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Revenues | 9 Months Ended
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Sep. 30, 2024
Revenue from Contract with Customer [Abstract] |
Revenues | (3) Revenues The following table sets forth the Company’s revenues by major source (in thousands):
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
Marine transportation segment: |  |  |  |  |  |  |  |  |  |  |  |
Inland transportation |  | $ | 392,617 |  |  | $ | 353,635 |  |  | $ | 1,170,459 |  |  | $ | 1,043,330 |
Coastal transportation |  |  | 93,437 |  |  |  | 76,250 |  |  |  | 275,815 |  |  |  | 226,012 |
|  | $ | 486,054 |  |  | $ | 429,885 |  |  | $ | 1,446,274 |  |  | $ | 1,269,342 |
Distribution and services segment: |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 162,285 |  |  | $ | 156,060 |  |  | $ | 470,567 |  |  | $ | 461,159 |
Power generation |  |  | 111,573 |  |  |  | 119,004 |  |  |  | 355,025 |  |  |  | 308,319 |
Oil and gas |  |  | 71,237 |  |  |  | 59,823 |  |  |  | 191,695 |  |  |  | 253,644 |
|  | $ | 345,095 |  |  | $ | 334,887 |  |  | $ | 1,017,287 |  |  | $ | 1,023,122 |
Contract liabilities represent advance consideration received from customers, and are recognized as revenue over time or at a point in time as the related performance obligation is satisfied. Revenues recognized during the nine months ended September 30, 2024 and 2023 that were included in the opening contract liability balances were $101.8 million and $76.8 million, respectively. The Company presents all contract liabilities within the deferred revenues financial statement caption on the balance sheets. The Company did no t have any contract assets at September 30, 2024 or December 31, 2023. The Company applies the practical expedient that allows non-disclosure of information about remaining performance obligations that have original expected durations of one year or less.

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-9 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-15 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-13 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Topic 606 -Publisher FASB -URI https://asc.fasb.org/606/tableOfContent + Details
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