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Other operating income and expenses (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Analysis of other operating income      
Gain on sale and leaseback $ 8,275 $ 21,193 $ 9,668
Gain (loss) on sale of rotable spare parts, furniture and equipment and others (3,540) (1,645) (122)
Other income 42,895 5,518 1,212
Other operating income 54,710 25,066 10,758
Analysis of other operating expenses      
Administrative and operational support expenses 110,556 49,431 37,042
Technology and communications 29,651 25,708 21,296
Others 17,996 15,756 92
Insurance 5,930 5,116 3,675
Passenger services 5,731 6,574 3,753
Other operating expenses $ 169,864 $ 102,585 $ 65,858