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v3.22.1

Revenues (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Disaggregation of Revenue [Abstract] |  |
Revenues by major source | $ 610,782 | $ 496,850
Revenue recognized | 28,600 | 30,800
Marine Transportation [Member] |  |
Disaggregation of Revenue [Abstract] |  |
Revenues by major source | 355,536 | 300,951
Marine Transportation [Member] | Inland Transportation [Member] |  |
Disaggregation of Revenue [Abstract] |  |
Revenues by major source | 277,910 | 224,451
Marine Transportation [Member] | Coastal Transportation [Member] |  |
Disaggregation of Revenue [Abstract] |  |
Revenues by major source | 77,626 | 76,500
Distribution and Services [Member] |  |
Disaggregation of Revenue [Abstract] |  |
Revenues by major source | 255,246 | 195,899
Distribution and Services [Member] | Commercial and Industrial [Member] |  |
Disaggregation of Revenue [Abstract] |  |
Revenues by major source | 147,533 | 132,908
Distribution and Services [Member] | Oil and Gas [Member] |  |
Disaggregation of Revenue [Abstract] |  |
Revenues by major source | $ 107,713 | $ 62,991

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