Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Feb. 03, 2018	Jan. 28, 2017
Deferred tax assets:
Accruals	$ 2,884	$ 3,208
Inventory valuation	671	898
State tax credit carryforwards	197	190
State net operating loss carryforwards	14	0
Deferred rent	3,966	5,745
Other	3,933	5,922
Total deferred tax assets	11,665	15,963
Valuation allowance for deferred tax assets	(73)	(56)
Net deferred tax assets	11,592	15,907
Deferred tax liabilities:
Depreciation	(8,742)	(14,421)
Prepaid assets	(634)	(767)
Total deferred tax liabilities	(9,376)	(15,188)
Net deferred tax assets	$ 2,216	$ 719