Other Accrued Expenses and Current Liabilities - Schedule of Other Accrued Expenses and Current Liabilities (Detail) - USD ($) $ in Thousands	Sep. 29, 2021	Dec. 30, 2020
Payables and Accruals [Abstract]
Accrued sales and property taxes	$ 5,375	$ 5,216
Gift card liability	3,686	4,008
Accrued advertising	4,162
Accrued legal settlements and professional fees	1,112	321
Deferred franchise and development fees	642	503
Current portion of lease payment deferrals	353	1,793
Other	5,216	4,874
Total other accrued expenses and current liabilities	$ 20,546	$ 16,715