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Intangible Assets, Net (Tables) | 9 Months Ended
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Sep. 30, 2024
Intangible Assets, Net [Abstract] |
Intangible Assets Exclusive of Goodwill | Intangible assets, exclusive of goodwill, consisted of the following at September 30, 2024: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Gross |  | ​ | ​ |  | Accumulated |  | Net
​ | ​ | Carrying | ​ | Accumulated | ​ | Impairment | ​ | Carrying
​ | ​ | Amount | ​ | Amortization | ​ | Loss | ​ | Amount
Finite-lived intangible assets: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Long-term franchise agreements and contracts | ​ | $ | 1,036,273 | ​ | $ | (387,939) | ​ | $ | — | ​ | $ | 648,334
Customer lists | ​ |  | 947,337 | ​ |  | (664,027) | ​ |  | — | ​ |  | 283,310
Permits and other | ​ |  | 1,069,711 | ​ |  | (159,375) | ​ |  | (40,784) | ​ |  | 869,552
​ | ​ |  | 3,053,321 | ​ |  | (1,211,341) | ​ |  | (40,784) | ​ |  | 1,801,196
Indefinite-lived intangible assets: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Solid waste collection and transportation permits | ​ |  | 181,613 | ​ |  | — | ​ |  | — | ​ |  | 181,613
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Intangible assets, exclusive of goodwill | ​ | $ | 3,234,934 | ​ | $ | (1,211,341) | ​ | $ | (40,784) | ​ | $ | 1,982,809
Intangible assets, exclusive of goodwill, consisted of the following at December 31, 2023: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Gross |  | ​ | ​ |  | Accumulated |  | Net
​ | ​ | Carrying | ​ | Accumulated | ​ | Impairment | ​ | Carrying
​ | ​ | Amount | ​ | Amortization | ​ | Loss | ​ | Amount
Finite-lived intangible assets: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Long-term franchise agreements and contracts | ​ | $ | 960,033 | ​ | $ | (343,099) | ​ | $ | — | ​ | $ | 616,934
Customer lists | ​ |  | 806,257 | ​ |  | (606,192) | ​ |  | — | ​ |  | 200,065
Permits and other | ​ |  | 784,905 | ​ |  | (139,192) | ​ |  | (40,784) | ​ |  | 604,929
​ | ​ |  | 2,551,195 | ​ |  | (1,088,483) | ​ |  | (40,784) | ​ |  | 1,421,928
Indefinite-lived intangible assets: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Solid waste collection and transportation permits | ​ |  | 181,613 | ​ |  | — | ​ |  | — | ​ |  | 181,613
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Intangible assets, exclusive of goodwill | ​ | $ | 2,732,808 | ​ | $ | (1,088,483) | ​ | $ | (40,784) | ​ | $ | 1,603,541
Estimated Future Amortization Expense of Amortizable Intangible Assets | Estimated future amortization expense for the next five years relating to finite-lived intangible assets owned as of September 30, 2024 is as follows: ​
​ | ​ | ​ | ​
For the year ending December 31, 2024 |  | $ | 178,198
For the year ending December 31, 2025 | ​ | $ | 169,970
For the year ending December 31, 2026 | ​ | $ | 149,142
For the year ending December 31, 2027 | ​ | $ | 129,249
For the year ending December 31, 2028 | ​ | $ | 115,294
​

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