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Summary of Significant Accounting Policies - Revenue Recognition (Details) $ in Millions	Dec. 31, 2023 USD ($)
Halston License
Summary Of Significant Accounting Policies [Line Items]
Deferred revenue	$ 4.4

X

- Definition

Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(26)(c))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

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Namespace Prefix:	xelb_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

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