Revenue - Additional (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 03, 2019	Aug. 04, 2018	Aug. 03, 2019	Aug. 04, 2018	Feb. 02, 2019
Disaggregation of Revenue [Line Items]
Right of return	$ 1,215	$ 1,176	$ 1,215	$ 1,176	$ 1,176
Deferred revenue	8,295	9,864	8,295	9,864
Deferred revenue associated with signing bonus , non-current	1,210	1,348	1,210	1,348
Revenue recognized	1,400	1,500	3,100	3,400
Friendship Rewards Program
Disaggregation of Revenue [Line Items]
Deferred revenue	4,169	3,768	4,169	3,768	3,768
Deferred revenue associated with signing bonus , non-current	0	0	0	0
Gift card revenue
Disaggregation of Revenue [Line Items]
Deferred revenue	2,637	4,646	2,637	4,646	4,646
Deferred revenue associated with signing bonus , non-current	0	0	0	0
Private label credit card
Disaggregation of Revenue [Line Items]
Deferred revenue	274	274	274	274	300
Deferred revenue associated with signing bonuses	1,500		1,500		1,500
Deferred revenue associated with signing bonus , non-current	1,210	1,348	1,210	1,348	$ 1,200
Revenue recognized	$ 100	$ 100	$ 100	$ 100