Summary of Significant Accounting Policies - Changes in Carrying Value of Intangible Assets (Details) - USD ($) $ in Thousands		12 Months Ended
		Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Intangible Assets By Major Class [Line Items]
January 30, 2016		$ 2,669
Amortization		(441)	$ (600)	$ (1,100)
January 28, 2017		2,228	2,669
Casual Male Trademark
Intangible Assets By Major Class [Line Items]
January 30, 2016		940
Amortization		(341)
January 28, 2017		599	940
Other Intangible Assets
Intangible Assets By Major Class [Line Items]
January 30, 2016	[1]	229
Amortization	[1]	(100)
January 28, 2017	[1]	129	229
Rochester Trademark
Intangible Assets By Major Class [Line Items]
January 30, 2016		1,500
January 28, 2017		$ 1,500	$ 1,500

[1] Other intangibles consist of customer lists, which have a finite life of 16 years based on its estimated economic useful life. At January 28, 2017, customer lists have a remaining life of 1.3 years.