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Intangible Assets, Goodwill And Other Assets (Tables) | 12 Months Ended
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Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Intangible Assets | The following table reflects the components of intangible assets being amortized at December 31, 2016 and 2015:
|  |  | December 31, 2016 |  | December 31, 2015
| Weighted Amortization Period in Years |  | Gross Carrying Amount |  | Accumulated Amortization |  | Carrying Value |  | Gross Carrying Amount |  | Accumulated Amortization |  | Carrying Value
Refinery Services: |  |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships | 5 |  | $ | 94,654 |  |  | $ | 89,756 |  |  | $ | 4,898 |  |  | $ | 94,654 |  |  | $ | 86,285 |  |  | $ | 8,369 |
Licensing agreements | 6 |  | 38,678 |  |  | 34,204 |  |  | 4,474 |  |  | 38,678 |  |  | 31,694 |  |  | 6,984 |
Segment total |  |  | 133,332 |  |  | 123,960 |  |  | 9,372 |  |  | 133,332 |  |  | 117,979 |  |  | 15,353 |
Supply & Logistics: |  |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships | 5 |  | 35,430 |  |  | 33,676 |  |  | 1,754 |  |  | 35,430 |  |  | 32,044 |  |  | 3,386 |
Intangibles associated with lease | 15 |  | 13,260 |  |  | 4,459 |  |  | 8,801 |  |  | 13,260 |  |  | 3,986 |  |  | 9,274 |
Segment total |  |  | 48,690 |  |  | 38,135 |  |  | 10,555 |  |  | 48,690 |  |  | 36,030 |  |  | 12,660 |
Marine contract intangibles | 5 |  | 27,000 |  |  | 6,300 |  |  | 20,700 |  |  | 27,000 |  |  | 900 |  |  | 26,100 |
Offshore pipeline contract intangibles | 19 |  | 158,101 |  |  | 11,788 |  |  | 146,313 |  |  | 158,101 |  |  | 3,467 |  |  | 154,634 |
Other | 5 |  | 28,569 |  |  | 10,622 |  |  | 17,947 |  |  | 22,819 |  |  | 8,120 |  |  | 14,699 |
Total |  |  | $ | 395,692 |  |  | $ | 190,805 |  |  | $ | 204,887 |  |  | $ | 389,942 |  |  | $ | 166,496 |  |  | $ | 223,446 |
Schedule of Estimated Amortization Expense | The following table reflects our estimated amortization expense for each of the five subsequent fiscal years:
| 2017 |  | 2018 |  | 2019 |  | 2020 |  | 2021
Refinery Services: |  |  |  |  |  |  |  |  |
Customer relationships | $ | 2,737 |  |  | $ | 2,161 |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Licensing agreements | 2,324 |  |  | 2,150 |  |  | — |  |  | — |  |  | — |
Supply and Logistics: |  |  |  |  |  |  |  |  |
Customer relationships | 1,407 |  |  | 41 |  |  | 39 |  |  | 38 |  |  | 37 |
Intangibles associated with lease | 474 |  |  | 474 |  |  | 474 |  |  | 474 |  |  | 474 |
Marine contract intangibles | 5,400 |  |  | 5,400 |  |  | 5,400 |  |  | 4,500 |  |  | — |
Offshore pipeline contract intangibles | 8,321 |  |  | 8,321 |  |  | 8,321 |  |  | 8,321 |  |  | 8,321 |
Other | 2,969 |  |  | 2,943 |  |  | 2,921 |  |  | 2,908 |  |  | 1,779 |
Total | $ | 23,632 |  |  | $ | 21,490 |  |  | $ | 17,155 |  |  | $ | 16,241 |  |  | $ | 10,611 |
Schedule of Other Assets | Other assets consisted of the following:
| December 31,
| 2016 |  | 2015
CO 2 volumetric production payments, net of amortization | $ | 3,503 |  |  | $ | 7,413 |
Deferred marine charges, net (1) | 27,710 |  |  | 23,646 |
Other deferred costs and deposits | 25,398 |  |  | 27,633 |
Other assets, net of amortization | $ | 56,611 |  |  | $ | 58,692 |
(1) | See discussion of deferred charges on marine transportation assets in the Summary of Accounting Policies (Note 2)

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