Benefit Plans (Details) - 401(k) Savings Plan - USD ($)	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Disclosure Text Block Supplement [Abstract]
Defined Contribution Plan Maximum Percentage of salary can be contributed	80.00%
Defined Contribution Plan Employers Matching Contribution Vesting Period	4 years
Defined Contribution Plan, Cost	$ 592,000	$ 424,000	$ 437,000