XML 43 R32.htm IDEA: XBRL DOCUMENT
v3.19.1

Leases - Additional Information (Details) | 3 Months Ended
--- | ---
May 04, 2019 RenewalOption
Lessee Lease Description [Line Items] |
Operating lease renewal option beginning year | 2026
Store |
Lessee Lease Description [Line Items] |
Operating lease option to extend | 5 years
Store | Minimum |
Lessee Lease Description [Line Items] |
Operating lease initial term | 5 years
Store | Maximum |
Lessee Lease Description [Line Items] |
Operating lease initial term | 10 years
Operating lease option to extend | 5 years
Corporate Headquarter |
Lessee Lease Description [Line Items] |
Operating lease initial term | 20 years
Operating lease option to extend | 5 years
Number of renewal options | 6
Equipment and Other Assets | Minimum |
Lessee Lease Description [Line Items] |
Operating lease initial term | 3 years
Equipment and Other Assets | Maximum |
Lessee Lease Description [Line Items] |
Operating lease initial term | 5 years

X
- Definition Lessee operating lease renewal option beginning year. + References No definition available. + Details
Name: | dxlg_LesseeOperatingLeaseRenewalOptionBeginningYear
Namespace Prefix: | dxlg_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of renewal option. + References No definition available. + Details
Name: | dxlg_NumberOfRenewalOption
Namespace Prefix: | dxlg_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_LesseeLeaseDescriptionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseRenewalTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=dxlg_StoreMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=dxlg_CorporateHeadquarterMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=dxlg_EquipmentAndOtherAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |