Leases - Summary of Components of Net Lease Cost (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Oct. 31, 2020	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019
Leases [Abstract]
Operating lease cost		$ 11,824	$ 13,500	$ 35,756	$ 39,968
Variable lease costs	[1]	3,690	4,201	10,759	12,200
Total lease costs		$ 15,514	$ 17,701	$ 46,515	$ 52,168

[1] Variable lease costs include the cost of property taxes, insurance and common area maintenance fees related to its leases.