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Parts and Supplies Inventory (Details) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Dec. 31, 2022
Inventory [Line Items]      
Parts and supplies inventory $ 6,050 $ 5,142 $ 5,872
Aircraft parts      
Inventory [Line Items]      
Parts and supplies inventory   4,824 3,350
Materials and supplies      
Inventory [Line Items]      
Parts and supplies inventory   $ 318 $ 2,522