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Revenues (Tables) | 6 Months Ended
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Jun. 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 June 30, |  |  | Six months ended June 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Marine transportation segment: |  |  |  |  |  |  |  |  |  |  |  |
Inland transportation |  | $ | 253,588 |  |  | $ | 303,012 |  |  | $ | 478,039 |  |  | $ | 621,577 |
Coastal transportation |  |  | 79,299 |  |  |  | 77,975 |  |  |  | 155,799 |  |  |  | 162,667 |
|  | $ | 332,887 |  |  | $ | 380,987 |  |  | $ | 633,838 |  |  | $ | 784,244 |
Distribution and services segment: |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 140,966 |  |  | $ | 129,548 |  |  | $ | 273,874 |  |  | $ | 291,539 |
Oil and gas |  |  | 85,771 |  |  |  | 30,624 |  |  |  | 148,762 |  |  |  | 109,302 |
|  | $ | 226,737 |  |  | $ | 160,172 |  |  | $ | 422,636 |  |  | $ | 400,841 |

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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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