Leases - Lease term and discount rate (Details) - USD ($) $ in Thousands	Aug. 06, 2023	Feb. 05, 2023
Operating leases:
Weighted-average remaining lease term (in years)	5 years 2 months 12 days	5 years 2 months 12 days
Weighted-average discount rate	6.90%	6.10%
Finance leases:
Finance lease right-of-use assets, gross	$ 17,596	$ 17,596
Accumulated amortization	(5,612)	(3,412)
Finance lease right-of-use assets, net	11,984	14,184
Finance lease liabilities, current	7,223	5,432
Finance lease liabilities, non-current	2,869	4,765
Present value of total lease liabilities	$ 10,092	$ 10,197
Weighted-average remaining lease term (in years)	2 years 9 months 18 days	3 years 3 months 18 days
Weighted-average discount rate	5.10%	5.10%