Other Accrued Liabilities and Other Non-current Liabilities - Summary of Other Non-current Liabilities (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Jan. 01, 2019	Jan. 02, 2018	Jan. 02, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
(Unfavorable)/favorable lease assets/liabilities	$ (50)	$ 0	$ (548)
Unfavorable Leasehold Interests Noncurrent, Accrual Adjustment		600
Other non-current liabilities	16,601	32,852		$ 14,504
Leases, Deferred Rent Liability		16,600
Unfavorable lease liabilities	0	11,975
Sublease Liabilities	1,223	0
Insurance reserves	8,110	8,794
Deferred rent liability	0	4,594
Deferred development and initial franchise fees	4,241	2,742
Restaurant closure liabilities	308	1,788
Deferred gift card income	1,474	1,290
Unearned trade discount, non-current	320	739
Other	925	930
Other non-current liabilities	16,601	$ 32,852		14,504
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
(Unfavorable)/favorable lease assets/liabilities	12,000
Other non-current liabilities	1,800			(18,348)
Leases, Deferred Rent Liability	4,600
Other non-current liabilities	$ 1,800			$ (18,348)