Revenue - Additional (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019	Feb. 01, 2020
Disaggregation of Revenue [Line Items]
Right of return	$ 1,282		$ 1,282		$ 979
Deferred revenue	8,559		8,559		9,815
Deferred revenue associated with signing bonus , non-current	868		868		1,073
Revenue recognized	1,500	$ 1,200	2,800	$ 3,600
Friendship Rewards
Disaggregation of Revenue [Line Items]
Deferred revenue	4,416		4,416		4,280
Deferred revenue associated with signing bonus , non-current	0		0		0
Gift card revenue
Disaggregation of Revenue [Line Items]
Deferred revenue	2,587		2,587		4,282
Deferred revenue associated with signing bonus , non-current	0		0		0
Private label credit card
Disaggregation of Revenue [Line Items]
Deferred revenue	274		274		274
Deferred revenue associated with signing bonuses	1,100		1,100		1,300
Deferred revenue associated with signing bonus , non-current	868		868		$ 1,073
Revenue recognized	$ 100	$ 100	$ 100	$ 100