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Revenues (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Disaggregation of Revenue [Abstract] |  |
Revenues by major source | $ 808,022 | $ 750,444
Revenue recognized | 54,400 | 38,800
Marine Transportation [Member] |  |
Disaggregation of Revenue [Abstract] |  |
Revenues by major source | 475,412 | 412,495
Marine Transportation [Member] | Inland Transportation [Member] |  |
Disaggregation of Revenue [Abstract] |  |
Revenues by major source | 386,007 | 337,888
Marine Transportation [Member] | Coastal Transportation [Member] |  |
Disaggregation of Revenue [Abstract] |  |
Revenues by major source | 89,405 | 74,607
Distribution and Services [Member] |  |
Disaggregation of Revenue [Abstract] |  |
Revenues by major source | 332,610 | 337,949
Distribution and Services [Member] | Commercial and Industrial [Member] |  |
Disaggregation of Revenue [Abstract] |  |
Revenues by major source | 142,624 | 153,054
Distribution and Services [Member] | Power generation [Member] |  |
Disaggregation of Revenue [Abstract] |  |
Revenues by major source | 135,669 | 90,309
Distribution and Services [Member] | Oil and gas [Member] |  |
Disaggregation of Revenue [Abstract] |  |
Revenues by major source | $ 54,317 | $ 94,586

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