Flight Equipment Held for Sale - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 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 | $	$ 552.3
Disposal Group, Held-for-sale, Not Discontinued Operations | Eight Aircrafts
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of aircrafts sold	8
Purchase deposits | $	$ 309.5
Disposal Group, Held-for-sale, Not Discontinued Operations | Two Aircrafts
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of aircrafts transferred	2
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 | Sixteen Aircrafts
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of aircrafts sold	16