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Trademarks and Other Intangibles - Schedule of Assets (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2019 | Dec. 31, 2018
Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount, Total | $ 123,709 | $ 112,921
Accumulated Amortization | 6,362 | 3,932
Net Carrying Amount, Total | $ 117,347 | $ 108,989
Trademarks |  |
Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Weighted Average Amortization Period | 15 years | 15 years
Gross Carrying Amount (definite-lived) | $ 15,463 | $ 15,463
Accumulated Amortization | 4,294 | 3,521
Net Carrying Amount | $ 11,169 | $ 11,942
Other intellectual property |  |
Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Weighted Average Amortization Period | 7 years | 7 years
Gross Carrying Amount (definite-lived) | $ 762 | $ 561
Accumulated Amortization | 400 | 321
Net Carrying Amount | $ 362 | $ 240
Copyrights and other intellectual property |  |
Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Weighted Average Amortization Period | 10 years | 10 years
Gross Carrying Amount (definite-lived) | $ 190 | $ 190
Accumulated Amortization | 105 | 90
Net Carrying Amount | $ 85 | 100
Customer list |  |
Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Weighted Average Amortization Period | 5 years |
Gross Carrying Amount (definite-lived) | $ 200 |
Accumulated Amortization | 27 |
Net Carrying Amount | 173 |
Trademarks |  |
Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount (indefinite-lived) | $ 69,100 | $ 96,707
Halston Heritage | Trademarks |  |
Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Weighted Average Amortization Period | 18 years |
Gross Carrying Amount (definite-lived) | $ 37,994 |
Accumulated Amortization | 1,536 |
Net Carrying Amount | $ 36,458 |

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