Flight Equipment Held for Lease, Net - Schedule of Flight Equipment Held for Sale (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2024	Nov. 30, 2023
Impaired Long-Lived Assets Held And Used [Roll Forward]
Balance, beginning of period			$ 6,940,502
Depreciation	$ (87,604)	$ (86,647)	(264,637)	$ (261,764)
Transfers from flight equipment held for lease to Net investment in leases and Other assets			6,310	184,236
Impairments	(8,419)	$ (34,959)	(19,391)	$ (37,156)
Balance, end of period	6,858,065		6,858,065
Flight Equipment
Impaired Long-Lived Assets Held And Used [Roll Forward]
Balance, beginning of period			6,940,502
Additions			621,932
Depreciation			(262,941)
Transfers from flight equipment held for lease to Net investment in leases and Other assets			(430,456)
Impairments			(10,972)
Balance, end of period	6,858,065		6,858,065
Accumulated depreciation	$ 2,159,032		$ 2,159,032