Stock Based Compensation Additional - (Details) - Class A Common Stock - USD ($)	3 Months Ended	9 Months Ended	12 Months Ended
Nov. 03, 2018	Oct. 28, 2017	Nov. 03, 2018	Oct. 28, 2017	Feb. 03, 2018
Restricted Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized Compensation Expense	$ 13,373,000	$ 13,055,000	$ 13,373,000	$ 13,055,000	$ 11,727,000
Remaining Weighted-Average Vesting Period			2 years 4 months 24 days	2 years 2 months 12 days	2 years
Compensation Expense	$ 1,233,000	$ 1,185,000	$ 3,601,000	$ 2,911,000
Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares Sold			40,477	31,466
Compensation Expense			$ 91,000	$ 79,000
Employee Stock Purchase Plan Share Purchase Discount	$ 2.26	$ 2.5	$ 2.26	$ 2.5

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Unrecognized cost of unvested share-based compensation awards.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Number of share instruments newly issued under a share-based compensation plan.

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