Flight Equipment Held for Sale (Details) $ in Millions	Mar. 31, 2023 USD ($) aircraft	Dec. 31, 2022 USD ($) aircraft
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	6
Carrying value of assets held for sale | $	$ 222.5
Disposal Group, Held-for-sale, Not Discontinued Operations | Four Aircrafts
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of aircrafts		4
Carrying value of assets held for sale | $		$ 153.5
Disposal Group, Disposed of by 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