Equity - Non-Redeemable Preferred Stock (Details) - USD ($) $ in Thousands	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Non-Redeemable Preferred Stock
Preferred stock	$ 1,060	$ 1,077
Employees’ Subordinated Convertible Preferred
Non-Redeemable Preferred Stock
Shares Authorized (in shares)	5,000,000
Number of Shares (in shares)	37,646	38,196	44,836
Preferred stock	$ 1,129	$ 1,146	$ 1,345
Stated Value of Issued Shares
Non-Redeemable Preferred Stock
Preferred stock	1,129	1,146	1,345
Employees’ Preferred Stock Purchase Accounts
Non-Redeemable Preferred Stock
Preferred stock	(69)	(69)	(71)	$ (77)
Non-Redeemable Preferred Stock
Non-Redeemable Preferred Stock
Preferred stock	$ 1,060	$ 1,077	$ 1,274	$ 1,305