Quarterly report pursuant to Section 13 or 15(d)

Description of Business and Summary of Significant Accounting Policies - Narrative (Details)

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Description of Business and Summary of Significant Accounting Policies - Narrative (Details)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
May 02, 2024
USD ($)
aircraft
Jun. 30, 2024
USD ($)
Jun. 30, 2023
USD ($)
Dec. 31, 2021
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2023
USD ($)
Dec. 31, 2023
USD ($)
Finite-Lived Intangible Assets [Line Items]              
Held-to-maturity securities balance   $ 115,643     $ 115,643   $ 138,264
Market value of held-to-maturity securities   115,545     115,545   138,285
Total property and equipment, gross   25,685     25,685   6,054
Depreciation and amortization   663 $ 260   1,188 $ 500  
Impairment of intangible assets       $ 0 5,759    
Air Transportation Rights              
Finite-Lived Intangible Assets [Line Items]              
Indefinite-lived intangible assets   3,676     3,676    
Aircraft, engines and related rotable parts              
Finite-Lived Intangible Assets [Line Items]              
Total property and equipment, gross   $ 17,548     $ 17,548   $ 0
Acquired Aircraft Agreement              
Finite-Lived Intangible Assets [Line Items]              
Number of aircrafts acquired | aircraft 7            
Consideration transferred, gross $ 17,621            
Consideration transferred from existing prepayments 9,269            
Cash consideration $ 5,489            
Operating Expense | Supplier Concentration Risk | Vendor one              
Finite-Lived Intangible Assets [Line Items]              
Concentration risk, percentage     12.00%   11.00% 12.00%  
Accounts Payable | Supplier Concentration Risk | Vendor one              
Finite-Lived Intangible Assets [Line Items]              
Concentration risk, percentage             17.00%
Accounts Payable | Supplier Concentration Risk | Vendor two              
Finite-Lived Intangible Assets [Line Items]              
Concentration risk, percentage             10.00%
Software development              
Finite-Lived Intangible Assets [Line Items]              
Estimated Useful Life   3 years     3 years