v3.25.4

Other intangibles, net (Tables) | 12 Months Ended
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Dec. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Finite-Lived Intangible Assets | Maintenance rights and lease premium, net consisted of the following as of December 31, 2025 and 2024:
| As of December 31,
| 2025 |  | 2024
Maintenance rights | $ | 1,336,440 |  |  | $ | 1,669,742 |
Lease premium, net | 340,967 |  |  | 460,251 |
| $ | 1,677,407 |  |  | $ | 2,129,993 |
The following tables present details of lease premium assets and related accumulated amortization as of December 31, 2025 and 2024:
| As of December 31, 2025
| Gross carrying amount |  | Accumulated amortization |  | Net carrying amount
Lease premium | $ | 790,042 |  |  | $ | (449,075) |  |  | $ | 340,967 |
| As of December 31, 2024
| Gross carrying amount |  | Accumulated amortization |  | Net carrying amount
Lease premium | $ | 907,995 |  |  | $ | (447,744) |  |  | $ | 460,251 |
Other intangibles consisted of the following as of December 31, 2025 and 2024:
|  | As of December 31,
|  | 2025 |  | 2024
Customer relationships, net |  | $ | 113,706 |  |  | $ | 134,883 |
Other intangible assets |  | 4,083 |  |  | 4,783 |
|  | $ | 117,789 |  |  | $ | 139,666 |
The following tables present details of customer relationships and related accumulated amortization as of December 31, 2025 and 2024:
| As of December 31, 2025
| Gross carrying amount |  | Accumulated amortization |  | Net carrying amount
Customer relationships | $ | 360,000 |  |  | $ | (246,294) |  |  | $ | 113,706 |
| As of December 31, 2024
| Gross carrying amount |  | Accumulated amortization |  | Net carrying amount
Customer relationships | $ | 360,000 |  |  | $ | (225,117) |  |  | $ | 134,883 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name Accounting Standards Codification -Section 55 -Paragraph 40 -SubTopic 30 -Topic 350 -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) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 + Details
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