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Special Charge and Assets Held For Sale - Additional Information (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
USD ($)
Engine
Jun. 30, 2021
USD ($)
Jun. 30, 2022
USD ($)
Engine
Jun. 30, 2021
USD ($)
Dec. 31, 2021
USD ($)
Engine
Impairment Of Aircraft Engines Held For Sale [Line Items]          
Special charge $ 0 $ 0 $ 2,633 $ 0  
Proceeds from disposal of flight equipment     13,500 $ 1,850  
Certain Spare CF6-80 Engines [Member]          
Impairment Of Aircraft Engines Held For Sale [Line Items]          
Proceeds from disposal of flight equipment     11,700    
Net gain from sale of aircraft     $ 6,200    
Number of aircraft held for sale | Engine 2   2   6
Certain Spare CF6-80 Engines [Member] | Prepaid Expense, Assets Held for Sale and Other Current Assets [Member]          
Impairment Of Aircraft Engines Held For Sale [Line Items]          
Carrying value of asset held for sale         $ 5,500