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Commitments and Contingencies - Narrative (Details)
$ in Thousands
6 Months Ended
Jun. 30, 2022
USD ($)
aircraft
Dec. 31, 2021
USD ($)
Long-term Purchase Commitment [Line Items]    
Number of aircraft on order with manufacturers | aircraft 430  
Purchase obligation $ 27,625,148  
Minimum aircraft delivery delays that could trigger lessee cancellation clauses 1 year  
Purchase agreements, termination commencement period 1 year  
Non-refundable deposits on aircraft $ 1,618,687 $ 1,508,892
Aircrafts    
Long-term Purchase Commitment [Line Items]    
Non-refundable deposits on aircraft $ 1,600,000 $ 1,500,000