Commitments and Contingencies - Additional Information (Detail)	3 Months Ended		9 Months Ended
	Oct. 01, 2023 USD ($)	Jan. 01, 2023 USD ($) Store	Oct. 01, 2023 USD ($)	Sep. 27, 2023 USD ($)
Commitments And Contingencies [Line Items]
Number of stores destroyed in roof collapse | Store		1
Loss contingency, total loss		$ 400,000
Deduction on settlement	$ 500,000
Proceeds from cash insurance recovery total, net of insurance deductible	700,000
Proceeds from insurance recovery	600,000		$ 619,000
Proceeds from insurance recovery - property and equipment	100,000		60,000
Gain on recovery of insurance proceeds - lost profit margin and business interruption	300,000		338,000
Gain on recovery of insurance proceeds - property and equipment	$ 21,000		$ 21,000
Cumulative indemnity reserve on tentative settlement				$ 1,500,000