Quarterly Results (Parenthetical) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Quarterly Financial Information Disclosure [Abstract]
Gain on insurance proceeds	$ 3,300
Adjustment of diluted share related to hurricane affected stores	$ 0.13
Non-cash impairment charges	$ 3,400
Adjustment of diluted share related to non-cash impairment charges	$ 0.13
Stock-based compensation expense	$ 1,900		$ 10,162	$ 5,017	$ 3,822
Adjustment of diluted share related to share based compensation	$ 0.08
Income tax expense	$ 4,400	$ 4,400	$ 12,222	$ 18,480	$ 14,232
Adjustment of diluted share related to enactment of tax act	$ 0.27