Summary of Significant Accounting Policies - Additional Information (Detail)	3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 01, 2023 USD ($)	Oct. 02, 2022 USD ($)	Oct. 01, 2023 USD ($)	Oct. 02, 2022 USD ($)	Jan. 01, 2023 USD ($) Supplier
Accounting Policies [Line Items]
Reporting period, minimum			364 days
Reporting period, maximum			371 days
Interim reporting periods			91 days	91 days
Concentration risk, suppliers | Supplier					700
Concentration risk, largest supplier | Supplier					20
Suppliers accounted for total purchases					35.90%
Percentage of vendors represented greater than of total purchases					5.00%
Vendor represented greater than of total purchases | Supplier					0
Number of performance obligation			one
Stored value card redemption revenue recognized	$ 1,200,000	$ 1,300,000	$ 4,300,000	$ 4,600,000
Outstanding stored value card liabilities	8,100,000		$ 8,100,000		$ 8,800,000
Stored value cards redeemed period			2 years
Impairment charges			$ 0	0	0
Merchandise [Member] | Accounting Standards Update 2014-09
Accounting Policies [Line Items]
Estimated right of return related to estimated sales returns			700,000		1,200,000
Allowance for sales returns reserve	1,400,000		1,400,000		$ 2,300,000
Stored Value Card Breakage Revenue [Member]
Accounting Policies [Line Items]
Recognized stored value card breakage revenue	$ 100,000	$ 100,000	$ 200,000	$ 200,000