Income Taxes - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019
Operating Loss Carryforwards [Line Items]
Change in valuation allowance	$ 1,991	$ (1,044)	$ 9,672
Valuation allowance	20,428	$ 10,161
Net operating loss carryforwards, employment tax credits	800
Reduced value of employment tax credits if unutilized after various times beginning 2038	200
Deferred tax benefit related to state net operating loss carryforwards	500
Deferred tax benefits related to federal net operating loss carryforwards with no expiration date	$ 4,200
Effective income tax rate	(15.50%)	67.50%	120.30%
Incremental benefit from change in enacted tax rate		$ (3,800)
Valuation allowance on deferred income tax assets	$ 10,300
Reduction in Taxes
Operating Loss Carryforwards [Line Items]
Change in valuation allowance		(700)
Deferred income tax valuation allowance
Operating Loss Carryforwards [Line Items]
Change in valuation allowance	700	300
Continuing Operations
Operating Loss Carryforwards [Line Items]
Change in valuation allowance	1,200
Discontinued Operations
Operating Loss Carryforwards [Line Items]
Change in valuation allowance	9,000
Federal
Operating Loss Carryforwards [Line Items]
Change in valuation allowance		6,200
Operating Loss Carryforwards	37,300
Incremental benefit from change in enacted tax rate	0	(3,846)	$ (716)
State
Operating Loss Carryforwards [Line Items]
Change in valuation allowance		3,100
Operating Loss Carryforwards	39,700
Incremental benefit from change in enacted tax rate	$ (1,092)	$ 0	$ 0