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Stock Based Compensation - Additional Information (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Aug. 02, 2014
Aug. 03, 2013
Aug. 02, 2014
Aug. 03, 2013
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Description and Terms     Under the terms of the restricted stock unit agreements, twenty-five percent of the outstanding restricted stock units vested on the effective date of the registration statement relating to the initial public offering because such date occurred within the first vesting period of the outstanding restricted stock units. The Company recognized $1,208 of stock-based compensation expense as a result of the change in the vesting date. The remaining non-vested restricted stock units will vest one third annually on each of the first three anniversaries of the effective date of the registration statement relating to the initial public offering  
Share based compensation expense $ 524 $ 0 $ 2,258 $ 0
Restricted Stock Units
       
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Outstanding restricted stock units vested, percentage     25.00%  
Share based compensation expense     $ 1,208  
Restricted Stock Units | Non Vested
       
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Outstanding restricted stock units vested, percentage     33.33%