Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Apr. 03, 2022	Jan. 03, 2022	Jan. 02, 2022
Leases [Abstract]
Operating lease right-of-use assets	$ 174	$ 184
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets
Finance lease right-of-use assets	$ 11,135
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property and equipment, net
Total lease right-of-use assets	$ 11,309
Current portion of operating lease liabilities	$ 42
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued expenses
Operating lease liabilities, excluding current portion	$ 132
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other long-term liabilities
Total operating lease liabilities	$ 174	$ 184
Current portion of finance lease liabilities	$ 1,597		$ 1,192
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued expenses
Finance lease liabilities, excluding current portion	$ 9,523
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other long-term liabilities
Total finance lease liabilities	$ 11,120
Total lease liabilities	$ 11,294