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Property, Plant, and Equipment | 12 Months Ended
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Dec. 31, 2023
Property, Plant and Equipment [Abstract] |
Property, Plant, and Equipment | PROPERTY, PLANT, AND EQUIPMENT At December 31, 2023 and 2022, property, plant and equipment consisted of the following:
| Depreciable Lives |  | 2023 |  | 2022
Land | — |  | $ | 18,818 |  |  | $ | 21,649 |
Improvements to land and buildings | 10-25 years |  | 133,440 |  |  | 131,521 |
Storage equipment | 5-50 years |  | 129,456 |  |  | 124,412 |
Marine vessels | 4-25 years |  | 187,182 |  |  | 180,684 |
Operating plant and equipment | 3-50 years |  | 376,170 |  |  | 365,952 |
Furniture, fixtures and other equipment | 3-20 years |  | 7,527 |  |  | 11,726 |
Transportation equipment | 3-7 years |  | 47,017 |  |  | 50,836 |
Construction in progress |  |  | 19,176 |  |  | 16,755 |
|  |  | $ | 918,786 |  |  | $ | 903,535 |
Depreciation expense for the years ended December 31, 2023, 2022 and 2021 was $44,700, $50,186 and $52,289, respectively, which includes amortization of fixed assets acquired under capital lease obligations of $6, $92, and $164. Gross assets under capital leases were $0 and $83 at December 31, 2023 and 2022, respectively. Accumulated amortization associated with capital leases was $0 and $44 at December 31, 2023 and 2022, respectively. Additions to property, plant and equipment included in accounts payable at December 31, 2023, 2022 and 2021 were $2,943, $1,949, and $3,229, respectively. No equipment was purchased under capital lease obligations for the years ended December 31, 2023, 2022, and 2021.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//360/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 6 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 7 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-7 + Details
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