Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017
Income Tax [Line Items]
Blended federal income tax rate	33.70%
Tax expense due to revaluation from the Tax Cuts and Jobs Act	$ 419
Valuation allowance for deferred tax assets	73	$ 56
Unrecognized tax benefits		144
Unrecognized tax benefits reductions due to lapse of the statute of limitations	144	163
Accrued payment of interest and penalties associated with unrecognized tax benefits	0	$ 122
State and Local
Income Tax [Line Items]
Operating loss carryforwards	268
State tax credit carryforwards	$ 249