Summary of Significant Accounting Policies - Schedule of Lease Expense and Supplemental Lease Information (Details) ft² in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2021 USD ($) ft²	Aug. 01, 2020 USD ($)	Jul. 31, 2021 USD ($) ft²	Aug. 01, 2020 USD ($)
Lessee, Lease, Description [Line Items]
Fixed operating lease expense	$ 15,257,000	$ 15,288,000	$ 30,882,000	$ 31,203,000
Variable lease expense	4,846,000	4,453,000	8,736,000	8,294,000
Total lease expense	$ 20,103,000	$ 19,741,000	39,618,000	39,497,000
Cash paid for amounts included in the measurement of operating lease liabilities (in thousands)			$ 34,452,000	$ 20,446,000
Weighted average remaining lease term (in years)	5 years 6 months	5 years 10 months 24 days	5 years 6 months	5 years 10 months 24 days
Weighted average interest rate	6.40%	4.26%	6.40%	4.26%
Percentage of Stores	10		10
Operating Lease, Withheld Lease Payments	$ 400,000		$ 400,000
2020	34,493,000		34,493,000
2021	64,678,000		64,678,000
2022	54,072,000		54,072,000
2023	43,458,000		43,458,000
2024	34,470,000		34,470,000
Thereafter	65,697,000		65,697,000
Lessee, Operating Lease, Liability, to be Paid	296,868,000		296,868,000
Less: Amount representing interest	47,828,000		47,828,000
Present value of operating lease liabilities	249,040,000		249,040,000
Related Parties [Member]
Lessee, Lease, Description [Line Items]
2020	1,417,000		1,417,000
2021	2,246,000		2,246,000
2022	2,168,000		2,168,000
2023	2,233,000		2,233,000
2024	2,300,000		2,300,000
Thereafter	4,393,000		4,393,000
Lessee, Operating Lease, Liability, to be Paid	14,757,000		14,757,000
Less: Amount representing interest	1,813,000		1,813,000
Present value of operating lease liabilities	12,944,000		12,944,000
Other [Member]
Lessee, Lease, Description [Line Items]
2020	33,076,000		33,076,000
2021	62,432,000		62,432,000
2022	51,904,000		51,904,000
2023	41,225,000		41,225,000
2024	32,170,000		32,170,000
Thereafter	61,304,000		61,304,000
Lessee, Operating Lease, Liability, to be Paid	282,111,000		282,111,000
Less: Amount representing interest	46,015,000		46,015,000
Present value of operating lease liabilities	$ 236,096,000		$ 236,096,000
10 and 12 Whatney, Irvine, California | Office and warehouse space
Lessee, Lease, Description [Line Items]
Area of Real Estate Property | ft²	172		172
Operating Leases, Rent Expense	$ 500,000	$ 600,000	$ 1,000,000	$ 1,100,000
11 Whatney, Irvine, California | Minimum
Lessee, Lease, Description [Line Items]
Operating Lease, Increase in Lease Payments, Percentage			3.00%
11 Whatney, Irvine, California | Maximum
Lessee, Lease, Description [Line Items]
Operating Lease, Increase in Lease Payments, Percentage			7.00%
11 Whatney, Irvine, California | Office and warehouse space
Lessee, Lease, Description [Line Items]
Area of Real Estate Property | ft²	26		26
Operating Leases, Rent Expense		100,000	$ 200,000	200,000
17 Pasteur, Irvine, California | Minimum
Lessee, Lease, Description [Line Items]
Operating Lease, Increase in Lease Payments, Percentage			3.00%
17 Pasteur, Irvine, California | Maximum
Lessee, Lease, Description [Line Items]
Operating Lease, Increase in Lease Payments, Percentage			7.00%
17 Pasteur, Irvine, California | Office and warehouse space
Lessee, Lease, Description [Line Items]
Area of Real Estate Property | ft²	81		81
Operating Leases, Rent Expense	$ 200,000	300,000	$ 500,000	500,000
Cost of goods sold (1)
Lessee, Lease, Description [Line Items]
Fixed operating lease expense	14,841,000	14,886,000	30,057,000	30,400,000
Variable lease expense	4,835,000	4,425,000	8,735,000	8,244,000
Total lease expense	19,676,000	19,311,000	38,792,000	38,644,000
Selling, general and administrative expenses
Lessee, Lease, Description [Line Items]
Fixed operating lease expense	416,000	402,000	825,000	803,000
Variable lease expense	11,000	28,000	1,000	50,000
Total lease expense	$ 427,000	$ 430,000	$ 826,000	$ 853,000