Summary of Significant Accounting Policies - Changes in Carrying Value of Intangible Assets (Details) - USD ($) $ in Thousands		12 Months Ended
		Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Intangible Assets By Major Class [Line Items]
January 28, 2017		$ 2,228
Amortization		(407)	$ (400)	$ (600)
February 3, 2018		1,821	2,228
Casual Male Trademark
Intangible Assets By Major Class [Line Items]
January 28, 2017		599
Amortization		(307)
February 3, 2018		292	599
Other Intangible Assets
Intangible Assets By Major Class [Line Items]
January 28, 2017	[1]	129
Amortization	[1]	(100)
February 3, 2018	[1]	29	129
Rochester Trademark
Intangible Assets By Major Class [Line Items]
January 28, 2017		1,500
February 3, 2018		$ 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 February 3, 2018, customer lists have a remaining life of 3 months.