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Income Taxes - Income Tax (Benefit) Expense Components (Details)
 3 Months Ended 12 Months Ended 13 Months Ended 23 Months Ended
Feb. 03, 2018
USD ($)
Feb. 02, 2019
USD ($)
item
Feb. 03, 2018
USD ($)
Jan. 28, 2017
USD ($)
Feb. 02, 2019
USD ($)
Dec. 31, 2017
Income Taxes            
Benefits not recognized due to uncertainty   $ 0     $ 0  
Work opportunity tax benefits not recognized due to uncertainty   $ 0     $ 0  
Number of states in which ability to utilize tax credits is no longer more likely than not | item   1        
Credits carry back period   1 year        
Credits carry forward period   20 years        
Income tax benefit related to federal and state tax credits   $ 1,700,000 $ 1,300,000 $ 1,800,000    
Federal statutory tax rate   33.70%     21.00% 35.00%
Reduction in income tax expense due to Tax Cuts and Jobs Act tax reform legislation     300,000      
Reduction of net deferred tax assets $ 1,900,000   $ 1,925,000