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Intangible Assets | 3 Months Ended
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Mar. 31, 2020
Intangible Assets, Net (Excluding Goodwill) [Abstract] |
Intangible Assets | Intangible Assets The following table summarizes the components of our intangible assets at the dates indicated:
| March 31, 2020 |  | December 31, 2019
| Gross Carrying Amount |  | Accumulated Amortization |  | Carrying Value |  | Gross Carrying Amount |  | Accumulated Amortization |  | Carrying Value
Marine contract intangibles | $ | 27,800 |  |  | $ | 24,392 |  |  | $ | 3,408 |  |  | $ | 27,800 |  |  | $ | 23,033 |  |  | $ | 4,767 |
Offshore pipeline contract intangibles | 158,101 |  |  | 38,832 |  |  | 119,269 |  |  | 158,101 |  |  | 36,752 |  |  | 121,349 |
Other | 35,551 |  |  | 22,157 |  |  | 13,394 |  |  | 34,291 |  |  | 21,480 |  |  | 12,811 |
Total | $ | 221,452 |  |  | $ | 85,381 |  |  | $ | 136,071 |  |  | $ | 220,192 |  |  | $ | 81,265 |  |  | $ | 138,927 |
Our amortization of intangible assets for the periods presented was as follows:
| Three Months Ended March 31,
| 2020 |  | 2019
Amortization of intangible assets | $ | 4,116 |  |  | $ | 4,289 |
We estimate that our amortization expense for the next five years will be as follows:
Remainder of | 2020 | $ | 11,563 |
| 2021 | $ | 10,576 |
| 2022 | $ | 10,416 |
| 2023 | $ | 10,147 |
| 2024 | $ | 9,823 |

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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- References No definition available. + Details
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