Segment Information - Revenue by Sales Channel (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 29, 2018	Jul. 30, 2017	Jul. 29, 2018	Jul. 30, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 163,211	$ 153,127	$ 293,640	$ 296,929
Sales Channel, Through Intermediary
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	109,844	100,121	212,317	194,643
Sales Channel, Directly to Consumer
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	53,367	56,203	102,824	110,763
Other: Warrant Shares
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue offset	$ 0	$ (3,197)	$ (21,501)	$ (8,477)