Flight Equipment Held for Lease, Net (Details) - USD ($) $ in Thousands	3 Months Ended
	May 31, 2024	May 31, 2023
Impaired Long-Lived Assets Held And Used [Roll Forward]
Property, Plant, and Equipment, Lessor Asset under Operating Lease, after Accumulated Depreciation	$ 6,940,502
Depreciation	(89,358)	$ (88,789)
Transfers from flight equipment held for lease to Net investment in leases and Other assets	6,310	182,818
Impairments	(5,211)	$ (1,097)
Property, Plant, and Equipment, Lessor Asset under Operating Lease, after Accumulated Depreciation	7,047,120
Flight Equipment
Impaired Long-Lived Assets Held And Used [Roll Forward]
Property, Plant, and Equipment, Lessor Asset under Operating Lease, after Accumulated Depreciation	6,940,502
Additions	231,519
Depreciation	(88,800)
Transfers from flight equipment held for lease to Net investment in leases and Other assets	(30,890)
Impairments	(5,211)
Property, Plant, and Equipment, Lessor Asset under Operating Lease, after Accumulated Depreciation	7,047,120
Property, Plant, and Equipment, Lessor Asset under Operating Lease, Accumulated Depreciation	$ 2,395,509