Amount of liability recognized from contingent consideration in asset acquisition, classified as current.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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The amount the entity has committed to make for future royalty guarantees.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 440
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Percentage of net consideration the entity is entitled to receive from any future capital transaction.

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Threshold amount of net consideration that must be exceeded in a future capital transaction before the entity's right becomes effective.

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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.

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Amount of liability recognized arising from contingent obligations, expected to be settled within one year or the normal operating cycle, if longer.

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Amount of adjustments of expense (income) to carrying value of contingent contractual obligations.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting transferable should certain conditions be met.

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Commitments and Contingencies - Narrative (Details) - USD ($) $ in Thousands				3 Months Ended		9 Months Ended
	Sep. 26, 2025	Mar. 31, 2025	Apr. 12, 2024	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2025	Apr. 15, 2025	Sep. 30, 2024	May 31, 2022
Commitments and Contingencies
Contingent obligation					$ 4,213
IM Topco, LLC
Commitments and Contingencies
Ownership interest							30.00%		30.00%
Contingent obligation		$ 3,970		$ 3,970
Expense (income) to carrying value of contingent contractual obligations				$ (240)		$ (240)
Capital appreciation right, percent	15.00%
Capital appreciation right, threshold	$ 46,000
WHP \| IM Topco, LLC
Commitments and Contingencies
Ownership equity transferable		12.50%
Current portion of contingent obligation					4,210			$ 6,250
Expense (income) to carrying value of contingent contractual obligations					$ (2,040)
Amended Services Agreement \| Xcel Brands \| IM Topco, LLC
Commitments and Contingencies
Ownership interest			30.00%
Amended Services Agreement \| WHP \| IM Topco, LLC
Commitments and Contingencies
Ownership interest			70.00%
Amended Services Agreement \| Twelve-month period ending March 31, 2025
Commitments and Contingencies
Royalty guarantees			$ 13,500
Amended Services Agreement \| Year ending December 31, 2025
Commitments and Contingencies
Royalty guarantees			$ 18,000
Amended Services Agreement \| If Royalties Receivable Less Than Specified Amount
Commitments and Contingencies
Ownership equity transferable			12.50%
Amended Services Agreement \| If Royalties Receivable Less Than Specified Amount \| Xcel Brands \| IM Topco, LLC
Commitments and Contingencies
Ownership interest			17.50%
Amended Services Agreement \| If Royalties Receivable Less Than Specified Amount \| WHP \| IM Topco, LLC
Commitments and Contingencies
Ownership interest			82.50%