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Special Charges - Narrative (Details) $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2023 Aircraft | Mar. 31, 2024 Aircraft | Jun. 30, 2024 USD ($) | Dec. 31, 2023 Aircraft
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |
Number of aircraft retired | Aircraft | 21 | 2 |  | 2
Hurricane Ian |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |
Unusual or infrequent item, or both, loss, gross |  |  | $ 78.3 |
Unusual or infrequent item, or both, insurance proceeds |  |  | $ 54.5 |

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