Employee Benefit Plan (Details) - USD ($)	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Compensation and Retirement Disclosure [Abstract]
Discretionary matching and profit sharing contributions, vesting period	5 years
Employer discretionary contribution amount	$ 500,000	$ 363,800	$ 309,700