Flight equipment subject to operating lease - Schedule of Flight Equipment Subject to Operating Lease (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Movement in Property, Plant and Equipment [Roll Forward]
Depreciation	$ (1,143,761)	$ (1,068,772)	$ (965,955)
Flight Equipment
Movement in Property, Plant and Equipment [Roll Forward]
Net book value, beginning balance	26,231,208
Purchase of aircraft	5,010,146
Depreciation	(1,143,761)
Flight equipment subject to operating leases reclassified to flight equipment held for sale	(1,821,084)
Transfer of flight equipment to investment in sales-type lease	(106,043)
Net book value, ending balance	28,170,466	$ 26,231,208
Accumulated depreciation at the end	$ (5,998,453)