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, 2025	Nov. 30, 2024	Nov. 30, 2025	Nov. 30, 2024
Impaired Long-Lived Assets Held And Used [Roll Forward]
Balance, beginning of period			$ 7,644,867
Depreciation	$ (96,055)	$ (87,604)	(288,633)	$ (264,637)
Transfers from flight equipment held for lease to Net investment in leases and Other assets			64,836	6,310
Impairments	(15,710)	$ (8,419)	(51,929)	$ (19,391)
Balance, end of period	8,344,273		8,344,273
Flight Equipment
Impaired Long-Lived Assets Held And Used [Roll Forward]
Balance, beginning of period			7,644,867
Additions			1,393,200
Depreciation			(286,849)
Transfers from flight equipment held for lease to Net investment in leases and Other assets			(358,977)
Impairments			(47,968)
Balance, end of period	8,344,273		8,344,273
Accumulated depreciation	$ 1,931,670		$ 1,931,670