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Investments in Unconsolidated Affiliates and Variable Interest Entities - Sale of Majority Interest in Isaac Mizrahi Brand, Investment in IM Topco, LLC (Details) - USD ($)			3 Months Ended		9 Months Ended
	Apr. 12, 2024	May 31, 2022	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on divestiture of Lori Goldstein brand					$ 3,801,000
Loss from equity method investment					(1,683,000)	$ (1,545,000)
Current portion of contingent obligation			$ 6,300,000		$ 6,300,000
If Royalties Receivable Less Than Specified Amount
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership equity transferable					12.50%
Royalty guarantees			$ 13,500,000		$ 13,500,000
IM Topco, LLC
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership interest		30.00%	30.00%		30.00%
IM Topco, LLC
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss from equity method investment			$ (520,000)	$ (520,000)	$ 1,550,000	$ 1,550,000
WHP \| IM Topco, LLC
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net cash flow distributable to members (in percent)	50.00%
Net cash flow distributable to members	$ 1,000,000
Current portion of contingent obligation			$ 6,300,000		$ 6,300,000
Business Venture Agreement
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net cash flow distributable to members (in percent)		100.00%
Net cash flow distributable to members		$ 1,316,200
Business Venture Agreement \| WHP
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net cash flow distributable to members (in percent)		100.00%
Net cash flow distributable to members		$ 8,852,000
Disposed of by Sale \| WHP \| IM Topco, LLC
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership interest		70.00%	70.00%		70.00%