Revenue Recognition - Contract Balances (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 25, 2023	Jun. 30, 2024	Jun. 25, 2023	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Revenue recognized related to deferred revenue and customer loyalty program	$ 8,200	$ 7,900	$ 16,300	$ 16,300
Contract Liabilities
Beginning balance			40,793
Ending balance	38,952		38,952
Change			(1,841)
Contract assets	12,200		12,200		$ 7,900
Amortization expense related to contract assets	1,400	$ 900	2,600	$ 1,800
Franchise fee liabilities
Contract Liabilities
Beginning balance			20,564
Ending balance	20,065		20,065
Change			(499)
Unredeemed gift card liabilities
Contract Liabilities
Beginning balance			6,955
Ending balance	5,722		5,722
Change			(1,233)
Customer loyalty program obligations
Contract Liabilities
Beginning balance			13,274
Ending balance	$ 13,165		13,165
Change			$ (109)