Basis of Financial Statement Presentation - Reconciliation of Cash and Restricted Cash Equivalents (Details) - USD ($) $ in Thousands	9 Months Ended
	Nov. 03, 2018	Feb. 03, 2018	Oct. 28, 2017	Jan. 28, 2017
Restricted Cash and Cash Equivalents Items [Line Items]
Cash	$ 23,528	$ 23,940	$ 23,334	$ 32,647
Restricted cash equivalents	450	450	450	450
Total cash and restricted cash equivalents	$ 23,978	$ 24,390	$ 23,784	$ 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