Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2022	Mar. 30, 2021	Dec. 28, 2021
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Expected unredeemed percent	9.00%
Estimated redemption period	24 months
Gift card liability, current	$ 2,367		$ 2,850
Revenue recognized for redemption of gift cards	$ 1,000	$ 1,100
Period in which initial fees received from franchisees will be recognized as revenue	20 years
Loyalty program deferred revenue	$ 400		400
Accrued Expenses and Other Current Liabilities
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Gift card liability, current	2,400		2,900
Other Long-term Liabilities
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Gift card liability, non-current	$ 600		$ 600