Flight Equipment Held for Sale - Narrative (Details) $ in Millions	6 Months Ended
Jun. 30, 2025 USD ($) aircraft	Dec. 31, 2024 USD ($) aircraft
Disposal Group, Held-for-sale, Not Discontinued Operations \| Sixteen Aircrafts
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of aircrafts sold	16
Carrying value of assets held for sale \| $	$ 524.1
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 sold	6
Purchase deposits \| $	$ 255.9
Number of aircrafts transferred	6
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, Disposed of by Sale, Not Discontinued Operations \| Twenty Aircrafts
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of aircrafts sold	20

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