Income Taxes - Components of Income Tax Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Income Tax Disclosure [Abstract]
Federal	$ 790	$ 9,906	$ 5,747
State	1,337	2,571	2,282
Total current	2,127	12,477	8,029
Federal	7,142	528	3,179
State	490	(1,121)	1,231
Total deferred	7,632	(593)	4,410
Income tax expense	$ 9,759	$ 11,884	$ 12,439