Employee Benefit Plan (Details) - USD ($)	12 Months Ended
Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Retirement Benefits [Abstract]
Discretionary matching and profit sharing contributions, vesting period	5 years
Employer discretionary contribution amount	$ 500,000	$ 473,600	$ 363,800

Amount of discretionary contributions made by an employer to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration