Leases - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 01, 2020	Aug. 03, 2019	Aug. 01, 2020	Aug. 03, 2019	Feb. 01, 2020
Lessee, Lease, Description [Line Items]
Payments for deferred rent	$ 1,000		$ 1,400
Lease modifications, rent abatements	5,700		5,800
Impairment loss	500	$ 100	4,600	$ 900
Accumulated amortization	1,000	$ 400	1,000	$ 400	$ 800
Lease not yet commenced, amount	$ 700		$ 700
Minimum
Lessee, Lease, Description [Line Items]
Deferred rent payment period			6 months
Maximum
Lessee, Lease, Description [Line Items]
Deferred rent payment period			18 months