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Stock Based Compensation Additional - (Details) - Class A Common Stock - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 31, 2020	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019	Feb. 01, 2020
Restricted Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized Compensation Expense	$ 11,778,000		$ 11,778,000		$ 11,900,000
Remaining Weighted-Average Vesting Period			2 years 4 months 24 days		2 years 2 months 12 days
Compensation Expense	$ 1,082,000	$ 1,211,000	$ 2,941,000	$ 3,351,000
Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares Sold			48,191	44,330
Compensation Expense			$ 69,000	$ 99,000
Employee Stock Purchase Plan Share Purchase Discount	$ 1.43	$ 2.24	$ 1.43	$ 2.24