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Employee Benefit Plans - ESOP Plan - (Details) - USD ($) | 12 Months Ended
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Feb. 02, 2019 | Feb. 03, 2018 | Jan. 28, 2017
Compensation and Retirement Disclosure [Abstract] |  |  |
Employer Cash Contributions to ESOP | $ 1,229,000 | $ 1,026,000 | $ 689,000

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- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition This item represents the amount of cash contributions during the period made by the entity to the Employee Stock Ownership Plan (ESOP). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109244661&loc=d3e17540-113929 + Details
Name: | us-gaap_EmployeeStockOwnershipPlanESOPCashContributionsToESOP
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration