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Income Taxes - Schedule of Reconciliation of Beginning and Ending Gross Amount of Unrecognized Tax Benefits (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jan. 30, 2016
Jan. 31, 2015
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]    
Beginning balance $ 3,018 $ 3,115
Net (decreases) increases in unrecognized tax benefits as a result of current year activity 81 (97)
Ending balance $ 3,099 $ 3,018