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Related Party Transactions (Tables) | 9 Months Ended
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Sep. 30, 2025
Related Party Transactions [Abstract] |
Schedule of Impact of Related Party Transactions | The impact of related party revenues from sales of products and services is reflected in the consolidated and condensed financial statements as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Revenues: |  |  |  |  |  |  |
Terminalling and storage | $ | 18,622 |  |  | $ | 17,785 |  |  | $ | 54,105 |  |  | $ | 54,412 |
Transportation | 6,521 |  |  | 7,975 |  |  | 21,811 |  |  | 24,894 |
Product sales: |  |  |  |  |  |  |
Specialty products | 45 |  |  | 82 |  |  | 548 |  |  | 272 |
Sulfur services | 902 |  |  | 9 |  |  | 2,739 |  |  | 71 |
| 947 |  |  | 91 |  |  | 3,287 |  |  | 343 |
| $ | 26,090 |  |  | $ | 25,851 |  |  | $ | 79,203 |  |  | $ | 79,649 |
The impact of related party cost of products sold is reflected in the consolidated and condensed financial statements as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Cost of products sold: |  |  |  |  |  |  |
Specialty products | $ | 7,973 |  |  | $ | 8,401 |  |  | $ | 21,260 |  |  | $ | 23,342 |
Sulfur services | 3,303 |  |  | 3,014 |  |  | 9,611 |  |  | 8,926 |
Terminalling and storage | — |  |  | 23 |  |  | — |  |  | 65 |
| $ | 11,276 |  |  | $ | 11,438 |  |  | $ | 30,871 |  |  | $ | 32,333 |
The impact of related party operating expenses is reflected in the consolidated and condensed financial statements as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Operating expenses: |  |  |  |  |  |  |
Transportation | $ | 20,282 |  |  | $ | 19,257 |  |  | $ | 61,271 |  |  | $ | 58,844 |
Sulfur services | 1,522 |  |  | 1,250 |  |  | 4,302 |  |  | 3,622 |
Terminalling and storage | 6,053 |  |  | 5,646 |  |  | 17,672 |  |  | 16,611 |
| $ | 27,857 |  |  | $ | 26,153 |  |  | $ | 83,245 |  |  | $ | 79,077 |
The impact of related party selling, general and administrative expenses is reflected in the consolidated and condensed financial statements as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Selling, general and administrative: |  |  |  |  |  |  |
Transportation | $ | 1,907 |  |  | $ | 3,635 |  |  | $ | 6,115 |  |  | $ | 7,665 |
Specialty products | 910 |  |  | 1,833 |  |  | 3,033 |  |  | 3,825 |
Sulfur services | 817 |  |  | 1,826 |  |  | 2,777 |  |  | 3,759 |
Terminalling and storage | 124 |  |  | 1,333 |  |  | 718 |  |  | 1,757 |
Indirect, including overhead allocation | 3,375 |  |  | 3,588 |  |  | 10,517 |  |  | 10,710 |
| $ | 7,133 |  |  | $ | 12,215 |  |  | $ | 23,160 |  |  | $ | 27,716 |

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 850 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483326/850-10-50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 850 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483326/850-10-50-1 + Details
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