Income Taxes - components of the income tax (provision) benefit (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019
Current:
Federal	$ (5,919)	$ 900
State	(1,956)	357
Total current (provision) benefit	(7,875)	1,257
Deferred:
Federal	1,341	(220)
State	322	234
Total deferred benefit	1,663	14
Income tax (provision) benefit	$ (6,212)	$ 1,271	$ (445)