Income Taxes - Income Tax Provision (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Summary of income tax provisions
Current provision (benefit)	$ 2	$ 436	$ (4,826)
Deferred provision (benefit)		24,614	2,020
Income tax provision (benefit)	2	25,050	(2,806)
Federal provision (benefit)	(20)	19,202	(1,962)
State provision (benefit)	(70)	5,679	(575)
Foreign provision (benefit)	$ 92	$ 169	$ (269)