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Stock-Based Compensation - Narrative (Details) - USD ($)
$ in Millions
9 Months Ended 12 Months Ended
Oct. 29, 2016
Jan. 30, 2016
Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting rate   25.00%  
Vesting period 4 years 4 years  
Expiration period   10 years  
Total unrecognized stock-based compensation expense related to unvested stock options and restricted stock grants $ 4.9    
Weighted average recognition period 2 years 5 months 18 days    
Independent directors      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting rate 50.00%    
Employee      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting rate 25.00%    
2012 Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares available for issuance (in shares) 2,071,935    
2012 Plan | Class A common stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common shares authorized (in shares)     4,413,900