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Revenue Recognition - Additional Information (Details) $ in Millions | 6 Months Ended |
--- | --- | ---
Jul. 30, 2022 USD ($) Segment | Jan. 29, 2022 USD ($)
Revenue from Contract with Customer [Abstract] |  |
Gift card liability, net of breakage | $ 2.3 | $ 3.3
Percentage of customers participate in loyalty program | 90.00% |
Loyalty accrual, net of breakage | $ 1.1 | $ 1.3
Number of reportable segments | Segment | 1 |

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

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

X
- Definition Percentage of customers participate in loyalty program. + References No definition available. + Details
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Namespace Prefix: | dxlg_
Data Type: | dtr-types:percentItemType
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8672-108599 + Details
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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration