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Goodwill (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Goodwill |  |
Carrying amount of goodwill | $ 16,671 | $ 16,671
Terminalling and storage |  |
Goodwill |  |
Carrying amount of goodwill | 6,756 | 6,756
Specialty products |  |
Goodwill |  |
Carrying amount of goodwill | 4,229 | 4,229
Sulfur Services |  |
Goodwill |  |
Carrying amount of goodwill | 5,197 | 5,197
Transportation |  |
Goodwill |  |
Carrying amount of goodwill | $ 489 | $ 489

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