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Property and Equipment (Details) - USD ($)
$ in Thousands
Apr. 29, 2017
Jan. 28, 2017
Property Plant And Equipment [Line Items]    
Total property and equipment, gross $ 140,772 $ 125,451
Less accumulated depreciation and amortization (45,832) (42,342)
Total property and equipment, net 94,940 83,109
Furniture, fixtures, and equipment    
Property Plant And Equipment [Line Items]    
Total property and equipment, gross 56,370 52,719
Leasehold improvements    
Property Plant And Equipment [Line Items]    
Total property and equipment, gross 72,102 61,986
Construction in progress    
Property Plant And Equipment [Line Items]    
Total property and equipment, gross $ 12,300 $ 10,746