Quarterly Financial Data (Unaudited) - Schedule of Historical Consolidated Statements of Income (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Feb. 01, 2020	Nov. 02, 2019	Aug. 03, 2019	May 04, 2019	Feb. 02, 2019	Nov. 03, 2018	Aug. 04, 2018	May 05, 2018	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Quarterly Financial Data [Abstract]
Net sales	$ 168,064	$ 166,085	$ 180,744	$ 176,452	$ 170,902	$ 174,106	$ 179,713	$ 181,541	$ 691,345	$ 706,262	$ 698,145
Costs of goods sold	68,030	59,137	75,403	60,196	63,081	58,643	63,058	61,200	262,766	245,982	234,065
Gross profit	100,034	106,948	105,341	116,256	107,821	115,463	116,655	120,341	428,579	460,280	464,080
Selling, general and administrative expenses	100,954	97,972	104,698	105,445	99,794	101,589	97,365	100,294	409,069	399,042	394,893
Impairment of goodwill	31,000		88,428						119,428
Impairment of indefinite-lived intangible assets	5,100		7,000						12,100	12,100
Operating (loss) income	(37,020)	8,976	(94,785)	10,811	8,027	13,874	19,290	20,047	(112,018)	61,238	69,187
Interest expense, net	4,719	4,826	5,019	5,007	4,696	4,698	4,853	4,817	19,571	19,064	19,261
(Loss) income before provision for income taxes	(41,739)	4,150	(99,804)	5,804	3,331	9,176	14,437	15,230	(131,589)	42,174	49,926
Income tax (benefit) provision	(3,154)	1,763	(3,069)	1,438	1,237	2,488	3,952	3,972	(3,022)	11,649	(5,439)
Net (loss) income and total comprehensive income	$ (38,585)	$ 2,387	$ (96,735)	$ 4,366	$ 2,094	$ 6,688	$ 10,485	$ 11,258	$ (128,567)	$ 30,525	$ 55,365
Net (loss) income per common share attributable to common shareholders:
Basic	$ (0.88)	$ 0.05	$ (2.21)	$ 0.10	$ 0.05	$ 0.16	$ 0.24	$ 0.27	$ (2.94)	$ 0.71	$ 1.32
Diluted	$ (0.88)	$ 0.05	$ (2.21)	$ 0.10	$ 0.05	$ 0.15	$ 0.23	$ 0.26	$ (2.94)	$ 0.69	$ 1.27
Weighted average number of common shares outstanding:
Basic	44,017,340	43,838,667	43,793,348	43,327,519	43,060,392	42,953,173	42,855,366	42,216,331	43,749,324	42,771,316	41,926,157
Diluted	44,017,340	43,950,702	43,793,348	44,478,153	44,359,599	44,475,793	44,716,193	43,407,414	43,749,324	44,239,751	43,571,746