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Intangible Assets - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Aug. 03, 2019
Jul. 28, 2018
Aug. 03, 2019
Jul. 28, 2018
Impairment of Intangible Assets (Excluding Goodwill) [Abstract]        
Impairments of intangible assets $ 0 $ 0 $ 0 $ 0
Amortization expense $ 2,100,000 $ 2,000,000 $ 1,100,000 $ 1,000,000