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Revolving Line Of Credit - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Aug. 01, 2016
Jul. 30, 2016
Jul. 30, 2016
Aug. 01, 2015
Jan. 30, 2016
Wells Fargo Senior Secured Revolving Credit Facility          
Line Of Credit Facility [Line Items]          
Line of credit facility, maximum borrowing capacity   $ 135,000 $ 135,000    
Line of credit facility, amount outstanding   75,413 75,413   $ 31,202
Amounts in depository under lock-box arrangements   9,342 $ 9,342   5,939
Revolving credit facility, covenant term     The Revolving Line of Credit also requires us to maintain a minimum availability at all times of not less than 10% of the gross borrowing base, and in any event, not less than $5,000.    
Line of credit , maturity date     Dec. 03, 2019    
Deferred financing fees outstanding   375 $ 375   $ 455
Amortization of deferred financing fees $ 32 41 80 $ 63  
Wells Fargo Senior Secured Revolving Credit Facility | Minimum          
Line Of Credit Facility [Line Items]          
Line of credit facility available borrowing capacity   5,000 $ 5,000    
Line of credit facility gross borrowing base percentage     10.00%    
Wells Fargo Stand-by Commercial Letters of Credit          
Line Of Credit Facility [Line Items]          
Net borrowing available under revolving line of credit   $ 1,200 $ 1,200