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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 |  |

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