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Recent Accounting Pronouncements (Details) - USD ($)
$ in Thousands
Aug. 02, 2019
Feb. 02, 2019
Feb. 01, 2019
Aug. 03, 2018
May 04, 2018
Feb. 02, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Operating Lease, Right-of-Use Asset $ 28,980 $ 27,494 $ 0 $ 0   $ 0
Operating Lease, Liability, Current 6,997 9,892 0      
Operating Lease, Liability, Noncurrent 26,911 21,700 0 0    
Accumulated deficit $ (28,732) (18,900) (17,159) $ (36,665) $ (31,380) $ (29,810)
Impact of adoption            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Operating Lease, Right-of-Use Asset   27,494        
Accumulated deficit   (1,741)        
Revenue recognition            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Operating Lease, Liability, Current   9,892        
Operating Lease, Liability, Noncurrent   $ 21,700        
Revenue recognition | Other Current Liabilities [Member] | Gift card breakage            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Cumulative effect of accounting changes     $ (1,100)