Quarterly Results (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended																12 Months Ended
	Feb. 02, 2019		Nov. 03, 2018		Aug. 04, 2018		May 05, 2018		Feb. 03, 2018	[1],[2]	Oct. 28, 2017		Jul. 29, 2017		Apr. 29, 2017		Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 234,658		$ 269,181		$ 268,366		$ 257,445		$ 243,232		$ 287,469		$ 235,064		$ 253,389
Gross profit	66,666		81,218		83,781		77,327		70,219		85,667		68,227		72,156		$ 308,992	$ 296,269	$ 289,235
Operating income	1,497		16,016		14,931		17,316		170		17,880		6,424		13,227		49,760	37,701	37,912
Net income (loss)	$ 1,359		$ 12,046		$ 11,775		$ 12,955		$ (3,891)		$ 10,697		$ 3,896		$ 8,231		$ 38,135	$ 18,933	$ 23,517
Net income (loss) per share – Basic	$ 0.09	[3]	$ 0.80	[3]	$ 0.77	[3]	$ 0.83	[3]	$ (0.24)	[3]	$ 0.66	[3]	$ 0.24	[3]	$ 0.48	[3]	$ 2.51	$ 1.15	$ 1.28
Net income (loss) per share – Diluted	$ 0.09	[3]	$ 0.76	[3]	$ 0.76	[3]	$ 0.83	[3]	$ (0.24)	[3]	$ 0.66	[3]	$ 0.24	[3]	$ 0.48	[3]	$ 2.45	$ 1.15	$ 1.28

[1] Our gross profit, operating income and net loss for the fourth quarter of fiscal 2017 were impacted by the following items recorded in such quarter: gain on insurance proceeds related to hurricane affected stores of $3.3 million, or $0.13 per diluted share, net of tax, non-cash impairment charges for underperforming stores of $3.4 million, or $0.13 per diluted share, net of tax, additional stock-based compensation expense resulting from the enactment of the Tax Act and its impact on the anticipated vesting of outstanding performance-based restricted stock of $1.9 million, or $0.08 per diluted share, net of tax, and additional income tax expense resulting from the enactment of the Tax Act and our remeasurement of deferred tax assets and liabilities of $4.4 million, or $0.27 per diluted share.

[2] The fourth quarter of fiscal 2017 consisted of 14 weeks compared with 13 weeks in the fourth quarter of fiscal 2018.

[3] Per share amounts are computed independently for each of the quarters presented. The sum of the quarters may not equal the total year due to the impact of changes in weighted shares outstanding and differing applications of earnings under the two-class method.