Quarterly report pursuant to Section 13 or 15(d)

Basis of Financial Statement Presentation - Reconciliation of Cash and Restricted Cash Equivalents (Details)

v3.10.0.1
Basis of Financial Statement Presentation - Reconciliation of Cash and Restricted Cash Equivalents (Details) - USD ($)
$ in Thousands
6 Months Ended
Aug. 04, 2018
Feb. 03, 2018
Jul. 29, 2017
Jan. 28, 2017
Restricted Cash and Cash Equivalents Items [Line Items]        
Cash $ 28,142 $ 23,940 $ 22,059 $ 32,647
Restricted cash equivalents 450 450 450 450
Total cash and restricted cash equivalents $ 28,592 $ 24,390 $ 22,509 $ 33,097
Minimum [Member]        
Restricted Cash and Cash Equivalents Items [Line Items]        
Restricted cash equivalents period of restriction 30 days      
Maximum [Member]        
Restricted Cash and Cash Equivalents Items [Line Items]        
Restricted cash equivalents period of restriction 60 days