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Summary of Significant Accounting Policies - Contract Balances (Details) - USD ($)
$ in Thousands
 12 Months Ended
Feb. 01, 2020
Feb. 02, 2019
Feb. 03, 2018
Disaggregation of Revenue [Line Items]      
Right of return assets, which are included in prepaid expenses and other $ 1,683 $ 1,496  
Sales return liabilities, which are included in accrued expenses (2,512) (2,233)  
Gift breakage income 1,430 1,007 $ 1,337
Recognized customer loyalty program breakage income 2,480 1,439 $ 1,022
Revenue related to the gift card liability $ 8,219 8,802  
Revenue from contract with customer liability recognition period 2 years    
Gift Card      
Disaggregation of Revenue [Line Items]      
Estimated contract liabilities, net of breakage $ (13,575) (11,569)  
Loyalty Reward Program      
Disaggregation of Revenue [Line Items]      
Estimated contract liabilities, net of breakage $ (9,621) $ (8,729)