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Trademarks and Other Intangibles - Schedule of Trademarks and Other Intangibles (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Trademarks and Other Intangibles
Gross Carrying Amount, Total	$ 114,371	$ 104,032
Accumulated Amortization	14,512	10,497
Net Carrying Amount	55,359
Net Carrying Amount, Total	$ 99,859	$ 93,535
Trademarks
Trademarks and Other Intangibles
Weighted Average Amortization Period	15 years	15 years
Gross Carrying Amount (definite-lived)	$ 20,386	$ 20,386
Accumulated Amortization	6,674	5,640
Net Carrying Amount	$ 13,712	$ 14,746
Other intellectual property
Trademarks and Other Intangibles
Weighted Average Amortization Period	7 years	7 years
Gross Carrying Amount (definite-lived)	$ 762	$ 762
Accumulated Amortization	619	537
Net Carrying Amount	$ 143	$ 225
Copyrights and other intellectual property
Trademarks and Other Intangibles
Weighted Average Amortization Period	9 years	10 years
Gross Carrying Amount (definite-lived)	$ 229	$ 190
Accumulated Amortization	146	128
Net Carrying Amount	83	62
Trademarks
Trademarks and Other Intangibles
Gross Carrying Amount (indefinite-lived)	$ 44,500	$ 44,500
Halston Heritage | Trademarks
Trademarks and Other Intangibles
Weighted Average Amortization Period	18 years	18 years
Gross Carrying Amount (definite-lived)	$ 38,194	$ 38,194
Accumulated Amortization	5,786	4,192
Net Carrying Amount	$ 32,408	$ 34,002
Lori Goldstein Brand | Trademarks
Trademarks and Other Intangibles
Weighted Average Amortization Period	4 years
Gross Carrying Amount (definite-lived)	$ 10,300
Accumulated Amortization	1,287
Net Carrying Amount	$ 9,013

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