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Revenue Recognition - Additional Information (Details) $ in Millions | 3 Months Ended |
--- | --- | ---
May 04, 2024 USD ($) Segment | Feb. 03, 2024 USD ($)
Revenue from Contract with Customer [Abstract] |  |
Gift card liability, net of breakage | $ 2.4 | $ 3.2
Loyalty accrual, net of breakage | $ 1.4 | $ 1.7
Number of reportable segments | Segment | 1 |

X
- Definition Gift card liability net of breakage. + References No definition available. + Details
Name: | dxlg_GiftCardLiabilityNetOfBreakage
Namespace Prefix: | dxlg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Loyalty accrual net of breakage current. + References No definition available. + Details
Name: | dxlg_LoyaltyAccrualNetOfBreakageCurrent
Namespace Prefix: | dxlg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-18 + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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