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Other operating income and expenses (Details 1) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Notes and other explanatory information [abstract]      
Administrative and operational support expenses $ 72,516 $ 110,556 $ 49,431
Technology and communications 33,956 29,651 25,708
Other operating expenses 18,983 17,996 15,756
Passenger services 7,260 5,930 5,116
Insurance 6,533 5,731 6,574
Other operating expenses $ 139,248 $ 169,864 $ 102,585