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Stock Repurchase Plan - Additional Information (Detail) - USD ($)
 12 Months Ended 20 Months Ended
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Jan. 30, 2016
May 22, 2014
Equity, Class of Treasury Stock [Line Items]          
Repurchase and retirement of common stock, shares       1,921,423  
Repurchase and retirement of common stock   $ 25,196,000 $ 4,803,000 $ 30,000,000  
Weighted average price       $ 15.61  
Stock repurchases during period 0        
Maximum [Member]          
Equity, Class of Treasury Stock [Line Items]          
Stock repurchase program, Authorized amount         $ 30,000,000