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Summary of Significant Accounting Policies (Narrative) (Details) - USD ($)	12 Months Ended
	Jan. 30, 2022	Jan. 31, 2021
Catalog and advertising expenses	$ 75,200,000	$ 72,400,000
Shipping and processing expenses	321,260,000	307,257,000
Depreciation expense	25,100,000	24,200,000
Inventory reserves	2,400,000	1,600,000
Amortization expense of other assets	200,000
Accumulated amortization of other assets	600,000	700,000
Other-than-temporary impairment	0	0
Accounting Standards Update 2018-15 [Member]
Software hosting implementation costs amortization expense	200,000
Shipping and Handling [Member]
Shipping and processing expenses	44,300,000	46,900,000
Direct [Member]
Goodwill impairment loss	$ 0	$ 0
Inventory Expenditures [Member] | Supplier Concentration Risk [Member] | Supplier One [Member]
Concentration risk, percentage	53.00%	60.00%
Inventory Expenditures [Member] | Supplier Concentration Risk [Member] | Supplier Two [Member]
Concentration risk, percentage	8.00%	10.00%
Minimum [Member]
Period for amounts receivable from credit card issuers converted to cash	2 days
Other assets amortization estimated useful life	3 years
Maximum [Member]
Period for amounts receivable from credit card issuers converted to cash	4 days
Other assets amortization estimated useful life	15 years
Unvested Restricted Stock [Member]
Stock compensation expense	$ 2,000,000.0	$ 1,500,000
Unrecognized compensation expense	$ 3,600,000
Unrecognized compensation expense, weighted average recognition period	2 years 3 months 18 days
Unvested Restricted Stock [Member] | Board Members [Member]
Stock-based compensation, vesting period	1 year
Unvested Restricted Stock [Member] | Key Employees And Executives [Member] | Minimum [Member]
Stock-based compensation, vesting period	3 years
Unvested Restricted Stock [Member] | Key Employees And Executives [Member] | Maximum [Member]
Stock-based compensation, vesting period	5 years

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