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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

X
- Definition Number Of Years For Matched Contributions To Vest + References No definition available. + Details
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Balance Type: | na
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- References No definition available. + Details
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X
- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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