Summary of Significant Accounting Policies Summary of Significant Accounting Policies - Revenue Recognition (Details) - USD ($) $ 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
Disaggregation of Revenue [Line Items]
Revenue	$ 172,479	$ 154,780	$ 161,738	$ 130,303	$ 170,612	$ 146,826	$ 157,406	$ 123,634	$ 619,300	$ 598,478	$ 576,899
Percentage of total net sales									100.00%	100.00%	100.00%
Retail stores
Disaggregation of Revenue [Line Items]
Revenue									$ 520,843	$ 508,853	$ 501,053
E-commerce
Disaggregation of Revenue [Line Items]
Revenue									$ 98,457	$ 89,625	$ 75,846
Mens
Disaggregation of Revenue [Line Items]
Percentage of total net sales									36.00%	35.00%	35.00%
Womens
Disaggregation of Revenue [Line Items]
Percentage of total net sales									24.00%	25.00%	25.00%
Accessories
Disaggregation of Revenue [Line Items]
Percentage of total net sales									18.00%	18.00%	19.00%
Footwear
Disaggregation of Revenue [Line Items]
Percentage of total net sales									12.00%	12.00%	11.00%
Boys
Disaggregation of Revenue [Line Items]
Percentage of total net sales									6.00%	6.00%	6.00%
Girls
Disaggregation of Revenue [Line Items]
Percentage of total net sales									4.00%	4.00%	4.00%
Third-party
Disaggregation of Revenue [Line Items]
Percentage of total net sales									75.00%	75.00%	74.00%
Proprietary
Disaggregation of Revenue [Line Items]
Percentage of total net sales									25.00%	25.00%	26.00%