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v3.23.1

Business Segment Information (Schedule of Segment Information) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Segment Reporting Information [Line Items] |  |
Segment margin | $ 195,129 | $ 157,452
Total revenues | 790,612 | 631,947
Offshore Pipeline Transportation [Member] |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 91,395 | 68,068
Sodium Minerals and Sulfur Services [Member] |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 444,648 | 285,674
Onshore Facilities and Transportation [Member] |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 171,343 | 222,431
Marine Transportation [Member] |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 83,226 | 55,774
Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Segment margin | 195,129 | 157,452
Capital expenditures | 83,025 | 72,563
Total revenues | 790,612 | 631,947
Operating Segments | Offshore Pipeline Transportation [Member] |  |
Segment Reporting Information [Line Items] |  |
Segment margin | 97,938 | 70,904
Capital expenditures | 52,053 | 35,441
Total revenues | 91,395 | 68,068
Operating Segments | Sodium Minerals and Sulfur Services [Member] |  |
Segment Reporting Information [Line Items] |  |
Segment margin | 66,107 | 67,375
Capital expenditures | 19,985 | 26,326
Total revenues | 446,906 | 288,008
Operating Segments | Onshore Facilities and Transportation [Member] |  |
Segment Reporting Information [Line Items] |  |
Segment margin | 5,390 | 7,036
Capital expenditures | 1,930 | 737
Total revenues | 169,085 | 220,295
Operating Segments | Marine Transportation [Member] |  |
Segment Reporting Information [Line Items] |  |
Segment margin | 25,694 | 12,137
Capital expenditures | 9,057 | 10,059
Total revenues | 83,226 | 55,576
Intersegment |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 0 | 0
Intersegment | Offshore Pipeline Transportation [Member] |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 0 | 0
Intersegment | Sodium Minerals and Sulfur Services [Member] |  |
Segment Reporting Information [Line Items] |  |
Total revenues | (2,258) | (2,334)
Intersegment | Onshore Facilities and Transportation [Member] |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 2,258 | 2,136
Intersegment | Marine Transportation [Member] |  |
Segment Reporting Information [Line Items] |  |
Total revenues | $ 0 | $ 198

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- Definition Capital expenditures include both maintenance and growth capital expenditures, such as fixed asset additions (including enhancements to existing facilities and construction of internal growth projects) as well as acquisitions of businesses and interests in equity investees. + References No definition available. + Details
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- Definition Revenues less product costs, operating expenses (excluding non-cash charges such as depreciation and amortization), and segment general and administrative expenses, plus our equity in distributable cash generated by our equity investees. Also excludes the non-cash effects of our stock appreciation rights compensation plan and includes the non-income portion of payments received under direct financing leases. + References No definition available. + Details
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