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Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) | 12 Months Ended
--- | ---
Jan. 28, 2024 | Jan. 29, 2023
Significant Accounting Policies [Line Items] |  |
Catalog and advertising expenses | $ 69,000,000.0 | $ 76,300,000
Shipping and processing expenses | 321,710,000 | 309,872,000
Depreciation expense | 28,000,000.0 | 26,700,000
Inventory reserves | 1,400,000 | 1,800,000
Amortization expense of other assets | 200,000 | 200,000
Accumulated amortization of other assets | 1,000,000.0 | 800,000
Other-than-temporary impairment | 0 | 0
Accounting Standards Update 2018-15 [Member] |  |
Significant Accounting Policies [Line Items] |  |
Software hosting implementation costs amortization expense | 5,000,000.0 | 3,600,000
Hosting Arrangement, Service Contract, Implementation Cost, Capitalized, Accumulated Amortization | 10,400,000 | 5,400,000
Shipping and Handling [Member] |  |
Significant Accounting Policies [Line Items] |  |
Shipping and processing expenses | 47,200,000 | 44,000,000.0
Direct [Member] |  |
Significant Accounting Policies [Line Items] |  |
Goodwill impairment loss | $ 0 | $ 0
Inventory Expenditures [Member] | Supplier Concentration Risk [Member] | Supplier One [Member] |  |
Significant Accounting Policies [Line Items] |  |
Concentration risk, percentage | 59.00% | 56.00%
Inventory Expenditures [Member] | Supplier Concentration Risk [Member] | Supplier Two [Member] |  |
Significant Accounting Policies [Line Items] |  |
Concentration risk, percentage | 10.00% | 11.00%
Minimum [Member] |  |
Significant Accounting Policies [Line Items] |  |
Period for amounts receivable from credit card issuers converted to cash | 2 days |
Other assets amortization estimated useful life | 3 years |
Maximum [Member] |  |
Significant Accounting Policies [Line Items] |  |
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] |  |
Significant Accounting Policies [Line Items] |  |
Stock compensation expense | $ 4,200,000 | $ 2,700,000
Unrecognized compensation expense | $ 6,400,000 |
Unrecognized compensation expense, weighted average recognition period | 2 years 3 months 18 days |
Unvested Restricted Stock [Member] | Board Members [Member] |  |
Significant Accounting Policies [Line Items] |  |
Stock-based compensation, vesting period | 1 year |
Unvested Restricted Stock [Member] | Key Employees And Executives [Member] | Minimum [Member] |  |
Significant Accounting Policies [Line Items] |  |
Stock-based compensation, vesting period | 3 years |
Unvested Restricted Stock [Member] | Key Employees And Executives [Member] | Maximum [Member] |  |
Significant Accounting Policies [Line Items] |  |
Stock-based compensation, vesting period | 5 years |

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