Lease Commitments - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Oct. 31, 2020	Oct. 31, 2020	Feb. 01, 2020
Lessee, Lease, Description [Line Items]
Lease expense	$ 7,600	$ 25,300
Variable lease expense	700	1,400
Lease payments	6,400	22,400
Right of use asset obtained in exchange for lease liabilities	2,900	4,000
Accrued occupancy-related expenses	364	364	$ 468
Accounts Payable
Lessee, Lease, Description [Line Items]
Accrued occupancy-related expenses	11,300	11,300
Selling, General and Administrative Expenses
Lessee, Lease, Description [Line Items]
Lease expense	8	27
Cost of Sales
Lessee, Lease, Description [Line Items]
Lease expense	$ 6,900	$ 23,900