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Stock Based Compensation Additional - (Details) - Class A Common Stock - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Aug. 01, 2020	Aug. 03, 2019	Aug. 01, 2020	Aug. 03, 2019	Feb. 01, 2020
Restricted Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized Compensation Expense	$ 13,007,000		$ 13,007,000		$ 11,900,000
Remaining Weighted-Average Vesting Period			2 years 7 months 6 days		2 years 2 months 12 days
Compensation Expense	$ 1,253,000	$ 1,495,000	$ 1,859,000	$ 2,140,000
Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares Sold			26,957	26,078
Compensation Expense			$ 44,000	$ 56,000
Employee Stock Purchase Plan Share Purchase Discount	$ 1.64	$ 2.16	$ 1.64	$ 2.16