Summary of Significant Accounting Policies - Additional Information (Details)	12 Months Ended
	Jan. 06, 2024 USD ($) OperatingSegment	Dec. 31, 2022 USD ($)	Dec. 25, 2021 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Royalty fee	6.00%
Percentage of marketing fee	3.00%
Franchise general agreement terms	10 years
Cash and cash equivalents maturity terms	Cash and cash equivalents are comprised of cash on hand, demand deposits with financial institutions, and short-term highly liquid investments with original maturities of 90 days or less.
Number of reporting units | OperatingSegment	1
Impairment of goodwill	$ 0	$ 0	$ 0
Impairment of trade names	0	0	0
Reclassifications of other comprehensive income or loss to earnings	0		$ 0
Operating lease liabilities	4,390,000
Fair Value, Inputs, Level 1 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Fair value of cash equivalents	33,529,000
Subsidiaries [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets	4,012,000	$ 4,899,000
Class A-2 Notes | Subsidiaries [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Debt Instrument, Fair Value Disclosure	$ 373,512,000