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Earnings per Share - Potential Common Stock Equivalents Excluded From Computation of Diluted Earning Per Share (Details) - $ / shares
shares in Thousands
3 Months Ended 6 Months Ended
Aug. 01, 2020
Aug. 03, 2019
Aug. 01, 2020
Aug. 03, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti dilutive shares 178   206 415
Stock options        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti dilutive shares 3,676 865 3,676 850
Range of exercise prices of such options, minimum $ 0.53 $ 1.85 $ 0.53 $ 2.00
Range of exercise prices of such options, maximum $ 7.02 $ 7.02 $ 7.02 $ 7.02
Restricted stock units        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti dilutive shares 963 1,056 963 1,040
Restricted and deferred stock        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti dilutive shares 160 85 160 63