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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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