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Related Party Transactions - Schedule of the Impact of Related Party Transactions (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Revenues: |  |  |
Revenues |  | $ 180,830 | $ 244,529
Cost of products sold: |  |  |
Cost of products sold |  | 77,647 | 139,818
Operating expenses: |  |  |
Operating expenses | [1] | 63,934 | 62,745
Selling, general and administrative: |  |  |
Selling, general and administrative | [1] | 8,913 | 11,172
Terminalling and storage |  |  |
Revenues: |  |  |
Revenues | [1] | 22,517 | 20,858
Transportation |  |  |
Revenues: |  |  |
Revenues | [1] | 58,307 | 55,723
Specialty products |  |  |
Revenues: |  |  |
Revenues | [1] | 66,325 | 132,269
Cost of products sold: |  |  |
Cost of products sold | [1] | 57,230 | 117,995
Product sales |  |  |
Revenues: |  |  |
Revenues | [1] | 96,529 | 164,590
Sulfur services |  |  |
Revenues: |  |  |
Revenues | [1] | 30,204 | 32,321
Cost of products sold: |  |  |
Cost of products sold | [1] | 20,399 | 21,817
Terminalling and storage |  |  |
Cost of products sold: |  |  |
Cost of products sold | [1] | 18 | 6
Related Party |  |  |
Revenues: |  |  |
Revenues |  | 27,279 | 23,938
Cost of products sold: |  |  |
Cost of products sold |  | 9,584 | 12,224
Operating expenses: |  |  |
Operating expenses |  | 26,423 | 23,827
Selling, general and administrative: |  |  |
Selling, general and administrative |  | 6,863 | 8,516
Related Party | Indirect, including overhead allocation |  |  |
Selling, general and administrative: |  |  |
Selling, general and administrative |  | 3,582 | 3,625
Related Party | Terminalling and storage |  |  |
Revenues: |  |  |
Revenues |  | 18,549 | 17,502
Operating expenses: |  |  |
Operating expenses |  | 5,328 | 4,763
Selling, general and administrative: |  |  |
Selling, general and administrative |  |  | 236
Selling, general and administrative |  | (58) |
Related Party | Transportation |  |  |
Revenues: |  |  |
Revenues |  | 8,601 | 5,511
Operating expenses: |  |  |
Operating expenses |  | 19,773 | 18,064
Selling, general and administrative: |  |  |
Selling, general and administrative |  | 1,827 | 2,263
Related Party | Specialty products |  |  |
Revenues: |  |  |
Revenues |  | 101 | 872
Cost of products sold: |  |  |
Cost of products sold |  | 6,573 | 9,510
Selling, general and administrative: |  |  |
Selling, general and administrative |  | 736 | 1,311
Related Party | Product sales |  |  |
Revenues: |  |  |
Revenues |  | 129 | 925
Related Party | Sulfur services |  |  |
Revenues: |  |  |
Revenues |  | 28 | 53
Cost of products sold: |  |  |
Cost of products sold |  | 2,993 | 2,708
Operating expenses: |  |  |
Operating expenses |  | 1,322 | 1,000
Selling, general and administrative: |  |  |
Selling, general and administrative |  | 776 | 1,081
Related Party | Terminalling and storage |  |  |
Cost of products sold: |  |  |
Cost of products sold |  | $ 18 | $ 6
[1] | Related Party Transactions Included Above
|  |  | Three Months Ended
|  |  | March 31,
|  |  |  |  | 2024 |  | 2023
Revenues:* |  |  |  |  |  |  |
Terminalling and storage |  |  |  |  | $ | 18,549 |  |  | $ | 17,502 |
Transportation |  |  |  |  | 8,601 |  |  | 5,511 |
Product Sales |  |  |  |  | 129 |  |  | 925 |
Costs and expenses:* |  |  |  |  |  |  |
Cost of products sold: (excluding depreciation and amortization) |  |  |  |  |  |  |
Specialty products |  |  |  |  | 6,573 |  |  | 9,510 |
Sulfur services |  |  |  |  | 2,993 |  |  | 2,708 |
Terminalling and storage |  |  |  |  | 18 |  |  | 6 |
Expenses: |  |  |  |  |  |  |
Operating expenses |  |  |  |  | 26,423 |  |  | 23,827 |
Selling, general and administrative |  |  |  |  | 6,863 |  |  | 8,516 |

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