XML 93 R77.htm IDEA: XBRL DOCUMENT v3.8.0.1
Employee Benefit Plans - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Feb. 03, 2018
Jan. 28, 2017
Jan. 30, 2016
Employee Benefit Plans (Textual) [Abstract]      
Contribution made by employees 20.00%    
Contributions made by company $ 0 $ 123 $ 144
Cumulative plan forfeitures applied against company matching contribution   $ 20  
Discretionary contributions to the plan 6 years