300		$ 352,300