Income Taxes - Components of Net Deferred Tax Assets (Details) - USD ($) $ in Thousands	Jan. 30, 2021	Feb. 01, 2020
Deferred tax assets, net:
Net operating loss carryforward	$ 50,197	$ 40,921
Accrued expenses and other	2,706	1,630
Operating lease liabilities	45,557	57,419
Goodwill and intangibles	87	236
Unrecognized loss on pension and pension expense	2,067	2,156
Inventory reserves	1,002	960
Foreign tax credit carryforward	486	486
Federal wage tax credit carryforward	824	824
State tax credits	147	147
Operating lease right-of-use assets	(34,365)	(48,018)
Property and equipment	(5,605)	(9,205)
Subtotal	63,103	47,556
Valuation allowance	(63,103)	(47,556)
Net deferred tax assets	$ 0	$ 0