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Cash and Restricted Cash Equivalents (Details) - USD ($)
$ in Thousands
6 Months Ended
Aug. 03, 2019
Feb. 02, 2019
Aug. 04, 2018
Feb. 03, 2018
Restricted Cash and Cash Equivalents Items [Line Items]        
Cash $ 21,619 $ 20,485    
Restricted cash equivalents 450 450    
Total cash and restricted cash equivalents $ 22,069 $ 20,935 $ 28,592 $ 24,390
Minimum [Member]        
Restricted Cash and Cash Equivalents Items [Line Items]        
Restricted cash equivalents period of restriction 30 days      
Maximum [Member]        
Restricted Cash and Cash Equivalents Items [Line Items]        
Restricted cash equivalents period of restriction 60 days