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Intangible Assets | 3 Months Ended
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Mar. 31, 2022
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, 2022 |  | December 31, 2021
| Gross Carrying Amount |  | Accumulated Amortization |  | Carrying Value |  | Gross Carrying Amount |  | Accumulated Amortization |  | Carrying Value
Marine contract intangibles | $ | 800 |  |  | $ | 616 |  |  | $ | 184 |  |  | $ | 800 |  |  | $ | 607 |  |  | $ | 193 |
Offshore pipeline contract intangibles | 158,101 |  |  | 55,474 |  |  | 102,627 |  |  | 158,101 |  |  | 53,394 |  |  | 104,707 |
Other | 40,240 |  |  | 16,268 |  |  | 23,972 |  |  | 37,933 |  |  | 15,770 |  |  | 22,163 |
Total | $ | 199,141 |  |  | $ | 72,358 |  |  | $ | 126,783 |  |  | $ | 196,834 |  |  | $ | 69,771 |  |  | $ | 127,063 |
Our amortization of intangible assets for the periods presented was as follows:
|  |  | Three Months Ended March 31,
|  |  |  |  | 2022 |  | 2021
Amortization of intangible assets |  |  |  |  | $ | 2,588 |  |  | $ | 2,600 |
We estimate that our amortization expense for the next five years will be as follows:
Remainder of | 2022 | $ | 8,988 |
| 2023 | $ | 11,733 |
| 2024 | $ | 11,368 |
| 2025 | $ | 11,143 |
| 2026 | $ | 10,843 |

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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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