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Flight Equipment Held for Sale - Narrative (Details) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2025 USD ($) aircraft | Dec. 31, 2024 USD ($) aircraft
Disposal Group, Held-for-sale, Not Discontinued Operations | Eleven Aircrafts |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Number of aircrafts sold | 11 |
Carrying value of assets held for sale | $ | $ 341.8 |
Disposal Group, Held-for-sale, Not Discontinued Operations | Five Aircrafts |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Number of aircrafts sold | 5 |
Purchase deposits | $ | $ 186.9 |
Disposal Group, Held-for-sale, Not Discontinued Operations | Thirty Aircrafts |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Number of aircrafts sold |  | 30
Carrying value of assets held for sale | $ |  | $ 951.2
Disposal Group, Held-for-sale, Not Discontinued Operations | Six Aircrafts |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Number of aircrafts transferred | 6 |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Twenty Five Aircrafts |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Number of aircrafts sold | 25 |

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