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Summary of Significant Accounting Policies - (Tables)
12 Months Ended
Jan. 31, 2021
Accounting Policies [Abstract]  
Estimated Useful Lives of Property and Equipment
The estimated useful lives of property and equipment are principally as follows:

Furniture, fixtures and equipment
 5 to 10 years
Computer equipment and software
 3 to 5 years
Leasehold improvements and finance lease assetsShorter of the lease term or estimated useful life
The following is a summary of property and equipment, net (in thousands):

As of
January 31, 2021February 2, 2020
Furniture, fixtures and equipment$91,496 $67,894 
Computer equipment43,347 32,259 
Internal-use software56,977 30,222 
Leasehold improvements80,641 39,447 
Construction in progress41,914 18,927 
314,375 188,749 
Less: accumulated depreciation and amortization104,358 70,018 
Property and equipment, net$210,017 $118,731 
Schedule of Accrued Expenses and Other Current Liabilities
The following table presents the components of accrued expenses and other current liabilities (in thousands):

As of
January 31, 2021February 2, 2020
Outbound fulfillment$310,700 $182,589 
Advertising and marketing85,835 96,836 
Payroll liabilities72,467 30,791 
Accrued expenses and other133,495 107,273 
Total accrued expenses and other current liabilities$602,497 $417,489