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Revenues (Tables) | 12 Months Ended
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Dec. 31, 2020
Revenues [Abstract] |
Revenues by Major Source | The following table sets forth the Company’s revenues by major source (in thousands):
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Marine transportation segment: |  |  |  |  |  |  |  |  |
Inland transportation |  | $ | 1,094,630 |  |  | $ | 1,220,878 |  |  | $ | 1,119,820 |
Coastal transportation |  |  | 309,635 |  |  |  | 366,204 |  |  |  | 363,323 |
|  | $ | 1,404,265 |  |  | $ | 1,587,082 |  |  | $ | 1,483,143 |
Distribution and services segment: |  |  |  |  |  |  |  |  |
Oil and gas |  | $ | 200,817 |  |  | $ | 659,364 |  |  | $ | 1,010,410 |
Commercial and industrial |  |  | 566,326 |  |  |  | 591,953 |  |  |  | 477,144 |
|  | $ | 767,143 |  |  | $ | 1,251,317 |  |  | $ | 1,487,554 |

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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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