Borrowings from Secured and Unsecured Debt Financings (Details Textual) $ in Thousands		3 Months Ended		6 Months Ended
	Aug. 28, 2024 USD ($) aircraft	Aug. 31, 2024 USD ($)	Aug. 31, 2023 USD ($)	Aug. 31, 2024 USD ($)	Aug. 31, 2023 USD ($)	Jul. 18, 2024	Feb. 29, 2024 USD ($)
Debt Instrument [Line Items]
Gain on extinguishment of debt		$ 285	$ 0	$ 285	$ 0
Borrowings from unsecured financings, net		3,823,665		3,823,665			$ 3,823,099
Remaining borrowing capacity		$ 2,100,000		$ 2,100,000
6.500% Senior Notes due 2028 | Senior Notes | 6.50%
Debt Instrument [Line Items]
Interest rate		6.50%		6.50%
Borrowings from unsecured financings, net		$ 650,000		$ 650,000			650,000
2023 Secured Facility | Secured Debt
Debt Instrument [Line Items]
Principal paid	$ 206,300
Maximum number of aircraft secured by debt instrument | aircraft	8
Accrued interest paid	$ 1,900
5.75% | Senior Notes | 5.75%
Debt Instrument [Line Items]
Interest rate						5.75%
5.75% Senior Notes Due 2031 | Senior Notes
Debt Instrument [Line Items]
Debt issue price percent						99.64%
Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Borrowings from unsecured financings, net		$ 20,000		$ 20,000			$ 20,000