Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Feb. 01, 2020	Feb. 02, 2019
Deferred tax assets:
Accruals	$ 2,622	$ 2,914
Inventory valuation	739	664
State tax credit carryforwards	148	144
Federal and state net operating loss carryforwards	7,462	85
Impairment	4,809	0
Operating lease liabilities	64,819	0
Deferred rent	0	3,755
Other	2,505	3,294
Total deferred tax assets	83,104	10,856
Valuation allowance for deferred tax assets	(12,145)	(83)
Net deferred tax assets	70,959	10,773
Deferred tax liabilities:
Depreciation	(16,834)	(8,352)
Operating lease right-of-use assets	(51,974)	0
Prepaid assets	(626)	(718)
Total deferred tax liabilities	(69,434)	(9,070)
Deferred income taxes	$ 1,525	$ 1,703