Stockholders' Equity - Time-Based Nonvested Restricted Stock Granted to Employees (Details) - USD ($)	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Restricted Stock
Stockholders' Equity
Compensation expense (in dollars)	$ 2,900,000	$ 4,100,000	$ 4,000,000
Future compensation expense to be recognized (in dollars)	$ 2,000,000
Period for recognition of future compensation expense over the requisite service period	3 years
Restricted Stock | Director
Stockholders' Equity
Vesting period	1 year
Restricted Stock that Vest Equally on Four Anniversaries from Date of Grant
Stockholders' Equity
Vesting period	4 years
Restricted Stock that Vest over Three Anniversaries from Date of Grant
Stockholders' Equity
Vesting period	3 years
First vesting year from the anniversary of the date of grant		1 year
Second vesting year from the anniversary of the date of grant		2 years
Third vesting year from anniversary of the date of grant		3 years
Rate at which nonvested restricted stock vests on the first and second anniversaries (as a percent)	25.00%
Rate at which nonvested restricted stock vests on the third anniversary (as a percent)	50.00%
Stock Options
Stockholders' Equity
Compensation expense (in dollars)	$ 0	$ 0	$ 0
Stock Options | Employee
Stockholders' Equity
Vesting period		4 years
Stock Options | Director | Minimum
Stockholders' Equity
Vesting period		1 year
Stock Options | Director | Maximum
Stockholders' Equity
Vesting period		3 years