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Intangible Assets - Weighted Average Period (Details) - USD ($)
$ in Thousands
3 Months Ended
May 04, 2019
May 05, 2018
Acquired Finite-Lived Intangible Assets [Line Items]    
Amortization of Intangible Assets $ 200 $ 400
Trademarks    
Acquired Finite-Lived Intangible Assets [Line Items]    
Residual values $ 0  
Weighted-average amortization period 10 years