Flight Equipment Held for Sale - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 2026 USD ($) aircraft	Dec. 31, 2025 USD ($) aircraft
Disposal Group, Held-for-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	25
Carrying value of assets held for sale | $	$ 940.3
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	2
Purchase deposits | $	$ 197.7
Disposal Group, Held-for-sale, Not Discontinued Operations | Twelve Aircrafts
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of aircrafts		12
Carrying value of assets held for sale | $		$ 529.0
Disposal Group, Held-for-sale, Not Discontinued Operations | Nineteen Aircrafts
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of aircrafts transferred	19
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Six Aircrafts
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of aircrafts	6