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Subsequent Events - Additional Information (Detail) |  |  |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Oct. 14, 2022 shares | Oct. 06, 2022 shares | Aug. 01, 2022 USD ($) | May 09, 2022 shares | Sep. 30, 2022 USD ($) NUMBER $ / shares shares | Dec. 31, 2022 USD ($) | Dec. 31, 2021 $ / shares
Subsequent Event [Line Items] |  |  |  |  |  |  |
Common stock, par value | $ / shares |  |  |  |  | $ 0.001 |  | $ 0.001
Aggregate number of shares of common stock to be subscribe |  |  |  |  | 9,100,000 |  |
Common Stock [Member] |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Stock issued during period for warrants exercised, shares |  |  |  |  | 800,000 |  |
Warrant [Member] | United Warrant Agreement [Member] | Common Stock [Member] |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Stock issued during period for warrants exercised, shares | 2,722,536 | 2,722,536 |  |  |  |  |
Warrant [Member] | Lock Up Agreement [Member] | Common Stock [Member] |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Number of shares to be acquired six months after closing date of agreement with respect to first warrant |  |  |  |  | 680,634 |  |
Number of shares to be acquired nine months after closing date of agreement with respect to warrant |  |  |  |  | 1,361,268 |  |
Number of shares to be acquired twelve months after closing date of agreement with respect to second warrant |  |  |  |  | 680,634 |  |
Subsequent Event [Member] | Brazils National Development Bank [Member] |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Total financing amount | $ |  |  |  |  |  | $ 92,500,000 |
Subsequent Event [Member] | Warrant [Member] | Lock Up Agreement [Member] | Common Stock [Member] |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Number of shares to be acquired six months after closing date of agreement with respect to first warrant |  |  |  |  | 680,634 |  |
Number of shares to be acquired nine months after closing date of agreement with respect to warrant |  |  |  |  | 1,361,268 |  |
Number of shares to be acquired twelve months after closing date of agreement with respect to second warrant |  |  |  |  | 680,634 |  |
EAH [Member] | Subsequent Event [Member] |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Business acquisition equity interest issued number of shares |  |  |  | 220,000,000 |  |  |
Embraer Aircraft Holding Inc [Member] | Subsequent Event [Member] | Loan Agreement [Member] |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Debt instrument face value | $ |  |  | $ 81,000,000 |  |  |  |
Interest rate |  |  | 4.89% |  |  |  |
Debt Instrument, Maturity Date |  |  | Aug. 01, 2023 |  |  |  |
United Airlines Ventures Ltd [Member] | United Subscription Agreement [Member] | Common Stock [Member] |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Aggregate number of shares of common stock to be subscribe |  |  |  |  | 2,039,353 |  |
Aggregate purchase price of stock | $ |  |  |  |  | $ 15,000,000 |  |
United Airlines Ventures Ltd [Member] | Warrant [Member] | Conditional Purchase Agreement [Member] | Common Stock [Member] |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Exercise price of warrants | $ / shares |  |  |  |  | $ 0.01 |  |
Number of electrical vertical take-off and landing | NUMBER |  |  |  |  | 400 |  |
United Airlines Ventures Ltd [Member] | Warrant [Member] | Binding Agreement [Member] | Common Stock [Member] |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Exercise price of warrants | $ / shares |  |  |  |  | $ 0.01 |  |
Number of electrical vertical take-off and landing | NUMBER |  |  |  |  | 200 |  |
Common Stock issuable shares |  |  |  |  | 2,722,536 |  |
United Airlines Ventures Ltd [Member] | Subsequent Event [Member] | United Subscription Agreement [Member] | Common Stock [Member] |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Common stock, par value | $ / shares |  |  |  |  | $ 0.001 |  |
Aggregate number of shares of common stock to be subscribe |  |  |  |  | 2,039,353 |  |
Aggregate purchase price of stock | $ |  |  |  |  | $ 15,000,000 |  |
United Airlines Ventures Ltd [Member] | Subsequent Event [Member] | Warrant [Member] | United Warrant Agreement [Member] |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Warrants and Rights Outstanding, Term |  |  |  |  | 5 years |  |
United Airlines Ventures Ltd [Member] | Subsequent Event [Member] | Warrant [Member] | Conditional Purchase Agreement [Member] | Common Stock [Member] |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Exercise price of warrants | $ / shares |  |  |  |  | $ 0.01 |  |
Number of electrical vertical take-off and landing | NUMBER |  |  |  |  | 400 |  |
Stock issued for warrants exercisable |  |  |  |  | 2,722,536 |  |
United Airlines Ventures Ltd [Member] | Subsequent Event [Member] | Warrant [Member] | Binding Agreement [Member] | Common Stock [Member] |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Exercise price of warrants | $ / shares |  |  |  |  | $ 0.01 |  |
Number of electrical vertical take-off and landing | NUMBER |  |  |  |  | 200 |  |
Common Stock issuable shares |  |  |  |  | 2,722,536 |  |

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