Income Taxes - Components of Net Deferred Tax Assets (Details) - USD ($) $ in Thousands	Feb. 01, 2020	Feb. 02, 2019
Deferred tax assets, net:
Net operating loss carryforward	$ 40,921	$ 39,804
Gain on sale-leaseback	0	2,657
Accrued expenses and other	1,630	2,813
Operating lease liabilities	57,419	1,598
Goodwill and intangibles	236	510
Unrecognized loss on pension and pension expense	2,156	1,897
Inventory reserves	960	1,414
Foreign tax credit carryforward	486	766
Federal wage tax credit carryforward	824	824
Unrecognized loss on foreign exchange	0	186
State tax credits	147	147
Operating lease right-of-use assets	(48,018)	0
Property and equipment	(9,205)	(4,073)
Subtotal	47,556	48,543
Valuation allowance	(47,556)	(48,543)
Net deferred tax assets	$ 0	$ 0