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Significant Contracts - Schedule of License Agreements (Details) | 12 Months Ended
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Dec. 31, 2020
IM QVC Agreement [Member] |
Current Term Expiry | Sep. 30, 2021
Automatic Renewal | 1 year
Xcel Commenced Brand with QVC | September 2011
QVC Product Launch | 2010
Ripka QVC Agreement [Member] |
Current Term Expiry | Mar. 31, 2022
Automatic Renewal | 1 year
Xcel Commenced Brand with QVC | April 2014
QVC Product Launch | 1999
H QVC Agreement [Member] |
Current Term Expiry | Dec. 31, 2022
Automatic Renewal | 3 years
Xcel Commenced Brand with QVC | January 2015
QVC Product Launch | 2015
Longaberger QVC Agreement |
Current Term Expiry | Oct. 31, 2021
Automatic Renewal | 2 years
Xcel Commenced Brand with QVC | November 2019
QVC Product Launch | 2019

X
- Definition Term of the license arrangement renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | xelb_AutomaticRenewal
Namespace Prefix: | xelb_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date which license agreements is set to expire, in CCYY-MM-DD format. - date item type + References No definition available. + Details
Name: | xelb_CurrentTermExpiry
Namespace Prefix: | xelb_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the Product Launch, in CCYY-MM format. + References No definition available. + Details
Name: | xelb_QvcProductLaunch
Namespace Prefix: | xelb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the license arrangement commenced, in CCYY-MM format. + References No definition available. + Details
Name: | xelb_XcelCommencedBrandWithQvc
Namespace Prefix: | xelb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | xelb_AgreementTypeAxis=xelb_ImQvcAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | xelb_AgreementTypeAxis=xelb_RipkaQvcAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | xelb_AgreementTypeAxis=xelb_HQvcAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | xelb_AgreementTypeAxis=xelb_LongabergerQvcAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |