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Finance income and cost (Details 1) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Notes and other explanatory information [abstract]      
Interest expense on lease liabilities and aircraft and engine lease return obligation (Note 14) $ 250,530 $ 191,967 $ 174,769
Interest on asset-backed trust notes 19,496 16,969 12,049
Cost of letter credit notes 6,744 5,477 4,131
Interest on debts and borrowings (1) 14,125 2,851 533
Other finance costs 1,497 1,153 584
Derivative financial instruments loss (Note 4) 896 579 161
Bank fees and others 351 347 308
Total finance costs $ 293,639 $ 219,343 $ 192,535