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Summary of Significant Accounting Policies - PPE and Insurance Liabilities (Details) - USD ($) | 12 Months Ended
--- | ---
Feb. 03, 2018 | Jan. 28, 2017 | Jan. 30, 2016
Fiscal Year |  |  |
Length of fiscal year | 371 days | 364 days | 364 days
Impairment of long lived assets |  |  |
Non-cash impairment expense related to leasehold improvements and fixtures and equipment | $ 500,000 | $ 300,000 | $ 0
Insurance Liabilities |  |  |
Self-insured retention or deductible amount per claim for workers' compensation | 250,000 |  |
Self-insured retention or deductible amount per claim for employee medical | $ 100,000 |  |
Furniture and Fixtures | Minimum |  |  |
Property and Equipment, net |  |  |
Estimated useful lives | 3 years |  |
Furniture and Fixtures | Maximum |  |  |
Property and Equipment, net |  |  |
Estimated useful lives | 5 years |  |
Leasehold Improvements | Minimum |  |  |
Property and Equipment, net |  |  |
Estimated useful lives | 5 years |  |
Leasehold Improvements | Maximum |  |  |
Property and Equipment, net |  |  |
Estimated useful lives | 7 years |  |
Building and Building Improvements | Minimum |  |  |
Property and Equipment, net |  |  |
Estimated useful lives | 15 years |  |
Building and Building Improvements | Maximum |  |  |
Property and Equipment, net |  |  |
Estimated useful lives | 20 years |  |

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- Definition The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2921-110230 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1361-107760 + Details
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