Flight equipment subject to operating lease - Schedule of Flight Equipment Subject to Operating Lease (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Movement in Property, Plant and Equipment [Roll Forward]
Depreciation	$ (281,982)	$ (268,586)	$ (559,242)	$ (528,266)
Flight equipment subject to operating leases reclassified to flight equipment held for sale			(744,559)	(1,339,087)
Flight equipment subject to operating leases reclassified to investment in sales-type lease			(33,629)	$ 0
Flight Equipment
Movement in Property, Plant and Equipment [Roll Forward]
Net book value, beginning balance			26,231,208
Purchase of aircraft			1,859,801
Depreciation			(559,242)
Flight equipment subject to operating leases reclassified to flight equipment held for sale			(708,772)
Flight equipment subject to operating leases reclassified to investment in sales-type lease			(33,629)
Net book value, ending balance	26,789,366		26,789,366
Accumulated depreciation	$ (5,854,095)		$ (5,854,095)