Other Accrued Liabilities and Other Non-current Liabilities - Summary of Other Non-current Liabilities (Detail) - USD ($) $ in Thousands	Sep. 08, 2020	Dec. 31, 2019
Other Liabilities Disclosure [Abstract]
Insurance reserves	$ 8,325	$ 8,110
Deferred development and initial franchise fees	4,510	4,241
Sublease liabilities	1,409	1,223
Deferred gift card income	733	1,474
Restaurant closure liability	253	308
Unearned trade discount, non-current	128	320
Other	916	925
Other non-current liabilities	$ 16,274	$ 16,601