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Stockholders' Equity - Restricted Stock Units (Details)
1 Months Ended 12 Months Ended
Apr. 04, 2015
USD ($)
item
$ / shares
shares
Mar. 31, 2014
USD ($)
item
$ / shares
shares
Jan. 28, 2017
USD ($)
shares
Jan. 30, 2016
USD ($)
shares
Jan. 31, 2015
USD ($)
Stockholders' Equity          
(Decrease) increase in excess tax benefits (in dollars) | $     $ 168,000 $ 1,312,000 $ 342,000
Restricted Stock          
Stockholders' Equity          
Compensation expense (in dollars) | $     $ 2,900,000 4,100,000 4,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period | shares     134,710    
Restricted Stock | Director          
Stockholders' Equity          
Vesting period     1 year    
RSU          
Stockholders' Equity          
Vesting period 3 years 3 days      
Compensation expense (in dollars) | $ $ 331,000 $ 238,000      
Number of employees to whom awards are granted | item 2 2      
Percentage of vesting upon achieving closing stock price for a 20 consecutive day period 25.00% 25.00%      
Consecutive period for which closing stock price should be achieved to vest shares 20 days 20 days      
Target price for vesting of shares, one (in dollars per share) | $ / shares $ 27.00 $ 20.75      
Target price for vesting of shares, two (in dollars per share) | $ / shares 29.25 23.50      
Target price for vesting of shares, three (in dollars per share) | $ / shares 31.50 26.25      
Target price for vesting of shares, four (in dollars per share) | $ / shares $ 33.50 $ 29.00      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period | shares 16,823 24,816      
Stock Options          
Stockholders' Equity          
Compensation expense (in dollars) | $     $ 0 $ 0 $ 0
Awards outstanding (in shares) | shares       16,700  
Award exercisable period from the date of grant       10 years  
Stock Options | Employee          
Stockholders' Equity          
Vesting period       4 years  
Stock Options | Director | Minimum          
Stockholders' Equity          
Vesting period       1 year  
Stock Options | Director | Maximum          
Stockholders' Equity          
Vesting period       3 years