Income Taxes - Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Current tax expense (benefit):
Federal	$ (225)	$ 708	$ 5,141
State	612	810	876
Deferred tax expense (benefit):
Federal	362	455	(1,207)
State	(71)	58	(290)
Income tax expense	$ 678	$ 2,031	$ 4,520