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Related party transactions - Narrative (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 USD ($) engine | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Nov. 01, 2021
Related Party Transaction [Line Items] |  |  |  |
Total lease revenue | $ 7,003,997 | $ 6,860,320 | $ 6,530,546 |
Revenues | 7,996,644 | 7,580,418 | 7,013,550 |
SES | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Total lease revenue | $ 147,000 | 124,000 |  |
General Electric | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Total lease revenue |  | 140,000 | 143,000 |
Related party transaction, purchases from related party |  | 212,000 | 150,000 |
Revenues |  | $ 29,000 | $ 27,000 |
General Electric | Related Party | AerCap Holdings N.V. |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Ownership percentage by GE (in percentage) |  |  |  | 46.00%
EVAL | Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Portfolio sale agreement, number of engines held-for-sale | engine | 16 |  |  |
Portfolio sale agreement, number of engines sold | engine | 14 |  |  |
SES |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Ownership (in percentage) | 50.00% |  |  |

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