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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2018
Accounting Policies [Abstract] |
Useful lives of property, plant and equipment | Depreciation is computed using the straight-line method over the following estimated useful lives:
Process units and equipment | 5-25 years
Pipeline and equipment | 5-25 years
Buildings | 25 years
Computers, furniture and fixtures | 3-7 years
Leasehold improvements | 20 years
Railcars | 50 years
Property, plant and equipment, net consisted of the following:
|  | December 31, 2018 |  | December 31, 2017
Land |  | $ | 351,536 |  |  | $ | 352,812 |
Process units, pipelines and equipment |  | 3,741,133 |  |  | 3,414,372 |
Buildings and leasehold improvements |  | 58,211 |  |  | 51,915 |
Computers, furniture and fixtures |  | 126,929 |  |  | 110,968 |
Construction in progress |  | 328,111 |  |  | 172,270 |
|  | 4,605,920 |  |  | 4,102,337 |
Less—Accumulated depreciation |  | (785,028 | ) |  | (623,124 | )
Total property, plant and equipment, net |  | $ | 3,820,892 |  |  | $ | 3,479,213 |

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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