Other Accrued Liabilities and Other Non-current Liabilities - Summary of Other Accrued Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Jan. 02, 2019	Jan. 01, 2019
Accounts Payable And Accrued Liabilities Current And Noncurrent [Line Items]
Operating Lease, Right-of-Use Asset		$ 400
Employee compensation and related items	$ 10,008		$ 12,888
Accrued insurance	5,900		5,664
Accrued sales tax	4,099		3,952
Accrued property and equipment purchases	3,190		3,196
Accrued advertising	1,345		1,578
Accrued real property tax	1,652		1,420
Gift Card Liability, Current	1,585		1,531
Accrued Rent	1,382		1,248
Restaurant closure liabilities	129		623
Other	5,287		2,685
Other accrued liabilities	$ 34,577	$ 34,360	$ 34,785