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Income Tax - Summary of Income Tax Provision for Continuing Operations (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 02, 2021
Dec. 28, 2019
Dec. 29, 2018
Current income tax expense (benefit):      
Federal $ 1,844 $ (899) $ (1,607)
State 5,149 817 1,107
Total current income tax expense (benefit) 6,993 (82) (500)
Deferred income tax expense (benefit):      
Federal 5,637 126 8,370
State (3,180) (2,386) (963)
Total deferred income tax expense (benefit) 2,457 (2,260) 7,407
Total income tax expense (benefit) $ 9,450 $ (2,342) $ 6,907