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Acquisitions, 2021 (Details) |  | 12 Months Ended |
--- | --- | --- | ---
Oct. 01, 2020 USD ($) | Dec. 31, 2021 USD ($) Vessel | Dec. 31, 2020 USD ($) | Dec. 31, 2019 Tankbarge
Acquisitions [Abstract] |  |  |  |
Cash paid for acquisition |  |  | $ 81,635,000 |
Inland Tank Barges [Member] |  |  |  |
Acquisitions [Abstract] |  |  |  |
Number of maritime vessels acquired |  | 4 |  | 9
Cash paid for acquisition |  | $ 7,470,000 |  |
Energy Storage System [Member] |  |  |  |
Acquisitions [Abstract] |  |  |  |
Cash paid for acquisition | $ 1,645,000 |  |  |

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