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Summary of Significant Accounting Policies - Narrative (Details)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2024
USD ($)
shares
Feb. 27, 2024
shares
Jan. 03, 2024
shares
Dec. 31, 2023
USD ($)
security
shares
Dec. 27, 2023
shares
Jun. 30, 2024
USD ($)
shares
Mar. 31, 2024
shares
Jun. 30, 2023
USD ($)
Jun. 30, 2024
USD ($)
shares
Jun. 30, 2023
USD ($)
Dec. 31, 2023
USD ($)
security
segment
shares
Dec. 31, 2022
USD ($)
security
Nov. 10, 2023
Nov. 01, 2021
USD ($)
Product Information [Line Items]                            
Number of operating segments | segment                     1      
Net sales           $ 79,013   $ 100,338 $ 158,985 $ 177,370 $ 315,362 $ 320,042    
Cost of revenue           72,755   65,084 146,989 130,274 264,176 255,441    
Accounts receivable, allowance for credit losses $ 80     $ 80   80     80   80 82    
Notes receivable, allowance for credit losses 827     $ 2,558   827     827   2,558 0    
Realized losses on investment securities                 46 243 $ 238 $ 400    
Number of debt securities in an unrealized loss position | security       13             13 24    
Fair value of debt securities in an unrealized loss position       $ 4,263             $ 4,263 $ 7,236    
Fair value of debt securities in an unrealized loss position greater than one year       2,759             2,759 1,765    
Unrealized loss on investments                     395 98    
Impairment loss                     $ 0 0    
Change in fair value of liability, location                     Other income (expense)      
Guaranteed Revenue Program, minimum term                           28 months
Guaranteed Revenue Program, drawdown period                           10 months
Customer deposit per aircraft                           $ 1,250
Guaranteed revenue program deposits       $ 0             $ 0 37,500    
Fractional ownership, contractual term (up to)       5 years             5 years      
Gain on aircraft sold                     $ 13,905 15,333    
Period for stockholder approval of equity incentive plan                         12 months  
Capitalized sales commissions           283   211 536 543 1,315 1,053    
Contract acquisition costs, current 546     $ 514   546     546   514 290    
Contract acquisition costs, noncurrent $ 704     $ 631   704     704   631 484    
Amortization of contract costs           $ 272   $ 184 $ 547 $ 339 827 653    
Advertising expense                     $ 6,013 3,242    
Aircraft Engine                            
Product Information [Line Items]                            
Estimated Useful Life       7 years             7 years      
Maximum                            
Product Information [Line Items]                            
Customer deposits       $ 500             $ 500      
Common Class A | Common Stock                            
Product Information [Line Items]                            
Issuance of Class A common stock upon conversion of Bridge Notes (in shares) | shares   73,947 203,500   9,550,274   277,447              
Affiliates and Non-Affiliates of EGA Sponsor | Shares Issued for Bridge Notes | Common Class A | Common Stock                            
Product Information [Line Items]                            
Issuance of Class A common stock upon conversion of Bridge Notes (in shares) | shares         9,550,274                  
Employee Stock                            
Product Information [Line Items]                            
Number of shares reserved for issuance (in shares) | shares 1,500,000     1,500,000   1,500,000     1,500,000   1,500,000      
Shares purchased by employees (in shares) | shares 0     0                    
Revenue Benchmark | Customer Concentration Risk | One Customer                            
Product Information [Line Items]                            
Net sales                     $ 67,985 $ 125,360    
Concentration risk, percentage                     22.00% 39.00%    
Accounts Receivable | Customer Concentration Risk | One Customer                            
Product Information [Line Items]                            
Concentration risk, percentage                     12.00% 91.00%    
Accounts receivable, net       $ 341             $ 341 $ 8,682    
Cost of Revenue Benchmark | Supplier Concentration Risk | One Vendor                            
Product Information [Line Items]                            
Concentration risk, percentage                     23.00% 16.00%    
Cost of revenue                     $ 60,909 $ 39,656