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Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Intangible Assets | Our identifiable intangible assets are as follows (in thousands):
|  |  | As of December 31, 2024 |  | As of December 31, 2023
| Useful Life |  | Gross |  | Accumulated Amortization |  | Net |  | Gross |  | Accumulated Amortization |  | Net
Intangible assets subject to amortization: |  |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships | 11.6 - 13.4 years |  | $ | 234,231 |  |  | $ | (47,320) |  |  | $ | 186,911 |  |  | $ | 210,000 |  |  | $ | (28,664) |  |  | $ | 181,336 |
Marketing contract | 20 years |  | — |  |  | — |  |  | — |  |  | 144,219 |  |  | (42,064) |  |  | 102,155 |
Rights-of-way assets | 8 - 35 years |  | 14,892 |  |  | (1,778) |  |  | 13,114 |  |  | 14,892 |  |  | (1,078) |  |  | 13,814 |
Favorable contract | 4.8 years |  | 4,775 |  |  | (307) |  |  | 4,468 |  |  | — |  |  | — |  |  | — |
Intangible assets not subject to amortization: |  |  |  |  |  |  |  |  |  |  |  |  |
Rights-of-way assets | Indefinite |  | 76,965 |  |  |  |  | 76,965 |  |  | 45,722 |  |  |  |  | 45,722 |
Total |  |  | $ | 330,863 |  |  | $ | (49,405) |  |  | $ | 281,458 |  |  | $ | 414,833 |  |  | $ | (71,806) |  |  | $ | 343,027 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense | Amortization expense for the next five years is estimated to be as follows (in thousands):
2025 |  | $ | 21,618 |
2026 |  | $ | 21,618 |
2027 |  | $ | 21,618 |
2028 |  | $ | 21,618 |
2029 |  | $ | 21,059 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance by major class. + References No definition available. + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 + Details
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