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Related-Party Transactions (Details) - Seidler Equity Partners III L.P. - USD ($)
$ in Thousands
12 Months Ended
Feb. 02, 2019
Feb. 03, 2018
Jan. 28, 2017
Related Party Transaction [Line Items]      
Related party agreement date Aug. 14, 2009    
Payments made to related party $ 0 $ 0 $ 0
Amounts payable to related party 0 $ 0  
Maximum      
Related Party Transaction [Line Items]      
Reimbursement cost and expenses of related party $ 150