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v3.25.1

Business Segment Information (Schedule of Total Assets and Total Growth and Maintenance Capital Expenditures by Reportable Segment) (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 USD ($) | Mar. 31, 2024 USD ($) | Dec. 31, 2024 USD ($)
Segment Reporting Information [Line Items] |  |  |
Assets | $ 5,211,859 |  | $ 7,037,692
Assets held for discontinued operations | $ 0 |  | 2,207,420
Costs incurred, percentage | 1 | 1 |
Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Assets | $ 4,795,538 |  | 4,790,616
Capital Expenditures | 427 | $ 2,977 |
Operating Segments | Offshore pipeline transportation |  |  |
Segment Reporting Information [Line Items] |  |  |
Assets | 2,759,749 |  | 2,748,296
Capital Expenditures | 29,314 | 63,626 |
Operating Segments | Soda and Sulfur Services |  |  |
Segment Reporting Information [Line Items] |  |  |
Capital Expenditures | 16,990 | 12,310 |
Operating Segments | Marine transportation |  |  |
Segment Reporting Information [Line Items] |  |  |
Assets | 640,525 |  | 641,082
Capital Expenditures | 3,176 | 6,541 |
Operating Segments | Onshore transportation and services |  |  |
Segment Reporting Information [Line Items] |  |  |
Assets | 1,395,264 |  | 1,401,238
Capital Expenditures | 49,480 | 82,477 |
Other assets |  |  |
Segment Reporting Information [Line Items] |  |  |
Capital Expenditures | 49,907 | $ 85,454 |
Other assets |  |  |
Segment Reporting Information [Line Items] |  |  |
Assets | $ 416,321 |  | $ 39,656

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