Revenue - Additional (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Aug. 04, 2018	Aug. 04, 2018	Feb. 04, 2018	Feb. 03, 2018
Disaggregation of Revenue [Line Items]
Right of return	$ 1,304	$ 1,304	$ 1,079	$ 1,079
Deferred revenue	8,345	$ 8,345	9,840
Gift card balances remained outstanding, breakage period, following		36 months
Revenue recognized	1,500	$ 3,400
Friendship Rewards Program
Disaggregation of Revenue [Line Items]
Deferred revenue	3,868	3,868	3,501	3,539
Gift card revenue
Disaggregation of Revenue [Line Items]
Deferred revenue	2,899	2,899	4,986	$ 6,931
Private label credit card
Disaggregation of Revenue [Line Items]
Deferred revenue	274	274	$ 274
Deferred revenue associated with signing bonuses	1,800	1,800
Revenue recognized	$ 100	$ 100

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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