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Impairment of Long-Lived Assets (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Aug. 04, 2018
Jul. 29, 2017
Aug. 04, 2018
Jul. 29, 2017
Impairment of Long-Lived Assets        
Impairment expense related to leasehold improvements and fixtures and equipment $ 942 $ 77 $ 942 $ 77