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Revenues (Tables) | 9 Months Ended
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Sep. 30, 2021
Revenues [Abstract] |
Revenues by Major Source | The following table sets forth the Company’s revenues by major source (in thousands):
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Marine transportation segment: |  |  |  |  |  |  |  |  |  |  |  |
Inland transportation |  | $ | 255,791 |  |  | $ | 247,647 |  |  | $ | 733,830 |  |  | $ | 869,224 |
Coastal transportation |  |  | 82,723 |  |  |  | 72,955 |  |  |  | 238,522 |  |  |  | 235,622 |
|  | $ | 338,514 |  |  | $ | 320,602 |  |  | $ | 972,352 |  |  | $ | 1,104,846 |
Distribution and services segment: |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 153,056 |  |  | $ | 127,224 |  |  | $ | 426,930 |  |  | $ | 418,763 |
Oil and gas |  |  | 107,350 |  |  |  | 48,741 |  |  |  | 256,112 |  |  |  | 158,043 |
|  | $ | 260,406 |  |  | $ | 175,965 |  |  | $ | 683,042 |  |  | $ | 576,806 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 + Details
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